34 lines
1,019 B
ArmAsm
34 lines
1,019 B
ArmAsm
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2011 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <grub/symbol.h>
|
|
#include <grub/i386/reboot.h>
|
|
|
|
.p2align 4
|
|
|
|
VARIABLE(grub_reboot_start)
|
|
.code16
|
|
|
|
/* set 0x472 to 0x0000 for cold boot (0x1234 for warm boot) */
|
|
movw $0x0472, %di
|
|
xorw %ax, %ax
|
|
movw %ax, (%di)
|
|
ljmp $0xf000, $0xfff0
|
|
|
|
.code32
|
|
VARIABLE(grub_reboot_end)
|