mirror of
https://github.com/clearlinux/graphene.git
synced 2026-10-03 15:39:36 +00:00
Chia-Che Tsai
7f19f62f31
Plenty of bugfixes for Linux kernel later than 3.5 and Ubuntu later than 10.10. More organized code to improve portability. Regression tests for Pal to test completeness of implementation.
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
|
|
/* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
|
|
|
|
/* This Hello World simply print out "Hello World" */
|
|
|
|
#include "pal.h"
|
|
#include "pal_debug.h"
|
|
|
|
void handler1 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context)
|
|
{
|
|
pal_printf("Div-by-Zero Exception Handler 1: %p, rip = %p\n",
|
|
arg, context->rip);
|
|
|
|
while (*(unsigned char *) context->rip != 0x90)
|
|
context->rip++;
|
|
|
|
DkExceptionReturn(event);
|
|
}
|
|
|
|
void handler2 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context)
|
|
{
|
|
pal_printf("Div-by-Zero Exception Handler 2: %p, rip = %p\n",
|
|
arg, context->rip);
|
|
|
|
while (*(unsigned char *) context->rip != 0x90)
|
|
context->rip++;
|
|
|
|
DkExceptionReturn(event);
|
|
}
|
|
|
|
void handler3 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context)
|
|
{
|
|
pal_printf("Memory Fault Exception Handler: %p, rip = %p\n",
|
|
arg, context->rip);
|
|
|
|
while (*(unsigned char *) context->rip != 0x90)
|
|
context->rip++;
|
|
|
|
DkExceptionReturn(event);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
volatile long i;
|
|
|
|
DkSetExceptionHandler(handler1, PAL_EVENT_DIVZERO, 0);
|
|
i = 0;
|
|
i = 1 / i;
|
|
asm volatile("nop");
|
|
|
|
DkSetExceptionHandler(handler2, PAL_EVENT_DIVZERO, 0);
|
|
i = 0;
|
|
i = 1 / i;
|
|
asm volatile("nop");
|
|
|
|
DkSetExceptionHandler(handler3, PAL_EVENT_MEMFAULT, 0);
|
|
*(volatile long *) 0x10000 = 0;
|
|
asm volatile("nop");
|
|
|
|
return 0;
|
|
}
|