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e1f414b6 1;------------------------------------------------------------------------------\r
2;\r
373ade0e 3; Copyright (c) 2006 - 2008, Intel Corporation\r
e1f414b6 4; All rights reserved. This program and the accompanying materials\r
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
7; http://opensource.org/licenses/bsd-license.php\r
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; ScanMem64.Asm\r
15;\r
16; Abstract:\r
17;\r
18; ScanMem64 function\r
19;\r
20; Notes:\r
21;\r
2bfb6009 22; The following BaseMemoryLib instances contain the same copy of this file:\r
e1f414b6 23;\r
24; BaseMemoryLibRepStr\r
25; BaseMemoryLibMmx\r
26; BaseMemoryLibSse2\r
2bfb6009
LG
27; BaseMemoryLibOptDxe\r
28; BaseMemoryLibOptPei\r
e1f414b6 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; InternalMemScanMem64 (\r
40; IN CONST VOID *Buffer,\r
41; IN UINTN Length,\r
42; IN UINT64 Value\r
43; );\r
44;------------------------------------------------------------------------------\r
45InternalMemScanMem64 PROC USES edi\r
46 mov ecx, [esp + 12]\r
47 mov eax, [esp + 16]\r
48 mov edx, [esp + 20]\r
49 mov edi, [esp + 8]\r
50@@:\r
51 cmp eax, [edi]\r
52 lea edi, [edi + 8]\r
53 loopne @B\r
54 jne @F\r
55 cmp edx, [edi - 4]\r
56 jecxz @F\r
57 jne @B\r
58@@:\r
59 lea eax, [edi - 8]\r
60 cmovne eax, ecx\r
61 ret\r
62InternalMemScanMem64 ENDP\r
63\r
64 END\r