cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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reboot.c (1077B)


      1// SPDX-License-Identifier: GPL-2.0
      2/* reboot.c: reboot/shutdown/halt/poweroff handling
      3 *
      4 * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
      5 */
      6#include <linux/kernel.h>
      7#include <linux/reboot.h>
      8#include <linux/export.h>
      9#include <linux/pm.h>
     10#include <linux/of.h>
     11
     12#include <asm/oplib.h>
     13#include <asm/prom.h>
     14#include <asm/setup.h>
     15
     16/* sysctl - toggle power-off restriction for serial console
     17 * systems in machine_power_off()
     18 */
     19int scons_pwroff = 1;
     20
     21/* This isn't actually used, it exists merely to satisfy the
     22 * reference in kernel/sys.c
     23 */
     24void (*pm_power_off)(void) = machine_power_off;
     25EXPORT_SYMBOL(pm_power_off);
     26
     27void machine_power_off(void)
     28{
     29	if (!of_node_is_type(of_console_device, "serial") || scons_pwroff)
     30		prom_halt_power_off();
     31
     32	prom_halt();
     33}
     34
     35void machine_halt(void)
     36{
     37	prom_halt();
     38	panic("Halt failed!");
     39}
     40
     41void machine_restart(char *cmd)
     42{
     43	char *p;
     44
     45	p = strchr(reboot_command, '\n');
     46	if (p)
     47		*p = 0;
     48	if (cmd)
     49		prom_reboot(cmd);
     50	if (*reboot_command)
     51		prom_reboot(reboot_command);
     52	prom_reboot("");
     53	panic("Reboot failed!");
     54}
     55