root/arch/arc/kernel/reset.c

DEFINITIONS

1. machine_halt
2. machine_restart
3. machine_power_off

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2011-2012 Synopsys, Inc. (www.synopsys.com)
   4  */
   5 
   6 #include <linux/kernel.h>
   7 #include <linux/printk.h>
   8 #include <linux/reboot.h>
   9 #include <linux/pm.h>
  10 
  11 void machine_halt(void)
  12 {
  13         /* Halt the processor */
  14         __asm__ __volatile__("flag  1\n");
  15 }
  16 
  17 void machine_restart(char *__unused)
  18 {
  19         /* Soft reset : jump to reset vector */
  20         pr_info("Put your restart handler here\n");
  21         machine_halt();
  22 }
  23 
  24 void machine_power_off(void)
  25 {
  26         /* FIXME ::  power off ??? */
  27         machine_halt();
  28 }
  29 
  30 void (*pm_power_off) (void) = NULL;
  31 EXPORT_SYMBOL(pm_power_off);