audk/EdkCompatibilityPkg/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/CpuFlushCache.asm

62 lines
1.5 KiB
NASM

;/*++
;
;Copyright (c) 2008, Intel Corporation
;All rights reserved. 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:
;
;CpuFlushCache.c
;
;Abstract:
;
;Cpu Flush Cache Function.
;
;--*/
;---------------------------------------------------------------------------
.586p
.model flat,C
.code
;---------------------------------------------------------------------------
;
;//
;// Cache Flush Routine.
;//
;EFI_STATUS
;EfiCpuFlushCache (
;IN EFI_PHYSICAL_ADDRESS Start,
; IN UINT64 Length
;)
;/*++
;
;Routine Description:
;
;Flush cache with specified range.
;
;Arguments:
;
;Start - Start address
; Length - Length in bytes
;
;Returns:
;
;Status code
;
;EFI_SUCCESS - success
;
;--*/
EfiCpuFlushCache PROC
wbinvd
xor eax, eax
ret
EfiCpuFlushCache ENDP
END