coreboot-kgpe-d16/payloads/coreinfo/cpuid.S
Stefan Reinauer 14e2277962 Since some people disapprove of white space cleanups mixed in regular commits
while others dislike them being extra commits, let's clean them up once and
for all for the existing code. If it's ugly, let it only be ugly once :-)

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-04-27 06:56:47 +00:00

67 lines
1.4 KiB
ArmAsm

/*
* This file is part of the coreinfo project.
*
* It is derived from the x86info project, which is GPLv2-licensed.
*
* Copyright (C) 2001-2007 Dave Jones <davej@codemonkey.org.uk>
*
* This program 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; version 2 of the License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* calling syntax: docpuid(idx,eax,ebx,ecx,edx) */
.align 4
.text
.global docpuid
.type docpuid,@function
docpuid:
pushl %ebp
movl %esp, %ebp
pushl %edi
pushl %ebx
pushl %ecx
pushl %edx
movl 8(%ebp),%eax
cpuid
movl 12(%ebp),%edi
test %edi,%edi
jz L1
movl %eax, (%edi)
L1: movl 16(%ebp),%edi
test %edi,%edi
jz L2
movl %ebx,(%edi)
L2: movl 20(%ebp),%edi
test %edi,%edi
jz L3
movl %ecx,(%edi)
L3: movl 24(%ebp), %edi
test %edi,%edi
jz L4
movl %edx,(%edi)
L4: popl %edx
popl %ecx
popl %ebx
popl %edi
movl %ebp,%esp
popl %ebp
ret
.section .note.GNU-stack,"", @progbits