grub/kern/loader.c
okuji 3c52136a94 2004-09-10 Yoshinori K. Okuji <okuji@enbug.org>
* normal/menu.c: Include grub/loader.h and grub/machine/time.h.
  (print_message): Add a missing newline.
  (run_menu): Added timeout support.
  (run_menu_entry): New local function.
  (grub_menu_run): Added support for booting.

  * kern/loader.c (grub_loader_is_loaded): New function.

  * include/grub/powerpc/ieee1275/time.h: Include grub/symbol.h.
  (grub_get_rtc): Exported.

  * include/grub/i386/pc/time.h: Include grub/symbol.h.
  (grub_get_rtc): Exported.

  * include/grub/normal.h (struct grub_command_list): Remove
  constant from the member `command'.

  * include/grub/loader.h (grub_loader_is_loaded): Declared.

  * include/grub/err.h (GRUB_ERR_INVALID_COMMAND): New constant.

  * conf/i386-pc.rmk (kernel_img_HEADERS): Added machine/time.h.
2004-09-10 20:31:55 +00:00

69 lines
1.7 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2004 Free Software Foundation, Inc.
*
* GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/loader.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
static grub_err_t (*grub_loader_boot_func) (void);
static grub_err_t (*grub_loader_unload_func) (void);
static int grub_loader_loaded;
int
grub_loader_is_loaded (void)
{
return grub_loader_loaded;
}
void
grub_loader_set (grub_err_t (*boot) (void),
grub_err_t (*unload) (void))
{
if (grub_loader_loaded && grub_loader_unload_func)
grub_loader_unload_func ();
grub_loader_boot_func = boot;
grub_loader_unload_func = unload;
grub_loader_loaded = 1;
}
void
grub_loader_unset(void)
{
if (grub_loader_loaded && grub_loader_unload_func)
grub_loader_unload_func ();
grub_loader_boot_func = 0;
grub_loader_unload_func = 0;
grub_loader_loaded = 0;
}
grub_err_t
grub_loader_boot (void)
{
if (! grub_loader_loaded)
return grub_error (GRUB_ERR_NO_KERNEL, "no loaded kernel");
return (grub_loader_boot_func) ();
}