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 SECTION .text 25 26 ;------------------------------------------------------------------------------ 27 ; UINT32 28 ; EFIAPI 29 ; AsmCpuidEx ( 30 ; IN UINT32 RegisterInEax, 31 ; IN UINT32 RegisterInEcx, 32 ; OUT UINT32 *RegisterOutEax OPTIONAL, 33 ; OUT UINT32 *RegisterOutEbx OPTIONAL, 34 ; OUT UINT32 *RegisterOutEcx OPTIONAL, 35 ; OUT UINT32 *RegisterOutEdx OPTIONAL 36 ; ) 37 ;------------------------------------------------------------------------------ 38 global ASM_PFX(AsmCpuidEx) 39 ASM_PFX(AsmCpuidEx): 40 push 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 .0 49 mov [ecx], eax 50 .0: 51 mov ecx, [ebp + 24] 52 jecxz .1 53 mov [ecx], ebx 54 .1: 55 mov ecx, [ebp + 32] 56 jecxz .2 57 mov [ecx], edx 58 .2: 59 mov ecx, [ebp + 28] 60 jecxz .3 61 pop DWORD [ecx] 62 .3: 63 mov eax, [ebp + 12] 64 leave 65 pop ebx 66 ret 67 68
