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b1ff428c | 1 | #\r |
2 | # ConvertAsm.py: Automatically generated from ScanMem8.asm\r | |
3 | #\r | |
4 | #------------------------------------------------------------------------------\r | |
5 | #\r | |
c33c6476 HT |
6 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
7 | # This program and the accompanying materials\r | |
b1ff428c | 8 | # are licensed and made available under the terms and conditions of the BSD License\r |
9 | # which accompanies this distribution. The full text of the license may be found at\r | |
2fc59a00 | 10 | # http://opensource.org/licenses/bsd-license.php.\r |
b1ff428c | 11 | #\r |
12 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | #\r | |
15 | # Module Name:\r | |
16 | #\r | |
17 | # ScanMem8.S\r | |
18 | #\r | |
19 | # Abstract:\r | |
20 | #\r | |
21 | # ScanMem8 function\r | |
22 | #\r | |
23 | # Notes:\r | |
24 | #\r | |
25 | # The following BaseMemoryLib instances contain the same copy of this file:\r | |
26 | #\r | |
27 | # BaseMemoryLibRepStr\r | |
28 | # BaseMemoryLibMmx\r | |
29 | # BaseMemoryLibSse2\r | |
30 | # BaseMemoryLibOptDxe\r | |
31 | # BaseMemoryLibOptPei\r | |
32 | #\r | |
33 | #------------------------------------------------------------------------------\r | |
34 | \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 | |
132f41f0 | 45 | ASM_GLOBAL ASM_PFX(InternalMemScanMem8)\r |
b1ff428c | 46 | ASM_PFX(InternalMemScanMem8):\r |
1fef058f | 47 | pushq %rdi\r |
48 | movq %rcx, %rdi\r | |
49 | movq %rdx, %rcx\r | |
50 | movq %r8, %rax\r | |
b1ff428c | 51 | repne scasb\r |
1fef058f | 52 | leaq -1(%rdi), %rax\r |
53 | cmovnz %rcx, %rax # set rax to 0 if not found\r | |
54 | popq %rdi\r | |
b1ff428c | 55 | ret\r |
56 | \r |