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1 | ;------------------------------------------------------------------------------\r | |
2 | ;*\r | |
3 | ;* Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
4 | ;* SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
5 | ;*\r | |
6 | ;* CpuAsm.nasm\r | |
7 | ;*\r | |
8 | ;* Abstract:\r | |
9 | ;*\r | |
10 | ;------------------------------------------------------------------------------\r | |
11 | \r | |
12 | DEFAULT REL\r | |
13 | SECTION .text\r | |
14 | \r | |
15 | ;------------------------------------------------------------------------------\r | |
16 | ; VOID\r | |
17 | ; SetCodeSelector (\r | |
18 | ; UINT16 Selector\r | |
19 | ; );\r | |
20 | ;------------------------------------------------------------------------------\r | |
21 | global ASM_PFX(SetCodeSelector)\r | |
22 | ASM_PFX(SetCodeSelector):\r | |
23 | push rcx\r | |
24 | lea rax, [setCodeSelectorLongJump]\r | |
25 | push rax\r | |
26 | o64 retf\r | |
27 | setCodeSelectorLongJump:\r | |
28 | ret\r | |
29 | \r | |
30 | ;------------------------------------------------------------------------------\r | |
31 | ; VOID\r | |
32 | ; SetDataSelectors (\r | |
33 | ; UINT16 Selector\r | |
34 | ; );\r | |
35 | ;------------------------------------------------------------------------------\r | |
36 | global ASM_PFX(SetDataSelectors)\r | |
37 | ASM_PFX(SetDataSelectors):\r | |
38 | o16 mov ss, cx\r | |
39 | o16 mov ds, cx\r | |
40 | o16 mov es, cx\r | |
41 | o16 mov fs, cx\r | |
42 | o16 mov gs, cx\r | |
43 | ret\r | |
44 | \r |