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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-02 09:34:25 +0000 |
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| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-02 09:34:25 +0000 |
| commit | f1baef624fb7119c54c3389a2cd99b108ee08f0e (patch) | |
| tree | d713f9ecb9bcb40f62ace27aa135db8c4b0e86e0 /MdePkg/Library/BaseLib/X64/CpuIdEx.asm | |
| parent | 29b052646a5f5fa0b28cbe9ca6224541e688f251 (diff) | |
| download | edk2-platforms-f1baef624fb7119c54c3389a2cd99b108ee08f0e.tar.xz | |
1. Port X64, IPF and EBC arch for BaseLib
2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/CpuIdEx.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/CpuIdEx.asm | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/X64/CpuIdEx.asm b/MdePkg/Library/BaseLib/X64/CpuIdEx.asm new file mode 100644 index 0000000000..450cf543f7 --- /dev/null +++ b/MdePkg/Library/BaseLib/X64/CpuIdEx.asm @@ -0,0 +1,64 @@ +;------------------------------------------------------------------------------ +; +; 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: +; +; CpuIdEx.Asm +; +; Abstract: +; +; AsmCpuidEx function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .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 rbx + mov eax, ecx + mov ecx, edx + push rax ; save Index on stack + cpuid + mov r10, [rsp + 38h] + test r10, r10 + jz @F + mov [r10], ecx +@@: + mov rcx, r8 + jrcxz @F + mov [rcx], eax +@@: + mov rcx, r9 + jrcxz @F + mov [rcx], ebx +@@: + mov rcx, [rsp + 40h] + jrcxz @F + mov [rcx], edx +@@: + pop rax ; restore Index to rax as return value + ret +AsmCpuidEx ENDP + + END |