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ArmPkg/ArmDisassemblerLib: fix check for MSR instruction
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631f060b 1;------------------------------------------------------------------------------\r
2;\r
adc29a97
HT
3; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
4; This program and the accompanying materials\r
631f060b 5; are licensed and made available under the terms and conditions of the BSD License\r
6; which accompanies this distribution. The full text of the license may be found at\r
2fc59a00 7; http://opensource.org/licenses/bsd-license.php.\r
631f060b 8;\r
9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11;\r
12; Module Name:\r
13;\r
14; ScanMem8.Asm\r
15;\r
16; Abstract:\r
17;\r
18; ScanMem8 function\r
19;\r
20; Notes:\r
21;\r
2bfb6009 22; The following BaseMemoryLib instances contain the same copy of this file:\r
631f060b 23;\r
24; BaseMemoryLibRepStr\r
25; BaseMemoryLibMmx\r
26; BaseMemoryLibSse2\r
2bfb6009
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27; BaseMemoryLibOptDxe\r
28; BaseMemoryLibOptPei\r
631f060b 29;\r
30;------------------------------------------------------------------------------\r
31\r
32 .686\r
33 .model flat,C\r
34 .code\r
35\r
36;------------------------------------------------------------------------------\r
37; CONST VOID *\r
38; EFIAPI\r
39; InternalMemScanMem8 (\r
40; IN CONST VOID *Buffer,\r
41; IN UINTN Length,\r
42; IN UINT8 Value\r
43; );\r
44;------------------------------------------------------------------------------\r
45InternalMemScanMem8 PROC USES edi\r
46 mov ecx, [esp + 12]\r
47 mov edi, [esp + 8]\r
48 mov al, [esp + 16]\r
49 repne scasb\r
50 lea eax, [edi - 1]\r
51 cmovnz eax, ecx\r
52 ret\r
53InternalMemScanMem8 ENDP\r
54\r
55 END\r