projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 762e073a LG |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;*\r | |
| 3 | ;* Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | ;* 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 | ;* CpuAsm.nasm\r | |
| 13 | ;*\r | |
| 14 | ;* Abstract:\r | |
| 15 | ;*\r | |
| 16 | ;------------------------------------------------------------------------------\r | |
| 17 | \r | |
| 18 | SECTION .text\r | |
| 19 | \r | |
| 20 | ;------------------------------------------------------------------------------\r | |
| 21 | ; VOID\r | |
| 22 | ; SetCodeSelector (\r | |
| 23 | ; UINT16 Selector\r | |
| 24 | ; );\r | |
| 25 | ;------------------------------------------------------------------------------\r | |
| 26 | global ASM_PFX(SetCodeSelector)\r | |
| 27 | ASM_PFX(SetCodeSelector):\r | |
| 28 | mov ecx, [esp+4]\r | |
| 29 | sub esp, 0x10\r | |
| 30 | lea eax, [setCodeSelectorLongJump]\r | |
| 31 | mov [esp], eax\r | |
| 32 | mov [esp+4], cx\r | |
| 33 | jmp dword far [esp]\r | |
| 34 | setCodeSelectorLongJump:\r | |
| 35 | add esp, 0x10\r | |
| 36 | ret\r | |
| 37 | \r | |
| 38 | ;------------------------------------------------------------------------------\r | |
| 39 | ; VOID\r | |
| 40 | ; SetDataSelectors (\r | |
| 41 | ; UINT16 Selector\r | |
| 42 | ; );\r | |
| 43 | ;------------------------------------------------------------------------------\r | |
| 44 | global ASM_PFX(SetDataSelectors)\r | |
| 45 | ASM_PFX(SetDataSelectors):\r | |
| 46 | mov ecx, [esp+4]\r | |
| 47 | o16 mov ss, cx\r | |
| 48 | o16 mov ds, cx\r | |
| 49 | o16 mov es, cx\r | |
| 50 | o16 mov fs, cx\r | |
| 51 | o16 mov gs, cx\r | |
| 52 | ret\r | |
| 53 | \r |