diff options
Diffstat (limited to 'Core/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c')
-rw-r--r-- | Core/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Core/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c b/Core/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c new file mode 100644 index 0000000000..9b45163c34 --- /dev/null +++ b/Core/IntelFsp2Pkg/Library/BaseCacheAsRamLibNull/DisableCacheAsRamNull.c @@ -0,0 +1,41 @@ +/** @file
+
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/CacheAsRamLib.h>
+
+/**
+ This function disable CAR.
+
+ @param[in] DisableCar TRUE means use INVD, FALSE means use WBINVD
+
+**/
+VOID
+EFIAPI
+DisableCacheAsRam (
+ IN BOOLEAN DisableCar
+ )
+{
+ //
+ // Disable CAR
+ //
+
+ if (DisableCar) {
+ AsmInvd ();
+ } else {
+ AsmWbinvd();
+ }
+
+ return ;
+}
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