MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.asm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; CpuFlushTlb() for ARM
   4 ;
   5 ; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
   6 ; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   7 ; This program and the accompanying materials
   8 ; are licensed and made available under the terms and conditions of the BSD License
   9 ; which accompanies this distribution.  The full text of the license may be found at
  10 ; http://opensource.org/licenses/bsd-license.php.
  11 ;
  12 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14 ;
  15 ;------------------------------------------------------------------------------
  16
  17   EXPORT CpuFlushTlb
  18   AREA cpu_flush_tlb, CODE, READONLY
  19
  20 ;/**
  21 ;  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
  22 ;
  23 ;  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
  24 ;
  25 ;**/
  26 ;VOID
  27 ;EFIAPI
  28 ;CpuFlushTlb (
  29 ;  VOID
  30 ;  );
  31 ;
  32 CpuFlushTlb
  33     MOV r0,#0
  34     MCR p15,0,r0,c8,c5,0        ;Invalidate all the unlocked entried in TLB
  35     BX LR
  36
  37   END