Compare commits

..
106 Commits
Author SHA1 Message Date
Michael Roth 1dfcf652e6 Update version for 3.0.1 release
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-11 22:27:39 -05:00
Ilya Maximets a4a5021413 vhost-user: Fix userfaultfd leak
'fd' received from the vhost side is never freed.
Also, everything (including 'postcopy_listen' state) should be
cleaned up on vhost cleanup.

Fixes: 46343570c0 ("vhost+postcopy: Wire up POSTCOPY_END notify")
Fixes: f82c11165f ("vhost+postcopy: Register shared ufd with postcopy")
Cc: qemu-stable@nongnu.org
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Message-Id: <20181008160536.6332-3-i.maximets@samsung.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit c4f753859a)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-08 16:50:20 -05:00
Ilya Maximets a0380bdae9 vhost-user: Don't ask for reply on postcopy mem table set
According to documentation, NEED_REPLY_MASK should not be set
for VHOST_USER_SET_MEM_TABLE request in postcopy mode.
This restriction was mistakenly applied to 'reply_supported'
variable, which is local and used only for non-postcopy case.

CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixes: 9bb3801994 ("vhost+postcopy: Send address back to qemu")
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Message-Id: <20181002140947.4107-1-i.maximets@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 5ce43896e1)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-08 16:47:37 -05:00
Prasad J Pandit 8d25276172 ppc/pnv: check size before data buffer access
While performing PowerNV memory r/w operations, the access length
'sz' could exceed the data[4] buffer size. Add check to avoid OOB
access.

Reported-by: Moguofang <moguofang@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(cherry picked from commit d07945e78e)
*CVE-2018-18954
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:17:03 -05:00
Prasad J Pandit 345fab6ffe slirp: check data length while emulating ident function
While emulating identification protocol, tcp_emu() does not check
available space in the 'sc_rcv->sb_data' buffer. It could lead to
heap buffer overflow issue. Add check to avoid it.

Reported-by: Kira <864786842@qq.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
(cherry picked from commit a7104eda7d)
*CVE-2019-6778
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:16:34 -05:00
Prasad J Pandit bd6dd4eaa6 lsi53c895a: check message length value is valid
While writing a message in 'lsi_do_msgin', message length value
in 'msg_len' could be invalid due to an invalid migration stream.
Add an assertion to avoid an out of bounds access, and reject
the incoming migration data if it contains an invalid message
length.

Discovered by Deja vu Security. Reported by Oracle.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20181026194314.18663-1-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit e58ccf0396)
*CVE-2018-18849
*avoid context dep. on c921370b22
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:15:18 -05:00
Marc-André Lureau f43a6b314a seccomp: set the seccomp filter to all threads
When using "-seccomp on", the seccomp policy is only applied to the
main thread, the vcpu worker thread and other worker threads created
after seccomp policy is applied; the seccomp policy is not applied to
e.g. the RCU thread because it is created before the seccomp policy is
applied and SECCOMP_FILTER_FLAG_TSYNC isn't used.

This can be verified with
for task in /proc/`pidof qemu`/task/*; do cat $task/status | grep Secc ; done
Seccomp:	2
Seccomp:	0
Seccomp:	0
Seccomp:	2
Seccomp:	2
Seccomp:	2

Starting with libseccomp 2.2.0 and kernel >= 3.17, we can use
seccomp_attr_set(ctx, > SCMP_FLTATR_CTL_TSYNC, 1) to update the policy
on all threads.

libseccomp requirement was bumped to 2.2.0 in previous patch.
libseccomp should fail to set the filter if it can't honour
SCMP_FLTATR_CTL_TSYNC (untested), and thus -sandbox will now fail on
kernel < 3.17.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Eduardo Otubo <otubo@redhat.com>
(cherry picked from commit 70dfabeaa7)
*CVE-2018-15746
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:11:49 -05:00
Marc-André Lureau 9d01327689 configure: require libseccomp 2.2.0
The following patch is going to require TSYNC, which is only available
since libseccomp 2.2.0.

libseccomp 2.2.0 was released February 12, 2015.

According to repology, libseccomp version in different distros:

  RHEL-7: 2.3.1
  Debian (Stretch): 2.3.1
  OpenSUSE Leap 15: 2.3.2
  Ubuntu (Xenial):  2.3.1

This will drop support for -sandbox on:

  Debian (Jessie): 2.1.1 (but 2.2.3 in backports)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Eduardo Otubo <otubo@redhat.com>
(cherry picked from commit d0699bd37c)
*CVE-2018-15746
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:11:31 -05:00
Marc-André Lureau 9ad3314fa3 seccomp: prefer SCMP_ACT_KILL_PROCESS if available
The upcoming libseccomp release should have SCMP_ACT_KILL_PROCESS
action (https://github.com/seccomp/libseccomp/issues/96).

SCMP_ACT_KILL_PROCESS is preferable to immediately terminate the
offending process, rather than having the SIGSYS handler running.

Use SECCOMP_GET_ACTION_AVAIL to check availability of kernel support,
as libseccomp will fallback on SCMP_ACT_KILL otherwise, and we still
prefer SCMP_ACT_TRAP.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Eduardo Otubo <otubo@redhat.com>
(cherry picked from commit bda08a5764)
*CVE-2018-15746
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:11:03 -05:00
Marc-André Lureau 8eba63e1d2 seccomp: use SIGSYS signal instead of killing the thread
The seccomp action SCMP_ACT_KILL results in immediate termination of
the thread that made the bad system call. However, qemu being
multi-threaded, it keeps running. There is no easy way for parent
process / management layer (libvirt) to know about that situation.

Instead, the default SIGSYS handler when invoked with SCMP_ACT_TRAP
will terminate the program and core dump.

This may not be the most secure solution, but probably better than
just killing the offending thread. SCMP_ACT_KILL_PROCESS has been
added in Linux 4.14 to improve the situation, which I propose to use
by default if available in the next patch.

Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1594456

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Eduardo Otubo <otubo@redhat.com>
(cherry picked from commit 6f2231e9b0)
*CVE-2018-15746
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-02 13:10:37 -05:00
Gerd Hoffmann 7347a04da3 usb-mtp: use O_NOFOLLOW and O_CLOEXEC.
Open files and directories with O_NOFOLLOW to avoid symlinks attacks.
While being at it also add O_CLOEXEC.

usb-mtp only handles regular files and directories and ignores
everything else, so users should not see a difference.

Because qemu ignores symlinks, carrying out a successful symlink attack
requires swapping an existing file or directory below rootdir for a
symlink and winning the race against the inotify notification to qemu.

Fixes: CVE-2018-16872
Cc: Prasad J Pandit <ppandit@redhat.com>
Cc: Bandan Das <bsd@redhat.com>
Reported-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael Hanselmann <public@hansmi.ch>
Message-id: 20181213122511.13853-1-kraxel@redhat.com
(cherry picked from commit bab9df35ce)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Gerd Hoffmann 61f87388af usb-mtp: outlaw slashes in filenames
Slash is unix directory separator, so they are not allowed in filenames.
Note this also stops the classic escape via "../".

Fixes: CVE-2018-16867
Reported-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181203101045.27976-3-kraxel@redhat.com
(cherry picked from commit c52d46e041)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Greg Kurz d086829e5b 9p: fix QEMU crash when renaming files
When using the 9P2000.u version of the protocol, the following shell
command line in the guest can cause QEMU to crash:

    while true; do rm -rf aa; mkdir -p a/b & touch a/b/c & mv a aa; done

With 9P2000.u, file renaming is handled by the WSTAT command. The
v9fs_wstat() function calls v9fs_complete_rename(), which calls
v9fs_fix_path() for every fid whose path is affected by the change.
The involved calls to v9fs_path_copy() may race with any other access
to the fid path performed by some worker thread, causing a crash like
shown below:

Thread 12 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
0x0000555555a25da2 in local_open_nofollow (fs_ctx=0x555557d958b8, path=0x0,
 flags=65536, mode=0) at hw/9pfs/9p-local.c:59
59          while (*path && fd != -1) {
(gdb) bt
#0  0x0000555555a25da2 in local_open_nofollow (fs_ctx=0x555557d958b8,
 path=0x0, flags=65536, mode=0) at hw/9pfs/9p-local.c:59
#1  0x0000555555a25e0c in local_opendir_nofollow (fs_ctx=0x555557d958b8,
 path=0x0) at hw/9pfs/9p-local.c:92
#2  0x0000555555a261b8 in local_lstat (fs_ctx=0x555557d958b8,
 fs_path=0x555556b56858, stbuf=0x7fff84830ef0) at hw/9pfs/9p-local.c:185
#3  0x0000555555a2b367 in v9fs_co_lstat (pdu=0x555557d97498,
 path=0x555556b56858, stbuf=0x7fff84830ef0) at hw/9pfs/cofile.c:53
#4  0x0000555555a1e9e2 in v9fs_stat (opaque=0x555557d97498)
 at hw/9pfs/9p.c:1083
#5  0x0000555555e060a2 in coroutine_trampoline (i0=-669165424, i1=32767)
 at util/coroutine-ucontext.c:116
#6  0x00007fffef4f5600 in __start_context () at /lib64/libc.so.6
#7  0x0000000000000000 in  ()
(gdb)

The fix is to take the path write lock when calling v9fs_complete_rename(),
like in v9fs_rename().

Impact:  DoS triggered by unprivileged guest users.

Fixes: CVE-2018-19489
Cc: P J P <ppandit@redhat.com>
Reported-by: zhibin hu <noirfate@gmail.com>
Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
(cherry picked from commit 1d20398694)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Paolo Bonzini e49f868dc0 nvme: fix out-of-bounds access to the CMB
Because the CMB BAR has a min_access_size of 2, if you read the last
byte it will try to memcpy *2* bytes from n->cmbuf, causing an off-by-one
error.  This is CVE-2018-16847.

Another way to fix this might be to register the CMB as a RAM memory
region, which would also be more efficient.  However, that might be a
change for big-endian machines; I didn't think this through and I don't
know how real hardware works.  Add a basic testcase for the CMB in case
somebody does this change later on.

Cc: Keith Busch <keith.busch@intel.com>
Cc: qemu-block@nongnu.org
Reported-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Tested-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 87ad860c62)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Daniel Henrique Barboza 2c4f6cabf5 qga: update docs with systemd suspend support info
Commit 067927d62e ("qga: systemd hibernate/suspend/hybrid-sleep
support") failed to update qapi-schema.json after adding systemd
hibernate/suspend/hybrid-sleep capabilities to guest-suspend-* QGA
commands.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
(cherry picked from commit bb6c8d407e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Eric Blake 5d64550dc5 bitmap: Update count after a merge
We need an accurate count of the number of bits set in a bitmap
after a merge. In particular, since the merge operation short-circuits
a merge from an empty source, if you have bitmaps A, B, and C where
B started empty, then merge C into B, and B into A, an inaccurate
count meant that A did not get the contents of C.

In the worst case, we may falsely regard the bitmap as empty when
it has had new writes merged into it.

Fixes: be58721db
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20181002233314.30159-1-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
(cherry picked from commit d1dde7149e)
*drop functional dep. on fa000f2f
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Liam Merwick 7b8e8ff009 tpm_tis: fix loop that cancels any seizure by a lower locality
In tpm_tis_mmio_write() if the requesting locality is seizing
access, any seizure by a lower locality is cancelled.  However the
loop doing the seizure had an off-by-one error and the locality
immediately preceding the requesting locality was not being cleared.
This is fixed by adjusting the test in the for loop to check the
localities up to the requesting locality.

Signed-off-by: Liam Merwick <Liam.Merwick@oracle.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
(cherry picked from commit 37b55d67c0)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
William Bowling 690bb48e40 slirp: check sscanf result when emulating ident
When emulating ident in tcp_emu, if the strchr checks passed but the
sscanf check failed, two uninitialized variables would be copied and
sent in the reply, so move this code inside the if(sscanf()) clause.

Signed-off-by: William Bowling <will@wbowling.info>
Cc: qemu-stable@nongnu.org
Cc: secalert@redhat.com
Message-Id: <1551476756-25749-1-git-send-email-will@wbowling.info>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
(cherry picked from commit d3222975c7)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Marcel Apfelbaum f3200c4c20 hw/rdma: another clang compilation fix
Configuring QEMU with:
   configure --target-list="x86_64-softmmu" --cc=clang --enable-pvrdma
Results in:
   qemu/hw/rdma/rdma_rm_defs.h:108:3: error: redefinition of typedef 'RdmaDeviceResources' is a C11 feature [-Werror,-Wtypedef-redefinition]
   } RdmaDeviceResources;
     ^
   qemu/hw/rdma/rdma_backend_defs.h:24:36: note: previous definition is here
   typedef struct RdmaDeviceResources RdmaDeviceResources;

Fix by removing one of the 'typedef' definitions.

Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20190214154053.15050-1-marcel.apfelbaum@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
(cherry picked from commit 59f911938f)
*drop context dep. on c2dd117b38
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Stefan Berger 2251d74275 acpi: Make TPM 2.0 with TIS available as MSFT0101
This is a backport of rev 24cf5413aa to 3.0.x and 3.1.x.

This patch makes the a TPM 2.0 with TIS interface available under the
HID 'MSF0101'. This is supported by Linux and also Windows now
recognizes the TPM 2.0 with TIS interface. Leave the TPM 1.2 as before.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Kevin Wolf 9f9a3548d3 block: Fix invalidate_cache error path for parent activation
bdrv_co_invalidate_cache() clears the BDRV_O_INACTIVE flag before
actually activating a node so that the correct permissions etc. are
taken. In case of errors, the flag must be restored so that the next
call to bdrv_co_invalidate_cache() retries activation.

Restoring the flag was missing in the error path for a failed
parent->role->activate() call. The consequence is that this attempt to
activate all images correctly fails because we still set errp, however
on the next attempt BDRV_O_INACTIVE is already clear, so we return
success without actually retrying the failed action.

An example where this is observable in practice is migration to a QEMU
instance that has a raw format block node attached to a guest device
with share-rw=off (the default) while another process holds
BLK_PERM_WRITE for the same image. In this case, all activation steps
before parent->role->activate() succeed because raw can tolerate other
writers to the image. Only the parent callback (in particular
blk_root_activate()) tries to implement the share-rw=on property and
requests exclusive write permissions. This fails when the migration
completes and correctly displays an error. However, a manual 'cont' will
incorrectly resume the VM without calling blk_root_activate() again.

This case is described in more detail in the following bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=1531888

Fix this by correctly restoring the BDRV_O_INACTIVE flag in the error
path.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit 78fc3b3a26)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Stefan Berger 4afb0370b9 tpm: Make sure the locality received from backend is valid
Make sure that the locality passed from the backend to
tpm_tis_request_completed() is valid.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
(cherry picked from commit a639f96111)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Stefan Berger 66160b7aeb tpm: Make sure new locality passed to tpm_tis_prep_abort() is valid
Make sure that the new locality passed to tpm_tis_prep_abort()
is valid.

Add a comment to aborting_locty that it may be any locality, including
TPM_TIS_NO_LOCALITY.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
(cherry picked from commit e92b63ea61)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Prasad J Pandit 3fd92155fd tpm: use loop iterator to set sts data field
When TIS request is done, set 'sts' data field across all localities.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
(cherry picked from commit 6a50bb98f2)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Stefan Berger 69ec5ee5ac tpm: Zero-init structure to avoid uninitialized variables in valgrind log
Zero-init the ptm_loc structure so that we don't have fields that
are not initialised.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
(cherry picked from commit eff1fe9fd0)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Peter Maydell 16d1300e1a exec.c: Don't reallocate IOMMUNotifiers that are in use
The tcg_register_iommu_notifier() code has a GArray of
TCGIOMMUNotifier structs which it has registered by passing
memory_region_register_iommu_notifier() a pointer to the embedded
IOMMUNotifier field. Unfortunately, if we need to enlarge the
array via g_array_set_size() this can cause a realloc(), which
invalidates the pointer that memory_region_register_iommu_notifier()
put into the MemoryRegion's iommu_notify list. This can result
in segfaults.

Switch the GArray to holding pointers to the TCGIOMMUNotifier
structs, so that we can individually allocate and free them.

Cc: qemu-stable@nongnu.org
Fixes: 1f871c5e6b ("exec.c: Handle IOMMUs in address_space_translate_for_iotlb()")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190128174241.5860-1-peter.maydell@linaro.org
(cherry picked from commit 5601be3b01)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Janosch Frank 1c9b86daec s390x: Return specification exception for unimplemented diag 308 subcodes
The architecture specifies specification exceptions for all
unavailable subcodes.

The presence of subcodes is indicated by checking some query subcode.
For example 6 will indicate that 3-6 are available. So future systems
might call new subcodes to check for new features. This should not
trigger a hw error, instead we return the architectured specification
exception.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Cc: qemu-stable@nongnu.org
Message-Id: <20190111113657.66195-3-frankja@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit 37dbd1f4d4)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Peter Maydell 422bf25df1 linux-user: make pwrite64/pread64(fd, NULL, 0, offset) return 0
Linux returns success if pwrite64() or pread64() are called with a
zero length NULL buffer, but QEMU was returning -TARGET_EFAULT.

This is the same bug that we fixed in commit 58cfa6c2e6
for the write syscall, and long before that in 38d840e679
for the read syscall.

Fixes: https://bugs.launchpad.net/qemu/+bug/1810433

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190108184900.9654-1-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
(cherry picked from commit 2bd3f8998e)
*drop functional dep. on 2852aafd9d
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Tony Garnock-Jones 89d2237683 linux-user: write(fd, NULL, 0) parity with linux's treatment of same
Bring linux-user write(2) handling into line with linux for the case
of a 0-byte write with a NULL buffer. Based on a patch originally
written by Zhuowei Zhang.

Addresses https://bugs.launchpad.net/qemu/+bug/1716292.

>From Zhuowei Zhang's patch (https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg08073.html):

    Linux returns success for the special case of calling write with a
    zero-length NULL buffer: compiling and running

    int main() {
       ssize_t ret = write(STDOUT_FILENO, NULL, 0);
       fprintf(stderr, "write returned %ld\n", ret);
       return 0;
    }

    gives "write returned 0" when run directly, but "write returned
    -1" in QEMU.

    This commit checks for this situation and returns success if
    found.

Subsequent discussion raised the following questions (and my answers):

 - Q. Should TARGET_NR_read pass through to safe_read in this
      situation too?
   A. I'm wary of changing unrelated code to the specific problem I'm
      addressing. TARGET_NR_read is already consistent with Linux for
      this case.

 - Q. Do pread64/pwrite64 need to be changed similarly?
   A. Experiment suggests not: both linux and linux-user yield -1 for
      NULL 0-length reads/writes.

Signed-off-by: Tony Garnock-Jones <tonygarnockjones@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180908182205.GB409@mornington.dcs.gla.ac.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
(cherry picked from commit 58cfa6c2e6)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Thomas Huth 1f79226d22 hw/s390x: Fix bad mask in time2tod()
Since "s390x/tcg: avoid overflows in time2tod/tod2time", the
time2tod() function tries to deal with the 9 uppermost bits in the
time value, but uses the wrong mask for this: 0xff80000000000000 should
be used instead of 0xff10000000000000 here.

Fixes: 14055ce53c
Cc: qemu-stable@nongnu.org
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1544792887-14575-1-git-send-email-thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
[CH: tweaked commit message]
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit aba7a5a2de)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Corey Minyard 02db60391f pc:piix4: Update smbus I/O space after a migration
Otherwise it won't be set up correctly and won't work after
miigration.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 2b4e573c7c)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Zheng Xiang 9d61beac23 pcie: set link state inactive/active after hot unplug/plug
When VM boots from the latest version of linux kernel, after
hot-unpluging virtio-blk disks which are hotplugged into
pcie-root-port, the VM's dmesg log shows:

[  151.046242] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0001 from Slot Status
[  151.046365] pciehp 0000:00:05.0:pcie004: Slot(0-3): Attention button pressed
[  151.046369] pciehp 0000:00:05.0:pcie004: Slot(0-3): Powering off due to button press
[  151.046420] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  151.046425] pciehp 0000:00:05.0:pcie004: pciehp_green_led_blink: SLOTCTRL a8 write cmd 200
[  151.046464] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  151.046468] pciehp 0000:00:05.0:pcie004: pciehp_set_attention_status: SLOTCTRL a8 write cmd c0
[  156.163421] pciehp 0000:00:05.0:pcie004: pciehp_get_power_status: SLOTCTRL a8 value read 2f1
[  156.163427] pciehp 0000:00:05.0:pcie004: pciehp_unconfigure_device: domain:bus:dev = 0000:06:00
[  156.198736] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  156.198772] pciehp 0000:00:05.0:pcie004: pciehp_power_off_slot: SLOTCTRL a8 write cmd 400
[  157.224124] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0018 from Slot Status
[  157.224194] pciehp 0000:00:05.0:pcie004: pciehp_green_led_off: SLOTCTRL a8 write cmd 300
[  157.224220] pciehp 0000:00:05.0:pcie004: pciehp_check_link_active: lnk_status = 2011
[  157.224223] pciehp 0000:00:05.0:pcie004: Slot(0-3): Link Up
[  157.224233] pciehp 0000:00:05.0:pcie004: pciehp_get_power_status: SLOTCTRL a8 value read 7f1
[  157.224281] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  157.224285] pciehp 0000:00:05.0:pcie004: pciehp_power_on_slot: SLOTCTRL a8 write cmd 0
[  157.224300] pciehp 0000:00:05.0:pcie004: __pciehp_link_set: lnk_ctrl = 0
[  157.224336] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  157.224339] pciehp 0000:00:05.0:pcie004: pciehp_green_led_blink: SLOTCTRL a8 write cmd 200
[  159.739294] pci 0000:06:00.0 id reading try 50 times with interval 20 ms to get ffffffff
[  159.739315] pciehp 0000:00:05.0:pcie004: pciehp_check_link_status: lnk_status = 2011
[  159.739318] pciehp 0000:00:05.0:pcie004: Failed to check link status
[  159.739371] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  159.739394] pciehp 0000:00:05.0:pcie004: pciehp_power_off_slot: SLOTCTRL a8 write cmd 400
[  160.771426] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  160.771452] pciehp 0000:00:05.0:pcie004: pciehp_green_led_off: SLOTCTRL a8 write cmd 300
[  160.771495] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  160.771499] pciehp 0000:00:05.0:pcie004: pciehp_set_attention_status: SLOTCTRL a8 write cmd 40
[  160.771535] pciehp 0000:00:05.0:pcie004: pending interrupts 0x0010 from Slot Status
[  160.771539] pciehp 0000:00:05.0:pcie004: pciehp_green_led_off: SLOTCTRL a8 write cmd 300

After analyzing the log information, it seems that qemu doesn't
change the Link Status from active to inactive after hot-unplug.
This results in the abnormal log after the linux kernel commit
d331710ea78fea merged.

Furthermore, If I hotplug the same virtio-blk disk after hot-unplug,
the virtio-blk would turn on and then back off.

So this patch set the Link Status inactive after hot-unplug and
active after hot-plug.

Signed-off-by: Zheng Xiang <zhengxiang9@huawei.com>
Signed-off-by: Zheng Xiang <xiang.zheng@linaro.org>
Cc: Wang Haibin <wanghaibin.wang@huawei.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 2f2b18f60b)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Paul A. Clarke 2ce4635d9b Changes requirement for "vsubsbs" instruction
Changes requirement for "vsubsbs" instruction, which has been supported
since ISA 2.03. (Please see section 5.9.1.2 of ISA 2.03)

Reported-by: Paul A. Clarke <pc@us.ibm.com>
Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
Signed-off-by: Leonardo Bras <leonardo@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(cherry picked from commit fcfbc18d00)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Christian Borntraeger fc50e1fa79 iotests: make 235 work on s390 (and others)
"-machine pc" will not work all architectures. Lets fall back to the
default machine by not specifying it.

In addition we also need to specify -no-shutdown on s390 as qemu will
exit otherwise.

Cc: qemu-stable@nongnu.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 2c26e648e4)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Vladimir Sementsov-Ogievskiy e47e19ed21 iotests: simple mirror test with kvm on 1G image
This test is broken without previous commit fixing dead-lock in mirror.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Acked-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit db5e8210ad)
*drop context deps from test groups not in 3.0
*modify expected QMP output to match encoding for 3.0
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Vladimir Sementsov-Ogievskiy d02d6dd710 mirror: fix dead-lock
Let start from the beginning:

Commit b9e413dd37 (in 2.9)
"block: explicitly acquire aiocontext in aio callbacks that need it"
added pairs of aio_context_acquire/release to mirror_write_complete and
mirror_read_complete, when they were aio callbacks for blk_aio_* calls.

Then, commit 2e1990b26e (in 3.0) "block/mirror: Convert to coroutines"
dropped these blk_aio_* calls, than mirror_write_complete and
mirror_read_complete are not callbacks more, and don't need additional
aiocontext acquiring. Furthermore, mirror_read_complete calls
blk_co_pwritev inside these pair of aio_context_acquire/release, which
leads to the following dead-lock with mirror:

 (gdb) info thr
   Id   Target Id         Frame
   3    Thread (LWP 145412) "qemu-system-x86" syscall ()
   2    Thread (LWP 145416) "qemu-system-x86" __lll_lock_wait ()
 * 1    Thread (LWP 145411) "qemu-system-x86" __lll_lock_wait ()

 (gdb) bt
 #0  __lll_lock_wait ()
 #1  _L_lock_812 ()
 #2  __GI___pthread_mutex_lock
 #3  qemu_mutex_lock_impl (mutex=0x561032dce420 <qemu_global_mutex>,
     file=0x5610327d8654 "util/main-loop.c", line=236) at
     util/qemu-thread-posix.c:66
 #4  qemu_mutex_lock_iothread_impl
 #5  os_host_main_loop_wait (timeout=480116000) at util/main-loop.c:236
 #6  main_loop_wait (nonblocking=0) at util/main-loop.c:497
 #7  main_loop () at vl.c:1892
 #8  main

Printing contents of qemu_global_mutex, I see that "__owner = 145416",
so, thr1 is main loop, and now it wants BQL, which is owned by thr2.

 (gdb) thr 2
 (gdb) bt
 #0  __lll_lock_wait ()
 #1  _L_lock_870 ()
 #2  __GI___pthread_mutex_lock
 #3  qemu_mutex_lock_impl (mutex=0x561034d25dc0, ...
 #4  aio_context_acquire (ctx=0x561034d25d60)
 #5  dma_blk_cb
 #6  dma_blk_io
 #7  dma_blk_read
 #8  ide_dma_cb
 #9  bmdma_cmd_writeb
 #10 bmdma_write
 #11 memory_region_write_accessor
 #12 access_with_adjusted_size
 #15 flatview_write
 #16 address_space_write
 #17 address_space_rw
 #18 kvm_handle_io
 #19 kvm_cpu_exec
 #20 qemu_kvm_cpu_thread_fn
 #21 qemu_thread_start
 #22 start_thread
 #23 clone ()

Printing mutex in fr 2, I see "__owner = 145411", so thr2 wants aio
context mutex, which is owned by thr1. Classic dead-lock.

Then, let's check that aio context is hold by mirror coroutine: just
print coroutine stack of first tracked request in mirror job target:

 (gdb) [...]
 (gdb) qemu coroutine 0x561035dd0860
 #0  qemu_coroutine_switch
 #1  qemu_coroutine_yield
 #2  qemu_co_mutex_lock_slowpath
 #3  qemu_co_mutex_lock
 #4  qcow2_co_pwritev
 #5  bdrv_driver_pwritev
 #6  bdrv_aligned_pwritev
 #7  bdrv_co_pwritev
 #8  blk_co_pwritev
 #9  mirror_read_complete () at block/mirror.c:232
 #10 mirror_co_read () at block/mirror.c:370
 #11 coroutine_trampoline
 #12 __start_context

Yes it is mirror_read_complete calling blk_co_pwritev after acquiring
aio context.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit d12ade5732)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Eric Blake 32e0caf8ff nbd/client: Send NBD_CMD_DISC if open fails after connect
If nbd_client_init() fails after we are already connected,
then the server will spam logs with:

Disconnect client, due to: Unexpected end-of-file before all bytes were read

unless we gracefully disconnect before closing the connection.

Ways to trigger this:

$ opts=driver=nbd,export=foo,server.type=inet,server.host=localhost,server.port=10809
$  qemu-img map --output=json --image-opts $opts,read-only=off
$  qemu-img map --output=json --image-opts $opts,x-dirty-bitmap=nosuch:

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181130023232.3079982-4-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
(cherry picked from commit c688e6ca7b)
*drop functional dep. on 6c2e581d4d
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Eric Blake 38490efee0 nbd/client: Make x-dirty-bitmap more reliable
The implementation of x-dirty-bitmap in qemu 3.0 (commit 216ee365)
silently falls back to treating the server as not supporting
NBD_CMD_BLOCK_STATUS if a requested meta_context name was not
negotiated, which in turn means treating the _entire_ image as
data. Since our hack relied on using 'qemu-img map' to view
which portions of the image were dirty by seeing what the
redirected bdrv_block_status() treats as holes, this means
that our fallback treats the entire image as clean.  Better
would have been to treat the entire image as dirty, or to fail
to connect because the user's request for a specific context
could not be honored. This patch goes with the latter.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181130023232.3079982-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
(cherry picked from commit 47829c4079)
*avoid context dep. on 6c2e581d
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Eric Blake e13f56a154 nbd/server: Advertise all contexts in response to bare LIST
The NBD spec, and even our code comment, says that if the client
asks for NBD_OPT_LIST_META_CONTEXT with 0 queries, then we should
reply with (a possibly-compressed representation of) ALL contexts
that we are willing to let them try.  But commit 3d068aff forgot
to advertise qemu:dirty-bitmap:FOO.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20181130023232.3079982-2-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
(cherry picked from commit e31d802479)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Corey Minyard a69e9049d6 i2c: Add a length check to the SMBus write handling
Avoid an overflow.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Cc: QEMU Stable <qemu-stable@nongnu.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 629457a130)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
BALATON Zoltan 22acdb9937 i2c: Move typedef of bitbang_i2c_interface to i2c.h
Clang 3.4 considers duplicate typedef in ppc4xx_i2c.h and
bitbang_i2c.h an error even if they are identical. Move it to a common
place to allow building with this clang version.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit 2b4c1125ac)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Markus Armbruster 93ef995b2c vfio-helpers: Fix qemu_vfio_open_pci() crash
qemu_vfio_open_common() initializes s->lock only after passing s to
qemu_vfio_dma_map() via qemu_vfio_init_ramblock().
qemu_vfio_dma_map() tries to lock the uninitialized lock and crashes.

Fix by initializing s->lock first.

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1645840
Fixes: 418026ca43
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20181127084143.1113-1-armbru@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 549b50a31d)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Gerd Hoffmann e31de8e7bb fmops: fix off-by-one in AR_TABLE and DR_TABLE array size
Cc: P J P <ppandit@redhat.com>
Reported-by: Wangjunqing <wangjunqing@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20181030082340.17170-1-kraxel@redhat.com
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 57ac4a7a28)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Max Reitz c192d40267 qemu-img: Fix leak
create_opts was leaked here.  This is not too bad since the process is
about to exit anyway, but relying on that does not make the code nicer
to read.

Fixes: d402b6a21a
Reported-by: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 3ecd5a4f19)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Max Reitz a36defa3c8 qemu-img: Fix typo
Fixes: d402b6a21a
Reported-by: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit f0998879e0)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Mark Cave-Ayland 81e38ad8d0 fdc: fix segfault in fdctrl_stop_transfer() when DMA is disabled
Commit c8a35f1cf0 "fdc: use IsaDma interface instead of global DMA_*
functions" accidentally introduced a segfault in fdctrl_stop_transfer() for
non-DMA transfers.

If fdctrl->dma_chann has not been configured then the fdctrl->dma interface
reference isn't initialised during isabus_fdc_realize(). Unfortunately
fdctrl_stop_transfer() unconditionally references the DMA interface when
finishing the transfer causing a NULL pointer dereference.

Fix the issue by adding a check in fdctrl_stop_transfer() so that the DMA
interface reference and release method is only invoked if fdctrl->dma_chann
has been set.

(This issue was discovered by Martin testing a recent change in the NetBSD
installer under qemu-system-sparc)

Cc: qemu-stable@nongnu.org
Reported-by: Martin Husemann <martin@duskware.de>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 441f6692ec)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Jason Wang b528bb2840 net: drop too large packet early
We try to detect and drop too large packet (>INT_MAX) in 1592a99470
("net: ignore packet size greater than INT_MAX") during packet
delivering. Unfortunately, this is not sufficient as we may hit
another integer overflow when trying to queue such large packet in
qemu_net_queue_append_iov():

- size of the allocation may overflow on 32bit
- packet->size is integer which may overflow even on 64bit

Fixing this by moving the check to qemu_sendv_packet_async() which is
the entrance of all networking codes and reduce the limit to
NET_BUFSIZE to be more conservative. This works since:

- For the callers that call qemu_sendv_packet_async() directly, they
  only care about if zero is returned to determine whether to prevent
  the source from producing more packets. A callback will be triggered
  if peer can accept more then source could be enabled. This is
  usually used by high speed networking implementation like virtio-net
  or netmap.
- For the callers that call qemu_sendv_packet() that calls
  qemu_sendv_packet_async() indirectly, they often ignore the return
  value. In this case qemu will just the drop packets if peer can't
  receive.

Qemu will copy the packet if it was queued. So it was safe for both
kinds of the callers to assume the packet was sent.

Since we move the check from qemu_deliver_packet_iov() to
qemu_sendv_packet_async(), it would be safer to make
qemu_deliver_packet_iov() static to prevent any external user in the
future.

This is a revised patch of CVE-2018-17963.

Cc: qemu-stable@nongnu.org
Cc: Li Qiang <liq3ea@163.com>
Fixes: 1592a99470 ("net: ignore packet size greater than INT_MAX")
Reported-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20181204035347.6148-2-jasowang@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 25c01bd19d)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
Michael Roth 53a69e7ee4 make-release: add skiboot .version file
This is needed to build skiboot from tarball-distributed sources
since the git data the make_release.sh script relies on to generate
it is not available.

Cc: qemu-stable@nongnu.org
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20181109161352.29873-1-mdroth@linux.vnet.ibm.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 3fccd3f26e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-04-01 20:36:21 -05:00
yuchenlin ca1b4263d9 vhost-scsi: prevent using uninitialized vqs
There are 3 virtqueues (ctrl, event and cmd) for virtio scsi device,
but seabios will only set the physical address for the 3rd one (cmd).
Then in vhost_virtqueue_start(), virtio_queue_get_desc_addr()
will be 0 for ctrl and event vq.

In this case, ctrl and event vq are not initialized.
vhost_verify_ring_mappings may use uninitialized vhost_virtqueue
such that vhost_verify_ring_part_mapping returns ENOMEM.

When encountered this problem, we got the following logs:

    qemu-system-x86_64: Unable to map available ring for ring 0
    qemu-system-x86_64: Verify ring failure on region 0

Signed-off-by: Forrest Liu <forrestl@synology.com>
Signed-off-by: yuchenlin <yuchenlin@synology.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit e6cc11d64f)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:31:28 -05:00
Ilya Maximets ef862b9e8e migration: Stop postcopy fault thread before notifying
POSTCOPY_NOTIFY_INBOUND_END handlers will remove userfault fds
from the postcopy_remote_fds array which could be still in
use by the fault thread. Let's stop the thread before
notification to avoid possible accessing wrong memory.

Fixes: 46343570c0 ("vhost+postcopy: Wire up POSTCOPY_END notify")
Cc: qemu-stable@nongnu.org
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Message-Id: <20181008160536.6332-2-i.maximets@samsung.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 55d0fe8254)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:31:28 -05:00
Denis V. Lunev bbe21c6d30 nbd: fix NBD_FLAG_SEND_CACHE value
Commit bc37b06a5 added NBD_CMD_CACHE support, but used the wrong value
for NBD_FLAG_SEND_CACHE flag for negotiation. That commit picked bit 8,
which had already been assigned by the NBD specification to mean
NBD_FLAG_CAN_MULTI_CONN, and which was already implemented in the
Linux kernel as a part of stable userspace-kernel API since 4.10:

"bit 8, NBD_FLAG_CAN_MULTI_CONN: Indicates that the server operates
entirely without cache, or that the cache it uses is shared among all
connections to the given device. In particular, if this flag is
present, then the effects of NBD_CMD_FLUSH and NBD_CMD_FLAG_FUA
MUST be visible across all connections when the server sends its reply
to that command to the client. In the absense of this flag, clients
SHOULD NOT multiplex their commands over more than one connection to
the export.
...
bit 10, NBD_FLAG_SEND_CACHE: documents that the server understands
NBD_CMD_CACHE; however, note that server implementations exist
which support the command without advertising this bit, and
conversely that this bit does not guarantee that the command will
succeed or have an impact."

Consequences:
- a client trying to use NBD_CMD_CACHE per the NBD spec will not
see the feature as available from a qemu 3.0 server (not fatal,
clients already have to be prepared for caching to not exist)
- a client accidentally coded to the qemu 3.0 bit value instead
of following the spec may interpret NBD_CMD_CACHE as being available
when it is not (probably not fatal, the spec says the server should
gracefully fail unknown commands, and that clients of NBD_CMD_CACHE
should be prepared for failure even when the feature is advertised);
such clients are unlikely (perhaps only in unreleased Virtuozzo code),
and will disappear over time
- a client prepared to use multiple connections based on
NBD_FLAG_CAN_MULTI_CONN may cause data corruption when it assumes
that caching is consistent when in reality qemu 3.0 did not have
a consistent cache. Partially mitigated by using read-only
connections (where nothing needs to be flushed, so caching is
indeed consistent) or when using qemu-nbd with the default -e 1
(at most one client at a time); visible only when using -e 2 or
more for a writable export.

Thus the commit fixes negotiation flag in QEMU according to the
specification.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
CC: Valery Vdovin <valery.vdovin@acronis.com>
CC: Eric Blake <eblake@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: qemu-stable@nongnu.org
Message-Id: <20181004100313.4253-1-den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: enhance commit message, add defines for unimplemented flags]
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit df91328ada)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:31:28 -05:00
Peter Xu b7fce72779 intel_iommu: better handling of dmar state switch
QEMU is not handling the global DMAR switch well, especially when from
"on" to "off".

Let's first take the example of system reset.

Assuming that a guest has IOMMU enabled.  When it reboots, we will drop
all the existing DMAR mappings to handle the system reset, however we'll
still keep the existing memory layouts which has the IOMMU memory region
enabled.  So after the reboot and before the kernel reloads again, there
will be no mapping at all for the host device.  That's problematic since
any software (for example, SeaBIOS) that runs earlier than the kernel
after the reboot will assume the IOMMU is disabled, so any DMA from the
software will fail.

For example, a guest that boots on an assigned NVMe device might fail to
find the boot device after a system reboot/reset and we'll be able to
observe SeaBIOS errors if we capture the debugging log:

  WARNING - Timeout at nvme_wait:144!

Meanwhile, we should see DMAR errors on the host of that NVMe device.
It's the DMA fault that caused a NVMe driver timeout.

The correct fix should be that we do proper switching of device DMA
address spaces when system resets, which will setup correct memory
regions and notify the backend of the devices.  This might not affect
much on non-assigned devices since QEMU VT-d emulation will assume a
default passthrough mapping if DMAR is not enabled in the GCMD
register (please refer to vtd_iommu_translate).  However that's required
for an assigned devices, since that'll rebuild the correct GPA to HPA
mapping that is needed for any DMA operation during guest bootstrap.

Besides the system reset, we have some other places that might change
the global DMAR status and we'd better do the same thing there.  For
example, when we change the state of GCMD register, or the DMAR root
pointer.  Do the same refresh for all these places.  For these two
places we'll also need to explicitly invalidate the context entry cache
and iotlb cache.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1625173
CC: QEMU Stable <qemu-stable@nongnu.org>
Reported-by: Cong Li <coli@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
--
v2:
- do the same for GCMD write, or root pointer update [Alex]
- test is carried out by me this time, by observing the
  vtd_switch_address_space tracepoint after system reboot
v3:
- rewrite commit message as suggested by Alex
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 2cc9ddcceb)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:08:50 -05:00
Peter Xu 0a818f87f7 intel_iommu: introduce vtd_reset_caches()
Provide the function and use it in vtd_init().  Used to reset both
context entry cache and iotlb cache for the whole IOMMU unit.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 06aba4ca52)
*functional dep. for 2cc9ddcceb
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:07:19 -05:00
Vladimir Sementsov-Ogievskiy 92c7eec109 nbd/server: fix NBD_CMD_CACHE
We should not go to structured-read branch on CACHE command, fix that.

Bug introduced in bc37b06a5c "nbd/server: introduce NBD_CMD_CACHE"
with the whole feature and affects 3.0.0 release.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
CC: qemu-stable@nongnu.org
Message-Id: <20181003144738.70670-1-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: commit message typo fix]
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 2f454defc2)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:05:11 -05:00
Peter Maydell 6abeb6d85e target/arm: Correct condition for v8M callee stack push
In v7m_exception_taken() we were incorrectly using a
"LR bit EXCRET.ES is 1" check when it should be 0
(compare the pseudocode ExceptionTaken() function).
This meant we didn't stack the callee-saved registers
when tailchaining from a NonSecure to a Secure exception.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181002145940.30931-1-peter.maydell@linaro.org
(cherry picked from commit 7b73a1ca05)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 01:05:11 -05:00
Kevin Wolf 399814e1a1 block-backend: Set werror/rerror defaults in blk_new()
Currently, the default values for werror and rerror have to be set
explicitly with blk_set_on_error() by the callers of blk_new(). The only
caller actually doing this is blockdev_init(), which is called for
BlockBackends created using -drive.

In particular, anonymous BlockBackends created with
-device ...,drive=<node-name> didn't get the correct default set and
instead defaulted to the integer value 0 (= BLOCKDEV_ON_ERROR_REPORT).
This is the intended default for rerror anyway, but the default for
werror should be BLOCKDEV_ON_ERROR_ENOSPC.

Set the defaults in blk_new() instead so that they apply no matter what
way the BlockBackend was created.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
(cherry picked from commit cb53460b70)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:58:34 -05:00
Paolo Bonzini ce2c15fdaf virtio: do not take address of packed members
The address of a packed member is not packed, which may cause accesses
to unaligned pointers.  Avoid this by reading the packed value before
passing it to another function.

Cc: Jason Wang <jasowang@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit d41ca5afe3)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:57:37 -05:00
Peter Maydell 15f40e2e63 virt: Suppress external aborts on virt-2.10 and earlier
In commit c79c0a314c we enabled emulation of external aborts
when the guest attempts to access a physical address with no
mapped device. In commit 4672cbd7be we suppress this for
most legacy boards to prevent breakage of previously working
guests, but we didn't suppress it in the 'virt' board, with
the rationale "we know that guests won't try to prod devices
that we don't describe in the device tree or ACPI tables". This
is mostly true, but we've had a report of a Linux guest image
that this did break. The problem seems to be that the guest
is (incorrectly) configured with a DEBUG_UART_PHYS value that
tells it there is a uart at 0x10009000 (which is true for
vexpress but not for virt), so in early bootup the kernel
probes this bogus address.

This is a misconfigured guest, so we don't need to worry
about it too much, but we can arrange that guests that ran
on QEMU v2.10 (before c79c0a314c) will still run on
the "virt-2.10" board model, by suppressing external aborts
only for that version and earlier. This seems a reasonable
compromise: "virt-2.10" is supposed to behave the same way
that "virt" did in the 2.10 release, and making it do that
provides a usable workaround for guests with bugs like this.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180925144127.31965-1-peter.maydell@linaro.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
(cherry picked from commit 846690dee8)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:56:22 -05:00
Jason Wang 901d84e675 net: ignore packet size greater than INT_MAX
There should not be a reason for passing a packet size greater than
INT_MAX. It's usually a hint of bug somewhere, so ignore packet size
greater than INT_MAX in qemu_deliver_packet_iov()

CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit 1592a99470)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:53:38 -05:00
Jason Wang 9d9430b75f pcnet: fix possible buffer overflow
In pcnet_receive(), we try to assign size_ to size which converts from
size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access
for both buf and buf1.

Fixing by converting the type of size to size_t.

CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit b1d80d12c5)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:53:30 -05:00
Jason Wang b3f1083edb rtl8139: fix possible out of bound access
In rtl8139_do_receive(), we try to assign size_ to size which converts
from size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access of
for both buf and buf1.

Fixing by converting the type of size to size_t.

CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit 1a326646fe)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:53:20 -05:00
Jason Wang 9971a3fb90 ne2000: fix possible out of bound access in ne2000_receive
In ne2000_receive(), we try to assign size_ to size which converts
from size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access of
for both buf and buf1.

Fixing by converting the type of size to size_t.

CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit fdc89e90fa)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:53:12 -05:00
Richard Henderson b05db67c98 target/arm: Fix cpu_get_tb_cpu_state() for non-SVE CPUs
Not only are the sve-related tb_flags fields unused when SVE is
disabled, but not all of the cpu registers are initialized properly
for computing same.  This can corrupt other fields by ORing in -1,
which might result in QEMU crashing.

This bug was not present in 3.0, but this patch is cc'd to
stable because adf92eab90 where the bug was
introduced was marked for stable.

Fixes: adf92eab90
Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit e79b445d89)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:50:46 -05:00
Jeff Cody e9d87aa766 block/rbd: add deprecation documentation for filename keyvalue pairs
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: 647f5b5ab7efd8bf567a504c832b1d2d6f719b23.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit 3bebd37e04)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:39:21 -05:00
Jeff Cody 5b2f6925e0 block/rbd: add iotest for rbd legacy keyvalue filename parsing
This is a small test that will check for the ability to parse
both legacy and modern options for rbd.

The way the test is set up is for failure to occur, but without
having to wait to timeout on a non-existent rbd server.  The error
messages in the success path show that the arguments were parsed.

The failure behavior prior to the patch series that has this test, is
qemu-img complaining about mandatory options (e.g. 'pool') not being
provided.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: f830580e339b974a83ed4870d11adcdc17f49a47.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit 66e6a735e9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:39:12 -05:00
Jeff Cody 0bc2dc7357 block/rbd: Attempt to parse legacy filenames
When we converted rbd to get rid of the older key/value-centric
encoding format, we broke compatibility with image files with backing
file strings encoded in the old format.

This leaves a bit of an ugly conundrum, and a hacky solution.

If the initial attempt to parse the "proper" options fails, it assumes
that we may have an older key/value encoded filename.  Fall back to
attempting to parse the filename, and extract the required options from
it.  If that fails, pass along the original error message.

We do not support mixed modern usage alongside legacy keyvalue pair
usage.

A deprecation warning has been added, although care should be taken
when actually deprecating since the impact is not limited to
commandline or qapi usage, but also opening existing images.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: 15b332e5432ad069441f7275a46080f465d789a0.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit 084d1d13bd)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:38:38 -05:00
Jeff Cody 22e766bcf3 block/rbd: pull out qemu_rbd_convert_options
Code movement to pull the conversion from Qdict to BlockdevOptionsRbd
into a helper function.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: 5b49a980f2cde6610ab1df41bb0277d00b5db893.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit f24b03b56c)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:38:24 -05:00
liujunjie 481be11cba clean up callback when del virtqueue
Before, we did not clear callback like handle_output when delete
the virtqueue which may result be segmentfault.
The scene is as follows:
1. Start a vm with multiqueue vhost-net,
2. then we write VIRTIO_PCI_GUEST_FEATURES in PCI configuration to
triger multiqueue disable in this vm which will delete the virtqueue.
In this step, the tx_bh is deleted but the callback virtio_net_handle_tx_bh
still exist.
3. Finally, we write VIRTIO_PCI_QUEUE_NOTIFY in PCI configuration to
notify the deleted virtqueue. In this way, virtio_net_handle_tx_bh
will be called and qemu will be crashed.

Although the way described above is uncommon, we had better reinforce it.

CC: qemu-stable@nongnu.org
Signed-off-by: liujunjie <liujunjie23@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit 7da2d99fb9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:37:20 -05:00
Vladimir Sementsov-Ogievskiy a8b436c88d nbd/server: fix bitmap export
bitmap_to_extents function is broken: it switches dirty variable after
every iteration, however it can process only part of dirty (or zero)
area during one iteration in case when this area is too large for one
extent.

Fortunately, the bug doesn't produce wrong extent flags: it just inserts
a zero-length extent between sequential extents representing large dirty
(or zero) area. However, zero-length extents are forbidden by the NBD
protocol. So, a careful client should consider such a reply as a server
fault, while a less-careful will likely ignore zero-length extents.

The bug can only be triggered by a client that requests block status
for nearly 4G at once (a request of 4G and larger is impossible per
the protocol, and requests smaller than 4G less the bitmap granularity
cause the loop to quit iterating rather than revisit the tail of the
large area); it also cannot trigger if the client used the
NBD_CMD_FLAG_REQ_ONE flag.  Since qemu 3.0 as client (using the
x-dirty-bitmap extension) always passes the flag, it is immune; and
we are not aware of other open-source clients that know how to request
qemu:dirty-bitmap:FOO contexts.  Clients that want to avoid the bug
could cap block status requests to a smaller length, such as 2G or 3G.

Fix this by more careful handling of dirty variable.

Bug was introduced in 3d068aff16
 "nbd/server: implement dirty bitmap export", with the whole function.
and is present in v3.0.0 release.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180914165116.23182-1-vsementsov@virtuozzo.com>
CC: qemu-stable@nongnu.org
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: improved commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 6545916d52)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:36:26 -05:00
Max Filippov ccdd67c8d9 target/xtensa: fix s32c1i TCGMemOp flags
s32c1i must load and store value with target endianness, not host.
This results in an infinite loop in atomic cmpxchg sequences when target
endianness doesn't match host endianness.

Fixes: 9fb40342d4 ("target/xtensa: support MTTCG")
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 7a54cfbcee)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:31:53 -05:00
Fam Zheng ef6de9e720 job: Fix nested aio_poll() hanging in job_txn_apply
All callers have acquired ctx already. Doing that again results in
aio_poll() hang. This fixes the problem that a BDRV_POLL_WHILE() in the
callback cannot make progress because ctx is recursively locked, for
example, when drive-backup finishes.

There are two callers of job_finalize():

    fam@lemon:~/work/qemu [master]$ git grep -w -A1 '^\s*job_finalize'
    blockdev.c:    job_finalize(&job->job, errp);
    blockdev.c-    aio_context_release(aio_context);
    --
    job-qmp.c:    job_finalize(job, errp);
    job-qmp.c-    aio_context_release(aio_context);
    --
    tests/test-blockjob.c:    job_finalize(&job->job, &error_abort);
    tests/test-blockjob.c-    assert(job->job.status == JOB_STATUS_CONCLUDED);

Ignoring the test, it's easy to see both callers to job_finalize (and
job_do_finalize) have acquired the context.

Cc: qemu-stable@nongnu.org
Reported-by: Gu Nini <ngu@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 49880165a4)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:29:12 -05:00
Alberto Garcia 9e25063bb0 block: Fix use after free error in bdrv_open_inherit()
When a block device is opened with BDRV_O_SNAPSHOT and the
bdrv_append_temp_snapshot() call fails then the error code path tries
to unref the already destroyed 'options' QDict.

This can be reproduced easily by setting TMPDIR to a location where
the QEMU process can't write:

   $ TMPDIR=/nonexistent $QEMU -drive driver=null-co,snapshot=on

Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 8961be33e8)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:28:49 -05:00
Michael S. Tsirkin 84cabd6c6c tests: update acpi expected files
Fixes: dbb6da8ba7 ("pc: acpi: revert back to 1 SRAT entry for hotpluggable area")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit d2a1b1d602)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:28:07 -05:00
Igor Mammedov f8d4616e62 pc: acpi: revert back to 1 SRAT entry for hotpluggable area
Commit
  10efd7e108 "pc: acpi: fix memory hotplug regression by reducing stub SRAT entry size"
attemped to fix hotplug regression introduced by
  848a1cc1e "hw/acpi-build: build SRAT memory affinity structures for DIMM devices"

fixed issue for Windows/3.0+ linux kernels, however it regressed 2.6 based
kernels (RHEL6) to the point where guest might crash at boot.
Reason is that 2.6 kernel discards SRAT table due too small last entry
which down the road leads to crashes. Hack I've tried in 10efd7e108 is also
not ACPI spec compliant according to which whole possible RAM should be
described in SRAT. Revert 10efd7e108 to fix regression for 2.6 based kernels.

With 10efd7e108 reverted, I've also tried splitting SRAT table statically
in different ways %/node and %/slot but Windows still fails to online
2nd pc-dimm hot-plugged into node 0 (as described in 10efd7e108) and
sometimes even coldplugged pc-dimms where affected with static SRAT
partitioning.
The only known so far way where Windows stays happy is when we have 1
SRAT entry in the last node covering all hotplug area.

Revert 848a1cc1e until we come up with a way to avoid regression
on Windows with hotplug area split in several entries.
Tested this with 2.6/3.0 based kernels (RHEL6/7) and WS20[08/12/12R2/16]).

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit dbb6da8ba7)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-27 00:27:56 -05:00
Yury Kotov bda7545118 vhost: fix invalid downcast
virtio_queue_get_desc_addr returns 64-bit hwaddr while int is usually 32-bit.
If returned hwaddr is not equal to 0 but least-significant 32 bits are
equal to 0 then this code will not actually stop running queue.

Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Acked-by: Jia He <hejianet@gmail.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit fa4ae4be15)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:49:14 -05:00
Fam Zheng 70b8acfa0d slirp: Add sanity check for str option length
When user provides a long domainname or hostname that doesn't fit in the
DHCP packet, we mustn't overflow the response packet buffer. Instead,
report errors, following the g_warning() in the slirp->vdnssearch
branch.

Also check the strlen against 256 when initializing slirp, which limit
is also from the protocol where one byte represents the string length.
This gives an early error before the warning which is harder to notice
or diagnose.

Reported-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
(cherry picked from commit 6e157a0339)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:47:26 -05:00
Prasad Singamsetty 2f5c767a82 kvm: add call to qemu_add_opts() for -overcommit option
qemu command fails to process -overcommit option. Add the missing
call to qemu_add_opts() in vl.c.

Signed-off-by: Prasad Singamsetty <prasad.singamsetty@oracle.com>
Message-Id: <20180815175704.105902-1-prasad.singamsetty@oracle.com>
Reviewed-by: Mark Kanda <mark.kanda@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 1fdd474871)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:46:48 -05:00
Max Filippov 32a51d0704 target/xtensa: fix FPU2000 bugs
- FPU2000 defines rfr and wfr opcodes, not rfr.s and wfr.s;
- movcond.s uses incorrect operand in tcg_gen_movcond: in case the
  condition is not satisfied it must not change its argument 0.

Fixes: c04e1692e3 ("target/xtensa: extract FPU2000 opcode
translators")
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
(cherry picked from commit e8e05fd472)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:46:17 -05:00
Paolo Bonzini a40e71884d virtio: update MemoryRegionCaches when guest negotiates features
Because the cache is sized to include the rings and the event indices,
negotiating the VIRTIO_RING_F_EVENT_IDX feature will result in the size
of the cache changing.  And because MemoryRegionCache accesses are
range-checked, if we skip this we end up with an assertion failure.
This happens with OpenBSD 6.3.

Reported-by: Fam Zheng <famz@redhat.com>
Fixes: 97cd965c07
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit db812c4073)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:45:33 -05:00
Jeff Cody 457b0e4761 block: iotest to catch abort on forced blockjob cancel
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: df317f617fbe5affcf699cb8560e7b0c2e028a64.1534868459.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit 26bf474ba9)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:44:18 -05:00
Jeff Cody def983b923 block: for jobs, do not clear user_paused until after the resume
The function job_cancel_async() will always cause an assert for blockjob
user resume.  We set job->user_paused to false, and then call
job->driver->user_resume().  In the case of blockjobs, this is the
block_job_user_resume() function.

In that function, we assert that job.user_paused is set to true.
Unfortunately, right before calling this function, it has explicitly
been set to false.

The fix is pretty simple: set job->user_paused to false only after the
job user_resume() function has been called.

Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: bb183b77d8f2dd6bd67b8da559a90ac1e74b2052.1534868459.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
(cherry picked from commit e321c0597c)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:44:09 -05:00
Eduardo Habkost 3dceceec72 i386: Disable TOPOEXT by default on "-cpu host"
Enabling TOPOEXT is always allowed, but it can't be enabled
blindly by "-cpu host" because it may make guests crash if the
rest of the cache topology information isn't provided or isn't
consistent.

This addresses the bug reported at:
https://bugzilla.redhat.com/show_bug.cgi?id=1613277

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180809221852.15285-1-ehabkost@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
(cherry picked from commit 7210a02c58)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:43:11 -05:00
Peter Wu 9431827af9 vnc: fix memleak of the "vnc-worker-output" name
Fixes repeated memory leaks of 18 bytes when using VNC:

    Direct leak of 831024 byte(s) in 46168 object(s) allocated from:
        ...
        #4 0x7f6d2f919bdd in g_strdup_vprintf glib/gstrfuncs.c:514
        #5 0x56085cdcf660 in buffer_init util/buffer.c:59
        #6 0x56085ca6a7ec in vnc_async_encoding_start ui/vnc-jobs.c:177
        #7 0x56085ca6b815 in vnc_worker_thread_loop ui/vnc-jobs.c:240

Fixes: 543b95801f ("vnc: attach names to buffers")
Cc: Gerd Hoffmann <kraxel@redhat.com>
CC: qemu-stable@nongnu.org
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20180807221830.3844-1-peter@lekensteyn.nl
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 0ae0b069aa)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-21 15:42:17 -05:00
Marc-André Lureau d1c384fabc monitor: fix oob command leak
Spotted by ASAN, during make check...

Direct leak of 40 byte(s) in 1 object(s) allocated from:
    #0 0x7f8e27262c48 in malloc (/lib64/libasan.so.5+0xeec48)
    #1 0x7f8e26a5f3c5 in g_malloc (/lib64/libglib-2.0.so.0+0x523c5)
    #2 0x555ab67078a8 in qstring_from_str /home/elmarco/src/qq/qobject/qstring.c:67
    #3 0x555ab67071e4 in qstring_new /home/elmarco/src/qq/qobject/qstring.c:24
    #4 0x555ab6713fbf in qstring_from_escaped_str /home/elmarco/src/qq/qobject/json-parser.c:144
    #5 0x555ab671738c in parse_literal /home/elmarco/src/qq/qobject/json-parser.c:506
    #6 0x555ab67179c3 in parse_value /home/elmarco/src/qq/qobject/json-parser.c:569
    #7 0x555ab6715123 in parse_pair /home/elmarco/src/qq/qobject/json-parser.c:306
    #8 0x555ab6715483 in parse_object /home/elmarco/src/qq/qobject/json-parser.c:357
    #9 0x555ab671798b in parse_value /home/elmarco/src/qq/qobject/json-parser.c:561
    #10 0x555ab6717a6b in json_parser_parse_err /home/elmarco/src/qq/qobject/json-parser.c:592
    #11 0x555ab4fd4dcf in handle_qmp_command /home/elmarco/src/qq/monitor.c:4257
    #12 0x555ab6712c4d in json_message_process_token /home/elmarco/src/qq/qobject/json-streamer.c:105
    #13 0x555ab67e01e2 in json_lexer_feed_char /home/elmarco/src/qq/qobject/json-lexer.c:323
    #14 0x555ab67e0af6 in json_lexer_feed /home/elmarco/src/qq/qobject/json-lexer.c:373
    #15 0x555ab6713010 in json_message_parser_feed /home/elmarco/src/qq/qobject/json-streamer.c:124
    #16 0x555ab4fd58ec in monitor_qmp_read /home/elmarco/src/qq/monitor.c:4337
    #17 0x555ab6559df2 in qemu_chr_be_write_impl /home/elmarco/src/qq/chardev/char.c:175
    #18 0x555ab6559e95 in qemu_chr_be_write /home/elmarco/src/qq/chardev/char.c:187
    #19 0x555ab6560127 in fd_chr_read /home/elmarco/src/qq/chardev/char-fd.c:66
    #20 0x555ab65d9c73 in qio_channel_fd_source_dispatch /home/elmarco/src/qq/io/channel-watch.c:84
    #21 0x7f8e26a598ac in g_main_context_dispatch (/lib64/libglib-2.0.so.0+0x4c8ac)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180809114417.28718-4-marcandre.lureau@redhat.com>
[Screwed up in commit b27314567d]
Cc: qemu-stable@nongnu.org
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
(cherry picked from commit cb9ec42f33)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:41:22 -05:00
Fam Zheng 8f0e1478d0 aio: Do aio_notify_accept only during blocking aio_poll
An aio_notify() pairs with an aio_notify_accept(). The former should
happen in the main thread or a vCPU thread, and the latter should be
done in the IOThread.

There is one rare case that the main thread or vCPU thread may "steal"
the aio_notify() event just raised by itself, in bdrv_set_aio_context()
[1]. The sequence is like this:

    main thread                     IO Thread
    ===============================================================
    bdrv_drained_begin()
      aio_disable_external(ctx)
                                    aio_poll(ctx, true)
                                      ctx->notify_me += 2
    ...
    bdrv_drained_end()
      ...
        aio_notify()
    ...
    bdrv_set_aio_context()
      aio_poll(ctx, false)
[1]     aio_notify_accept(ctx)
                                      ppoll() /* Hang! */

[1] is problematic. It will clear the ctx->notifier event so that
the blocked ppoll() will not return.

(For the curious, this bug was noticed when booting a number of VMs
simultaneously in RHV.  One or two of the VMs will hit this race
condition, making the VIRTIO device unresponsive to I/O commands. When
it hangs, Seabios is busy waiting for a read request to complete (read
MBR), right after initializing the virtio-blk-pci device, using 100%
guest CPU. See also https://bugzilla.redhat.com/show_bug.cgi?id=1562750
for the original bug analysis.)

aio_notify() only injects an event when ctx->notify_me is set,
correspondingly aio_notify_accept() is only useful when ctx->notify_me
_was_ set. Move the call to it into the "blocking" branch. This will
effectively skip [1] and fix the hang.

Furthermore, blocking aio_poll is only allowed on home thread
(in_aio_context_home_thread), because otherwise two blocking
aio_poll()'s can steal each other's ctx->notifier event and cause
hanging just like described above.

Cc: qemu-stable@nongnu.org
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-3-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
(cherry picked from commit b37548fcd1)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:40:40 -05:00
Fam Zheng 98f6f21261 aio-posix: Don't count ctx->notifier as progress when polling
The same logic exists in fd polling. This change is especially important
to avoid busy loop once we limit aio_notify_accept() to blocking
aio_poll().

Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-2-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
(cherry picked from commit 70232b5253)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:40:26 -05:00
Fam Zheng ac141891ee nvme: Fix nvme_init error handling
It is wrong to leave this field as 1, as nvme_close() called in the
error handling code in nvme_file_open() will use it and try to free
s->queues again.

Another problem is the cleaning ups are duplicated between the fail*
labels of nvme_init() and nvme_file_open(), which calls nvme_close().

A third problem is nvme_close() misses g_free() and
event_notifier_cleanup().

Fix all of them.

Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>

Message-Id: <20180712025420.4932-1-famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
(cherry picked from commit 9582f357bb)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:40:15 -05:00
Daniel P. Berrangé 4b4201206c qemu-img: fix regression copying secrets during convert
When the convert command is creating an output file that needs
secrets, we need to ensure those secrets are passed to both the
blk_new_open and bdrv_create API calls.

This is done by qemu-img extracting all opts matching the name
suffix "key-secret". Unfortunately the code doing this was run after the
call to bdrv_create(), which meant the QemuOpts it was extracting
secrets from was now empty.

Previously this worked by luks as a bug meant the "key-secret"
parameters were not purged from the QemuOpts. This bug was fixed in

  commit b76b4f6045
  Author: Kevin Wolf <kwolf@redhat.com>
  Date:   Thu Jan 11 16:18:08 2018 +0100

    qcow2: Use visitor for options in qcow2_create()

Exposing the latent bug in qemu-img. This fix simply moves the copying
of secrets to before the bdrv_create() call.

