diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-06-22 03:21:45 +0000 |
| commit | e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8 (patch) | |
| tree | 32d74f9463f0b5c6a28ff6aff73709219d437604 /MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm | |
| parent | e053747a04ad7b8d71c7593b93e1575ba0057a91 (diff) | |
| download | edk2-platforms-e1f414b6a7d8a0424e0e01f655b09a4612b4d0e8.tar.xz | |
Import some basic libraries instances for Mde Packages.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2704 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm new file mode 100644 index 0000000000..cdebec2114 --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.asm @@ -0,0 +1,68 @@ +;------------------------------------------------------------------------------ +; +; 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: +; +;------------------------------------------------------------------------------ + + .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 + 28]
+ jecxz @F
+ pop [ecx]
+@@:
+ mov edx, [ebp + 32]
+ jecxz @F
+ mov [ecx], edx
+@@:
+ mov eax, [ebp + 12]
+ leave
+ ret
+AsmCpuidEx ENDP
+ + END |