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Author SHA1 Message Date
Richard Kuo a9a44fdf32 Hexagon: update CR year for elf.h 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:02 -05:00
Richard Kuo 93f9d110b2 Hexagon: remove SP macro 
The SP/r29 macro wasn't used anywhere else and was causing conflicts
with another module, so just remove it.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:02 -05:00
Richard Kuo efaa5cbdca Hexagon: set ELF_EXEC_PAGESIZE to PAGE_SIZE 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:02 -05:00
Richard Kuo 446b6cb8de Hexagon: set the e_flags in user regset view for core dumps 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:02 -05:00
Richard Kuo b10fa7b62d Hexagon: fix atomic_set 
Normal writes in our our architecture don't invalidate lock
reservations.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:02 -05:00
Richard Kuo 17ca896dae Hexagon: add screen_info for VGA_CONSOLE 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2014-04-04 18:20:01 -05:00
Richard Kuo 13a95c4813 Hexagon: fix register used to call do_work_pending 
ABI v2 callee saves start at R24.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-05-07 11:37:53 -05:00
Richard Kuo 426d29ccb2 Hexagon: add v4 CS regs to core copyout macro 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:29 -05:00
Richard Kuo 5c883b462a Hexagon: use correct translation for VMALLOC_START 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:29 -05:00
Richard Kuo 5e1150542f Hexagon: use correct translations for DMA mappings 
With physical offsets, pa<->va translations aren't just based
on PAGE_OFFSET anymore.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:28 -05:00
Richard Kuo c710f59087 Hexagon: fix return value for notify_resume case in do_work_pending 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo 610208bc8d Hexagon: fix signal number for user mem faults 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo 7c6a5df44f Hexagon: update copyright dates 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo 7959bd76a1 Hexagon: add translation types for __vmnewmap 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:27 -05:00
Richard Kuo f3f601c1d2 Hexagon: fix signal.c compile error 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 0d3ab450a7 Hexagon: break up user fn/arg register setting 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo c05c3ec401 Hexagon: use generic sys_fork, sys_vfork, and sys_clone 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 8209277687 Hexagon: fix psp/sp macro 
Based on feedback from Al Viro; previous-stack-pointer and
user reg for same should always be kept consistent.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 3981c4728b Hexagon: fix up int enable/disable at ret_from_fork 
Check return coming out of check_work_pending, and if copy_thread
passed us a function in r24, call it.  Based on feedback from Al
Viro.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:26 -05:00
Richard Kuo 1ce81f4f87 Hexagon: add IOMEM and _relaxed IO macros 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo f167063a0c Hexagon: switch to using the device type for IO mappings 
Uncached on our architecture can still have side effects
such as canceled/replayed transactions; device type prevents
this.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo 2b3c744c3b Hexagon: don't print info for offline CPU's 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo 7777746c40 Hexagon: add support for single-stepping (v4+) 
Hardware single-step is only available on v4 and later
architectures.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:25 -05:00
Richard Kuo f8722a4d52 Hexagon: use correct work mask when checking for more work 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo db0fe532db Hexagon: add support for additional exceptions 
Add multi-reg-write and unaligned-PC exceptions.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo 20f704b69a Hexagon: fix initial page table setup prior to jump to VA 
Use the exact number of pages needed to be mapped pre-VA-jump,
then map 896MB afterwards, which the arch mem init will fix up.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo 0357d2f2a8 Hexagon: remove keyring related call 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo 9cdae82d14 Hexagon: check to if we will overflow the signal stack 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo a11e67c261 Hexagon: Signal and return path fixes 
This fixes the return value of sigreturn and moves the work pending check
into a c routine for readability and fixes the loop for multiple pending
signals.  Based on feedback from Al Viro.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:24 -05:00
Richard Kuo 60c4ba99e0 Hexagon: add support for new v4+ registers 
Add support for a couple new v4+ registers, along with
newer save/restore pt_regs.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo 444dd742d3 Hexagon: add individual register access for switch_stack 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo e470d932ce Hexagon: use defines for MIN_KERNEL_SEG calculation 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:23 -05:00
