IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c

   1 /** @file
   2
   3   Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
   4   SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6 **/
   7
   8 #include <Uefi.h>
   9 #include <Library/BaseLib.h>
  10 #include <Library/CacheAsRamLib.h>
  11
  12 /**
  13   This function disable CAR.
  14
  15   @param[in] DisableCar       TRUE means use INVD, FALSE means use WBINVD
  16
  17 **/
  18 VOID
  19 EFIAPI
  20 DisableCacheAsRam (
  21   IN BOOLEAN                   DisableCar
  22   )
  23 {
  24   //
  25   // Disable CAR
  26   //
  27
  28   if (DisableCar) {
  29     AsmInvd ();
  30   } else {
  31     AsmWbinvd();
  32   }
  33
  34   return ;
  35 }