1;------------------------------------------------------------------------------
2;
3; Copyright (c) 2006 - 2008, 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;   ScanMem64.Asm
15;
16; Abstract:
17;
18;   ScanMem64 function
19;
20; Notes:
21;
22;   The following BaseMemoryLib instances contain the same copy of this file:
23;
24;       BaseMemoryLibRepStr
25;       BaseMemoryLibMmx
26;       BaseMemoryLibSse2
27;       BaseMemoryLibOptDxe
28;       BaseMemoryLibOptPei
29;
30;------------------------------------------------------------------------------
31
32    .686
33    .model  flat,C
34    .code
35
36;------------------------------------------------------------------------------
37; CONST VOID *
38; EFIAPI
39; InternalMemScanMem64 (
40;   IN      CONST VOID                *Buffer,
41;   IN      UINTN                     Length,
42;   IN      UINT64                    Value
43;   );
44;------------------------------------------------------------------------------
45InternalMemScanMem64    PROC    USES    edi
46    mov     ecx, [esp + 12]
47    mov     eax, [esp + 16]
48    mov     edx, [esp + 20]
49    mov     edi, [esp + 8]
50@@:
51    cmp     eax, [edi]
52    lea     edi, [edi + 8]
53    loopne  @B
54    jne     @F
55    cmp     edx, [edi - 4]
56    jecxz   @F
57    jne     @B
58@@:
59    lea     eax, [edi - 8]
60    cmovne  eax, ecx
61    ret
62InternalMemScanMem64    ENDP
63
64    END
65