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//
// Include common header file for this module.
//
#include "CommonHeader.h"
#------------------------------------------------------------------------------
#
# 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:
#
#------------------------------------------------------------------------------
.globl ASM_PFX(AsmCpuid)
#------------------------------------------------------------------------------
# VOID
# EFIAPI
# AsmCpuid (
# IN UINT32 RegisterInEax,
# OUT UINT32 *RegisterOutEax OPTIONAL,
# OUT UINT32 *RegisterOutEbx OPTIONAL,
# OUT UINT32 *RegisterOutEcx OPTIONAL,
# OUT UINT32 *RegisterOutEdx OPTIONAL
# )
#------------------------------------------------------------------------------
ASM_PFX(AsmCpuid):
push %ebx
push %ebp
movl %esp, %ebp
movl 12(%ebp), %eax
cpuid
push %ecx
movl 16(%ebp), %ecx
jecxz L1
movl %eax, (%ecx)
L1:
movl 20(%ebp), %ecx
jecxz L2
movl %ebx, (%ecx)
L2:
movl 24(%ebp), %ecx
jecxz L3
popl (%ecx)
L3:
movl 28(%ebp), %ecx
jecxz L4
movl %edx, (%ecx)
L4:
movl 12(%ebp), %eax
leave
pop %ebx
ret
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