From c1288a3926ba67bfc41b915b1151f4105642b5cc Mon Sep 17 00:00:00 2001 From: lgao4 Date: Sun, 14 May 2006 09:16:36 +0000 Subject: git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@152 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BaseLib/X64/CpuId.asm | 124 +++++++++++++++++------------------ 1 file changed, 62 insertions(+), 62 deletions(-) (limited to 'MdePkg/Library') diff --git a/MdePkg/Library/BaseLib/X64/CpuId.asm b/MdePkg/Library/BaseLib/X64/CpuId.asm index 867e92a677..b5ac0fd2fc 100644 --- a/MdePkg/Library/BaseLib/X64/CpuId.asm +++ b/MdePkg/Library/BaseLib/X64/CpuId.asm @@ -1,62 +1,62 @@ -;------------------------------------------------------------------------------ -; -; Copyright (c) 2006, Intel Corporation -; All rights reserved. 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: -; -;------------------------------------------------------------------------------ - - .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 rbx - mov eax, ecx - push rdx - push rax ; save Index on stack - cpuid - test r9, r9 - jz @F - mov [r9], ecx -@@: - pop rcx - jrcxz @F - mov [rcx], eax -@@: - mov rcx, r8 - jrcxz @F - mov [rcx], ebx -@@: - mov rcx, [rsp + 30h] - jrcxz @F - mov [rcx], edx -@@: - pop rax ; restore Index to rax as return value - ret -AsmCpuid ENDP - - END +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. 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: +; +;------------------------------------------------------------------------------ + + .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 rbx + mov eax, ecx + push rdx + push rax ; save Index on stack + cpuid + test r9, r9 + jz @F + mov [r9], ecx +@@: + pop rcx + jrcxz @F + mov [rcx], eax +@@: + mov rcx, r8 + jrcxz @F + mov [rcx], ebx +@@: + mov rcx, [rsp + 38h] + jrcxz @F + mov [rcx], edx +@@: + pop rax ; restore Index to rax as return value + ret +AsmCpuid ENDP + + END -- cgit v1.2.3