;------------------------------------------------------------------------------ ; ; 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: ; ; EnableCache.Asm ; ; Abstract: ; ; Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear ; the NW bit of CR0 to 0 ; ; Notes: ; ;------------------------------------------------------------------------------ .486p .model flat,C .code ;------------------------------------------------------------------------------ ; VOID ; EFIAPI ; AsmEnableCache ( ; VOID ; ); ;------------------------------------------------------------------------------ AsmEnableCache PROC wbinvd mov eax, cr0 btr eax, 29 btr eax, 30 mov cr0, eax ret AsmEnableCache ENDP END