--- /dev/null
+/** @file\r
+\r
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php.\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Uefi.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/CacheAsRamLib.h>\r
+\r
+/**\r
+ This function disable CAR.\r
+\r
+ @param[in] DisableCar TRUE means use INVD, FALSE means use WBINVD\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+DisableCacheAsRam (\r
+ IN BOOLEAN DisableCar\r
+ )\r
+{\r
+ //\r
+ // Disable CAR\r
+ //\r
+\r
+ if (DisableCar) {\r
+ AsmInvd ();\r
+ } else {\r
+ AsmWbinvd();\r
+ }\r
+\r
+ return ;\r
+}\r