MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c

   1 /** @file
   2   CpuFlushTlb function.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15
  16
  17 /**
  18   Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
  19
  20   Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
  21
  22 **/
  23 VOID
  24 EFIAPI
  25 CpuFlushTlb (
  26   VOID
  27   )
  28 {
  29   _asm {
  30     mov     eax, cr3
  31     mov     cr3, eax
  32   }
  33 }
  34