commands/halt.c

   1 /* halt.c - command to halt the computer.  */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2005,2007,2008  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <grub/dl.h>
  21 #include <grub/machine/machine.h>
  22 #include <grub/command.h>
  23
  24 #if defined(GRUB_MACHINE_IEEE1275)
  25 #include <grub/machine/kernel.h>
  26 #elif defined(GRUB_MACHINE_EFI)
  27 #include <grub/efi/efi.h>
  28 #else
  29 /* Platforms shipping standalone halt, such as coreboot.  */
  30 #include <grub/cpu/halt.h>
  31 #endif
  32
  33 static grub_err_t
  34 grub_cmd_halt (grub_command_t cmd __attribute__ ((unused)),
  35                int argc __attribute__ ((unused)),
  36                char **args __attribute__ ((unused)))
  37 {
  38   grub_halt ();
  39   return 0;
  40 }
  41
  42 static grub_command_t cmd;
  43 \f
  44 GRUB_MOD_INIT(halt)
  45 {
  46   cmd = grub_register_command ("halt", grub_cmd_halt,
  47                                0, "halts the computer.  This command does not"
  48                                " work on all firmware.");
  49 }
  50
  51 GRUB_MOD_FINI(halt)
  52 {
  53   grub_unregister_command (cmd);
  54 }