;------------------------------------------------------------------------------ ; ; Copyright (c) 2006 - 2013, 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.Asm ; ; Abstract: ; ; AsmCpuidEx function ; ; Notes: ; ;------------------------------------------------------------------------------ .686 .model flat,C .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 ; ) ;------------------------------------------------------------------------------ AsmCpuidEx PROC USES ebx push ebp mov ebp, esp mov eax, [ebp + 12] mov ecx, [ebp + 16] cpuid push ecx mov ecx, [ebp + 20] jecxz @F mov [ecx], eax @@: mov ecx, [ebp + 24] jecxz @F mov [ecx], ebx @@: mov ecx, [ebp + 32] jecxz @F mov [ecx], edx @@: mov ecx, [ebp + 28] jecxz @F pop [ecx] @@: mov eax, [ebp + 12] leave ret AsmCpuidEx ENDP END