1;------------------------------------------------------------------------------ 2; 3; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4; This program and the accompanying materials 5; are licensed and made available under the terms and conditions of the BSD License 6; which accompanies this distribution. The full text of the license may be found at 7; http://opensource.org/licenses/bsd-license.php. 8; 9; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11; 12; Module Name: 13; 14; EnablePaging32.Asm 15; 16; Abstract: 17; 18; AsmEnablePaging32 function 19; 20; Notes: 21; 22;------------------------------------------------------------------------------ 23 24 .386 25 .model flat,C 26 .code 27 28;------------------------------------------------------------------------------ 29; VOID 30; EFIAPI 31; InternalX86EnablePaging32 ( 32; IN SWITCH_STACK_ENTRY_POINT EntryPoint, 33; IN VOID *Context1, OPTIONAL 34; IN VOID *Context2, OPTIONAL 35; IN VOID *NewStack 36; ); 37;------------------------------------------------------------------------------ 38InternalX86EnablePaging32 PROC 39 mov ebx, [esp + 4] 40 mov ecx, [esp + 8] 41 mov edx, [esp + 12] 42 pushfd 43 pop edi ; save flags in edi 44 cli 45 mov eax, cr0 46 bts eax, 31 47 mov esp, [esp + 16] 48 mov cr0, eax 49 push edi 50 popfd ; restore flags 51 push edx 52 push ecx 53 call ebx 54 jmp $ 55InternalX86EnablePaging32 ENDP 56 57 END 58