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b1ff428c | 1 | #------------------------------------------------------------------------------\r |
2 | #\r | |
84b5877f HT |
3 | # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
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 | # ZeroMem.S\r | |
15 | #\r | |
16 | # Abstract:\r | |
17 | #\r | |
18 | # ZeroMem function\r | |
19 | #\r | |
20 | # Notes:\r | |
21 | #\r | |
22 | #------------------------------------------------------------------------------\r | |
23 | \r | |
132f41f0 | 24 | ASM_GLOBAL ASM_PFX(InternalMemZeroMem)\r |
b1ff428c | 25 | \r |
26 | #------------------------------------------------------------------------------\r | |
27 | # VOID *\r | |
28 | # InternalMemZeroMem (\r | |
29 | # IN VOID *Buffer,\r | |
30 | # IN UINTN Count\r | |
31 | # );\r | |
32 | #------------------------------------------------------------------------------\r | |
33 | ASM_PFX(InternalMemZeroMem):\r | |
34 | push %edi\r | |
35 | xorl %eax,%eax\r | |
36 | movl 8(%esp),%edi\r | |
37 | movl 12(%esp),%ecx\r | |
38 | movl %ecx,%edx\r | |
39 | shrl $2,%ecx\r | |
40 | andl $3,%edx\r | |
41 | pushl %edi\r | |
42 | rep\r | |
43 | stosl\r | |
44 | movl %edx,%ecx\r | |
45 | rep\r | |
46 | stosb\r | |
47 | popl %eax\r | |
48 | pop %edi\r | |
49 | ret\r |