-/**\r
- AsmCpuidEx function.\r
-\r
- Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "BaseLibInternals.h"\r
-\r
-UINT32\r
-EFIAPI\r
-AsmCpuidEx (\r
- IN UINT32 Index,\r
- IN UINT32 SubIndex,\r
- OUT UINT32 *RegisterEax, OPTIONAL\r
- OUT UINT32 *RegisterEbx, OPTIONAL\r
- OUT UINT32 *RegisterEcx, OPTIONAL\r
- OUT UINT32 *RegisterEdx OPTIONAL\r
- )\r
-{\r
- _asm {\r
- mov eax, Index\r
- mov ecx, SubIndex\r
- cpuid\r
- push ecx\r
- mov ecx, RegisterEax\r
- jecxz SkipEax\r
- mov [ecx], eax\r
-SkipEax:\r
- mov ecx, RegisterEbx\r
- jecxz SkipEbx\r
- mov [ecx], ebx\r
-SkipEbx:\r
- pop eax\r
- mov ecx, RegisterEcx\r
- jecxz SkipEcx\r
- mov [ecx], eax\r
-SkipEcx:\r
- mov ecx, RegisterEdx\r
- jecxz SkipEdx\r
- mov [ecx], edx\r
-SkipEdx:\r
- mov eax, Index\r
- }\r
-}\r