source: grub-pc/trunk/fuentes/grub-core/boot/i386/pc/pxeboot.S @ 22

Last change on this file since 22 was 22, checked in by mabarracus, 4 years ago

updated version and apply net.ifnames=0 into debian/rules

File size: 1.3 KB
Line 
1/*
2 *  GRUB  --  GRand Unified Bootloader
3 *  Copyright (C) 2000,2005,2007,2008,2009,2010   Free Software Foundation, Inc.
4 *
5 *  GRUB is free software: you can redistribute it and/or modify
6 *  it under the terms of the GNU General Public License as published by
7 *  the Free Software Foundation, either version 3 of the License, or
8 *  (at your option) any later version.
9 *
10 *  GRUB is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 *  GNU General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include <grub/machine/boot.h>
20
21        .file   "pxeboot.S"
22        .text
23
24        /* Start with the prehistoric environment... */
25        .code16
26
27        /* Let's go */
28.globl start, _start;
29_start:
30start:
31
32        /* Use drive number 0x7F for PXE */
33        movb    $GRUB_BOOT_MACHINE_PXE_DL, %dl
34
35        /* Jump to the real world */
36        ljmp    $0, $0x8200
37
38        /* This region is a junk. Do you say that this is wasteful?
39           But I like that the memory layout of the body is consistent
40           among different kernels rather than scamping just for 1.5KB. */
41        . = _start + 0x8200 - 0x7C00 - 0x200 - 1
42        .byte   0
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