LXR linux/arch/tile/kernel/reboot.c

   1/*
   2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
   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, but
   9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11 *   NON INFRINGEMENT.  See the GNU General Public License for
  12 *   more details.
  13 */
  14
  15#include <linux/stddef.h>
  16#include <linux/reboot.h>
  17#include <linux/smp.h>
  18#include <linux/pm.h>
  19#include <linux/export.h>
  20#include <asm/page.h>
  21#include <asm/setup.h>
  22#include <hv/hypervisor.h>
  23
  24#ifndef CONFIG_SMP
  25#define smp_send_stop()
  26#endif
  27
  28void machine_halt(void)
  29{
  30        warn_early_printk();
  31        arch_local_irq_disable_all();
  32        smp_send_stop();
  33        hv_halt();
  34}
  35
  36void machine_power_off(void)
  37{
  38        warn_early_printk();
  39        arch_local_irq_disable_all();
  40        smp_send_stop();
  41        hv_power_off();
  42}
  43
  44void machine_restart(char *cmd)
  45{
  46        arch_local_irq_disable_all();
  47        smp_send_stop();
  48        hv_restart((HV_VirtAddr) "vmlinux", (HV_VirtAddr) cmd);
  49}
  50
  51/* No interesting distinction to be made here. */
  52void (*pm_power_off)(void) = NULL;
  53EXPORT_SYMBOL(pm_power_off);
  54