MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S

   1 #------------------------------------------------------------------------------
   2 # Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   3 # This program and the accompanying materials
   4 # are licensed and made available under the terms and conditions of the BSD License
   5 # which accompanies this distribution.  The full text of the license may be found at
   6 # http://opensource.org/licenses/bsd-license.php
   7 #
   8 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   9 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  10 #
  11 # Module Name:
  12 #
  13 #   CpuFlushTlb.Asm
  14 #
  15 # Abstract:
  16 #
  17 #   CpuFlushTlb function
  18 #
  19 # Notes:
  20 #
  21 #------------------------------------------------------------------------------
  22
  23 ASM_GLOBAL ASM_PFX(CpuFlushTlb)
  24
  25 #------------------------------------------------------------------------------
  26 # VOID
  27 # EFIAPI
  28 # CpuFlushTlb (
  29 #   VOID
  30 #   );
  31 #------------------------------------------------------------------------------
  32 ASM_PFX(CpuFlushTlb):
  33     mov     %cr3, %rax
  34     mov     %rax, %cr3
  35     ret