/* * 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 . */ #include #include .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)