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2ecd8299 HW |
1 | ;------------------------------------------------------------------------------ ;\r |
2 | ; Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>\r | |
9344f092 | 3 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r |
2ecd8299 HW |
4 | ;\r |
5 | ; Module Name:\r | |
6 | ;\r | |
7 | ; Lfence.nasm\r | |
8 | ;\r | |
9 | ; Abstract:\r | |
10 | ;\r | |
11 | ; Performs a serializing operation on all load-from-memory instructions that\r | |
12 | ; were issued prior to the call of this function.\r | |
13 | ;\r | |
14 | ; Notes:\r | |
15 | ;\r | |
16 | ;------------------------------------------------------------------------------\r | |
17 | \r | |
18 | SECTION .text\r | |
19 | \r | |
20 | ;------------------------------------------------------------------------------\r | |
21 | ; VOID\r | |
22 | ; EFIAPI\r | |
23 | ; AsmLfence (\r | |
24 | ; VOID\r | |
25 | ; );\r | |
26 | ;------------------------------------------------------------------------------\r | |
27 | global ASM_PFX(AsmLfence)\r | |
28 | ASM_PFX(AsmLfence):\r | |
29 | lfence\r | |
30 | ret\r |