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6e3b8c47 | 1 | ;------------------------------------------------------------------------------\r |
2 | ;\r | |
3 | ; Copyright (c) 2006, Intel Corporation\r | |
4 | ; All rights reserved. This program and the accompanying materials\r | |
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 | ; SetMem64.asm\r | |
15 | ;\r | |
16 | ; Abstract:\r | |
17 | ;\r | |
18 | ; SetMem64 function\r | |
19 | ;\r | |
20 | ; Notes:\r | |
21 | ;\r | |
22 | ;------------------------------------------------------------------------------\r | |
23 | \r | |
24 | .686\r | |
25 | .model flat,C\r | |
26 | .xmm\r | |
27 | .code\r | |
28 | \r | |
29 | ;------------------------------------------------------------------------------\r | |
30 | ; VOID *\r | |
db8f40e2 | 31 | ; InternalMemSetMem64 (\r |
6e3b8c47 | 32 | ; IN VOID *Buffer,\r |
33 | ; IN UINTN Count,\r | |
34 | ; IN UINT64 Value\r | |
35 | ; )\r | |
36 | ;------------------------------------------------------------------------------\r | |
db8f40e2 | 37 | InternalMemSetMem64 PROC\r |
38 | mov eax, [esp + 4]\r | |
39 | mov ecx, [esp + 8]\r | |
40 | test al, 8\r | |
41 | mov edx, eax\r | |
42 | movq xmm0, [esp + 12]\r | |
6e3b8c47 | 43 | jz @F\r |
db8f40e2 | 44 | movq [edx], xmm0\r |
45 | add edx, 8\r | |
6e3b8c47 | 46 | dec ecx\r |
47 | @@:\r | |
6e3b8c47 | 48 | shr ecx, 1\r |
49 | jz @SetQwords\r | |
db8f40e2 | 50 | movlhps xmm0, xmm0\r |
6e3b8c47 | 51 | @@:\r |
db8f40e2 | 52 | movntdq [edx], xmm0\r |
53 | lea edx, [edx + 16]\r | |
6e3b8c47 | 54 | loop @B\r |
55 | mfence\r | |
56 | @SetQwords:\r | |
db8f40e2 | 57 | jnc @F\r |
58 | movq [edx], xmm0\r | |
6e3b8c47 | 59 | @@:\r |
60 | ret\r | |
61 | InternalMemSetMem64 ENDP\r | |
62 | \r | |
63 | END\r |