#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> | |
# 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: | |
# | |
# CpuIdEx.S | |
# | |
# Abstract: | |
# | |
# AsmCpuidEx function | |
# | |
# Notes: | |
# | |
#------------------------------------------------------------------------------ | |
.code: | |
#------------------------------------------------------------------------------ | |
# UINT32 | |
# EFIAPI | |
# AsmCpuidEx ( | |
# IN UINT32 RegisterInEax, | |
# IN UINT32 RegisterInEcx, | |
# OUT UINT32 *RegisterOutEax OPTIONAL, | |
# OUT UINT32 *RegisterOutEbx OPTIONAL, | |
# OUT UINT32 *RegisterOutEcx OPTIONAL, | |
# OUT UINT32 *RegisterOutEdx OPTIONAL | |
# ) | |
#------------------------------------------------------------------------------ | |
ASM_GLOBAL ASM_PFX(AsmCpuidEx) | |
ASM_PFX(AsmCpuidEx): | |
push %ebx | |
push %ebp | |
movl %esp, %ebp | |
movl 12(%ebp), %eax | |
movl 16(%ebp), %ecx | |
cpuid | |
push %ecx | |
movl 20(%ebp), %ecx | |
jecxz L1 | |
movl %eax, (%ecx) | |
L1: | |
movl 24(%ebp), %ecx | |
jecxz L2 | |
movl %ebx, (%ecx) | |
L2: | |
movl 32(%ebp), %ecx | |
jecxz L3 | |
movl %edx, (%ecx) | |
L3: | |
movl 28(%ebp), %ecx | |
jecxz L4 | |
popl (%ecx) | |
L4: | |
movl 12(%ebp), %eax | |
leave | |
pop %ebx | |
ret |