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;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; CpuIdEx.Asm
;
; Abstract:
;
; AsmCpuidEx function
;
; Notes:
;
;------------------------------------------------------------------------------
SECTION .text
;------------------------------------------------------------------------------
; 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
; )
;------------------------------------------------------------------------------
global ASM_PFX(AsmCpuidEx)
ASM_PFX(AsmCpuidEx):
push ebx
push ebp
mov ebp, esp
mov eax, [ebp + 12]
mov ecx, [ebp + 16]
cpuid
push ecx
mov ecx, [ebp + 20]
jecxz .0
mov [ecx], eax
.0:
mov ecx, [ebp + 24]
jecxz .1
mov [ecx], ebx
.1:
mov ecx, [ebp + 32]
jecxz .2
mov [ecx], edx
.2:
mov ecx, [ebp + 28]
jecxz .3
pop DWORD [ecx]
.3:
mov eax, [ebp + 12]
leave
pop ebx
ret
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