Cc: qemu-stable@nongnu.org
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 8d65a3ccfd)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:39:20 -05:00
Kevin Wolf 1662d4d490 mirror: Fail gracefully for source == target
blockdev-mirror with the same node for source and target segfaults
today: A node is in its own backing chain, so mirror_start_job() decides
that this is an active commit. When adding the intermediate nodes with
block_job_add_bdrv(), it starts the iteration through the subchain with
the backing file of source, though, so it never reaches target and
instead runs into NULL at the base.

While we could fix that by starting with source itself, there is no
point in allowing mirroring a node into itself and I wouldn't be
surprised if this caused more problems later.

So just check for this scenario and error out.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 86fae10c64)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:38:54 -05:00
Kevin Wolf c89985bad9 block/qapi: Fix memory leak in qmp_query_blockstats()
For BlockBackends that are skipped in query-blockstats, we would leak
info since commit 567dcb31. Allocate info only later to avoid the memory
leak.

Fixes: CID 1394727
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
(cherry picked from commit f62492bb8d)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:36:39 -05:00
Richard Henderson fb661dac05 target/arm: Use FZ not FZ16 for SVE FCVT single-half and double-half
We were using the wrong flush-to-zero bit for the non-half input.

Fixes: 46d33d1e3c
Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180810193129.1556-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit e4ab5124a5)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:23:27 -05:00
Richard Henderson aff596dcf4 target/arm: Use fp_status_fp16 for do_fmpa_zpzzz_h
This makes float16_muladd correctly use FZ16 not FZ.

Fixes: 6ceabaad11
Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180810193129.1556-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 52a339b11d)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:21:13 -05:00
Richard Henderson a606615e2f target/arm: Ignore float_flag_input_denormal from fp_status_f16
When FZ is set, input_denormal exceptions are recognized, but this does
not happen with FZ16.  The softfloat code has no way to distinguish
these bits and will raise such exceptions into fp_status_f16.flags,
so ignore them when computing the accumulated flags.

Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180810193129.1556-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 19062c169e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:18:43 -05:00
Richard Henderson fbec38531c target/arm: Adjust FPCR_MASK for FZ16
When support for FZ16 was added, we failed to include the bit
within FPCR_MASK, which means that it could never be set.
Continue to zero FZ16 when ARMv8.2-FP16 is not enabled.

Fixes: d81ce0ef2c
Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180810193129.1556-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 0b62159be3)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:18:31 -05:00
Bharata B Rao b7f525bf89 spapr_cpu_core: vmstate_[un]register per-CPU data from (un)realizefn
VMStateDescription vmstate_spapr_cpu_state was added by commit
b94020268e (spapr_cpu_core: migrate per-CPU data) to migrate per-CPU
data with the required vmstate registration and unregistration calls.
However the unregistration is being done only from vcpu creation error path
and not from CPU delete path.

This causes migration to fail with the following error if migration is
attempted after a CPU unplug like this:
Unknown savevm section or instance 'spapr_cpu' 16
Additionally this leaves the source VM unresponsive after migration failure.

Fix this by ensuring the vmstate_unregister happens during CPU removal.
Fixing this becomes easier when vmstate (un)registration calls are moved to
vcpu (un)realize functions which is what this patch does.

Fixes: https://bugs.launchpad.net/qemu/+bug/1785972
Reported-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(cherry picked from commit cc71c7760e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:04:30 -05:00
Richard Henderson 5a49083b1e target/arm: Add sve-max-vq cpu property to -cpu max
This allows the default (and maximum) vector length to be set
from the command-line.  Which is extraordinarily helpful in
debugging problems depending on vector length without having to
bake knowledge of PR_SET_SVE_VL into every guest binary.

Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit adf92eab90)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:03:48 -05:00
Richard Henderson 192686a800 target/arm: Dump SVE state if enabled
Also fold the FPCR/FPSR state onto the same line as PSTATE,
and mention but do not dump disabled FPU state.

Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 2bf5f3f91b)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:03:33 -05:00
Richard Henderson 965307a713 target/arm: Reformat integer register dump
With PC, there are 33 registers.  Three per line lines up nicely
without overflowing 80 columns.

Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 3cb506a399)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:03:20 -05:00
Richard Henderson 3d95093fa7 target/arm: Fix offset scaling for LD_zprr and ST_zprr
The scaling should be solely on the memory operation size; the number
of registers being loaded does not come in to the initial computation.

Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 50ef1cbf31)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:03:10 -05:00
Richard Henderson e97358cae4 target/arm: Fix offset for LD1R instructions
The immediate should be scaled by the size of the memory reference,
not the size of the elements into which it is loaded.

Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit d0e372b029)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:02:54 -05:00
Richard Henderson ca276173c9 target/arm: Fix sign-extension in sve do_ldr/do_str
The expression (int) imm + (uint32_t) len_align turns into uint32_t
and thus with negative imm produces a memory operation at the wrong
offset.  None of the numbers involved are particularly large, so
change everything to use int.

Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 19f2acc915)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:02:34 -05:00
Richard Henderson 471b5ae011 target/arm: Fix typo in helper_sve_ld1hss_r
Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 573ec0fe40)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:02:18 -05:00
Richard Henderson d1d2721876 target/arm: Fix typo in helper_sve_movz_d
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 054e7adf4e)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:00:56 -05:00
Richard Henderson bfc23fb2f0 target/arm: Reorganize SVE WHILE
The pseudocode for this operation is an increment + compare loop,
so comparing <= the maximum integer produces an all-true predicate.

