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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 | # ScanMem64.Asm |
15 | # |
16 | # Abstract: |
17 | # |
18 | # ScanMem64 function |
19 | # |
20 | # Notes: |
21 | # |
22 | # The following BaseMemoryLib instances share the same version of this file: |
23 | # |
24 | # BaseMemoryLibRepStr |
25 | # BaseMemoryLibMmx |
26 | # BaseMemoryLibSse2 |
27 | # |
28 | #------------------------------------------------------------------------------ |
29 | |
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30 | .global _InternalMemScanMem64 |
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31 | |
32 | #------------------------------------------------------------------------------ |
33 | # CONST VOID * |
34 | # EFIAPI |
35 | # InternalMemScanMem64 ( |
36 | # IN CONST VOID *Buffer, |
37 | # IN UINTN Length, |
38 | # IN UINT64 Value |
39 | # ); |
40 | #------------------------------------------------------------------------------ |
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41 | _InternalMemScanMem64: |
42 | push %edi |
43 | movl 12(%esp), %ecx |
44 | movl 16(%esp), %eax |
45 | movl 20(%esp), %edx |
46 | movl 8(%esp), %edi |
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47 | L0: |
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48 | cmpl (%edi), %eax |
49 | leal 8(%edi), %edi |
50 | loopne L0 |
51 | jne L1 |
52 | cmpl -4(%edi), %edx |
53 | jecxz L1 |
54 | jne L0 |
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55 | L1: |
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56 | leal -8(%edi), %eax |
57 | cmovne %ecx, %eax |
58 | pop %edi |
59 | ret |