commands/boot.c

   1 /* boot.c - command to boot an operating system */
   2 /*
   3  *  PUPA  --  Preliminary Universal Programming Architecture for GRUB
   4  *  Copyright (C) 2003  Free Software Foundation, Inc.
   5  *
   6  *  PUPA 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 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program 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 PUPA; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #include <pupa/normal.h>
  22 #include <pupa/dl.h>
  23 #include <pupa/arg.h>
  24 #include <pupa/misc.h>
  25 #include <pupa/loader.h>
  26
  27 static pupa_err_t
  28 pupa_cmd_boot (struct pupa_arg_list *state __attribute__ ((unused)),
  29                int argc, char **args __attribute__ ((unused)))
  30 {
  31   if (argc)
  32     return pupa_error (PUPA_ERR_BAD_ARGUMENT, "too many arguments");
  33
  34   pupa_loader_boot ();
  35
  36   return 0;
  37 }
  38
  39 \f
  40 #ifdef PUPA_UTIL
  41 void
  42 pupa_boot_init (void)
  43 {
  44   pupa_register_command ("boot", pupa_cmd_boot, PUPA_COMMAND_FLAG_BOTH,
  45                          "boot", "Boot an operating system", 0);
  46 }
  47
  48 void
  49 pupa_boot_fini (void)
  50 {
  51   pupa_unregister_command ("boot");
  52 }
  53 #else /* ! PUPA_UTIL */
  54 PUPA_MOD_INIT
  55 {
  56   (void)mod;                    /* To stop warning. */
  57   pupa_register_command ("boot", pupa_cmd_boot, PUPA_COMMAND_FLAG_BOTH,
  58                          "boot", "Boot an operating system", 0);
  59 }
  60
  61 PUPA_MOD_FINI
  62 {
  63   pupa_unregister_command ("boot");
  64 }
  65 #endif /* ! PUPA_UTIL */