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b1ff428c | 1 | #------------------------------------------------------------------------------\r |
2 | #\r | |
9095d37b | 3 | # Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
1f558705 | 4 | # This program and the accompanying materials\r |
b1ff428c | 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 |
b1ff428c | 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 | |
22 | # The following BaseMemoryLib instances contain the same copy of this file:\r | |
23 | #\r | |
24 | # BaseMemoryLibRepStr\r | |
25 | # BaseMemoryLibMmx\r | |
26 | # BaseMemoryLibSse2\r | |
27 | # BaseMemoryLibOptDxe\r | |
28 | # BaseMemoryLibOptPei\r | |
29 | #\r | |
30 | #------------------------------------------------------------------------------\r | |
31 | \r | |
132f41f0 | 32 | ASM_GLOBAL ASM_PFX(InternalMemScanMem8)\r |
b1ff428c | 33 | \r |
34 | #------------------------------------------------------------------------------\r | |
35 | # CONST VOID *\r | |
36 | # EFIAPI\r | |
37 | # InternalMemScanMem8 (\r | |
38 | # IN CONST VOID *Buffer,\r | |
39 | # IN UINTN Length,\r | |
40 | # IN UINT8 Value\r | |
41 | # );\r | |
42 | #------------------------------------------------------------------------------\r | |
d3c0cbce | 43 | ASM_PFX(InternalMemScanMem8):\r |
b1ff428c | 44 | push %edi\r |
45 | movl 12(%esp), %ecx\r | |
46 | movl 8(%esp), %edi\r | |
47 | movb 16(%esp), %al\r | |
48 | repne scasb\r | |
49 | leal -1(%edi), %eax\r | |
cfe41b57 MK |
50 | jz L0\r |
51 | movl %ecx, %eax\r | |
9095d37b | 52 | L0:\r |
b1ff428c | 53 | pop %edi\r |
54 | ret\r |