Rather than bound in both the inline code and the helper, pass the
helper the number of predicate bits to set instead of the number
of predicate elements to set.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit bbd0968c45)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:00:32 -05:00
Richard Henderson f7ddde210a target/arm: Fix typo in do_sat_addsub_64
Used the wrong temporary in the computation of subtractive overflow.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit 7a31e0c6c6)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 21:00:13 -05:00
Richard Henderson 58c4b085ee target/arm: Fix sign of sve_cmpeq_ppzw/sve_cmpne_ppzw
The normal vector element is sign-extended before
comparing with the wide vector element.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 20180801123111.3595-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
(cherry picked from commit df4e001093)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2019-03-18 20:59:56 -05:00
6047 changed files with 176109 additions and 546906 deletions
-38
View File
@@ -1,38 +0,0 @@
env:
CIRRUS_CLONE_DEPTH: 1
freebsd_12_task:
freebsd_instance:
image: freebsd-12-0-release-amd64
cpu: 8
memory: 8G
install_script: pkg install -y
bash bison curl cyrus-sasl git glib gmake gnutls gsed
nettle perl5 pixman pkgconf png usbredir
script:
- mkdir build
- cd build
- ../configure || { cat config.log; exit 1; }
- gmake -j8
- gmake -j8 V=1 check
macos_task:
osx_instance:
image: mojave-base
install_script:
- brew install pkg-config python gnu-sed glib pixman make sdl2
script:
- ./configure --python=/usr/local/bin/python3 || { cat config.log; exit 1; }
- gmake -j$(sysctl -n hw.ncpu)
- gmake check -j$(sysctl -n hw.ncpu)
macos_xcode_task:
osx_instance:
# this is an alias for the latest Xcode
image: mojave-xcode
install_script:
- brew install pkg-config gnu-sed glib pixman make sdl2
script:
- ./configure --cc=clang || { cat config.log; exit 1; }
- gmake -j$(sysctl -n hw.ncpu)
- gmake check -j$(sysctl -n hw.ncpu)
+1 -29
View File
@@ -1,10 +1,4 @@
# EditorConfig is a file format and collection of text editor plugins
# for maintaining consistent coding styles between different editors
# and IDEs. Most popular editors support this either natively or via
# plugin.
#
# Check https://editorconfig.org for details.
# http://editorconfig.org
root = true
[*]
@@ -12,32 +6,10 @@ end_of_line = lf
insert_final_newline = true
charset = utf-8
[*.mak]
indent_style = tab
indent_size = 8
file_type_emacs = makefile
[Makefile*]
indent_style = tab
indent_size = 8
file_type_emacs = makefile
[*.{c,h}]
indent_style = space
indent_size = 4
[*.sh]
indent_style = space
indent_size = 4
[*.{s,S}]
indent_style = tab
indent_size = 8
file_type_emacs = asm
[*.{vert,frag}]
file_type_emacs = glsl
[*.json]
indent_style = space
file_type_emacs = python
+68 -18
View File
@@ -1,4 +1,3 @@
/.doctrees
/config-devices.*
/config-all-devices.*
/config-all-disas.*
@@ -6,7 +5,6 @@
/config-target.*
/config.status
/config-temp
/elf2dmp
/trace-events-all
/trace/generated-events.h
/trace/generated-events.c
@@ -32,22 +30,83 @@
/qapi-gen-timestamp
/qapi/qapi-builtin-types.[ch]
/qapi/qapi-builtin-visit.[ch]
/qapi/qapi-commands-*.[ch]
/qapi/qapi-commands-block-core.[ch]
/qapi/qapi-commands-block.[ch]
/qapi/qapi-commands-char.[ch]
/qapi/qapi-commands-common.[ch]
/qapi/qapi-commands-crypto.[ch]
/qapi/qapi-commands-introspect.[ch]
/qapi/qapi-commands-job.[ch]
/qapi/qapi-commands-migration.[ch]
/qapi/qapi-commands-misc.[ch]
/qapi/qapi-commands-net.[ch]
/qapi/qapi-commands-rocker.[ch]
/qapi/qapi-commands-run-state.[ch]
/qapi/qapi-commands-sockets.[ch]
/qapi/qapi-commands-tpm.[ch]
/qapi/qapi-commands-trace.[ch]
/qapi/qapi-commands-transaction.[ch]
/qapi/qapi-commands-ui.[ch]
/qapi/qapi-commands.[ch]
/qapi/qapi-emit-events.[ch]
/qapi/qapi-events-*.[ch]
/qapi/qapi-events-block-core.[ch]
/qapi/qapi-events-block.[ch]
/qapi/qapi-events-char.[ch]
/qapi/qapi-events-common.[ch]
/qapi/qapi-events-crypto.[ch]
/qapi/qapi-events-introspect.[ch]
/qapi/qapi-events-job.[ch]
/qapi/qapi-events-migration.[ch]
/qapi/qapi-events-misc.[ch]
/qapi/qapi-events-net.[ch]
/qapi/qapi-events-rocker.[ch]
/qapi/qapi-events-run-state.[ch]
/qapi/qapi-events-sockets.[ch]
/qapi/qapi-events-tpm.[ch]
/qapi/qapi-events-trace.[ch]
/qapi/qapi-events-transaction.[ch]
/qapi/qapi-events-ui.[ch]
/qapi/qapi-events.[ch]
/qapi/qapi-introspect.[ch]
/qapi/qapi-types-*.[ch]
/qapi/qapi-types-block-core.[ch]
/qapi/qapi-types-block.[ch]
/qapi/qapi-types-char.[ch]
/qapi/qapi-types-common.[ch]
/qapi/qapi-types-crypto.[ch]
/qapi/qapi-types-introspect.[ch]
/qapi/qapi-types-job.[ch]
/qapi/qapi-types-migration.[ch]
/qapi/qapi-types-misc.[ch]
/qapi/qapi-types-net.[ch]
/qapi/qapi-types-rocker.[ch]
/qapi/qapi-types-run-state.[ch]
/qapi/qapi-types-sockets.[ch]
/qapi/qapi-types-tpm.[ch]
/qapi/qapi-types-trace.[ch]
/qapi/qapi-types-transaction.[ch]
/qapi/qapi-types-ui.[ch]
/qapi/qapi-types.[ch]
/qapi/qapi-visit-*.[ch]
!/qapi/qapi-visit-core.c
/qapi/qapi-visit-block-core.[ch]
/qapi/qapi-visit-block.[ch]
/qapi/qapi-visit-char.[ch]
/qapi/qapi-visit-common.[ch]
/qapi/qapi-visit-crypto.[ch]
/qapi/qapi-visit-introspect.[ch]
/qapi/qapi-visit-job.[ch]
/qapi/qapi-visit-migration.[ch]
/qapi/qapi-visit-misc.[ch]
/qapi/qapi-visit-net.[ch]
/qapi/qapi-visit-rocker.[ch]
/qapi/qapi-visit-run-state.[ch]
/qapi/qapi-visit-sockets.[ch]
/qapi/qapi-visit-tpm.[ch]
/qapi/qapi-visit-trace.[ch]
/qapi/qapi-visit-transaction.[ch]
/qapi/qapi-visit-ui.[ch]
/qapi/qapi-visit.[ch]
/qapi/qapi-doc.texi
/qemu-doc.html
/qemu-doc.info
/qemu-doc.txt
/qemu-edid
/qemu-img
/qemu-nbd
/qemu-options.def
@@ -66,8 +125,6 @@
/scsi/qemu-pr-helper
/vhost-user-scsi
/vhost-user-blk
/vhost-user-gpu
/vhost-user-input
/fsdev/virtfs-proxy-helper
*.tmp
*.[1-9]
@@ -100,7 +157,6 @@
*.gcno
*.gcov
/pc-bios/bios-pq/status
/pc-bios/edk2-*.fd
/pc-bios/vgabios-pq/status
/pc-bios/optionrom/linuxboot.asm
/pc-bios/optionrom/linuxboot.bin
@@ -110,10 +166,6 @@
/pc-bios/optionrom/linuxboot_dma.bin
/pc-bios/optionrom/linuxboot_dma.raw
/pc-bios/optionrom/linuxboot_dma.img
/pc-bios/optionrom/pvh.asm
/pc-bios/optionrom/pvh.bin
/pc-bios/optionrom/pvh.raw
/pc-bios/optionrom/pvh.img
/pc-bios/optionrom/multiboot.asm
/pc-bios/optionrom/multiboot.bin
/pc-bios/optionrom/multiboot.raw
@@ -124,7 +176,6 @@
/pc-bios/optionrom/kvmvapic.img
/pc-bios/s390-ccw/s390-ccw.elf
/pc-bios/s390-ccw/s390-ccw.img
/docs/built
/docs/interop/qemu-ga-qapi.texi
/docs/interop/qemu-ga-ref.html
/docs/interop/qemu-ga-ref.info*
@@ -134,7 +185,6 @@
/docs/interop/qemu-qmp-ref.info*
/docs/interop/qemu-qmp-ref.txt
/docs/version.texi
/contrib/vhost-user-gpu/50-qemu-gpu.json
*.tps
.stgit-*
.git-submodule-status
-83
View File
@@ -1,83 +0,0 @@
before_script:
- apt-get update -qq
- apt-get install -y -qq flex bison libglib2.0-dev libpixman-1-dev genisoimage
build-system1:
script:
- apt-get install -y -qq libgtk-3-dev libvte-dev nettle-dev libcacard-dev
libusb-dev libvde-dev libspice-protocol-dev libgl1-mesa-dev libvdeplug-dev
- ./configure --enable-werror --target-list="aarch64-softmmu alpha-softmmu
cris-softmmu hppa-softmmu lm32-softmmu moxie-softmmu microblazeel-softmmu
mips64el-softmmu m68k-softmmu ppc-softmmu riscv64-softmmu sparc-softmmu"
- make -j2
- make -j2 check
build-system2:
script:
- apt-get install -y -qq libsdl2-dev libgcrypt-dev libbrlapi-dev libaio-dev
libfdt-dev liblzo2-dev librdmacm-dev libibverbs-dev libibumad-dev
- ./configure --enable-werror --target-list="tricore-softmmu unicore32-softmmu
microblaze-softmmu mips-softmmu riscv32-softmmu s390x-softmmu sh4-softmmu
sparc64-softmmu x86_64-softmmu xtensa-softmmu nios2-softmmu or1k-softmmu"
- make -j2
- make -j2 check
build-disabled:
script:
- ./configure --enable-werror --disable-rdma --disable-slirp --disable-curl
--disable-capstone --disable-live-block-migration --disable-glusterfs
--disable-replication --disable-coroutine-pool --disable-smartcard
--disable-guest-agent --disable-curses --disable-libxml2 --disable-tpm
--disable-qom-cast-debug --disable-spice --disable-vhost-vsock
--disable-vhost-net --disable-vhost-crypto --disable-vhost-user
--target-list="i386-softmmu ppc64-softmmu mips64-softmmu i386-linux-user"
- make -j2
- make -j2 check-qtest SPEED=slow
build-tcg-disabled:
script:
- apt-get install -y -qq clang libgtk-3-dev libbluetooth-dev libusb-dev
- ./configure --cc=clang --enable-werror --disable-tcg --audio-drv-list=""
- make -j2
- make check-unit
- make check-qapi-schema
- cd tests/qemu-iotests/
- ./check -raw 001 002 003 004 005 008 009 010 011 012 021 025 032 033 048
052 063 077 086 101 104 106 113 147 148 150 151 152 157 159 160
163 170 171 183 184 192 194 197 205 208 215 221 222 226 227 236
- ./check -qcow2 028 040 051 056 057 058 065 067 068 082 085 091 095 096 102
122 124 127 129 132 139 142 144 145 147 151 152 155 157 165 194
196 197 200 202 203 205 208 209 215 216 218 222 227 234 246 247
248 250 254 255 256
build-user:
script:
- ./configure --enable-werror --disable-system --disable-guest-agent
--disable-capstone --disable-slirp --disable-fdt
- make -j2
- make run-tcg-tests-i386-linux-user run-tcg-tests-x86_64-linux-user
build-clang:
script:
- apt-get install -y -qq clang libsdl2-dev libattr1-dev libcap-dev
xfslibs-dev libiscsi-dev libnfs-dev libseccomp-dev gnutls-dev librbd-dev
- ./configure --cc=clang --cxx=clang++ --enable-werror
--target-list="alpha-softmmu arm-softmmu m68k-softmmu mips64-softmmu
ppc-softmmu s390x-softmmu x86_64-softmmu arm-linux-user"
- make -j2
- make -j2 check
build-tci:
script:
- TARGETS="aarch64 alpha arm hppa m68k microblaze moxie ppc64 s390x x86_64"
- ./configure --enable-tcg-interpreter
--target-list="$(for tg in $TARGETS; do echo -n ${tg}'-softmmu '; done)"
- make -j2
- make tests/boot-serial-test tests/cdrom-test tests/pxe-test
- for tg in $TARGETS ; do
export QTEST_QEMU_BINARY="${tg}-softmmu/qemu-system-${tg}" ;
./tests/boot-serial-test || exit 1 ;
./tests/cdrom-test || exit 1 ;
done
- QTEST_QEMU_BINARY="x86_64-softmmu/qemu-system-x86_64" ./tests/pxe-test
- QTEST_QEMU_BINARY="s390x-softmmu/qemu-system-s390x" ./tests/pxe-test -m slow
+15 -33
View File
@@ -1,63 +1,45 @@
[submodule "roms/seabios"]
path = roms/seabios
url = https://git.qemu.org/git/seabios.git/
url = git://git.qemu-project.org/seabios.git/
[submodule "roms/SLOF"]
path = roms/SLOF
url = https://git.qemu.org/git/SLOF.git
url = git://git.qemu-project.org/SLOF.git
[submodule "roms/ipxe"]
path = roms/ipxe
url = https://git.qemu.org/git/ipxe.git
url = git://git.qemu-project.org/ipxe.git
[submodule "roms/openbios"]
path = roms/openbios
url = https://git.qemu.org/git/openbios.git
url = git://git.qemu-project.org/openbios.git
[submodule "roms/openhackware"]
path = roms/openhackware
url = https://git.qemu.org/git/openhackware.git
url = git://git.qemu-project.org/openhackware.git
[submodule "roms/qemu-palcode"]
path = roms/qemu-palcode
url = https://git.qemu.org/git/qemu-palcode.git
url = git://git.qemu.org/qemu-palcode.git
[submodule "roms/sgabios"]
path = roms/sgabios
url = https://git.qemu.org/git/sgabios.git
url = git://git.qemu-project.org/sgabios.git
[submodule "dtc"]
path = dtc
url = https://git.qemu.org/git/dtc.git
url = git://git.qemu-project.org/dtc.git
[submodule "roms/u-boot"]
path = roms/u-boot
url = https://git.qemu.org/git/u-boot.git
url = git://git.qemu-project.org/u-boot.git
[submodule "roms/skiboot"]
path = roms/skiboot
url = https://git.qemu.org/git/skiboot.git
url = git://git.qemu.org/skiboot.git
[submodule "roms/QemuMacDrivers"]
path = roms/QemuMacDrivers
url = https://git.qemu.org/git/QemuMacDrivers.git
url = git://git.qemu.org/QemuMacDrivers.git
[submodule "ui/keycodemapdb"]
path = ui/keycodemapdb
url = https://git.qemu.org/git/keycodemapdb.git
url = git://git.qemu.org/keycodemapdb.git
[submodule "capstone"]
path = capstone
url = https://git.qemu.org/git/capstone.git
url = git://git.qemu.org/capstone.git
[submodule "roms/seabios-hppa"]
path = roms/seabios-hppa
url = https://git.qemu.org/git/seabios-hppa.git
url = git://github.com/hdeller/seabios-hppa.git
[submodule "roms/u-boot-sam460ex"]
path = roms/u-boot-sam460ex
url = https://git.qemu.org/git/u-boot-sam460ex.git
[submodule "tests/fp/berkeley-testfloat-3"]
path = tests/fp/berkeley-testfloat-3
url = https://git.qemu.org/git/berkeley-testfloat-3.git
[submodule "tests/fp/berkeley-softfloat-3"]
path = tests/fp/berkeley-softfloat-3
url = https://git.qemu.org/git/berkeley-softfloat-3.git
[submodule "roms/edk2"]
path = roms/edk2
url = https://git.qemu.org/git/edk2.git
[submodule "slirp"]
path = slirp
url = https://git.qemu.org/git/libslirp.git
[submodule "roms/opensbi"]
path = roms/opensbi
url = https://git.qemu.org/git/opensbi.git
[submodule "roms/qboot"]
path = roms/qboot
url = https://github.com/bonzini/qboot
url = git://git.qemu.org/u-boot-sam460ex.git
+5 -132
View File
@@ -1,29 +1,19 @@
# This mailmap fixes up author names/addresses.
#
# If you are adding to this file consider if a similar change needs to
# be made to contrib/gitdm/aliases. They are not however completely
# analogous. .mailmap is concerned with fixing up damaged author
# fields where as the gitdm equivalent is more concerned with making
# sure multiple email addresses get mapped onto the same author.
#
# From man git-shortlog the forms are:
#
# Proper Name <commit@email.xx>
# <proper@email.xx> <commit@email.xx>
# Proper Name <proper@email.xx> <commit@email.xx>
# Proper Name <proper@email.xx> Commit Name <commit@email.xx>
#
# The first section translates weird addresses from the original git import
# into proper addresses so that they are counted properly by git shortlog.
Andrzej Zaborowski <balrogg@gmail.com> balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>
Anthony Liguori <anthony@codemonkey.ws> aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Anthony Liguori <anthony@codemonkey.ws> Anthony Liguori <aliguori@us.ibm.com>
Aurelien Jarno <aurelien@aurel32.net> aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Blue Swirl <blauwirbel@gmail.com> blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Edgar E. Iglesias <edgar.iglesias@gmail.com> edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>
Fabrice Bellard <fabrice@bellard.org> bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
James Hogan <jhogan@kernel.org> <james.hogan@imgtec.com>
Jocelyn Mayer <l_indien@magic.fr> j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>
Paul Brook <paul@codesourcery.com> pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>
Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com>
Paul Burton <paul.burton@mips.com> <paul@archlinuxmips.org>
Thiemo Seufer <ths@networkno.de> ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
malc <av1474@comtv.ru> malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162>
@@ -38,124 +28,7 @@ Ian McKellar <ianloic@google.com> Ian McKellar via Qemu-devel <qemu-devel@nongnu
Julia Suvorova <jusual@mail.ru> Julia Suvorova via Qemu-devel <qemu-devel@nongnu.org>
Justin Terry (VM) <juterry@microsoft.com> Justin Terry (VM) via Qemu-devel <qemu-devel@nongnu.org>
# Next, replace old addresses by a more recent one.
Aleksandar Markovic <amarkovic@wavecomp.com> <aleksandar.markovic@mips.com>
Aleksandar Markovic <amarkovic@wavecomp.com> <aleksandar.markovic@imgtec.com>
Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com> <arikalo@wavecomp.com>
Anthony Liguori <anthony@codemonkey.ws> Anthony Liguori <aliguori@us.ibm.com>
James Hogan <jhogan@kernel.org> <james.hogan@imgtec.com>
Paul Burton <pburton@wavecomp.com> <paul.burton@mips.com>
Paul Burton <pburton@wavecomp.com> <paul.burton@imgtec.com>
Paul Burton <pburton@wavecomp.com> <paul@archlinuxmips.org>
Philippe Mathieu-Daudé <philmd@redhat.com> <f4bug@amsat.org>
Yongbok Kim <yongbok.kim@mips.com> <yongbok.kim@imgtec.com>
# Also list preferred name forms where people have changed their
# git author config, or had utf8/latin1 encoding issues.
Aaron Lindsay <aaron@os.amperecomputing.com>
Alexey Gerasimenko <x1917x@gmail.com>
Alex Ivanov <void@aleksoft.net>
Andreas Färber <afaerber@suse.de>
Bandan Das <bsd@redhat.com>
Benjamin MARSILI <mlspirat42@gmail.com>
Benoît Canet <benoit.canet@gmail.com>
Benoît Canet <benoit.canet@irqsave.net>
Benoît Canet <benoit.canet@nodalink.com>
Boqun Feng <boqun.feng@gmail.com>
Boqun Feng <boqun.feng@intel.com>
Brad Smith <brad@comstyle.com>
Brijesh Singh <brijesh.singh@amd.com>
Brilly Wu <brillywu@viatech.com.cn>
Cédric Vincent <cedric.vincent@st.com>
CheneyLin <linzc@zju.edu.cn>
Chen Gang <chengang@emindsoft.com.cn>
Chen Gang <gang.chen.5i5j@gmail.com>
Chen Gang <gang.chen@sunrus.com.cn>
Chen Wei-Ren <chenwj@iis.sinica.edu.tw>
Christophe Lyon <christophe.lyon@st.com>
Collin L. Walling <walling@linux.ibm.com>
# git author config
Daniel P. Berrangé <berrange@redhat.com>
Eduardo Otubo <otubo@redhat.com>
Fabrice Desclaux <fabrice.desclaux@cea.fr>
Fernando Luis Vázquez Cao <fernando_b1@lab.ntt.co.jp>
Fernando Luis Vázquez Cao <fernando@oss.ntt.co.jp>
Gautham R. Shenoy <ego@in.ibm.com>
Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Gonglei (Arei) <arei.gonglei@huawei.com>
Guang Wang <wang.guang55@zte.com.cn>
Hailiang Zhang <zhang.zhanghailiang@huawei.com>
Hervé Poussineau <hpoussin@reactos.org>
Jakub Jermář <jakub@jermar.eu>
Jakub Jermář <jakub.jermar@kernkonzept.com>
Jean-Christophe Dubois <jcd@tribudubois.net>
Jindřich Makovička <makovick@gmail.com>
John Arbuckle <programmingkidx@gmail.com>
Juha Riihimäki <juha.riihimaki@nokia.com>
Juha Riihimäki <Juha.Riihimaki@nokia.com>
Jun Li <junmuzi@gmail.com>
Laurent Vivier <Laurent@lvivier.info>
Leandro Lupori <leandro.lupori@gmail.com>
Li Guang <lig.fnst@cn.fujitsu.com>
Liming Wang <walimisdev@gmail.com>
linzhecheng <linzc@zju.edu.cn>
Liran Schour <lirans@il.ibm.com>
Liu Yu <yu.liu@freescale.com>
Liu Yu <Yu.Liu@freescale.com>
Li Zhang <zhlcindy@gmail.com>
Li Zhang <zhlcindy@linux.vnet.ibm.com>
Lluís Vilanova <vilanova@ac.upc.edu>
Lluís Vilanova <xscript@gmx.net>
Longpeng (Mike) <longpeng2@huawei.com>
Luc Michel <luc.michel@git.antfield.fr>
Luc Michel <luc.michel@greensocs.com>
Marc Marí <marc.mari.barcelo@gmail.com>
Marc Marí <markmb@redhat.com>
Michael Avdienko <whitearchey@gmail.com>
Michael S. Tsirkin <mst@redhat.com>
Munkyu Im <munkyu.im@samsung.com>
Nicholas Bellinger <nab@linux-iscsi.org>
Nicholas Thomas <nick@bytemark.co.uk>
Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Orit Wasserman <owasserm@redhat.com>
Paolo Bonzini <pbonzini@redhat.com>
Pavel Dovgaluk <dovgaluk@ispras.ru>
Pavel Dovgaluk <pavel.dovgaluk@gmail.com>
Pavel Dovgaluk <Pavel.Dovgaluk@ispras.ru>
Peter Crosthwaite <crosthwaite.peter@gmail.com>
Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Prasad J Pandit <pjp@fedoraproject.org>
Prasad J Pandit <ppandit@redhat.com>
Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Remy Noel <remy.noel@blade-group.com>
Roger Pau Monné <roger.pau@citrix.com>
Shin'ichiro Kawasaki <kawasaki@juno.dti.ne.jp>
Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Sochin Jiang <sochin.jiang@huawei.com>
Takashi Yoshii <takasi-y@ops.dti.ne.jp>
Thomas Huth <thuth@redhat.com>
Thomas Knych <thomaswk@google.com>
Timothy Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Tony Nguyen <tony.nguyen@bt.com>
Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Vibi Sreenivasan <vibi_sreenivasan@cms.com>
Vijaya Kumar K <vijayak@cavium.com>
Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Vijay Kumar <vijaykumar@bravegnu.org>
Vijay Kumar <vijaykumar@zilogic.com>
Wang Guang <wang.guang55@zte.com.cn>
Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Wenshuang Ma <kevinnma@tencent.com>
Xiaoqiang Zhao <zxq_yx_007@163.com>
Xinhua Cao <caoxinhua@huawei.com>
Xiong Zhang <xiong.y.zhang@intel.com>
Yin Yin <yin.yin@cs2c.com.cn>
yuchenlin <npes87184@gmail.com>
YunQiang Su <syq@debian.org>
YunQiang Su <ysu@wavecomp.com>
Yuri Pudgorodskiy <yur@virtuozzo.com>
Zhengui Li <lizhengui@huawei.com>
Zhenwei Pi <pizhenwei@bytedance.com>
Zhenwei Pi <zhenwei.pi@youruncloud.com>
Zhuang Yanying <ann.zhuangyanying@huawei.com>
-302
View File
@@ -1,302 +0,0 @@
---
# Note: this file is still unused. It serves as a documentation for the
# Patchew configuration in case patchew.org disappears or has to be
# reinstalled.
#
# Patchew configuration is available to project administrators at
# https://patchew.org/api/v1/projects/1/config/ and can be configured
# to YAML using the following Python script:
#
# import json
# import sys
# import ruamel.yaml
#
# json_str = sys.stdin.read()
# yaml = ruamel.yaml.YAML()
# yaml.explicit_start = True
# data = json.loads(json_str, object_pairs_hook=ruamel.yaml.comments.CommentedMap)
# ruamel.yaml.scalarstring.walk_tree(data)
# yaml.dump(data, sys.stdout)
email:
notifications:
timeouts:
event: TestingReport
enabled: true
to_user: false
reply_subject: true
set_reply_to: true
in_reply_to: true
reply_to_all: false
subject_template: none
to: fam@euphon.net
cc: ''
body_template: |
{% if not is_timeout %} {{ cancel }} {% endif %}
Test '{{ test }}' timeout, log:
{{ log }}
ENOSPC:
event: TestingReport
enabled: true
to_user: false
reply_subject: false
set_reply_to: false
in_reply_to: true
reply_to_all: false
subject_template: Out of space error
to: fam@euphon.net
cc: ''
body_template: |
{% if passed %}
{{ cancel }}
{% endif %}
{% if 'No space left on device' in log %}
Tester {{ tester }} out of space when running {{ test }}
{{ log }}
{% else %}
{{ cancel }}
{% endif %}
FailureShort:
event: TestingReport
enabled: true
to_user: false
reply_subject: true
set_reply_to: true
in_reply_to: true
reply_to_all: true
subject_template: Testing failed
to: ''
cc: ''
body_template: |
{% if passed or not obj.message_id or is_timeout %}
{{ cancel }}
{% endif %}
{% if 'No space left on device' in log %}
{{ cancel }}
{% endif %}
Patchew URL: https://patchew.org/QEMU/{{ obj.message_id }}/
{% ansi2text log as logtext %}
{% if test == "checkpatch" %}
Hi,
This series seems to have some coding style problems. See output below for
more information:
{{ logtext }}
{% elif test == "docker-mingw@fedora" or test == "docker-quick@centos7" or test == "asan" %}
Hi,
This series failed the {{ test }} build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.
{% lines_between logtext start="^=== TEST SCRIPT BEGIN ===$" stop="^=== TEST SCRIPT END ===$" %}
{% lines_between logtext start="^=== OUTPUT BEGIN ===$" stop="=== OUTPUT END ===$" as output %}
{% grep_C output regex="\b(FAIL|XPASS|ERROR|WARN|error:|warning:)" n=3 %}
{% elif test == "s390x" or test == "FreeBSD" or test == "ppcle" or test == "ppcbe" %}
Hi,
This series failed build test on {{test}} host. Please find the details below.
{% lines_between logtext start="^=== TEST SCRIPT BEGIN ===$" stop="^=== TEST SCRIPT END ===$" %}
{% lines_between logtext start="^=== OUTPUT BEGIN ===$" stop="=== OUTPUT END ===$" as output %}
{% grep_C output regex="\b(FAIL|XPASS|ERROR|WARN|error:|warning:)" n=3 %}
{% else %}
{{ cancel }}
{% endif %}
The full log is available at
{{ log_url }}.
---
Email generated automatically by Patchew [https://patchew.org/].
Please send your feedback to patchew-devel@redhat.com
testing:
tests:
asan:
enabled: true
requirements: docker
timeout: 3600
script: |
#!/bin/bash
time make docker-test-debug@fedora TARGET_LIST=x86_64-softmmu J=14 NETWORK=1
docker-quick@centos7:
enabled: false
requirements: docker,x86_64
timeout: 3600
script: |
#!/bin/bash
time make docker-test-quick@centos7 SHOW_ENV=1 J=14 NETWORK=1
checkpatch:
enabled: true
requirements: ''
timeout: 600
script: |
#!/bin/bash
git rev-parse base > /dev/null || exit 0
git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram
./scripts/checkpatch.pl --mailback base..
docker-mingw@fedora:
enabled: true
requirements: docker,x86_64
timeout: 3600
script: |
#! /bin/bash
test "$(uname -m)" = "x86_64"
ppcle:
enabled: false
requirements: ppcle
timeout: 3600
script: |
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
echo
echo "=== ENV ==="
env
echo
echo "=== PACKAGES ==="
rpm -qa
ppcbe:
enabled: false
requirements: ppcbe
timeout: 3600
script: |
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
echo
echo "=== ENV ==="
env
echo
echo "=== PACKAGES ==="
rpm -qa
FreeBSD:
enabled: true
requirements: qemu-x86,x86_64,git
timeout: 3600
script: |
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
if qemu-system-x86_64 --help >/dev/null 2>&1; then
QEMU=qemu-system-x86_64
elif /usr/libexec/qemu-kvm --help >/dev/null 2>&1; then
QEMU=/usr/libexec/qemu-kvm
else
exit 1
fi
make vm-build-freebsd J=21 QEMU=$QEMU
exit 0
docker-clang@ubuntu:
enabled: true
requirements: docker,x86_64
timeout: 3600
script: |
#!/bin/bash
time make docker-test-clang@ubuntu SHOW_ENV=1 J=14 NETWORK=1
s390x:
enabled: true
requirements: s390x
timeout: 3600
script: |
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
echo
echo "=== ENV ==="
env
echo
echo "=== PACKAGES ==="
rpm -qa
requirements:
x86_64:
script: |
#! /bin/bash
test "$(uname -m)" = "x86_64"
qemu-x86:
script: |
#!/bin/bash
if qemu-system-x86_64 --help >/dev/null 2>&1; then
:
elif /usr/libexec/qemu-kvm --help >/dev/null 2>&1; then
:
else
exit 1
fi
ppcle:
script: |
#!/bin/bash
test "$(uname -m)" = "ppc64le"
ppcbe:
script: |
#!/bin/bash
test "$(uname -m)" = "ppc64"
git:
script: |
#! /bin/bash
git config user.name > /dev/null 2>&1
docker:
script: |
#!/bin/bash
docker ps || sudo -n docker ps
s390x:
script: |
#!/bin/bash
test "$(uname -m)" = "s390x"
git:
push_to: git@github.com:patchew-project/qemu
public_repo: https://github.com/patchew-project/qemu
url_template: https://github.com/patchew-project/qemu/tree/%t
+67 -274
View File
@@ -1,24 +1,14 @@
# The current Travis default is a VM based 16.04 Xenial on GCE
# The current Travis default is a container based 14.04 Trust on EC2
# Additional builds with specific requirements for a full VM need to
# be added as additional matrix: entries later on
dist: xenial
sudo: false
dist: trusty
language: c
python:
- "2.6"
compiler:
- gcc
cache:
# There is one cache per branch and compiler version.
# characteristics of each job are used to identify the cache:
# - OS name (currently, linux, osx, or windows)
# - OS distribution (for Linux, xenial, trusty, or precise)
# - macOS image name (e.g., xcode7.2)
# - Names and values of visible environment variables set in .travis.yml or Settings panel
timeout: 1200
ccache: true
pip: true
directories:
- $HOME/avocado/data/cache
cache: ccache
addons:
apt:
packages:
@@ -26,10 +16,9 @@ addons:
- libaio-dev
- libattr1-dev
- libbrlapi-dev
- libcap-dev
- libcap-ng-dev
- libgcc-4.8-dev
- libgnutls28-dev
- libgnutls-dev
- libgtk-3-dev
- libiscsi-dev
- liblttng-ust-dev
@@ -37,29 +26,19 @@ addons:
- libnfs-dev
- libnss3-dev
- libpixman-1-dev
- libpng-dev
- libpng12-dev
- librados-dev
- libsdl2-dev
- libsdl2-image-dev
- libsdl1.2-dev
- libseccomp-dev
- libspice-protocol-dev
- libspice-server-dev
- libssh-dev
- libssh2-1-dev
- liburcu-dev
- libusb-1.0-0-dev
- libvdeplug-dev
- libvte-2.91-dev
- libvte-2.90-dev
- sparse
- uuid-dev
- gcovr
homebrew:
packages:
- ccache
- glib
- pixman
- gnu-sed
update: true
# The channel name "irc.oftc.net#qemu" is encrypted against qemu/qemu
# to prevent IRC notifications from forks. This was created using:
@@ -70,215 +49,74 @@ notifications:
- secure: "F7GDRgjuOo5IUyRLqSkmDL7kvdU4UcH3Lm/W2db2JnDHTGCqgEdaYEYKciyCLZ57vOTsTsOgesN8iUT7hNHBd1KWKjZe9KDTZWppWRYVwAwQMzVeSOsbbU4tRoJ6Pp+3qhH1Z0eGYR9ZgKYAoTumDFgSAYRp4IscKS8jkoedOqM="
on_success: change
on_failure: always
env:
global:
- SRC_DIR="."
- BUILD_DIR="."
- BASE_CONFIG="--disable-docs --disable-tools"
- TEST_CMD="make check V=1"
# This is broadly a list of "mainline" softmmu targets which have support across the major distros
- MAIN_SOFTMMU_TARGETS="aarch64-softmmu,mips64-softmmu,ppc64-softmmu,riscv64-softmmu,s390x-softmmu,x86_64-softmmu"
- CCACHE_SLOPPINESS="include_file_ctime,include_file_mtime"
- CCACHE_MAXSIZE=1G
- TEST_CMD="make check"
- MAKEFLAGS="-j3"
matrix:
- CONFIG="--disable-system"
- CONFIG="--disable-user"
- CONFIG="--enable-debug --enable-debug-tcg"
- CONFIG="--disable-linux-aio --disable-cap-ng --disable-attr --disable-brlapi --disable-uuid --disable-libusb --disable-user"
- CONFIG="--enable-modules --disable-linux-user"
- CONFIG="--with-coroutine=ucontext --disable-linux-user"
- CONFIG="--with-coroutine=sigaltstack --disable-linux-user"
git:
# we want to do this ourselves
submodules: false
before_install:
- if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update ; fi
- if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install libffi gettext glib pixman ; fi
- git submodule update --init --recursive capstone dtc ui/keycodemapdb
before_script:
- if [ "$TRAVIS_OS_NAME" == "osx" ] ; then export PATH="/usr/local/opt/ccache/libexec:$PATH" ; fi
- if command -v ccache ; then ccache --zero-stats ; fi
- mkdir -p ${BUILD_DIR} && cd ${BUILD_DIR}
- ${SRC_DIR}/configure ${BASE_CONFIG} ${CONFIG} || { cat config.log && exit 1; }
- ${SRC_DIR}/configure ${CONFIG} || { cat config.log && exit 1; }
script:
- make -j3 && travis_retry ${TEST_CMD}
after_script:
- if command -v ccache ; then ccache --show-stats ; fi
- make ${MAKEFLAGS} && ${TEST_CMD}
matrix:
include:
- env:
- CONFIG="--disable-system --static"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
# we split the system builds as it takes a while to build them all
- env:
- CONFIG="--disable-user --target-list=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
- env:
- CONFIG="--disable-user --target-list-exclude=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
# Just build tools and run minimal unit and softfloat checks
- env:
- BASE_CONFIG="--enable-tools"
- CONFIG="--disable-user --disable-system"
- TEST_CMD="make check-unit check-softfloat -j3"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
# --enable-debug implies --enable-debug-tcg, also runs quite a bit slower
- env:
- CONFIG="--enable-debug --target-list=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug"
# TCG debug can be run just on its own and is mostly agnostic to user/softmmu distinctions
- env:
- CONFIG="--enable-debug-tcg --disable-system"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug-tcg"
- env:
- CONFIG="--disable-linux-aio --disable-cap-ng --disable-attr --disable-brlapi --disable-libusb --disable-replication --target-list=${MAIN_SOFTMMU_TARGETS}"
# Module builds are mostly of interest to major distros
- env:
- CONFIG="--enable-modules --target-list=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
# Alternate coroutines implementations are only really of interest to KVM users
# However we can't test against KVM on Travis so we can only run unit tests
- env:
- CONFIG="--with-coroutine=ucontext --disable-tcg"
- TEST_CMD="make check-unit -j3 V=1"
- env:
- CONFIG="--with-coroutine=sigaltstack --disable-tcg"
- TEST_CMD="make check-unit -j3 V=1"
# Check we can build docs and tools (out of tree)
- env:
- BUILD_DIR="out-of-tree/build/dir" SRC_DIR="../../.."
- BASE_CONFIG="--enable-tools --enable-docs"
- CONFIG="--target-list=x86_64-softmmu,aarch64-linux-user"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
addons:
apt:
packages:
- python-sphinx
- texinfo
- perl
# Test out-of-tree builds
- env: CONFIG="--enable-debug --enable-debug-tcg"
BUILD_DIR="out-of-tree/build/dir" SRC_DIR="../../.."
# Test with Clang for compile portability (Travis uses clang-5.0)
- env:
- CONFIG="--disable-system"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-clang-default"
- env: CONFIG="--disable-system"
compiler: clang
- env:
- CONFIG="--disable-user --target-list=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-clang-default"
- env: CONFIG="--disable-user"
compiler: clang
- env:
- CONFIG="--target-list=${MAIN_SOFTMMU_TARGETS} "
- CACHE_NAME="${TRAVIS_BRANCH}-linux-clang-sanitize"
compiler: clang
before_script:
- ./configure ${CONFIG} --extra-cflags="-fsanitize=undefined -Werror" || { cat config.log && exit 1; }
- env:
- CONFIG="--disable-user --target-list-exclude=${MAIN_SOFTMMU_TARGETS}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-clang-default"
compiler: clang
# gprof/gcov are GCC features
- env:
- CONFIG="--enable-gprof --enable-gcov --disable-pie --target-list=${MAIN_SOFTMMU_TARGETS}"
- env: CONFIG="--enable-gprof --enable-gcov --disable-pie --target-list=aarch64-softmmu,arm-softmmu,i386-softmmu,mips-softmmu,mips64-softmmu,ppc64-softmmu,riscv64-softmmu,s390x-softmmu,x86_64-softmmu"
after_success:
- ${SRC_DIR}/scripts/travis/coverage-summary.sh
compiler: gcc
# We manually include builds which we disable "make check" for
- env:
- CONFIG="--without-default-devices --disable-user"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
- TEST_CMD=""
# We manually include builds which we disable "make check" for
- env:
- CONFIG="--enable-debug --enable-tcg-interpreter"
- TEST_CMD=""
- env: CONFIG="--enable-debug --enable-tcg-interpreter"
TEST_CMD=""
compiler: gcc
# We don't need to exercise every backend with every front-end
- env:
- CONFIG="--enable-trace-backends=log,simple,syslog --disable-system"
- TEST_CMD=""
- env:
- CONFIG="--enable-trace-backends=ftrace --target-list=x86_64-softmmu"
- TEST_CMD=""
- env:
- CONFIG="--enable-trace-backends=ust --target-list=x86_64-softmmu"
- TEST_CMD=""
# MacOSX builds - cirrus.yml also tests some MacOS builds including latest Xcode
- env:
- CONFIG="--target-list=i386-softmmu,ppc-softmmu,ppc64-softmmu,m68k-softmmu,x86_64-softmmu"
- env: CONFIG="--enable-trace-backends=log,simple,syslog --disable-system"
TEST_CMD=""
compiler: gcc
- env: CONFIG="--enable-trace-backends=ftrace --target-list=x86_64-softmmu"
TEST_CMD=""
compiler: gcc
- env: CONFIG="--enable-trace-backends=ust --target-list=x86_64-softmmu"
TEST_CMD=""
compiler: gcc
- env: CONFIG="--disable-tcg"
TEST_CMD=""
compiler: gcc
- env: CONFIG=""
os: osx
osx_image: xcode10.3
compiler: clang
# Python builds
- env:
- CONFIG="--target-list=x86_64-softmmu"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
language: python
- env: CONFIG="--target-list=x86_64-softmmu"
python:
- "3.4"
- env:
- CONFIG="--target-list=x86_64-softmmu"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
language: python
- "3.0"
- env: CONFIG="--target-list=x86_64-softmmu"
python:
- "3.6"
# Acceptance (Functional) tests
- env:
- CONFIG="--python=/usr/bin/python3 --target-list=x86_64-softmmu,mips-softmmu,mips64el-softmmu,aarch64-softmmu,arm-softmmu,s390x-softmmu,alpha-softmmu,ppc-softmmu,ppc64-softmmu,m68k-softmmu,sparc-softmmu"
- TEST_CMD="make check-acceptance"
after_failure:
- cat tests/results/latest/job.log
addons:
apt:
packages:
- python3-pil
- python3-pip
- python3.5-venv
- tesseract-ocr
- tesseract-ocr-eng
# Using newer GCC with sanitizers
- addons:
apt:
@@ -288,8 +126,8 @@ matrix:
- ubuntu-toolchain-r-test
packages:
# Extra toolchains
- gcc-9
- g++-9
- gcc-7
- g++-7
# Build dependencies
- libaio-dev
- libattr1-dev
@@ -305,74 +143,29 @@ matrix:
- libpixman-1-dev
- libpng12-dev
- librados-dev
- libsdl2-dev
- libsdl2-image-dev
- libsdl1.2-dev
- libseccomp-dev
- libspice-protocol-dev
- libspice-server-dev
- libssh-dev
- libssh2-1-dev
- liburcu-dev
- libusb-1.0-0-dev
- libvte-2.91-dev
- libvte-2.90-dev
- sparse
- uuid-dev
language: generic
compiler: none
env:
- COMPILER_NAME=gcc CXX=g++-9 CC=gcc-9
- CONFIG="--cc=gcc-9 --cxx=g++-9 --disable-pie --disable-linux-user"
- COMPILER_NAME=gcc CXX=g++-7 CC=gcc-7
- CONFIG="--cc=gcc-7 --cxx=g++-7 --disable-pie --disable-linux-user"
- TEST_CMD=""
before_script:
- ./configure ${CONFIG} --extra-cflags="-g3 -O0 -Wno-error=stringop-truncation -fsanitize=thread -fuse-ld=gold" || { cat config.log && exit 1; }
# Run check-tcg against linux-user
- ./configure ${CONFIG} --extra-cflags="-g3 -O0 -fsanitize=thread -fuse-ld=gold" || { cat config.log && exit 1; }
- env:
- CONFIG="--disable-system --enable-debug-tcg"
- TEST_CMD="make -j3 check-tcg V=1"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug-tcg"
# Run check-tcg against linux-user (with plugins)
# we skip sparc64-linux-user until it has been fixed somewhat
- env:
- CONFIG="--disable-system --enable-plugins --enable-debug-tcg --target-list-exclude=sparc64-linux-user"
- TEST_CMD="make -j3 check-tcg V=1"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug-tcg"
# Run check-tcg against softmmu targets
- env:
- CONFIG="--enable-debug-tcg --target-list=xtensa-softmmu,arm-softmmu,aarch64-softmmu,alpha-softmmu"
- TEST_CMD="make -j3 check-tcg V=1"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug-tcg"
# Run check-tcg against softmmu targets (with plugins)
- env:
- CONFIG="--enable-plugins --enable-debug-tcg --target-list=xtensa-softmmu,arm-softmmu,aarch64-softmmu,alpha-softmmu"
- TEST_CMD="make -j3 check-tcg V=1"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-debug-tcg"
# Release builds
# The make-release script expect a QEMU version, so our tag must start with a 'v'.
# This is the case when release candidate tags are created.
- if: tag IS present AND tag =~ /^v\d+\.\d+(\.\d+)?(-\S*)?$/
env:
# We want to build from the release tarball
- BUILD_DIR="release/build/dir" SRC_DIR="../../.."
- BASE_CONFIG="--prefix=$PWD/dist"
- CONFIG="--target-list=x86_64-softmmu,aarch64-softmmu,armeb-linux-user,ppc-linux-user"
- TEST_CMD="make install -j3"
- QEMU_VERSION="${TRAVIS_TAG:1}"
- CACHE_NAME="${TRAVIS_BRANCH}-linux-gcc-default"
before_script:
- command -v ccache && ccache --zero-stats
- mkdir -p ${BUILD_DIR} && cd ${BUILD_DIR}
- CONFIG="--disable-system --disable-docs"
- TEST_CMD="make check-tcg"
script:
- make -C ${SRC_DIR} qemu-${QEMU_VERSION}.tar.bz2
- ls -l ${SRC_DIR}/qemu-${QEMU_VERSION}.tar.bz2
- tar -xf ${SRC_DIR}/qemu-${QEMU_VERSION}.tar.bz2 && cd qemu-${QEMU_VERSION}
- ./configure ${BASE_CONFIG} ${CONFIG} || { cat config.log && exit 1; }
- make install
- make ${MAKEFLAGS} && ${TEST_CMD} ${MAKEFLAGS}
sudo: required
dist: trusty
compiler: gcc
+177
View File
@@ -0,0 +1,177 @@
QEMU Coding Style
=================
Please use the script checkpatch.pl in the scripts directory to check
patches before submitting.
1. Whitespace
Of course, the most important aspect in any coding style is whitespace.
Crusty old coders who have trouble spotting the glasses on their noses
can tell the difference between a tab and eight spaces from a distance
of approximately fifteen parsecs. Many a flamewar has been fought and
lost on this issue.
QEMU indents are four spaces. Tabs are never used, except in Makefiles
where they have been irreversibly coded into the syntax.
Spaces of course are superior to tabs because:
- You have just one way to specify whitespace, not two. Ambiguity breeds
mistakes.
- The confusion surrounding 'use tabs to indent, spaces to justify' is gone.
- Tab indents push your code to the right, making your screen seriously
unbalanced.
- Tabs will be rendered incorrectly on editors who are misconfigured not
to use tab stops of eight positions.
- Tabs are rendered badly in patches, causing off-by-one errors in almost
every line.
- It is the QEMU coding style.
Do not leave whitespace dangling off the ends of lines.
2. Line width
Lines should be 80 characters; try not to make them longer.
Sometimes it is hard to do, especially when dealing with QEMU subsystems
that use long function or symbol names. Even in that case, do not make
lines much longer than 80 characters.
Rationale:
- Some people like to tile their 24" screens with a 6x4 matrix of 80x24
xterms and use vi in all of them. The best way to punish them is to
let them keep doing it.
- Code and especially patches is much more readable if limited to a sane
line length. Eighty is traditional.
- The four-space indentation makes the most common excuse ("But look
at all that white space on the left!") moot.
- It is the QEMU coding style.
3. Naming
Variables are lower_case_with_underscores; easy to type and read. Structured
type names are in CamelCase; harder to type but standing out. Enum type
names and function type names should also be in CamelCase. Scalar type
names are lower_case_with_underscores_ending_with_a_t, like the POSIX
uint64_t and family. Note that this last convention contradicts POSIX
and is therefore likely to be changed.
When wrapping standard library functions, use the prefix qemu_ to alert
readers that they are seeing a wrapped version; otherwise avoid this prefix.
4. Block structure
Every indented statement is braced; even if the block contains just one
statement. The opening brace is on the line that contains the control
flow statement that introduces the new block; the closing brace is on the
same line as the else keyword, or on a line by itself if there is no else
keyword. Example:
if (a == 5) {
printf("a was 5.\n");
} else if (a == 6) {
printf("a was 6.\n");
} else {
printf("a was something else entirely.\n");
}
Note that 'else if' is considered a single statement; otherwise a long if/
else if/else if/.../else sequence would need an indent for every else
statement.
An exception is the opening brace for a function; for reasons of tradition
and clarity it comes on a line by itself:
void a_function(void)
{
do_something();
}
Rationale: a consistent (except for functions...) bracing style reduces
ambiguity and avoids needless churn when lines are added or removed.
Furthermore, it is the QEMU coding style.
5. Declarations
Mixed declarations (interleaving statements and declarations within
blocks) are generally not allowed; declarations should be at the beginning
of blocks.
Every now and then, an exception is made for declarations inside a
#ifdef or #ifndef block: if the code looks nicer, such declarations can
be placed at the top of the block even if there are statements above.
On the other hand, however, it's often best to move that #ifdef/#ifndef
block to a separate function altogether.
6. Conditional statements
When comparing a variable for (in)equality with a constant, list the
constant on the right, as in:
if (a == 1) {
/* Reads like: "If a equals 1" */
do_something();
}
Rationale: Yoda conditions (as in 'if (1 == a)') are awkward to read.
Besides, good compilers already warn users when '==' is mis-typed as '=',
even when the constant is on the right.
7. Comment style
We use traditional C-style /* */ comments and avoid // comments.
Rationale: The // form is valid in C99, so this is purely a matter of
consistency of style. The checkpatch script will warn you about this.
Multiline comment blocks should have a row of stars on the left,
and the initial /* and terminating */ both on their own lines:
/*
* like
* this
*/
This is the same format required by the Linux kernel coding style.
(Some of the existing comments in the codebase use the GNU Coding
Standards form which does not have stars on the left, or other
variations; avoid these when writing new comments, but don't worry
about converting to the preferred form unless you're editing that
comment anyway.)
Rationale: Consistency, and ease of visually picking out a multiline
comment from the surrounding code.
8. trace-events style
8.1 0x prefix
In trace-events files, use a '0x' prefix to specify hex numbers, as in:
some_trace(unsigned x, uint64_t y) "x 0x%x y 0x" PRIx64
An exception is made for groups of numbers that are hexadecimal by
convention and separated by the symbols '.', '/', ':', or ' ' (such as
PCI bus id):
another_trace(int cssid, int ssid, int dev_num) "bus id: %x.%x.%04x"
However, you can use '0x' for such groups if you want. Anyway, be sure that
it is obvious that numbers are in hex, ex.:
data_dump(uint8_t c1, uint8_t c2, uint8_t c3) "bytes (in hex): %02x %02x %02x"
Rationale: hex numbers are hard to read in logs when there is no 0x prefix,
especially when (occasionally) the representation doesn't contain any letters
and especially in one line with other decimal numbers. Number groups are allowed
to not use '0x' because for some things notations like %x.%x.%x are used not
only in Qemu. Also dumping raw data bytes with '0x' is less readable.
8.2 '#' printf flag
Do not use printf flag '#', like '%#x'.
Rationale: there are two ways to add a '0x' prefix to printed number: '0x%...'
and '%#...'. For consistency the only one way should be used. Arguments for
'0x%' are:
- it is more popular
- '%#' omits the 0x for the value 0 which makes output inconsistent
-641
View File
@@ -1,641 +0,0 @@
=================
QEMU Coding Style
=================
.. contents:: Table of Contents
Please use the script checkpatch.pl in the scripts directory to check
patches before submitting.
Formatting and style
********************
Whitespace
==========
Of course, the most important aspect in any coding style is whitespace.
Crusty old coders who have trouble spotting the glasses on their noses
can tell the difference between a tab and eight spaces from a distance
of approximately fifteen parsecs. Many a flamewar has been fought and
lost on this issue.
QEMU indents are four spaces. Tabs are never used, except in Makefiles
where they have been irreversibly coded into the syntax.
Spaces of course are superior to tabs because:
* You have just one way to specify whitespace, not two. Ambiguity breeds
mistakes.
* The confusion surrounding 'use tabs to indent, spaces to justify' is gone.
* Tab indents push your code to the right, making your screen seriously
unbalanced.
* Tabs will be rendered incorrectly on editors who are misconfigured not
to use tab stops of eight positions.
* Tabs are rendered badly in patches, causing off-by-one errors in almost
every line.
* It is the QEMU coding style.
Do not leave whitespace dangling off the ends of lines.
Multiline Indent
----------------
There are several places where indent is necessary:
* if/else
* while/for
* function definition & call
When breaking up a long line to fit within line width, we need a proper indent
for the following lines.
In case of if/else, while/for, align the secondary lines just after the
opening parenthesis of the first.
For example:
.. code-block:: c
if (a == 1 &&
b == 2) {
while (a == 1 &&
b == 2) {
In case of function, there are several variants:
* 4 spaces indent from the beginning
* align the secondary lines just after the opening parenthesis of the first
For example:
.. code-block:: c
do_something(x, y,
z);
do_something(x, y,
z);
do_something(x, do_another(y,
z));
Line width
==========
Lines should be 80 characters; try not to make them longer.
Sometimes it is hard to do, especially when dealing with QEMU subsystems
that use long function or symbol names. Even in that case, do not make
lines much longer than 80 characters.
Rationale:
* Some people like to tile their 24" screens with a 6x4 matrix of 80x24
xterms and use vi in all of them. The best way to punish them is to
let them keep doing it.
* Code and especially patches is much more readable if limited to a sane
line length. Eighty is traditional.
* The four-space indentation makes the most common excuse ("But look
at all that white space on the left!") moot.
* It is the QEMU coding style.
Naming
======
Variables are lower_case_with_underscores; easy to type and read. Structured
type names are in CamelCase; harder to type but standing out. Enum type
names and function type names should also be in CamelCase. Scalar type
names are lower_case_with_underscores_ending_with_a_t, like the POSIX
uint64_t and family. Note that this last convention contradicts POSIX
and is therefore likely to be changed.
When wrapping standard library functions, use the prefix ``qemu_`` to alert
readers that they are seeing a wrapped version; otherwise avoid this prefix.
Block structure
===============
Every indented statement is braced; even if the block contains just one
statement. The opening brace is on the line that contains the control
flow statement that introduces the new block; the closing brace is on the
same line as the else keyword, or on a line by itself if there is no else
keyword. Example:
.. code-block:: c
if (a == 5) {
printf("a was 5.\n");
} else if (a == 6) {
printf("a was 6.\n");
} else {
printf("a was something else entirely.\n");
}
Note that 'else if' is considered a single statement; otherwise a long if/
else if/else if/.../else sequence would need an indent for every else
statement.
An exception is the opening brace for a function; for reasons of tradition
and clarity it comes on a line by itself:
.. code-block:: c
void a_function(void)
{
do_something();
}
Rationale: a consistent (except for functions...) bracing style reduces
ambiguity and avoids needless churn when lines are added or removed.
Furthermore, it is the QEMU coding style.
Declarations
============
Mixed declarations (interleaving statements and declarations within
blocks) are generally not allowed; declarations should be at the beginning
of blocks.
Every now and then, an exception is made for declarations inside a
#ifdef or #ifndef block: if the code looks nicer, such declarations can
be placed at the top of the block even if there are statements above.
On the other hand, however, it's often best to move that #ifdef/#ifndef
block to a separate function altogether.
Conditional statements
======================
When comparing a variable for (in)equality with a constant, list the
constant on the right, as in:
.. code-block:: c
if (a == 1) {
/* Reads like: "If a equals 1" */
do_something();
}
Rationale: Yoda conditions (as in 'if (1 == a)') are awkward to read.
Besides, good compilers already warn users when '==' is mis-typed as '=',
even when the constant is on the right.
Comment style
=============
We use traditional C-style /``*`` ``*``/ comments and avoid // comments.
Rationale: The // form is valid in C99, so this is purely a matter of
consistency of style. The checkpatch script will warn you about this.
Multiline comment blocks should have a row of stars on the left,
and the initial /``*`` and terminating ``*``/ both on their own lines:
.. code-block:: c
/*
* like
* this
*/
This is the same format required by the Linux kernel coding style.
(Some of the existing comments in the codebase use the GNU Coding
Standards form which does not have stars on the left, or other
variations; avoid these when writing new comments, but don't worry
about converting to the preferred form unless you're editing that
comment anyway.)
Rationale: Consistency, and ease of visually picking out a multiline
comment from the surrounding code.
Language usage
**************
Preprocessor
============
Variadic macros
---------------
For variadic macros, stick with this C99-like syntax:
.. code-block:: c
#define DPRINTF(fmt, ...) \
do { printf("IRQ: " fmt, ## __VA_ARGS__); } while (0)
Include directives
------------------
Order include directives as follows:
.. code-block:: c
#include "qemu/osdep.h" /* Always first... */
#include <...> /* then system headers... */
#include "..." /* and finally QEMU headers. */
The "qemu/osdep.h" header contains preprocessor macros that affect the behavior
of core system headers like <stdint.h>. It must be the first include so that
core system headers included by external libraries get the preprocessor macros
that QEMU depends on.
Do not include "qemu/osdep.h" from header files since the .c file will have
already included it.
C types
=======
It should be common sense to use the right type, but we have collected
a few useful guidelines here.
Scalars
-------
If you're using "int" or "long", odds are good that there's a better type.
If a variable is counting something, it should be declared with an
unsigned type.
If it's host memory-size related, size_t should be a good choice (use
ssize_t only if required). Guest RAM memory offsets must use ram_addr_t,
but only for RAM, it may not cover whole guest address space.
If it's file-size related, use off_t.
If it's file-offset related (i.e., signed), use off_t.
If it's just counting small numbers use "unsigned int";
(on all but oddball embedded systems, you can assume that that
type is at least four bytes wide).
In the event that you require a specific width, use a standard type
like int32_t, uint32_t, uint64_t, etc. The specific types are
mandatory for VMState fields.
Don't use Linux kernel internal types like u32, __u32 or __le32.
Use hwaddr for guest physical addresses except pcibus_t
for PCI addresses. In addition, ram_addr_t is a QEMU internal address
space that maps guest RAM physical addresses into an intermediate
address space that can map to host virtual address spaces. Generally
speaking, the size of guest memory can always fit into ram_addr_t but
it would not be correct to store an actual guest physical address in a
ram_addr_t.
For CPU virtual addresses there are several possible types.
vaddr is the best type to use to hold a CPU virtual address in
target-independent code. It is guaranteed to be large enough to hold a
virtual address for any target, and it does not change size from target
to target. It is always unsigned.
target_ulong is a type the size of a virtual address on the CPU; this means
it may be 32 or 64 bits depending on which target is being built. It should
therefore be used only in target-specific code, and in some
performance-critical built-per-target core code such as the TLB code.
There is also a signed version, target_long.
abi_ulong is for the ``*``-user targets, and represents a type the size of
'void ``*``' in that target's ABI. (This may not be the same as the size of a
full CPU virtual address in the case of target ABIs which use 32 bit pointers
on 64 bit CPUs, like sparc32plus.) Definitions of structures that must match
the target's ABI must use this type for anything that on the target is defined
to be an 'unsigned long' or a pointer type.
There is also a signed version, abi_long.
Of course, take all of the above with a grain of salt. If you're about
to use some system interface that requires a type like size_t, pid_t or
off_t, use matching types for any corresponding variables.
Also, if you try to use e.g., "unsigned int" as a type, and that
conflicts with the signedness of a related variable, sometimes
it's best just to use the *wrong* type, if "pulling the thread"
and fixing all related variables would be too invasive.
Finally, while using descriptive types is important, be careful not to
go overboard. If whatever you're doing causes warnings, or requires
casts, then reconsider or ask for help.
Pointers
--------
Ensure that all of your pointers are "const-correct".
Unless a pointer is used to modify the pointed-to storage,
give it the "const" attribute. That way, the reader knows
up-front that this is a read-only pointer. Perhaps more
importantly, if we're diligent about this, when you see a non-const
pointer, you're guaranteed that it is used to modify the storage
it points to, or it is aliased to another pointer that is.
Typedefs
--------
Typedefs are used to eliminate the redundant 'struct' keyword, since type
names have a different style than other identifiers ("CamelCase" versus
"snake_case"). Each named struct type should have a CamelCase name and a
corresponding typedef.
Since certain C compilers choke on duplicated typedefs, you should avoid
them and declare a typedef only in one header file. For common types,
you can use "include/qemu/typedefs.h" for example. However, as a matter
of convenience it is also perfectly fine to use forward struct
definitions instead of typedefs in headers and function prototypes; this
avoids problems with duplicated typedefs and reduces the need to include
headers from other headers.
Reserved namespaces in C and POSIX
----------------------------------
Underscore capital, double underscore, and underscore 't' suffixes should be
avoided.
Low level memory management
===========================
Use of the malloc/free/realloc/calloc/valloc/memalign/posix_memalign
APIs is not allowed in the QEMU codebase. Instead of these routines,
use the GLib memory allocation routines g_malloc/g_malloc0/g_new/
g_new0/g_realloc/g_free or QEMU's qemu_memalign/qemu_blockalign/qemu_vfree
APIs.
Please note that g_malloc will exit on allocation failure, so there
is no need to test for failure (as you would have to with malloc).
Calling g_malloc with a zero size is valid and will return NULL.
Prefer g_new(T, n) instead of g_malloc(sizeof(T) ``*`` n) for the following
reasons:
* It catches multiplication overflowing size_t;
* It returns T ``*`` instead of void ``*``, letting compiler catch more type errors.
Declarations like
.. code-block:: c
T *v = g_malloc(sizeof(*v))
are acceptable, though.
Memory allocated by qemu_memalign or qemu_blockalign must be freed with
qemu_vfree, since breaking this will cause problems on Win32.
String manipulation
===================
Do not use the strncpy function. As mentioned in the man page, it does *not*
guarantee a NULL-terminated buffer, which makes it extremely dangerous to use.
It also zeros trailing destination bytes out to the specified length. Instead,
use this similar function when possible, but note its different signature:
.. code-block:: c
void pstrcpy(char *dest, int dest_buf_size, const char *src)
Don't use strcat because it can't check for buffer overflows, but:
.. code-block:: c
char *pstrcat(char *buf, int buf_size, const char *s)
The same limitation exists with sprintf and vsprintf, so use snprintf and
vsnprintf.
QEMU provides other useful string functions:
.. code-block:: c
int strstart(const char *str, const char *val, const char **ptr)
int stristart(const char *str, const char *val, const char **ptr)
int qemu_strnlen(const char *s, int max_len)
There are also replacement character processing macros for isxyz and toxyz,
so instead of e.g. isalnum you should use qemu_isalnum.
Because of the memory management rules, you must use g_strdup/g_strndup
instead of plain strdup/strndup.
Printf-style functions
======================
Whenever you add a new printf-style function, i.e., one with a format
string argument and following "..." in its prototype, be sure to use
gcc's printf attribute directive in the prototype.
This makes it so gcc's -Wformat and -Wformat-security options can do
their jobs and cross-check format strings with the number and types
of arguments.
C standard, implementation defined and undefined behaviors
==========================================================
C code in QEMU should be written to the C99 language specification. A copy
of the final version of the C99 standard with corrigenda TC1, TC2, and TC3
included, formatted as a draft, can be downloaded from:
`<http://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf>`_
The C language specification defines regions of undefined behavior and
implementation defined behavior (to give compiler authors enough leeway to
produce better code). In general, code in QEMU should follow the language
specification and avoid both undefined and implementation defined
constructs. ("It works fine on the gcc I tested it with" is not a valid
argument...) However there are a few areas where we allow ourselves to
assume certain behaviors because in practice all the platforms we care about
behave in the same way and writing strictly conformant code would be
painful. These are:
* you may assume that integers are 2s complement representation
* you may assume that right shift of a signed integer duplicates
the sign bit (ie it is an arithmetic shift, not a logical shift)
In addition, QEMU assumes that the compiler does not use the latitude
given in C99 and C11 to treat aspects of signed '<<' as undefined, as
documented in the GNU Compiler Collection manual starting at version 4.0.
Automatic memory deallocation
=============================
QEMU has a mandatory dependency either the GCC or CLang compiler. As
such it has the freedom to make use of a C language extension for
automatically running a cleanup function when a stack variable goes
out of scope. This can be used to simplify function cleanup paths,
often allowing many goto jumps to be eliminated, through automatic
free'ing of memory.
The GLib2 library provides a number of functions/macros for enabling
automatic cleanup:
`<https://developer.gnome.org/glib/stable/glib-Miscellaneous-Macros.html>`_
Most notably:
* g_autofree - will invoke g_free() on the variable going out of scope
* g_autoptr - for structs / objects, will invoke the cleanup func created
by a previous use of G_DEFINE_AUTOPTR_CLEANUP_FUNC. This is
supported for most GLib data types and GObjects
For example, instead of
.. code-block:: c
int somefunc(void) {
int ret = -1;
char *foo = g_strdup_printf("foo%", "wibble");
GList *bar = .....
if (eek) {
goto cleanup;
}
ret = 0;
cleanup:
g_free(foo);
g_list_free(bar);
return ret;
}
Using g_autofree/g_autoptr enables the code to be written as:
.. code-block:: c
int somefunc(void) {
g_autofree char *foo = g_strdup_printf("foo%", "wibble");
g_autoptr (GList) bar = .....
if (eek) {
return -1;
}
return 0;
}
While this generally results in simpler, less leak-prone code, there
are still some caveats to beware of
* Variables declared with g_auto* MUST always be initialized,
otherwise the cleanup function will use uninitialized stack memory
* If a variable declared with g_auto* holds a value which must
live beyond the life of the function, that value must be saved
and the original variable NULL'd out. This can be simpler using
g_steal_pointer
.. code-block:: c
char *somefunc(void) {
g_autofree char *foo = g_strdup_printf("foo%", "wibble");
g_autoptr (GList) bar = .....
if (eek) {
return NULL;
}
return g_steal_pointer(&foo);
}
QEMU Specific Idioms
********************
Error handling and reporting
============================
Reporting errors to the human user
----------------------------------
Do not use printf(), fprintf() or monitor_printf(). Instead, use
error_report() or error_vreport() from error-report.h. This ensures the
error is reported in the right place (current monitor or stderr), and in
a uniform format.
Use error_printf() & friends to print additional information.
error_report() prints the current location. In certain common cases
like command line parsing, the current location is tracked
automatically. To manipulate it manually, use the loc_``*``() from
error-report.h.
Propagating errors
------------------
An error can't always be reported to the user right where it's detected,
but often needs to be propagated up the call chain to a place that can
handle it. This can be done in various ways.
The most flexible one is Error objects. See error.h for usage
information.
Use the simplest suitable method to communicate success / failure to
callers. Stick to common methods: non-negative on success / -1 on
error, non-negative / -errno, non-null / null, or Error objects.
Example: when a function returns a non-null pointer on success, and it
can fail only in one way (as far as the caller is concerned), returning
null on failure is just fine, and certainly simpler and a lot easier on
the eyes than propagating an Error object through an Error ``*````*`` parameter.
Example: when a function's callers need to report details on failure
only the function really knows, use Error ``*````*``, and set suitable errors.
Do not report an error to the user when you're also returning an error
for somebody else to handle. Leave the reporting to the place that
consumes the error returned.
Handling errors
---------------
Calling exit() is fine when handling configuration errors during
startup. It's problematic during normal operation. In particular,
monitor commands should never exit().
Do not call exit() or abort() to handle an error that can be triggered
by the guest (e.g., some unimplemented corner case in guest code
translation or device emulation). Guests should not be able to
terminate QEMU.
Note that &error_fatal is just another way to exit(1), and &error_abort
is just another way to abort().
trace-events style
==================
0x prefix
---------
In trace-events files, use a '0x' prefix to specify hex numbers, as in:
.. code-block::
some_trace(unsigned x, uint64_t y) "x 0x%x y 0x" PRIx64
An exception is made for groups of numbers that are hexadecimal by
convention and separated by the symbols '.', '/', ':', or ' ' (such as
PCI bus id):
.. code-block::
another_trace(int cssid, int ssid, int dev_num) "bus id: %x.%x.%04x"
However, you can use '0x' for such groups if you want. Anyway, be sure that
it is obvious that numbers are in hex, ex.:
.. code-block::
data_dump(uint8_t c1, uint8_t c2, uint8_t c3) "bytes (in hex): %02x %02x %02x"
Rationale: hex numbers are hard to read in logs when there is no 0x prefix,
especially when (occasionally) the representation doesn't contain any letters
and especially in one line with other decimal numbers. Number groups are allowed
to not use '0x' because for some things notations like %x.%x.%x are used not
only in Qemu. Also dumping raw data bytes with '0x' is less readable.
'#' printf flag
---------------
Do not use printf flag '#', like '%#x'.
Rationale: there are two ways to add a '0x' prefix to printed number: '0x%...'
and '%#...'. For consistency the only one way should be used. Arguments for
'0x%' are:
* it is more popular
* '%#' omits the 0x for the value 0 which makes output inconsistent
