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/* $Id: post.S,v 1.14 2009-01-28 14:38:02 potyra Exp $
*
* Copyright (C) 2004-2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#include "build_config.h"
#ifdef INIT_RM
/*
* Power-on Self Test
*/
.section .text
.code16gcc
#include "libsys.h"
post: .globl post
#if 0
/* FIXME VOSSI */
/* ... */
jmp code
s0:
.string "hallo\0"
s1:
.string "halle\0"
code:
mov %cs, %ax
mov %ax, %ds
mov %ax, %es
movzwl %ax, %eax
shll $4, %eax
movl $s0, %ebx
subl %eax, %ebx
movl $s1, %edx
subl %eax, %edx
cld
movl %ebx, %edi
movl %edx, %esi
movl $10, %ecx
repz cmpsb
cmpl $5, %ecx
1: jne 1b
subl $5, %edi
cmpl %edi, %ebx
1: jne 1b
subl $5, %esi
cmpl %esi, %edx
1: jne 1b
movw $0, %ax
movw %ax, %ds
movw %ax, %es
#endif
lretw
#endif /* INIT_RM */
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