grub/boot/i386/pc/pxeboot.S
2009-06-10 21:04:23 +00:00

41 lines
1.3 KiB
ArmAsm

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000,2005,2007,2008 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/>.
*/
.file "pxeboot.S"
.text
/* Start with the prehistoric environment... */
.code16
/* Let's go */
.globl start, _start;
_start:
start:
/* Root drive will default to boot drive */
movb $0xFF, %dh
movb $0x7F, %dl
/* Jump to the real world */
ljmp $0, $0x8200
/* This region is a junk. Do you say that this is wasteful?
But I like that the memory layout of the body is consistent
among different kernels rather than scamping just for 1.5KB. */
. = _start + 0x8200 - 0x7C00 - 0x200 - 1
.byte 0