+12 -10
View File
@@ -1,8 +1,8 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@@ -10,7 +10,7 @@
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
@@ -112,7 +112,7 @@ modification follow. Pay close attention to the difference between a
former contains code derived from the library, whereas the latter must
be combined with the library in order to run.
GNU LESSER GENERAL PUBLIC LICENSE
GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any software library or other
@@ -146,7 +146,7 @@ such a program is covered only if its contents constitute a work based
on the Library (independent of the use of the Library in a tool for
writing it). Whether that is true depends on what the Library does
and what the program that uses the Library does.
1. You may copy and distribute verbatim copies of the Library's
complete source code as you receive it, in any medium, provided that
you conspicuously and appropriately publish on each copy an
@@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status
of all derivatives of our free software and of promoting the sharing
and reuse of software generally.
NO WARRANTY
NO WARRANTY
15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
@@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
END OF TERMS AND CONDITIONS
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
@@ -476,7 +476,7 @@ convey the exclusion of warranty; and each file should have at least the
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -485,7 +485,7 @@ convey the exclusion of warranty; and each file should have at least the
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
@@ -500,3 +500,5 @@ necessary. Here is a sample; alter the names:
Ty Coon, President of Vice
That's all there is to it!
+245
View File
@@ -0,0 +1,245 @@
1. Preprocessor
1.1. Variadic macros
For variadic macros, stick with this C99-like syntax:
#define DPRINTF(fmt, ...) \
do { printf("IRQ: " fmt, ## __VA_ARGS__); } while (0)
1.2. Include directives
Order include directives as follows:
#include "qemu/osdep.h" /* Always first... */
#include <...> /* then system headers... */
#include "..." /* and finally QEMU headers. */
The "qemu/osdep.h" header contains preprocessor macros that affect the behavior
of core system headers like <stdint.h>. It must be the first include so that
core system headers included by external libraries get the preprocessor macros
that QEMU depends on.
Do not include "qemu/osdep.h" from header files since the .c file will have
already included it.
2. C types
It should be common sense to use the right type, but we have collected
a few useful guidelines here.
2.1. Scalars
If you're using "int" or "long", odds are good that there's a better type.
If a variable is counting something, it should be declared with an
unsigned type.
If it's host memory-size related, size_t should be a good choice (use
ssize_t only if required). Guest RAM memory offsets must use ram_addr_t,
but only for RAM, it may not cover whole guest address space.
If it's file-size related, use off_t.
If it's file-offset related (i.e., signed), use off_t.
If it's just counting small numbers use "unsigned int";
(on all but oddball embedded systems, you can assume that that
type is at least four bytes wide).
In the event that you require a specific width, use a standard type
like int32_t, uint32_t, uint64_t, etc. The specific types are
mandatory for VMState fields.
Don't use Linux kernel internal types like u32, __u32 or __le32.
Use hwaddr for guest physical addresses except pcibus_t
for PCI addresses. In addition, ram_addr_t is a QEMU internal address
space that maps guest RAM physical addresses into an intermediate
address space that can map to host virtual address spaces. Generally
speaking, the size of guest memory can always fit into ram_addr_t but
it would not be correct to store an actual guest physical address in a
ram_addr_t.
For CPU virtual addresses there are several possible types.
vaddr is the best type to use to hold a CPU virtual address in
target-independent code. It is guaranteed to be large enough to hold a
virtual address for any target, and it does not change size from target
to target. It is always unsigned.
target_ulong is a type the size of a virtual address on the CPU; this means
it may be 32 or 64 bits depending on which target is being built. It should
therefore be used only in target-specific code, and in some
performance-critical built-per-target core code such as the TLB code.
There is also a signed version, target_long.
abi_ulong is for the *-user targets, and represents a type the size of
'void *' in that target's ABI. (This may not be the same as the size of a
full CPU virtual address in the case of target ABIs which use 32 bit pointers
on 64 bit CPUs, like sparc32plus.) Definitions of structures that must match
the target's ABI must use this type for anything that on the target is defined
to be an 'unsigned long' or a pointer type.
There is also a signed version, abi_long.
Of course, take all of the above with a grain of salt. If you're about
to use some system interface that requires a type like size_t, pid_t or
off_t, use matching types for any corresponding variables.
Also, if you try to use e.g., "unsigned int" as a type, and that
conflicts with the signedness of a related variable, sometimes
it's best just to use the *wrong* type, if "pulling the thread"
and fixing all related variables would be too invasive.
Finally, while using descriptive types is important, be careful not to
go overboard. If whatever you're doing causes warnings, or requires
casts, then reconsider or ask for help.
2.2. Pointers
Ensure that all of your pointers are "const-correct".
Unless a pointer is used to modify the pointed-to storage,
give it the "const" attribute. That way, the reader knows
up-front that this is a read-only pointer. Perhaps more
importantly, if we're diligent about this, when you see a non-const
pointer, you're guaranteed that it is used to modify the storage
it points to, or it is aliased to another pointer that is.
2.3. Typedefs
Typedefs are used to eliminate the redundant 'struct' keyword.
2.4. Reserved namespaces in C and POSIX
Underscore capital, double underscore, and underscore 't' suffixes should be
avoided.
3. Low level memory management
Use of the malloc/free/realloc/calloc/valloc/memalign/posix_memalign
APIs is not allowed in the QEMU codebase. Instead of these routines,
use the GLib memory allocation routines g_malloc/g_malloc0/g_new/
g_new0/g_realloc/g_free or QEMU's qemu_memalign/qemu_blockalign/qemu_vfree
APIs.
Please note that g_malloc will exit on allocation failure, so there
is no need to test for failure (as you would have to with malloc).
Calling g_malloc with a zero size is valid and will return NULL.
Prefer g_new(T, n) instead of g_malloc(sizeof(T) * n) for the following
reasons:
a. It catches multiplication overflowing size_t;
b. It returns T * instead of void *, letting compiler catch more type
errors.
Declarations like T *v = g_malloc(sizeof(*v)) are acceptable, though.
Memory allocated by qemu_memalign or qemu_blockalign must be freed with
qemu_vfree, since breaking this will cause problems on Win32.
4. String manipulation
Do not use the strncpy function. As mentioned in the man page, it does *not*
guarantee a NULL-terminated buffer, which makes it extremely dangerous to use.
It also zeros trailing destination bytes out to the specified length. Instead,
use this similar function when possible, but note its different signature:
void pstrcpy(char *dest, int dest_buf_size, const char *src)
Don't use strcat because it can't check for buffer overflows, but:
char *pstrcat(char *buf, int buf_size, const char *s)
The same limitation exists with sprintf and vsprintf, so use snprintf and
vsnprintf.
QEMU provides other useful string functions:
int strstart(const char *str, const char *val, const char **ptr)
int stristart(const char *str, const char *val, const char **ptr)
int qemu_strnlen(const char *s, int max_len)
There are also replacement character processing macros for isxyz and toxyz,
so instead of e.g. isalnum you should use qemu_isalnum.
Because of the memory management rules, you must use g_strdup/g_strndup
instead of plain strdup/strndup.
5. Printf-style functions
Whenever you add a new printf-style function, i.e., one with a format
string argument and following "..." in its prototype, be sure to use
gcc's printf attribute directive in the prototype.
This makes it so gcc's -Wformat and -Wformat-security options can do
their jobs and cross-check format strings with the number and types
of arguments.
6. C standard, implementation defined and undefined behaviors
C code in QEMU should be written to the C99 language specification. A copy
of the final version of the C99 standard with corrigenda TC1, TC2, and TC3
included, formatted as a draft, can be downloaded from:
http://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf
The C language specification defines regions of undefined behavior and
implementation defined behavior (to give compiler authors enough leeway to
produce better code). In general, code in QEMU should follow the language
specification and avoid both undefined and implementation defined
constructs. ("It works fine on the gcc I tested it with" is not a valid
argument...) However there are a few areas where we allow ourselves to
assume certain behaviors because in practice all the platforms we care about
behave in the same way and writing strictly conformant code would be
painful. These are:
* you may assume that integers are 2s complement representation
* you may assume that right shift of a signed integer duplicates
the sign bit (ie it is an arithmetic shift, not a logical shift)
In addition, QEMU assumes that the compiler does not use the latitude
given in C99 and C11 to treat aspects of signed '<<' as undefined, as
documented in the GNU Compiler Collection manual starting at version 4.0.
7. Error handling and reporting
7.1 Reporting errors to the human user
Do not use printf(), fprintf() or monitor_printf(). Instead, use
error_report() or error_vreport() from error-report.h. This ensures the
error is reported in the right place (current monitor or stderr), and in
a uniform format.
Use error_printf() & friends to print additional information.
error_report() prints the current location. In certain common cases
like command line parsing, the current location is tracked
automatically. To manipulate it manually, use the loc_*() from
error-report.h.
7.2 Propagating errors
An error can't always be reported to the user right where it's detected,
but often needs to be propagated up the call chain to a place that can
handle it. This can be done in various ways.
The most flexible one is Error objects. See error.h for usage
information.
Use the simplest suitable method to communicate success / failure to
callers. Stick to common methods: non-negative on success / -1 on
error, non-negative / -errno, non-null / null, or Error objects.
Example: when a function returns a non-null pointer on success, and it
can fail only in one way (as far as the caller is concerned), returning
null on failure is just fine, and certainly simpler and a lot easier on
the eyes than propagating an Error object through an Error ** parameter.
Example: when a function's callers need to report details on failure
only the function really knows, use Error **, and set suitable errors.
Do not report an error to the user when you're also returning an error
for somebody else to handle. Leave the reporting to the place that
consumes the error returned.
7.3 Handling errors
Calling exit() is fine when handling configuration errors during
startup. It's problematic during normal operation. In particular,
monitor commands should never exit().
Do not call exit() or abort() to handle an error that can be triggered
by the guest (e.g., some unimplemented corner case in guest code
translation or device emulation). Guests should not be able to
terminate QEMU.
Note that &error_fatal is just another way to exit(1), and &error_abort
is just another way to abort().
-37
View File
@@ -1,37 +0,0 @@
# These are "proxy" symbols used to pass config-host.mak values
# down to Kconfig. See also MINIKCONF_ARGS in the Makefile:
# these two need to be kept in sync.
config KVM
bool
config LINUX
bool
config OPENGL
bool
config X11
bool
config SPICE
bool
config IVSHMEM
bool
config TPM
bool
config VHOST_USER
bool
config XEN
bool
select FSDEV_9P if VIRTFS
config VIRTFS
bool
config PVRDMA
bool
+10 -16
View File
@@ -1,26 +1,20 @@
The QEMU distribution includes both the QEMU emulator and
various firmware files. These are separate programs that are
distributed together for our users' convenience, and they have
separate licenses.
The following points clarify the QEMU license:
The following points clarify the license of the QEMU emulator:
1) QEMU as a whole is released under the GNU General Public License,
version 2.
1) The QEMU emulator as a whole is released under the GNU General
Public License, version 2.
2) Parts of the QEMU emulator have specific licenses which are compatible
with the GNU General Public License, version 2. Hence each source file
contains its own licensing information. Source files with no licensing
information are released under the GNU General Public License, version
2 or (at your option) any later version.
2) Parts of QEMU have specific licenses which are compatible with the
GNU General Public License, version 2. Hence each source file contains
its own licensing information. Source files with no licensing information
are released under the GNU General Public License, version 2 or (at your
option) any later version.
As of July 2013, contributions under version 2 of the GNU General Public
License (and no later version) are only accepted for the following files
or directories: bsd-user/, linux-user/, hw/vfio/, hw/xen/xen_pt*.
3) The Tiny Code Generator (TCG) is mostly under the BSD or MIT licenses;
but some parts may be GPLv2 or other licenses. Again, see the
specific licensing information in each source file.
3) The Tiny Code Generator (TCG) is released under the BSD license
(see license headers in files).
4) QEMU is a trademark of Fabrice Bellard.
+268 -784
View File
File diff suppressed because it is too large Load Diff
+294 -388
View File
File diff suppressed because it is too large Load Diff
+92 -40
View File
@@ -1,19 +1,71 @@
#######################################################################
# Common libraries for tools and emulators
stub-obj-y = stubs/ util/ crypto/
stub-obj-y = stubs/ crypto/
util-obj-y = util/ qobject/ qapi/
util-obj-y += qapi/qapi-builtin-types.o
util-obj-y += qapi/qapi-types.o
util-obj-y += qapi/qapi-types-block-core.o
util-obj-y += qapi/qapi-types-block.o
util-obj-y += qapi/qapi-types-char.o
util-obj-y += qapi/qapi-types-common.o
util-obj-y += qapi/qapi-types-crypto.o
util-obj-y += qapi/qapi-types-introspect.o
util-obj-y += qapi/qapi-types-job.o
util-obj-y += qapi/qapi-types-migration.o
util-obj-y += qapi/qapi-types-misc.o
util-obj-y += qapi/qapi-types-net.o
util-obj-y += qapi/qapi-types-rocker.o
util-obj-y += qapi/qapi-types-run-state.o
util-obj-y += qapi/qapi-types-sockets.o
util-obj-y += qapi/qapi-types-tpm.o
util-obj-y += qapi/qapi-types-trace.o
util-obj-y += qapi/qapi-types-transaction.o
util-obj-y += qapi/qapi-types-ui.o
util-obj-y += qapi/qapi-builtin-visit.o
util-obj-y += qapi/qapi-visit.o
util-obj-y += qapi/qapi-visit-block-core.o
util-obj-y += qapi/qapi-visit-block.o
util-obj-y += qapi/qapi-visit-char.o
util-obj-y += qapi/qapi-visit-common.o
util-obj-y += qapi/qapi-visit-crypto.o
util-obj-y += qapi/qapi-visit-introspect.o
util-obj-y += qapi/qapi-visit-job.o
util-obj-y += qapi/qapi-visit-migration.o
util-obj-y += qapi/qapi-visit-misc.o
util-obj-y += qapi/qapi-visit-net.o
util-obj-y += qapi/qapi-visit-rocker.o
util-obj-y += qapi/qapi-visit-run-state.o
util-obj-y += qapi/qapi-visit-sockets.o
util-obj-y += qapi/qapi-visit-tpm.o
util-obj-y += qapi/qapi-visit-trace.o
util-obj-y += qapi/qapi-visit-transaction.o
util-obj-y += qapi/qapi-visit-ui.o
util-obj-y += qapi/qapi-events.o
util-obj-y += qapi/qapi-events-block-core.o
util-obj-y += qapi/qapi-events-block.o
util-obj-y += qapi/qapi-events-char.o
util-obj-y += qapi/qapi-events-common.o
util-obj-y += qapi/qapi-events-crypto.o
util-obj-y += qapi/qapi-events-introspect.o
util-obj-y += qapi/qapi-events-job.o
util-obj-y += qapi/qapi-events-migration.o
util-obj-y += qapi/qapi-events-misc.o
util-obj-y += qapi/qapi-events-net.o
util-obj-y += qapi/qapi-events-rocker.o
util-obj-y += qapi/qapi-events-run-state.o
util-obj-y += qapi/qapi-events-sockets.o
util-obj-y += qapi/qapi-events-tpm.o
util-obj-y += qapi/qapi-events-trace.o
util-obj-y += qapi/qapi-events-transaction.o
util-obj-y += qapi/qapi-events-ui.o
util-obj-y += qapi/qapi-introspect.o
chardev-obj-y = chardev/
#######################################################################
# authz-obj-y is code used by both qemu system emulation and qemu-img
authz-obj-y = authz/
#######################################################################
# block-obj-y is code used by both qemu system emulation and qemu-img
block-obj-y = nbd/
block-obj-y += nbd/
block-obj-y += block.o blockjob.o job.o
block-obj-y += block/ scsi/
block-obj-y += qemu-io-cmds.o
@@ -25,7 +77,7 @@ block-obj-m = block/
# crypto-obj-y is code used by both qemu system emulation and qemu-img
crypto-obj-y = crypto/
crypto-user-obj-y = crypto/
crypto-aes-obj-y = crypto/
#######################################################################
# qom-obj-y is code used by both qemu system emulation and qemu-img
@@ -45,9 +97,7 @@ io-obj-y = io/
ifeq ($(CONFIG_SOFTMMU),y)
common-obj-y = blockdev.o blockdev-nbd.o block/
common-obj-y += bootdevice.o iothread.o
common-obj-y += dump/
common-obj-y += job-qmp.o
common-obj-y += monitor/
common-obj-y += net/
common-obj-y += qdev-monitor.o device-hotplug.o
common-obj-$(CONFIG_WIN32) += os-win32.o
@@ -73,6 +123,8 @@ common-obj-y += vl.o
vl.o-cflags := $(GPROF_CFLAGS) $(SDL_CFLAGS)
common-obj-$(CONFIG_TPM) += tpm.o
common-obj-$(CONFIG_SLIRP) += slirp/
common-obj-y += backends/
common-obj-y += chardev/
@@ -85,7 +137,26 @@ common-obj-$(CONFIG_FDT) += device_tree.o
######################################################################
# qapi
common-obj-y += qapi/
common-obj-y += qapi/qapi-commands.o
common-obj-y += qapi/qapi-commands-block-core.o
common-obj-y += qapi/qapi-commands-block.o
common-obj-y += qapi/qapi-commands-char.o
common-obj-y += qapi/qapi-commands-common.o
common-obj-y += qapi/qapi-commands-crypto.o
common-obj-y += qapi/qapi-commands-introspect.o
common-obj-y += qapi/qapi-commands-job.o
common-obj-y += qapi/qapi-commands-migration.o
common-obj-y += qapi/qapi-commands-misc.o
common-obj-y += qapi/qapi-commands-net.o
common-obj-y += qapi/qapi-commands-rocker.o
common-obj-y += qapi/qapi-commands-run-state.o
common-obj-y += qapi/qapi-commands-sockets.o
common-obj-y += qapi/qapi-commands-tpm.o
common-obj-y += qapi/qapi-commands-trace.o
common-obj-y += qapi/qapi-commands-transaction.o
common-obj-y += qapi/qapi-commands-ui.o
common-obj-y += qapi/qapi-introspect.o
common-obj-y += qmp.o hmp.o
endif
#######################################################################
@@ -102,6 +173,7 @@ version-obj-$(CONFIG_WIN32) += $(BUILD_DIR)/version.o
######################################################################
# tracing
util-obj-y += trace/
target-obj-y += trace/
######################################################################
# guest agent
@@ -114,7 +186,6 @@ qga-vss-dll-obj-y = qga/
######################################################################
# contrib
elf2dmp-obj-y = contrib/elf2dmp/
ivshmem-client-obj-$(CONFIG_IVSHMEM) = contrib/ivshmem-client/
ivshmem-server-obj-$(CONFIG_IVSHMEM) = contrib/ivshmem-server/
libvhost-user-obj-y = contrib/libvhost-user/
@@ -122,29 +193,15 @@ vhost-user-scsi.o-cflags := $(LIBISCSI_CFLAGS)
vhost-user-scsi.o-libs := $(LIBISCSI_LIBS)
vhost-user-scsi-obj-y = contrib/vhost-user-scsi/
vhost-user-blk-obj-y = contrib/vhost-user-blk/
rdmacm-mux-obj-y = contrib/rdmacm-mux/
vhost-user-input-obj-y = contrib/vhost-user-input/
vhost-user-gpu-obj-y = contrib/vhost-user-gpu/
######################################################################
trace-events-subdirs =
trace-events-subdirs += accel/kvm
trace-events-subdirs += accel/tcg
trace-events-subdirs += crypto
trace-events-subdirs += monitor
ifeq ($(CONFIG_USER_ONLY),y)
trace-events-subdirs += linux-user
endif
ifeq ($(CONFIG_BLOCK),y)
trace-events-subdirs += authz
trace-events-subdirs += block
trace-events-subdirs += io
trace-events-subdirs += nbd
trace-events-subdirs += scsi
endif
ifeq ($(CONFIG_SOFTMMU),y)
trace-events-subdirs += chardev
trace-events-subdirs += audio
trace-events-subdirs += block
trace-events-subdirs += chardev
trace-events-subdirs += crypto
trace-events-subdirs += hw/9pfs
trace-events-subdirs += hw/acpi
trace-events-subdirs += hw/alpha
@@ -153,6 +210,7 @@ trace-events-subdirs += hw/audio
trace-events-subdirs += hw/block
trace-events-subdirs += hw/block/dataplane
trace-events-subdirs += hw/char
trace-events-subdirs += hw/display
trace-events-subdirs += hw/dma
trace-events-subdirs += hw/hppa
trace-events-subdirs += hw/i2c
@@ -163,7 +221,6 @@ trace-events-subdirs += hw/input
trace-events-subdirs += hw/intc
trace-events-subdirs += hw/isa
trace-events-subdirs += hw/mem
trace-events-subdirs += hw/mips
trace-events-subdirs += hw/misc
trace-events-subdirs += hw/misc/macio
trace-events-subdirs += hw/net
@@ -173,7 +230,6 @@ trace-events-subdirs += hw/pci-host
trace-events-subdirs += hw/ppc
trace-events-subdirs += hw/rdma
trace-events-subdirs += hw/rdma/vmw
trace-events-subdirs += hw/rtc
trace-events-subdirs += hw/s390x
trace-events-subdirs += hw/scsi
trace-events-subdirs += hw/sd
@@ -184,27 +240,23 @@ trace-events-subdirs += hw/tpm
trace-events-subdirs += hw/usb
trace-events-subdirs += hw/vfio
trace-events-subdirs += hw/virtio
trace-events-subdirs += hw/watchdog
trace-events-subdirs += hw/xen
trace-events-subdirs += hw/gpio
trace-events-subdirs += hw/riscv
trace-events-subdirs += io
trace-events-subdirs += linux-user
trace-events-subdirs += migration
trace-events-subdirs += nbd
trace-events-subdirs += net
trace-events-subdirs += ui
endif
trace-events-subdirs += hw/display
trace-events-subdirs += qapi
trace-events-subdirs += qom
trace-events-subdirs += scsi
trace-events-subdirs += target/arm
trace-events-subdirs += target/hppa
trace-events-subdirs += target/i386
trace-events-subdirs += target/mips
trace-events-subdirs += target/ppc
trace-events-subdirs += target/riscv
trace-events-subdirs += target/s390x
trace-events-subdirs += target/sparc
trace-events-subdirs += ui
trace-events-subdirs += util
trace-events-subdirs += hw/core
trace-events-files = $(SRC_PATH)/trace-events $(trace-events-subdirs:%=$(SRC_PATH)/%/trace-events)
+27 -54
View File
@@ -4,11 +4,8 @@ BUILD_DIR?=$(CURDIR)/..
include ../config-host.mak
include config-target.mak
include $(SRC_PATH)/rules.mak
ifdef CONFIG_SOFTMMU
include config-devices.mak
endif
include $(SRC_PATH)/rules.mak
$(call set-vpath, $(SRC_PATH):$(BUILD_DIR))
ifdef CONFIG_LINUX
@@ -39,14 +36,16 @@ endif
PROGS=$(QEMU_PROG) $(QEMU_PROGW)
STPFILES=
# Makefile Tests
ifdef CONFIG_USER_ONLY
include $(SRC_PATH)/tests/tcg/Makefile.include
endif
config-target.h: config-target.h-timestamp
config-target.h-timestamp: config-target.mak
config-devices.h: config-devices.h-timestamp
config-devices.h-timestamp: config-devices.mak
ifdef CONFIG_TRACE_SYSTEMTAP
stap: $(QEMU_PROG).stp-installed $(QEMU_PROG).stp $(QEMU_PROG)-simpletrace.stp $(QEMU_PROG)-log.stp
stap: $(QEMU_PROG).stp-installed $(QEMU_PROG).stp $(QEMU_PROG)-simpletrace.stp
ifdef CONFIG_USER_ONLY
TARGET_TYPE=user
@@ -85,14 +84,6 @@ $(QEMU_PROG)-simpletrace.stp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
--probe-prefix=qemu.$(TARGET_TYPE).$(TARGET_NAME) \
$< > $@,"GEN","$(TARGET_DIR)$(QEMU_PROG)-simpletrace.stp")
$(QEMU_PROG)-log.stp: $(BUILD_DIR)/trace-events-all $(tracetool-y)
$(call quiet-command,$(TRACETOOL) \
--group=all \
--format=log-stap \
--backends=$(TRACE_BACKENDS) \
--probe-prefix=qemu.$(TARGET_TYPE).$(TARGET_NAME) \
$< > $@,"GEN","$(TARGET_DIR)$(QEMU_PROG)-log.stp")
else
stap:
endif
@@ -103,11 +94,9 @@ all: $(PROGS) stap
# Dummy command so that make thinks it has done something
@true
obj-y += trace/
#########################################################
# cpu emulator library
obj-y += exec.o exec-vary.o
obj-y += exec.o
obj-y += accel/
obj-$(CONFIG_TCG) += tcg/tcg.o tcg/tcg-op.o tcg/tcg-op-vec.o tcg/tcg-op-gvec.o
obj-$(CONFIG_TCG) += tcg/tcg-common.o tcg/optimize.o
@@ -117,9 +106,6 @@ obj-$(CONFIG_TCG) += fpu/softfloat.o
obj-y += target/$(TARGET_BASE_ARCH)/
obj-y += disas.o
obj-$(call notempty,$(TARGET_XML_FILES)) += gdbstub-xml.o
LIBS := $(libs_cpu) $(LIBS)
obj-$(CONFIG_PLUGIN) += plugins/
#########################################################
# Linux user emulator target
@@ -151,14 +137,13 @@ endif #CONFIG_BSD_USER
#########################################################
# System emulator target
ifdef CONFIG_SOFTMMU
obj-y += arch_init.o cpus.o gdbstub.o balloon.o ioport.o
obj-y += arch_init.o cpus.o monitor.o gdbstub.o balloon.o ioport.o numa.o
obj-y += qtest.o
obj-y += dump/
obj-y += hw/
obj-y += monitor/
obj-y += qapi/
obj-y += memory.o
obj-y += memory_mapping.o
obj-y += dump.o
obj-$(TARGET_X86_64) += win_dump.o
obj-y += migration/ram.o
LIBS := $(libs_softmmu) $(LIBS)
@@ -169,37 +154,43 @@ else
obj-y += hw/$(TARGET_BASE_ARCH)/
endif
generated-files-y += hmp-commands.h hmp-commands-info.h
generated-files-y += config-devices.h
GENERATED_FILES += hmp-commands.h hmp-commands-info.h
endif # CONFIG_SOFTMMU
# Workaround for http://gcc.gnu.org/PR55489, see configure.
%/translate.o: QEMU_CFLAGS += $(TRANSLATE_OPT_CFLAGS)
dummy := $(call unnest-vars,,obj-y)
all-obj-y := $(obj-y)
target-obj-y :=
block-obj-y :=
common-obj-y :=
chardev-obj-y :=
include $(SRC_PATH)/Makefile.objs
dummy := $(call unnest-vars,,target-obj-y)
target-obj-y-save := $(target-obj-y)
dummy := $(call unnest-vars,.., \
authz-obj-y \
block-obj-y \
block-obj-m \
chardev-obj-y \
crypto-obj-y \
crypto-user-obj-y \
crypto-aes-obj-y \
qom-obj-y \
io-obj-y \
common-obj-y \
common-obj-m)
target-obj-y := $(target-obj-y-save)
all-obj-y += $(common-obj-y)
all-obj-y += $(target-obj-y)
all-obj-y += $(qom-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(authz-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(block-obj-y) $(chardev-obj-y)
all-obj-$(CONFIG_USER_ONLY) += $(crypto-user-obj-y)
all-obj-$(CONFIG_USER_ONLY) += $(crypto-aes-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(crypto-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(io-obj-y)
ifdef CONFIG_SOFTMMU
$(QEMU_PROG_BUILD): config-devices.mak
endif
COMMON_LDADDS = ../libqemuutil.a
@@ -224,7 +215,6 @@ clean: clean-target
rm -f *.a *~ $(PROGS)
rm -f $(shell find . -name '*.[od]')
rm -f hmp-commands.h gdbstub-xml.c
rm -f trace/generated-helpers.c trace/generated-helpers.c-timestamp
ifdef CONFIG_TRACE_SYSTEMTAP
rm -f *.stp
endif
@@ -237,24 +227,7 @@ ifdef CONFIG_TRACE_SYSTEMTAP
$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset"
$(INSTALL_DATA) $(QEMU_PROG).stp-installed "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG).stp"
$(INSTALL_DATA) $(QEMU_PROG)-simpletrace.stp "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG)-simpletrace.stp"
$(INSTALL_DATA) $(QEMU_PROG)-log.stp "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG)-log.stp"
endif
generated-files-y += config-target.h
Makefile: $(generated-files-y)
# Reports/Analysis
#
# The target specific coverage report only cares about target specific
# blobs and not the shared code.
#
%/coverage-report.html:
@mkdir -p $*
$(call quiet-command,\
gcovr -r $(SRC_PATH) --object-directory $(CURDIR) \
-p --html --html-details -o $@, \
"GEN", "coverage-report.html")
.PHONY: coverage-report
coverage-report: $(CURDIR)/reports/coverage/coverage-report.html
GENERATED_FILES += config-target.h
Makefile: $(GENERATED_FILES)
+139
View File
@@ -0,0 +1,139 @@
QEMU README
===========
QEMU is a generic and open source machine & userspace emulator and
virtualizer.
QEMU is capable of emulating a complete machine in software without any
need for hardware virtualization support. By using dynamic translation,
it achieves very good performance. QEMU can also integrate with the Xen
and KVM hypervisors to provide emulated hardware while allowing the
hypervisor to manage the CPU. With hypervisor support, QEMU can achieve
near native performance for CPUs. When QEMU emulates CPUs directly it is
capable of running operating systems made for one machine (e.g. an ARMv7
board) on a different machine (e.g. an x86_64 PC board).
QEMU is also capable of providing userspace API virtualization for Linux
and BSD kernel interfaces. This allows binaries compiled against one
architecture ABI (e.g. the Linux PPC64 ABI) to be run on a host using a
different architecture ABI (e.g. the Linux x86_64 ABI). This does not
involve any hardware emulation, simply CPU and syscall emulation.
QEMU aims to fit into a variety of use cases. It can be invoked directly
by users wishing to have full control over its behaviour and settings.
It also aims to facilitate integration into higher level management
layers, by providing a stable command line interface and monitor API.
It is commonly invoked indirectly via the libvirt library when using
open source applications such as oVirt, OpenStack and virt-manager.
QEMU as a whole is released under the GNU General Public License,
version 2. For full licensing details, consult the LICENSE file.
Building
========
QEMU is multi-platform software intended to be buildable on all modern
Linux platforms, OS-X, Win32 (via the Mingw64 toolchain) and a variety
of other UNIX targets. The simple steps to build QEMU are:
mkdir build
cd build
../configure
make
Additional information can also be found online via the QEMU website:
https://qemu.org/Hosts/Linux
https://qemu.org/Hosts/Mac
https://qemu.org/Hosts/W32
Submitting patches
==================
The QEMU source code is maintained under the GIT version control system.
git clone git://git.qemu.org/qemu.git
When submitting patches, one common approach is to use 'git
format-patch' and/or 'git send-email' to format & send the mail to the
qemu-devel@nongnu.org mailing list. All patches submitted must contain
a 'Signed-off-by' line from the author. Patches should follow the
guidelines set out in the HACKING and CODING_STYLE files.
Additional information on submitting patches can be found online via
the QEMU website
https://qemu.org/Contribute/SubmitAPatch
https://qemu.org/Contribute/TrivialPatches
The QEMU website is also maintained under source control.
git clone git://git.qemu.org/qemu-web.git
https://www.qemu.org/2017/02/04/the-new-qemu-website-is-up/
A 'git-publish' utility was created to make above process less
cumbersome, and is highly recommended for making regular contributions,
or even just for sending consecutive patch series revisions. It also
requires a working 'git send-email' setup, and by default doesn't
automate everything, so you may want to go through the above steps
manually for once.
For installation instructions, please go to
https://github.com/stefanha/git-publish
The workflow with 'git-publish' is:
$ git checkout master -b my-feature
$ # work on new commits, add your 'Signed-off-by' lines to each
$ git publish
Your patch series will be sent and tagged as my-feature-v1 if you need to refer
back to it in the future.
Sending v2:
$ git checkout my-feature # same topic branch
$ # making changes to the commits (using 'git rebase', for example)
$ git publish
Your patch series will be sent with 'v2' tag in the subject and the git tip
will be tagged as my-feature-v2.
Bug reporting
=============
The QEMU project uses Launchpad as its primary upstream bug tracker. Bugs
found when running code built from QEMU git or upstream released sources
should be reported via:
https://bugs.launchpad.net/qemu/
If using QEMU via an operating system vendor pre-built binary package, it
is preferable to report bugs to the vendor's own bug tracker first. If
the bug is also known to affect latest upstream code, it can also be
reported via launchpad.
For additional information on bug reporting consult:
https://qemu.org/Contribute/ReportABug
Contact
=======
The QEMU community can be contacted in a number of ways, with the two
main methods being email and IRC
- qemu-devel@nongnu.org
https://lists.nongnu.org/mailman/listinfo/qemu-devel
- #qemu on irc.oftc.net
Information on additional methods of contacting the community can be
found online via the QEMU website:
https://qemu.org/Contribute/StartHere
-- End
-150
View File
@@ -1,150 +0,0 @@
===========
QEMU README
===========
QEMU is a generic and open source machine & userspace emulator and
virtualizer.
QEMU is capable of emulating a complete machine in software without any
need for hardware virtualization support. By using dynamic translation,
it achieves very good performance. QEMU can also integrate with the Xen
and KVM hypervisors to provide emulated hardware while allowing the
hypervisor to manage the CPU. With hypervisor support, QEMU can achieve
near native performance for CPUs. When QEMU emulates CPUs directly it is
capable of running operating systems made for one machine (e.g. an ARMv7
board) on a different machine (e.g. an x86_64 PC board).
QEMU is also capable of providing userspace API virtualization for Linux
and BSD kernel interfaces. This allows binaries compiled against one
architecture ABI (e.g. the Linux PPC64 ABI) to be run on a host using a
different architecture ABI (e.g. the Linux x86_64 ABI). This does not
involve any hardware emulation, simply CPU and syscall emulation.
QEMU aims to fit into a variety of use cases. It can be invoked directly
by users wishing to have full control over its behaviour and settings.
It also aims to facilitate integration into higher level management
layers, by providing a stable command line interface and monitor API.
It is commonly invoked indirectly via the libvirt library when using
open source applications such as oVirt, OpenStack and virt-manager.
QEMU as a whole is released under the GNU General Public License,
version 2. For full licensing details, consult the LICENSE file.
Building
========
QEMU is multi-platform software intended to be buildable on all modern
Linux platforms, OS-X, Win32 (via the Mingw64 toolchain) and a variety
of other UNIX targets. The simple steps to build QEMU are:
.. code-block:: shell
mkdir build
cd build
../configure
make
Additional information can also be found online via the QEMU website:
* `<https://qemu.org/Hosts/Linux>`_
* `<https://qemu.org/Hosts/Mac>`_
* `<https://qemu.org/Hosts/W32>`_
Submitting patches
==================
The QEMU source code is maintained under the GIT version control system.
.. code-block:: shell
git clone https://git.qemu.org/git/qemu.git
When submitting patches, one common approach is to use 'git
format-patch' and/or 'git send-email' to format & send the mail to the
qemu-devel@nongnu.org mailing list. All patches submitted must contain
a 'Signed-off-by' line from the author. Patches should follow the
guidelines set out in the CODING_STYLE.rst file.
Additional information on submitting patches can be found online via
the QEMU website
* `<https://qemu.org/Contribute/SubmitAPatch>`_
* `<https://qemu.org/Contribute/TrivialPatches>`_
The QEMU website is also maintained under source control.
.. code-block:: shell
git clone https://git.qemu.org/git/qemu-web.git
* `<https://www.qemu.org/2017/02/04/the-new-qemu-website-is-up/>`_
A 'git-publish' utility was created to make above process less
cumbersome, and is highly recommended for making regular contributions,
or even just for sending consecutive patch series revisions. It also
requires a working 'git send-email' setup, and by default doesn't
automate everything, so you may want to go through the above steps
manually for once.
For installation instructions, please go to
* `<https://github.com/stefanha/git-publish>`_
The workflow with 'git-publish' is:
.. code-block:: shell
$ git checkout master -b my-feature
$ # work on new commits, add your 'Signed-off-by' lines to each
$ git publish
Your patch series will be sent and tagged as my-feature-v1 if you need to refer
back to it in the future.
Sending v2:
.. code-block:: shell
$ git checkout my-feature # same topic branch
$ # making changes to the commits (using 'git rebase', for example)
$ git publish
Your patch series will be sent with 'v2' tag in the subject and the git tip
will be tagged as my-feature-v2.
Bug reporting
=============
The QEMU project uses Launchpad as its primary upstream bug tracker. Bugs
found when running code built from QEMU git or upstream released sources
should be reported via:
* `<https://bugs.launchpad.net/qemu/>`_
If using QEMU via an operating system vendor pre-built binary package, it
is preferable to report bugs to the vendor's own bug tracker first. If
the bug is also known to affect latest upstream code, it can also be
reported via launchpad.
For additional information on bug reporting consult:
* `<https://qemu.org/Contribute/ReportABug>`_
Contact
=======
The QEMU community can be contacted in a number of ways, with the two
main methods being email and IRC
* `<mailto:qemu-devel@nongnu.org>`_
* `<https://lists.nongnu.org/mailman/listinfo/qemu-devel>`_
* #qemu on irc.oftc.net
Information on additional methods of contacting the community can be
found online via the QEMU website:
* `<https://qemu.org/Contribute/StartHere>`_
+1 -1
View File
@@ -1 +1 @@
4.2.0
3.0.1
-1
View File
@@ -1,5 +1,4 @@
obj-$(CONFIG_SOFTMMU) += accel.o
obj-$(call land,$(CONFIG_SOFTMMU),$(CONFIG_POSIX)) += qtest.o
obj-$(CONFIG_KVM) += kvm/
obj-$(CONFIG_TCG) += tcg/
obj-y += stubs/
+14 -20
View File
@@ -34,7 +34,6 @@
#include "qom/object.h"
#include "qemu/error-report.h"
#include "qemu/option.h"
#include "qapi/error.h"
static const TypeInfo accel_type = {
.name = TYPE_ACCEL,
@@ -65,13 +64,11 @@ static int accel_init_machine(AccelClass *acc, MachineState *ms)
ms->accelerator = NULL;
*(acc->allowed) = false;
object_unref(OBJECT(accel));
} else {
object_set_accelerator_compat_props(acc->compat_props);
}
return ret;
}
void configure_accelerator(MachineState *ms, const char *progname)
void configure_accelerator(MachineState *ms)
{
const char *accel;
char **accel_list, **tmp;
@@ -82,22 +79,8 @@ void configure_accelerator(MachineState *ms, const char *progname)
accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
if (accel == NULL) {
/* Select the default accelerator */
int pnlen = strlen(progname);
if (pnlen >= 3 && g_str_equal(&progname[pnlen - 3], "kvm")) {
/* If the program name ends with "kvm", we prefer KVM */
accel = "kvm:tcg";
} else {
#if defined(CONFIG_TCG)
accel = "tcg";
#elif defined(CONFIG_KVM)
accel = "kvm";
#else
error_report("No accelerator selected and"
" no default accelerator available");
exit(1);
#endif
}
/* Use the default "accelerator", tcg */
accel = "tcg";
}
accel_list = g_strsplit(accel, ":", 0);
@@ -107,6 +90,11 @@ void configure_accelerator(MachineState *ms, const char *progname)
if (!acc) {
continue;
}
if (acc->available && !acc->available()) {
printf("%s not supported for this target\n",
acc->name);
continue;
}
ret = accel_init_machine(acc, ms);
if (ret < 0) {
init_failed = true;
@@ -130,6 +118,12 @@ void configure_accelerator(MachineState *ms, const char *progname)
}
}
void accel_register_compat_props(AccelState *accel)
{
AccelClass *class = ACCEL_GET_CLASS(accel);
register_compat_props_array(class->global_props);
}
void accel_setup_post(MachineState *ms)
{
AccelState *accel = ms->accelerator;
+77 -481
View File
@@ -18,29 +18,27 @@
#include <linux/kvm.h>
#include "qemu-common.h"
#include "qemu/atomic.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "hw/hw.h"
#include "hw/pci/msi.h"
#include "hw/pci/msix.h"
#include "hw/s390x/adapter.h"
#include "exec/gdbstub.h"
#include "sysemu/kvm_int.h"
#include "sysemu/runstate.h"
#include "sysemu/cpus.h"
#include "sysemu/sysemu.h"
#include "qemu/bswap.h"
#include "exec/memory.h"
#include "exec/ram_addr.h"
#include "exec/address-spaces.h"
#include "qemu/event_notifier.h"
#include "qemu/main-loop.h"
#include "trace.h"
#include "hw/irq.h"
#include "sysemu/sev.h"
#include "sysemu/balloon.h"
#include "hw/boards.h"
@@ -52,7 +50,7 @@
/* KVM uses PAGE_SIZE in its definition of KVM_COALESCED_MMIO_MAX. We
* need to use the real host PAGE_SIZE, as that's what KVM will use.
*/
#define PAGE_SIZE qemu_real_host_page_size
#define PAGE_SIZE getpagesize()
//#define DEBUG_KVM
@@ -80,20 +78,17 @@ struct KVMState
int fd;
int vmfd;
int coalesced_mmio;
int coalesced_pio;
struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
bool coalesced_flush_in_progress;
int vcpu_events;
int robust_singlestep;
int debugregs;
#ifdef KVM_CAP_SET_GUEST_DEBUG
QTAILQ_HEAD(, kvm_sw_breakpoint) kvm_sw_breakpoints;
struct kvm_sw_breakpoint_head kvm_sw_breakpoints;
#endif
int max_nested_state_len;
int many_ioeventfds;
int intx_set_mask;
bool sync_mmu;
bool manual_dirty_log_protect;
/* The man page (and posix) say ioctl numbers are signed int, but
* they're not. Linux, glibc and *BSD all treat ioctl numbers as
* unsigned, and treating them as signed here can break things */
@@ -105,7 +100,7 @@ struct KVMState
int nr_allocated_irq_routes;
unsigned long *used_gsi_bitmap;
unsigned int gsi_count;
QTAILQ_HEAD(, KVMMSIRoute) msi_hashtab[KVM_MSI_HASHTAB_SIZE];
QTAILQ_HEAD(msi_hashtab, KVMMSIRoute) msi_hashtab[KVM_MSI_HASHTAB_SIZE];
#endif
KVMMemoryListener memory_listener;
QLIST_HEAD(, KVMParkedVcpu) kvm_parked_vcpus;
@@ -113,13 +108,6 @@ struct KVMState
/* memory encryption */
void *memcrypt_handle;
int (*memcrypt_encrypt_data)(void *handle, uint8_t *ptr, uint64_t len);
/* For "info mtree -f" to tell if an MR is registered in KVM */
int nr_as;
struct KVMAs {
KVMMemoryListener *ml;
AddressSpace *as;
} *as;
};
KVMState *kvm_state;
@@ -140,7 +128,6 @@ bool kvm_direct_msi_allowed;
bool kvm_ioeventfd_any_length_allowed;
bool kvm_msi_use_devid;
static bool kvm_immediate_exit;
static hwaddr kvm_max_slot_size = ~0;
static const KVMCapabilityInfo kvm_required_capabilites[] = {
KVM_CAP_INFO(USER_MEMORY),
@@ -149,12 +136,6 @@ static const KVMCapabilityInfo kvm_required_capabilites[] = {
KVM_CAP_LAST_INFO
};
static NotifierList kvm_irqchip_change_notifiers =
NOTIFIER_LIST_INITIALIZER(kvm_irqchip_change_notifiers);
#define kvm_slots_lock(kml) qemu_mutex_lock(&(kml)->slots_lock)
#define kvm_slots_unlock(kml) qemu_mutex_unlock(&(kml)->slots_lock)
int kvm_get_max_memslots(void)
{
KVMState *s = KVM_STATE(current_machine->accelerator);
@@ -182,7 +163,6 @@ int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len)
return 1;
}
/* Called with KVMMemoryListener.slots_lock held */
static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
{
KVMState *s = kvm_state;
@@ -200,17 +180,10 @@ static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
bool kvm_has_free_slot(MachineState *ms)
{
KVMState *s = KVM_STATE(ms->accelerator);
bool result;
KVMMemoryListener *kml = &s->memory_listener;
kvm_slots_lock(kml);
result = !!kvm_get_free_slot(kml);
kvm_slots_unlock(kml);
return result;
return kvm_get_free_slot(&s->memory_listener);
}
/* Called with KVMMemoryListener.slots_lock held */
static KVMSlot *kvm_alloc_slot(KVMMemoryListener *kml)
{
KVMSlot *slot = kvm_get_free_slot(kml);
@@ -269,21 +242,18 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void *ram,
hwaddr *phys_addr)
{
KVMMemoryListener *kml = &s->memory_listener;
int i, ret = 0;
int i;
kvm_slots_lock(kml);
for (i = 0; i < s->nr_slots; i++) {
KVMSlot *mem = &kml->slots[i];
if (ram >= mem->ram && ram < mem->ram + mem->memory_size) {
*phys_addr = mem->start_addr + (ram - mem->ram);
ret = 1;
break;
return 1;
}
}
kvm_slots_unlock(kml);
return ret;
return 0;
}
static int kvm_set_user_memory_region(KVMMemoryListener *kml, KVMSlot *slot, bool new)
@@ -320,11 +290,6 @@ int kvm_destroy_vcpu(CPUState *cpu)
DPRINTF("kvm_destroy_vcpu\n");
ret = kvm_arch_destroy_vcpu(cpu);
if (ret < 0) {
goto err;
}
mmap_size = kvm_ioctl(s, KVM_GET_VCPU_MMAP_SIZE, 0);
if (mmap_size < 0) {
ret = mmap_size;
@@ -424,7 +389,6 @@ static int kvm_mem_flags(MemoryRegion *mr)
return flags;
}
/* Called with KVMMemoryListener.slots_lock held */
static int kvm_slot_update_flags(KVMMemoryListener *kml, KVMSlot *mem,
MemoryRegion *mr)
{
@@ -441,33 +405,21 @@ static int kvm_slot_update_flags(KVMMemoryListener *kml, KVMSlot *mem,
static int kvm_section_update_flags(KVMMemoryListener *kml,
MemoryRegionSection *section)
{
hwaddr start_addr, size, slot_size;
hwaddr start_addr, size;
KVMSlot *mem;
int ret = 0;
size = kvm_align_section(section, &start_addr);
if (!size) {
return 0;
}
kvm_slots_lock(kml);
while (size && !ret) {
slot_size = MIN(kvm_max_slot_size, size);
mem = kvm_lookup_matching_slot(kml, start_addr, slot_size);
if (!mem) {
/* We don't have a slot if we want to trap every access. */
goto out;
}
ret = kvm_slot_update_flags(kml, mem, section->mr);
start_addr += slot_size;
size -= slot_size;
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
/* We don't have a slot if we want to trap every access. */
return 0;
}
out:
kvm_slots_unlock(kml);
return ret;
return kvm_slot_update_flags(kml, mem, section->mr);
}
static void kvm_log_start(MemoryListener *listener,
@@ -510,7 +462,7 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section,
{
ram_addr_t start = section->offset_within_region +
memory_region_get_ram_addr(section->mr);
ram_addr_t pages = int128_get64(section->size) / qemu_real_host_page_size;
ram_addr_t pages = int128_get64(section->size) / getpagesize();
cpu_physical_memory_set_dirty_lebitmap(bitmap, start, pages);
return 0;
@@ -519,15 +471,13 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section,
#define ALIGN(x, y) (((x)+(y)-1) & ~((y)-1))
/**
* kvm_physical_sync_dirty_bitmap - Sync dirty bitmap from kernel space
* kvm_physical_sync_dirty_bitmap - Grab dirty bitmap from kernel space
* This function updates qemu's dirty bitmap using
* memory_region_set_dirty(). This means all bits are set
* to dirty.
*
* This function will first try to fetch dirty bitmap from the kernel,
* and then updates qemu's dirty bitmap.
*
* NOTE: caller must be with kml->slots_lock held.
*
* @kml: the KVM memory listener object
* @section: the memory section to sync the dirty bitmap with
* @start_add: start of logged region.
* @end_addr: end of logged region.
*/
static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml,
MemoryRegionSection *section)
@@ -536,18 +486,13 @@ static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml,
struct kvm_dirty_log d = {};
KVMSlot *mem;
hwaddr start_addr, size;
hwaddr slot_size, slot_offset = 0;
int ret = 0;
size = kvm_align_section(section, &start_addr);
while (size) {
MemoryRegionSection subsection = *section;
slot_size = MIN(kvm_max_slot_size, size);
mem = kvm_lookup_matching_slot(kml, start_addr, slot_size);
if (size) {
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
/* We don't have a slot if we want to trap every access. */
goto out;
return 0;
}
/* XXX bad kernel interface alert
@@ -562,203 +507,22 @@ static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml,
* So for now, let's align to 64 instead of HOST_LONG_BITS here, in
* a hope that sizeof(long) won't become >8 any time soon.
*/
if (!mem->dirty_bmap) {
hwaddr bitmap_size = ALIGN(((mem->memory_size) >> TARGET_PAGE_BITS),
/*HOST_LONG_BITS*/ 64) / 8;
/* Allocate on the first log_sync, once and for all */
mem->dirty_bmap = g_malloc0(bitmap_size);
}
size = ALIGN(((mem->memory_size) >> TARGET_PAGE_BITS),
/*HOST_LONG_BITS*/ 64) / 8;
d.dirty_bitmap = g_malloc0(size);
d.dirty_bitmap = mem->dirty_bmap;
d.slot = mem->slot | (kml->as_id << 16);
if (kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) == -1) {
DPRINTF("ioctl failed %d\n", errno);
ret = -1;
goto out;
g_free(d.dirty_bitmap);
return -1;
}
subsection.offset_within_region += slot_offset;
subsection.size = int128_make64(slot_size);
kvm_get_dirty_pages_log_range(&subsection, d.dirty_bitmap);
slot_offset += slot_size;
start_addr += slot_size;
size -= slot_size;
}
out:
return ret;
}
/* Alignment requirement for KVM_CLEAR_DIRTY_LOG - 64 pages */
#define KVM_CLEAR_LOG_SHIFT 6
#define KVM_CLEAR_LOG_ALIGN (qemu_real_host_page_size << KVM_CLEAR_LOG_SHIFT)
#define KVM_CLEAR_LOG_MASK (-KVM_CLEAR_LOG_ALIGN)
static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start,
uint64_t size)
{
KVMState *s = kvm_state;
uint64_t end, bmap_start, start_delta, bmap_npages;
struct kvm_clear_dirty_log d;
unsigned long *bmap_clear = NULL, psize = qemu_real_host_page_size;
int ret;
/*
* We need to extend either the start or the size or both to
* satisfy the KVM interface requirement. Firstly, do the start
* page alignment on 64 host pages
*/
bmap_start = start & KVM_CLEAR_LOG_MASK;
start_delta = start - bmap_start;
bmap_start /= psize;
/*
* The kernel interface has restriction on the size too, that either:
*
* (1) the size is 64 host pages aligned (just like the start), or
* (2) the size fills up until the end of the KVM memslot.
*/
bmap_npages = DIV_ROUND_UP(size + start_delta, KVM_CLEAR_LOG_ALIGN)
<< KVM_CLEAR_LOG_SHIFT;
end = mem->memory_size / psize;
if (bmap_npages > end - bmap_start) {
bmap_npages = end - bmap_start;
}
start_delta /= psize;
/*
* Prepare the bitmap to clear dirty bits. Here we must guarantee
* that we won't clear any unknown dirty bits otherwise we might
* accidentally clear some set bits which are not yet synced from
* the kernel into QEMU's bitmap, then we'll lose track of the
* guest modifications upon those pages (which can directly lead
* to guest data loss or panic after migration).
*
* Layout of the KVMSlot.dirty_bmap:
*
* |<-------- bmap_npages -----------..>|
* [1]
* start_delta size
* |----------------|-------------|------------------|------------|
* ^ ^ ^ ^
* | | | |
* start bmap_start (start) end
* of memslot of memslot
*
* [1] bmap_npages can be aligned to either 64 pages or the end of slot
*/
assert(bmap_start % BITS_PER_LONG == 0);
/* We should never do log_clear before log_sync */
assert(mem->dirty_bmap);
if (start_delta) {
/* Slow path - we need to manipulate a temp bitmap */
bmap_clear = bitmap_new(bmap_npages);
bitmap_copy_with_src_offset(bmap_clear, mem->dirty_bmap,
bmap_start, start_delta + size / psize);
/*
* We need to fill the holes at start because that was not
* specified by the caller and we extended the bitmap only for
* 64 pages alignment
*/
bitmap_clear(bmap_clear, 0, start_delta);
d.dirty_bitmap = bmap_clear;
} else {
/* Fast path - start address aligns well with BITS_PER_LONG */
d.dirty_bitmap = mem->dirty_bmap + BIT_WORD(bmap_start);
kvm_get_dirty_pages_log_range(section, d.dirty_bitmap);
g_free(d.dirty_bitmap);
}
d.first_page = bmap_start;
/* It should never overflow. If it happens, say something */
assert(bmap_npages <= UINT32_MAX);
d.num_pages = bmap_npages;
d.slot = mem->slot | (as_id << 16);
if (kvm_vm_ioctl(s, KVM_CLEAR_DIRTY_LOG, &d) == -1) {
ret = -errno;
error_report("%s: KVM_CLEAR_DIRTY_LOG failed, slot=%d, "
"start=0x%"PRIx64", size=0x%"PRIx32", errno=%d",
__func__, d.slot, (uint64_t)d.first_page,
(uint32_t)d.num_pages, ret);
} else {
ret = 0;
trace_kvm_clear_dirty_log(d.slot, d.first_page, d.num_pages);
}
/*
* After we have updated the remote dirty bitmap, we update the
* cached bitmap as well for the memslot, then if another user
* clears the same region we know we shouldn't clear it again on
* the remote otherwise it's data loss as well.
*/
bitmap_clear(mem->dirty_bmap, bmap_start + start_delta,
size / psize);
/* This handles the NULL case well */
g_free(bmap_clear);
return ret;
}
/**
* kvm_physical_log_clear - Clear the kernel's dirty bitmap for range
*
* NOTE: this will be a no-op if we haven't enabled manual dirty log
* protection in the host kernel because in that case this operation
* will be done within log_sync().
*
* @kml: the kvm memory listener
* @section: the memory range to clear dirty bitmap
*/
static int kvm_physical_log_clear(KVMMemoryListener *kml,
MemoryRegionSection *section)
{
KVMState *s = kvm_state;
uint64_t start, size, offset, count;
KVMSlot *mem;
int ret = 0, i;
if (!s->manual_dirty_log_protect) {
/* No need to do explicit clear */
return ret;
}
start = section->offset_within_address_space;
size = int128_get64(section->size);
if (!size) {
/* Nothing more we can do... */
return ret;
}
kvm_slots_lock(kml);
for (i = 0; i < s->nr_slots; i++) {
mem = &kml->slots[i];
/* Discard slots that are empty or do not overlap the section */
if (!mem->memory_size ||
mem->start_addr > start + size - 1 ||
start > mem->start_addr + mem->memory_size - 1) {
continue;
}
if (start >= mem->start_addr) {
/* The slot starts before section or is aligned to it. */
offset = start - mem->start_addr;
count = MIN(mem->memory_size - offset, size);
} else {
/* The slot starts after section. */
offset = 0;
count = MIN(mem->memory_size, size - (mem->start_addr - start));
}
ret = kvm_log_clear_one_slot(mem, kml->as_id, offset, count);
if (ret < 0) {
break;
}
}
kvm_slots_unlock(kml);
return ret;
return 0;
}
static void kvm_coalesce_mmio_region(MemoryListener *listener,
@@ -795,45 +559,6 @@ static void kvm_uncoalesce_mmio_region(MemoryListener *listener,
}
}
static void kvm_coalesce_pio_add(MemoryListener *listener,
MemoryRegionSection *section,
hwaddr start, hwaddr size)
{
KVMState *s = kvm_state;
if (s->coalesced_pio) {
struct kvm_coalesced_mmio_zone zone;
zone.addr = start;
zone.size = size;
zone.pio = 1;
(void)kvm_vm_ioctl(s, KVM_REGISTER_COALESCED_MMIO, &zone);
}
}
static void kvm_coalesce_pio_del(MemoryListener *listener,
MemoryRegionSection *section,
hwaddr start, hwaddr size)
{
KVMState *s = kvm_state;
if (s->coalesced_pio) {
struct kvm_coalesced_mmio_zone zone;
zone.addr = start;
zone.size = size;
zone.pio = 1;
(void)kvm_vm_ioctl(s, KVM_UNREGISTER_COALESCED_MMIO, &zone);
}
}
static MemoryListener kvm_coalesced_pio_listener = {
.coalesced_io_add = kvm_coalesce_pio_add,
.coalesced_io_del = kvm_coalesce_pio_del,
};
int kvm_check_extension(KVMState *s, unsigned int extension)
{
int ret;
@@ -891,8 +616,6 @@ static int kvm_set_ioeventfd_mmio(int fd, hwaddr addr, uint32_t val,
.fd = fd,
};
trace_kvm_set_ioeventfd_mmio(fd, (uint64_t)addr, val, assign, size,
datamatch);
if (!kvm_enabled()) {
return -ENOSYS;
}
@@ -924,7 +647,6 @@ static int kvm_set_ioeventfd_pio(int fd, uint16_t addr, uint16_t val,
.fd = fd,
};
int r;
trace_kvm_set_ioeventfd_pio(fd, addr, val, assign, size, datamatch);
if (!kvm_enabled()) {
return -ENOSYS;
}
@@ -991,14 +713,6 @@ kvm_check_extension_list(KVMState *s, const KVMCapabilityInfo *list)
return NULL;
}
void kvm_set_max_memslot_size(hwaddr max_slot_size)
{
g_assert(
ROUND_UP(max_slot_size, qemu_real_host_page_size) == max_slot_size
);
kvm_max_slot_size = max_slot_size;
}
static void kvm_set_phys_mem(KVMMemoryListener *kml,
MemoryRegionSection *section, bool add)
{
@@ -1006,7 +720,7 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
int err;
MemoryRegion *mr = section->mr;
bool writeable = !mr->readonly && !mr->rom_device;
hwaddr start_addr, size, slot_size;
hwaddr start_addr, size;
void *ram;
if (!memory_region_is_ram(mr)) {
@@ -1028,58 +742,40 @@ static void kvm_set_phys_mem(KVMMemoryListener *kml,
ram = memory_region_get_ram_ptr(mr) + section->offset_within_region +
(start_addr - section->offset_within_address_space);
kvm_slots_lock(kml);
if (!add) {
do {
slot_size = MIN(kvm_max_slot_size, size);
mem = kvm_lookup_matching_slot(kml, start_addr, slot_size);
if (!mem) {
goto out;
}
if (mem->flags & KVM_MEM_LOG_DIRTY_PAGES) {
kvm_physical_sync_dirty_bitmap(kml, section);
}
mem = kvm_lookup_matching_slot(kml, start_addr, size);
if (!mem) {
return;
}
if (mem->flags & KVM_MEM_LOG_DIRTY_PAGES) {
kvm_physical_sync_dirty_bitmap(kml, section);
}
/* unregister the slot */
g_free(mem->dirty_bmap);
mem->dirty_bmap = NULL;
mem->memory_size = 0;
mem->flags = 0;
err = kvm_set_user_memory_region(kml, mem, false);
if (err) {
fprintf(stderr, "%s: error unregistering slot: %s\n",
__func__, strerror(-err));
abort();
}
start_addr += slot_size;
size -= slot_size;
} while (size);
goto out;
/* unregister the slot */
mem->memory_size = 0;
mem->flags = 0;
err = kvm_set_user_memory_region(kml, mem, false);
if (err) {
fprintf(stderr, "%s: error unregistering slot: %s\n",
__func__, strerror(-err));
abort();
}
return;
}
/* register the new slot */
do {
slot_size = MIN(kvm_max_slot_size, size);
mem = kvm_alloc_slot(kml);
mem->memory_size = slot_size;
mem->start_addr = start_addr;
mem->ram = ram;
mem->flags = kvm_mem_flags(mr);
mem = kvm_alloc_slot(kml);
mem->memory_size = size;
mem->start_addr = start_addr;
mem->ram = ram;
mem->flags = kvm_mem_flags(mr);
err = kvm_set_user_memory_region(kml, mem, true);
if (err) {
fprintf(stderr, "%s: error registering slot: %s\n", __func__,
strerror(-err));
abort();
}
start_addr += slot_size;
ram += slot_size;
size -= slot_size;
} while (size);
out:
kvm_slots_unlock(kml);
err = kvm_set_user_memory_region(kml, mem, true);
if (err) {
fprintf(stderr, "%s: error registering slot: %s\n", __func__,
strerror(-err));
abort();
}
}
static void kvm_region_add(MemoryListener *listener,
@@ -1106,30 +802,12 @@ static void kvm_log_sync(MemoryListener *listener,
KVMMemoryListener *kml = container_of(listener, KVMMemoryListener, listener);
int r;
kvm_slots_lock(kml);
r = kvm_physical_sync_dirty_bitmap(kml, section);
kvm_slots_unlock(kml);
if (r < 0) {
abort();
}
}
static void kvm_log_clear(MemoryListener *listener,
MemoryRegionSection *section)
{
KVMMemoryListener *kml = container_of(listener, KVMMemoryListener, listener);
int r;
r = kvm_physical_log_clear(kml, section);
if (r < 0) {
error_report_once("%s: kvm log clear failed: mr=%s "
"offset=%"HWADDR_PRIx" size=%"PRIx64, __func__,
section->mr->name, section->offset_within_region,
int128_get64(section->size));
abort();
}
}
static void kvm_mem_ioeventfd_add(MemoryListener *listener,
MemoryRegionSection *section,
bool match_data, uint64_t data,
@@ -1142,8 +820,8 @@ static void kvm_mem_ioeventfd_add(MemoryListener *listener,
data, true, int128_get64(section->size),
match_data);
if (r < 0) {
fprintf(stderr, "%s: error adding ioeventfd: %s (%d)\n",
__func__, strerror(-r), -r);
fprintf(stderr, "%s: error adding ioeventfd: %s\n",
__func__, strerror(-r));
abort();
}
}
@@ -1160,8 +838,6 @@ static void kvm_mem_ioeventfd_del(MemoryListener *listener,
data, false, int128_get64(section->size),
match_data);
if (r < 0) {
fprintf(stderr, "%s: error deleting ioeventfd: %s (%d)\n",
__func__, strerror(-r), -r);
abort();
}
}
@@ -1178,8 +854,8 @@ static void kvm_io_ioeventfd_add(MemoryListener *listener,
data, true, int128_get64(section->size),
match_data);
if (r < 0) {
fprintf(stderr, "%s: error adding ioeventfd: %s (%d)\n",
__func__, strerror(-r), -r);
fprintf(stderr, "%s: error adding ioeventfd: %s\n",
__func__, strerror(-r));
abort();
}
}
@@ -1197,8 +873,6 @@ static void kvm_io_ioeventfd_del(MemoryListener *listener,
data, false, int128_get64(section->size),
match_data);
if (r < 0) {
fprintf(stderr, "%s: error deleting ioeventfd: %s (%d)\n",
__func__, strerror(-r), -r);
abort();
}
}
@@ -1208,7 +882,6 @@ void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml,
{
int i;
qemu_mutex_init(&kml->slots_lock);
kml->slots = g_malloc0(s->nr_slots * sizeof(KVMSlot));
kml->as_id = as_id;
@@ -1221,18 +894,9 @@ void kvm_memory_listener_register(KVMState *s, KVMMemoryListener *kml,
kml->listener.log_start = kvm_log_start;
kml->listener.log_stop = kvm_log_stop;
kml->listener.log_sync = kvm_log_sync;
kml->listener.log_clear = kvm_log_clear;
kml->listener.priority = 10;
memory_listener_register(&kml->listener, as);
for (i = 0; i < s->nr_as; ++i) {
if (!s->as[i].as) {
s->as[i].as = as;
s->as[i].ml = kml;
break;
}
}
}
static MemoryListener kvm_io_listener = {
@@ -1399,21 +1063,6 @@ void kvm_irqchip_release_virq(KVMState *s, int virq)
trace_kvm_irqchip_release_virq(virq);
}
void kvm_irqchip_add_change_notifier(Notifier *n)
{
notifier_list_add(&kvm_irqchip_change_notifiers, n);
}
void kvm_irqchip_remove_change_notifier(Notifier *n)
{
notifier_remove(n);
}
void kvm_irqchip_change_notify(void)
{
notifier_list_notify(&kvm_irqchip_change_notifiers, NULL);
}
static unsigned int kvm_hash_msi(uint32_t data)
{
/* This is optimized for IA32 MSI layout. However, no other arch shall
@@ -1840,8 +1489,8 @@ static int kvm_init(MachineState *ms)
const char *name;
int num;
} num_cpus[] = {
{ "SMP", ms->smp.cpus },
{ "hotpluggable", ms->smp.max_cpus },
{ "SMP", smp_cpus },
{ "hotpluggable", max_cpus },
{ NULL, }
}, *nc = num_cpus;
int soft_vcpus_limit, hard_vcpus_limit;
@@ -1859,7 +1508,7 @@ static int kvm_init(MachineState *ms)
* even with KVM. TARGET_PAGE_SIZE is assumed to be the minimum
* page size for the system though.
*/
assert(TARGET_PAGE_SIZE <= qemu_real_host_page_size);
assert(TARGET_PAGE_SIZE <= getpagesize());
s->sigmask_len = 8;
@@ -1898,15 +1547,9 @@ static int kvm_init(MachineState *ms)
s->nr_slots = 32;
}
s->nr_as = kvm_check_extension(s, KVM_CAP_MULTI_ADDRESS_SPACE);
if (s->nr_as <= 1) {
s->nr_as = 1;
}
s->as = g_new0(struct KVMAs, s->nr_as);
kvm_type = qemu_opt_get(qemu_get_machine_opts(), "kvm-type");
if (mc->kvm_type) {
type = mc->kvm_type(ms, kvm_type);
type = mc->kvm_type(kvm_type);
} else if (kvm_type) {
ret = -EINVAL;
fprintf(stderr, "Invalid argument kvm-type=%s\n", kvm_type);
@@ -1972,19 +1615,6 @@ static int kvm_init(MachineState *ms)
}
s->coalesced_mmio = kvm_check_extension(s, KVM_CAP_COALESCED_MMIO);
s->coalesced_pio = s->coalesced_mmio &&
kvm_check_extension(s, KVM_CAP_COALESCED_PIO);
s->manual_dirty_log_protect =
kvm_check_extension(s, KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
if (s->manual_dirty_log_protect) {
ret = kvm_vm_enable_cap(s, KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2, 0, 1);
if (ret) {
warn_report("Trying to enable KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 "
"but failed. Falling back to the legacy mode. ");
s->manual_dirty_log_protect = false;
}
}
#ifdef KVM_CAP_VCPU_EVENTS
s->vcpu_events = kvm_check_extension(s, KVM_CAP_VCPU_EVENTS);
@@ -1997,8 +1627,6 @@ static int kvm_init(MachineState *ms)
s->debugregs = kvm_check_extension(s, KVM_CAP_DEBUGREGS);
#endif
s->max_nested_state_len = kvm_check_extension(s, KVM_CAP_NESTED_STATE);
#ifdef KVM_CAP_IRQ_ROUTING
kvm_direct_msi_allowed = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
#endif
@@ -2010,8 +1638,10 @@ static int kvm_init(MachineState *ms)
s->irq_set_ioctl = KVM_IRQ_LINE_STATUS;
}
#ifdef KVM_CAP_READONLY_MEM
kvm_readonly_mem_allowed =
(kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0);
#endif
kvm_eventfds_allowed =
(kvm_check_extension(s, KVM_CAP_IOEVENTFD) > 0);
@@ -2057,22 +1687,17 @@ static int kvm_init(MachineState *ms)
s->memory_listener.listener.eventfd_add = kvm_mem_ioeventfd_add;
s->memory_listener.listener.eventfd_del = kvm_mem_ioeventfd_del;
}
s->memory_listener.listener.coalesced_io_add = kvm_coalesce_mmio_region;
s->memory_listener.listener.coalesced_io_del = kvm_uncoalesce_mmio_region;
s->memory_listener.listener.coalesced_mmio_add = kvm_coalesce_mmio_region;
s->memory_listener.listener.coalesced_mmio_del = kvm_uncoalesce_mmio_region;
kvm_memory_listener_register(s, &s->memory_listener,
&address_space_memory, 0);
memory_listener_register(&kvm_io_listener,
&address_space_io);
memory_listener_register(&kvm_coalesced_pio_listener,
&address_space_io);
s->many_ioeventfds = kvm_check_many_ioeventfds();
s->sync_mmu = !!kvm_vm_check_extension(kvm_state, KVM_CAP_SYNC_MMU);
if (!s->sync_mmu) {
qemu_balloon_inhibit(true);
}
return 0;
@@ -2124,7 +1749,7 @@ static int kvm_handle_internal_error(CPUState *cpu, struct kvm_run *run)
if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) {
fprintf(stderr, "emulation failure\n");
if (!kvm_arch_stop_on_emulation_error(cpu)) {
cpu_dump_state(cpu, stderr, CPU_DUMP_CODE);
cpu_dump_state(cpu, stderr, fprintf, CPU_DUMP_CODE);
return EXCP_INTERRUPT;
}
}
@@ -2151,13 +1776,7 @@ void kvm_flush_coalesced_mmio_buffer(void)
ent = &ring->coalesced_mmio[ring->first];
if (ent->pio == 1) {
address_space_rw(&address_space_io, ent->phys_addr,
MEMTXATTRS_UNSPECIFIED, ent->data,
ent->len, true);
} else {
cpu_physical_memory_write(ent->phys_addr, ent->data, ent->len);
}
cpu_physical_memory_write(ent->phys_addr, ent->data, ent->len);
smp_wmb();
ring->first = (ring->first + 1) % KVM_COALESCED_MMIO_MAX;
}
@@ -2415,7 +2034,7 @@ int kvm_cpu_exec(CPUState *cpu)
qemu_mutex_lock_iothread();
if (ret < 0) {
cpu_dump_state(cpu, stderr, CPU_DUMP_CODE);
cpu_dump_state(cpu, stderr, fprintf, CPU_DUMP_CODE);
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
@@ -2566,11 +2185,6 @@ int kvm_has_debugregs(void)
return kvm_state->debugregs;
