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e1f414b6 | 1 | ;------------------------------------------------------------------------------ |
2 | ; | |
3 | ; Copyright (c) 2006, Intel Corporation | |
4 | ; All rights reserved. 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\r | |
15 | ; | |
16 | ; Abstract: | |
17 | ; | |
18 | ; AsmCpuidEx function\r | |
19 | ; | |
20 | ; Notes: | |
21 | ; | |
22 | ;------------------------------------------------------------------------------ | |
23 | ||
24 | .686\r | |
25 | .model flat,C\r | |
26 | .code | |
27 | ||
28 | ;------------------------------------------------------------------------------ | |
29 | ; UINT32 | |
30 | ; EFIAPI | |
31 | ; AsmCpuidEx (\r | |
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\r | |
41 | push ebp\r | |
42 | mov ebp, esp\r | |
43 | mov eax, [ebp + 12]\r | |
44 | mov ecx, [ebp + 16]\r | |
45 | cpuid\r | |
46 | push ecx\r | |
47 | mov ecx, [ebp + 20]\r | |
48 | jecxz @F\r | |
49 | mov [ecx], eax\r | |
50 | @@:\r | |
51 | mov ecx, [ebp + 24]\r | |
52 | jecxz @F\r | |
53 | mov [ecx], ebx\r | |
54 | @@:\r | |
55 | mov ecx, [ebp + 28]\r | |
56 | jecxz @F\r | |
57 | pop [ecx]\r | |
58 | @@:\r | |
59 | mov edx, [ebp + 32]\r | |
60 | jecxz @F\r | |
61 | mov [ecx], edx\r | |
62 | @@:\r | |
63 | mov eax, [ebp + 12]\r | |
64 | leave\r | |
65 | ret\r | |
66 | AsmCpuidEx ENDP\r | |
67 | ||
68 | END |