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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Intel Corporation
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
# Module Name:
#
# CpuId.Asm
#
# Abstract:
#
# AsmCpuid function
#
# Notes:
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# VOID
# EFIAPI
# AsmCpuid (
# IN UINT32 RegisterInEax,
# OUT UINT32 *RegisterOutEax OPTIONAL,
# OUT UINT32 *RegisterOutEbx OPTIONAL,
# OUT UINT32 *RegisterOutEcx OPTIONAL,
# OUT UINT32 *RegisterOutEdx OPTIONAL
# )
#------------------------------------------------------------------------------
.globl _AsmCpuid
_AsmCpuid:
push %ebx
push %edi
movl 12(%esp),%eax
cpuid
movl %ecx,%edi
movl 16(%esp),%ecx
jecxz L1
movl %eax,(%ecx)
L1:
movl 20(%esp),%ecx
jecxz L2
movl %ebx,(%ecx)
L2:
movl 24(%esp),%ecx
jecxz L3
movl %edi,(%ecx)
L3:
movl 28(%esp),%ecx
jecxz L4
movl %edx,(%ecx)
L4:
pop %edi
pop %ebx
ret
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