}
int kvm_max_nested_state_length(void)
{
return kvm_state->max_nested_state_len;
}
int kvm_has_many_ioeventfds(void)
{
if (!kvm_enabled()) {
@@ -2923,29 +2537,11 @@ int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target)
return r;
}
static bool kvm_accel_has_memory(MachineState *ms, AddressSpace *as,
hwaddr start_addr, hwaddr size)
{
KVMState *kvm = KVM_STATE(ms->accelerator);
int i;
for (i = 0; i < kvm->nr_as; ++i) {
if (kvm->as[i].as == as && kvm->as[i].ml) {
size = MIN(kvm_max_slot_size, size);
return NULL != kvm_lookup_matching_slot(kvm->as[i].ml,
start_addr, size);
}
}
return false;
}
static void kvm_accel_class_init(ObjectClass *oc, void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "KVM";
ac->init_machine = kvm_init;
ac->has_memory = kvm_accel_has_memory;
ac->allowed = &kvm_allowed;
}
+1 -4
View File
@@ -1,4 +1,4 @@
# See docs/devel/tracing.txt for syntax documentation.
# Trace events for debugging and performance instrumentation
# kvm-all.c
kvm_ioctl(int type, void *arg) "type 0x%x, arg %p"
@@ -12,8 +12,5 @@ kvm_irqchip_commit_routes(void) ""
kvm_irqchip_add_msi_route(char *name, int vector, int virq) "dev %s vector %d virq %d"
kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d"
kvm_irqchip_release_virq(int virq) "virq %d"
kvm_set_ioeventfd_mmio(int fd, uint64_t addr, uint32_t val, bool assign, uint32_t size, bool datamatch) "fd: %d @0x%" PRIx64 " val=0x%x assign: %d size: %d match: %d"
kvm_set_ioeventfd_pio(int fd, uint16_t addr, uint32_t val, bool assign, uint32_t size, bool datamatch) "fd: %d @0x%x val=0x%x assign: %d size: %d match: %d"
kvm_set_user_memory(uint32_t slot, uint32_t flags, uint64_t guest_phys_addr, uint64_t memory_size, uint64_t userspace_addr, int ret) "Slot#%d flags=0x%x gpa=0x%"PRIx64 " size=0x%"PRIx64 " ua=0x%"PRIx64 " ret=%d"
kvm_clear_dirty_log(uint32_t slot, uint64_t start, uint32_t size) "slot#%"PRId32" start 0x%"PRIx64" size 0x%"PRIx32
-54
View File
@@ -1,54 +0,0 @@
/*
* QTest accelerator code
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qemu/option.h"
#include "qemu/config-file.h"
#include "sysemu/accel.h"
#include "sysemu/qtest.h"
#include "sysemu/cpus.h"
static int qtest_init_accel(MachineState *ms)
{
QemuOpts *opts = qemu_opts_create(qemu_find_opts("icount"), NULL, 0,
&error_abort);
qemu_opt_set(opts, "shift", "0", &error_abort);
configure_icount(opts, &error_abort);
qemu_opts_del(opts);
return 0;
}
static void qtest_accel_class_init(ObjectClass *oc, void *data)
{
AccelClass *ac = ACCEL_CLASS(oc);
ac->name = "QTest";
ac->init_machine = qtest_init_accel;
ac->allowed = &qtest_allowed;
}
#define TYPE_QTEST_ACCEL ACCEL_CLASS_NAME("qtest")
static const TypeInfo qtest_accel_type = {
.name = TYPE_QTEST_ACCEL,
.parent = TYPE_ACCEL,
.class_init = qtest_accel_class_init,
};
static void qtest_type_init(void)
{
type_register_static(&qtest_accel_type);
}
type_init(qtest_type_init);
+1
View File
@@ -14,6 +14,7 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "sysemu/hax.h"
+1
View File
@@ -12,6 +12,7 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "sysemu/hvf.h"
+1 -12
View File
@@ -11,6 +11,7 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "sysemu/kvm.h"
@@ -138,18 +139,6 @@ void kvm_irqchip_commit_routes(KVMState *s)
{
}
void kvm_irqchip_add_change_notifier(Notifier *n)
{
}
void kvm_irqchip_remove_change_notifier(Notifier *n)
{
}
void kvm_irqchip_change_notify(void)
{
}
int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
{
return -ENOSYS;
+2
View File
@@ -11,8 +11,10 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "tcg/tcg.h"
#include "exec/cpu-common.h"
#include "exec/exec-all.h"
void tb_flush(CPUState *cpu)
+1
View File
@@ -9,6 +9,7 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "sysemu/whpx.h"
-1
View File
@@ -6,4 +6,3 @@ obj-y += translator.o
obj-$(CONFIG_USER_ONLY) += user-exec.o
obj-$(call lnot,$(CONFIG_SOFTMMU)) += user-exec-stub.o
obj-$(CONFIG_PLUGIN) += plugin-gen.o
-54
View File
@@ -1,54 +0,0 @@
/*
* Common Atomic Helper Functions
*
* This file should be included before the various instantiations of
* the atomic_template.h helpers.
*
* Copyright (c) 2019 Linaro
* Written by Alex Bennée <alex.bennee@linaro.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
static inline
void atomic_trace_rmw_pre(CPUArchState *env, target_ulong addr, uint16_t info)
{
CPUState *cpu = env_cpu(env);
trace_guest_mem_before_exec(cpu, addr, info);
trace_guest_mem_before_exec(cpu, addr, info | TRACE_MEM_ST);
}
static inline void
atomic_trace_rmw_post(CPUArchState *env, target_ulong addr, uint16_t info)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, info);
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, info | TRACE_MEM_ST);
}
static inline
void atomic_trace_ld_pre(CPUArchState *env, target_ulong addr, uint16_t info)
{
trace_guest_mem_before_exec(env_cpu(env), addr, info);
}
static inline
void atomic_trace_ld_post(CPUArchState *env, target_ulong addr, uint16_t info)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, info);
}
static inline
void atomic_trace_st_pre(CPUArchState *env, target_ulong addr, uint16_t info)
{
trace_guest_mem_before_exec(env_cpu(env), addr, info);
}
static inline
void atomic_trace_st_post(CPUArchState *env, target_ulong addr, uint16_t info)
{
qemu_plugin_vcpu_mem_cb(env_cpu(env), addr, info);
}
+43 -77
View File
@@ -7,7 +7,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,7 +18,6 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/plugin.h"
#include "trace/mem.h"
#if DATA_SIZE == 16
@@ -60,6 +59,26 @@
# define ABI_TYPE uint32_t
#endif
#define ATOMIC_TRACE_RMW do { \
uint8_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, false); \
\
trace_guest_mem_before_exec(ENV_GET_CPU(env), addr, info); \
trace_guest_mem_before_exec(ENV_GET_CPU(env), addr, \
info | TRACE_MEM_ST); \
} while (0)
#define ATOMIC_TRACE_LD do { \
uint8_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, false); \
\
trace_guest_mem_before_exec(ENV_GET_CPU(env), addr, info); \
} while (0)
# define ATOMIC_TRACE_ST do { \
uint8_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, true); \
\
trace_guest_mem_before_exec(ENV_GET_CPU(env), addr, info); \
} while (0)
/* Define host-endian atomic operations. Note that END is used within
the ATOMIC_NAME macro, and redefined below. */
#if DATA_SIZE == 1
@@ -79,33 +98,22 @@ ABI_TYPE ATOMIC_NAME(cmpxchg)(CPUArchState *env, target_ulong addr,
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
DATA_TYPE ret;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, false,
ATOMIC_MMU_IDX);
atomic_trace_rmw_pre(env, addr, info);
#if DATA_SIZE == 16
ret = atomic16_cmpxchg(haddr, cmpv, newv);
#else
ATOMIC_TRACE_RMW;
ret = atomic_cmpxchg__nocheck(haddr, cmpv, newv);
#endif
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, info);
return ret;
}
#if DATA_SIZE >= 16
#if HAVE_ATOMIC128
ABI_TYPE ATOMIC_NAME(ld)(CPUArchState *env, target_ulong addr EXTRA_ARGS)
{
ATOMIC_MMU_DECLS;
DATA_TYPE val, *haddr = ATOMIC_MMU_LOOKUP;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, false,
ATOMIC_MMU_IDX);
atomic_trace_ld_pre(env, addr, info);
val = atomic16_read(haddr);
ATOMIC_TRACE_LD;
__atomic_load(haddr, &val, __ATOMIC_RELAXED);
ATOMIC_MMU_CLEANUP;
atomic_trace_ld_post(env, addr, info);
return val;
}
@@ -114,15 +122,11 @@ void ATOMIC_NAME(st)(CPUArchState *env, target_ulong addr,
{
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, true,
ATOMIC_MMU_IDX);
atomic_trace_st_pre(env, addr, info);
atomic16_set(haddr, val);
ATOMIC_TRACE_ST;
__atomic_store(haddr, &val, __ATOMIC_RELAXED);
ATOMIC_MMU_CLEANUP;
atomic_trace_st_post(env, addr, info);
}
#endif
#else
ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr,
ABI_TYPE val EXTRA_ARGS)
@@ -130,31 +134,24 @@ ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr,
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
DATA_TYPE ret;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, false,
ATOMIC_MMU_IDX);
atomic_trace_rmw_pre(env, addr, info);
ATOMIC_TRACE_RMW;
ret = atomic_xchg__nocheck(haddr, val);
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, info);
return ret;
}
#define GEN_ATOMIC_HELPER(X) \
ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
ABI_TYPE val EXTRA_ARGS) \
ABI_TYPE val EXTRA_ARGS) \
{ \
ATOMIC_MMU_DECLS; \
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP; \
DATA_TYPE ret; \
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, \
false, \
ATOMIC_MMU_IDX); \
\
atomic_trace_rmw_pre(env, addr, info); \
ATOMIC_TRACE_RMW; \
ret = atomic_##X(haddr, val); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, info); \
return ret; \
}
@@ -183,11 +180,8 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
ATOMIC_MMU_DECLS; \
XDATA_TYPE *haddr = ATOMIC_MMU_LOOKUP; \
XDATA_TYPE cmp, old, new, val = xval; \
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, \
false, \
ATOMIC_MMU_IDX); \
\
atomic_trace_rmw_pre(env, addr, info); \
ATOMIC_TRACE_RMW; \
smp_mb(); \
cmp = atomic_read__nocheck(haddr); \
do { \
@@ -195,7 +189,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
cmp = atomic_cmpxchg__nocheck(haddr, old, new); \
} while (cmp != old); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, info); \
return RET; \
}
@@ -233,35 +226,22 @@ ABI_TYPE ATOMIC_NAME(cmpxchg)(CPUArchState *env, target_ulong addr,
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
DATA_TYPE ret;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT,
false,
ATOMIC_MMU_IDX);
atomic_trace_rmw_pre(env, addr, info);
#if DATA_SIZE == 16
ret = atomic16_cmpxchg(haddr, BSWAP(cmpv), BSWAP(newv));
#else
ATOMIC_TRACE_RMW;
ret = atomic_cmpxchg__nocheck(haddr, BSWAP(cmpv), BSWAP(newv));
#endif
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, info);
return BSWAP(ret);
}
#if DATA_SIZE >= 16
#if HAVE_ATOMIC128
ABI_TYPE ATOMIC_NAME(ld)(CPUArchState *env, target_ulong addr EXTRA_ARGS)
{
ATOMIC_MMU_DECLS;
DATA_TYPE val, *haddr = ATOMIC_MMU_LOOKUP;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT,
false,
ATOMIC_MMU_IDX);
atomic_trace_ld_pre(env, addr, info);
val = atomic16_read(haddr);
ATOMIC_TRACE_LD;
__atomic_load(haddr, &val, __ATOMIC_RELAXED);
ATOMIC_MMU_CLEANUP;
atomic_trace_ld_post(env, addr, info);
return BSWAP(val);
}
@@ -270,18 +250,12 @@ void ATOMIC_NAME(st)(CPUArchState *env, target_ulong addr,
{
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT,
true,
ATOMIC_MMU_IDX);
ATOMIC_TRACE_ST;
val = BSWAP(val);
atomic_trace_st_pre(env, addr, info);
val = BSWAP(val);
atomic16_set(haddr, val);
__atomic_store(haddr, &val, __ATOMIC_RELAXED);
ATOMIC_MMU_CLEANUP;
atomic_trace_st_post(env, addr, info);
}
#endif
#else
ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr,
ABI_TYPE val EXTRA_ARGS)
@@ -289,32 +263,24 @@ ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr,
ATOMIC_MMU_DECLS;
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;
ABI_TYPE ret;
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT,
false,
ATOMIC_MMU_IDX);
atomic_trace_rmw_pre(env, addr, info);
ATOMIC_TRACE_RMW;
ret = atomic_xchg__nocheck(haddr, BSWAP(val));
ATOMIC_MMU_CLEANUP;
atomic_trace_rmw_post(env, addr, info);
return BSWAP(ret);
}
#define GEN_ATOMIC_HELPER(X) \
ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
ABI_TYPE val EXTRA_ARGS) \
ABI_TYPE val EXTRA_ARGS) \
{ \
ATOMIC_MMU_DECLS; \
DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP; \
DATA_TYPE ret; \
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, \
false, \
ATOMIC_MMU_IDX); \
\
atomic_trace_rmw_pre(env, addr, info); \
ATOMIC_TRACE_RMW; \
ret = atomic_##X(haddr, BSWAP(val)); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, info); \
return BSWAP(ret); \
}
@@ -341,11 +307,8 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
ATOMIC_MMU_DECLS; \
XDATA_TYPE *haddr = ATOMIC_MMU_LOOKUP; \
XDATA_TYPE ldo, ldn, old, new, val = xval; \
uint16_t info = glue(trace_mem_build_info_no_se, MEND)(SHIFT, \
false, \
ATOMIC_MMU_IDX); \
\
atomic_trace_rmw_pre(env, addr, info); \
ATOMIC_TRACE_RMW; \
smp_mb(); \
ldn = atomic_read__nocheck(haddr); \
do { \
@@ -353,7 +316,6 @@ ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr, \
ldn = atomic_cmpxchg__nocheck(haddr, ldo, BSWAP(new)); \
} while (ldo != ldn); \
ATOMIC_MMU_CLEANUP; \
atomic_trace_rmw_post(env, addr, info); \
return RET; \
}
@@ -381,6 +343,10 @@ GEN_ATOMIC_HELPER_FN(add_fetch, ADD, DATA_TYPE, new)
#undef MEND
#endif /* DATA_SIZE > 1 */
#undef ATOMIC_TRACE_ST
#undef ATOMIC_TRACE_LD
#undef ATOMIC_TRACE_RMW
#undef BSWAP
#undef ABI_TYPE
#undef DATA_TYPE
+1 -2
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -20,7 +20,6 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "sysemu/cpus.h"
#include "sysemu/tcg.h"
#include "exec/exec-all.h"
bool tcg_allowed;
+18 -27
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -16,9 +16,7 @@
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "trace.h"
#include "disas/disas.h"
@@ -56,7 +54,7 @@ typedef struct SyncClocks {
#define MAX_DELAY_PRINT_RATE 2000000000LL
#define MAX_NB_PRINTS 100
static void align_clocks(SyncClocks *sc, CPUState *cpu)
static void align_clocks(SyncClocks *sc, const CPUState *cpu)
{
int64_t cpu_icount;
@@ -64,7 +62,7 @@ static void align_clocks(SyncClocks *sc, CPUState *cpu)
return;
}
cpu_icount = cpu->icount_extra + cpu_neg(cpu)->icount_decr.u16.low;
cpu_icount = cpu->icount_extra + cpu->icount_decr.u16.low;
sc->diff_clk += cpu_icount_to_ns(sc->last_cpu_icount - cpu_icount);
sc->last_cpu_icount = cpu_icount;
@@ -107,15 +105,15 @@ static void print_delay(const SyncClocks *sc)
}
}
static void init_delay_params(SyncClocks *sc, CPUState *cpu)
static void init_delay_params(SyncClocks *sc,
const CPUState *cpu)
{
if (!icount_align_option) {
return;
}
sc->realtime_clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT);
sc->diff_clk = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - sc->realtime_clock;
sc->last_cpu_icount
= cpu->icount_extra + cpu_neg(cpu)->icount_decr.u16.low;
sc->last_cpu_icount = cpu->icount_extra + cpu->icount_decr.u16.low;
if (sc->diff_clk < max_delay) {
max_delay = sc->diff_clk;
}
@@ -169,6 +167,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
}
#endif /* DEBUG_DISAS */
cpu->can_do_io = !use_icount;
ret = tcg_qemu_tb_exec(env, tb_ptr);
cpu->can_do_io = 1;
last_tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
@@ -238,6 +237,8 @@ void cpu_exec_step_atomic(CPUState *cpu)
uint32_t flags;
uint32_t cflags = 1;
uint32_t cf_mask = cflags & CF_HASH_MASK;
/* volatile because we modify it between setjmp and longjmp */
volatile bool in_exclusive_region = false;
if (sigsetjmp(cpu->jmp_env, 0) == 0) {
tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask);
@@ -251,6 +252,7 @@ void cpu_exec_step_atomic(CPUState *cpu)
/* Since we got here, we know that parallel_cpus must be true. */
parallel_cpus = false;
in_exclusive_region = true;
cc->cpu_exec_enter(cpu);
/* execute the generated code */
trace_exec_tb(tb, pc);
@@ -264,14 +266,10 @@ void cpu_exec_step_atomic(CPUState *cpu)
#ifndef CONFIG_SOFTMMU
tcg_debug_assert(!have_mmap_lock());
#endif
if (qemu_mutex_iothread_locked()) {
qemu_mutex_unlock_iothread();
}
assert_no_pages_locked();
qemu_plugin_disable_mem_helpers(cpu);
}
if (cpu_in_exclusive_context(cpu)) {
if (in_exclusive_region) {
/* We might longjump out of either the codegen or the
* execution, so must make sure we only end the exclusive
* region if we started it.
@@ -334,9 +332,6 @@ TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc,
desc.trace_vcpu_dstate = *cpu->trace_dstate;
desc.pc = pc;
phys_pc = get_page_addr_code(desc.env, pc);
if (phys_pc == -1) {
return NULL;
}
desc.phys_page1 = phys_pc & TARGET_PAGE_MASK;
h = tb_hash_func(phys_pc, pc, flags, cf_mask, *cpu->trace_dstate);
return qht_lookup_custom(&tb_ctx.htable, &desc, h, tb_lookup_cmp);
@@ -418,7 +413,7 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
}
#endif
/* See if we can patch the calling TB. */
if (last_tb) {
if (last_tb && !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
tb_add_jump(last_tb, tb_exit, tb);
}
return tb;
@@ -466,7 +461,7 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret)
if (cpu->exception_index < 0) {
#ifndef CONFIG_USER_ONLY
if (replay_has_exception()
&& cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra == 0) {
&& cpu->icount_decr.u16.low + cpu->icount_extra == 0) {
/* try to cause an exception pending in the log */
cpu_exec_nocache(cpu, 1, tb_find(cpu, NULL, 0, curr_cflags()), true);
}
@@ -524,7 +519,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
* Ensure zeroing happens before reading cpu->exit_request or
* cpu->interrupt_request (see also smp_wmb in cpu_exit())
*/
atomic_mb_set(&cpu_neg(cpu)->icount_decr.u16.high, 0);
atomic_mb_set(&cpu->icount_decr.u16.high, 0);
if (unlikely(atomic_read(&cpu->interrupt_request))) {
int interrupt_request;
@@ -595,9 +590,8 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
}
/* Finally, check if we need to exit to the main loop. */
if (unlikely(atomic_read(&cpu->exit_request))
|| (use_icount
&& cpu_neg(cpu)->icount_decr.u16.low + cpu->icount_extra == 0)) {
if (unlikely(atomic_read(&cpu->exit_request)
|| (use_icount && cpu->icount_decr.u16.low + cpu->icount_extra == 0))) {
atomic_set(&cpu->exit_request, 0);
if (cpu->exception_index == -1) {
cpu->exception_index = EXCP_INTERRUPT;
@@ -624,7 +618,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
}
*last_tb = NULL;
insns_left = atomic_read(&cpu_neg(cpu)->icount_decr.u32);
insns_left = atomic_read(&cpu->icount_decr.u32);
if (insns_left < 0) {
/* Something asked us to stop executing chained TBs; just
* continue round the main loop. Whatever requested the exit
@@ -643,7 +637,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
cpu_update_icount(cpu);
/* Refill decrementer and continue execution. */
insns_left = MIN(0xffff, cpu->icount_budget);
cpu_neg(cpu)->icount_decr.u16.low = insns_left;
cpu->icount_decr.u16.low = insns_left;
cpu->icount_extra = cpu->icount_budget - insns_left;
if (!cpu->icount_extra) {
/* Execute any remaining instructions, then let the main loop
@@ -702,9 +696,6 @@ int cpu_exec(CPUState *cpu)
if (qemu_mutex_iothread_locked()) {
qemu_mutex_unlock_iothread();
}
qemu_plugin_disable_mem_helpers(cpu);
assert_no_pages_locked();
}
/* if an exception is pending, we execute it here */
+557 -1329
View File
File diff suppressed because it is too large Load Diff
-932
View File
@@ -1,932 +0,0 @@
/*
* plugin-gen.c - TCG-related bits of plugin infrastructure
*
* Copyright (C) 2018, Emilio G. Cota <cota@braap.org>
* License: GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
* We support instrumentation at an instruction granularity. That is,
* if a plugin wants to instrument the memory accesses performed by a
* particular instruction, it can just do that instead of instrumenting
* all memory accesses. Thus, in order to do this we first have to
* translate a TB, so that plugins can decide what/where to instrument.
*
* Injecting the desired instrumentation could be done with a second
* translation pass that combined the instrumentation requests, but that
* would be ugly and inefficient since we would decode the guest code twice.
* Instead, during TB translation we add "empty" instrumentation calls for all
* possible instrumentation events, and then once we collect the instrumentation
* requests from plugins, we either "fill in" those empty events or remove them
* if they have no requests.
*
* When "filling in" an event we first copy the empty callback's TCG ops. This
* might seem unnecessary, but it is done to support an arbitrary number
* of callbacks per event. Take for example a regular instruction callback.
* We first generate a callback to an empty helper function. Then, if two
* plugins register one callback each for this instruction, we make two copies
* of the TCG ops generated for the empty callback, substituting the function
* pointer that points to the empty helper function with the plugins' desired
* callback functions. After that we remove the empty callback's ops.
*
* Note that the location in TCGOp.args[] of the pointer to a helper function
* varies across different guest and host architectures. Instead of duplicating
* the logic that figures this out, we rely on the fact that the empty
* callbacks point to empty functions that are unique pointers in the program.
* Thus, to find the right location we just have to look for a match in
* TCGOp.args[]. This is the main reason why we first copy an empty callback's
* TCG ops and then fill them in; regardless of whether we have one or many
* callbacks for that event, the logic to add all of them is the same.
*
* When generating more than one callback per event, we make a small
* optimization to avoid generating redundant operations. For instance, for the
* second and all subsequent callbacks of an event, we do not need to reload the
* CPU's index into a TCG temp, since the first callback did it already.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "tcg/tcg.h"
#include "tcg/tcg-op.h"
#include "trace/mem.h"
#include "exec/exec-all.h"
#include "exec/plugin-gen.h"
#include "exec/translator.h"
#ifdef CONFIG_SOFTMMU
# define CONFIG_SOFTMMU_GATE 1
#else
# define CONFIG_SOFTMMU_GATE 0
#endif
/*
* plugin_cb_start TCG op args[]:
* 0: enum plugin_gen_from
* 1: enum plugin_gen_cb
* 2: set to 1 for mem callback that is a write, 0 otherwise.
*/
enum plugin_gen_from {
PLUGIN_GEN_FROM_TB,
PLUGIN_GEN_FROM_INSN,
PLUGIN_GEN_FROM_MEM,
PLUGIN_GEN_AFTER_INSN,
PLUGIN_GEN_N_FROMS,
};
enum plugin_gen_cb {
PLUGIN_GEN_CB_UDATA,
PLUGIN_GEN_CB_INLINE,
PLUGIN_GEN_CB_MEM,
PLUGIN_GEN_ENABLE_MEM_HELPER,
PLUGIN_GEN_DISABLE_MEM_HELPER,
PLUGIN_GEN_N_CBS,
};
/*
* These helpers are stubs that get dynamically switched out for calls
* direct to the plugin if they are subscribed to.
*/
void HELPER(plugin_vcpu_udata_cb)(uint32_t cpu_index, void *udata)
{ }
void HELPER(plugin_vcpu_mem_cb)(unsigned int vcpu_index,
qemu_plugin_meminfo_t info, uint64_t vaddr,
void *userdata)
{ }
static void do_gen_mem_cb(TCGv vaddr, uint32_t info)
{
TCGv_i32 cpu_index = tcg_temp_new_i32();
TCGv_i32 meminfo = tcg_const_i32(info);
TCGv_i64 vaddr64 = tcg_temp_new_i64();
TCGv_ptr udata = tcg_const_ptr(NULL);
tcg_gen_ld_i32(cpu_index, cpu_env,
-offsetof(ArchCPU, env) + offsetof(CPUState, cpu_index));
tcg_gen_extu_tl_i64(vaddr64, vaddr);
gen_helper_plugin_vcpu_mem_cb(cpu_index, meminfo, vaddr64, udata);
tcg_temp_free_ptr(udata);
tcg_temp_free_i64(vaddr64);
tcg_temp_free_i32(meminfo);
tcg_temp_free_i32(cpu_index);
}
static void gen_empty_udata_cb(void)
{
TCGv_i32 cpu_index = tcg_temp_new_i32();
TCGv_ptr udata = tcg_const_ptr(NULL); /* will be overwritten later */
tcg_gen_ld_i32(cpu_index, cpu_env,
-offsetof(ArchCPU, env) + offsetof(CPUState, cpu_index));
gen_helper_plugin_vcpu_udata_cb(cpu_index, udata);
tcg_temp_free_ptr(udata);
tcg_temp_free_i32(cpu_index);
}
/*
* For now we only support addi_i64.
* When we support more ops, we can generate one empty inline cb for each.
*/
static void gen_empty_inline_cb(void)
{
TCGv_i64 val = tcg_temp_new_i64();
TCGv_ptr ptr = tcg_const_ptr(NULL); /* overwritten later */
tcg_gen_ld_i64(val, ptr, 0);
/* pass an immediate != 0 so that it doesn't get optimized away */
tcg_gen_addi_i64(val, val, 0xdeadface);
tcg_gen_st_i64(val, ptr, 0);
tcg_temp_free_ptr(ptr);
tcg_temp_free_i64(val);
}
static void gen_empty_mem_cb(TCGv addr, uint32_t info)
{
do_gen_mem_cb(addr, info);
}
/*
* Share the same function for enable/disable. When enabling, the NULL
* pointer will be overwritten later.
*/
static void gen_empty_mem_helper(void)
{
TCGv_ptr ptr;
ptr = tcg_const_ptr(NULL);
tcg_gen_st_ptr(ptr, cpu_env, offsetof(CPUState, plugin_mem_cbs) -
offsetof(ArchCPU, env));
tcg_temp_free_ptr(ptr);
}
static inline
void gen_plugin_cb_start(enum plugin_gen_from from,
enum plugin_gen_cb type, unsigned wr)
{
TCGOp *op;
tcg_gen_plugin_cb_start(from, type, wr);
op = tcg_last_op();
QSIMPLEQ_INSERT_TAIL(&tcg_ctx->plugin_ops, op, plugin_link);
}
static void gen_wrapped(enum plugin_gen_from from,
enum plugin_gen_cb type, void (*func)(void))
{
gen_plugin_cb_start(from, type, 0);
func();
tcg_gen_plugin_cb_end();
}
static inline void plugin_gen_empty_callback(enum plugin_gen_from from)
{
switch (from) {
case PLUGIN_GEN_AFTER_INSN:
gen_wrapped(from, PLUGIN_GEN_DISABLE_MEM_HELPER,
gen_empty_mem_helper);
break;
case PLUGIN_GEN_FROM_INSN:
/*
* Note: plugin_gen_inject() relies on ENABLE_MEM_HELPER being
* the first callback of an instruction
*/
gen_wrapped(from, PLUGIN_GEN_ENABLE_MEM_HELPER,
gen_empty_mem_helper);
/* fall through */
case PLUGIN_GEN_FROM_TB:
gen_wrapped(from, PLUGIN_GEN_CB_UDATA, gen_empty_udata_cb);
gen_wrapped(from, PLUGIN_GEN_CB_INLINE, gen_empty_inline_cb);
break;
default:
g_assert_not_reached();
}
}
union mem_gen_fn {
void (*mem_fn)(TCGv, uint32_t);
void (*inline_fn)(void);
};
static void gen_mem_wrapped(enum plugin_gen_cb type,
const union mem_gen_fn *f, TCGv addr,
uint32_t info, bool is_mem)
{
int wr = !!(info & TRACE_MEM_ST);
gen_plugin_cb_start(PLUGIN_GEN_FROM_MEM, type, wr);
if (is_mem) {
f->mem_fn(addr, info);
} else {
f->inline_fn();
}
tcg_gen_plugin_cb_end();
}
void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info)
{
union mem_gen_fn fn;
fn.mem_fn = gen_empty_mem_cb;
gen_mem_wrapped(PLUGIN_GEN_CB_MEM, &fn, addr, info, true);
fn.inline_fn = gen_empty_inline_cb;
gen_mem_wrapped(PLUGIN_GEN_CB_INLINE, &fn, 0, info, false);
}
static TCGOp *find_op(TCGOp *op, TCGOpcode opc)
{
while (op) {
if (op->opc == opc) {
return op;
}
op = QTAILQ_NEXT(op, link);
}
return NULL;
}
static TCGOp *rm_ops_range(TCGOp *begin, TCGOp *end)
{
TCGOp *ret = QTAILQ_NEXT(end, link);
QTAILQ_REMOVE_SEVERAL(&tcg_ctx->ops, begin, end, link);
return ret;
}
/* remove all ops until (and including) plugin_cb_end */
static TCGOp *rm_ops(TCGOp *op)
{
TCGOp *end_op = find_op(op, INDEX_op_plugin_cb_end);
tcg_debug_assert(end_op);
return rm_ops_range(op, end_op);
}
static TCGOp *copy_op_nocheck(TCGOp **begin_op, TCGOp *op)
{
*begin_op = QTAILQ_NEXT(*begin_op, link);
tcg_debug_assert(*begin_op);
op = tcg_op_insert_after(tcg_ctx, op, (*begin_op)->opc);
memcpy(op->args, (*begin_op)->args, sizeof(op->args));
return op;
}
static TCGOp *copy_op(TCGOp **begin_op, TCGOp *op, TCGOpcode opc)
{
op = copy_op_nocheck(begin_op, op);
tcg_debug_assert((*begin_op)->opc == opc);
return op;
}
static TCGOp *copy_extu_i32_i64(TCGOp **begin_op, TCGOp *op)
{
if (TCG_TARGET_REG_BITS == 32) {
/* mov_i32 */
op = copy_op(begin_op, op, INDEX_op_mov_i32);
/* movi_i32 */
op = copy_op(begin_op, op, INDEX_op_movi_i32);
} else {
/* extu_i32_i64 */
op = copy_op(begin_op, op, INDEX_op_extu_i32_i64);
}
return op;
}
static TCGOp *copy_mov_i64(TCGOp **begin_op, TCGOp *op)
{
if (TCG_TARGET_REG_BITS == 32) {
/* 2x mov_i32 */
op = copy_op(begin_op, op, INDEX_op_mov_i32);
op = copy_op(begin_op, op, INDEX_op_mov_i32);
} else {
/* mov_i64 */
op = copy_op(begin_op, op, INDEX_op_mov_i64);
}
return op;
}
static TCGOp *copy_movi_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
{
if (TCG_TARGET_REG_BITS == 32) {
/* 2x movi_i32 */
op = copy_op(begin_op, op, INDEX_op_movi_i32);
op->args[1] = v;
op = copy_op(begin_op, op, INDEX_op_movi_i32);
op->args[1] = v >> 32;
} else {
/* movi_i64 */
op = copy_op(begin_op, op, INDEX_op_movi_i64);
op->args[1] = v;
}
return op;
}
static TCGOp *copy_const_ptr(TCGOp **begin_op, TCGOp *op, void *ptr)
{
if (UINTPTR_MAX == UINT32_MAX) {
/* movi_i32 */
op = copy_op(begin_op, op, INDEX_op_movi_i32);
op->args[1] = (uintptr_t)ptr;
} else {
/* movi_i64 */
op = copy_movi_i64(begin_op, op, (uint64_t)(uintptr_t)ptr);
}
return op;
}
static TCGOp *copy_const_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
{
return copy_movi_i64(begin_op, op, v);
}
static TCGOp *copy_extu_tl_i64(TCGOp **begin_op, TCGOp *op)
{
if (TARGET_LONG_BITS == 32) {
/* extu_i32_i64 */
op = copy_extu_i32_i64(begin_op, op);
} else {
/* mov_i64 */
op = copy_mov_i64(begin_op, op);
}
return op;
}
static TCGOp *copy_ld_i64(TCGOp **begin_op, TCGOp *op)
{
if (TCG_TARGET_REG_BITS == 32) {
/* 2x ld_i32 */
op = copy_op(begin_op, op, INDEX_op_ld_i32);
op = copy_op(begin_op, op, INDEX_op_ld_i32);
} else {
/* ld_i64 */
op = copy_op(begin_op, op, INDEX_op_ld_i64);
}
return op;
}
static TCGOp *copy_st_i64(TCGOp **begin_op, TCGOp *op)
{
if (TCG_TARGET_REG_BITS == 32) {
/* 2x st_i32 */
op = copy_op(begin_op, op, INDEX_op_st_i32);
op = copy_op(begin_op, op, INDEX_op_st_i32);
} else {
/* st_i64 */
op = copy_op(begin_op, op, INDEX_op_st_i64);
}
return op;
}
static TCGOp *copy_add_i64(TCGOp **begin_op, TCGOp *op)
{
if (TCG_TARGET_REG_BITS == 32) {
/* all 32-bit backends must implement add2_i32 */
g_assert(TCG_TARGET_HAS_add2_i32);
op = copy_op(begin_op, op, INDEX_op_add2_i32);
} else {
op = copy_op(begin_op, op, INDEX_op_add_i64);
}
return op;
}
static TCGOp *copy_st_ptr(TCGOp **begin_op, TCGOp *op)
{
if (UINTPTR_MAX == UINT32_MAX) {
/* st_i32 */
op = copy_op(begin_op, op, INDEX_op_st_i32);
} else {
/* st_i64 */
op = copy_st_i64(begin_op, op);
}
return op;
}
static TCGOp *copy_call(TCGOp **begin_op, TCGOp *op, void *empty_func,
void *func, unsigned tcg_flags, int *cb_idx)
{
/* copy all ops until the call */
do {
op = copy_op_nocheck(begin_op, op);
} while (op->opc != INDEX_op_call);
/* fill in the op call */
op->param1 = (*begin_op)->param1;
op->param2 = (*begin_op)->param2;
tcg_debug_assert(op->life == 0);
if (*cb_idx == -1) {
int i;
/*
* Instead of working out the position of the callback in args[], just
* look for @empty_func, since it should be a unique pointer.
*/
for (i = 0; i < MAX_OPC_PARAM_ARGS; i++) {
if ((uintptr_t)(*begin_op)->args[i] == (uintptr_t)empty_func) {
*cb_idx = i;
break;
}
}
tcg_debug_assert(i < MAX_OPC_PARAM_ARGS);
}
op->args[*cb_idx] = (uintptr_t)func;
op->args[*cb_idx + 1] = tcg_flags;
return op;
}
static TCGOp *append_udata_cb(const struct qemu_plugin_dyn_cb *cb,
TCGOp *begin_op, TCGOp *op, int *cb_idx)
{
/* const_ptr */
op = copy_const_ptr(&begin_op, op, cb->userp);
/* copy the ld_i32, but note that we only have to copy it once */
begin_op = QTAILQ_NEXT(begin_op, link);
tcg_debug_assert(begin_op && begin_op->opc == INDEX_op_ld_i32);
if (*cb_idx == -1) {
op = tcg_op_insert_after(tcg_ctx, op, INDEX_op_ld_i32);
memcpy(op->args, begin_op->args, sizeof(op->args));
}
/* call */
op = copy_call(&begin_op, op, HELPER(plugin_vcpu_udata_cb),
cb->f.vcpu_udata, cb->tcg_flags, cb_idx);
return op;
}
static TCGOp *append_inline_cb(const struct qemu_plugin_dyn_cb *cb,
TCGOp *begin_op, TCGOp *op,
int *unused)
{
/* const_ptr */
op = copy_const_ptr(&begin_op, op, cb->userp);
/* ld_i64 */
op = copy_ld_i64(&begin_op, op);
/* const_i64 */
op = copy_const_i64(&begin_op, op, cb->inline_insn.imm);
/* add_i64 */
op = copy_add_i64(&begin_op, op);
/* st_i64 */
op = copy_st_i64(&begin_op, op);
return op;
}
static TCGOp *append_mem_cb(const struct qemu_plugin_dyn_cb *cb,
TCGOp *begin_op, TCGOp *op, int *cb_idx)
{
enum plugin_gen_cb type = begin_op->args[1];
tcg_debug_assert(type == PLUGIN_GEN_CB_MEM);
/* const_i32 == movi_i32 ("info", so it remains as is) */
op = copy_op(&begin_op, op, INDEX_op_movi_i32);
/* const_ptr */
op = copy_const_ptr(&begin_op, op, cb->userp);
/* copy the ld_i32, but note that we only have to copy it once */
begin_op = QTAILQ_NEXT(begin_op, link);
tcg_debug_assert(begin_op && begin_op->opc == INDEX_op_ld_i32);
if (*cb_idx == -1) {
op = tcg_op_insert_after(tcg_ctx, op, INDEX_op_ld_i32);
memcpy(op->args, begin_op->args, sizeof(op->args));
}
/* extu_tl_i64 */
op = copy_extu_tl_i64(&begin_op, op);
if (type == PLUGIN_GEN_CB_MEM) {
/* call */
op = copy_call(&begin_op, op, HELPER(plugin_vcpu_mem_cb),
cb->f.vcpu_udata, cb->tcg_flags, cb_idx);
}
return op;
}
typedef TCGOp *(*inject_fn)(const struct qemu_plugin_dyn_cb *cb,
TCGOp *begin_op, TCGOp *op, int *intp);
typedef bool (*op_ok_fn)(const TCGOp *op, const struct qemu_plugin_dyn_cb *cb);
static bool op_ok(const TCGOp *op, const struct qemu_plugin_dyn_cb *cb)
{
return true;
}
static bool op_rw(const TCGOp *op, const struct qemu_plugin_dyn_cb *cb)
{
int w;
w = op->args[2];
return !!(cb->rw & (w + 1));
}
static inline
void inject_cb_type(const GArray *cbs, TCGOp *begin_op, inject_fn inject,
op_ok_fn ok)
{
TCGOp *end_op;
TCGOp *op;
int cb_idx = -1;
int i;
if (!cbs || cbs->len == 0) {
rm_ops(begin_op);
return;
}
end_op = find_op(begin_op, INDEX_op_plugin_cb_end);
tcg_debug_assert(end_op);
op = end_op;
for (i = 0; i < cbs->len; i++) {
struct qemu_plugin_dyn_cb *cb =
&g_array_index(cbs, struct qemu_plugin_dyn_cb, i);
if (!ok(begin_op, cb)) {
continue;
}
op = inject(cb, begin_op, op, &cb_idx);
}
rm_ops_range(begin_op, end_op);
}
static void
inject_udata_cb(const GArray *cbs, TCGOp *begin_op)
{
inject_cb_type(cbs, begin_op, append_udata_cb, op_ok);
}
static void
inject_inline_cb(const GArray *cbs, TCGOp *begin_op, op_ok_fn ok)
{
inject_cb_type(cbs, begin_op, append_inline_cb, ok);
}
static void
inject_mem_cb(const GArray *cbs, TCGOp *begin_op)
{
inject_cb_type(cbs, begin_op, append_mem_cb, op_rw);
}
/* we could change the ops in place, but we can reuse more code by copying */
static void inject_mem_helper(TCGOp *begin_op, GArray *arr)
{
TCGOp *orig_op = begin_op;
TCGOp *end_op;
TCGOp *op;
end_op = find_op(begin_op, INDEX_op_plugin_cb_end);
tcg_debug_assert(end_op);
/* const ptr */
op = copy_const_ptr(&begin_op, end_op, arr);
/* st_ptr */
op = copy_st_ptr(&begin_op, op);
rm_ops_range(orig_op, end_op);
}
/*
* Tracking memory accesses performed from helpers requires extra work.
* If an instruction is emulated with helpers, we do two things:
* (1) copy the CB descriptors, and keep track of it so that they can be
* freed later on, and (2) point CPUState.plugin_mem_cbs to the descriptors, so
* that we can read them at run-time (i.e. when the helper executes).
* This run-time access is performed from qemu_plugin_vcpu_mem_cb.
*
* Note that plugin_gen_disable_mem_helpers undoes (2). Since it
* is possible that the code we generate after the instruction is
* dead, we also add checks before generating tb_exit etc.
*/
static void inject_mem_enable_helper(struct qemu_plugin_insn *plugin_insn,
TCGOp *begin_op)
{
GArray *cbs[2];
GArray *arr;
size_t n_cbs, i;
cbs[0] = plugin_insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_REGULAR];
cbs[1] = plugin_insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_INLINE];
n_cbs = 0;
for (i = 0; i < ARRAY_SIZE(cbs); i++) {
n_cbs += cbs[i]->len;
}
plugin_insn->mem_helper = plugin_insn->calls_helpers && n_cbs;
if (likely(!plugin_insn->mem_helper)) {
rm_ops(begin_op);
return;
}
arr = g_array_sized_new(false, false,
sizeof(struct qemu_plugin_dyn_cb), n_cbs);
for (i = 0; i < ARRAY_SIZE(cbs); i++) {
g_array_append_vals(arr, cbs[i]->data, cbs[i]->len);
}
qemu_plugin_add_dyn_cb_arr(arr);
inject_mem_helper(begin_op, arr);
}
static void inject_mem_disable_helper(struct qemu_plugin_insn *plugin_insn,
TCGOp *begin_op)
{
if (likely(!plugin_insn->mem_helper)) {
rm_ops(begin_op);
return;
}
inject_mem_helper(begin_op, NULL);
}
/* called before finishing a TB with exit_tb, goto_tb or goto_ptr */
void plugin_gen_disable_mem_helpers(void)
{
TCGv_ptr ptr;
if (likely(tcg_ctx->plugin_insn == NULL ||
!tcg_ctx->plugin_insn->mem_helper)) {
return;
}
ptr = tcg_const_ptr(NULL);
tcg_gen_st_ptr(ptr, cpu_env, offsetof(CPUState, plugin_mem_cbs) -
offsetof(ArchCPU, env));
tcg_temp_free_ptr(ptr);
tcg_ctx->plugin_insn->mem_helper = false;
}
static void plugin_gen_tb_udata(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op)
{
inject_udata_cb(ptb->cbs[PLUGIN_CB_REGULAR], begin_op);
}
static void plugin_gen_tb_inline(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op)
{
inject_inline_cb(ptb->cbs[PLUGIN_CB_INLINE], begin_op, op_ok);
}
static void plugin_gen_insn_udata(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
inject_udata_cb(insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_REGULAR], begin_op);
}
static void plugin_gen_insn_inline(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
inject_inline_cb(insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_INLINE],
begin_op, op_ok);
}
static void plugin_gen_mem_regular(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
inject_mem_cb(insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_REGULAR], begin_op);
}
static void plugin_gen_mem_inline(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
const GArray *cbs;
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
cbs = insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_INLINE];
inject_inline_cb(cbs, begin_op, op_rw);
}
static void plugin_gen_enable_mem_helper(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
inject_mem_enable_helper(insn, begin_op);
}
static void plugin_gen_disable_mem_helper(const struct qemu_plugin_tb *ptb,
TCGOp *begin_op, int insn_idx)
{
struct qemu_plugin_insn *insn = g_ptr_array_index(ptb->insns, insn_idx);
inject_mem_disable_helper(insn, begin_op);
}
static void plugin_inject_cb(const struct qemu_plugin_tb *ptb, TCGOp *begin_op,
int insn_idx)
{
enum plugin_gen_from from = begin_op->args[0];
enum plugin_gen_cb type = begin_op->args[1];
switch (from) {
case PLUGIN_GEN_FROM_TB:
switch (type) {
case PLUGIN_GEN_CB_UDATA:
plugin_gen_tb_udata(ptb, begin_op);
return;
case PLUGIN_GEN_CB_INLINE:
plugin_gen_tb_inline(ptb, begin_op);
return;
default:
g_assert_not_reached();
}
case PLUGIN_GEN_FROM_INSN:
switch (type) {
case PLUGIN_GEN_CB_UDATA:
plugin_gen_insn_udata(ptb, begin_op, insn_idx);
return;
case PLUGIN_GEN_CB_INLINE:
plugin_gen_insn_inline(ptb, begin_op, insn_idx);
return;
case PLUGIN_GEN_ENABLE_MEM_HELPER:
plugin_gen_enable_mem_helper(ptb, begin_op, insn_idx);
return;
default:
g_assert_not_reached();
}
case PLUGIN_GEN_FROM_MEM:
switch (type) {
case PLUGIN_GEN_CB_MEM:
plugin_gen_mem_regular(ptb, begin_op, insn_idx);
return;
case PLUGIN_GEN_CB_INLINE:
plugin_gen_mem_inline(ptb, begin_op, insn_idx);
return;
default:
g_assert_not_reached();
}
case PLUGIN_GEN_AFTER_INSN:
switch (type) {
case PLUGIN_GEN_DISABLE_MEM_HELPER:
plugin_gen_disable_mem_helper(ptb, begin_op, insn_idx);
return;
default:
g_assert_not_reached();
}
default:
g_assert_not_reached();
}
}
/* #define DEBUG_PLUGIN_GEN_OPS */
static void pr_ops(void)
{
#ifdef DEBUG_PLUGIN_GEN_OPS
TCGOp *op;
int i = 0;
QTAILQ_FOREACH(op, &tcg_ctx->ops, link) {
const char *name = "";
const char *type = "";
if (op->opc == INDEX_op_plugin_cb_start) {
switch (op->args[0]) {
case PLUGIN_GEN_FROM_TB:
name = "tb";
break;
case PLUGIN_GEN_FROM_INSN:
name = "insn";
break;
case PLUGIN_GEN_FROM_MEM:
name = "mem";
break;
case PLUGIN_GEN_AFTER_INSN:
name = "after insn";
break;
default:
break;
}
switch (op->args[1]) {
case PLUGIN_GEN_CB_UDATA:
type = "udata";
break;
case PLUGIN_GEN_CB_INLINE:
type = "inline";
break;
case PLUGIN_GEN_CB_MEM:
type = "mem";
break;
case PLUGIN_GEN_ENABLE_MEM_HELPER:
type = "enable mem helper";
break;
case PLUGIN_GEN_DISABLE_MEM_HELPER:
type = "disable mem helper";
break;
default:
break;
}
}
printf("op[%2i]: %s %s %s\n", i, tcg_op_defs[op->opc].name, name, type);
i++;
}
#endif
}
static void plugin_gen_inject(const struct qemu_plugin_tb *plugin_tb)
{
TCGOp *op;
int insn_idx;
pr_ops();
insn_idx = -1;
QSIMPLEQ_FOREACH(op, &tcg_ctx->plugin_ops, plugin_link) {
enum plugin_gen_from from = op->args[0];
enum plugin_gen_cb type = op->args[1];
tcg_debug_assert(op->opc == INDEX_op_plugin_cb_start);
/* ENABLE_MEM_HELPER is the first callback of an instruction */
if (from == PLUGIN_GEN_FROM_INSN &&
type == PLUGIN_GEN_ENABLE_MEM_HELPER) {
insn_idx++;
}
plugin_inject_cb(plugin_tb, op, insn_idx);
}
pr_ops();
}
bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb)
{
struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
bool ret = false;
if (test_bit(QEMU_PLUGIN_EV_VCPU_TB_TRANS, cpu->plugin_mask)) {
ret = true;
QSIMPLEQ_INIT(&tcg_ctx->plugin_ops);
ptb->vaddr = tb->pc;
ptb->vaddr2 = -1;
get_page_addr_code_hostp(cpu->env_ptr, tb->pc, &ptb->haddr1);
ptb->haddr2 = NULL;
plugin_gen_empty_callback(PLUGIN_GEN_FROM_TB);
}
return ret;
}
void plugin_gen_insn_start(CPUState *cpu, const DisasContextBase *db)
{
struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
struct qemu_plugin_insn *pinsn;
pinsn = qemu_plugin_tb_insn_get(ptb);
tcg_ctx->plugin_insn = pinsn;
pinsn->vaddr = db->pc_next;
plugin_gen_empty_callback(PLUGIN_GEN_FROM_INSN);
/*
* Detect page crossing to get the new host address.
* Note that we skip this when haddr1 == NULL, e.g. when we're
* fetching instructions from a region not backed by RAM.
*/
if (likely(ptb->haddr1 != NULL && ptb->vaddr2 == -1) &&
unlikely((db->pc_next & TARGET_PAGE_MASK) !=
(db->pc_first & TARGET_PAGE_MASK))) {
get_page_addr_code_hostp(cpu->env_ptr, db->pc_next,
&ptb->haddr2);
ptb->vaddr2 = db->pc_next;
}
if (likely(ptb->vaddr2 == -1)) {
pinsn->haddr = ptb->haddr1 + pinsn->vaddr - ptb->vaddr;
} else {
pinsn->haddr = ptb->haddr2 + pinsn->vaddr - ptb->vaddr2;
}
}
void plugin_gen_insn_end(void)
{
plugin_gen_empty_callback(PLUGIN_GEN_AFTER_INSN);
}
void plugin_gen_tb_end(CPUState *cpu)
{
struct qemu_plugin_tb *ptb = tcg_ctx->plugin_tb;
int i;
/* collect instrumentation requests */
qemu_plugin_tb_trans_cb(cpu, ptb);
/* inject the instrumentation at the appropriate places */
plugin_gen_inject(ptb);
/* clean up */
for (i = 0; i < PLUGIN_N_CB_SUBTYPES; i++) {
if (ptb->cbs[i]) {
g_array_set_size(ptb->cbs[i], 0);
}
}
ptb->n = 0;
tcg_ctx->plugin_insn = NULL;
}
-5
View File
@@ -1,5 +0,0 @@
#ifdef CONFIG_PLUGIN
/* Note: no TCG flags because those are overwritten later */
DEF_HELPER_2(plugin_vcpu_udata_cb, void, i32, ptr)
DEF_HELPER_4(plugin_vcpu_mem_cb, void, i32, i32, i64, ptr)
#endif
+439
View File
@@ -0,0 +1,439 @@
/*
* Software MMU support
*
* Generate helpers used by TCG for qemu_ld/st ops and code load
* functions.
*
* Included from target op helpers and exec.c.
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if DATA_SIZE == 8
#define SUFFIX q
#define LSUFFIX q
#define SDATA_TYPE int64_t
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
#define LSUFFIX l
#define SDATA_TYPE int32_t
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
#define LSUFFIX uw
#define SDATA_TYPE int16_t
#define DATA_TYPE uint16_t
#elif DATA_SIZE == 1
#define SUFFIX b
#define LSUFFIX ub
#define SDATA_TYPE int8_t
#define DATA_TYPE uint8_t
#else
#error unsupported data size
#endif
/* For the benefit of TCG generated code, we want to avoid the complication
of ABI-specific return type promotion and always return a value extended
to the register size of the host. This is tcg_target_long, except in the
case of a 32-bit host and 64-bit data, and for that we always have
uint64_t. Don't bother with this widened value for SOFTMMU_CODE_ACCESS. */
#if defined(SOFTMMU_CODE_ACCESS) || DATA_SIZE == 8
# define WORD_TYPE DATA_TYPE
# define USUFFIX SUFFIX
#else
# define WORD_TYPE tcg_target_ulong
# define USUFFIX glue(u, SUFFIX)
# define SSUFFIX glue(s, SUFFIX)
#endif
#ifdef SOFTMMU_CODE_ACCESS
#define READ_ACCESS_TYPE MMU_INST_FETCH
#define ADDR_READ addr_code
#else
#define READ_ACCESS_TYPE MMU_DATA_LOAD
#define ADDR_READ addr_read
#endif
#if DATA_SIZE == 8
# define BSWAP(X) bswap64(X)
#elif DATA_SIZE == 4
# define BSWAP(X) bswap32(X)
#elif DATA_SIZE == 2
# define BSWAP(X) bswap16(X)
#else
# define BSWAP(X) (X)
#endif
#if DATA_SIZE == 1
# define helper_le_ld_name glue(glue(helper_ret_ld, USUFFIX), MMUSUFFIX)
# define helper_be_ld_name helper_le_ld_name
# define helper_le_lds_name glue(glue(helper_ret_ld, SSUFFIX), MMUSUFFIX)
# define helper_be_lds_name helper_le_lds_name
# define helper_le_st_name glue(glue(helper_ret_st, SUFFIX), MMUSUFFIX)
# define helper_be_st_name helper_le_st_name
#else
# define helper_le_ld_name glue(glue(helper_le_ld, USUFFIX), MMUSUFFIX)
# define helper_be_ld_name glue(glue(helper_be_ld, USUFFIX), MMUSUFFIX)
# define helper_le_lds_name glue(glue(helper_le_ld, SSUFFIX), MMUSUFFIX)
# define helper_be_lds_name glue(glue(helper_be_ld, SSUFFIX), MMUSUFFIX)
# define helper_le_st_name glue(glue(helper_le_st, SUFFIX), MMUSUFFIX)
# define helper_be_st_name glue(glue(helper_be_st, SUFFIX), MMUSUFFIX)
#endif
#ifndef SOFTMMU_CODE_ACCESS
static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env,
size_t mmu_idx, size_t index,
target_ulong addr,
uintptr_t retaddr,
bool recheck)
{
CPUIOTLBEntry *iotlbentry = &env->iotlb[mmu_idx][index];
return io_readx(env, iotlbentry, mmu_idx, addr, retaddr, recheck,
DATA_SIZE);
}
#endif
WORD_TYPE helper_le_ld_name(CPUArchState *env, target_ulong addr,
TCGMemOpIdx oi, uintptr_t retaddr)
{
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
unsigned a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
DATA_TYPE res;
if (addr & ((1 << a_bits) - 1)) {
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
/* If the TLB entry is for a different page, reload and try again. */
if (!tlb_hit(tlb_addr, addr)) {
if (!VICTIM_TLB_HIT(ADDR_READ, addr)) {
tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
}
/* Handle an IO access. */
if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) {
if ((addr & (DATA_SIZE - 1)) != 0) {
goto do_unaligned_access;
}
/* ??? Note that the io helpers always read data in the target
byte ordering. We should push the LE/BE request down into io. */
res = glue(io_read, SUFFIX)(env, mmu_idx, index, addr, retaddr,
tlb_addr & TLB_RECHECK);
res = TGT_LE(res);
return res;
}
/* Handle slow unaligned access (it spans two pages or IO). */
if (DATA_SIZE > 1
&& unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1
>= TARGET_PAGE_SIZE)) {
target_ulong addr1, addr2;
DATA_TYPE res1, res2;
unsigned shift;
do_unaligned_access:
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
res1 = helper_le_ld_name(env, addr1, oi, retaddr);
res2 = helper_le_ld_name(env, addr2, oi, retaddr);
shift = (addr & (DATA_SIZE - 1)) * 8;
/* Little-endian combine. */
res = (res1 >> shift) | (res2 << ((DATA_SIZE * 8) - shift));
return res;
}
haddr = addr + env->tlb_table[mmu_idx][index].addend;
#if DATA_SIZE == 1
res = glue(glue(ld, LSUFFIX), _p)((uint8_t *)haddr);
#else
res = glue(glue(ld, LSUFFIX), _le_p)((uint8_t *)haddr);
#endif
return res;
}
#if DATA_SIZE > 1
WORD_TYPE helper_be_ld_name(CPUArchState *env, target_ulong addr,
TCGMemOpIdx oi, uintptr_t retaddr)
{
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
unsigned a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
DATA_TYPE res;
if (addr & ((1 << a_bits) - 1)) {
cpu_unaligned_access(ENV_GET_CPU(env), addr, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
/* If the TLB entry is for a different page, reload and try again. */
if (!tlb_hit(tlb_addr, addr)) {
if (!VICTIM_TLB_HIT(ADDR_READ, addr)) {
tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, READ_ACCESS_TYPE,
mmu_idx, retaddr);
}
tlb_addr = env->tlb_table[mmu_idx][index].ADDR_READ;
}
/* Handle an IO access. */
if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) {
if ((addr & (DATA_SIZE - 1)) != 0) {
goto do_unaligned_access;
}
/* ??? Note that the io helpers always read data in the target
byte ordering. We should push the LE/BE request down into io. */
res = glue(io_read, SUFFIX)(env, mmu_idx, index, addr, retaddr,
tlb_addr & TLB_RECHECK);
res = TGT_BE(res);
return res;
}
/* Handle slow unaligned access (it spans two pages or IO). */
if (DATA_SIZE > 1
&& unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1
>= TARGET_PAGE_SIZE)) {
target_ulong addr1, addr2;
DATA_TYPE res1, res2;
unsigned shift;
do_unaligned_access:
addr1 = addr & ~(DATA_SIZE - 1);
addr2 = addr1 + DATA_SIZE;
res1 = helper_be_ld_name(env, addr1, oi, retaddr);
res2 = helper_be_ld_name(env, addr2, oi, retaddr);
shift = (addr & (DATA_SIZE - 1)) * 8;
/* Big-endian combine. */
res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift));
return res;
}
haddr = addr + env->tlb_table[mmu_idx][index].addend;
res = glue(glue(ld, LSUFFIX), _be_p)((uint8_t *)haddr);
return res;
}
#endif /* DATA_SIZE > 1 */
#ifndef SOFTMMU_CODE_ACCESS
/* Provide signed versions of the load routines as well. We can of course
avoid this for 64-bit data, or for 32-bit data on 32-bit host. */
#if DATA_SIZE * 8 < TCG_TARGET_REG_BITS
WORD_TYPE helper_le_lds_name(CPUArchState *env, target_ulong addr,
TCGMemOpIdx oi, uintptr_t retaddr)
{
return (SDATA_TYPE)helper_le_ld_name(env, addr, oi, retaddr);
}
# if DATA_SIZE > 1
WORD_TYPE helper_be_lds_name(CPUArchState *env, target_ulong addr,
TCGMemOpIdx oi, uintptr_t retaddr)
{
return (SDATA_TYPE)helper_be_ld_name(env, addr, oi, retaddr);
}
# endif
#endif
static inline void glue(io_write, SUFFIX)(CPUArchState *env,
size_t mmu_idx, size_t index,
DATA_TYPE val,
target_ulong addr,
uintptr_t retaddr,
bool recheck)
{
CPUIOTLBEntry *iotlbentry = &env->iotlb[mmu_idx][index];
return io_writex(env, iotlbentry, mmu_idx, val, addr, retaddr,
recheck, DATA_SIZE);
}
void helper_le_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
TCGMemOpIdx oi, uintptr_t retaddr)
{
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
unsigned a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
if (addr & ((1 << a_bits) - 1)) {
cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
mmu_idx, retaddr);
}
/* If the TLB entry is for a different page, reload and try again. */
if (!tlb_hit(tlb_addr, addr)) {
if (!VICTIM_TLB_HIT(addr_write, addr)) {
tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, MMU_DATA_STORE,
mmu_idx, retaddr);
}
tlb_addr = env->tlb_table[mmu_idx][index].addr_write & ~TLB_INVALID_MASK;
}
/* Handle an IO access. */
if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) {
if ((addr & (DATA_SIZE - 1)) != 0) {
goto do_unaligned_access;
}
/* ??? Note that the io helpers always read data in the target
byte ordering. We should push the LE/BE request down into io. */
val = TGT_LE(val);
glue(io_write, SUFFIX)(env, mmu_idx, index, val, addr,
retaddr, tlb_addr & TLB_RECHECK);
return;
}
/* Handle slow unaligned access (it spans two pages or IO). */
if (DATA_SIZE > 1
&& unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1
>= TARGET_PAGE_SIZE)) {
int i, index2;
target_ulong page2, tlb_addr2;
do_unaligned_access:
/* Ensure the second page is in the TLB. Note that the first page
is already guaranteed to be filled, and that the second page
cannot evict the first. */
page2 = (addr + DATA_SIZE) & TARGET_PAGE_MASK;
index2 = (page2 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
tlb_addr2 = env->tlb_table[mmu_idx][index2].addr_write;
if (!tlb_hit_page(tlb_addr2, page2)
&& !VICTIM_TLB_HIT(addr_write, page2)) {
tlb_fill(ENV_GET_CPU(env), page2, DATA_SIZE, MMU_DATA_STORE,
mmu_idx, retaddr);
}
/* XXX: not efficient, but simple. */
/* This loop must go in the forward direction to avoid issues
with self-modifying code in Windows 64-bit. */
for (i = 0; i < DATA_SIZE; ++i) {
/* Little-endian extract. */
uint8_t val8 = val >> (i * 8);
glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8,
oi, retaddr);
}
return;
}
haddr = addr + env->tlb_table[mmu_idx][index].addend;
#if DATA_SIZE == 1
glue(glue(st, SUFFIX), _p)((uint8_t *)haddr, val);
#else
glue(glue(st, SUFFIX), _le_p)((uint8_t *)haddr, val);
#endif
}
#if DATA_SIZE > 1
void helper_be_st_name(CPUArchState *env, target_ulong addr, DATA_TYPE val,
TCGMemOpIdx oi, uintptr_t retaddr)
{
unsigned mmu_idx = get_mmuidx(oi);
int index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
target_ulong tlb_addr = env->tlb_table[mmu_idx][index].addr_write;
unsigned a_bits = get_alignment_bits(get_memop(oi));
uintptr_t haddr;
if (addr & ((1 << a_bits) - 1)) {
cpu_unaligned_access(ENV_GET_CPU(env), addr, MMU_DATA_STORE,
mmu_idx, retaddr);
}
/* If the TLB entry is for a different page, reload and try again. */
if (!tlb_hit(tlb_addr, addr)) {
if (!VICTIM_TLB_HIT(addr_write, addr)) {
tlb_fill(ENV_GET_CPU(env), addr, DATA_SIZE, MMU_DATA_STORE,
mmu_idx, retaddr);
}
tlb_addr = env->tlb_table[mmu_idx][index].addr_write & ~TLB_INVALID_MASK;
}
/* Handle an IO access. */
if (unlikely(tlb_addr & ~TARGET_PAGE_MASK)) {
if ((addr & (DATA_SIZE - 1)) != 0) {
goto do_unaligned_access;
}
/* ??? Note that the io helpers always read data in the target
byte ordering. We should push the LE/BE request down into io. */
val = TGT_BE(val);
glue(io_write, SUFFIX)(env, mmu_idx, index, val, addr, retaddr,
tlb_addr & TLB_RECHECK);
return;
}
/* Handle slow unaligned access (it spans two pages or IO). */
if (DATA_SIZE > 1
&& unlikely((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1
>= TARGET_PAGE_SIZE)) {
int i, index2;
target_ulong page2, tlb_addr2;
do_unaligned_access:
/* Ensure the second page is in the TLB. Note that the first page
is already guaranteed to be filled, and that the second page
cannot evict the first. */
page2 = (addr + DATA_SIZE) & TARGET_PAGE_MASK;
index2 = (page2 >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
tlb_addr2 = env->tlb_table[mmu_idx][index2].addr_write;
if (!tlb_hit_page(tlb_addr2, page2)
&& !VICTIM_TLB_HIT(addr_write, page2)) {
tlb_fill(ENV_GET_CPU(env), page2, DATA_SIZE, MMU_DATA_STORE,
mmu_idx, retaddr);
}
/* XXX: not efficient, but simple */
/* This loop must go in the forward direction to avoid issues
with self-modifying code. */
for (i = 0; i < DATA_SIZE; ++i) {
/* Big-endian extract. */
uint8_t val8 = val >> (((DATA_SIZE - 1) * 8) - (i * 8));
glue(helper_ret_stb, MMUSUFFIX)(env, addr + i, val8,
oi, retaddr);
}
return;
}
haddr = addr + env->tlb_table[mmu_idx][index].addend;
glue(glue(st, SUFFIX), _be_p)((uint8_t *)haddr, val);
}
#endif /* DATA_SIZE > 1 */
#endif /* !defined(SOFTMMU_CODE_ACCESS) */
#undef READ_ACCESS_TYPE
#undef DATA_TYPE
#undef SUFFIX
#undef LSUFFIX
#undef DATA_SIZE
#undef ADDR_READ
#undef WORD_TYPE
#undef SDATA_TYPE
#undef USUFFIX
#undef SSUFFIX
#undef BSWAP
#undef helper_le_ld_name
#undef helper_be_ld_name
#undef helper_le_lds_name
#undef helper_be_lds_name
#undef helper_le_st_name
#undef helper_be_st_name
+6 -3
View File
@@ -25,14 +25,16 @@
#include "qemu/osdep.h"
#include "sysemu/accel.h"
#include "sysemu/tcg.h"
#include "sysemu/sysemu.h"
#include "qom/object.h"
#include "cpu.h"
#include "qemu-common.h"
#include "qom/cpu.h"
#include "sysemu/cpus.h"
#include "qemu/main-loop.h"
unsigned long tcg_tb_size;
#ifndef CONFIG_USER_ONLY
/* mask must never be zero, except for A20 change call */
static void tcg_handle_interrupt(CPUState *cpu, int mask)
{
@@ -49,7 +51,7 @@ static void tcg_handle_interrupt(CPUState *cpu, int mask)
if (!qemu_cpu_is_self(cpu)) {
qemu_cpu_kick(cpu);
} else {
atomic_set(&cpu_neg(cpu)->icount_decr.u16.high, -1);
cpu->icount_decr.u16.high = -1;
if (use_icount &&
!cpu->can_do_io
&& (mask & ~old_mask) != 0) {
@@ -57,6 +59,7 @@ static void tcg_handle_interrupt(CPUState *cpu, int mask)
}
}
}
#endif
static int tcg_init(MachineState *ms)
{
+1 -464
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -398,54 +398,6 @@ void HELPER(gvec_neg64)(void *d, void *a, uint32_t desc)
clear_high(d, oprsz, desc);
}
void HELPER(gvec_abs8)(void *d, void *a, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int8_t)) {
int8_t aa = *(int8_t *)(a + i);
*(int8_t *)(d + i) = aa < 0 ? -aa : aa;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_abs16)(void *d, void *a, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int16_t)) {
int16_t aa = *(int16_t *)(a + i);
*(int16_t *)(d + i) = aa < 0 ? -aa : aa;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_abs32)(void *d, void *a, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int32_t)) {
int32_t aa = *(int32_t *)(a + i);
*(int32_t *)(d + i) = aa < 0 ? -aa : aa;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_abs64)(void *d, void *a, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int64_t)) {
int64_t aa = *(int64_t *)(a + i);
*(int64_t *)(d + i) = aa < 0 ? -aa : aa;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_mov)(void *d, void *a, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
@@ -560,39 +512,6 @@ void HELPER(gvec_orc)(void *d, void *a, void *b, uint32_t desc)
clear_high(d, oprsz, desc);
}
void HELPER(gvec_nand)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(vec64)) {
*(vec64 *)(d + i) = ~(*(vec64 *)(a + i) & *(vec64 *)(b + i));
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_nor)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(vec64)) {
*(vec64 *)(d + i) = ~(*(vec64 *)(a + i) | *(vec64 *)(b + i));
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_eqv)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(vec64)) {
*(vec64 *)(d + i) = ~(*(vec64 *)(a + i) ^ *(vec64 *)(b + i));
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_ands)(void *d, void *a, uint64_t b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
@@ -773,150 +692,6 @@ void HELPER(gvec_sar64i)(void *d, void *a, uint32_t desc)
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shl8v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint8_t)) {
uint8_t sh = *(uint8_t *)(b + i) & 7;
*(uint8_t *)(d + i) = *(uint8_t *)(a + i) << sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shl16v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint16_t)) {
uint8_t sh = *(uint16_t *)(b + i) & 15;
*(uint16_t *)(d + i) = *(uint16_t *)(a + i) << sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shl32v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
uint8_t sh = *(uint32_t *)(b + i) & 31;
*(uint32_t *)(d + i) = *(uint32_t *)(a + i) << sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shl64v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint64_t)) {
uint8_t sh = *(uint64_t *)(b + i) & 63;
*(uint64_t *)(d + i) = *(uint64_t *)(a + i) << sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shr8v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint8_t)) {
uint8_t sh = *(uint8_t *)(b + i) & 7;
*(uint8_t *)(d + i) = *(uint8_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shr16v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint16_t)) {
uint8_t sh = *(uint16_t *)(b + i) & 15;
*(uint16_t *)(d + i) = *(uint16_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shr32v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
uint8_t sh = *(uint32_t *)(b + i) & 31;
*(uint32_t *)(d + i) = *(uint32_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_shr64v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint64_t)) {
uint8_t sh = *(uint64_t *)(b + i) & 63;
*(uint64_t *)(d + i) = *(uint64_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_sar8v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int8_t)) {
uint8_t sh = *(uint8_t *)(b + i) & 7;
*(int8_t *)(d + i) = *(int8_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_sar16v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int16_t)) {
uint8_t sh = *(uint16_t *)(b + i) & 15;
*(int16_t *)(d + i) = *(int16_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_sar32v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int32_t)) {
uint8_t sh = *(uint32_t *)(b + i) & 31;
*(int32_t *)(d + i) = *(int32_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_sar64v)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int64_t)) {
uint8_t sh = *(uint64_t *)(b + i) & 63;
*(int64_t *)(d + i) = *(int64_t *)(a + i) >> sh;
}
clear_high(d, oprsz, desc);
}
/* If vectors are enabled, the compiler fills in -1 for true.
Otherwise, we must take care of this by hand. */
#ifdef CONFIG_VECTOR16
@@ -1220,241 +995,3 @@ void HELPER(gvec_ussub64)(void *d, void *a, void *b, uint32_t desc)
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smin8)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int8_t)) {
int8_t aa = *(int8_t *)(a + i);
int8_t bb = *(int8_t *)(b + i);
int8_t dd = aa < bb ? aa : bb;
*(int8_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smin16)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int16_t)) {
int16_t aa = *(int16_t *)(a + i);
int16_t bb = *(int16_t *)(b + i);
int16_t dd = aa < bb ? aa : bb;
*(int16_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smin32)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int32_t)) {
int32_t aa = *(int32_t *)(a + i);
int32_t bb = *(int32_t *)(b + i);
int32_t dd = aa < bb ? aa : bb;
*(int32_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smin64)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int64_t)) {
int64_t aa = *(int64_t *)(a + i);
int64_t bb = *(int64_t *)(b + i);
int64_t dd = aa < bb ? aa : bb;
*(int64_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smax8)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int8_t)) {
int8_t aa = *(int8_t *)(a + i);
int8_t bb = *(int8_t *)(b + i);
int8_t dd = aa > bb ? aa : bb;
*(int8_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smax16)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int16_t)) {
int16_t aa = *(int16_t *)(a + i);
int16_t bb = *(int16_t *)(b + i);
int16_t dd = aa > bb ? aa : bb;
*(int16_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smax32)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int32_t)) {
int32_t aa = *(int32_t *)(a + i);
int32_t bb = *(int32_t *)(b + i);
int32_t dd = aa > bb ? aa : bb;
*(int32_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_smax64)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(int64_t)) {
int64_t aa = *(int64_t *)(a + i);
int64_t bb = *(int64_t *)(b + i);
int64_t dd = aa > bb ? aa : bb;
*(int64_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umin8)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint8_t)) {
uint8_t aa = *(uint8_t *)(a + i);
uint8_t bb = *(uint8_t *)(b + i);
uint8_t dd = aa < bb ? aa : bb;
*(uint8_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umin16)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint16_t)) {
uint16_t aa = *(uint16_t *)(a + i);
uint16_t bb = *(uint16_t *)(b + i);
uint16_t dd = aa < bb ? aa : bb;
*(uint16_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umin32)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
uint32_t aa = *(uint32_t *)(a + i);
uint32_t bb = *(uint32_t *)(b + i);
uint32_t dd = aa < bb ? aa : bb;
*(uint32_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umin64)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint64_t)) {
uint64_t aa = *(uint64_t *)(a + i);
uint64_t bb = *(uint64_t *)(b + i);
uint64_t dd = aa < bb ? aa : bb;
*(uint64_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umax8)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint8_t)) {
uint8_t aa = *(uint8_t *)(a + i);
uint8_t bb = *(uint8_t *)(b + i);
uint8_t dd = aa > bb ? aa : bb;
*(uint8_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umax16)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint16_t)) {
uint16_t aa = *(uint16_t *)(a + i);
uint16_t bb = *(uint16_t *)(b + i);
uint16_t dd = aa > bb ? aa : bb;
*(uint16_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umax32)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint32_t)) {
uint32_t aa = *(uint32_t *)(a + i);
uint32_t bb = *(uint32_t *)(b + i);
uint32_t dd = aa > bb ? aa : bb;
*(uint32_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_umax64)(void *d, void *a, void *b, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(uint64_t)) {
uint64_t aa = *(uint64_t *)(a + i);
uint64_t bb = *(uint64_t *)(b + i);
uint64_t dd = aa > bb ? aa : bb;
*(uint64_t *)(d + i) = dd;
}
clear_high(d, oprsz, desc);
}
void HELPER(gvec_bitsel)(void *d, void *a, void *b, void *c, uint32_t desc)
{
intptr_t oprsz = simd_oprsz(desc);
intptr_t i;
for (i = 0; i < oprsz; i += sizeof(vec64)) {
vec64 aa = *(vec64 *)(a + i);
vec64 bb = *(vec64 *)(b + i);
vec64 cc = *(vec64 *)(c + i);
*(vec64 *)(d + i) = (bb & aa) | (cc & ~aa);
}
clear_high(d, oprsz, desc);
}
+2 -2
View File
@@ -146,7 +146,7 @@ uint64_t HELPER(ctpop_i64)(uint64_t arg)
void *HELPER(lookup_tb_ptr)(CPUArchState *env)
{
CPUState *cpu = env_cpu(env);
CPUState *cpu = ENV_GET_CPU(env);
TranslationBlock *tb;
target_ulong cs_base, pc;
uint32_t flags;
@@ -165,5 +165,5 @@ void *HELPER(lookup_tb_ptr)(CPUArchState *env)
void HELPER(exit_atomic)(CPUArchState *env)
{
cpu_loop_exit_atomic(env_cpu(env), GETPC());
cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
}
-45
View File
@@ -200,45 +200,17 @@ DEF_HELPER_FLAGS_4(gvec_ussub16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_ussub32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_ussub64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smin8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smin16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smin32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smin64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smax8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smax16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smax32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_smax64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umin8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umin16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umin32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umin64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umax8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umax16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umax32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_umax64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_neg8, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_neg16, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_neg32, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_neg64, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_abs8, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_abs16, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_abs32, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_abs64, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_not, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_and, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_or, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_xor, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_andc, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_orc, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_nand, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_nor, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_eqv, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_ands, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
