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      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 .text
     18 .p2align 2
     19 GCC_ASM_EXPORT(CpuFlushTlb)
     20 
     21 #/**
     22 #  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
     23 #
     24 #  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
     25 #
     26 #**/
     27 #VOID
     28 #EFIAPI
     29 #CpuFlushTlb (
     30 #  VOID
     31 #  )#
     32 #
     33 ASM_PFX(CpuFlushTlb):
     34     mov r0,#0
     35     mcr p15,0,r0,c8,c5,0        // Invalidate all the unlocked entried in TLB
     36     bx  LR
     37