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c7f33ca4 | 1 | ;------------------------------------------------------------------------------\r |
2 | ;\r | |
4ea9375a HT |
3 | ; Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r |
4 | ; This program and the accompanying materials\r | |
c7f33ca4 | 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 | |
7 | ; http://opensource.org/licenses/bsd-license.php\r | |
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 | ; EfiSetMemRep8.asm\r | |
15 | ;\r | |
16 | ; Abstract:\r | |
17 | ;\r | |
18 | ; SetMem function\r | |
19 | ;\r | |
20 | ; Notes:\r | |
21 | ;\r | |
22 | ;------------------------------------------------------------------------------\r | |
23 | \r | |
24 | .code\r | |
25 | \r | |
26 | ;------------------------------------------------------------------------------\r | |
27 | ; VOID\r | |
28 | ; EfiCommonLibSetMem (\r | |
29 | ; OUT VOID *Buffer,\r | |
30 | ; IN UINTN Size,\r | |
31 | ; IN UINT8 Value\r | |
32 | ; );\r | |
33 | ;------------------------------------------------------------------------------\r | |
34 | EfiCommonLibSetMem PROC USES rdi rbx\r | |
35 | cmp rdx, 0 ; if Size == 0, do nothing\r | |
36 | je @SetDone\r | |
37 | mov rax, r8\r | |
38 | mov bl, al\r | |
39 | mov bh, bl\r | |
40 | mov ax, bx\r | |
41 | shl rax, 10h\r | |
42 | mov ax, bx\r | |
43 | mov ebx, eax \r | |
44 | shl rax, 20h\r | |
45 | mov eax, ebx\r | |
46 | mov rdi, rcx\r | |
47 | mov rcx, rdx\r | |
48 | shr rcx, 3\r | |
49 | rep stosq\r | |
50 | mov rcx, rdx\r | |
51 | and rcx, 7\r | |
52 | rep stosb\r | |
53 | @SetDone:\r | |
54 | ret\r | |
55 | EfiCommonLibSetMem ENDP\r | |
56 | \r | |
57 | END\r | |
58 | \r |