1 ;------------------------------------------------------------------------------ 2 ; 3 ; Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> 4 ; This program and the accompanying materials 5 ; are licensed and made available under the terms and conditions of the BSD License 6 ; which accompanies this distribution. The full text of the license may be found at 7 ; http://opensource.org/licenses/bsd-license.php. 8 ; 9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 ; 12 ; Module Name: 13 ; 14 ; CpuIdEx.Asm 15 ; 16 ; Abstract: 17 ; 18 ; AsmCpuidEx function 19 ; 20 ; Notes: 21 ; 22 ;------------------------------------------------------------------------------ 23 24 .686 25 .model flat,C 26 .code 27 28 ;------------------------------------------------------------------------------ 29 ; UINT32 30 ; EFIAPI 31 ; AsmCpuidEx ( 32 ; IN UINT32 RegisterInEax, 33 ; IN UINT32 RegisterInEcx, 34 ; OUT UINT32 *RegisterOutEax OPTIONAL, 35 ; OUT UINT32 *RegisterOutEbx OPTIONAL, 36 ; OUT UINT32 *RegisterOutEcx OPTIONAL, 37 ; OUT UINT32 *RegisterOutEdx OPTIONAL 38 ; ) 39 ;------------------------------------------------------------------------------ 40 AsmCpuidEx PROC USES ebx 41 push ebp 42 mov ebp, esp 43 mov eax, [ebp + 12] 44 mov ecx, [ebp + 16] 45 cpuid 46 push ecx 47 mov ecx, [ebp + 20] 48 jecxz @F 49 mov [ecx], eax 50 @@: 51 mov ecx, [ebp + 24] 52 jecxz @F 53 mov [ecx], ebx 54 @@: 55 mov ecx, [ebp + 32] 56 jecxz @F 57 mov [ecx], edx 58 @@: 59 mov ecx, [ebp + 28] 60 jecxz @F 61 pop DWORD [ecx] 62 @@: 63 mov eax, [ebp + 12] 64 leave 65 ret 66 AsmCpuidEx ENDP 67 68 END 69
