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e1f414b6 | 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 | |
31 | ; EFIAPI\r | |
32 | ; InternalMemSetMem64 (\r | |
33 | ; IN VOID *Buffer,\r | |
34 | ; IN UINTN Count,\r | |
35 | ; IN UINT64 Value\r | |
36 | ; )\r | |
37 | ;------------------------------------------------------------------------------\r | |
38 | InternalMemSetMem64 PROC\r | |
39 | mov eax, [esp + 4] ; eax <- Buffer\r | |
40 | mov ecx, [esp + 8] ; ecx <- Count\r | |
41 | test al, 8\r | |
42 | mov edx, eax\r | |
15d10a4c | 43 | movq xmm0, qword ptr [esp + 12]\r |
e1f414b6 | 44 | jz @F\r |
15d10a4c | 45 | movq qword ptr [edx], xmm0\r |
e1f414b6 | 46 | add edx, 8\r |
47 | dec ecx\r | |
48 | @@:\r | |
49 | shr ecx, 1\r | |
50 | jz @SetQwords\r | |
51 | movlhps xmm0, xmm0\r | |
52 | @@:\r | |
53 | movntdq [edx], xmm0\r | |
54 | lea edx, [edx + 16]\r | |
55 | loop @B\r | |
56 | mfence\r | |
57 | @SetQwords:\r | |
58 | jnc @F\r | |
15d10a4c | 59 | movq qword ptr [edx], xmm0\r |
e1f414b6 | 60 | @@:\r |
61 | ret\r | |
62 | InternalMemSetMem64 ENDP\r | |
63 | \r | |
64 | END\r |