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/*
* linux/kernel/panic.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
/*
* This function is used through-out the kernel (including mm and fs)
* to indicate a major problem.
*/
#include <stdarg.h>
#include <linux/config.h> /* CONFIG_SCSI_GDTH */
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/delay.h>
asmlinkage void sys_sync(void); /* it's really int */
extern void hard_reset_now(void);
extern void do_unblank_screen(void);
extern void gdth_halt(void);
extern int C_A_D;
int panic_timeout = 0;
void panic_setup(char *str, int *ints)
{
if (ints[0] == 1)
panic_timeout = ints[1];
}
NORET_TYPE void panic(const char * fmt, ...)
{
static char buf[1024];
va_list args;
int i;
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
printk(KERN_EMERG "Kernel panic: %s\n",buf);
if (current == task[0])
printk(KERN_EMERG "In swapper task - not syncing\n");
else
sys_sync();
do_unblank_screen();
if (panic_timeout > 0)
{
/*
* Delay timeout seconds before rebooting the machine.
* We can't use the "normal" timers since we just panicked..
*/
printk(KERN_EMERG "Rebooting in %d seconds..",panic_timeout);
for(i = 0; i < (panic_timeout*1000); i++)
udelay(1000);
#ifdef CONFIG_SCSI_GDTH
gdth_halt();
#endif
hard_reset_now();
}
for(;;);
}
/*
* GCC 2.5.8 doesn't always optimize correctly; see include/asm/segment.h
*/
int bad_user_access_length(void)
{
panic("bad_user_access_length executed (not cool, dude)");
}
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