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fe945935 JJ |
1 | ;------------------------------------------------------------------------------\r |
2 | ;\r | |
3 | ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r | |
9344f092 | 4 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r |
fe945935 JJ |
5 | ;\r |
6 | ; Module Name:\r | |
7 | ;\r | |
8 | ; Mwait.Asm\r | |
9 | ;\r | |
10 | ; Abstract:\r | |
11 | ;\r | |
12 | ; AsmMwait function\r | |
13 | ;\r | |
14 | ; Notes:\r | |
15 | ;\r | |
16 | ;------------------------------------------------------------------------------\r | |
17 | \r | |
18 | DEFAULT REL\r | |
19 | SECTION .text\r | |
20 | \r | |
21 | ;------------------------------------------------------------------------------\r | |
22 | ; UINT64\r | |
23 | ; EFIAPI\r | |
24 | ; AsmMwait (\r | |
25 | ; IN UINTN Eax,\r | |
26 | ; IN UINTN Ecx\r | |
27 | ; );\r | |
28 | ;------------------------------------------------------------------------------\r | |
29 | global ASM_PFX(AsmMwait)\r | |
30 | ASM_PFX(AsmMwait):\r | |
31 | mov eax, ecx\r | |
32 | mov ecx, edx\r | |
33 | DB 0xf, 1, 0xc9 ; mwait\r | |
34 | ret\r | |
35 | \r |