;------------------------------------------------------------------------------

;

; Copyright (c) 2006, 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:

;

; CpuId.Asm

;

; Abstract:

;

; AsmCpuid function

;

; Notes:

;

;------------------------------------------------------------------------------

.586P

.model flat,C

.code

;------------------------------------------------------------------------------

; VOID

; EFIAPI

; AsmCpuid (

; IN UINT32 RegisterInEax,

; OUT UINT32 *RegisterOutEax OPTIONAL,

; OUT UINT32 *RegisterOutEbx OPTIONAL,

; OUT UINT32 *RegisterOutEcx OPTIONAL,

; OUT UINT32 *RegisterOutEdx OPTIONAL

; );

;------------------------------------------------------------------------------

AsmCpuid PROC USES ebx

push ebp

mov ebp, esp

mov eax, [ebp + 12]

cpuid

push ecx

mov ecx, [ebp + 16]

jecxz @F

mov [ecx], eax

@@:

mov ecx, [ebp + 20]

jecxz @F

mov [ecx], ebx

@@:

mov ecx, [ebp + 24]

jecxz @F

pop [ecx]

@@:

mov ecx, [ebp + 28]

jecxz @F

mov [ecx], edx

@@:

mov eax, [ebp + 12]

leave

ret

AsmCpuid ENDP

END