arch/riscv/kernel/reset.c

   1 /*
   2  * Copyright (C) 2012 Regents of the University of California
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  */
  13
  14 #include <linux/reboot.h>
  15 #include <asm/sbi.h>
  16
  17 static void default_power_off(void)
  18 {
  19         sbi_shutdown();
  20         while (1);
  21 }
  22
  23 void (*pm_power_off)(void) = default_power_off;
  24
  25 void machine_restart(char *cmd)
  26 {
  27         do_kernel_restart(cmd);
  28         while (1);
  29 }
  30
  31 void machine_halt(void)
  32 {
  33         pm_power_off();
  34 }
  35
  36 void machine_power_off(void)
  37 {
  38         pm_power_off();
  39 }