projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b85a6ffb LG |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;*\r | |
| 3 | ;* Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 0acd8697 | 4 | ;* SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| b85a6ffb LG |
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 | sub rsp, 0x10\r | |
| 24 | lea rax, [setCodeSelectorLongJump]\r | |
| 25 | mov [rsp], rax\r | |
| cee5b044 GD |
26 | mov [rsp+8], cx\r |
| 27 | jmp qword far [rsp]\r | |
| b85a6ffb LG |
28 | setCodeSelectorLongJump:\r |
| 29 | add rsp, 0x10\r | |
| 30 | ret\r | |
| 31 | \r | |
| 32 | ;------------------------------------------------------------------------------\r | |
| 33 | ; VOID\r | |
| 34 | ; SetDataSelectors (\r | |
| 35 | ; UINT16 Selector\r | |
| 36 | ; );\r | |
| 37 | ;------------------------------------------------------------------------------\r | |
| 38 | global ASM_PFX(SetDataSelectors)\r | |
| 39 | ASM_PFX(SetDataSelectors):\r | |
| 40 | o16 mov ss, cx\r | |
| 41 | o16 mov ds, cx\r | |
| 42 | o16 mov es, cx\r | |
| 43 | o16 mov fs, cx\r | |
| 44 | o16 mov gs, cx\r | |
| 45 | ret\r | |
| 46 | \r |