DEF_HELPER_FLAGS_4(gvec_xors, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
@@ -259,21 +231,6 @@ DEF_HELPER_FLAGS_3(gvec_sar16i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_sar32i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(gvec_sar64i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shl8v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shl16v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shl32v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shl64v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shr8v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shr16v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shr32v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_shr64v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_sar8v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_sar16v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_sar32v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_sar64v, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_eq8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_eq16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_eq32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
@@ -303,5 +260,3 @@ DEF_HELPER_FLAGS_4(gvec_leu8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_leu16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_leu32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_4(gvec_leu64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(gvec_bitsel, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+1 -1
View File
@@ -1,4 +1,4 @@
# See docs/devel/tracing.txt for syntax documentation.
# Trace events for debugging and performance instrumentation
# TCG related tracing (mostly disabled by default)
# cpu-exec.c
+104 -148
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -16,10 +16,13 @@
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef _WIN32
#include <windows.h>
#endif
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu-common.h"
#define NO_CPU_IO_DEFS
#include "cpu.h"
#include "trace.h"
@@ -51,12 +54,10 @@
#include "translate-all.h"
#include "qemu/bitmap.h"
#include "qemu/error-report.h"
#include "qemu/qemu-print.h"
#include "qemu/timer.h"
#include "qemu/main-loop.h"
#include "exec/log.h"
#include "sysemu/cpus.h"
#include "sysemu/tcg.h"
/* #define DEBUG_TB_INVALIDATE */
/* #define DEBUG_TB_FLUSH */
@@ -366,7 +367,7 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
assert(use_icount);
/* Reset the cycle counter to the start of the block
and shift if to the number of actually executed instructions */
cpu_neg(cpu)->icount_decr.u16.low += num_insns - i;
cpu->icount_decr.u16.low += num_insns - i;
}
restore_state_to_opc(env, tb, data);
@@ -1156,6 +1157,23 @@ void tcg_exec_init(unsigned long tb_size)
#endif
}
/*
* Allocate a new translation block. Flush the translation buffer if
* too many translation blocks or too much generated code.
*/
static TranslationBlock *tb_alloc(target_ulong pc)
{
TranslationBlock *tb;
assert_memory_lock();
tb = tcg_tb_alloc(tcg_ctx);
if (unlikely(tb == NULL)) {
return NULL;
}
return tb;
}
/* call with @p->lock held */
static inline void invalidate_page_bitmap(PageDesc *p)
{
@@ -1214,8 +1232,6 @@ static gboolean tb_host_size_iter(gpointer key, gpointer value, gpointer data)
/* flush all the translation blocks */
static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
{
bool did_flush = false;
mmap_lock();
/* If it is already been done on request of another CPU,
* just retry.
@@ -1223,7 +1239,6 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
if (tb_ctx.tb_flush_count != tb_flush_count.host_int) {
goto done;
}
did_flush = true;
if (DEBUG_TB_FLUSH_GATE) {
size_t nb_tbs = tcg_nb_tbs();
@@ -1248,22 +1263,14 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
done:
mmap_unlock();
if (did_flush) {
qemu_plugin_flush_cb();
}
}
void tb_flush(CPUState *cpu)
{
if (tcg_enabled()) {
unsigned tb_flush_count = atomic_mb_read(&tb_ctx.tb_flush_count);
if (cpu_in_exclusive_context(cpu)) {
do_tb_flush(cpu, RUN_ON_CPU_HOST_INT(tb_flush_count));
} else {
async_safe_run_on_cpu(cpu, do_tb_flush,
RUN_ON_CPU_HOST_INT(tb_flush_count));
}
async_safe_run_on_cpu(cpu, do_tb_flush,
RUN_ON_CPU_HOST_INT(tb_flush_count));
}
}
@@ -1275,7 +1282,8 @@ void tb_flush(CPUState *cpu)
*/
#ifdef CONFIG_USER_ONLY
static void do_tb_invalidate_check(void *p, uint32_t hash, void *userp)
static void
do_tb_invalidate_check(struct qht *ht, void *p, uint32_t hash, void *userp)
{
TranslationBlock *tb = p;
target_ulong addr = *(target_ulong *)userp;
@@ -1296,7 +1304,8 @@ static void tb_invalidate_check(target_ulong address)
qht_iter(&tb_ctx.htable, do_tb_invalidate_check, &address);
}
static void do_tb_page_check(void *p, uint32_t hash, void *userp)
static void
do_tb_page_check(struct qht *ht, void *p, uint32_t hash, void *userp)
{
TranslationBlock *tb = p;
int flags1, flags2;
@@ -1484,7 +1493,7 @@ static void tb_phys_invalidate__locked(TranslationBlock *tb)
*/
void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr)
{
if (page_addr == -1 && tb->page_addr[0] != -1) {
if (page_addr == -1) {
page_lock_tb(tb);
do_tb_phys_invalidate(tb, true);
page_unlock_tb(tb);
@@ -1599,17 +1608,6 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc,
assert_memory_lock();
if (phys_pc == -1) {
/*
* If the TB is not associated with a physical RAM page then
* it must be a temporary one-insn TB, and we have nothing to do
* except fill in the page_addr[] fields.
*/
assert(tb->cflags & CF_NOCACHE);
tb->page_addr[0] = tb->page_addr[1] = -1;
return tb;
}
/*
* Add the TB to the page list, acquiring first the pages's locks.
* We keep the locks held until after inserting the TB in the hash table,
@@ -1670,38 +1668,17 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb_page_addr_t phys_pc, phys_page2;
target_ulong virt_page2;
tcg_insn_unit *gen_code_buf;
int gen_code_size, search_size, max_insns;
int gen_code_size, search_size;
#ifdef CONFIG_PROFILER
TCGProfile *prof = &tcg_ctx->prof;
int64_t ti;
#endif
assert_memory_lock();
phys_pc = get_page_addr_code(env, pc);
if (phys_pc == -1) {
/* Generate a temporary TB with 1 insn in it */
cflags &= ~CF_COUNT_MASK;
cflags |= CF_NOCACHE | 1;
}
cflags &= ~CF_CLUSTER_MASK;
cflags |= cpu->cluster_index << CF_CLUSTER_SHIFT;
max_insns = cflags & CF_COUNT_MASK;
if (max_insns == 0) {
max_insns = CF_COUNT_MASK;
}
if (max_insns > TCG_MAX_INSNS) {
max_insns = TCG_MAX_INSNS;
}
if (cpu->singlestep_enabled || singlestep) {
max_insns = 1;
}
buffer_overflow:
tb = tcg_tb_alloc(tcg_ctx);
tb = tb_alloc(pc);
if (unlikely(!tb)) {
/* flush must be done */
tb_flush(cpu);
@@ -1717,10 +1694,8 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb->cs_base = cs_base;
tb->flags = flags;
tb->cflags = cflags;
tb->orig_tb = NULL;
tb->trace_vcpu_dstate = *cpu->trace_dstate;
tcg_ctx->tb_cflags = cflags;
tb_overflow:
#ifdef CONFIG_PROFILER
/* includes aborted translations because of exceptions */
@@ -1730,8 +1705,8 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tcg_func_start(tcg_ctx);
tcg_ctx->cpu = env_cpu(env);
gen_intermediate_code(cpu, tb, max_insns);
tcg_ctx->cpu = ENV_GET_CPU(env);
gen_intermediate_code(cpu, tb);
tcg_ctx->cpu = NULL;
trace_translate_block(tb, tb->pc, tb->tc.ptr);
@@ -1754,39 +1729,14 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
ti = profile_getclock();
#endif
/* ??? Overflow could be handled better here. In particular, we
don't need to re-do gen_intermediate_code, nor should we re-do
the tcg optimization currently hidden inside tcg_gen_code. All
that should be required is to flush the TBs, allocate a new TB,
re-initialize it per above, and re-do the actual code generation. */
gen_code_size = tcg_gen_code(tcg_ctx, tb);
if (unlikely(gen_code_size < 0)) {
switch (gen_code_size) {
case -1:
/*
* Overflow of code_gen_buffer, or the current slice of it.
*
* TODO: We don't need to re-do gen_intermediate_code, nor
* should we re-do the tcg optimization currently hidden
* inside tcg_gen_code. All that should be required is to
* flush the TBs, allocate a new TB, re-initialize it per
* above, and re-do the actual code generation.
*/
goto buffer_overflow;
case -2:
/*
* The code generated for the TranslationBlock is too large.
* The maximum size allowed by the unwind info is 64k.
* There may be stricter constraints from relocations
* in the tcg backend.
*
* Try again with half as many insns as we attempted this time.
* If a single insn overflows, there's a bug somewhere...
*/
max_insns = tb->icount;
assert(max_insns > 1);
max_insns /= 2;
goto tb_overflow;
default:
g_assert_not_reached();
}
goto buffer_overflow;
}
search_size = encode_search(tb, (void *)gen_code_buf + gen_code_size);
if (unlikely(search_size < 0)) {
@@ -1885,7 +1835,7 @@ static void
tb_invalidate_phys_page_range__locked(struct page_collection *pages,
PageDesc *p, tb_page_addr_t start,
tb_page_addr_t end,
uintptr_t retaddr)
int is_cpu_write_access)
{
TranslationBlock *tb;
tb_page_addr_t tb_start, tb_end;
@@ -1893,9 +1843,9 @@ tb_invalidate_phys_page_range__locked(struct page_collection *pages,
#ifdef TARGET_HAS_PRECISE_SMC
CPUState *cpu = current_cpu;
CPUArchState *env = NULL;
bool current_tb_not_found = retaddr != 0;
bool current_tb_modified = false;
int current_tb_not_found = is_cpu_write_access;
TranslationBlock *current_tb = NULL;
int current_tb_modified = 0;
target_ulong current_pc = 0;
target_ulong current_cs_base = 0;
uint32_t current_flags = 0;
@@ -1927,21 +1877,24 @@ tb_invalidate_phys_page_range__locked(struct page_collection *pages,
if (!(tb_end <= start || tb_start >= end)) {
#ifdef TARGET_HAS_PRECISE_SMC
if (current_tb_not_found) {
current_tb_not_found = false;
/* now we have a real cpu fault */
current_tb = tcg_tb_lookup(retaddr);
current_tb_not_found = 0;
current_tb = NULL;
if (cpu->mem_io_pc) {
/* now we have a real cpu fault */
current_tb = tcg_tb_lookup(cpu->mem_io_pc);
}
}
if (current_tb == tb &&
(tb_cflags(current_tb) & CF_COUNT_MASK) != 1) {
/*
* If we are modifying the current TB, we must stop
* its execution. We could be more precise by checking
* that the modification is after the current PC, but it
* would require a specialized function to partially
* restore the CPU state.
*/
current_tb_modified = true;
cpu_restore_state_from_tb(cpu, current_tb, retaddr, true);
/* If we are modifying the current TB, we must stop
its execution. We could be more precise by checking
that the modification is after the current PC, but it
would require a specialized function to partially
restore the CPU state */
current_tb_modified = 1;
cpu_restore_state_from_tb(cpu, current_tb,
cpu->mem_io_pc, true);
cpu_get_tb_cpu_state(env, &current_pc, &current_cs_base,
&current_flags);
}
@@ -1976,7 +1929,8 @@ tb_invalidate_phys_page_range__locked(struct page_collection *pages,
*
* Called with mmap_lock held for user-mode emulation
*/
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end)
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access)
{
struct page_collection *pages;
PageDesc *p;
@@ -1988,7 +1942,8 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end)
return;
}
pages = page_collection_lock(start, end);
tb_invalidate_phys_page_range__locked(pages, p, start, end, 0);
tb_invalidate_phys_page_range__locked(pages, p, start, end,
is_cpu_write_access);
page_collection_unlock(pages);
}
@@ -2035,11 +1990,19 @@ void tb_invalidate_phys_range(target_ulong start, target_ulong end)
* Call with all @pages in the range [@start, @start + len[ locked.
*/
void tb_invalidate_phys_page_fast(struct page_collection *pages,
tb_page_addr_t start, int len,
uintptr_t retaddr)
tb_page_addr_t start, int len)
{
PageDesc *p;
#if 0
if (1) {
qemu_log("modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
cpu_single_env->mem_io_vaddr, len,
cpu_single_env->eip,
cpu_single_env->eip +
(intptr_t)cpu_single_env->segs[R_CS].base);
}
#endif
assert_memory_lock();
p = page_find(start >> TARGET_PAGE_BITS);
@@ -2063,8 +2026,7 @@ void tb_invalidate_phys_page_fast(struct page_collection *pages,
}
} else {
do_invalidate:
tb_invalidate_phys_page_range__locked(pages, p, start, start + len,
retaddr);
tb_invalidate_phys_page_range__locked(pages, p, start, start + len, 1);
}
}
#else
@@ -2138,16 +2100,16 @@ static bool tb_invalidate_phys_page(tb_page_addr_t addr, uintptr_t pc)
#endif
/* user-mode: call with mmap_lock held */
void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr)
void tb_check_watchpoint(CPUState *cpu)
{
TranslationBlock *tb;
assert_memory_lock();
tb = tcg_tb_lookup(retaddr);
tb = tcg_tb_lookup(cpu->mem_io_pc);
if (tb) {
/* We can use retranslation to find the PC. */
cpu_restore_state_from_tb(cpu, tb, retaddr, true);
cpu_restore_state_from_tb(cpu, tb, cpu->mem_io_pc, true);
tb_phys_invalidate(tb, -1);
} else {
/* The exception probably happened in a helper. The CPU state should
@@ -2159,9 +2121,7 @@ void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr)
cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
addr = get_page_addr_code(env, pc);
if (addr != -1) {
tb_invalidate_phys_range(addr, addr + 1);
}
tb_invalidate_phys_range(addr, addr + 1);
}
}
@@ -2195,7 +2155,7 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
if ((env->hflags & MIPS_HFLAG_BMASK) != 0
&& env->active_tc.PC != tb->pc) {
env->active_tc.PC -= (env->hflags & MIPS_HFLAG_B16 ? 2 : 4);
cpu_neg(cpu)->icount_decr.u16.low++;
cpu->icount_decr.u16.low++;
env->hflags &= ~MIPS_HFLAG_BMASK;
n = 2;
}
@@ -2203,7 +2163,7 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
if ((env->flags & ((DELAY_SLOT | DELAY_SLOT_CONDITIONAL))) != 0
&& env->pc != tb->pc) {
env->pc -= 2;
cpu_neg(cpu)->icount_decr.u16.low++;
cpu->icount_decr.u16.low++;
env->flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
n = 2;
}
@@ -2247,7 +2207,8 @@ void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr)
tb_jmp_cache_clear_page(cpu, addr);
}
static void print_qht_statistics(struct qht_stats hst)
static void print_qht_statistics(FILE *f, fprintf_function cpu_fprintf,
struct qht_stats hst)
{
uint32_t hgram_opts;
size_t hgram_bins;
@@ -2256,7 +2217,7 @@ static void print_qht_statistics(struct qht_stats hst)
if (!hst.head_buckets) {
return;
}
qemu_printf("TB hash buckets %zu/%zu (%0.2f%% head buckets used)\n",
cpu_fprintf(f, "TB hash buckets %zu/%zu (%0.2f%% head buckets used)\n",
hst.used_head_buckets, hst.head_buckets,
(double)hst.used_head_buckets / hst.head_buckets * 100);
@@ -2266,7 +2227,7 @@ static void print_qht_statistics(struct qht_stats hst)
hgram_opts |= QDIST_PR_NODECIMAL;
}
hgram = qdist_pr(&hst.occupancy, 10, hgram_opts);
qemu_printf("TB hash occupancy %0.2f%% avg chain occ. Histogram: %s\n",
cpu_fprintf(f, "TB hash occupancy %0.2f%% avg chain occ. Histogram: %s\n",
qdist_avg(&hst.occupancy) * 100, hgram);
g_free(hgram);
@@ -2279,7 +2240,7 @@ static void print_qht_statistics(struct qht_stats hst)
hgram_opts |= QDIST_PR_NODECIMAL | QDIST_PR_NOBINRANGE;
}
hgram = qdist_pr(&hst.chain, hgram_bins, hgram_opts);
qemu_printf("TB hash avg chain %0.3f buckets. Histogram: %s\n",
cpu_fprintf(f, "TB hash avg chain %0.3f buckets. Histogram: %s\n",
qdist_avg(&hst.chain), hgram);
g_free(hgram);
}
@@ -2317,58 +2278,53 @@ static gboolean tb_tree_stats_iter(gpointer key, gpointer value, gpointer data)
return false;
}
void dump_exec_info(void)
void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
{
struct tb_tree_stats tst = {};
struct qht_stats hst;
size_t nb_tbs, flush_full, flush_part, flush_elide;
size_t nb_tbs;
tcg_tb_foreach(tb_tree_stats_iter, &tst);
nb_tbs = tst.nb_tbs;
/* XXX: avoid using doubles ? */
qemu_printf("Translation buffer state:\n");
cpu_fprintf(f, "Translation buffer state:\n");
/*
* Report total code size including the padding and TB structs;
* otherwise users might think "-tb-size" is not honoured.
* For avg host size we use the precise numbers from tb_tree_stats though.
*/
qemu_printf("gen code size %zu/%zu\n",
cpu_fprintf(f, "gen code size %zu/%zu\n",
tcg_code_size(), tcg_code_capacity());
qemu_printf("TB count %zu\n", nb_tbs);
qemu_printf("TB avg target size %zu max=%zu bytes\n",
cpu_fprintf(f, "TB count %zu\n", nb_tbs);
cpu_fprintf(f, "TB avg target size %zu max=%zu bytes\n",
nb_tbs ? tst.target_size / nb_tbs : 0,
tst.max_target_size);
qemu_printf("TB avg host size %zu bytes (expansion ratio: %0.1f)\n",
cpu_fprintf(f, "TB avg host size %zu bytes (expansion ratio: %0.1f)\n",
nb_tbs ? tst.host_size / nb_tbs : 0,
tst.target_size ? (double)tst.host_size / tst.target_size : 0);
qemu_printf("cross page TB count %zu (%zu%%)\n", tst.cross_page,
nb_tbs ? (tst.cross_page * 100) / nb_tbs : 0);
qemu_printf("direct jump count %zu (%zu%%) (2 jumps=%zu %zu%%)\n",
cpu_fprintf(f, "cross page TB count %zu (%zu%%)\n", tst.cross_page,
nb_tbs ? (tst.cross_page * 100) / nb_tbs : 0);
cpu_fprintf(f, "direct jump count %zu (%zu%%) (2 jumps=%zu %zu%%)\n",
tst.direct_jmp_count,
nb_tbs ? (tst.direct_jmp_count * 100) / nb_tbs : 0,
tst.direct_jmp2_count,
nb_tbs ? (tst.direct_jmp2_count * 100) / nb_tbs : 0);
qht_statistics_init(&tb_ctx.htable, &hst);
print_qht_statistics(hst);
print_qht_statistics(f, cpu_fprintf, hst);
qht_statistics_destroy(&hst);
qemu_printf("\nStatistics:\n");
qemu_printf("TB flush count %u\n",
cpu_fprintf(f, "\nStatistics:\n");
cpu_fprintf(f, "TB flush count %u\n",
atomic_read(&tb_ctx.tb_flush_count));
qemu_printf("TB invalidate count %zu\n",
tcg_tb_phys_invalidate_count());
tlb_flush_counts(&flush_full, &flush_part, &flush_elide);
qemu_printf("TLB full flushes %zu\n", flush_full);
qemu_printf("TLB partial flushes %zu\n", flush_part);
qemu_printf("TLB elided flushes %zu\n", flush_elide);
tcg_dump_info();
cpu_fprintf(f, "TB invalidate count %zu\n", tcg_tb_phys_invalidate_count());
cpu_fprintf(f, "TLB flush count %zu\n", tlb_flush_count());
tcg_dump_info(f, cpu_fprintf);
}
void dump_opcount_info(void)
void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf)
{
tcg_dump_op_count();
tcg_dump_op_count(f, cpu_fprintf);
}
#else /* CONFIG_USER_ONLY */
@@ -2377,7 +2333,7 @@ void cpu_interrupt(CPUState *cpu, int mask)
{
g_assert(qemu_mutex_iothread_locked());
cpu->interrupt_request |= mask;
atomic_set(&cpu_neg(cpu)->icount_decr.u16.high, -1);
cpu->icount_decr.u16.high = -1;
}
/*
+5 -5
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -27,10 +27,10 @@ struct page_collection *page_collection_lock(tb_page_addr_t start,
tb_page_addr_t end);
void page_collection_unlock(struct page_collection *set);
void tb_invalidate_phys_page_fast(struct page_collection *pages,
tb_page_addr_t start, int len,
uintptr_t retaddr);
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end);
void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr);
tb_page_addr_t start, int len);
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access);
void tb_check_watchpoint(CPUState *cpu);
#ifdef CONFIG_USER_ONLY
int page_unprotect(target_ulong address, uintptr_t pc);
+17 -28
View File
@@ -8,6 +8,7 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/error-report.h"
#include "cpu.h"
#include "tcg/tcg.h"
@@ -16,7 +17,6 @@
#include "exec/gen-icount.h"
#include "exec/log.h"
#include "exec/translator.h"
#include "exec/plugin-gen.h"
/* Pairs with tcg_clear_temp_count.
To be called by #TranslatorOps.{translate_insn,tb_stop} if
@@ -32,20 +32,28 @@ void translator_loop_temp_check(DisasContextBase *db)
}
void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
CPUState *cpu, TranslationBlock *tb, int max_insns)
CPUState *cpu, TranslationBlock *tb)
{
int bp_insn = 0;
bool plugin_enabled;
/* Initialize DisasContext */
db->tb = tb;
db->pc_first = tb->pc;
db->pc_next = db->pc_first;
db->is_jmp = DISAS_NEXT;
db->num_insns = 0;
db->max_insns = max_insns;
db->singlestep_enabled = cpu->singlestep_enabled;
/* Instruction counting */
db->max_insns = tb_cflags(db->tb) & CF_COUNT_MASK;
if (db->max_insns == 0) {
db->max_insns = CF_COUNT_MASK;
}
if (db->max_insns > TCG_MAX_INSNS) {
db->max_insns = TCG_MAX_INSNS;
}
if (db->singlestep_enabled || singlestep) {
db->max_insns = 1;
}
ops->init_disas_context(db, cpu);
tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */
@@ -57,25 +65,17 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
ops->tb_start(db, cpu);
tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */
plugin_enabled = plugin_gen_tb_start(cpu, tb);
while (true) {
db->num_insns++;
ops->insn_start(db, cpu);
tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */
if (plugin_enabled) {
plugin_gen_insn_start(cpu, db);
}
/* Pass breakpoint hits to target for further processing */
if (!db->singlestep_enabled
&& unlikely(!QTAILQ_EMPTY(&cpu->breakpoints))) {
if (unlikely(!QTAILQ_EMPTY(&cpu->breakpoints))) {
CPUBreakpoint *bp;
QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) {
if (bp->pc == db->pc_next) {
if (ops->breakpoint_check(db, cpu, bp)) {
bp_insn = 1;
break;
}
}
@@ -98,6 +98,7 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
/* Accept I/O on the last instruction. */
gen_io_start();
ops->translate_insn(db, cpu);
gen_io_end();
} else {
ops->translate_insn(db, cpu);
}
@@ -107,14 +108,6 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
break;
}
/*
* We can't instrument after instructions that change control
* flow although this only really affects post-load operations.
*/
if (plugin_enabled) {
plugin_gen_insn_end();
}
/* Stop translation if the output buffer is full,
or we have executed all of the allowed instructions. */
if (tcg_op_buf_full() || db->num_insns >= db->max_insns) {
@@ -125,11 +118,7 @@ void translator_loop(const TranslatorOps *ops, DisasContextBase *db,
/* Emit code to exit the TB, as indicated by db->is_jmp. */
ops->tb_stop(db, cpu);
gen_tb_end(db->tb, db->num_insns - bp_insn);
if (plugin_enabled) {
plugin_gen_tb_end(cpu);
}
gen_tb_end(db->tb, db->num_insns);
/* The disas_log hook may use these values rather than recompute. */
db->tb->size = db->pc_next - db->pc_first;
+2 -1
View File
@@ -1,5 +1,6 @@
#include "qemu/osdep.h"
#include "hw/core/cpu.h"
#include "qemu-common.h"
#include "qom/cpu.h"
#include "sysemu/replay.h"
#include "sysemu/sysemu.h"
+63 -223
View File
@@ -6,7 +6,7 @@
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -25,7 +25,6 @@
#include "exec/cpu_ldst.h"
#include "translate-all.h"
#include "exec/helper-proto.h"
#include "qemu/atomic128.h"
#undef EAX
#undef ECX
@@ -63,57 +62,28 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info,
{
CPUState *cpu = current_cpu;
CPUClass *cc;
int ret;
unsigned long address = (unsigned long)info->si_addr;
MMUAccessType access_type = is_write ? MMU_DATA_STORE : MMU_DATA_LOAD;
switch (helper_retaddr) {
default:
/*
* Fault during host memory operation within a helper function.
* The helper's host return address, saved here, gives us a
* pointer into the generated code that will unwind to the
* correct guest pc.
*/
/* We must handle PC addresses from two different sources:
* a call return address and a signal frame address.
*
* Within cpu_restore_state_from_tb we assume the former and adjust
* the address by -GETPC_ADJ so that the address is within the call
* insn so that addr does not accidentally match the beginning of the
* next guest insn.
*
* However, when the PC comes from the signal frame, it points to
* the actual faulting host insn and not a call insn. Subtracting
* GETPC_ADJ in that case may accidentally match the previous guest insn.
*
* So for the later case, adjust forward to compensate for what
* will be done later by cpu_restore_state_from_tb.
*/
if (helper_retaddr) {
pc = helper_retaddr;
break;
case 0:
/*
* Fault during host memory operation within generated code.
* (Or, a unrelated bug within qemu, but we can't tell from here).
*
* We take the host pc from the signal frame. However, we cannot
* use that value directly. Within cpu_restore_state_from_tb, we
* assume PC comes from GETPC(), as used by the helper functions,
* so we adjust the address by -GETPC_ADJ to form an address that
* is within the call insn, so that the address does not accidentially
* match the beginning of the next guest insn. However, when the
* pc comes from the signal frame it points to the actual faulting
* host memory insn and not the return from a call insn.
*
* Therefore, adjust to compensate for what will be done later
* by cpu_restore_state_from_tb.
*/
} else {
pc += GETPC_ADJ;
break;
case 1:
/*
* Fault during host read for translation, or loosely, "execution".
*
* The guest pc is already pointing to the start of the TB for which
* code is being generated. If the guest translator manages the
* page crossings correctly, this is exactly the correct address
* (and if the translator doesn't handle page boundaries correctly
* there's little we can do about that here). Therefore, do not
* trigger the unwinder.
*
* Like tb_gen_code, release the memory lock before cpu_loop_exit.
*/
pc = 0;
access_type = MMU_INST_FETCH;
mmap_unlock();
break;
}
/* For synchronous signals we expect to be coming from the vCPU
@@ -163,7 +133,7 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info,
* currently executing TB was modified and must be exited
* immediately. Clear helper_retaddr for next execution.
*/
clear_helper_retaddr();
helper_retaddr = 0;
cpu_exit_tb_from_sighandler(cpu, old_set);
/* NORETURN */
@@ -176,48 +146,35 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info,
are still valid segv ones */
address = h2g_nocheck(address);
/*
* There is no way the target can handle this other than raising
* an exception. Undo signal and retaddr state prior to longjmp.
*/
sigprocmask(SIG_SETMASK, old_set, NULL);
clear_helper_retaddr();
cc = CPU_GET_CLASS(cpu);
cc->tlb_fill(cpu, address, 0, access_type, MMU_USER_IDX, false, pc);
g_assert_not_reached();
}
/* see if it is an MMU fault */
g_assert(cc->handle_mmu_fault);
ret = cc->handle_mmu_fault(cpu, address, 0, is_write, MMU_USER_IDX);
void *probe_access(CPUArchState *env, target_ulong addr, int size,
MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
{
int flags;
g_assert(-(addr | TARGET_PAGE_MASK) >= size);
switch (access_type) {
case MMU_DATA_STORE:
flags = PAGE_WRITE;
break;
case MMU_DATA_LOAD:
flags = PAGE_READ;
break;
case MMU_INST_FETCH:
flags = PAGE_EXEC;
break;
default:
g_assert_not_reached();
if (ret == 0) {
/* The MMU fault was handled without causing real CPU fault.
* Retain helper_retaddr for a possible second fault.
*/
return 1;
}
if (!guest_addr_valid(addr) || page_check_range(addr, size, flags) < 0) {
CPUState *cpu = env_cpu(env);
CPUClass *cc = CPU_GET_CLASS(cpu);
cc->tlb_fill(cpu, addr, size, access_type, MMU_USER_IDX, false,
retaddr);
g_assert_not_reached();
/* All other paths lead to cpu_exit; clear helper_retaddr
* for next execution.
*/
helper_retaddr = 0;
if (ret < 0) {
return 0; /* not an MMU fault */
}
return size ? g2h(addr) : NULL;
/* Now we have a real cpu fault. */
cpu_restore_state(cpu, pc, true);
sigprocmask(SIG_SETMASK, old_set, NULL);
cpu_loop_exit(cpu);
/* never comes here */
return 1;
}
#if defined(__i386__)
@@ -521,66 +478,28 @@ int cpu_signal_handler(int host_signum, void *pinfo,
#elif defined(__aarch64__)
#ifndef ESR_MAGIC
/* Pre-3.16 kernel headers don't have these, so provide fallback definitions */
#define ESR_MAGIC 0x45535201
struct esr_context {
struct _aarch64_ctx head;
uint64_t esr;
};
#endif
static inline struct _aarch64_ctx *first_ctx(ucontext_t *uc)
{
return (struct _aarch64_ctx *)&uc->uc_mcontext.__reserved;
}
static inline struct _aarch64_ctx *next_ctx(struct _aarch64_ctx *hdr)
{
return (struct _aarch64_ctx *)((char *)hdr + hdr->size);
}
int cpu_signal_handler(int host_signum, void *pinfo, void *puc)
{
siginfo_t *info = pinfo;
ucontext_t *uc = puc;
uintptr_t pc = uc->uc_mcontext.pc;
uint32_t insn = *(uint32_t *)pc;
bool is_write;
struct _aarch64_ctx *hdr;
struct esr_context const *esrctx = NULL;
/* Find the esr_context, which has the WnR bit in it */
for (hdr = first_ctx(uc); hdr->magic; hdr = next_ctx(hdr)) {
if (hdr->magic == ESR_MAGIC) {
esrctx = (struct esr_context const *)hdr;
break;
}
}
/* XXX: need kernel patch to get write flag faster. */
is_write = ( (insn & 0xbfff0000) == 0x0c000000 /* C3.3.1 */
|| (insn & 0xbfe00000) == 0x0c800000 /* C3.3.2 */
|| (insn & 0xbfdf0000) == 0x0d000000 /* C3.3.3 */
|| (insn & 0xbfc00000) == 0x0d800000 /* C3.3.4 */
|| (insn & 0x3f400000) == 0x08000000 /* C3.3.6 */
|| (insn & 0x3bc00000) == 0x39000000 /* C3.3.13 */
|| (insn & 0x3fc00000) == 0x3d800000 /* ... 128bit */
/* Ingore bits 10, 11 & 21, controlling indexing. */
|| (insn & 0x3bc00000) == 0x38000000 /* C3.3.8-12 */
|| (insn & 0x3fe00000) == 0x3c800000 /* ... 128bit */
/* Ignore bits 23 & 24, controlling indexing. */
|| (insn & 0x3a400000) == 0x28000000); /* C3.3.7,14-16 */
if (esrctx) {
/* For data aborts ESR.EC is 0b10010x: then bit 6 is the WnR bit */
uint64_t esr = esrctx->esr;
is_write = extract32(esr, 27, 5) == 0x12 && extract32(esr, 6, 1) == 1;
} else {
/*
* Fall back to parsing instructions; will only be needed
* for really ancient (pre-3.16) kernels.
*/
uint32_t insn = *(uint32_t *)pc;
is_write = ((insn & 0xbfff0000) == 0x0c000000 /* C3.3.1 */
|| (insn & 0xbfe00000) == 0x0c800000 /* C3.3.2 */
|| (insn & 0xbfdf0000) == 0x0d000000 /* C3.3.3 */
|| (insn & 0xbfc00000) == 0x0d800000 /* C3.3.4 */
|| (insn & 0x3f400000) == 0x08000000 /* C3.3.6 */
|| (insn & 0x3bc00000) == 0x39000000 /* C3.3.13 */
|| (insn & 0x3fc00000) == 0x3d800000 /* ... 128bit */
/* Ignore bits 10, 11 & 21, controlling indexing. */
|| (insn & 0x3bc00000) == 0x38000000 /* C3.3.8-12 */
|| (insn & 0x3fe00000) == 0x3c800000 /* ... 128bit */
/* Ignore bits 23 & 24, controlling indexing. */
|| (insn & 0x3a400000) == 0x28000000); /* C3.3.7,14-16 */
}
return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
}
@@ -651,81 +570,6 @@ int cpu_signal_handler(int host_signum, void *pinfo,
return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
}
#elif defined(__riscv)
int cpu_signal_handler(int host_signum, void *pinfo,
void *puc)
{
siginfo_t *info = pinfo;
ucontext_t *uc = puc;
greg_t pc = uc->uc_mcontext.__gregs[REG_PC];
uint32_t insn = *(uint32_t *)pc;
int is_write = 0;
/* Detect store by reading the instruction at the program
counter. Note: we currently only generate 32-bit
instructions so we thus only detect 32-bit stores */
switch (((insn >> 0) & 0b11)) {
case 3:
switch (((insn >> 2) & 0b11111)) {
case 8:
switch (((insn >> 12) & 0b111)) {
case 0: /* sb */
case 1: /* sh */
case 2: /* sw */
case 3: /* sd */
case 4: /* sq */
is_write = 1;
break;
default:
break;
}
break;
case 9:
switch (((insn >> 12) & 0b111)) {
case 2: /* fsw */
case 3: /* fsd */
case 4: /* fsq */
is_write = 1;
break;
default:
break;
}
break;
default:
break;
}
}
/* Check for compressed instructions */
switch (((insn >> 13) & 0b111)) {
case 7:
switch (insn & 0b11) {
case 0: /*c.sd */
case 2: /* c.sdsp */
is_write = 1;
break;
default:
break;
}
break;
case 6:
switch (insn & 0b11) {
case 0: /* c.sw */
case 3: /* c.swsp */
is_write = 1;
break;
default:
break;
}
break;
default:
break;
}
return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
}
#else
#error host CPU specific signal handler needed
@@ -740,24 +584,20 @@ static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
{
/* Enforce qemu required alignment. */
if (unlikely(addr & (size - 1))) {
cpu_loop_exit_atomic(env_cpu(env), retaddr);
cpu_loop_exit_atomic(ENV_GET_CPU(env), retaddr);
}
void *ret = g2h(addr);
set_helper_retaddr(retaddr);
return ret;
helper_retaddr = retaddr;
return g2h(addr);
}
/* Macro to call the above, with local variables from the use context. */
#define ATOMIC_MMU_DECLS do {} while (0)
#define ATOMIC_MMU_LOOKUP atomic_mmu_lookup(env, addr, DATA_SIZE, GETPC())
#define ATOMIC_MMU_CLEANUP do { clear_helper_retaddr(); } while (0)
#define ATOMIC_MMU_IDX MMU_USER_IDX
#define ATOMIC_MMU_CLEANUP do { helper_retaddr = 0; } while (0)
#define ATOMIC_NAME(X) HELPER(glue(glue(atomic_ ## X, SUFFIX), END))
#define EXTRA_ARGS
#include "atomic_common.inc.c"
#define DATA_SIZE 1
#include "atomic_template.h"
@@ -775,7 +615,7 @@ static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
/* The following is only callable from other helpers, and matches up
with the softmmu version. */
#if HAVE_ATOMIC128 || HAVE_CMPXCHG128
#ifdef CONFIG_ATOMIC128
#undef EXTRA_ARGS
#undef ATOMIC_NAME
@@ -788,4 +628,4 @@ static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
#define DATA_SIZE 16
#include "atomic_template.h"
#endif
#endif /* CONFIG_ATOMIC128 */
+12 -4
View File
@@ -22,6 +22,7 @@
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "sysemu/sysemu.h"
#include "sysemu/arch_init.h"
@@ -38,10 +39,6 @@
int graphic_width = 1024;
int graphic_height = 768;
int graphic_depth = 8;
#elif defined(TARGET_M68K)
int graphic_width = 800;
int graphic_height = 600;
int graphic_depth = 8;
#else
int graphic_width = 800;
int graphic_height = 600;
@@ -110,3 +107,14 @@ int xen_available(void)
return 0;
#endif
}
TargetInfo *qmp_query_target(Error **errp)
{
TargetInfo *info = g_malloc0(sizeof(*info));
info->arch = qapi_enum_parse(&SysEmuTarget_lookup, TARGET_NAME, -1,
&error_abort);
return info;
}
+2 -1
View File
@@ -1,7 +1,8 @@
common-obj-y = audio.o audio_legacy.o noaudio.o wavaudio.o mixeng.o
common-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
common-obj-$(CONFIG_SPICE) += spiceaudio.o
common-obj-$(CONFIG_AUDIO_COREAUDIO) += coreaudio.o
common-obj-$(CONFIG_AUDIO_DSOUND) += dsoundaudio.o
common-obj-$(CONFIG_AUDIO_PT_INT) += audio_pt_int.o
common-obj-$(CONFIG_AUDIO_WIN_INT) += audio_win_int.o
common-obj-y += wavcapture.o
+540 -240
View File
File diff suppressed because it is too large Load Diff
+810 -857
View File
File diff suppressed because it is too large Load Diff
+35 -42
View File
@@ -26,32 +26,30 @@
#define QEMU_AUDIO_H
#include "qemu/queue.h"
#include "qapi/qapi-types-audio.h"
#include "hw/qdev-properties.h"
typedef void (*audio_callback_fn) (void *opaque, int avail);
typedef enum {
AUD_FMT_U8,
AUD_FMT_S8,
AUD_FMT_U16,
AUD_FMT_S16,
AUD_FMT_U32,
AUD_FMT_S32
} audfmt_e;
#ifdef HOST_WORDS_BIGENDIAN
#define AUDIO_HOST_ENDIANNESS 1
#else
#define AUDIO_HOST_ENDIANNESS 0
#endif
typedef struct audsettings {
struct audsettings {
int freq;
int nchannels;
AudioFormat fmt;
audfmt_e fmt;
int endianness;
} audsettings;
audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo);
int audioformat_bytes_per_sample(AudioFormat fmt);
int audio_buffer_frames(AudiodevPerDirectionOptions *pdo,
audsettings *as, int def_usecs);
int audio_buffer_samples(AudiodevPerDirectionOptions *pdo,
audsettings *as, int def_usecs);
int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo,
audsettings *as, int def_usecs);
};
typedef enum {
AUD_CNOTIFY_ENABLE,
@@ -79,10 +77,8 @@ typedef struct SWVoiceOut SWVoiceOut;
typedef struct CaptureVoiceOut CaptureVoiceOut;
typedef struct SWVoiceIn SWVoiceIn;
typedef struct AudioState AudioState;
typedef struct QEMUSoundCard {
char *name;
AudioState *state;
QLIST_ENTRY (QEMUSoundCard) entries;
} QEMUSoundCard;
@@ -93,10 +89,10 @@ typedef struct QEMUAudioTimeStamp {
void AUD_vlog (const char *cap, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
void AUD_log (const char *cap, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
void AUD_help (void);
void AUD_register_card (const char *name, QEMUSoundCard *card);
void AUD_remove_card (QEMUSoundCard *card);
CaptureVoiceOut *AUD_add_capture(
AudioState *s,
CaptureVoiceOut *AUD_add_capture (
struct audsettings *as,
struct audio_capture_ops *ops,
void *opaque
@@ -113,7 +109,7 @@ SWVoiceOut *AUD_open_out (
);
void AUD_close_out (QEMUSoundCard *card, SWVoiceOut *sw);
size_t AUD_write (SWVoiceOut *sw, void *pcm_buf, size_t size);
int AUD_write (SWVoiceOut *sw, void *pcm_buf, int size);
int AUD_get_buffer_size_out (SWVoiceOut *sw);
void AUD_set_active_out (SWVoiceOut *sw, int on);
int AUD_is_active_out (SWVoiceOut *sw);
@@ -124,16 +120,6 @@ uint64_t AUD_get_elapsed_usec_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts);
void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol);
void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol);
#define AUDIO_MAX_CHANNELS 16
typedef struct Volume {
bool mute;
int channels;
uint8_t vol[AUDIO_MAX_CHANNELS];
} Volume;
void audio_set_volume_out(SWVoiceOut *sw, Volume *vol);
void audio_set_volume_in(SWVoiceIn *sw, Volume *vol);
SWVoiceIn *AUD_open_in (
QEMUSoundCard *card,
SWVoiceIn *sw,
@@ -144,7 +130,7 @@ SWVoiceIn *AUD_open_in (
);
void AUD_close_in (QEMUSoundCard *card, SWVoiceIn *sw);
size_t AUD_read (SWVoiceIn *sw, void *pcm_buf, size_t size);
int AUD_read (SWVoiceIn *sw, void *pcm_buf, int size);
void AUD_set_active_in (SWVoiceIn *sw, int on);
int AUD_is_active_in (SWVoiceIn *sw);
@@ -157,8 +143,25 @@ static inline void *advance (void *p, int incr)
return (d + incr);
}
int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
int freq, int bits, int nchannels);
#ifdef __GNUC__
#define audio_MIN(a, b) ( __extension__ ({ \
__typeof (a) ta = a; \
__typeof (b) tb = b; \
((ta)>(tb)?(tb):(ta)); \
}))
#define audio_MAX(a, b) ( __extension__ ({ \
__typeof (a) ta = a; \
__typeof (b) tb = b; \
((ta)<(tb)?(tb):(ta)); \
}))
#else
#define audio_MIN(a, b) ((a)>(b)?(b):(a))
#define audio_MAX(a, b) ((a)<(b)?(b):(a))
#endif
int wav_start_capture (CaptureState *s, const char *path, int freq,
int bits, int nchannels);
bool audio_is_cleaning_up(void);
void audio_cleanup(void);
@@ -168,14 +171,4 @@ void audio_sample_to_uint64(void *samples, int pos,
void audio_sample_from_uint64(void *samples, int pos,
uint64_t left, uint64_t right);
void audio_parse_option(const char *opt);
void audio_init_audiodevs(void);
void audio_legacy_help(void);
AudioState *audio_state_by_name(const char *name);
const char *audio_get_id(QEMUSoundCard *card);
#define DEFINE_AUDIO_PROPERTIES(_s, _f) \
DEFINE_PROP_AUDIODEV("audiodev", _s, _f)
#endif /* QEMU_AUDIO_H */
+59 -90
View File
@@ -33,6 +33,22 @@
struct audio_pcm_ops;
typedef enum {
AUD_OPT_INT,
AUD_OPT_FMT,
AUD_OPT_STR,
AUD_OPT_BOOL
} audio_option_tag_e;
struct audio_option {
const char *name;
audio_option_tag_e tag;
void *valp;
const char *descr;
int *overriddenp;
int overridden;
};
struct audio_callback {
void *opaque;
audio_callback_fn fn;
@@ -43,70 +59,63 @@ struct audio_pcm_info {
int sign;
int freq;
int nchannels;
int bytes_per_frame;
int align;
int shift;
int bytes_per_second;
int swap_endianness;
};
typedef struct AudioState AudioState;
typedef struct SWVoiceCap SWVoiceCap;
typedef struct STSampleBuffer {
size_t pos, size;
st_sample samples[];
} STSampleBuffer;
typedef struct HWVoiceOut {
AudioState *s;
int enabled;
int poll_mode;
int pending_disable;
struct audio_pcm_info info;
f_sample *clip;
int rpos;
uint64_t ts_helper;
STSampleBuffer *mix_buf;
void *buf_emul;
size_t pos_emul, pending_emul, size_emul;
struct st_sample *mix_buf;
size_t samples;
int samples;
QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
int ctl_caps;
struct audio_pcm_ops *pcm_ops;
QLIST_ENTRY (HWVoiceOut) entries;
} HWVoiceOut;
typedef struct HWVoiceIn {
AudioState *s;
int enabled;
int poll_mode;
struct audio_pcm_info info;
t_sample *conv;
size_t total_samples_captured;
int wpos;
int total_samples_captured;
uint64_t ts_helper;
STSampleBuffer *conv_buf;
void *buf_emul;
size_t pos_emul, pending_emul, size_emul;
struct st_sample *conv_buf;
size_t samples;
int samples;
QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
int ctl_caps;
struct audio_pcm_ops *pcm_ops;
QLIST_ENTRY (HWVoiceIn) entries;
} HWVoiceIn;
struct SWVoiceOut {
QEMUSoundCard *card;
AudioState *s;
struct audio_pcm_info info;
t_sample *conv;
int64_t ratio;
struct st_sample *buf;
void *rate;
size_t total_hw_samples_mixed;
int total_hw_samples_mixed;
int active;
int empty;
HWVoiceOut *hw;
@@ -118,12 +127,11 @@ struct SWVoiceOut {
struct SWVoiceIn {
QEMUSoundCard *card;
AudioState *s;
int active;
struct audio_pcm_info info;
int64_t ratio;
void *rate;
size_t total_hw_samples_acquired;
int total_hw_samples_acquired;
struct st_sample *buf;
f_sample *clip;
HWVoiceIn *hw;
@@ -137,7 +145,8 @@ typedef struct audio_driver audio_driver;
struct audio_driver {
const char *name;
const char *descr;
void *(*init) (Audiodev *);
struct audio_option *options;
void *(*init) (void);
void (*fini) (void *);
struct audio_pcm_ops *pcm_ops;
int can_be_default;
@@ -145,46 +154,24 @@ struct audio_driver {
int max_voices_in;
int voice_size_out;
int voice_size_in;
int ctl_caps;
QLIST_ENTRY(audio_driver) next;
};
struct audio_pcm_ops {
int (*init_out)(HWVoiceOut *hw, audsettings *as, void *drv_opaque);
void (*fini_out)(HWVoiceOut *hw);
size_t (*write) (HWVoiceOut *hw, void *buf, size_t size);
/*
* get a buffer that after later can be passed to put_buffer_out; optional
* returns the buffer, and writes it's size to size (in bytes)
* this is unrelated to the above buffer_size_out function
*/
void *(*get_buffer_out)(HWVoiceOut *hw, size_t *size);
/*
* put back the buffer returned by get_buffer_out; optional
* buf must be equal the pointer returned by get_buffer_out,
* size may be smaller
*/
size_t (*put_buffer_out)(HWVoiceOut *hw, void *buf, size_t size);
void (*enable_out)(HWVoiceOut *hw, bool enable);
void (*volume_out)(HWVoiceOut *hw, Volume *vol);
int (*init_out)(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque);
void (*fini_out)(HWVoiceOut *hw);
int (*run_out) (HWVoiceOut *hw, int live);
int (*write) (SWVoiceOut *sw, void *buf, int size);
int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
int (*init_in) (HWVoiceIn *hw, audsettings *as, void *drv_opaque);
void (*fini_in) (HWVoiceIn *hw);
size_t (*read) (HWVoiceIn *hw, void *buf, size_t size);
void *(*get_buffer_in)(HWVoiceIn *hw, size_t *size);
void (*put_buffer_in)(HWVoiceIn *hw, void *buf, size_t size);
void (*enable_in)(HWVoiceIn *hw, bool enable);
void (*volume_in)(HWVoiceIn *hw, Volume *vol);
int (*init_in) (HWVoiceIn *hw, struct audsettings *as, void *drv_opaque);
void (*fini_in) (HWVoiceIn *hw);
int (*run_in) (HWVoiceIn *hw);
int (*read) (SWVoiceIn *sw, void *buf, int size);
int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
};
void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size);
void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size);
void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size);
size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size);
size_t audio_generic_put_buffer_out_nowrite(HWVoiceOut *hw, void *buf,
size_t size);
size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size);
size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size);
struct capture_callback {
struct audio_capture_ops ops;
void *opaque;
@@ -204,9 +191,8 @@ struct SWVoiceCap {
QLIST_ENTRY (SWVoiceCap) entries;
};
typedef struct AudioState {
struct AudioState {
struct audio_driver *drv;
Audiodev *dev;
void *drv_opaque;
QEMUTimer *ts;
@@ -217,39 +203,36 @@ typedef struct AudioState {
int nb_hw_voices_out;
int nb_hw_voices_in;
int vm_running;
int64_t period_ticks;
bool timer_running;
uint64_t timer_last;
QTAILQ_ENTRY(AudioState) list;
} AudioState;
};
extern const struct mixeng_volume nominal_volume;
extern const char *audio_prio_list[];
void audio_driver_register(audio_driver *drv);
audio_driver *audio_driver_lookup(const char *name);
void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
int live, int pending);
int audio_bug (const char *funcname, int cond);
void *audio_calloc (const char *funcname, int nmemb, size_t size);
void audio_run(AudioState *s, const char *msg);
void audio_run (const char *msg);
typedef struct RateCtl {
int64_t start_ticks;
int64_t bytes_sent;
} RateCtl;
#define VOICE_ENABLE 1
#define VOICE_DISABLE 2
#define VOICE_VOLUME 3
void audio_rate_start(RateCtl *rate);
size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate,
size_t bytes_avail);
#define VOICE_VOLUME_CAP (1 << VOICE_VOLUME)
static inline size_t audio_ring_dist(size_t dst, size_t src, size_t len)
static inline int audio_ring_dist (int dst, int src, int len)
{
return (dst >= src) ? (dst - src) : (len - src + dst);
}
@@ -265,18 +248,4 @@ static inline size_t audio_ring_dist(size_t dst, size_t src, size_t len)
#define AUDIO_STRINGIFY_(n) #n
#define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
typedef struct AudiodevListEntry {
Audiodev *dev;
QSIMPLEQ_ENTRY(AudiodevListEntry) next;
} AudiodevListEntry;
typedef QSIMPLEQ_HEAD(, AudiodevListEntry) AudiodevListHead;
AudiodevListHead audio_handle_legacy_opts(void);
void audio_free_audiodev_list(AudiodevListHead *head);
void audio_create_pdos(Audiodev *dev);
AudiodevPerDirectionOptions *audio_get_pdo_in(Audiodev *dev);
AudiodevPerDirectionOptions *audio_get_pdo_out(Audiodev *dev);
#endif /* QEMU_AUDIO_INT_H */
-549
View File
@@ -1,549 +0,0 @@
/*
* QEMU Audio subsystem: legacy configuration handling
*
* Copyright (c) 2015-2019 Zoltán Kővágó <DirtY.iCE.hu@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "audio.h"
#include "audio_int.h"
#include "qemu/cutils.h"
#include "qemu/timer.h"
#include "qapi/error.h"
#include "qapi/qapi-visit-audio.h"
#include "qapi/visitor-impl.h"
#define AUDIO_CAP "audio-legacy"
#include "audio_int.h"
static uint32_t toui32(const char *str)
{
unsigned long long ret;
if (parse_uint_full(str, &ret, 10) || ret > UINT32_MAX) {
dolog("Invalid integer value `%s'\n", str);
exit(1);
}
return ret;
}
/* helper functions to convert env variables */
static void get_bool(const char *env, bool *dst, bool *has_dst)
{
const char *val = getenv(env);
if (val) {
*dst = toui32(val) != 0;
*has_dst = true;
}
}
static void get_int(const char *env, uint32_t *dst, bool *has_dst)
{
const char *val = getenv(env);
if (val) {
*dst = toui32(val);
*has_dst = true;
}
}
static void get_str(const char *env, char **dst, bool *has_dst)
{
const char *val = getenv(env);
if (val) {
if (*has_dst) {
g_free(*dst);
}
*dst = g_strdup(val);
*has_dst = true;
}
}
static void get_fmt(const char *env, AudioFormat *dst, bool *has_dst)
{
const char *val = getenv(env);
if (val) {
size_t i;
for (i = 0; AudioFormat_lookup.size; ++i) {
if (strcasecmp(val, AudioFormat_lookup.array[i]) == 0) {
*dst = i;
*has_dst = true;
return;
}
}
dolog("Invalid audio format `%s'\n", val);
exit(1);
}
}
static void get_millis_to_usecs(const char *env, uint32_t *dst, bool *has_dst)
{
const char *val = getenv(env);
if (val) {
*dst = toui32(val) * 1000;
*has_dst = true;
}
}
static uint32_t frames_to_usecs(uint32_t frames,
AudiodevPerDirectionOptions *pdo)
{
uint32_t freq = pdo->has_frequency ? pdo->frequency : 44100;
return (frames * 1000000 + freq / 2) / freq;
}
static void get_frames_to_usecs(const char *env, uint32_t *dst, bool *has_dst,
AudiodevPerDirectionOptions *pdo)
{
const char *val = getenv(env);
if (val) {
*dst = frames_to_usecs(toui32(val), pdo);
*has_dst = true;
}
}
static uint32_t samples_to_usecs(uint32_t samples,
AudiodevPerDirectionOptions *pdo)
{
uint32_t channels = pdo->has_channels ? pdo->channels : 2;
return frames_to_usecs(samples / channels, pdo);
}
static void get_samples_to_usecs(const char *env, uint32_t *dst, bool *has_dst,
AudiodevPerDirectionOptions *pdo)
{
const char *val = getenv(env);
if (val) {
*dst = samples_to_usecs(toui32(val), pdo);
*has_dst = true;
}
}
static uint32_t bytes_to_usecs(uint32_t bytes, AudiodevPerDirectionOptions *pdo)
{
AudioFormat fmt = pdo->has_format ? pdo->format : AUDIO_FORMAT_S16;
uint32_t bytes_per_sample = audioformat_bytes_per_sample(fmt);
return samples_to_usecs(bytes / bytes_per_sample, pdo);
}
static void get_bytes_to_usecs(const char *env, uint32_t *dst, bool *has_dst,
AudiodevPerDirectionOptions *pdo)
{
const char *val = getenv(env);
if (val) {
*dst = bytes_to_usecs(toui32(val), pdo);
*has_dst = true;
}
}
/* backend specific functions */
/* ALSA */
static void handle_alsa_per_direction(
AudiodevAlsaPerDirectionOptions *apdo, const char *prefix)
{
char buf[64];
size_t len = strlen(prefix);
bool size_in_usecs = false;
bool dummy;
memcpy(buf, prefix, len);
strcpy(buf + len, "TRY_POLL");
get_bool(buf, &apdo->try_poll, &apdo->has_try_poll);
strcpy(buf + len, "DEV");
get_str(buf, &apdo->dev, &apdo->has_dev);
strcpy(buf + len, "SIZE_IN_USEC");
get_bool(buf, &size_in_usecs, &dummy);
strcpy(buf + len, "PERIOD_SIZE");
get_int(buf, &apdo->period_length, &apdo->has_period_length);
if (apdo->has_period_length && !size_in_usecs) {
apdo->period_length = frames_to_usecs(
apdo->period_length,
qapi_AudiodevAlsaPerDirectionOptions_base(apdo));
}
strcpy(buf + len, "BUFFER_SIZE");
get_int(buf, &apdo->buffer_length, &apdo->has_buffer_length);
if (apdo->has_buffer_length && !size_in_usecs) {
apdo->buffer_length = frames_to_usecs(
apdo->buffer_length,
qapi_AudiodevAlsaPerDirectionOptions_base(apdo));
}
}
static void handle_alsa(Audiodev *dev)
{
AudiodevAlsaOptions *aopt = &dev->u.alsa;
handle_alsa_per_direction(aopt->in, "QEMU_ALSA_ADC_");
handle_alsa_per_direction(aopt->out, "QEMU_ALSA_DAC_");
get_millis_to_usecs("QEMU_ALSA_THRESHOLD",
&aopt->threshold, &aopt->has_threshold);
}
/* coreaudio */
static void handle_coreaudio(Audiodev *dev)
{
get_frames_to_usecs(
"QEMU_COREAUDIO_BUFFER_SIZE",
&dev->u.coreaudio.out->buffer_length,
&dev->u.coreaudio.out->has_buffer_length,
qapi_AudiodevCoreaudioPerDirectionOptions_base(dev->u.coreaudio.out));
get_int("QEMU_COREAUDIO_BUFFER_COUNT",
&dev->u.coreaudio.out->buffer_count,
&dev->u.coreaudio.out->has_buffer_count);
}
/* dsound */
static void handle_dsound(Audiodev *dev)
{
get_millis_to_usecs("QEMU_DSOUND_LATENCY_MILLIS",
&dev->u.dsound.latency, &dev->u.dsound.has_latency);
get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_OUT",
&dev->u.dsound.out->buffer_length,
&dev->u.dsound.out->has_buffer_length,
dev->u.dsound.out);
get_bytes_to_usecs("QEMU_DSOUND_BUFSIZE_IN",
&dev->u.dsound.in->buffer_length,
&dev->u.dsound.in->has_buffer_length,
dev->u.dsound.in);
}
/* OSS */
static void handle_oss_per_direction(
AudiodevOssPerDirectionOptions *opdo, const char *try_poll_env,
const char *dev_env)
{
get_bool(try_poll_env, &opdo->try_poll, &opdo->has_try_poll);
get_str(dev_env, &opdo->dev, &opdo->has_dev);
get_bytes_to_usecs("QEMU_OSS_FRAGSIZE",
&opdo->buffer_length, &opdo->has_buffer_length,
qapi_AudiodevOssPerDirectionOptions_base(opdo));
get_int("QEMU_OSS_NFRAGS", &opdo->buffer_count,
&opdo->has_buffer_count);
}
static void handle_oss(Audiodev *dev)
{
AudiodevOssOptions *oopt = &dev->u.oss;
handle_oss_per_direction(oopt->in, "QEMU_AUDIO_ADC_TRY_POLL",
"QEMU_OSS_ADC_DEV");
handle_oss_per_direction(oopt->out, "QEMU_AUDIO_DAC_TRY_POLL",
"QEMU_OSS_DAC_DEV");
get_bool("QEMU_OSS_MMAP", &oopt->try_mmap, &oopt->has_try_mmap);
get_bool("QEMU_OSS_EXCLUSIVE", &oopt->exclusive, &oopt->has_exclusive);
get_int("QEMU_OSS_POLICY", &oopt->dsp_policy, &oopt->has_dsp_policy);
}
/* pulseaudio */
static void handle_pa_per_direction(
AudiodevPaPerDirectionOptions *ppdo, const char *env)
{
get_str(env, &ppdo->name, &ppdo->has_name);
}
static void handle_pa(Audiodev *dev)
{
handle_pa_per_direction(dev->u.pa.in, "QEMU_PA_SOURCE");
handle_pa_per_direction(dev->u.pa.out, "QEMU_PA_SINK");
get_samples_to_usecs(
"QEMU_PA_SAMPLES", &dev->u.pa.in->buffer_length,
&dev->u.pa.in->has_buffer_length,
qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.in));
get_samples_to_usecs(
"QEMU_PA_SAMPLES", &dev->u.pa.out->buffer_length,
&dev->u.pa.out->has_buffer_length,
qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.out));
get_str("QEMU_PA_SERVER", &dev->u.pa.server, &dev->u.pa.has_server);
}
/* SDL */
static void handle_sdl(Audiodev *dev)
{
/* SDL is output only */
get_samples_to_usecs("QEMU_SDL_SAMPLES", &dev->u.sdl.out->buffer_length,
&dev->u.sdl.out->has_buffer_length, dev->u.sdl.out);
}
/* wav */
static void handle_wav(Audiodev *dev)
{
get_int("QEMU_WAV_FREQUENCY",
&dev->u.wav.out->frequency, &dev->u.wav.out->has_frequency);
get_fmt("QEMU_WAV_FORMAT", &dev->u.wav.out->format,
&dev->u.wav.out->has_format);
get_int("QEMU_WAV_DAC_FIXED_CHANNELS",
&dev->u.wav.out->channels, &dev->u.wav.out->has_channels);
get_str("QEMU_WAV_PATH", &dev->u.wav.path, &dev->u.wav.has_path);
}
/* general */
static void handle_per_direction(
AudiodevPerDirectionOptions *pdo, const char *prefix)
{
char buf[64];
size_t len = strlen(prefix);
memcpy(buf, prefix, len);
strcpy(buf + len, "FIXED_SETTINGS");
get_bool(buf, &pdo->fixed_settings, &pdo->has_fixed_settings);
strcpy(buf + len, "FIXED_FREQ");
get_int(buf, &pdo->frequency, &pdo->has_frequency);
strcpy(buf + len, "FIXED_FMT");
get_fmt(buf, &pdo->format, &pdo->has_format);
strcpy(buf + len, "FIXED_CHANNELS");
get_int(buf, &pdo->channels, &pdo->has_channels);
strcpy(buf + len, "VOICES");
get_int(buf, &pdo->voices, &pdo->has_voices);
}
static AudiodevListEntry *legacy_opt(const char *drvname)
{
AudiodevListEntry *e = g_malloc0(sizeof(AudiodevListEntry));
e->dev = g_malloc0(sizeof(Audiodev));
e->dev->id = g_strdup(drvname);
e->dev->driver = qapi_enum_parse(
&AudiodevDriver_lookup, drvname, -1, &error_abort);
audio_create_pdos(e->dev);
handle_per_direction(audio_get_pdo_in(e->dev), "QEMU_AUDIO_ADC_");
handle_per_direction(audio_get_pdo_out(e->dev), "QEMU_AUDIO_DAC_");
/* Original description: Timer period in HZ (0 - use lowest possible) */
get_int("QEMU_AUDIO_TIMER_PERIOD",
&e->dev->timer_period, &e->dev->has_timer_period);
if (e->dev->has_timer_period && e->dev->timer_period) {
e->dev->timer_period = NANOSECONDS_PER_SECOND / 1000 /
e->dev->timer_period;
}
switch (e->dev->driver) {
case AUDIODEV_DRIVER_ALSA:
handle_alsa(e->dev);
break;
case AUDIODEV_DRIVER_COREAUDIO:
handle_coreaudio(e->dev);
break;
case AUDIODEV_DRIVER_DSOUND:
handle_dsound(e->dev);
break;
case AUDIODEV_DRIVER_OSS:
handle_oss(e->dev);
break;
case AUDIODEV_DRIVER_PA:
handle_pa(e->dev);
break;
case AUDIODEV_DRIVER_SDL:
handle_sdl(e->dev);
break;
case AUDIODEV_DRIVER_WAV:
handle_wav(e->dev);
break;
default:
break;
}
return e;
}
AudiodevListHead audio_handle_legacy_opts(void)
{
const char *drvname = getenv("QEMU_AUDIO_DRV");
AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head);
if (drvname) {
AudiodevListEntry *e;
audio_driver *driver = audio_driver_lookup(drvname);
if (!driver) {
dolog("Unknown audio driver `%s'\n", drvname);
exit(1);
}
e = legacy_opt(drvname);
QSIMPLEQ_INSERT_TAIL(&head, e, next);
} else {
for (int i = 0; audio_prio_list[i]; i++) {
audio_driver *driver = audio_driver_lookup(audio_prio_list[i]);
if (driver && driver->can_be_default) {
AudiodevListEntry *e = legacy_opt(driver->name);
QSIMPLEQ_INSERT_TAIL(&head, e, next);
}
}
if (QSIMPLEQ_EMPTY(&head)) {
dolog("Internal error: no default audio driver available\n");
exit(1);
}
}
return head;
}
/* visitor to print -audiodev option */
typedef struct {
Visitor visitor;
bool comma;
GList *path;
} LegacyPrintVisitor;
static void lv_start_struct(Visitor *v, const char *name, void **obj,
size_t size, Error **errp)
{
LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v;
lv->path = g_list_append(lv->path, g_strdup(name));
}
static void lv_end_struct(Visitor *v, void **obj)
{
LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v;
lv->path = g_list_delete_link(lv->path, g_list_last(lv->path));
}
static void lv_print_key(Visitor *v, const char *name)
{
GList *e;
LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v;
if (lv->comma) {
putchar(',');
} else {
lv->comma = true;
}
for (e = lv->path; e; e = e->next) {
if (e->data) {
printf("%s.", (const char *) e->data);
}
}
printf("%s=", name);
}
static void lv_type_int64(Visitor *v, const char *name, int64_t *obj,
Error **errp)
{
lv_print_key(v, name);
printf("%" PRIi64, *obj);
}
static void lv_type_uint64(Visitor *v, const char *name, uint64_t *obj,
Error **errp)
{
lv_print_key(v, name);
printf("%" PRIu64, *obj);
}
static void lv_type_bool(Visitor *v, const char *name, bool *obj, Error **errp)
{
lv_print_key(v, name);
printf("%s", *obj ? "on" : "off");
}
static void lv_type_str(Visitor *v, const char *name, char **obj, Error **errp)
{
const char *str = *obj;
lv_print_key(v, name);
while (*str) {
if (*str == ',') {
putchar(',');
}
putchar(*str++);
}
}
static void lv_complete(Visitor *v, void *opaque)
{
LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v;
assert(lv->path == NULL);
}
static void lv_free(Visitor *v)
{
LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v;
g_list_free_full(lv->path, g_free);
g_free(lv);
}
static Visitor *legacy_visitor_new(void)
{
LegacyPrintVisitor *lv = g_malloc0(sizeof(LegacyPrintVisitor));
lv->visitor.start_struct = lv_start_struct;
lv->visitor.end_struct = lv_end_struct;
/* lists not supported */
lv->visitor.type_int64 = lv_type_int64;
lv->visitor.type_uint64 = lv_type_uint64;
lv->visitor.type_bool = lv_type_bool;
lv->visitor.type_str = lv_type_str;
lv->visitor.type = VISITOR_OUTPUT;
lv->visitor.complete = lv_complete;
lv->visitor.free = lv_free;
return &lv->visitor;
}
void audio_legacy_help(void)
{
AudiodevListHead head;
AudiodevListEntry *e;
printf("Environment variable based configuration deprecated.\n");
printf("Please use the new -audiodev option.\n");
head = audio_handle_legacy_opts();
printf("\nEquivalent -audiodev to your current environment variables:\n");
if (!getenv("QEMU_AUDIO_DRV")) {
printf("(Since you didn't specify QEMU_AUDIO_DRV, I'll list all "
"possibilities)\n");
}
QSIMPLEQ_FOREACH(e, &head, next) {
Visitor *v;
Audiodev *dev = e->dev;
printf("-audiodev ");
v = legacy_visitor_new();
visit_type_Audiodev(v, NULL, &dev, &error_abort);
visit_free(v);
printf("\n");
}
audio_free_audiodev_list(&head);
}
+174
View File
@@ -0,0 +1,174 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "audio.h"
#define AUDIO_CAP "audio-pt"
#include "audio_int.h"
#include "audio_pt_int.h"
static void GCC_FMT_ATTR(3, 4) logerr (struct audio_pt *pt, int err,
const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
AUD_vlog (pt->drv, fmt, ap);
va_end (ap);
AUD_log (NULL, "\n");
AUD_log (pt->drv, "Reason: %s\n", strerror (err));
}
int audio_pt_init (struct audio_pt *p, void *(*func) (void *),
void *opaque, const char *drv, const char *cap)
{
int err, err2;
const char *efunc;
sigset_t set, old_set;
p->drv = drv;
err = sigfillset (&set);
if (err) {
logerr(p, errno, "%s(%s): sigfillset failed", cap, __func__);
return -1;
}
err = pthread_mutex_init (&p->mutex, NULL);
if (err) {
efunc = "pthread_mutex_init";
goto err0;
}
err = pthread_cond_init (&p->cond, NULL);
if (err) {
efunc = "pthread_cond_init";
goto err1;
}
err = pthread_sigmask (SIG_BLOCK, &set, &old_set);
if (err) {
efunc = "pthread_sigmask";
goto err2;
}
err = pthread_create (&p->thread, NULL, func, opaque);
err2 = pthread_sigmask (SIG_SETMASK, &old_set, NULL);
if (err2) {
logerr(p, err2, "%s(%s): pthread_sigmask (restore) failed",
cap, __func__);
/* We have failed to restore original signal mask, all bets are off,
so terminate the process */
exit (EXIT_FAILURE);
}
if (err) {
efunc = "pthread_create";
goto err2;
}
return 0;
err2:
err2 = pthread_cond_destroy (&p->cond);
if (err2) {
logerr(p, err2, "%s(%s): pthread_cond_destroy failed", cap, __func__);
}
err1:
err2 = pthread_mutex_destroy (&p->mutex);
if (err2) {
logerr(p, err2, "%s(%s): pthread_mutex_destroy failed", cap, __func__);
}
err0:
logerr(p, err, "%s(%s): %s failed", cap, __func__, efunc);
return -1;
}
int audio_pt_fini (struct audio_pt *p, const char *cap)
{
int err, ret = 0;
err = pthread_cond_destroy (&p->cond);
if (err) {
logerr(p, err, "%s(%s): pthread_cond_destroy failed", cap, __func__);
ret = -1;
}
err = pthread_mutex_destroy (&p->mutex);
if (err) {
logerr(p, err, "%s(%s): pthread_mutex_destroy failed", cap, __func__);
ret = -1;
}
return ret;
}
int audio_pt_lock (struct audio_pt *p, const char *cap)
{
int err;
err = pthread_mutex_lock (&p->mutex);
if (err) {
logerr(p, err, "%s(%s): pthread_mutex_lock failed", cap, __func__);
return -1;
}
return 0;
}
int audio_pt_unlock (struct audio_pt *p, const char *cap)
{
int err;
err = pthread_mutex_unlock (&p->mutex);
if (err) {
logerr(p, err, "%s(%s): pthread_mutex_unlock failed", cap, __func__);
return -1;
}
return 0;
}
int audio_pt_wait (struct audio_pt *p, const char *cap)
{
int err;
err = pthread_cond_wait (&p->cond, &p->mutex);
if (err) {
logerr(p, err, "%s(%s): pthread_cond_wait failed", cap, __func__);
return -1;
}
return 0;
}
int audio_pt_unlock_and_signal (struct audio_pt *p, const char *cap)
{
int err;
err = pthread_mutex_unlock (&p->mutex);
if (err) {
logerr(p, err, "%s(%s): pthread_mutex_unlock failed", cap, __func__);
return -1;
}
err = pthread_cond_signal (&p->cond);
if (err) {
logerr(p, err, "%s(%s): pthread_cond_signal failed", cap, __func__);
return -1;
}
return 0;
}
int audio_pt_join (struct audio_pt *p, void **arg, const char *cap)
{
int err;
void *ret;
err = pthread_join (p->thread, &ret);
if (err) {
logerr(p, err, "%s(%s): pthread_join failed", cap, __func__);
return -1;
}
*arg = ret;
return 0;
}
+22
View File
@@ -0,0 +1,22 @@
#ifndef QEMU_AUDIO_PT_INT_H
#define QEMU_AUDIO_PT_INT_H
#include <pthread.h>
struct audio_pt {
const char *drv;
pthread_t thread;
pthread_cond_t cond;
pthread_mutex_t mutex;
};
int audio_pt_init (struct audio_pt *, void *(*) (void *), void *,
const char *, const char *);
int audio_pt_fini (struct audio_pt *, const char *);
int audio_pt_lock (struct audio_pt *, const char *);
int audio_pt_unlock (struct audio_pt *, const char *);
int audio_pt_wait (struct audio_pt *, const char *);
int audio_pt_unlock_and_signal (struct audio_pt *, const char *);
int audio_pt_join (struct audio_pt *, void **, const char *);
#endif /* QEMU_AUDIO_PT_INT_H */
+42 -82
View File
@@ -36,9 +36,9 @@
#define HWBUF hw->conv_buf
#endif
static void glue(audio_init_nb_voices_, TYPE)(AudioState *s,
struct audio_driver *drv)
static void glue (audio_init_nb_voices_, TYPE) (struct audio_driver *drv)
{
AudioState *s = &glob_audio_state;
int max_voices = glue (drv->max_voices_, TYPE);
int voice_size = glue (drv->voice_size_, TYPE);
@@ -71,24 +71,20 @@ static void glue(audio_init_nb_voices_, TYPE)(AudioState *s,
static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
{
g_free(hw->buf_emul);
g_free (HWBUF);
HWBUF = NULL;
}
static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw)
{
if (glue(audio_get_pdo_, TYPE)(hw->s->dev)->mixing_engine) {
size_t samples = hw->samples;
if (audio_bug(__func__, samples == 0)) {
dolog("Attempted to allocate empty buffer\n");
}
HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
HWBUF->size = samples;
} else {
HWBUF = NULL;
HWBUF = audio_calloc(__func__, hw->samples, sizeof(struct st_sample));
if (!HWBUF) {
dolog ("Could not allocate " NAME " buffer (%d samples)\n",
hw->samples);
return -1;
}
return 0;
}
static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
@@ -107,11 +103,7 @@ static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
{
int samples;
if (!glue(audio_get_pdo_, TYPE)(sw->s->dev)->mixing_engine) {
return 0;
}
samples = ((int64_t) sw->HWBUF->size << 32) / sw->ratio;
samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;
sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample));
if (!sw->buf) {
@@ -191,8 +183,8 @@ static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
{
AudioState *s = &glob_audio_state;
HW *hw = *hwp;
AudioState *s = hw->s;
if (!hw->sw_head.lh_first) {
#ifdef DAC
@@ -207,14 +199,15 @@ static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
}
}
static HW *glue(audio_pcm_hw_find_any_, TYPE)(AudioState *s, HW *hw)
static HW *glue (audio_pcm_hw_find_any_, TYPE) (HW *hw)
{
AudioState *s = &glob_audio_state;
return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
}
static HW *glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState *s, HW *hw)
static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (HW *hw)
{
while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
if (hw->enabled) {
return hw;
}
@@ -222,10 +215,12 @@ static HW *glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState *s, HW *hw)
return NULL;
}
static HW *glue(audio_pcm_hw_find_specific_, TYPE)(AudioState *s, HW *hw,
struct audsettings *as)
static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
HW *hw,
struct audsettings *as
)
{
