Subversion Repositories or1k

/*

 *  linux/kernel/panic.c

 *

 *  Copyright (C) 1991, 1992  Linus Torvalds

 *

 *  Revisions for CONFIG_CONSOLE by Kenneth Albanowski

 *  Copyright (c) 1997, 1998 The Silver Hammer Group, Ltd.

 *

 */

/*

 * 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>

#ifdef CONFIG_NETtel

#include <asm/coldfire.h>

#include <asm/mcfsim.h>

#include <asm/nettel.h>

#endif

asmlinkage void sys_sync(void); /* it's really int */

extern void hard_reset_now(void);

extern void do_unblank_screen(void);

extern void DAC960_Finalize(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();

#ifdef CONFIG_CONSOLE

        do_unblank_screen();

#endif /* CONFIG_CONSOLE */

        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_BLK_DEV_DAC960

                DAC960_Finalize();

#endif

#ifdef CONFIG_SCSI_GDTH

                gdth_halt();

#endif

                hard_reset_now();

        }

#ifdef CONFIG_NETtel

        nettel_panic();

#endif

        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)");

}