54 lines
1016 B
C
54 lines
1016 B
C
/* reboot.c: reboot/shutdown/halt/poweroff handling
|
|
*
|
|
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/reboot.h>
|
|
#include <linux/module.h>
|
|
#include <linux/pm.h>
|
|
|
|
#include <asm/system.h>
|
|
#include <asm/oplib.h>
|
|
#include <asm/prom.h>
|
|
|
|
/* sysctl - toggle power-off restriction for serial console
|
|
* systems in machine_power_off()
|
|
*/
|
|
int scons_pwroff = 1;
|
|
|
|
/* This isn't actually used, it exists merely to satisfy the
|
|
* reference in kernel/sys.c
|
|
*/
|
|
void (*pm_power_off)(void) = machine_power_off;
|
|
EXPORT_SYMBOL(pm_power_off);
|
|
|
|
void machine_power_off(void)
|
|
{
|
|
if (strcmp(of_console_device->type, "serial") || scons_pwroff)
|
|
prom_halt_power_off();
|
|
|
|
prom_halt();
|
|
}
|
|
|
|
void machine_halt(void)
|
|
{
|
|
prom_halt();
|
|
panic("Halt failed!");
|
|
}
|
|
|
|
void machine_restart(char *cmd)
|
|
{
|
|
char *p;
|
|
|
|
p = strchr(reboot_command, '\n');
|
|
if (p)
|
|
*p = 0;
|
|
if (cmd)
|
|
prom_reboot(cmd);
|
|
if (*reboot_command)
|
|
prom_reboot(reboot_command);
|
|
prom_reboot("");
|
|
panic("Reboot failed!");
|
|
}
|
|
|