MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm

   1 ;------------------------------------------------------------------------------ ;
   2 ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
   3 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   4 ;
   5 ; Module Name:
   6 ;
   7 ;   CpuFlushTlb.Asm
   8 ;
   9 ; Abstract:
  10 ;
  11 ;   CpuFlushTlb function
  12 ;
  13 ; Notes:
  14 ;
  15 ;------------------------------------------------------------------------------
  16
  17     SECTION .text
  18
  19 ;------------------------------------------------------------------------------
  20 ; VOID
  21 ; EFIAPI
  22 ; CpuFlushTlb (
  23 ;   VOID
  24 ;   );
  25 ;------------------------------------------------------------------------------
  26 global ASM_PFX(CpuFlushTlb)
  27 ASM_PFX(CpuFlushTlb):
  28     mov     eax, cr3
  29     mov     cr3, eax                    ; moving to CR3 flushes TLB
  30     ret
  31