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631f060b | 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 | # ZeroMem.Asm | |
15 | # | |
16 | # Abstract: | |
17 | # | |
18 | # ZeroMem function | |
19 | # | |
20 | # Notes: | |
21 | # | |
22 | #------------------------------------------------------------------------------ | |
23 | ||
24 | .globl _InternalMemZeroMem | |
25 | ||
26 | #------------------------------------------------------------------------------ | |
27 | # VOID * | |
28 | # InternalMemZeroMem ( | |
29 | # IN VOID *Buffer, | |
30 | # IN UINTN Count | |
31 | # ); | |
32 | #------------------------------------------------------------------------------ | |
33 | _InternalMemZeroMem: | |
34 | push %edi | |
35 | xorl %eax,%eax | |
36 | movl 8(%esp),%edi | |
37 | movl 12(%esp),%ecx | |
38 | movl %ecx,%edx | |
39 | shrl $2,%ecx | |
40 | andl $3,%edx | |
41 | pushl %edi | |
42 | rep | |
43 | stosl | |
44 | movl %edx,%ecx | |
45 | rep | |
46 | stosb | |
47 | popl %eax | |
48 | pop %edi | |
49 | ret |