;------------------------------------------------------------------------------

;

; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>

; This program and the accompanying materials

; are licensed and made available under the terms and conditions of the BSD License

; which accompanies this distribution. The full text of the license may be found at

; http://opensource.org/licenses/bsd-license.php.

;

; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

;

; Module Name:

;

; DisablePaging32.Asm

;

; Abstract:

;

; AsmDisablePaging32 function

;

; Notes:

;

;------------------------------------------------------------------------------

.386

.model flat,C

.code

;------------------------------------------------------------------------------

; VOID

; EFIAPI

; InternalX86DisablePaging32 (

; IN SWITCH_STACK_ENTRY_POINT EntryPoint,

; IN VOID *Context1, OPTIONAL

; IN VOID *Context2, OPTIONAL

; IN VOID *NewStack

; );

;------------------------------------------------------------------------------

InternalX86DisablePaging32 PROC

mov ebx, [esp + 4]

mov ecx, [esp + 8]

mov edx, [esp + 12]

pushfd

pop edi ; save EFLAGS to edi

cli

mov eax, cr0

btr eax, 31

mov esp, [esp + 16]

mov cr0, eax

push edi

popfd ; restore EFLAGS from edi

push edx

push ecx

call ebx

jmp $ ; EntryPoint() should not return

InternalX86DisablePaging32 ENDP

END