Add IntelFsp2Pkg and IntelFsp2WrapperPkg.

[mirror_edk2.git] / IntelFsp2Pkg / Library / BaseCacheAsRamLibNull / DisableCacheAsRamNull.c

diff --git a/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c b/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c
new file mode 100644 (file)
index 0000000..9b45163
--- /dev/null
+++ b/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c
@@ -0,0 +1,41 @@
+/** @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