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

;

; Copyright (c) 2006 - 2008, 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:

;

; DisableCache.Asm

;

; Abstract:

;

; Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a

; WBINVD instruction.

;

; Notes:

;

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

.486p

.model flat,C

.code

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

; VOID

; EFIAPI

; AsmDisableCache (

; VOID

; );

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

AsmDisableCache PROC

mov eax, cr0

bts eax, 30

btr eax, 29

mov cr0, eax

wbinvd

ret

AsmDisableCache ENDP

END