Richard Kuo 53debcd518 Hexagon: use GENERIC_CPU_DEVICES 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo 66b03dbfe6 Hexagon: change arch version config to allow comparisons 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo 8f5a0b9dff Hexagon: add support for ARCH_PFN_OFFSET 
Add support for loading the kernel at a physical offset.  The
offset should still be 4M aligned.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo e0025a72c3 Hexagon: fix __atomic_add_unless 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo 22493cfd78 Hexagon: clean up generic headers in Kbuild 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2013-04-30 19:40:22 -05:00
Richard Kuo e1858b2a21 Hexagon: Copyright marking changes 
Code Aurora Forum (CAF) is becoming a part of Linux Foundation Labs.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2012-10-18 17:07:21 -05:00
Richard Kuo 5042ab91c4 various Kconfig cleanup and old platform build code removal 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2012-05-22 18:44:43 -05:00
Richard Kuo e00574b7f3 hexagon: add missing cpu.h include 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2012-04-23 12:57:24 -05:00
Richard Kuo e8e42a5cff hexagon: use renamed tick_nohz_idle_* functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2012-04-23 12:56:57 -05:00
Richard Kuo 6bbbc30ce6 Hexagon: misc compile warning/error cleanup due to missing headers 
Fixed warnings/errors for EXPORT_SYMBOL, linux_binprm, elf related
defines

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
 2012-04-23 12:56:41 -05:00
Richard Kuo 4f4567cf4f Hexagon: Add self to MAINTAINERS 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:21 -07:00
Richard Kuo 74d04d6ffd Hexagon: Add basic stacktrace functionality for Hexagon architecture. 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:21 -07:00
Richard Kuo e95bf452a9 Hexagon: Add configuration and makefiles for the Hexagon architecture. 
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:21 -07:00
Richard Kuo 60e1323156 Hexagon: Comet platform support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:21 -07:00
Richard Kuo 499236d9db Hexagon: Add page-fault support. 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo a7e7984099 Hexagon: Add page table header files & etc. 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo b7f3785fbb Hexagon: Add ioremap support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 65c3d7c525 Hexagon: Provide DMA implementation 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 5df87c1556 Hexagon: Implement basic TLB management routines for Hexagon. 
Mostly all stubs, as the TLB is managed by the hypervisor.

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 2d3cbc7804 Hexagon: Implement basic cache-flush support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 013bf24c38 Hexagon: Provide basic implementation and/or stubs for I/O routines. 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 7567746e1c Hexagon: Add user access functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo dd472da380 Hexagon: Add locking types and functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo 43afdf5083 Hexagon: Add SMP support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:20 -07:00
Richard Kuo cf9750bae2 Hexagon: Provide basic debugging and system trap support. 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo 39e89c9fc5 Hexagon: Add ptrace support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo 71e4a47f32 Hexagon: Add time and timer functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo 2ac211bc42 Hexagon: Add interrupts 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo e03167b26b Hexagon: Add startup code 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo 4b30f9652e Hexagon: Add init_task and process functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo cd5b61d6f4 Hexagon: Add signal functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo e49ee2906c Hexagon: Add hypervisor interface 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:19 -07:00
Richard Kuo c150290df4 Hexagon: Add memcpy and memset accelerated functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 075a46a049 Hexagon: Add checksum functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo b7840983e8 Hexagon: Add delay functions 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 52f710249e Hexagon: Add threadinfo 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 99a70aa051 Hexagon: Add processor and system headers 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo b9398a8459 Hexagon: Add syscalls 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 750850189b Hexagon: Add atomic ops support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo a86a7ce30a Hexagon: Add bitops support 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo 8feca0e182 Hexagon: Core arch-specific header files 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00
Richard Kuo cd8e65fb96 Hexagon: Add generic headers 
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2011-11-01 07:34:18 -07:00