linux/arch/mips/kernel/reset.c

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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
* Copyright (C) 2001 MIPS Technologies, Inc.
*/
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/pm.h>
#include <linux/types.h>
#include <linux/reboot.h>
#include <linux/delay.h>
#include <asm/reboot.h>
/*
* Urgs ... Too many MIPS machines to handle this in a generic way.
* So handle all using function pointers to machine specific
* functions.
*/
void (*_machine_restart)(char *command);
void (*_machine_halt)(void);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
void machine_restart(char *command)
{
if (_machine_restart)
_machine_restart(command);
#ifdef CONFIG_SMP
preempt_disable();
smp_send_stop();
#endif
do_kernel_restart(command);
mdelay(1000);
pr_emerg("Reboot failed -- System halted\n");
local_irq_disable();
while (1);
}
void machine_halt(void)
{
if (_machine_halt)
_machine_halt();
#ifdef CONFIG_SMP
preempt_disable();
smp_send_stop();
#endif
local_irq_disable();
while (1);
}
void machine_power_off(void)
{
if (pm_power_off)
pm_power_off();
#ifdef CONFIG_SMP
preempt_disable();
smp_send_stop();
#endif
local_irq_disable();
while (1);
}