while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
if (audio_pcm_info_eq (&hw->info, as)) {
return hw;
}
@@ -233,10 +228,10 @@ static HW *glue(audio_pcm_hw_find_specific_, TYPE)(AudioState *s, HW *hw,
return NULL;
}
static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
struct audsettings *as)
static HW *glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings *as)
{
HW *hw;
AudioState *s = &glob_audio_state;
struct audio_driver *drv = s->drv;
if (!glue (s->nb_hw_voices_, TYPE)) {
@@ -260,8 +255,8 @@ static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
return NULL;
}
hw->s = s;
hw->pcm_ops = drv->pcm_ops;
hw->ctl_caps = drv->ctl_caps;
QLIST_INIT (&hw->sw_head);
#ifdef DAC
@@ -272,7 +267,7 @@ static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
}
if (audio_bug(__func__, hw->samples <= 0)) {
dolog("hw->samples=%zd\n", hw->samples);
dolog ("hw->samples=%d\n", hw->samples);
goto err1;
}
@@ -286,7 +281,9 @@ static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
[hw->info.swap_endianness]
[audio_bits_to_index (hw->info.bits)];
glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);
if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
goto err1;
}
QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
glue (s->nb_hw_voices_, TYPE) -= 1;
@@ -302,62 +299,31 @@ static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
return NULL;
}
AudiodevPerDirectionOptions *glue(audio_get_pdo_, TYPE)(Audiodev *dev)
{
switch (dev->driver) {
case AUDIODEV_DRIVER_NONE:
return dev->u.none.TYPE;
case AUDIODEV_DRIVER_ALSA:
return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
case AUDIODEV_DRIVER_COREAUDIO:
return qapi_AudiodevCoreaudioPerDirectionOptions_base(
dev->u.coreaudio.TYPE);
case AUDIODEV_DRIVER_DSOUND:
return dev->u.dsound.TYPE;
case AUDIODEV_DRIVER_OSS:
return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
case AUDIODEV_DRIVER_PA:
return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
case AUDIODEV_DRIVER_SDL:
return dev->u.sdl.TYPE;
case AUDIODEV_DRIVER_SPICE:
return dev->u.spice.TYPE;
case AUDIODEV_DRIVER_WAV:
return dev->u.wav.TYPE;
case AUDIODEV_DRIVER__MAX:
break;
}
abort();
}
static HW *glue(audio_pcm_hw_add_, TYPE)(AudioState *s, struct audsettings *as)
static HW *glue (audio_pcm_hw_add_, TYPE) (struct audsettings *as)
{
HW *hw;
AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
if (!pdo->mixing_engine || pdo->fixed_settings) {
hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
if (!pdo->mixing_engine || hw) {
if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
if (hw) {
return hw;
}
}
hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
hw = glue (audio_pcm_hw_find_specific_, TYPE) (NULL, as);
if (hw) {
return hw;
}
hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
if (hw) {
return hw;
}
return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
return glue (audio_pcm_hw_find_any_, TYPE) (NULL);
}
static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
AudioState *s,
static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
const char *sw_name,
struct audsettings *as
)
@@ -365,10 +331,9 @@ static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
SW *sw;
HW *hw;
struct audsettings hw_as;
AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
if (pdo->fixed_settings) {
hw_as = audiodev_to_audsettings(pdo);
if (glue (conf.fixed_, TYPE).enabled) {
hw_as = glue (conf.fixed_, TYPE).settings;
}
else {
hw_as = *as;
@@ -380,9 +345,8 @@ static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
sw_name ? sw_name : "unknown", sizeof (*sw));
goto err1;
}
sw->s = s;
hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
hw = glue (audio_pcm_hw_add_, TYPE) (&hw_as);
if (!hw) {
goto err2;
}
@@ -433,8 +397,7 @@ SW *glue (AUD_open_, TYPE) (
struct audsettings *as
)
{
AudioState *s;
AudiodevPerDirectionOptions *pdo;
AudioState *s = &glob_audio_state;
if (audio_bug(__func__, !card || !name || !callback_fn || !as)) {
dolog ("card=%p name=%p callback_fn=%p as=%p\n",
@@ -442,9 +405,6 @@ SW *glue (AUD_open_, TYPE) (
goto fail;
}
s = card->state;
pdo = glue(audio_get_pdo_, TYPE)(s->dev);
ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
name, as->freq, as->nchannels, as->fmt);
@@ -462,7 +422,7 @@ SW *glue (AUD_open_, TYPE) (
return sw;
}
if (!pdo->fixed_settings && sw) {
if (!glue (conf.fixed_, TYPE).enabled && sw) {
glue (AUD_close_, TYPE) (card, sw);
sw = NULL;
}
@@ -482,7 +442,7 @@ SW *glue (AUD_open_, TYPE) (
}
}
else {
sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
sw = glue (audio_pcm_create_voice_pair_, TYPE) (name, as);
if (!sw) {
dolog ("Failed to create voice `%s'\n", name);
return NULL;
+9 -9
View File
@@ -24,20 +24,20 @@ int waveformat_from_audio_settings (WAVEFORMATEX *wfx,
wfx->cbSize = 0;
switch (as->fmt) {
case AUDIO_FORMAT_S8:
case AUDIO_FORMAT_U8:
case AUD_FMT_S8:
case AUD_FMT_U8:
wfx->wBitsPerSample = 8;
break;
case AUDIO_FORMAT_S16:
case AUDIO_FORMAT_U16:
case AUD_FMT_S16:
case AUD_FMT_U16:
wfx->wBitsPerSample = 16;
wfx->nAvgBytesPerSec <<= 1;
wfx->nBlockAlign <<= 1;
break;
case AUDIO_FORMAT_S32:
case AUDIO_FORMAT_U32:
case AUD_FMT_S32:
case AUD_FMT_U32:
wfx->wBitsPerSample = 32;
wfx->nAvgBytesPerSec <<= 2;
wfx->nBlockAlign <<= 2;
@@ -85,15 +85,15 @@ int waveformat_to_audio_settings (WAVEFORMATEX *wfx,
switch (wfx->wBitsPerSample) {
case 8:
as->fmt = AUDIO_FORMAT_U8;
as->fmt = AUD_FMT_U8;
break;
case 16:
as->fmt = AUDIO_FORMAT_S16;
as->fmt = AUD_FMT_S16;
break;
case 32:
as->fmt = AUDIO_FORMAT_S32;
as->fmt = AUD_FMT_S32;
break;
default:
+112 -82
View File
@@ -26,7 +26,7 @@
#include <CoreAudio/CoreAudio.h>
#include <pthread.h> /* pthread_X */
#include "qemu/module.h"
#include "qemu-common.h"
#include "audio.h"
#define AUDIO_CAP "coreaudio"
@@ -36,6 +36,11 @@
#define MAC_OS_X_VERSION_10_6 1060
#endif
typedef struct {
int buffer_frames;
int nbuffers;
} CoreaudioConf;
typedef struct coreaudioVoiceOut {
HWVoiceOut hw;
pthread_mutex_t mutex;
@@ -43,6 +48,9 @@ typedef struct coreaudioVoiceOut {
UInt32 audioDevicePropertyBufferFrameSize;
AudioStreamBasicDescription outputStreamBasicDescription;
AudioDeviceIOProcID ioprocid;
int live;
int decr;
int rpos;
} coreaudioVoiceOut;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
@@ -394,29 +402,31 @@ static int coreaudio_unlock (coreaudioVoiceOut *core, const char *fn_name)
return 0;
}
#define COREAUDIO_WRAPPER_FUNC(name, ret_type, args_decl, args) \
static ret_type glue(coreaudio_, name)args_decl \
{ \
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw; \
ret_type ret; \
\
if (coreaudio_lock(core, "coreaudio_" #name)) { \
return 0; \
} \
\
ret = glue(audio_generic_, name)args; \
\
coreaudio_unlock(core, "coreaudio_" #name); \
return ret; \
static int coreaudio_run_out (HWVoiceOut *hw, int live)
{
int decr;
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
if (coreaudio_lock (core, "coreaudio_run_out")) {
return 0;
}
COREAUDIO_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size),
(hw, size))
COREAUDIO_WRAPPER_FUNC(put_buffer_out_nowrite, size_t,
(HWVoiceOut *hw, void *buf, size_t size),
(hw, buf, size))
COREAUDIO_WRAPPER_FUNC(write, size_t, (HWVoiceOut *hw, void *buf, size_t size),
(hw, buf, size))
#undef COREAUDIO_WRAPPER_FUNC
if (core->decr > live) {
ldebug ("core->decr %d live %d core->live %d\n",
core->decr,
live,
core->live);
}
decr = audio_MIN (core->decr, live);
core->decr -= decr;
core->live = live - decr;
hw->rpos = core->rpos;
coreaudio_unlock (core, "coreaudio_run_out");
return decr;
}
/* callback to feed audiooutput buffer */
static OSStatus audioDeviceIOProc(
@@ -428,11 +438,19 @@ static OSStatus audioDeviceIOProc(
const AudioTimeStamp* inOutputTime,
void* hwptr)
{
UInt32 frameCount, pending_frames;
void *out = outOutputData->mBuffers[0].mData;
UInt32 frame, frameCount;
float *out = outOutputData->mBuffers[0].mData;
HWVoiceOut *hw = hwptr;
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hwptr;
size_t len;
int rpos, live;
struct st_sample *src;
#ifndef FLOAT_MIXENG
#ifdef RECIPROCAL
const float scale = 1.f / UINT_MAX;
#else
const float scale = UINT_MAX;
#endif
#endif
if (coreaudio_lock (core, "audioDeviceIOProc")) {
inInputTime = 0;
@@ -440,49 +458,45 @@ static OSStatus audioDeviceIOProc(
}
frameCount = core->audioDevicePropertyBufferFrameSize;
pending_frames = hw->pending_emul / hw->info.bytes_per_frame;
live = core->live;
/* if there are not enough samples, set signal and return */
if (pending_frames < frameCount) {
if (live < frameCount) {
inInputTime = 0;
coreaudio_unlock (core, "audioDeviceIOProc(empty)");
return 0;
}
len = frameCount * hw->info.bytes_per_frame;
while (len) {
size_t write_len;
ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul;
if (start < 0) {
start += hw->size_emul;
}
assert(start >= 0 && start < hw->size_emul);
rpos = core->rpos;
src = hw->mix_buf + rpos;
write_len = MIN(MIN(hw->pending_emul, len),
hw->size_emul - start);
memcpy(out, hw->buf_emul + start, write_len);
hw->pending_emul -= write_len;
len -= write_len;
out += write_len;
/* fill buffer */
for (frame = 0; frame < frameCount; frame++) {
#ifdef FLOAT_MIXENG
*out++ = src[frame].l; /* left channel */
*out++ = src[frame].r; /* right channel */
#else
#ifdef RECIPROCAL
*out++ = src[frame].l * scale; /* left channel */
*out++ = src[frame].r * scale; /* right channel */
#else
*out++ = src[frame].l / scale; /* left channel */
*out++ = src[frame].r / scale; /* right channel */
#endif
#endif
}
rpos = (rpos + frameCount) % hw->samples;
core->decr += frameCount;
core->rpos = rpos;
coreaudio_unlock (core, "audioDeviceIOProc");
return 0;
}
static UInt32 coreaudio_get_flags(struct audio_pcm_info *info,
struct audsettings *as)
static int coreaudio_write (SWVoiceOut *sw, void *buf, int len)
{
UInt32 flags = info->sign ? kAudioFormatFlagIsSignedInteger : 0;
if (as->endianness) { /* 0 = little, 1 = big */
flags |= kAudioFormatFlagIsBigEndian;
}
if (flags == 0) { /* must not be 0 */
flags = kAudioFormatFlagsAreAllClear;
}
return flags;
return audio_pcm_sw_write (sw, buf, len);
}
static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
@@ -493,9 +507,7 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
int err;
const char *typ = "playback";
AudioValueRange frameRange;
Audiodev *dev = drv_opaque;
AudiodevCoreaudioPerDirectionOptions *cpdo = dev->u.coreaudio.out;
int frames;
CoreaudioConf *conf = drv_opaque;
/* create mutex */
err = pthread_mutex_init(&core->mutex, NULL);
@@ -526,17 +538,16 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
return -1;
}
frames = audio_buffer_frames(
qapi_AudiodevCoreaudioPerDirectionOptions_base(cpdo), as, 11610);
if (frameRange.mMinimum > frames) {
if (frameRange.mMinimum > conf->buffer_frames) {
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum;
dolog ("warning: Upsizing Buffer Frames to %f\n", frameRange.mMinimum);
} else if (frameRange.mMaximum < frames) {
}
else if (frameRange.mMaximum < conf->buffer_frames) {
core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum;
dolog ("warning: Downsizing Buffer Frames to %f\n", frameRange.mMaximum);
}
else {
core->audioDevicePropertyBufferFrameSize = frames;
core->audioDevicePropertyBufferFrameSize = conf->buffer_frames;
}
/* set Buffer Frame Size */
@@ -557,8 +568,7 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
"Could not get device buffer frame size\n");
return -1;
}
hw->samples = (cpdo->has_buffer_count ? cpdo->buffer_count : 4) *
core->audioDevicePropertyBufferFrameSize;
hw->samples = conf->nbuffers * core->audioDevicePropertyBufferFrameSize;
/* get StreamFormat */
status = coreaudio_get_streamformat(core->outputDeviceID,
@@ -572,16 +582,6 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
/* set Samplerate */
core->outputStreamBasicDescription.mSampleRate = (Float64) as->freq;
core->outputStreamBasicDescription.mFormatID = kAudioFormatLinearPCM;
core->outputStreamBasicDescription.mFormatFlags =
coreaudio_get_flags(&hw->info, as);
core->outputStreamBasicDescription.mBytesPerPacket =
core->outputStreamBasicDescription.mBytesPerFrame =
hw->info.nchannels * hw->info.bits / 8;
core->outputStreamBasicDescription.mFramesPerPacket = 1;
core->outputStreamBasicDescription.mChannelsPerFrame = hw->info.nchannels;
core->outputStreamBasicDescription.mBitsPerChannel = hw->info.bits;
status = coreaudio_set_streamformat(core->outputDeviceID,
&core->outputStreamBasicDescription);
if (status != kAudioHardwareNoError) {
@@ -648,12 +648,13 @@ static void coreaudio_fini_out (HWVoiceOut *hw)
}
}
static void coreaudio_enable_out(HWVoiceOut *hw, bool enable)
static int coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
OSStatus status;
coreaudioVoiceOut *core = (coreaudioVoiceOut *) hw;
if (enable) {
switch (cmd) {
case VOICE_ENABLE:
/* start playback */
if (!isPlaying(core->outputDeviceID)) {
status = AudioDeviceStart(core->outputDeviceID, core->ioprocid);
@@ -661,7 +662,9 @@ static void coreaudio_enable_out(HWVoiceOut *hw, bool enable)
coreaudio_logerr (status, "Could not resume playback\n");
}
}
} else {
break;
case VOICE_DISABLE:
/* stop playback */
if (!audio_is_cleaning_up()) {
if (isPlaying(core->outputDeviceID)) {
@@ -672,30 +675,57 @@ static void coreaudio_enable_out(HWVoiceOut *hw, bool enable)
}
}
}
break;
}
return 0;
}
static void *coreaudio_audio_init(Audiodev *dev)
static CoreaudioConf glob_conf = {
.buffer_frames = 512,
.nbuffers = 4,
};
static void *coreaudio_audio_init (void)
{
return dev;
CoreaudioConf *conf = g_malloc(sizeof(CoreaudioConf));
*conf = glob_conf;
return conf;
}
static void coreaudio_audio_fini (void *opaque)
{
g_free(opaque);
}
static struct audio_option coreaudio_options[] = {
{
.name = "BUFFER_SIZE",
.tag = AUD_OPT_INT,
.valp = &glob_conf.buffer_frames,
.descr = "Size of the buffer in frames"
},
{
.name = "BUFFER_COUNT",
.tag = AUD_OPT_INT,
.valp = &glob_conf.nbuffers,
.descr = "Number of buffers"
},
{ /* End of list */ }
};
static struct audio_pcm_ops coreaudio_pcm_ops = {
.init_out = coreaudio_init_out,
.fini_out = coreaudio_fini_out,
.run_out = coreaudio_run_out,
.write = coreaudio_write,
.get_buffer_out = coreaudio_get_buffer_out,
.put_buffer_out = coreaudio_put_buffer_out_nowrite,
.enable_out = coreaudio_enable_out
.ctl_out = coreaudio_ctl_out
};
static struct audio_driver coreaudio_audio_driver = {
.name = "coreaudio",
.descr = "CoreAudio http://developer.apple.com/audio/coreaudio.html",
.options = coreaudio_options,
.init = coreaudio_audio_init,
.fini = coreaudio_audio_fini,
.pcm_ops = &coreaudio_pcm_ops,
+29 -30
View File
@@ -29,8 +29,6 @@
#define BUFPTR LPDIRECTSOUNDCAPTUREBUFFER
#define FIELD dsound_capture_buffer
#define FIELD2 dsound_capture
#define HWVOICE HWVoiceIn
#define DSOUNDVOICE DSoundVoiceIn
#else
#define NAME "playback buffer"
#define NAME2 "DirectSound"
@@ -39,8 +37,6 @@
#define BUFPTR LPDIRECTSOUNDBUFFER
#define FIELD dsound_buffer
#define FIELD2 dsound
#define HWVOICE HWVoiceOut
#define DSOUNDVOICE DSoundVoiceOut
#endif
static int glue (dsound_unlock_, TYPE) (
@@ -76,6 +72,8 @@ static int glue (dsound_lock_, TYPE) (
)
{
HRESULT hr;
LPVOID p1 = NULL, p2 = NULL;
DWORD blen1 = 0, blen2 = 0;
DWORD flag;
#ifdef DSBTYPE_IN
@@ -83,7 +81,7 @@ static int glue (dsound_lock_, TYPE) (
#else
flag = entire ? DSBLOCK_ENTIREBUFFER : 0;
#endif
hr = glue(IFACE, _Lock)(buf, pos, len, p1p, blen1p, p2p, blen2p, flag);
hr = glue(IFACE, _Lock)(buf, pos, len, &p1, &blen1, &p2, &blen2, flag);
if (FAILED (hr)) {
#ifndef DSBTYPE_IN
@@ -98,34 +96,34 @@ static int glue (dsound_lock_, TYPE) (
goto fail;
}
if ((p1p && *p1p && (*blen1p % info->bytes_per_frame)) ||
(p2p && *p2p && (*blen2p % info->bytes_per_frame))) {
dolog("DirectSound returned misaligned buffer %ld %ld\n",
*blen1p, *blen2p);
glue(dsound_unlock_, TYPE)(buf, *p1p, p2p ? *p2p : NULL, *blen1p,
blen2p ? *blen2p : 0);
if ((p1 && (blen1 & info->align)) || (p2 && (blen2 & info->align))) {
dolog ("DirectSound returned misaligned buffer %ld %ld\n",
blen1, blen2);
glue (dsound_unlock_, TYPE) (buf, p1, p2, blen1, blen2);
goto fail;
}
if (p1p && !*p1p && *blen1p) {
dolog("warning: !p1 && blen1=%ld\n", *blen1p);
*blen1p = 0;
if (!p1 && blen1) {
dolog ("warning: !p1 && blen1=%ld\n", blen1);
blen1 = 0;
}
if (p2p && !*p2p && *blen2p) {
dolog("warning: !p2 && blen2=%ld\n", *blen2p);
*blen2p = 0;
if (!p2 && blen2) {
dolog ("warning: !p2 && blen2=%ld\n", blen2);
blen2 = 0;
}
*p1p = p1;
*p2p = p2;
*blen1p = blen1;
*blen2p = blen2;
return 0;
fail:
*p1p = NULL - 1;
*p2p = NULL - 1;
*blen1p = -1;
if (p2p) {
*p2p = NULL - 1;
*blen2p = -1;
}
*blen2p = -1;
return -1;
}
@@ -169,18 +167,17 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
dsound *s = drv_opaque;
WAVEFORMATEX wfx;
struct audsettings obt_as;
DSoundConf *conf = &s->conf;
#ifdef DSBTYPE_IN
const char *typ = "ADC";
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
DSCBUFFERDESC bd;
DSCBCAPS bc;
AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.in;
#else
const char *typ = "DAC";
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
DSBUFFERDESC bd;
DSBCAPS bc;
AudiodevPerDirectionOptions *pdo = s->dev->u.dsound.out;
#endif
if (!s->FIELD2) {
@@ -196,8 +193,8 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
memset (&bd, 0, sizeof (bd));
bd.dwSize = sizeof (bd);
bd.lpwfxFormat = &wfx;
bd.dwBufferBytes = audio_buffer_bytes(pdo, as, 92880);
#ifdef DSBTYPE_IN
bd.dwBufferBytes = conf->bufsize_in;
hr = IDirectSoundCapture_CreateCaptureBuffer (
s->dsound_capture,
&bd,
@@ -206,6 +203,7 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
);
#else
bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
bd.dwBufferBytes = conf->bufsize_out;
hr = IDirectSound_CreateSoundBuffer (
s->dsound,
&bd,
@@ -244,22 +242,25 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
goto fail0;
}
ds->first_time = 1;
obt_as.endianness = 0;
audio_pcm_init_info (&hw->info, &obt_as);
if (bc.dwBufferBytes % hw->info.bytes_per_frame) {
if (bc.dwBufferBytes & hw->info.align) {
dolog (
"GetCaps returned misaligned buffer size %ld, alignment %d\n",
bc.dwBufferBytes, hw->info.bytes_per_frame
bc.dwBufferBytes, hw->info.align + 1
);
}
hw->size_emul = bc.dwBufferBytes;
hw->samples = bc.dwBufferBytes / hw->info.bytes_per_frame;
hw->samples = bc.dwBufferBytes >> hw->info.shift;
ds->s = s;
#ifdef DEBUG_DSOUND
dolog ("caps %ld, desc %ld\n",
bc.dwBufferBytes, bd.dwBufferBytes);
dolog ("bufsize %d, freq %d, chan %d, fmt %d\n",
hw->bufsize, settings.freq, settings.nchannels, settings.fmt);
#endif
return 0;
@@ -275,5 +276,3 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
#undef BUFPTR
#undef FIELD
#undef FIELD2
#undef HWVOICE
#undef DSOUNDVOICE
+334 -117
View File
@@ -27,12 +27,11 @@
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "audio.h"
#define AUDIO_CAP "dsound"
#include "audio_int.h"
#include "qemu/host-utils.h"
#include "qemu/module.h"
#include <windows.h>
#include <mmsystem.h>
@@ -43,21 +42,35 @@
/* #define DEBUG_DSOUND */
typedef struct {
int bufsize_in;
int bufsize_out;
int latency_millis;
} DSoundConf;
typedef struct {
LPDIRECTSOUND dsound;
LPDIRECTSOUNDCAPTURE dsound_capture;
struct audsettings settings;
Audiodev *dev;
DSoundConf conf;
} dsound;
typedef struct {
HWVoiceOut hw;
LPDIRECTSOUNDBUFFER dsound_buffer;
DWORD old_pos;
int first_time;
dsound *s;
#ifdef DEBUG_DSOUND
DWORD old_ppos;
DWORD played;
DWORD mixed;
#endif
} DSoundVoiceOut;
typedef struct {
HWVoiceIn hw;
int first_time;
LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
dsound *s;
} DSoundVoiceIn;
@@ -235,6 +248,11 @@ static void GCC_FMT_ATTR (3, 4) dsound_logerr2 (
dsound_log_hresult (hr);
}
static DWORD millis_to_bytes (struct audio_pcm_info *info, DWORD millis)
{
return (millis * info->bytes_per_second) / 1000;
}
#ifdef DEBUG_DSOUND
static void print_wave_format (WAVEFORMATEX *wfx)
{
@@ -299,6 +317,33 @@ static int dsound_get_status_in (LPDIRECTSOUNDCAPTUREBUFFER dscb,
return 0;
}
static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)
{
int src_len1 = dst_len;
int src_len2 = 0;
int pos = hw->rpos + dst_len;
struct st_sample *src1 = hw->mix_buf + hw->rpos;
struct st_sample *src2 = NULL;
if (pos > hw->samples) {
src_len1 = hw->samples - hw->rpos;
src2 = hw->mix_buf;
src_len2 = dst_len - src_len1;
pos = src_len2;
}
if (src_len1) {
hw->clip (dst, src1, src_len1);
}
if (src_len2) {
dst = advance (dst, src_len1 << hw->info.shift);
hw->clip (dst, src2, src_len2);
}
hw->rpos = pos % hw->samples;
}
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
dsound *s)
{
@@ -310,7 +355,7 @@ static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
dsb,
&hw->info,
0,
hw->size_emul,
hw->samples << hw->info.shift,
&p1, &p2,
&blen1, &blen2,
1,
@@ -320,8 +365,8 @@ static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
return;
}
len1 = blen1 / hw->info.bytes_per_frame;
len2 = blen2 / hw->info.bytes_per_frame;
len1 = blen1 >> hw->info.shift;
len2 = blen2 >> hw->info.shift;
#ifdef DEBUG_DSOUND
dolog ("clear %p,%ld,%ld %p,%ld,%ld\n",
@@ -361,7 +406,7 @@ static int dsound_open (dsound *s)
return 0;
}
static void dsound_enable_out(HWVoiceOut *hw, bool enable)
static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
HRESULT hr;
DWORD status;
@@ -371,17 +416,18 @@ static void dsound_enable_out(HWVoiceOut *hw, bool enable)
if (!dsb) {
dolog ("Attempt to control voice without a buffer\n");
return;
return 0;
}
if (enable) {
switch (cmd) {
case VOICE_ENABLE:
if (dsound_get_status_out (dsb, &status, s)) {
return;
return -1;
}
if (status & DSBSTATUS_PLAYING) {
dolog ("warning: Voice is already playing\n");
return;
return 0;
}
dsound_clear_sample (hw, dsb, s);
@@ -389,74 +435,170 @@ static void dsound_enable_out(HWVoiceOut *hw, bool enable)
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not start playing buffer\n");
return;
return -1;
}
} else {
break;
case VOICE_DISABLE:
if (dsound_get_status_out (dsb, &status, s)) {
return;
return -1;
}
if (status & DSBSTATUS_PLAYING) {
hr = IDirectSoundBuffer_Stop (dsb);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not stop playing buffer\n");
return;
return -1;
}
}
else {
dolog ("warning: Voice is not playing\n");
}
break;
}
return 0;
}
static void *dsound_get_buffer_out(HWVoiceOut *hw, size_t *size)
static int dsound_write (SWVoiceOut *sw, void *buf, int len)
{
return audio_pcm_sw_write (sw, buf, len);
}
static int dsound_run_out (HWVoiceOut *hw, int live)
{
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
HRESULT hr;
DWORD ppos, act_size;
size_t req_size;
int err;
void *ret;
hr = IDirectSoundBuffer_GetCurrentPosition(dsb, &ppos, NULL);
if (FAILED(hr)) {
dsound_logerr(hr, "Could not get playback buffer position\n");
*size = 0;
return NULL;
}
req_size = audio_ring_dist(ppos, hw->pos_emul, hw->size_emul);
req_size = MIN(req_size, hw->size_emul - hw->pos_emul);
err = dsound_lock_out(dsb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
&act_size, NULL, false, ds->s);
if (err) {
dolog("Failed to lock buffer\n");
*size = 0;
return NULL;
}
*size = act_size;
return ret;
}
static size_t dsound_put_buffer_out(HWVoiceOut *hw, void *buf, size_t len)
{
HRESULT hr;
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
int err = dsound_unlock_out(dsb, buf, NULL, len, 0);
int len, hwshift;
DWORD blen1, blen2;
DWORD len1, len2;
DWORD decr;
DWORD wpos, ppos, old_pos;
LPVOID p1, p2;
int bufsize;
dsound *s = ds->s;
DSoundConf *conf = &s->conf;
if (err) {
dolog("Failed to unlock buffer!!\n");
if (!dsb) {
dolog ("Attempt to run empty with playback buffer\n");
return 0;
}
hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
return len;
hwshift = hw->info.shift;
bufsize = hw->samples << hwshift;
hr = IDirectSoundBuffer_GetCurrentPosition (
dsb,
&ppos,
ds->first_time ? &wpos : NULL
);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not get playback buffer position\n");
return 0;
}
len = live << hwshift;
if (ds->first_time) {
if (conf->latency_millis) {
DWORD cur_blat;
cur_blat = audio_ring_dist (wpos, ppos, bufsize);
ds->first_time = 0;
old_pos = wpos;
old_pos +=
millis_to_bytes (&hw->info, conf->latency_millis) - cur_blat;
old_pos %= bufsize;
old_pos &= ~hw->info.align;
}
else {
old_pos = wpos;
}
#ifdef DEBUG_DSOUND
ds->played = 0;
ds->mixed = 0;
#endif
}
else {
if (ds->old_pos == ppos) {
#ifdef DEBUG_DSOUND
dolog ("old_pos == ppos\n");
#endif
return 0;
}
#ifdef DEBUG_DSOUND
ds->played += audio_ring_dist (ds->old_pos, ppos, hw->bufsize);
#endif
old_pos = ds->old_pos;
}
if ((old_pos < ppos) && ((old_pos + len) > ppos)) {
len = ppos - old_pos;
}
else {
if ((old_pos > ppos) && ((old_pos + len) > (ppos + bufsize))) {
len = bufsize - old_pos + ppos;
}
}
if (audio_bug(__func__, len < 0 || len > bufsize)) {
dolog ("len=%d bufsize=%d old_pos=%ld ppos=%ld\n",
len, bufsize, old_pos, ppos);
return 0;
}
len &= ~hw->info.align;
if (!len) {
return 0;
}
#ifdef DEBUG_DSOUND
ds->old_ppos = ppos;
#endif
err = dsound_lock_out (
dsb,
&hw->info,
old_pos,
len,
&p1, &p2,
&blen1, &blen2,
0,
s
);
if (err) {
return 0;
}
len1 = blen1 >> hwshift;
len2 = blen2 >> hwshift;
decr = len1 + len2;
if (p1 && len1) {
dsound_write_sample (hw, p1, len1);
}
if (p2 && len2) {
dsound_write_sample (hw, p2, len2);
}
dsound_unlock_out (dsb, p1, p2, blen1, blen2);
ds->old_pos = (old_pos + (decr << hwshift)) % bufsize;
#ifdef DEBUG_DSOUND
ds->mixed += decr << hwshift;
dolog ("played %lu mixed %lu diff %ld sec %f\n",
ds->played,
ds->mixed,
ds->mixed - ds->played,
abs (ds->mixed - ds->played) / (double) hw->info.bytes_per_second);
#endif
return decr;
}
static void dsound_enable_in(HWVoiceIn *hw, bool enable)
static int dsound_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
HRESULT hr;
DWORD status;
@@ -465,17 +607,18 @@ static void dsound_enable_in(HWVoiceIn *hw, bool enable)
if (!dscb) {
dolog ("Attempt to control capture voice without a buffer\n");
return;
return -1;
}
if (enable) {
switch (cmd) {
case VOICE_ENABLE:
if (dsound_get_status_in (dscb, &status)) {
return;
return -1;
}
if (status & DSCBSTATUS_CAPTURING) {
dolog ("warning: Voice is already capturing\n");
return;
return 0;
}
/* clear ?? */
@@ -483,71 +626,133 @@ static void dsound_enable_in(HWVoiceIn *hw, bool enable)
hr = IDirectSoundCaptureBuffer_Start (dscb, DSCBSTART_LOOPING);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not start capturing\n");
return;
return -1;
}
} else {
break;
case VOICE_DISABLE:
if (dsound_get_status_in (dscb, &status)) {
return;
return -1;
}
if (status & DSCBSTATUS_CAPTURING) {
hr = IDirectSoundCaptureBuffer_Stop (dscb);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not stop capturing\n");
return;
return -1;
}
}
else {
dolog ("warning: Voice is not capturing\n");
}
break;
}
return 0;
}
static void *dsound_get_buffer_in(HWVoiceIn *hw, size_t *size)
static int dsound_read (SWVoiceIn *sw, void *buf, int len)
{
return audio_pcm_sw_read (sw, buf, len);
}
static int dsound_run_in (HWVoiceIn *hw)
{
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
HRESULT hr;
DWORD cpos, act_size;
size_t req_size;
int err;
void *ret;
hr = IDirectSoundCaptureBuffer_GetCurrentPosition(dscb, &cpos, NULL);
if (FAILED(hr)) {
dsound_logerr(hr, "Could not get capture buffer position\n");
*size = 0;
return NULL;
}
req_size = audio_ring_dist(cpos, hw->pos_emul, hw->size_emul);
req_size = MIN(req_size, hw->size_emul - hw->pos_emul);
err = dsound_lock_in(dscb, &hw->info, hw->pos_emul, req_size, &ret, NULL,
&act_size, NULL, false, ds->s);
if (err) {
dolog("Failed to lock buffer\n");
*size = 0;
return NULL;
}
*size = act_size;
return ret;
}
static void dsound_put_buffer_in(HWVoiceIn *hw, void *buf, size_t len)
{
HRESULT hr;
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
LPDIRECTSOUNDCAPTUREBUFFER dscb = ds->dsound_capture_buffer;
int err = dsound_unlock_in(dscb, buf, NULL, len, 0);
int live, len, dead;
DWORD blen1, blen2;
DWORD len1, len2;
DWORD decr;
DWORD cpos, rpos;
LPVOID p1, p2;
int hwshift;
dsound *s = ds->s;
if (err) {
dolog("Failed to unlock buffer!!\n");
return;
if (!dscb) {
dolog ("Attempt to run without capture buffer\n");
return 0;
}
hw->pos_emul = (hw->pos_emul + len) % hw->size_emul;
hwshift = hw->info.shift;
live = audio_pcm_hw_get_live_in (hw);
dead = hw->samples - live;
if (!dead) {
return 0;
}
hr = IDirectSoundCaptureBuffer_GetCurrentPosition (
dscb,
&cpos,
ds->first_time ? &rpos : NULL
);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not get capture buffer position\n");
return 0;
}
if (ds->first_time) {
ds->first_time = 0;
if (rpos & hw->info.align) {
ldebug ("warning: Misaligned capture read position %ld(%d)\n",
rpos, hw->info.align);
}
hw->wpos = rpos >> hwshift;
}
if (cpos & hw->info.align) {
ldebug ("warning: Misaligned capture position %ld(%d)\n",
cpos, hw->info.align);
}
cpos >>= hwshift;
len = audio_ring_dist (cpos, hw->wpos, hw->samples);
if (!len) {
return 0;
}
len = audio_MIN (len, dead);
err = dsound_lock_in (
dscb,
&hw->info,
hw->wpos << hwshift,
len << hwshift,
&p1,
&p2,
&blen1,
&blen2,
0,
s
);
if (err) {
return 0;
}
len1 = blen1 >> hwshift;
len2 = blen2 >> hwshift;
decr = len1 + len2;
if (p1 && len1) {
hw->conv (hw->conv_buf + hw->wpos, p1, len1);
}
if (p2 && len2) {
hw->conv (hw->conv_buf, p2, len2);
}
dsound_unlock_in (dscb, p1, p2, blen1, blen2);
hw->wpos = (hw->wpos + decr) % hw->samples;
return decr;
}
static DSoundConf glob_conf = {
.bufsize_in = 16384,
.bufsize_out = 16384,
.latency_millis = 10
};
static void dsound_audio_fini (void *opaque)
{
HRESULT hr;
@@ -578,22 +783,13 @@ static void dsound_audio_fini (void *opaque)
g_free(s);
}
static void *dsound_audio_init(Audiodev *dev)
static void *dsound_audio_init (void)
{
int err;
HRESULT hr;
dsound *s = g_malloc0(sizeof(dsound));
AudiodevDsoundOptions *dso;
assert(dev->driver == AUDIODEV_DRIVER_DSOUND);
s->dev = dev;
dso = &dev->u.dsound;
if (!dso->has_latency) {
dso->has_latency = true;
dso->latency = 10000; /* 10 ms */
}
s->conf = glob_conf;
hr = CoInitialize (NULL);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not initialize COM\n");
@@ -658,25 +854,46 @@ static void *dsound_audio_init(Audiodev *dev)
return s;
}
static struct audio_option dsound_options[] = {
{
.name = "LATENCY_MILLIS",
.tag = AUD_OPT_INT,
.valp = &glob_conf.latency_millis,
.descr = "(undocumented)"
},
{
.name = "BUFSIZE_OUT",
.tag = AUD_OPT_INT,
.valp = &glob_conf.bufsize_out,
.descr = "(undocumented)"
},
{
.name = "BUFSIZE_IN",
.tag = AUD_OPT_INT,
.valp = &glob_conf.bufsize_in,
.descr = "(undocumented)"
},
{ /* End of list */ }
};
static struct audio_pcm_ops dsound_pcm_ops = {
.init_out = dsound_init_out,
.fini_out = dsound_fini_out,
.write = audio_generic_write,
.get_buffer_out = dsound_get_buffer_out,
.put_buffer_out = dsound_put_buffer_out,
.enable_out = dsound_enable_out,
.run_out = dsound_run_out,
.write = dsound_write,
.ctl_out = dsound_ctl_out,
.init_in = dsound_init_in,
.fini_in = dsound_fini_in,
.read = audio_generic_read,
.get_buffer_in = dsound_get_buffer_in,
.put_buffer_in = dsound_put_buffer_in,
.enable_in = dsound_enable_in,
.run_in = dsound_run_in,
.read = dsound_read,
.ctl_in = dsound_ctl_in
};
static struct audio_driver dsound_audio_driver = {
.name = "dsound",
.descr = "DirectSound http://wikipedia.org/wiki/DirectSound",
.options = dsound_options,
.init = dsound_audio_init,
.fini = dsound_audio_fini,
.pcm_ops = &dsound_pcm_ops,
+1
View File
@@ -23,6 +23,7 @@
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/bswap.h"
#include "qemu/error-report.h"
#include "audio.h"
+4 -5
View File
@@ -33,7 +33,6 @@ struct st_sample { mixeng_real l; mixeng_real r; };
struct mixeng_volume { int mute; int64_t r; int64_t l; };
struct st_sample { int64_t l; int64_t r; };
#endif
typedef struct st_sample st_sample;
typedef void (t_sample) (struct st_sample *dst, const void *src, int samples);
typedef void (f_sample) (void *dst, const struct st_sample *src, int samples);
@@ -42,10 +41,10 @@ extern t_sample *mixeng_conv[2][2][2][3];
extern f_sample *mixeng_clip[2][2][2][3];
void *st_rate_start (int inrate, int outrate);
void st_rate_flow(void *opaque, st_sample *ibuf, st_sample *obuf,
size_t *isamp, size_t *osamp);
void st_rate_flow_mix(void *opaque, st_sample *ibuf, st_sample *obuf,
size_t *isamp, size_t *osamp);
void st_rate_flow (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
int *isamp, int *osamp);
void st_rate_flow_mix (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
int *isamp, int *osamp);
void st_rate_stop (void *opaque);
void mixeng_clear (struct st_sample *buf, int len);
void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol);
+67 -32
View File
@@ -21,10 +21,9 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/host-utils.h"
#include "qemu/module.h"
#include "audio.h"
#include "qemu/timer.h"
@@ -33,27 +32,43 @@
typedef struct NoVoiceOut {
HWVoiceOut hw;
RateCtl rate;
int64_t old_ticks;
} NoVoiceOut;
typedef struct NoVoiceIn {
HWVoiceIn hw;
RateCtl rate;
int64_t old_ticks;
} NoVoiceIn;
static size_t no_write(HWVoiceOut *hw, void *buf, size_t len)
static int no_run_out (HWVoiceOut *hw, int live)
{
NoVoiceOut *no = (NoVoiceOut *) hw;
return audio_rate_get_bytes(&hw->info, &no->rate, len);
int decr, samples;
int64_t now;
int64_t ticks;
int64_t bytes;
now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
ticks = now - no->old_ticks;
bytes = muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
bytes = audio_MIN(bytes, INT_MAX);
samples = bytes >> hw->info.shift;
no->old_ticks = now;
decr = audio_MIN (live, samples);
hw->rpos = (hw->rpos + decr) % hw->samples;
return decr;
}
static int no_write (SWVoiceOut *sw, void *buf, int len)
{
return audio_pcm_sw_write(sw, buf, len);
}
static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque)
{
NoVoiceOut *no = (NoVoiceOut *) hw;
audio_pcm_init_info (&hw->info, as);
hw->samples = 1024;
audio_rate_start(&no->rate);
return 0;
}
@@ -62,22 +77,17 @@ static void no_fini_out (HWVoiceOut *hw)
(void) hw;
}
static void no_enable_out(HWVoiceOut *hw, bool enable)
static int no_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
NoVoiceOut *no = (NoVoiceOut *) hw;
if (enable) {
audio_rate_start(&no->rate);
}
(void) hw;
(void) cmd;
return 0;
}
static int no_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
{
NoVoiceIn *no = (NoVoiceIn *) hw;
audio_pcm_init_info (&hw->info, as);
hw->samples = 1024;
audio_rate_start(&no->rate);
return 0;
}
@@ -86,25 +96,47 @@ static void no_fini_in (HWVoiceIn *hw)
(void) hw;
}
static size_t no_read(HWVoiceIn *hw, void *buf, size_t size)
static int no_run_in (HWVoiceIn *hw)
{
NoVoiceIn *no = (NoVoiceIn *) hw;
int64_t bytes = audio_rate_get_bytes(&hw->info, &no->rate, size);
int live = audio_pcm_hw_get_live_in (hw);
int dead = hw->samples - live;
int samples = 0;
audio_pcm_info_clear_buf(&hw->info, buf, bytes / hw->info.bytes_per_frame);
return bytes;
}
if (dead) {
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
int64_t ticks = now - no->old_ticks;
int64_t bytes =
muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
static void no_enable_in(HWVoiceIn *hw, bool enable)
{
NoVoiceIn *no = (NoVoiceIn *) hw;
if (enable) {
audio_rate_start(&no->rate);
no->old_ticks = now;
bytes = audio_MIN (bytes, INT_MAX);
samples = bytes >> hw->info.shift;
samples = audio_MIN (samples, dead);
}
return samples;
}
static void *no_audio_init(Audiodev *dev)
static int no_read (SWVoiceIn *sw, void *buf, int size)
{
/* use custom code here instead of audio_pcm_sw_read() to avoid
* useless resampling/mixing */
int samples = size >> sw->info.shift;
int total = sw->hw->total_samples_captured - sw->total_hw_samples_acquired;
int to_clear = audio_MIN (samples, total);
sw->total_hw_samples_acquired += total;
audio_pcm_info_clear_buf (&sw->info, buf, to_clear);
return to_clear << sw->info.shift;
}
static int no_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
(void) hw;
(void) cmd;
return 0;
}
static void *no_audio_init (void)
{
return &no_audio_init;
}
@@ -117,18 +149,21 @@ static void no_audio_fini (void *opaque)
static struct audio_pcm_ops no_pcm_ops = {
.init_out = no_init_out,
.fini_out = no_fini_out,
.run_out = no_run_out,
.write = no_write,
.enable_out = no_enable_out,
.ctl_out = no_ctl_out,
.init_in = no_init_in,
.fini_in = no_fini_in,
.run_in = no_run_in,
.read = no_read,
.enable_in = no_enable_in
.ctl_in = no_ctl_in
};
static struct audio_driver no_audio_driver = {
.name = "none",
.descr = "Timer based audio emulation",
.options = NULL,
.init = no_audio_init,
.fini = no_audio_fini,
.pcm_ops = &no_pcm_ops,
+381 -216
View File
@@ -21,12 +21,11 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include "qemu-common.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "qemu/host-utils.h"
#include "audio.h"
#include "trace.h"
@@ -38,26 +37,40 @@
#define USE_DSP_POLICY
#endif
typedef struct OSSConf {
int try_mmap;
int nfrags;
int fragsize;
const char *devpath_out;
const char *devpath_in;
int exclusive;
int policy;
} OSSConf;
typedef struct OSSVoiceOut {
HWVoiceOut hw;
void *pcm_buf;
int fd;
int wpos;
int nfrags;
int fragsize;
int mmapped;
Audiodev *dev;
int pending;
OSSConf *conf;
} OSSVoiceOut;
typedef struct OSSVoiceIn {
HWVoiceIn hw;
void *pcm_buf;
int fd;
int nfrags;
int fragsize;
Audiodev *dev;
OSSConf *conf;
} OSSVoiceIn;
struct oss_params {
int freq;
int fmt;
audfmt_e fmt;
int nchannels;
int nfrags;
int fragsize;
@@ -106,40 +119,45 @@ static void oss_anal_close (int *fdp)
static void oss_helper_poll_out (void *opaque)
{
AudioState *s = opaque;
audio_run(s, "oss_poll_out");
(void) opaque;
audio_run ("oss_poll_out");
}
static void oss_helper_poll_in (void *opaque)
{
AudioState *s = opaque;
audio_run(s, "oss_poll_in");
(void) opaque;
audio_run ("oss_poll_in");
}
static void oss_poll_out (HWVoiceOut *hw)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
qemu_set_fd_handler(oss->fd, NULL, oss_helper_poll_out, hw->s);
qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL);
}
static void oss_poll_in (HWVoiceIn *hw)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
qemu_set_fd_handler(oss->fd, oss_helper_poll_in, NULL, hw->s);
qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
}
static int aud_to_ossfmt (AudioFormat fmt, int endianness)
static int oss_write (SWVoiceOut *sw, void *buf, int len)
{
return audio_pcm_sw_write (sw, buf, len);
}
static int aud_to_ossfmt (audfmt_e fmt, int endianness)
{
switch (fmt) {
case AUDIO_FORMAT_S8:
case AUD_FMT_S8:
return AFMT_S8;
case AUDIO_FORMAT_U8:
case AUD_FMT_U8:
return AFMT_U8;
case AUDIO_FORMAT_S16:
case AUD_FMT_S16:
if (endianness) {
return AFMT_S16_BE;
}
@@ -147,7 +165,7 @@ static int aud_to_ossfmt (AudioFormat fmt, int endianness)
return AFMT_S16_LE;
}
case AUDIO_FORMAT_U16:
case AUD_FMT_U16:
if (endianness) {
return AFMT_U16_BE;
}
@@ -164,37 +182,37 @@ static int aud_to_ossfmt (AudioFormat fmt, int endianness)
}
}
static int oss_to_audfmt (int ossfmt, AudioFormat *fmt, int *endianness)
static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness)
{
switch (ossfmt) {
case AFMT_S8:
*endianness = 0;
*fmt = AUDIO_FORMAT_S8;
*fmt = AUD_FMT_S8;
break;
case AFMT_U8:
*endianness = 0;
*fmt = AUDIO_FORMAT_U8;
*fmt = AUD_FMT_U8;
break;
case AFMT_S16_LE:
*endianness = 0;
*fmt = AUDIO_FORMAT_S16;
*fmt = AUD_FMT_S16;
break;
case AFMT_U16_LE:
*endianness = 0;
*fmt = AUDIO_FORMAT_U16;
*fmt = AUD_FMT_U16;
break;
case AFMT_S16_BE:
*endianness = 1;
*fmt = AUDIO_FORMAT_S16;
*fmt = AUD_FMT_S16;
break;
case AFMT_U16_BE:
*endianness = 1;
*fmt = AUDIO_FORMAT_U16;
*fmt = AUD_FMT_U16;
break;
default:
@@ -244,25 +262,19 @@ static int oss_get_version (int fd, int *version, const char *typ)
}
#endif
static int oss_open(int in, struct oss_params *req, audsettings *as,
struct oss_params *obt, int *pfd, Audiodev *dev)
static int oss_open (int in, struct oss_params *req,
struct oss_params *obt, int *pfd, OSSConf* conf)
{
AudiodevOssOptions *oopts = &dev->u.oss;
AudiodevOssPerDirectionOptions *opdo = in ? oopts->in : oopts->out;
int fd;
int oflags = (oopts->has_exclusive && oopts->exclusive) ? O_EXCL : 0;
int oflags = conf->exclusive ? O_EXCL : 0;
audio_buf_info abinfo;
int fmt, freq, nchannels;
int setfragment = 1;
const char *dspname = opdo->has_dev ? opdo->dev : "/dev/dsp";
const char *dspname = in ? conf->devpath_in : conf->devpath_out;
const char *typ = in ? "ADC" : "DAC";
#ifdef USE_DSP_POLICY
int policy = oopts->has_dsp_policy ? oopts->dsp_policy : 5;
#endif
/* Kludge needed to have working mmap on Linux */
oflags |= (oopts->has_try_mmap && oopts->try_mmap) ?
O_RDWR : (in ? O_RDONLY : O_WRONLY);
oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
fd = open (dspname, oflags | O_NONBLOCK);
if (-1 == fd) {
@@ -273,9 +285,6 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,
freq = req->freq;
nchannels = req->nchannels;
fmt = req->fmt;
req->nfrags = opdo->has_buffer_count ? opdo->buffer_count : 4;
req->fragsize = audio_buffer_bytes(
qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220);
if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {
oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt);
@@ -299,18 +308,18 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,
}
#ifdef USE_DSP_POLICY
if (policy >= 0) {
if (conf->policy >= 0) {
int version;
if (!oss_get_version (fd, &version, typ)) {
trace_oss_version(version);
if (version >= 0x040000) {
int policy2 = policy;
if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) {
int policy = conf->policy;
if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
oss_logerr2 (errno, typ,
"Failed to set timing policy to %d\n",
policy);
conf->policy);
goto err;
}
setfragment = 0;
@@ -367,87 +376,97 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,
return -1;
}
static size_t oss_get_available_bytes(OSSVoiceOut *oss)
static void oss_write_pending (OSSVoiceOut *oss)
{
int err;
struct count_info cntinfo;
assert(oss->mmapped);
err = ioctl(oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);
if (err < 0) {
oss_logerr(errno, "SNDCTL_DSP_GETOPTR failed\n");
return 0;
}
return audio_ring_dist(cntinfo.ptr, oss->hw.pos_emul, oss->hw.size_emul);
}
static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
if (oss->mmapped) {
*size = MIN(oss_get_available_bytes(oss), hw->size_emul - hw->pos_emul);
return hw->buf_emul + hw->pos_emul;
} else {
return audio_generic_get_buffer_out(hw, size);
}
}
static size_t oss_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
if (oss->mmapped) {
assert(buf == hw->buf_emul + hw->pos_emul && size < hw->size_emul);
hw->pos_emul = (hw->pos_emul + size) % hw->size_emul;
return size;
} else {
return audio_generic_put_buffer_out(hw, buf, size);
}
}
static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
size_t pos;
HWVoiceOut *hw = &oss->hw;
if (oss->mmapped) {
size_t total_len;
len = MIN(len, oss_get_available_bytes(oss));
total_len = len;
while (len) {
size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul);
memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy);
hw->pos_emul = (hw->pos_emul + to_copy) % hw->pos_emul;
buf += to_copy;
len -= to_copy;
}
return total_len;
return;
}
pos = 0;
while (len) {
while (oss->pending) {
int samples_written;
ssize_t bytes_written;
void *pcm = advance(buf, pos);
int samples_till_end = hw->samples - oss->wpos;
int samples_to_write = audio_MIN (oss->pending, samples_till_end);
int bytes_to_write = samples_to_write << hw->info.shift;
void *pcm = advance (oss->pcm_buf, oss->wpos << hw->info.shift);
bytes_written = write(oss->fd, pcm, len);
bytes_written = write (oss->fd, pcm, bytes_to_write);
if (bytes_written < 0) {
if (errno != EAGAIN) {
oss_logerr(errno, "failed to write %zu bytes\n",
len);
oss_logerr (errno, "failed to write %d bytes\n",
bytes_to_write);
}
return pos;
}
pos += bytes_written;
if (bytes_written < len) {
break;
}
len -= bytes_written;
if (bytes_written & hw->info.align) {
dolog ("misaligned write asked for %d, but got %zd\n",
bytes_to_write, bytes_written);
return;
}
samples_written = bytes_written >> hw->info.shift;
oss->pending -= samples_written;
oss->wpos = (oss->wpos + samples_written) % hw->samples;
if (bytes_written - bytes_to_write) {
break;
}
}
return pos;
}
static int oss_run_out (HWVoiceOut *hw, int live)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
int err, decr;
struct audio_buf_info abinfo;
struct count_info cntinfo;
int bufsize;
bufsize = hw->samples << hw->info.shift;
if (oss->mmapped) {
int bytes, pos;
err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);
if (err < 0) {
oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
return 0;
}
pos = hw->rpos << hw->info.shift;
bytes = audio_ring_dist (cntinfo.ptr, pos, bufsize);
decr = audio_MIN (bytes >> hw->info.shift, live);
}
else {
err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo);
if (err < 0) {
oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
return 0;
}
if (abinfo.bytes > bufsize) {
trace_oss_invalid_available_size(abinfo.bytes, bufsize);
abinfo.bytes = bufsize;
}
if (abinfo.bytes < 0) {
trace_oss_invalid_available_size(abinfo.bytes, bufsize);
return 0;
}
decr = audio_MIN (abinfo.bytes >> hw->info.shift, live);
if (!decr) {
return 0;
}
}
decr = audio_pcm_hw_clip_out (hw, oss->pcm_buf, decr, oss->pending);
oss->pending += decr;
oss_write_pending (oss);
return decr;
}
static void oss_fini_out (HWVoiceOut *hw)
@@ -458,13 +477,18 @@ static void oss_fini_out (HWVoiceOut *hw)
ldebug ("oss_fini\n");
oss_anal_close (&oss->fd);
if (oss->mmapped && hw->buf_emul) {
err = munmap(hw->buf_emul, hw->size_emul);
if (err) {
oss_logerr(errno, "Failed to unmap buffer %p, size %zu\n",
hw->buf_emul, hw->size_emul);
if (oss->pcm_buf) {
if (oss->mmapped) {
err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
if (err) {
oss_logerr (errno, "Failed to unmap buffer %p, size %d\n",
oss->pcm_buf, hw->samples << hw->info.shift);
}
}
hw->buf_emul = NULL;
else {
g_free (oss->pcm_buf);
}
oss->pcm_buf = NULL;
}
}
@@ -476,18 +500,19 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
int endianness;
int err;
int fd;
AudioFormat effective_fmt;
audfmt_e effective_fmt;
struct audsettings obt_as;
Audiodev *dev = drv_opaque;
AudiodevOssOptions *oopts = &dev->u.oss;
OSSConf *conf = drv_opaque;
oss->fd = -1;
req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
req.freq = as->freq;
req.nchannels = as->nchannels;
req.fragsize = conf->fragsize;
req.nfrags = conf->nfrags;
if (oss_open(0, &req, as, &obt, &fd, dev)) {
if (oss_open (0, &req, &obt, &fd, conf)) {
return -1;
}
@@ -506,29 +531,28 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
oss->nfrags = obt.nfrags;
oss->fragsize = obt.fragsize;
if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {
if (obt.nfrags * obt.fragsize & hw->info.align) {
dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n",
obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);
obt.nfrags * obt.fragsize, hw->info.align + 1);
}
hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;
hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
oss->mmapped = 0;
if (oopts->has_try_mmap && oopts->try_mmap) {
hw->size_emul = hw->samples * hw->info.bytes_per_frame;
hw->buf_emul = mmap(
if (conf->try_mmap) {
oss->pcm_buf = mmap (
NULL,
hw->size_emul,
hw->samples << hw->info.shift,
PROT_READ | PROT_WRITE,
MAP_SHARED,
fd,
0
);
if (hw->buf_emul == MAP_FAILED) {
oss_logerr(errno, "Failed to map %zu bytes of DAC\n",
hw->size_emul);
hw->buf_emul = NULL;
} else {
if (oss->pcm_buf == MAP_FAILED) {
oss_logerr (errno, "Failed to map %d bytes of DAC\n",
hw->samples << hw->info.shift);
}
else {
int err;
int trig = 0;
if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
@@ -548,65 +572,92 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
}
if (!oss->mmapped) {
err = munmap(hw->buf_emul, hw->size_emul);
err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
if (err) {
oss_logerr(errno, "Failed to unmap buffer %p size %zu\n",
hw->buf_emul, hw->size_emul);
oss_logerr (errno, "Failed to unmap buffer %p size %d\n",
oss->pcm_buf, hw->samples << hw->info.shift);
}
hw->buf_emul = NULL;
}
}
}
if (!oss->mmapped) {
oss->pcm_buf = audio_calloc(__func__,
hw->samples,
1 << hw->info.shift);
if (!oss->pcm_buf) {
dolog (
"Could not allocate DAC buffer (%d samples, each %d bytes)\n",
hw->samples,
1 << hw->info.shift
);
oss_anal_close (&fd);
return -1;
}
}
oss->fd = fd;
oss->dev = dev;
oss->conf = conf;
return 0;
}
static void oss_enable_out(HWVoiceOut *hw, bool enable)
static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
int trig;
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;
if (enable) {
bool poll_mode = opdo->try_poll;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
ldebug("enabling voice\n");
if (poll_mode) {
oss_poll_out(hw);
poll_mode = 0;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
ldebug ("enabling voice\n");
if (poll_mode) {
oss_poll_out (hw);
poll_mode = 0;
}
hw->poll_mode = poll_mode;
if (!oss->mmapped) {
return 0;
}
audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
trig = PCM_ENABLE_OUTPUT;
if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
oss_logerr (
errno,
"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
);
return -1;
}
}
hw->poll_mode = poll_mode;
break;
if (!oss->mmapped) {
return;
}
audio_pcm_info_clear_buf(&hw->info, hw->buf_emul, hw->mix_buf->size);
trig = PCM_ENABLE_OUTPUT;
if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
oss_logerr(errno,
"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n");
return;
}
} else {
case VOICE_DISABLE:
if (hw->poll_mode) {
qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
hw->poll_mode = 0;
}
if (!oss->mmapped) {
return;
return 0;
}
ldebug ("disabling voice\n");
trig = 0;
if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
return;
return -1;
}
break;
}
return 0;
}
static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
@@ -616,16 +667,18 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
int endianness;
int err;
int fd;
AudioFormat effective_fmt;
audfmt_e effective_fmt;
struct audsettings obt_as;
Audiodev *dev = drv_opaque;
OSSConf *conf = drv_opaque;
oss->fd = -1;
req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
req.freq = as->freq;
req.nchannels = as->nchannels;
if (oss_open(1, &req, as, &obt, &fd, dev)) {
req.fragsize = conf->fragsize;
req.nfrags = conf->nfrags;
if (oss_open (1, &req, &obt, &fd, conf)) {
return -1;
}
@@ -644,15 +697,22 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
oss->nfrags = obt.nfrags;
oss->fragsize = obt.fragsize;
if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {
if (obt.nfrags * obt.fragsize & hw->info.align) {
dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n",
obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);
obt.nfrags * obt.fragsize, hw->info.align + 1);
}
hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;
hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
oss->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift);
if (!oss->pcm_buf) {
dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
hw->samples, 1 << hw->info.shift);
oss_anal_close (&fd);
return -1;
}
oss->fd = fd;
oss->dev = dev;
oss->conf = conf;
return 0;
}
@@ -661,106 +721,211 @@ static void oss_fini_in (HWVoiceIn *hw)
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
oss_anal_close (&oss->fd);
g_free(oss->pcm_buf);
oss->pcm_buf = NULL;
}
static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len)
static int oss_run_in (HWVoiceIn *hw)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
size_t pos = 0;
int hwshift = hw->info.shift;
int i;
int live = audio_pcm_hw_get_live_in (hw);
int dead = hw->samples - live;
size_t read_samples = 0;
struct {
int add;
int len;
} bufs[2] = {
{ .add = hw->wpos, .len = 0 },
{ .add = 0, .len = 0 }
};
while (len) {
if (!dead) {
return 0;
}
if (hw->wpos + dead > hw->samples) {
bufs[0].len = (hw->samples - hw->wpos) << hwshift;
bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift;
}
else {
bufs[0].len = dead << hwshift;
}
for (i = 0; i < 2; ++i) {
ssize_t nread;
void *dst = advance(buf, pos);
nread = read(oss->fd, dst, len);
if (bufs[i].len) {
void *p = advance (oss->pcm_buf, bufs[i].add << hwshift);
nread = read (oss->fd, p, bufs[i].len);
if (nread == -1) {
switch (errno) {
case EINTR:
case EAGAIN:
break;
default:
oss_logerr(errno, "Failed to read %zu bytes of audio (to %p)\n",
len, dst);
if (nread > 0) {
if (nread & hw->info.align) {
dolog ("warning: Misaligned read %zd (requested %d), "
"alignment %d\n", nread, bufs[i].add << hwshift,
hw->info.align + 1);
}
read_samples += nread >> hwshift;
hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift);
}
if (bufs[i].len - nread) {
if (nread == -1) {
switch (errno) {
case EINTR:
case EAGAIN:
break;
default:
oss_logerr (
errno,
"Failed to read %d bytes of audio (to %p)\n",
bufs[i].len, p
);
break;
}
}
break;
}
}
pos += nread;
len -= nread;
}
return pos;
hw->wpos = (hw->wpos + read_samples) % hw->samples;
return read_samples;
}
static void oss_enable_in(HWVoiceIn *hw, bool enable)
static int oss_read (SWVoiceIn *sw, void *buf, int size)
{
return audio_pcm_sw_read (sw, buf, size);
}
static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;
if (enable) {
bool poll_mode = opdo->try_poll;
switch (cmd) {
case VOICE_ENABLE:
{
va_list ap;
int poll_mode;
if (poll_mode) {
oss_poll_in(hw);
poll_mode = 0;
va_start (ap, cmd);
poll_mode = va_arg (ap, int);
va_end (ap);
if (poll_mode) {
oss_poll_in (hw);
poll_mode = 0;
}
hw->poll_mode = poll_mode;
}
hw->poll_mode = poll_mode;
} else {
break;
case VOICE_DISABLE:
if (hw->poll_mode) {
hw->poll_mode = 0;
qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
}
break;
}
return 0;
}
static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo)
static OSSConf glob_conf = {
.try_mmap = 0,
.nfrags = 4,
.fragsize = 4096,
.devpath_out = "/dev/dsp",
.devpath_in = "/dev/dsp",
.exclusive = 0,
.policy = 5
};
static void *oss_audio_init (void)
{
if (!opdo->has_try_poll) {
opdo->try_poll = true;
opdo->has_try_poll = true;
}
}
OSSConf *conf = g_malloc(sizeof(OSSConf));
*conf = glob_conf;
static void *oss_audio_init(Audiodev *dev)
{
AudiodevOssOptions *oopts;
assert(dev->driver == AUDIODEV_DRIVER_OSS);
oopts = &dev->u.oss;
oss_init_per_direction(oopts->in);
oss_init_per_direction(oopts->out);
if (access(oopts->in->has_dev ? oopts->in->dev : "/dev/dsp",
R_OK | W_OK) < 0 ||
access(oopts->out->has_dev ? oopts->out->dev : "/dev/dsp",
R_OK | W_OK) < 0) {
if (access(conf->devpath_in, R_OK | W_OK) < 0 ||
access(conf->devpath_out, R_OK | W_OK) < 0) {
g_free(conf);
return NULL;
}
return dev;
return conf;
}
static void oss_audio_fini (void *opaque)
{
g_free(opaque);
}
static struct audio_option oss_options[] = {
{
.name = "FRAGSIZE",
.tag = AUD_OPT_INT,
.valp = &glob_conf.fragsize,
.descr = "Fragment size in bytes"
},
{
.name = "NFRAGS",
.tag = AUD_OPT_INT,
.valp = &glob_conf.nfrags,
.descr = "Number of fragments"
},
{
.name = "MMAP",
.tag = AUD_OPT_BOOL,
.valp = &glob_conf.try_mmap,
.descr = "Try using memory mapped access"
},
{
.name = "DAC_DEV",
.tag = AUD_OPT_STR,
.valp = &glob_conf.devpath_out,
.descr = "Path to DAC device"
},
{
.name = "ADC_DEV",
.tag = AUD_OPT_STR,
.valp = &glob_conf.devpath_in,
.descr = "Path to ADC device"
},
{
.name = "EXCLUSIVE",
.tag = AUD_OPT_BOOL,
.valp = &glob_conf.exclusive,
.descr = "Open device in exclusive mode (vmix won't work)"
},
#ifdef USE_DSP_POLICY
{
.name = "POLICY",
.tag = AUD_OPT_INT,
.valp = &glob_conf.policy,
.descr = "Set the timing policy of the device, -1 to use fragment mode",
},
#endif
{ /* End of list */ }
};
static struct audio_pcm_ops oss_pcm_ops = {
.init_out = oss_init_out,
.fini_out = oss_fini_out,
.run_out = oss_run_out,
.write = oss_write,
.get_buffer_out = oss_get_buffer_out,
.put_buffer_out = oss_put_buffer_out,
.enable_out = oss_enable_out,
.ctl_out = oss_ctl_out,
.init_in = oss_init_in,
.fini_in = oss_fini_in,
.run_in = oss_run_in,
.read = oss_read,
.enable_in = oss_enable_in
.ctl_in = oss_ctl_in
};
static struct audio_driver oss_audio_driver = {
.name = "oss",
.descr = "OSS http://www.opensound.com",
.options = oss_options,
.init = oss_audio_init,
.fini = oss_audio_fini,
.pcm_ops = &oss_pcm_ops,
+553 -451
View File
File diff suppressed because it is too large Load Diff
+1 -1
View File
@@ -28,7 +28,7 @@
* Return number of samples processed.
*/
void NAME (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
size_t *isamp, size_t *osamp)
int *isamp, int *osamp)
{
struct rate *rate = opaque;
struct st_sample *istart, *iend;
+239 -64
View File
@@ -21,11 +21,10 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include <SDL.h>
#include <SDL_thread.h>
#include "qemu/module.h"
#include "qemu-common.h"
#include "audio.h"
#ifndef _WIN32
@@ -39,15 +38,31 @@
#define AUDIO_CAP "sdl"
#include "audio_int.h"
#define USE_SEMAPHORE (SDL_MAJOR_VERSION < 2)
typedef struct SDLVoiceOut {
HWVoiceOut hw;
int live;
#if USE_SEMAPHORE
int rpos;
#endif
int decr;
} SDLVoiceOut;
static struct {
int nb_samples;
} conf = {
.nb_samples = 1024
};
static struct SDLAudioState {
int exit;
#if USE_SEMAPHORE
SDL_mutex *mutex;
SDL_sem *sem;
#endif
int initialized;
bool driver_created;
Audiodev *dev;
} glob_sdl;
typedef struct SDLAudioState SDLAudioState;
@@ -62,19 +77,79 @@ static void GCC_FMT_ATTR (1, 2) sdl_logerr (const char *fmt, ...)
AUD_log (AUDIO_CAP, "Reason: %s\n", SDL_GetError ());
}
static int aud_to_sdlfmt (AudioFormat fmt)
static int sdl_lock (SDLAudioState *s, const char *forfn)
{
#if USE_SEMAPHORE
if (SDL_LockMutex (s->mutex)) {
sdl_logerr ("SDL_LockMutex for %s failed\n", forfn);
return -1;
}
#else
SDL_LockAudio();
#endif
return 0;
}
static int sdl_unlock (SDLAudioState *s, const char *forfn)
{
#if USE_SEMAPHORE
if (SDL_UnlockMutex (s->mutex)) {
sdl_logerr ("SDL_UnlockMutex for %s failed\n", forfn);
return -1;
}
#else
SDL_UnlockAudio();
#endif
return 0;
}
static int sdl_post (SDLAudioState *s, const char *forfn)
{
#if USE_SEMAPHORE
if (SDL_SemPost (s->sem)) {
sdl_logerr ("SDL_SemPost for %s failed\n", forfn);
return -1;
}
#endif
return 0;
}
#if USE_SEMAPHORE
static int sdl_wait (SDLAudioState *s, const char *forfn)
{
if (SDL_SemWait (s->sem)) {
sdl_logerr ("SDL_SemWait for %s failed\n", forfn);
return -1;
}
return 0;
}
#endif
static int sdl_unlock_and_post (SDLAudioState *s, const char *forfn)
{
if (sdl_unlock (s, forfn)) {
return -1;
}
return sdl_post (s, forfn);
}
static int aud_to_sdlfmt (audfmt_e fmt)
{
switch (fmt) {
case AUDIO_FORMAT_S8:
case AUD_FMT_S8:
return AUDIO_S8;
case AUDIO_FORMAT_U8:
case AUD_FMT_U8:
return AUDIO_U8;
case AUDIO_FORMAT_S16:
case AUD_FMT_S16:
return AUDIO_S16LSB;
case AUDIO_FORMAT_U16:
case AUD_FMT_U16:
return AUDIO_U16LSB;
default:
@@ -86,37 +161,37 @@ static int aud_to_sdlfmt (AudioFormat fmt)
}
}
static int sdl_to_audfmt(int sdlfmt, AudioFormat *fmt, int *endianness)
static int sdl_to_audfmt(int sdlfmt, audfmt_e *fmt, int *endianness)
{
switch (sdlfmt) {
case AUDIO_S8:
*endianness = 0;
*fmt = AUDIO_FORMAT_S8;
*fmt = AUD_FMT_S8;
break;
case AUDIO_U8:
*endianness = 0;
*fmt = AUDIO_FORMAT_U8;
*fmt = AUD_FMT_U8;
break;
case AUDIO_S16LSB:
*endianness = 0;
*fmt = AUDIO_FORMAT_S16;
*fmt = AUD_FMT_S16;
break;
case AUDIO_U16LSB:
*endianness = 0;
*fmt = AUDIO_FORMAT_U16;
*fmt = AUD_FMT_U16;
break;
case AUDIO_S16MSB:
*endianness = 1;
*fmt = AUDIO_FORMAT_S16;
*fmt = AUD_FMT_S16;
break;
case AUDIO_U16MSB:
*endianness = 1;
*fmt = AUDIO_FORMAT_U16;
*fmt = AUD_FMT_U16;
break;
default:
@@ -168,9 +243,9 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt)
static void sdl_close (SDLAudioState *s)
{
if (s->initialized) {
SDL_LockAudio();
sdl_lock (s, "sdl_close");
s->exit = 1;
SDL_UnlockAudio();
sdl_unlock_and_post (s, "sdl_close");
SDL_PauseAudio (1);
SDL_CloseAudio ();
s->initialized = 0;
@@ -182,59 +257,119 @@ static void sdl_callback (void *opaque, Uint8 *buf, int len)
SDLVoiceOut *sdl = opaque;
SDLAudioState *s = &glob_sdl;
HWVoiceOut *hw = &sdl->hw;
int samples = len >> hw->info.shift;
if (s->exit) {
return;
}
/* dolog ("in callback samples=%zu live=%zu\n", samples, sdl->live); */
while (samples) {
int to_mix, decr;
while (hw->pending_emul && len) {
size_t write_len;
ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul;
if (start < 0) {
start += hw->size_emul;
/* dolog ("in callback samples=%d\n", samples); */
#if USE_SEMAPHORE
sdl_wait (s, "sdl_callback");
if (s->exit) {
return;
}
assert(start >= 0 && start < hw->size_emul);
write_len = MIN(MIN(hw->pending_emul, len),
hw->size_emul - start);
if (sdl_lock (s, "sdl_callback")) {
return;
}
memcpy(buf, hw->buf_emul + start, write_len);
hw->pending_emul -= write_len;
len -= write_len;
buf += write_len;
if (audio_bug(__func__, sdl->live < 0 || sdl->live > hw->samples)) {
dolog ("sdl->live=%d hw->samples=%d\n",
sdl->live, hw->samples);
return;
}
if (!sdl->live) {
goto again;
}
#else
if (s->exit || !sdl->live) {
break;
}
#endif
/* dolog ("in callback live=%d\n", live); */
to_mix = audio_MIN (samples, sdl->live);
decr = to_mix;
while (to_mix) {
int chunk = audio_MIN (to_mix, hw->samples - hw->rpos);
struct st_sample *src = hw->mix_buf + hw->rpos;
/* dolog ("in callback to_mix %d, chunk %d\n", to_mix, chunk); */
hw->clip (buf, src, chunk);
#if USE_SEMAPHORE
sdl->rpos = (sdl->rpos + chunk) % hw->samples;
#else
hw->rpos = (hw->rpos + chunk) % hw->samples;
#endif
to_mix -= chunk;
buf += chunk << hw->info.shift;
}
samples -= decr;
sdl->live -= decr;
sdl->decr += decr;
#if USE_SEMAPHORE
again:
if (sdl_unlock (s, "sdl_callback")) {
return;
}
#endif
}
/* dolog ("done len=%d\n", len); */
/* clear remaining buffer that we couldn't fill with data */
if (len) {
memset(buf, 0, len);
#if (SDL_MAJOR_VERSION >= 2)
/* SDL2 does not clear the remaining buffer for us, so do it on our own */
if (samples) {
memset(buf, 0, samples << hw->info.shift);
}
#endif
}
#define SDL_WRAPPER_FUNC(name, ret_type, args_decl, args, fail, unlock) \
static ret_type glue(sdl_, name)args_decl \
{ \
ret_type ret; \
\
SDL_LockAudio(); \
\
ret = glue(audio_generic_, name)args; \
\
SDL_UnlockAudio(); \
return ret; \
static int sdl_write_out (SWVoiceOut *sw, void *buf, int len)
{
return audio_pcm_sw_write (sw, buf, len);
}
static int sdl_run_out (HWVoiceOut *hw, int live)
{
int decr;
SDLVoiceOut *sdl = (SDLVoiceOut *) hw;
SDLAudioState *s = &glob_sdl;
if (sdl_lock (s, "sdl_run_out")) {
return 0;
}
SDL_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size),
(hw, size), *size = 0, sdl_unlock)
SDL_WRAPPER_FUNC(put_buffer_out_nowrite, size_t,
(HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size),
/*nothing*/, sdl_unlock_and_post)
SDL_WRAPPER_FUNC(write, size_t,
(HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size),
/*nothing*/, sdl_unlock_and_post)
if (sdl->decr > live) {
ldebug ("sdl->decr %d live %d sdl->live %d\n",
sdl->decr,
live,
sdl->live);
}
#undef SDL_WRAPPER_FUNC
decr = audio_MIN (sdl->decr, live);
sdl->decr -= decr;
#if USE_SEMAPHORE
sdl->live = live - decr;
hw->rpos = sdl->rpos;
#else
sdl->live = live;
#endif
if (sdl->live > 0) {
sdl_unlock_and_post (s, "sdl_run_out");
}
else {
sdl_unlock (s, "sdl_run_out");
}
return decr;
}
static void sdl_fini_out (HWVoiceOut *hw)
{
@@ -251,13 +386,13 @@ static int sdl_init_out(HWVoiceOut *hw, struct audsettings *as,
SDL_AudioSpec req, obt;
int endianness;
int err;
AudioFormat effective_fmt;
audfmt_e effective_fmt;
struct audsettings obt_as;
req.freq = as->freq;
req.format = aud_to_sdlfmt (as->fmt);
req.channels = as->nchannels;
req.samples = audio_buffer_samples(s->dev->u.sdl.out, as, 11610);
req.samples = conf.nb_samples;
req.callback = sdl_callback;
req.userdata = sdl;
@@ -285,12 +420,23 @@ static int sdl_init_out(HWVoiceOut *hw, struct audsettings *as,
return 0;
}
static void sdl_enable_out(HWVoiceOut *hw, bool enable)
static int sdl_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
SDL_PauseAudio(!enable);
(void) hw;
switch (cmd) {
case VOICE_ENABLE:
SDL_PauseAudio (0);
break;
case VOICE_DISABLE:
SDL_PauseAudio (1);
break;
}
return 0;
}
static void *sdl_audio_init(Audiodev *dev)
static void *sdl_audio_init (void)
{
SDLAudioState *s = &glob_sdl;
if (s->driver_created) {
@@ -303,8 +449,24 @@ static void *sdl_audio_init(Audiodev *dev)
return NULL;
}
#if USE_SEMAPHORE
s->mutex = SDL_CreateMutex ();
if (!s->mutex) {
sdl_logerr ("Failed to create SDL mutex\n");
SDL_QuitSubSystem (SDL_INIT_AUDIO);
return NULL;
}
s->sem = SDL_CreateSemaphore (0);
if (!s->sem) {
sdl_logerr ("Failed to create SDL semaphore\n");
SDL_DestroyMutex (s->mutex);
SDL_QuitSubSystem (SDL_INIT_AUDIO);
return NULL;
}
#endif
s->driver_created = true;
s->dev = dev;
return s;
}
@@ -312,23 +474,36 @@ static void sdl_audio_fini (void *opaque)
{
SDLAudioState *s = opaque;
sdl_close (s);
#if USE_SEMAPHORE
SDL_DestroySemaphore (s->sem);
SDL_DestroyMutex (s->mutex);
#endif
SDL_QuitSubSystem (SDL_INIT_AUDIO);
s->driver_created = false;
s->dev = NULL;
}
static struct audio_option sdl_options[] = {
{
.name = "SAMPLES",
.tag = AUD_OPT_INT,
.valp = &conf.nb_samples,
.descr = "Size of SDL buffer in samples"
},
{ /* End of list */ }
};
static struct audio_pcm_ops sdl_pcm_ops = {
.init_out = sdl_init_out,
.fini_out = sdl_fini_out,
.write = sdl_write,
.get_buffer_out = sdl_get_buffer_out,
.put_buffer_out = sdl_put_buffer_out_nowrite,
.enable_out = sdl_enable_out,
