diff options
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/CpuIdEx.asm')
-rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/CpuIdEx.asm | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/CpuIdEx.asm b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/CpuIdEx.asm new file mode 100644 index 0000000..4c52315 --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ia32/CpuIdEx.asm @@ -0,0 +1,66 @@ +; Copyright (c) 2004, 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 |