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

   1 ;/*++
   2 ;
   3 ;Copyright (c) 2008, Intel Corporation
   4 ;All rights reserved. This program and the accompanying materials
   5 ;are licensed and made available under the terms and conditions of the BSD License
   6 ;which accompanies this distribution.  The full text of the license may be found at
   7 ;http://opensource.org/licenses/bsd-license.php
   8                                                                                           ;
   9 ;THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 ;WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 ;
  12 ;Module Name:
  13 ;
  14     ;CpuFlushCache.c
  15 ;
  16 ;Abstract:
  17 ;
  18  ;Cpu Flush Cache Function.
  19 ;
  20 ;--*/
  21 ;---------------------------------------------------------------------------
  22     .586p
  23     .model  flat,C
  24     .code
  25
  26 ;---------------------------------------------------------------------------
  27 ;
  28 ;//
  29 ;// Cache Flush Routine.
  30 ;//
  31 ;EFI_STATUS
  32 ;EfiCpuFlushCache (
  33   ;IN EFI_PHYSICAL_ADDRESS          Start,
  34 ;  IN UINT64                        Length
  35   ;)
  36 ;/*++
  37 ;
  38 ;Routine Description:
  39 ;
  40   ;Flush cache with specified range.
  41 ;
  42 ;Arguments:
  43 ;
  44   ;Start   - Start address
  45 ;  Length  - Length in bytes
  46 ;
  47 ;Returns:
  48 ;
  49   ;Status code
  50 ;
  51   ;EFI_SUCCESS - success
  52 ;
  53 ;--*/
  54 EfiCpuFlushCache        PROC
  55     wbinvd
  56         xor                     eax, eax
  57         ret
  58 EfiCpuFlushCache        ENDP
  59
  60         END
  61
  62