1 TITLE CpuAsm.asm: 2 ;------------------------------------------------------------------------------ 3 ;* 4 ;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> 5 ;* This program and the accompanying materials 6 ;* are licensed and made available under the terms and conditions of the BSD License 7 ;* which accompanies this distribution. The full text of the license may be found at 8 ;* http://opensource.org/licenses/bsd-license.php 9 ;* 10 ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 ;* 13 ;* CpuAsm.asm 14 ;* 15 ;* Abstract: 16 ;* 17 ;------------------------------------------------------------------------------ 18 19 .686 20 .model flat,C 21 .code 22 23 ;------------------------------------------------------------------------------ 24 ; VOID 25 ; SetCodeSelector ( 26 ; UINT16 Selector 27 ; ); 28 ;------------------------------------------------------------------------------ 29 SetCodeSelector PROC PUBLIC 30 mov ecx, [esp+4] 31 sub esp, 0x10 32 lea eax, setCodeSelectorLongJump 33 mov [esp], eax 34 mov [esp+4], cx 35 jmp fword ptr [esp] 36 setCodeSelectorLongJump: 37 add esp, 0x10 38 ret 39 SetCodeSelector ENDP 40 41 ;------------------------------------------------------------------------------ 42 ; VOID 43 ; SetDataSelectors ( 44 ; UINT16 Selector 45 ; ); 46 ;------------------------------------------------------------------------------ 47 SetDataSelectors PROC PUBLIC 48 mov ecx, [esp+4] 49 mov ss, cx 50 mov ds, cx 51 mov es, cx 52 mov fs, cx 53 mov gs, cx 54 ret 55 SetDataSelectors ENDP 56 57 58 END 59