.run_out = sdl_run_out,
.write = sdl_write_out,
.ctl_out = sdl_ctl_out,
};
static struct audio_driver sdl_audio_driver = {
.name = "sdl",
.descr = "SDL http://www.libsdl.org",
.options = sdl_options,
.init = sdl_audio_init,
.fini = sdl_audio_fini,
.pcm_ops = &sdl_pcm_ops,
+188 -91
View File
@@ -18,8 +18,8 @@
*/
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "qemu/host-utils.h"
#include "qemu/module.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "ui/qemu-spice.h"
@@ -40,21 +40,27 @@
#define LINE_IN_SAMPLES (256 * 4)
#endif
typedef struct SpiceRateCtl {
int64_t start_ticks;
int64_t bytes_sent;
} SpiceRateCtl;
typedef struct SpiceVoiceOut {
HWVoiceOut hw;
SpicePlaybackInstance sin;
RateCtl rate;
SpiceRateCtl rate;
int active;
uint32_t *frame;
uint32_t fpos;
uint32_t *fpos;
uint32_t fsize;
} SpiceVoiceOut;
typedef struct SpiceVoiceIn {
HWVoiceIn hw;
SpiceRecordInstance sin;
RateCtl rate;
SpiceRateCtl rate;
int active;
uint32_t samples[LINE_IN_SAMPLES];
} SpiceVoiceIn;
static const SpicePlaybackInterface playback_sif = {
@@ -71,7 +77,7 @@ static const SpiceRecordInterface record_sif = {
.base.minor_version = SPICE_INTERFACE_RECORD_MINOR,
};
static void *spice_audio_init(Audiodev *dev)
static void *spice_audio_init (void)
{
if (!using_spice) {
return NULL;
@@ -84,6 +90,32 @@ static void spice_audio_fini (void *opaque)
/* nothing */
}
static void rate_start (SpiceRateCtl *rate)
{
memset (rate, 0, sizeof (*rate));
rate->start_ticks = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
}
static int rate_get_samples (struct audio_pcm_info *info, SpiceRateCtl *rate)
{
int64_t now;
int64_t ticks;
int64_t bytes;
int64_t samples;
now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
ticks = now - rate->start_ticks;
bytes = muldiv64(ticks, info->bytes_per_second, NANOSECONDS_PER_SECOND);
samples = (bytes - rate->bytes_sent) >> info->shift;
if (samples < 0 || samples > 65536) {
error_report("Resetting rate control (%" PRId64 " samples)", samples);
rate_start(rate);
samples = 0;
}
rate->bytes_sent += samples << info->shift;
return samples;
}
/* playback */
static int line_out_init(HWVoiceOut *hw, struct audsettings *as,
@@ -98,7 +130,7 @@ static int line_out_init(HWVoiceOut *hw, struct audsettings *as,
settings.freq = SPICE_INTERFACE_PLAYBACK_FREQ;
#endif
settings.nchannels = SPICE_INTERFACE_PLAYBACK_CHAN;
settings.fmt = AUDIO_FORMAT_S16;
settings.fmt = AUD_FMT_S16;
settings.endianness = AUDIO_HOST_ENDIANNESS;
audio_pcm_init_info (&hw->info, &settings);
@@ -120,78 +152,98 @@ static void line_out_fini (HWVoiceOut *hw)
spice_server_remove_interface (&out->sin.base);
}
static void *line_out_get_buffer(HWVoiceOut *hw, size_t *size)
static int line_out_run (HWVoiceOut *hw, int live)
{
SpiceVoiceOut *out = container_of(hw, SpiceVoiceOut, hw);
SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
int rpos, decr;
int samples;
if (!out->frame) {
spice_server_playback_get_buffer(&out->sin, &out->frame, &out->fsize);
out->fpos = 0;
if (!live) {
return 0;
}
if (out->frame) {
*size = audio_rate_get_bytes(
&hw->info, &out->rate,
(out->fsize - out->fpos) * hw->info.bytes_per_frame);
} else {
audio_rate_start(&out->rate);
decr = rate_get_samples (&hw->info, &out->rate);
decr = audio_MIN (live, decr);
samples = decr;
rpos = hw->rpos;
while (samples) {
int left_till_end_samples = hw->samples - rpos;
int len = audio_MIN (samples, left_till_end_samples);
if (!out->frame) {
spice_server_playback_get_buffer (&out->sin, &out->frame, &out->fsize);
out->fpos = out->frame;
}
if (out->frame) {
len = audio_MIN (len, out->fsize);
hw->clip (out->fpos, hw->mix_buf + rpos, len);
out->fsize -= len;
out->fpos += len;
if (out->fsize == 0) {
spice_server_playback_put_samples (&out->sin, out->frame);
out->frame = out->fpos = NULL;
}
}
rpos = (rpos + len) % hw->samples;
samples -= len;
}
return out->frame + out->fpos;
hw->rpos = rpos;
return decr;
}
static size_t line_out_put_buffer(HWVoiceOut *hw, void *buf, size_t size)
static int line_out_write (SWVoiceOut *sw, void *buf, int len)
{
SpiceVoiceOut *out = container_of(hw, SpiceVoiceOut, hw);
assert(buf == out->frame + out->fpos && out->fpos <= out->fsize);
out->fpos += size >> 2;
if (out->fpos == out->fsize) { /* buffer full */
spice_server_playback_put_samples(&out->sin, out->frame);
out->frame = NULL;
}
return size;
return audio_pcm_sw_write (sw, buf, len);
}
static void line_out_enable(HWVoiceOut *hw, bool enable)
static int line_out_ctl (HWVoiceOut *hw, int cmd, ...)
{
SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
if (enable) {
switch (cmd) {
case VOICE_ENABLE:
if (out->active) {
return;
break;
}
out->active = 1;
audio_rate_start(&out->rate);
rate_start (&out->rate);
spice_server_playback_start (&out->sin);
} else {
break;
case VOICE_DISABLE:
if (!out->active) {
return;
break;
}
out->active = 0;
if (out->frame) {
memset(out->frame + out->fpos, 0, (out->fsize - out->fpos) << 2);
memset (out->fpos, 0, out->fsize << 2);
spice_server_playback_put_samples (&out->sin, out->frame);
out->frame = NULL;
out->frame = out->fpos = NULL;
}
spice_server_playback_stop (&out->sin);
}
}
break;
case VOICE_VOLUME:
{
#if ((SPICE_INTERFACE_PLAYBACK_MAJOR >= 1) && (SPICE_INTERFACE_PLAYBACK_MINOR >= 2))
static void line_out_volume(HWVoiceOut *hw, Volume *vol)
{
SpiceVoiceOut *out = container_of(hw, SpiceVoiceOut, hw);
uint16_t svol[2];
SWVoiceOut *sw;
va_list ap;
uint16_t vol[2];
assert(vol->channels == 2);
svol[0] = vol->vol[0] * 257;
svol[1] = vol->vol[1] * 257;
spice_server_playback_set_volume(&out->sin, 2, svol);
spice_server_playback_set_mute(&out->sin, vol->mute);
}
va_start (ap, cmd);
sw = va_arg (ap, SWVoiceOut *);
va_end (ap);
vol[0] = sw->vol.l / ((1ULL << 16) + 1);
vol[1] = sw->vol.r / ((1ULL << 16) + 1);
spice_server_playback_set_volume (&out->sin, 2, vol);
spice_server_playback_set_mute (&out->sin, sw->vol.mute);
#endif
break;
}
}
return 0;
}
/* record */
@@ -206,7 +258,7 @@ static int line_in_init(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
settings.freq = SPICE_INTERFACE_RECORD_FREQ;
#endif
settings.nchannels = SPICE_INTERFACE_RECORD_CHAN;
settings.fmt = AUDIO_FORMAT_S16;
settings.fmt = AUD_FMT_S16;
settings.endianness = AUDIO_HOST_ENDIANNESS;
audio_pcm_init_info (&hw->info, &settings);
@@ -228,79 +280,121 @@ static void line_in_fini (HWVoiceIn *hw)
spice_server_remove_interface (&in->sin.base);
}
static size_t line_in_read(HWVoiceIn *hw, void *buf, size_t len)
static int line_in_run (HWVoiceIn *hw)
{
SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
uint64_t to_read = audio_rate_get_bytes(&hw->info, &in->rate, len) >> 2;
size_t ready = spice_server_record_get_samples(&in->sin, buf, to_read);
int num_samples;
int ready;
int len[2];
uint64_t delta_samp;
const uint32_t *samples;
/* XXX: do we need this? */
if (ready == 0) {
memset(buf, 0, to_read << 2);
ready = to_read;
if (!(num_samples = hw->samples - audio_pcm_hw_get_live_in (hw))) {
return 0;
}
return ready << 2;
delta_samp = rate_get_samples (&hw->info, &in->rate);
num_samples = audio_MIN (num_samples, delta_samp);
ready = spice_server_record_get_samples (&in->sin, in->samples, num_samples);
samples = in->samples;
if (ready == 0) {
static const uint32_t silence[LINE_IN_SAMPLES];
samples = silence;
ready = LINE_IN_SAMPLES;
}
num_samples = audio_MIN (ready, num_samples);
if (hw->wpos + num_samples > hw->samples) {
len[0] = hw->samples - hw->wpos;
len[1] = num_samples - len[0];
} else {
len[0] = num_samples;
len[1] = 0;
}
hw->conv (hw->conv_buf + hw->wpos, samples, len[0]);
if (len[1]) {
hw->conv (hw->conv_buf, samples + len[0], len[1]);
}
hw->wpos = (hw->wpos + num_samples) % hw->samples;
return num_samples;
}
static void line_in_enable(HWVoiceIn *hw, bool enable)
static int line_in_read (SWVoiceIn *sw, void *buf, int size)
{
return audio_pcm_sw_read (sw, buf, size);
}
static int line_in_ctl (HWVoiceIn *hw, int cmd, ...)
{
SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
if (enable) {
switch (cmd) {
case VOICE_ENABLE:
if (in->active) {
return;
break;
}
in->active = 1;
audio_rate_start(&in->rate);
rate_start (&in->rate);
spice_server_record_start (&in->sin);
} else {
break;
case VOICE_DISABLE:
if (!in->active) {
return;
break;
}
in->active = 0;
spice_server_record_stop (&in->sin);
}
}
break;
case VOICE_VOLUME:
{
#if ((SPICE_INTERFACE_RECORD_MAJOR >= 2) && (SPICE_INTERFACE_RECORD_MINOR >= 2))
static void line_in_volume(HWVoiceIn *hw, Volume *vol)
{
SpiceVoiceIn *in = container_of(hw, SpiceVoiceIn, hw);
uint16_t svol[2];
SWVoiceIn *sw;
va_list ap;
uint16_t vol[2];
assert(vol->channels == 2);
svol[0] = vol->vol[0] * 257;
svol[1] = vol->vol[1] * 257;
spice_server_record_set_volume(&in->sin, 2, svol);
spice_server_record_set_mute(&in->sin, vol->mute);
}
va_start (ap, cmd);
sw = va_arg (ap, SWVoiceIn *);
va_end (ap);
vol[0] = sw->vol.l / ((1ULL << 16) + 1);
vol[1] = sw->vol.r / ((1ULL << 16) + 1);
spice_server_record_set_volume (&in->sin, 2, vol);
spice_server_record_set_mute (&in->sin, sw->vol.mute);
#endif
break;
}
}
return 0;
}
static struct audio_option audio_options[] = {
{ /* end of list */ },
};
static struct audio_pcm_ops audio_callbacks = {
.init_out = line_out_init,
.fini_out = line_out_fini,
.write = audio_generic_write,
.get_buffer_out = line_out_get_buffer,
.put_buffer_out = line_out_put_buffer,
.enable_out = line_out_enable,
#if (SPICE_INTERFACE_PLAYBACK_MAJOR >= 1) && \
(SPICE_INTERFACE_PLAYBACK_MINOR >= 2)
.volume_out = line_out_volume,
#endif
.run_out = line_out_run,
.write = line_out_write,
.ctl_out = line_out_ctl,
.init_in = line_in_init,
.fini_in = line_in_fini,
.run_in = line_in_run,
.read = line_in_read,
.enable_in = line_in_enable,
#if ((SPICE_INTERFACE_RECORD_MAJOR >= 2) && (SPICE_INTERFACE_RECORD_MINOR >= 2))
.volume_in = line_in_volume,
#endif
.ctl_in = line_in_ctl,
};
static struct audio_driver spice_audio_driver = {
.name = "spice",
.descr = "spice audio driver",
.options = audio_options,
.init = spice_audio_init,
.fini = spice_audio_fini,
.pcm_ops = &audio_callbacks,
@@ -308,6 +402,9 @@ static struct audio_driver spice_audio_driver = {
.max_voices_in = 1,
.voice_size_out = sizeof (SpiceVoiceOut),
.voice_size_in = sizeof (SpiceVoiceIn),
#if ((SPICE_INTERFACE_PLAYBACK_MAJOR >= 1) && (SPICE_INTERFACE_PLAYBACK_MINOR >= 2))
.ctl_caps = VOICE_VOLUME_CAP
#endif
};
void qemu_spice_audio_init (void)
+3 -3
View File
@@ -1,6 +1,6 @@
# See docs/devel/tracing.txt for syntax documentation.
# alsaaudio.c
# audio/alsaaudio.c
alsa_revents(int revents) "revents = %d"
alsa_pollout(int i, int fd) "i = %d fd = %d"
alsa_set_handler(int events, int index, int fd, int err) "events=0x%x index=%d fd=%d err=%d"
@@ -12,11 +12,11 @@ alsa_resume_out(void) "Resuming suspended output stream"
alsa_resume_in(void) "Resuming suspended input stream"
alsa_no_frames(int state) "No frames available and ALSA state is %d"
# ossaudio.c
# audio/ossaudio.c
oss_version(int version) "OSS version = 0x%x"
oss_invalid_available_size(int size, int bufsize) "Invalid available size, size=%d bufsize=%d"
# audio.c
# audio/audio.c
audio_timer_start(int interval) "interval %d ms"
audio_timer_stop(void) ""
audio_timer_delayed(int interval) "interval %d ms"
+119 -40
View File
@@ -21,12 +21,9 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu/host-utils.h"
#include "qemu/module.h"
#include "qemu/timer.h"
#include "qapi/opts-visitor.h"
#include "audio.h"
#define AUDIO_CAP "wav"
@@ -35,23 +32,63 @@
typedef struct WAVVoiceOut {
HWVoiceOut hw;
FILE *f;
RateCtl rate;
int64_t old_ticks;
void *pcm_buf;
int total_samples;
} WAVVoiceOut;
static size_t wav_write_out(HWVoiceOut *hw, void *buf, size_t len)
typedef struct {
struct audsettings settings;
const char *wav_path;
} WAVConf;
static int wav_run_out (HWVoiceOut *hw, int live)
{
WAVVoiceOut *wav = (WAVVoiceOut *) hw;
int64_t bytes = audio_rate_get_bytes(&hw->info, &wav->rate, len);
assert(bytes % hw->info.bytes_per_frame == 0);
int rpos, decr, samples;
uint8_t *dst;
struct st_sample *src;
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
int64_t ticks = now - wav->old_ticks;
int64_t bytes =
muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND);
if (bytes && fwrite(buf, bytes, 1, wav->f) != 1) {
dolog("wav_write_out: fwrite of %" PRId64 " bytes failed\nReason: %s\n",
bytes, strerror(errno));
if (bytes > INT_MAX) {
samples = INT_MAX >> hw->info.shift;
}
else {
samples = bytes >> hw->info.shift;
}
wav->total_samples += bytes / hw->info.bytes_per_frame;
return bytes;
wav->old_ticks = now;
decr = audio_MIN (live, samples);
samples = decr;
rpos = hw->rpos;
while (samples) {
int left_till_end_samples = hw->samples - rpos;
int convert_samples = audio_MIN (samples, left_till_end_samples);
src = hw->mix_buf + rpos;
dst = advance (wav->pcm_buf, rpos << hw->info.shift);
hw->clip (dst, src, convert_samples);
if (fwrite (dst, convert_samples << hw->info.shift, 1, wav->f) != 1) {
dolog ("wav_run_out: fwrite of %d bytes failed\nReaons: %s\n",
convert_samples << hw->info.shift, strerror (errno));
}
rpos = (rpos + convert_samples) % hw->samples;
samples -= convert_samples;
wav->total_samples += convert_samples;
}
hw->rpos = rpos;
return decr;
}
static int wav_write_out (SWVoiceOut *sw, void *buf, int len)
{
return audio_pcm_sw_write (sw, buf, len);
}
/* VICE code: Store number as little endian. */
@@ -75,30 +112,25 @@ static int wav_init_out(HWVoiceOut *hw, struct audsettings *as,
0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04,
0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00
};
Audiodev *dev = drv_opaque;
AudiodevWavOptions *wopts = &dev->u.wav;
struct audsettings wav_as = audiodev_to_audsettings(dev->u.wav.out);
const char *wav_path = wopts->has_path ? wopts->path : "qemu.wav";
WAVConf *conf = drv_opaque;
struct audsettings wav_as = conf->settings;
stereo = wav_as.nchannels == 2;
switch (wav_as.fmt) {
case AUDIO_FORMAT_S8:
case AUDIO_FORMAT_U8:
case AUD_FMT_S8:
case AUD_FMT_U8:
bits16 = 0;
break;
case AUDIO_FORMAT_S16:
case AUDIO_FORMAT_U16:
case AUD_FMT_S16:
case AUD_FMT_U16:
bits16 = 1;
break;
case AUDIO_FORMAT_S32:
case AUDIO_FORMAT_U32:
case AUD_FMT_S32:
case AUD_FMT_U32:
dolog ("WAVE files can not handle 32bit formats\n");
return -1;
default:
abort();
}
hdr[34] = bits16 ? 0x10 : 0x08;
@@ -107,15 +139,24 @@ static int wav_init_out(HWVoiceOut *hw, struct audsettings *as,
audio_pcm_init_info (&hw->info, &wav_as);
hw->samples = 1024;
wav->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift);
if (!wav->pcm_buf) {
dolog ("Could not allocate buffer (%d bytes)\n",
hw->samples << hw->info.shift);
return -1;
}
le_store (hdr + 22, hw->info.nchannels, 2);
le_store (hdr + 24, hw->info.freq, 4);
le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4);
le_store (hdr + 32, 1 << (bits16 + stereo), 2);
wav->f = fopen(wav_path, "wb");
wav->f = fopen (conf->wav_path, "wb");
if (!wav->f) {
dolog ("Failed to open wave file `%s'\nReason: %s\n",
wav_path, strerror(errno));
conf->wav_path, strerror (errno));
g_free (wav->pcm_buf);
wav->pcm_buf = NULL;
return -1;
}
@@ -124,8 +165,6 @@ static int wav_init_out(HWVoiceOut *hw, struct audsettings *as,
strerror(errno));
return -1;
}
audio_rate_start(&wav->rate);
return 0;
}
@@ -134,7 +173,7 @@ static void wav_fini_out (HWVoiceOut *hw)
WAVVoiceOut *wav = (WAVVoiceOut *) hw;
uint8_t rlen[4];
uint8_t dlen[4];
uint32_t datalen = wav->total_samples * hw->info.bytes_per_frame;
uint32_t datalen = wav->total_samples << hw->info.shift;
uint32_t rifflen = datalen + 36;
if (!wav->f) {
@@ -171,38 +210,78 @@ static void wav_fini_out (HWVoiceOut *hw)
wav->f, strerror (errno));
}
wav->f = NULL;
g_free (wav->pcm_buf);
wav->pcm_buf = NULL;
}
static void wav_enable_out(HWVoiceOut *hw, bool enable)
static int wav_ctl_out (HWVoiceOut *hw, int cmd, ...)
{
WAVVoiceOut *wav = (WAVVoiceOut *) hw;
if (enable) {
audio_rate_start(&wav->rate);
}
(void) hw;
(void) cmd;
return 0;
}
static void *wav_audio_init(Audiodev *dev)
static WAVConf glob_conf = {
.settings.freq = 44100,
.settings.nchannels = 2,
.settings.fmt = AUD_FMT_S16,
.wav_path = "qemu.wav"
};
static void *wav_audio_init (void)
{
assert(dev->driver == AUDIODEV_DRIVER_WAV);
return dev;
WAVConf *conf = g_malloc(sizeof(WAVConf));
*conf = glob_conf;
return conf;
}
static void wav_audio_fini (void *opaque)
{
ldebug ("wav_fini");
g_free(opaque);
}
static struct audio_option wav_options[] = {
{
.name = "FREQUENCY",
.tag = AUD_OPT_INT,
.valp = &glob_conf.settings.freq,
.descr = "Frequency"
},
{
.name = "FORMAT",
.tag = AUD_OPT_FMT,
.valp = &glob_conf.settings.fmt,
.descr = "Format"
},
{
.name = "DAC_FIXED_CHANNELS",
.tag = AUD_OPT_INT,
.valp = &glob_conf.settings.nchannels,
.descr = "Number of channels (1 - mono, 2 - stereo)"
},
{
.name = "PATH",
.tag = AUD_OPT_STR,
.valp = &glob_conf.wav_path,
.descr = "Path to wave file"
},
{ /* End of list */ }
};
static struct audio_pcm_ops wav_pcm_ops = {
.init_out = wav_init_out,
.fini_out = wav_fini_out,
.run_out = wav_run_out,
.write = wav_write_out,
.enable_out = wav_enable_out,
.ctl_out = wav_ctl_out,
};
static struct audio_driver wav_audio_driver = {
.name = "wav",
.descr = "WAV renderer http://wikipedia.org/wiki/WAV",
.options = wav_options,
.init = wav_audio_init,
.fini = wav_audio_fini,
.pcm_ops = &wav_pcm_ops,
+27 -21
View File
@@ -1,4 +1,5 @@
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "monitor/monitor.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
@@ -37,29 +38,30 @@ static void wav_destroy (void *opaque)
uint8_t dlen[4];
uint32_t datalen = wav->bytes;
uint32_t rifflen = datalen + 36;
Monitor *mon = cur_mon;
if (wav->f) {
le_store (rlen, rifflen, 4);
le_store (dlen, datalen, 4);
if (fseek (wav->f, 4, SEEK_SET)) {
error_report("wav_destroy: rlen fseek failed: %s",
strerror(errno));
monitor_printf (mon, "wav_destroy: rlen fseek failed\nReason: %s\n",
strerror (errno));
goto doclose;
}
if (fwrite (rlen, 4, 1, wav->f) != 1) {
error_report("wav_destroy: rlen fwrite failed: %s",
strerror(errno));
monitor_printf (mon, "wav_destroy: rlen fwrite failed\nReason %s\n",
strerror (errno));
goto doclose;
}
if (fseek (wav->f, 32, SEEK_CUR)) {
error_report("wav_destroy: dlen fseek failed: %s",
strerror(errno));
monitor_printf (mon, "wav_destroy: dlen fseek failed\nReason %s\n",
strerror (errno));
goto doclose;
}
if (fwrite (dlen, 1, 4, wav->f) != 4) {
error_report("wav_destroy: dlen fwrite failed: %s",
strerror(errno));
monitor_printf (mon, "wav_destroy: dlen fwrite failed\nReason %s\n",
strerror (errno));
goto doclose;
}
doclose:
@@ -76,7 +78,8 @@ static void wav_capture (void *opaque, void *buf, int size)
WAVState *wav = opaque;
if (fwrite (buf, size, 1, wav->f) != 1) {
error_report("wav_capture: fwrite error: %s", strerror(errno));
monitor_printf (cur_mon, "wav_capture: fwrite error\nReason: %s",
strerror (errno));
}
wav->bytes += size;
}
@@ -104,9 +107,10 @@ static struct capture_ops wav_capture_ops = {
.info = wav_capture_info
};
int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
int freq, int bits, int nchannels)
int wav_start_capture (CaptureState *s, const char *path, int freq,
int bits, int nchannels)
{
Monitor *mon = cur_mon;
WAVState *wav;
uint8_t hdr[] = {
0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56,
@@ -120,13 +124,13 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
CaptureVoiceOut *cap;
if (bits != 8 && bits != 16) {
error_report("incorrect bit count %d, must be 8 or 16", bits);
monitor_printf (mon, "incorrect bit count %d, must be 8 or 16\n", bits);
return -1;
}
if (nchannels != 1 && nchannels != 2) {
error_report("incorrect channel count %d, must be 1 or 2",
nchannels);
monitor_printf (mon, "incorrect channel count %d, must be 1 or 2\n",
nchannels);
return -1;
}
@@ -135,7 +139,7 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
as.freq = freq;
as.nchannels = 1 << stereo;
as.fmt = bits16 ? AUDIO_FORMAT_S16 : AUDIO_FORMAT_U8;
as.fmt = bits16 ? AUD_FMT_S16 : AUD_FMT_U8;
as.endianness = 0;
ops.notify = wav_notify;
@@ -154,8 +158,8 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
wav->f = fopen (path, "wb");
if (!wav->f) {
error_report("Failed to open wave file `%s': %s",
path, strerror(errno));
monitor_printf (mon, "Failed to open wave file `%s'\nReason: %s\n",
path, strerror (errno));
g_free (wav);
return -1;
}
@@ -166,13 +170,14 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
wav->freq = freq;
if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) {
error_report("Failed to write header: %s", strerror(errno));
monitor_printf (mon, "Failed to write header\nReason: %s\n",
strerror (errno));
goto error_free;
}
cap = AUD_add_capture(state, &as, &ops, wav);
cap = AUD_add_capture (&as, &ops, wav);
if (!cap) {
error_report("Failed to add audio capture");
monitor_printf (mon, "Failed to add audio capture\n");
goto error_free;
}
@@ -184,7 +189,8 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
error_free:
g_free (wav->path);
if (fclose (wav->f)) {
error_report("Failed to close wave file: %s", strerror(errno));
monitor_printf (mon, "Failed to close wave file\nReason: %s\n",
strerror (errno));
}
g_free (wav);
return -1;
-7
View File
@@ -1,7 +0,0 @@
authz-obj-y += base.o
authz-obj-y += simple.o
authz-obj-y += list.o
authz-obj-y += listfile.o
authz-obj-$(CONFIG_AUTH_PAM) += pamacct.o
pamacct.o-libs = -lpam
-83
View File
@@ -1,83 +0,0 @@
/*
* QEMU authorization framework base class
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/base.h"
#include "qemu/module.h"
#include "trace.h"
bool qauthz_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZClass *cls = QAUTHZ_GET_CLASS(authz);
bool allowed;
allowed = cls->is_allowed(authz, identity, errp);
trace_qauthz_is_allowed(authz, identity, allowed);
return allowed;
}
bool qauthz_is_allowed_by_id(const char *authzid,
const char *identity,
Error **errp)
{
QAuthZ *authz;
Object *obj;
Object *container;
container = object_get_objects_root();
obj = object_resolve_path_component(container,
authzid);
if (!obj) {
error_setg(errp, "Cannot find QAuthZ object ID %s",
authzid);
return false;
}
if (!object_dynamic_cast(obj, TYPE_QAUTHZ)) {
error_setg(errp, "Object '%s' is not a QAuthZ subclass",
authzid);
return false;
}
authz = QAUTHZ(obj);
return qauthz_is_allowed(authz, identity, errp);
}
static const TypeInfo authz_info = {
.parent = TYPE_OBJECT,
.name = TYPE_QAUTHZ,
.instance_size = sizeof(QAuthZ),
.class_size = sizeof(QAuthZClass),
.abstract = true,
};
static void qauthz_register_types(void)
{
type_register_static(&authz_info);
}
type_init(qauthz_register_types)
-272
View File
@@ -1,272 +0,0 @@
/*
* QEMU access control list authorization driver
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/list.h"
#include "trace.h"
#include "qom/object_interfaces.h"
#include "qapi/qapi-visit-authz.h"
#include "qemu/module.h"
static bool qauthz_list_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZList *lauthz = QAUTHZ_LIST(authz);
QAuthZListRuleList *rules = lauthz->rules;
while (rules) {
QAuthZListRule *rule = rules->value;
QAuthZListFormat format = rule->has_format ? rule->format :
QAUTHZ_LIST_FORMAT_EXACT;
trace_qauthz_list_check_rule(authz, rule->match, identity,
format, rule->policy);
switch (format) {
case QAUTHZ_LIST_FORMAT_EXACT:
if (g_str_equal(rule->match, identity)) {
return rule->policy == QAUTHZ_LIST_POLICY_ALLOW;
}
break;
case QAUTHZ_LIST_FORMAT_GLOB:
if (g_pattern_match_simple(rule->match, identity)) {
return rule->policy == QAUTHZ_LIST_POLICY_ALLOW;
}
break;
default:
g_warn_if_reached();
return false;
}
rules = rules->next;
}
trace_qauthz_list_default_policy(authz, identity, lauthz->policy);
return lauthz->policy == QAUTHZ_LIST_POLICY_ALLOW;
}
static void
qauthz_list_prop_set_policy(Object *obj,
int value,
Error **errp G_GNUC_UNUSED)
{
QAuthZList *lauthz = QAUTHZ_LIST(obj);
lauthz->policy = value;
}
static int
qauthz_list_prop_get_policy(Object *obj,
Error **errp G_GNUC_UNUSED)
{
QAuthZList *lauthz = QAUTHZ_LIST(obj);
return lauthz->policy;
}
static void
qauthz_list_prop_get_rules(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
QAuthZList *lauthz = QAUTHZ_LIST(obj);
visit_type_QAuthZListRuleList(v, name, &lauthz->rules, errp);
}
static void
qauthz_list_prop_set_rules(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
QAuthZList *lauthz = QAUTHZ_LIST(obj);
QAuthZListRuleList *oldrules;
oldrules = lauthz->rules;
visit_type_QAuthZListRuleList(v, name, &lauthz->rules, errp);
qapi_free_QAuthZListRuleList(oldrules);
}
static void
qauthz_list_finalize(Object *obj)
{
QAuthZList *lauthz = QAUTHZ_LIST(obj);
qapi_free_QAuthZListRuleList(lauthz->rules);
}
static void
qauthz_list_class_init(ObjectClass *oc, void *data)
{
QAuthZClass *authz = QAUTHZ_CLASS(oc);
object_class_property_add_enum(oc, "policy",
"QAuthZListPolicy",
&QAuthZListPolicy_lookup,
qauthz_list_prop_get_policy,
qauthz_list_prop_set_policy,
NULL);
object_class_property_add(oc, "rules", "QAuthZListRule",
qauthz_list_prop_get_rules,
qauthz_list_prop_set_rules,
NULL, NULL, NULL);
authz->is_allowed = qauthz_list_is_allowed;
}
QAuthZList *qauthz_list_new(const char *id,
QAuthZListPolicy policy,
Error **errp)
{
return QAUTHZ_LIST(
object_new_with_props(TYPE_QAUTHZ_LIST,
object_get_objects_root(),
id, errp,
"policy", QAuthZListPolicy_str(policy),
NULL));
}
ssize_t qauthz_list_append_rule(QAuthZList *auth,
const char *match,
QAuthZListPolicy policy,
QAuthZListFormat format,
Error **errp)
{
QAuthZListRule *rule;
QAuthZListRuleList *rules, *tmp;
size_t i = 0;
rule = g_new0(QAuthZListRule, 1);
rule->policy = policy;
rule->match = g_strdup(match);
rule->format = format;
rule->has_format = true;
tmp = g_new0(QAuthZListRuleList, 1);
tmp->value = rule;
rules = auth->rules;
if (rules) {
while (rules->next) {
i++;
rules = rules->next;
}
rules->next = tmp;
return i + 1;
} else {
auth->rules = tmp;
return 0;
}
}
ssize_t qauthz_list_insert_rule(QAuthZList *auth,
const char *match,
QAuthZListPolicy policy,
QAuthZListFormat format,
size_t index,
Error **errp)
{
QAuthZListRule *rule;
QAuthZListRuleList *rules, *tmp;
size_t i = 0;
rule = g_new0(QAuthZListRule, 1);
rule->policy = policy;
rule->match = g_strdup(match);
rule->format = format;
rule->has_format = true;
tmp = g_new0(QAuthZListRuleList, 1);
tmp->value = rule;
rules = auth->rules;
if (rules && index > 0) {
while (rules->next && i < (index - 1)) {
i++;
rules = rules->next;
}
tmp->next = rules->next;
rules->next = tmp;
return i + 1;
} else {
tmp->next = auth->rules;
auth->rules = tmp;
return 0;
}
}
ssize_t qauthz_list_delete_rule(QAuthZList *auth, const char *match)
{
QAuthZListRule *rule;
QAuthZListRuleList *rules, *prev;
size_t i = 0;
prev = NULL;
rules = auth->rules;
while (rules) {
rule = rules->value;
if (g_str_equal(rule->match, match)) {
if (prev) {
prev->next = rules->next;
} else {
auth->rules = rules->next;
}
rules->next = NULL;
qapi_free_QAuthZListRuleList(rules);
return i;
}
prev = rules;
rules = rules->next;
i++;
}
return -1;
}
static const TypeInfo qauthz_list_info = {
.parent = TYPE_QAUTHZ,
.name = TYPE_QAUTHZ_LIST,
.instance_size = sizeof(QAuthZList),
.instance_finalize = qauthz_list_finalize,
.class_size = sizeof(QAuthZListClass),
.class_init = qauthz_list_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
}
};
static void
qauthz_list_register_types(void)
{
type_register_static(&qauthz_list_info);
}
type_init(qauthz_list_register_types);
-284
View File
@@ -1,284 +0,0 @@
/*
* QEMU access control list file authorization driver
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/listfile.h"
#include "trace.h"
#include "qemu/error-report.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "qemu/sockets.h"
#include "qemu/filemonitor.h"
#include "qom/object_interfaces.h"
#include "qapi/qapi-visit-authz.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/qobject.h"
#include "qapi/qmp/qerror.h"
#include "qapi/qobject-input-visitor.h"
static bool
qauthz_list_file_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(authz);
if (fauthz->list) {
return qauthz_is_allowed(fauthz->list, identity, errp);
}
return false;
}
static QAuthZ *
qauthz_list_file_load(QAuthZListFile *fauthz, Error **errp)
{
GError *err = NULL;
gchar *content = NULL;
gsize len;
QObject *obj = NULL;
QDict *pdict;
Visitor *v = NULL;
QAuthZ *ret = NULL;
trace_qauthz_list_file_load(fauthz, fauthz->filename);
if (!g_file_get_contents(fauthz->filename, &content, &len, &err)) {
error_setg(errp, "Unable to read '%s': %s",
fauthz->filename, err->message);
goto cleanup;
}
obj = qobject_from_json(content, errp);
if (!obj) {
goto cleanup;
}
pdict = qobject_to(QDict, obj);
if (!pdict) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "obj", "dict");
goto cleanup;
}
v = qobject_input_visitor_new(obj);
ret = (QAuthZ *)user_creatable_add_type(TYPE_QAUTHZ_LIST,
NULL, pdict, v, errp);
cleanup:
visit_free(v);
qobject_unref(obj);
if (err) {
g_error_free(err);
}
g_free(content);
return ret;
}
static void
qauthz_list_file_event(int64_t wd G_GNUC_UNUSED,
QFileMonitorEvent ev G_GNUC_UNUSED,
const char *name G_GNUC_UNUSED,
void *opaque)
{
QAuthZListFile *fauthz = opaque;
Error *err = NULL;
if (ev != QFILE_MONITOR_EVENT_MODIFIED &&
ev != QFILE_MONITOR_EVENT_CREATED) {
return;
}
object_unref(OBJECT(fauthz->list));
fauthz->list = qauthz_list_file_load(fauthz, &err);
trace_qauthz_list_file_refresh(fauthz,
fauthz->filename, fauthz->list ? 1 : 0);
if (!fauthz->list) {
error_report_err(err);
}
}
static void
qauthz_list_file_complete(UserCreatable *uc, Error **errp)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(uc);
gchar *dir = NULL, *file = NULL;
fauthz->list = qauthz_list_file_load(fauthz, errp);
if (!fauthz->refresh) {
return;
}
fauthz->file_monitor = qemu_file_monitor_new(errp);
if (!fauthz->file_monitor) {
return;
}
dir = g_path_get_dirname(fauthz->filename);
if (g_str_equal(dir, ".")) {
error_setg(errp, "Filename must be an absolute path");
goto cleanup;
}
file = g_path_get_basename(fauthz->filename);
if (g_str_equal(file, ".")) {
error_setg(errp, "Path has no trailing filename component");
goto cleanup;
}
fauthz->file_watch = qemu_file_monitor_add_watch(
fauthz->file_monitor, dir, file,
qauthz_list_file_event, fauthz, errp);
if (fauthz->file_watch < 0) {
goto cleanup;
}
cleanup:
g_free(file);
g_free(dir);
}
static void
qauthz_list_file_prop_set_filename(Object *obj,
const char *value,
Error **errp G_GNUC_UNUSED)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(obj);
g_free(fauthz->filename);
fauthz->filename = g_strdup(value);
}
static char *
qauthz_list_file_prop_get_filename(Object *obj,
Error **errp G_GNUC_UNUSED)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(obj);
return g_strdup(fauthz->filename);
}
static void
qauthz_list_file_prop_set_refresh(Object *obj,
bool value,
Error **errp G_GNUC_UNUSED)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(obj);
fauthz->refresh = value;
}
static bool
qauthz_list_file_prop_get_refresh(Object *obj,
Error **errp G_GNUC_UNUSED)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(obj);
return fauthz->refresh;
}
static void
qauthz_list_file_finalize(Object *obj)
{
QAuthZListFile *fauthz = QAUTHZ_LIST_FILE(obj);
object_unref(OBJECT(fauthz->list));
g_free(fauthz->filename);
qemu_file_monitor_free(fauthz->file_monitor);
}
static void
qauthz_list_file_class_init(ObjectClass *oc, void *data)
{
UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
QAuthZClass *authz = QAUTHZ_CLASS(oc);
ucc->complete = qauthz_list_file_complete;
object_class_property_add_str(oc, "filename",
qauthz_list_file_prop_get_filename,
qauthz_list_file_prop_set_filename,
NULL);
object_class_property_add_bool(oc, "refresh",
qauthz_list_file_prop_get_refresh,
qauthz_list_file_prop_set_refresh,
NULL);
authz->is_allowed = qauthz_list_file_is_allowed;
}
static void
qauthz_list_file_init(Object *obj)
{
QAuthZListFile *authz = QAUTHZ_LIST_FILE(obj);
authz->file_watch = -1;
#ifdef CONFIG_INOTIFY1
authz->refresh = TRUE;
#endif
}
QAuthZListFile *qauthz_list_file_new(const char *id,
const char *filename,
bool refresh,
Error **errp)
{
return QAUTHZ_LIST_FILE(
object_new_with_props(TYPE_QAUTHZ_LIST_FILE,
object_get_objects_root(),
id, errp,
"filename", filename,
"refresh", refresh ? "yes" : "no",
NULL));
}
static const TypeInfo qauthz_list_file_info = {
.parent = TYPE_QAUTHZ,
.name = TYPE_QAUTHZ_LIST_FILE,
.instance_init = qauthz_list_file_init,
.instance_size = sizeof(QAuthZListFile),
.instance_finalize = qauthz_list_file_finalize,
.class_size = sizeof(QAuthZListFileClass),
.class_init = qauthz_list_file_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
}
};
static void
qauthz_list_file_register_types(void)
{
type_register_static(&qauthz_list_file_info);
}
type_init(qauthz_list_file_register_types);
-149
View File
@@ -1,149 +0,0 @@
/*
* QEMU PAM authorization driver
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/pamacct.h"
#include "trace.h"
#include "qemu/module.h"
#include "qom/object_interfaces.h"
#include <security/pam_appl.h>
static bool qauthz_pam_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZPAM *pauthz = QAUTHZ_PAM(authz);
const struct pam_conv pam_conversation = { 0 };
pam_handle_t *pamh = NULL;
int ret;
trace_qauthz_pam_check(authz, identity, pauthz->service);
ret = pam_start(pauthz->service,
identity,
&pam_conversation,
&pamh);
if (ret != PAM_SUCCESS) {
error_setg(errp, "Unable to start PAM transaction: %s",
pam_strerror(NULL, ret));
return false;
}
ret = pam_acct_mgmt(pamh, PAM_SILENT);
pam_end(pamh, ret);
if (ret != PAM_SUCCESS) {
error_setg(errp, "Unable to authorize user '%s': %s",
identity, pam_strerror(pamh, ret));
return false;
}
return true;
}
static void
qauthz_pam_prop_set_service(Object *obj,
const char *service,
Error **errp G_GNUC_UNUSED)
{
QAuthZPAM *pauthz = QAUTHZ_PAM(obj);
g_free(pauthz->service);
pauthz->service = g_strdup(service);
}
static char *
qauthz_pam_prop_get_service(Object *obj,
Error **errp G_GNUC_UNUSED)
{
QAuthZPAM *pauthz = QAUTHZ_PAM(obj);
return g_strdup(pauthz->service);
}
static void
qauthz_pam_complete(UserCreatable *uc, Error **errp)
{
}
static void
qauthz_pam_finalize(Object *obj)
{
QAuthZPAM *pauthz = QAUTHZ_PAM(obj);
g_free(pauthz->service);
}
static void
qauthz_pam_class_init(ObjectClass *oc, void *data)
{
UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
QAuthZClass *authz = QAUTHZ_CLASS(oc);
ucc->complete = qauthz_pam_complete;
authz->is_allowed = qauthz_pam_is_allowed;
object_class_property_add_str(oc, "service",
qauthz_pam_prop_get_service,
qauthz_pam_prop_set_service,
NULL);
}
QAuthZPAM *qauthz_pam_new(const char *id,
const char *service,
Error **errp)
{
return QAUTHZ_PAM(
object_new_with_props(TYPE_QAUTHZ_PAM,
object_get_objects_root(),
id, errp,
"service", service,
NULL));
}
static const TypeInfo qauthz_pam_info = {
.parent = TYPE_QAUTHZ,
.name = TYPE_QAUTHZ_PAM,
.instance_size = sizeof(QAuthZPAM),
.instance_finalize = qauthz_pam_finalize,
.class_size = sizeof(QAuthZPAMClass),
.class_init = qauthz_pam_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
}
};
static void
qauthz_pam_register_types(void)
{
type_register_static(&qauthz_pam_info);
}
type_init(qauthz_pam_register_types);
-116
View File
@@ -1,116 +0,0 @@
/*
* QEMU simple authorization driver
*
* Copyright (c) 2018 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "authz/simple.h"
#include "trace.h"
#include "qemu/module.h"
#include "qom/object_interfaces.h"
static bool qauthz_simple_is_allowed(QAuthZ *authz,
const char *identity,
Error **errp)
{
QAuthZSimple *sauthz = QAUTHZ_SIMPLE(authz);
trace_qauthz_simple_is_allowed(authz, sauthz->identity, identity);
return g_str_equal(identity, sauthz->identity);
}
static void
qauthz_simple_prop_set_identity(Object *obj,
const char *value,
Error **errp G_GNUC_UNUSED)
{
QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
g_free(sauthz->identity);
sauthz->identity = g_strdup(value);
}
static char *
qauthz_simple_prop_get_identity(Object *obj,
Error **errp G_GNUC_UNUSED)
{
QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
return g_strdup(sauthz->identity);
}
static void
qauthz_simple_finalize(Object *obj)
{
QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
g_free(sauthz->identity);
}
static void
qauthz_simple_class_init(ObjectClass *oc, void *data)
{
QAuthZClass *authz = QAUTHZ_CLASS(oc);
authz->is_allowed = qauthz_simple_is_allowed;
object_class_property_add_str(oc, "identity",
qauthz_simple_prop_get_identity,
qauthz_simple_prop_set_identity,
NULL);
}
QAuthZSimple *qauthz_simple_new(const char *id,
const char *identity,
Error **errp)
{
return QAUTHZ_SIMPLE(
object_new_with_props(TYPE_QAUTHZ_SIMPLE,
object_get_objects_root(),
id, errp,
"identity", identity,
NULL));
}
static const TypeInfo qauthz_simple_info = {
.parent = TYPE_QAUTHZ,
.name = TYPE_QAUTHZ_SIMPLE,
.instance_size = sizeof(QAuthZSimple),
.instance_finalize = qauthz_simple_finalize,
.class_size = sizeof(QAuthZSimpleClass),
.class_init = qauthz_simple_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
}
};
static void
qauthz_simple_register_types(void)
{
type_register_static(&qauthz_simple_info);
}
type_init(qauthz_simple_register_types);
-18
View File
@@ -1,18 +0,0 @@
# See docs/devel/tracing.txt for syntax documentation.
# base.c
qauthz_is_allowed(void *authz, const char *identity, bool allowed) "AuthZ %p check identity=%s allowed=%d"
# simple.c
qauthz_simple_is_allowed(void *authz, const char *wantidentity, const char *gotidentity) "AuthZ simple %p check want identity=%s got identity=%s"
# list.c
qauthz_list_check_rule(void *authz, const char *identity, const char *rule, int format, int policy) "AuthZ list %p check rule=%s identity=%s format=%d policy=%d"
qauthz_list_default_policy(void *authz, const char *identity, int policy) "AuthZ list %p default identity=%s policy=%d"
# listfile.c
qauthz_list_file_load(void *authz, const char *filename) "AuthZ file %p load filename=%s"
qauthz_list_file_refresh(void *authz, const char *filename, int success) "AuthZ file %p load filename=%s success=%d"
# pamacct.c
qauthz_pam_check(void *authz, const char *identity, const char *service) "AuthZ PAM %p identity=%s service=%s"
+5 -6
View File
@@ -1,19 +1,18 @@
common-obj-y += rng.o rng-egd.o rng-builtin.o
common-obj-y += rng.o rng-egd.o
common-obj-$(CONFIG_POSIX) += rng-random.o
common-obj-$(CONFIG_TPM) += tpm.o
common-obj-y += hostmem.o hostmem-ram.o
common-obj-$(CONFIG_POSIX) += hostmem-file.o
common-obj-$(CONFIG_LINUX) += hostmem-file.o
common-obj-y += cryptodev.o
common-obj-y += cryptodev-builtin.o
ifeq ($(CONFIG_VIRTIO_CRYPTO),y)
ifeq ($(CONFIG_VIRTIO),y)
common-obj-y += cryptodev-vhost.o
common-obj-$(CONFIG_VHOST_CRYPTO) += cryptodev-vhost-user.o
common-obj-$(call land,$(CONFIG_VHOST_USER),$(CONFIG_LINUX)) += \
cryptodev-vhost-user.o
endif
common-obj-$(call land,$(CONFIG_VHOST_USER),$(CONFIG_VIRTIO)) += vhost-user.o
common-obj-$(CONFIG_LINUX) += hostmem-memfd.o
+1
View File
@@ -23,6 +23,7 @@
#include "qemu/osdep.h"
#include "sysemu/cryptodev.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "standard-headers/linux/virtio_crypto.h"
#include "crypto/cipher.h"
+15 -4
View File
@@ -22,6 +22,7 @@
*/
#include "qemu/osdep.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
@@ -46,7 +47,7 @@
typedef struct CryptoDevBackendVhostUser {
CryptoDevBackend parent_obj;
VhostUserState vhost_user;
VhostUserState *vhost_user;
CharBackend chr;
char *chr_name;
bool opened;
@@ -103,7 +104,7 @@ cryptodev_vhost_user_start(int queues,
continue;
}
options.opaque = &s->vhost_user;
options.opaque = s->vhost_user;
options.backend_type = VHOST_BACKEND_TYPE_USER;
options.cc = b->conf.peers.ccs[i];
s->vhost_crypto[i] = cryptodev_vhost_init(&options);
@@ -181,6 +182,7 @@ static void cryptodev_vhost_user_init(
size_t i;
Error *local_err = NULL;
Chardev *chr;
VhostUserState *user;
CryptoDevBackendClient *cc;
CryptoDevBackendVhostUser *s =
CRYPTODEV_BACKEND_VHOST_USER(backend);
@@ -211,10 +213,15 @@ static void cryptodev_vhost_user_init(
}
}
if (!vhost_user_init(&s->vhost_user, &s->chr, errp)) {
user = vhost_user_init();
if (!user) {
error_setg(errp, "Failed to init vhost_user");
return;
}
user->chr = &s->chr;
s->vhost_user = user;
qemu_chr_fe_set_handlers(&s->chr, NULL, NULL,
cryptodev_vhost_user_event, NULL, s, NULL, true);
@@ -300,7 +307,11 @@ static void cryptodev_vhost_user_cleanup(
}
}
vhost_user_cleanup(&s->vhost_user);
if (s->vhost_user) {
vhost_user_cleanup(s->vhost_user);
g_free(s->vhost_user);
s->vhost_user = NULL;
}
}
static void cryptodev_vhost_user_set_chardev(Object *obj,
+1
View File
@@ -23,6 +23,7 @@
#include "qemu/osdep.h"
#include "sysemu/cryptodev.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "qapi/visitor.h"
#include "qemu/config-file.h"
+17 -60
View File
@@ -9,11 +9,9 @@
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "qemu-common.h"
#include "sysemu/hostmem.h"
#include "sysemu/sysemu.h"
#include "qom/object_interfaces.h"
@@ -33,21 +31,15 @@ typedef struct HostMemoryBackendFile HostMemoryBackendFile;
struct HostMemoryBackendFile {
HostMemoryBackend parent_obj;
bool discard_data;
char *mem_path;
uint64_t align;
bool discard_data;
bool is_pmem;
};
static void
file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
#ifndef CONFIG_POSIX
error_setg(errp, "backend '%s' not supported on this host",
object_get_typename(OBJECT(backend)));
#else
HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend);
gchar *name;
if (!backend->size) {
error_setg(errp, "can't create backend with size 0");
@@ -57,16 +49,19 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
error_setg(errp, "mem-path property not set");
return;
}
backend->force_prealloc = mem_prealloc;
name = host_memory_backend_get_name(backend);
memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
name,
backend->size, fb->align,
(backend->share ? RAM_SHARED : 0) |
(fb->is_pmem ? RAM_PMEM : 0),
fb->mem_path, errp);
g_free(name);
#ifndef CONFIG_LINUX
error_setg(errp, "-mem-path not supported on this host");
#else
if (!host_memory_backend_mr_inited(backend)) {
gchar *path;
backend->force_prealloc = mem_prealloc;
path = object_get_canonical_path(OBJECT(backend));
memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
path,
backend->size, fb->align, backend->share,
fb->mem_path, errp);
g_free(path);
}
#endif
}
@@ -83,8 +78,7 @@ static void set_mem_path(Object *o, const char *str, Error **errp)
HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
if (host_memory_backend_mr_inited(backend)) {
error_setg(errp, "cannot change property 'mem-path' of %s",
object_get_typename(o));
error_setg(errp, "cannot change property value");
return;
}
g_free(fb->mem_path);
@@ -122,8 +116,7 @@ static void file_memory_backend_set_align(Object *o, Visitor *v,
uint64_t val;
if (host_memory_backend_mr_inited(backend)) {
error_setg(&local_err, "cannot change property '%s' of %s",
name, object_get_typename(o));
error_setg(&local_err, "cannot change property value");
goto out;
}
@@ -137,39 +130,6 @@ static void file_memory_backend_set_align(Object *o, Visitor *v,
error_propagate(errp, local_err);
}
static bool file_memory_backend_get_pmem(Object *o, Error **errp)
{
return MEMORY_BACKEND_FILE(o)->is_pmem;
}
static void file_memory_backend_set_pmem(Object *o, bool value, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(o);
HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(o);
if (host_memory_backend_mr_inited(backend)) {
error_setg(errp, "cannot change property 'pmem' of %s.",
object_get_typename(o));
return;
}
#ifndef CONFIG_LIBPMEM
if (value) {
Error *local_err = NULL;
error_setg(&local_err,
"Lack of libpmem support while setting the 'pmem=on'"
" of %s. We can't ensure data persistence.",
object_get_typename(o));
error_propagate(errp, local_err);
return;
}
#endif
fb->is_pmem = value;
}
static void file_backend_unparent(Object *obj)
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
@@ -201,9 +161,6 @@ file_backend_class_init(ObjectClass *oc, void *data)
file_memory_backend_get_align,
file_memory_backend_set_align,
NULL, NULL, &error_abort);
object_class_property_add_bool(oc, "pmem",
file_memory_backend_get_pmem, file_memory_backend_set_pmem,
&error_abort);
}
static void file_backend_instance_finalize(Object *o)
+16 -28
View File
@@ -9,13 +9,12 @@
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "sysemu/hostmem.h"
#include "sysemu/sysemu.h"
#include "qom/object_interfaces.h"
#include "qemu/memfd.h"
#include "qemu/module.h"
#include "qapi/error.h"
#define TYPE_MEMORY_BACKEND_MEMFD "memory-backend-memfd"
@@ -45,6 +44,10 @@ memfd_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
return;
}
if (host_memory_backend_mr_inited(backend)) {
return;
}
backend->force_prealloc = mem_prealloc;
fd = qemu_memfd_create(TYPE_MEMORY_BACKEND_MEMFD, backend->size,
m->hugetlb, m->hugetlbsize, m->seal ?
@@ -54,10 +57,9 @@ memfd_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
return;
}
name = host_memory_backend_get_name(backend);
name = object_get_canonical_path(OBJECT(backend));
memory_region_init_ram_from_fd(&backend->mr, OBJECT(backend),
name, backend->size,
backend->share, fd, errp);
name, backend->size, true, fd, errp);
g_free(name);
}
@@ -129,7 +131,6 @@ memfd_backend_instance_init(Object *obj)
/* default to sealed file */
m->seal = true;
MEMORY_BACKEND(m)->share = true;
}
static void
@@ -139,29 +140,18 @@ memfd_backend_class_init(ObjectClass *oc, void *data)
bc->alloc = memfd_backend_memory_alloc;
if (qemu_memfd_check(MFD_HUGETLB)) {
object_class_property_add_bool(oc, "hugetlb",
memfd_backend_get_hugetlb,
memfd_backend_set_hugetlb,
&error_abort);
object_class_property_set_description(oc, "hugetlb",
"Use huge pages",
&error_abort);
object_class_property_add(oc, "hugetlbsize", "int",
memfd_backend_get_hugetlbsize,
memfd_backend_set_hugetlbsize,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "hugetlbsize",
"Huge pages size (ex: 2M, 1G)",
&error_abort);
}
object_class_property_add_bool(oc, "hugetlb",
memfd_backend_get_hugetlb,
memfd_backend_set_hugetlb,
&error_abort);
object_class_property_add(oc, "hugetlbsize", "int",
memfd_backend_get_hugetlbsize,
memfd_backend_set_hugetlbsize,
NULL, NULL, &error_abort);
object_class_property_add_bool(oc, "seal",
memfd_backend_get_seal,
memfd_backend_set_seal,
&error_abort);
object_class_property_set_description(oc, "seal",
"Seal growing & shrinking",
&error_abort);
}
static const TypeInfo memfd_backend_info = {
@@ -174,9 +164,7 @@ static const TypeInfo memfd_backend_info = {
static void register_types(void)
{
if (qemu_memfd_check(MFD_ALLOW_SEALING)) {
type_register_static(&memfd_backend_info);
}
type_register_static(&memfd_backend_info);
}
type_init(register_types);
+5 -6
View File
@@ -9,29 +9,28 @@
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "sysemu/hostmem.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qom/object_interfaces.h"
#define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
static void
ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
char *name;
char *path;
if (!backend->size) {
error_setg(errp, "can't create backend with size 0");
return;
}
name = host_memory_backend_get_name(backend);
memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), name,
path = object_get_canonical_path_component(OBJECT(backend));
memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), path,
backend->size, backend->share, errp);
g_free(name);
g_free(path);
}
static void
+11 -76
View File
@@ -12,7 +12,6 @@
#include "qemu/osdep.h"
#include "sysemu/hostmem.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
#include "qapi/error.h"
#include "qapi/qapi-builtin-visit.h"
@@ -29,16 +28,6 @@ QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_BIND != MPOL_BIND);
QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_INTERLEAVE != MPOL_INTERLEAVE);
#endif
char *
host_memory_backend_get_name(HostMemoryBackend *backend)
{
if (!backend->use_canonical_path) {
return object_get_canonical_path_component(OBJECT(backend));
}
return object_get_canonical_path(OBJECT(backend));
}
static void
host_memory_backend_get_size(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
@@ -58,8 +47,7 @@ host_memory_backend_set_size(Object *obj, Visitor *v, const char *name,
uint64_t value;
if (host_memory_backend_mr_inited(backend)) {
error_setg(&local_err, "cannot change property %s of %s ",
name, object_get_typename(obj));
error_setg(&local_err, "cannot change property value");
goto out;
}
@@ -68,9 +56,8 @@ host_memory_backend_set_size(Object *obj, Visitor *v, const char *name,
goto out;
}
if (!value) {
error_setg(&local_err,
"property '%s' of %s doesn't take value '%" PRIu64 "'",
name, object_get_typename(obj), value);
error_setg(&local_err, "Property '%s.%s' doesn't take value '%"
PRIu64 "'", object_get_typename(obj), name, value);
goto out;
}
backend->size = value;
@@ -89,7 +76,7 @@ host_memory_backend_get_host_nodes(Object *obj, Visitor *v, const char *name,
value = find_first_bit(backend->host_nodes, MAX_NODES);
if (value == MAX_NODES) {
goto ret;
return;
}
*node = g_malloc0(sizeof(**node));
@@ -107,7 +94,6 @@ host_memory_backend_get_host_nodes(Object *obj, Visitor *v, const char *name,
node = &(*node)->next;
} while (true);
ret:
visit_type_uint16List(v, name, &host_nodes, errp);
}
@@ -117,23 +103,14 @@ host_memory_backend_set_host_nodes(Object *obj, Visitor *v, const char *name,
{
#ifdef CONFIG_NUMA
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
uint16List *l, *host_nodes = NULL;
uint16List *l = NULL;
visit_type_uint16List(v, name, &host_nodes, errp);
visit_type_uint16List(v, name, &l, errp);
for (l = host_nodes; l; l = l->next) {
if (l->value >= MAX_NODES) {
error_setg(errp, "Invalid host-nodes value: %d", l->value);
goto out;
}
}
for (l = host_nodes; l; l = l->next) {
while (l) {
bitmap_set(backend->host_nodes, l->value, 1);
l = l->next;
}
out:
qapi_free_uint16List(host_nodes);
#else
error_setg(errp, "NUMA node binding are not supported by this QEMU");
#endif
@@ -223,7 +200,6 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
{
Error *local_err = NULL;
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
MachineState *ms = MACHINE(qdev_get_machine());
if (backend->force_prealloc) {
if (value) {
@@ -243,7 +219,7 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
void *ptr = memory_region_get_ram_ptr(&backend->mr);
uint64_t sz = memory_region_size(&backend->mr);
os_mem_prealloc(fd, ptr, sz, ms->smp.cpus, &local_err);
os_mem_prealloc(fd, ptr, sz, smp_cpus, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@@ -262,11 +238,6 @@ static void host_memory_backend_init(Object *obj)
backend->prealloc = mem_prealloc;
}
static void host_memory_backend_post_init(Object *obj)
{
object_apply_compat_props(obj);
}
bool host_memory_backend_mr_inited(HostMemoryBackend *backend)
{
/*
@@ -304,7 +275,7 @@ size_t host_memory_backend_pagesize(HostMemoryBackend *memdev)
#else
size_t host_memory_backend_pagesize(HostMemoryBackend *memdev)
{
return qemu_real_host_page_size;
return getpagesize();
}
#endif
@@ -313,7 +284,6 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(uc);
HostMemoryBackendClass *bc = MEMORY_BACKEND_GET_CLASS(uc);
MachineState *ms = MACHINE(qdev_get_machine());
Error *local_err = NULL;
void *ptr;
uint64_t sz;
@@ -378,7 +348,7 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
*/
if (backend->prealloc) {
os_mem_prealloc(memory_region_get_fd(&backend->mr), ptr, sz,
ms->smp.cpus, &local_err);
smp_cpus, &local_err);
if (local_err) {
goto out;
}
@@ -416,23 +386,6 @@ static void host_memory_backend_set_share(Object *o, bool value, Error **errp)
backend->share = value;
}
static bool
host_memory_backend_get_use_canonical_path(Object *obj, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
return backend->use_canonical_path;
}
static void
host_memory_backend_set_use_canonical_path(Object *obj, bool value,
Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
backend->use_canonical_path = value;
}
static void
host_memory_backend_class_init(ObjectClass *oc, void *data)
{
@@ -444,44 +397,27 @@ host_memory_backend_class_init(ObjectClass *oc, void *data)
object_class_property_add_bool(oc, "merge",
host_memory_backend_get_merge,
host_memory_backend_set_merge, &error_abort);
object_class_property_set_description(oc, "merge",
"Mark memory as mergeable", &error_abort);
object_class_property_add_bool(oc, "dump",
host_memory_backend_get_dump,
host_memory_backend_set_dump, &error_abort);
object_class_property_set_description(oc, "dump",
"Set to 'off' to exclude from core dump", &error_abort);
object_class_property_add_bool(oc, "prealloc",
host_memory_backend_get_prealloc,
host_memory_backend_set_prealloc, &error_abort);
object_class_property_set_description(oc, "prealloc",
"Preallocate memory", &error_abort);
object_class_property_add(oc, "size", "int",
host_memory_backend_get_size,
host_memory_backend_set_size,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "size",
"Size of the memory region (ex: 500M)", &error_abort);
object_class_property_add(oc, "host-nodes", "int",
host_memory_backend_get_host_nodes,
host_memory_backend_set_host_nodes,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "host-nodes",
"Binds memory to the list of NUMA host nodes", &error_abort);
object_class_property_add_enum(oc, "policy", "HostMemPolicy",
&HostMemPolicy_lookup,
host_memory_backend_get_policy,
host_memory_backend_set_policy, &error_abort);
object_class_property_set_description(oc, "policy",
"Set the NUMA policy", &error_abort);
object_class_property_add_bool(oc, "share",
host_memory_backend_get_share, host_memory_backend_set_share,
&error_abort);
object_class_property_set_description(oc, "share",
"Mark the memory as private to QEMU or shared", &error_abort);
object_class_property_add_bool(oc, "x-use-canonical-path-for-ramblock-id",
host_memory_backend_get_use_canonical_path,
host_memory_backend_set_use_canonical_path, &error_abort);
}
static const TypeInfo host_memory_backend_info = {
@@ -492,7 +428,6 @@ static const TypeInfo host_memory_backend_info = {
.class_init = host_memory_backend_class_init,
.instance_size = sizeof(HostMemoryBackend),
.instance_init = host_memory_backend_init,
.instance_post_init = host_memory_backend_post_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_USER_CREATABLE },
{ }
-77
View File
@@ -1,77 +0,0 @@
/*
* QEMU Builtin Random Number Generator Backend
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "sysemu/rng.h"
#include "qemu/main-loop.h"
#include "qemu/guest-random.h"
#define RNG_BUILTIN(obj) OBJECT_CHECK(RngBuiltin, (obj), TYPE_RNG_BUILTIN)
typedef struct RngBuiltin {
RngBackend parent;
QEMUBH *bh;
} RngBuiltin;
static void rng_builtin_receive_entropy_bh(void *opaque)
{
RngBuiltin *s = opaque;
while (!QSIMPLEQ_EMPTY(&s->parent.requests)) {
RngRequest *req = QSIMPLEQ_FIRST(&s->parent.requests);
qemu_guest_getrandom_nofail(req->data, req->size);
req->receive_entropy(req->opaque, req->data, req->size);
rng_backend_finalize_request(&s->parent, req);
}
}
static void rng_builtin_request_entropy(RngBackend *b, RngRequest *req)
{
RngBuiltin *s = RNG_BUILTIN(b);
qemu_bh_schedule(s->bh);
}
static void rng_builtin_init(Object *obj)
{
RngBuiltin *s = RNG_BUILTIN(obj);
s->bh = qemu_bh_new(rng_builtin_receive_entropy_bh, s);
}
static void rng_builtin_finalize(Object *obj)
{
RngBuiltin *s = RNG_BUILTIN(obj);
qemu_bh_delete(s->bh);
}
static void rng_builtin_class_init(ObjectClass *klass, void *data)
{
RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);
rbc->request_entropy = rng_builtin_request_entropy;
}
static const TypeInfo rng_builtin_info = {
.name = TYPE_RNG_BUILTIN,
.parent = TYPE_RNG_BACKEND,
.instance_size = sizeof(RngBuiltin),
.instance_init = rng_builtin_init,
.instance_finalize = rng_builtin_finalize,
.class_init = rng_builtin_class_init,
};
static void register_types(void)
{
type_register_static(&rng_builtin_info);
}
type_init(register_types);
-1
View File
@@ -15,7 +15,6 @@
#include "chardev/char-fe.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/module.h"
#define TYPE_RNG_EGD "rng-egd"
#define RNG_EGD(obj) OBJECT_CHECK(RngEgd, (obj), TYPE_RNG_EGD)
+1 -2
View File
@@ -16,7 +16,6 @@
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
struct RngRandom
{
@@ -113,7 +112,7 @@ static void rng_random_init(Object *obj)
rng_random_set_filename,
NULL);
s->filename = g_strdup("/dev/urandom");
s->filename = g_strdup("/dev/random");
s->fd = -1;
}
-1
View File
@@ -14,7 +14,6 @@
#include "sysemu/rng.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/module.h"
#include "qom/object_interfaces.h"
void rng_backend_request_entropy(RngBackend *s, size_t size,
-1
View File
@@ -18,7 +18,6 @@
#include "sysemu/tpm.h"
#include "qemu/thread.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "block/thread-pool.h"
#include "qemu/error-report.h"
-208
View File
@@ -1,208 +0,0 @@
/*
* QEMU vhost-user backend
*
* Copyright (C) 2018 Red Hat Inc
*
* Authors:
* Marc-André Lureau <marcandre.lureau@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
#include "qom/object_interfaces.h"
#include "sysemu/vhost-user-backend.h"
#include "sysemu/kvm.h"
#include "io/channel-command.h"
#include "hw/virtio/virtio-bus.h"
static bool
ioeventfd_enabled(void)
{
return kvm_enabled() && kvm_eventfds_enabled();
}
int
vhost_user_backend_dev_init(VhostUserBackend *b, VirtIODevice *vdev,
unsigned nvqs, Error **errp)
{
int ret;
assert(!b->vdev && vdev);
if (!ioeventfd_enabled()) {
error_setg(errp, "vhost initialization failed: requires kvm");
return -1;
}
if (!vhost_user_init(&b->vhost_user, &b->chr, errp)) {
return -1;
}
b->vdev = vdev;
b->dev.nvqs = nvqs;
b->dev.vqs = g_new0(struct vhost_virtqueue, nvqs);
ret = vhost_dev_init(&b->dev, &b->vhost_user, VHOST_BACKEND_TYPE_USER, 0);
if (ret < 0) {
error_setg_errno(errp, -ret, "vhost initialization failed");
return -1;
}
return 0;
}
void
vhost_user_backend_start(VhostUserBackend *b)
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(b->vdev)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
int ret, i ;
if (b->started) {
return;
}
if (!k->set_guest_notifiers) {
error_report("binding does not support guest notifiers");
return;
}
ret = vhost_dev_enable_notifiers(&b->dev, b->vdev);
if (ret < 0) {
return;
}
ret = k->set_guest_notifiers(qbus->parent, b->dev.nvqs, true);
if (ret < 0) {
error_report("Error binding guest notifier");
goto err_host_notifiers;
}
b->dev.acked_features = b->vdev->guest_features;
ret = vhost_dev_start(&b->dev, b->vdev);
if (ret < 0) {
error_report("Error start vhost dev");
goto err_guest_notifiers;
}
/* guest_notifier_mask/pending not used yet, so just unmask
* everything here. virtio-pci will do the right thing by
* enabling/disabling irqfd.
*/
for (i = 0; i < b->dev.nvqs; i++) {
vhost_virtqueue_mask(&b->dev, b->vdev,
b->dev.vq_index + i, false);
}
b->started = true;
return;
err_guest_notifiers:
k->set_guest_notifiers(qbus->parent, b->dev.nvqs, false);
err_host_notifiers:
vhost_dev_disable_notifiers(&b->dev, b->vdev);
}
void
vhost_user_backend_stop(VhostUserBackend *b)
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(b->vdev)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
int ret = 0;
if (!b->started) {
return;
}
vhost_dev_stop(&b->dev, b->vdev);
if (k->set_guest_notifiers) {
ret = k->set_guest_notifiers(qbus->parent,
b->dev.nvqs, false);
if (ret < 0) {
error_report("vhost guest notifier cleanup failed: %d", ret);
}
}
assert(ret >= 0);
vhost_dev_disable_notifiers(&b->dev, b->vdev);
b->started = false;
}
static void set_chardev(Object *obj, const char *value, Error **errp)
{
VhostUserBackend *b = VHOST_USER_BACKEND(obj);
Chardev *chr;
if (b->completed) {
error_setg(errp, QERR_PERMISSION_DENIED);
return;
}
g_free(b->chr_name);
b->chr_name = g_strdup(value);
chr = qemu_chr_find(b->chr_name);
if (chr == NULL) {
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
"Chardev '%s' not found", b->chr_name);
return;
}
if (!qemu_chr_fe_init(&b->chr, chr, errp)) {
return;
}
b->completed = true;
/* could call vhost_dev_init() so early message can be exchanged */
}
static char *get_chardev(Object *obj, Error **errp)
{
VhostUserBackend *b = VHOST_USER_BACKEND(obj);
Chardev *chr = qemu_chr_fe_get_driver(&b->chr);
if (chr && chr->label) {
return g_strdup(chr->label);
}
return NULL;
}
static void vhost_user_backend_init(Object *obj)
{
object_property_add_str(obj, "chardev", get_chardev, set_chardev, NULL);
}
static void vhost_user_backend_finalize(Object *obj)
{
VhostUserBackend *b = VHOST_USER_BACKEND(obj);
g_free(b->dev.vqs);
g_free(b->chr_name);
vhost_user_cleanup(&b->vhost_user);
qemu_chr_fe_deinit(&b->chr, true);
}
static const TypeInfo vhost_user_backend_info = {
.name = TYPE_VHOST_USER_BACKEND,
.parent = TYPE_OBJECT,
.instance_size = sizeof(VhostUserBackend),
.instance_init = vhost_user_backend_init,
.instance_finalize = vhost_user_backend_finalize,
.class_size = sizeof(VhostUserBackendClass),
};
static void register_types(void)
{
type_register_static(&vhost_user_backend_info);
}
type_init(register_types);
+5 -10
View File
@@ -25,7 +25,8 @@
*/
#include "qemu/osdep.h"
#include "qemu/atomic.h"
#include "qemu-common.h"
#include "exec/cpu-common.h"
#include "sysemu/kvm.h"
#include "sysemu/balloon.h"
#include "trace-root.h"
@@ -36,22 +37,16 @@
static QEMUBalloonEvent *balloon_event_fn;
static QEMUBalloonStatus *balloon_stat_fn;
static void *balloon_opaque;
static int balloon_inhibit_count;
static bool balloon_inhibited;
bool qemu_balloon_is_inhibited(void)
{
return atomic_read(&balloon_inhibit_count) > 0;
return balloon_inhibited;
}
void qemu_balloon_inhibit(bool state)
{
if (state) {
atomic_inc(&balloon_inhibit_count);
} else {
atomic_dec(&balloon_inhibit_count);
}
assert(atomic_read(&balloon_inhibit_count) >= 0);
balloon_inhibited = state;
}
static bool have_balloon(Error **errp)
+611 -1840
View File
File diff suppressed because it is too large Load Diff
+10 -26
View File
@@ -1,18 +1,10 @@
block-obj-y += raw-format.o vmdk.o vpc.o
block-obj-$(CONFIG_QCOW1) += qcow.o
block-obj-$(CONFIG_VDI) += vdi.o
block-obj-$(CONFIG_CLOOP) += cloop.o
block-obj-$(CONFIG_BOCHS) += bochs.o
block-obj-$(CONFIG_VVFAT) += vvfat.o
block-obj-$(CONFIG_DMG) += dmg.o
block-obj-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o qcow2-cache.o qcow2-bitmap.o qcow2-threads.o
block-obj-$(CONFIG_QED) += qed.o qed-l2-cache.o qed-table.o qed-cluster.o
block-obj-$(CONFIG_QED) += qed-check.o
block-obj-y += raw-format.o qcow.o vdi.o vmdk.o cloop.o bochs.o vpc.o vvfat.o dmg.o
block-obj-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o qcow2-cache.o qcow2-bitmap.o
block-obj-y += qed.o qed-l2-cache.o qed-table.o qed-cluster.o
block-obj-y += qed-check.o
block-obj-y += vhdx.o vhdx-endian.o vhdx-log.o
block-obj-y += quorum.o
block-obj-y += blkdebug.o blkverify.o blkreplay.o
block-obj-$(CONFIG_PARALLELS) += parallels.o
block-obj-y += parallels.o blkdebug.o blkverify.o blkreplay.o
block-obj-y += blklogwrites.o
block-obj-y += block-backend.o snapshot.o qapi.o
block-obj-$(CONFIG_WIN32) += file-win32.o win32-aio.o
@@ -22,8 +14,7 @@ block-obj-y += null.o mirror.o commit.o io.o create.o
block-obj-y += throttle-groups.o
block-obj-$(CONFIG_LINUX) += nvme.o
block-obj-y += nbd.o
block-obj-$(CONFIG_SHEEPDOG) += sheepdog.o
block-obj-y += nbd.o nbd-client.o sheepdog.o
block-obj-$(CONFIG_LIBISCSI) += iscsi.o
block-obj-$(if $(CONFIG_LIBISCSI),y,n) += iscsi-opts.o
block-obj-$(CONFIG_LIBNFS) += nfs.o
@@ -31,19 +22,15 @@ block-obj-$(CONFIG_CURL) += curl.o
block-obj-$(CONFIG_RBD) += rbd.o
block-obj-$(CONFIG_GLUSTERFS) += gluster.o
block-obj-$(CONFIG_VXHS) += vxhs.o
block-obj-$(CONFIG_LIBSSH) += ssh.o
block-obj-$(CONFIG_LIBSSH2) += ssh.o
block-obj-y += accounting.o dirty-bitmap.o
block-obj-y += write-threshold.o
block-obj-y += backup.o
block-obj-$(CONFIG_REPLICATION) += replication.o
block-obj-y += throttle.o copy-on-read.o
block-obj-y += block-copy.o
block-obj-y += crypto.o
block-obj-y += aio_task.o
block-obj-y += backup-top.o
common-obj-y += stream.o
nfs.o-libs := $(LIBNFS_LIBS)
@@ -56,13 +43,10 @@ rbd.o-libs := $(RBD_LIBS)
gluster.o-cflags := $(GLUSTERFS_CFLAGS)
gluster.o-libs := $(GLUSTERFS_LIBS)
vxhs.o-libs := $(VXHS_LIBS)
ssh.o-cflags := $(LIBSSH_CFLAGS)
ssh.o-libs := $(LIBSSH_LIBS)
block-obj-dmg-bz2-$(CONFIG_BZIP2) += dmg-bz2.o
block-obj-$(if $(CONFIG_DMG),m,n) += $(block-obj-dmg-bz2-y)
ssh.o-cflags := $(LIBSSH2_CFLAGS)
ssh.o-libs := $(LIBSSH2_LIBS)
block-obj-$(if $(CONFIG_BZIP2),m,n) += dmg-bz2.o
dmg-bz2.o-libs := $(BZIP2_LIBS)
block-obj-$(if $(CONFIG_LZFSE),m,n) += dmg-lzfse.o
dmg-lzfse.o-libs := $(LZFSE_LIBS)
qcow.o-libs := -lz
linux-aio.o-libs := -laio
parallels.o-cflags := $(LIBXML2_CFLAGS)
-6
View File
@@ -195,10 +195,6 @@ static void block_account_one_io(BlockAcctStats *stats, BlockAcctCookie *cookie,
assert(cookie->type < BLOCK_MAX_IOTYPE);
if (cookie->type == BLOCK_ACCT_NONE) {
return;
}
qemu_mutex_lock(&stats->lock);
if (failed) {
@@ -221,8 +217,6 @@ static void block_account_one_io(BlockAcctStats *stats, BlockAcctCookie *cookie,
}
qemu_mutex_unlock(&stats->lock);
cookie->type = BLOCK_ACCT_NONE;
}
void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie)

Some files were not shown because too many files have changed in this diff Show More