2014-01-23 06:27:14 +01:00
|
|
|
#/*++
|
|
|
|
#
|
|
|
|
#Copyright (c) 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:
|
|
|
|
#
|
|
|
|
#CpuFlushCache.c
|
|
|
|
#
|
|
|
|
#Abstract:
|
|
|
|
#
|
|
|
|
#Cpu Flush Cache Function.
|
|
|
|
#
|
|
|
|
#--*/
|
|
|
|
#---------------------------------------------------------------------------
|
|
|
|
#include <EfiBind.h>
|
|
|
|
|
|
|
|
.586p:
|
|
|
|
#.MODEL flat,C
|
|
|
|
.code:
|
|
|
|
|
|
|
|
#---------------------------------------------------------------------------
|
|
|
|
.globl ASM_PFX(EfiCpuFlushCache)
|
|
|
|
|
|
|
|
#
|
|
|
|
#//
|
|
|
|
#// 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
|
|
|
|
#
|
|
|
|
#--*/
|
|
|
|
ASM_PFX(EfiCpuFlushCache):
|
|
|
|
wbinvd
|
|
|
|
xorl %eax, %eax
|
|
|
|
ret
|