]>
Commit | Line | Data |
---|---|---|
bd2d157b | 1 | # |
2 | # ConvertAsm.py: Automatically generated from CompareMem.asm | |
3 | # | |
4 | #------------------------------------------------------------------------------ | |
5 | # | |
6 | # Copyright (c) 2006, Intel Corporation | |
7 | # All rights reserved. This program and the accompanying materials | |
8 | # are licensed and made available under the terms and conditions of the BSD License | |
9 | # which accompanies this distribution. The full text of the license may be found at | |
10 | # http://opensource.org/licenses/bsd-license.php | |
11 | # | |
12 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
13 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
14 | # | |
15 | # Module Name: | |
16 | # | |
17 | # CompareMem.S | |
18 | # | |
19 | # Abstract: | |
20 | # | |
21 | # CompareMem function | |
22 | # | |
23 | # Notes: | |
24 | # | |
25 | # The following BaseMemoryLib instances share the same version of this file: | |
26 | # | |
27 | # BaseMemoryLibRepStr | |
28 | # BaseMemoryLibMmx | |
29 | # BaseMemoryLibSse2 | |
30 | # | |
31 | #------------------------------------------------------------------------------ | |
32 | ||
b27af9d2 | 33 | #include <EdkIIGlueBase.h> |
bd2d157b | 34 | #------------------------------------------------------------------------------ |
35 | # INTN | |
36 | # EFIAPI | |
37 | # InternalMemCompareMem ( | |
38 | # IN CONST VOID *DestinationBuffer, | |
39 | # IN CONST VOID *SourceBuffer, | |
40 | # IN UINTN Length | |
41 | # ); | |
42 | #------------------------------------------------------------------------------ | |
43 | .intel_syntax | |
34e4a9a6 | 44 | .globl ASM_PFX(InternalMemCompareMem) |
45 | ASM_PFX(InternalMemCompareMem): | |
bd2d157b | 46 | push rsi |
47 | push rdi | |
48 | mov rsi, rcx | |
49 | mov rdi, rdx | |
50 | mov rcx, r8 | |
51 | repe cmpsb | |
52 | movzx rax, byte ptr [rsi - 1] | |
53 | movzx rdx, byte ptr [rdi - 1] | |
54 | sub rax, rdx | |
55 | pop rdi | |
56 | pop rsi | |
57 | ret | |
58 |