1 files changed, 95 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseCacheMaintenanceLib/x86Cache.c b/MdePkg/Library/BaseCacheMaintenanceLib/x86Cache.c
new file mode 100644
index 0000000000..f86d9d6221
--- /dev/null
+++ b/MdePkg/Library/BaseCacheMaintenanceLib/x86Cache.c
@@ -0,0 +1,95 @@
+/** @file
+  Cache Maintenance Functions.
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  All rights reserved. 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.
+
+  Module Name:  x86Cache.c
+
+**/
+
+VOID
+EFIAPI
+InvalidateInstructionCache (
+  VOID
+  )
+{
+  return;
+}
+
+VOID *
+EFIAPI
+InvalidateInstructionCacheRange (
+  IN      VOID                      *Address,
+  IN      UINTN                     Length
+  )
+{
+  return Address;
+}
+
+VOID
+EFIAPI
+WriteBackInvalidateDataCache (
+  VOID
+  )
+{
+  AsmWbinvd ();
+}
+
+VOID *
+EFIAPI
+WriteBackInvalidateDataCacheRange (
+  IN      VOID                      *Address,
+  IN      UINTN                     Length
+  )
+{
+  if (Length != 0) {
+    AsmWbinvd ();
+  }
+  return Address;
+}
+
+VOID
+EFIAPI
+WriteBackDataCache (
+  VOID
+  )
+{
+  AsmWbinvd ();
+}
+
+VOID *
+EFIAPI
+WriteBackDataCacheRange (
+  IN      VOID                      *Address,
+  IN      UINTN                     Length
+  )
+{
+  AsmWbinvd ();
+  return Address;
+}
+
+VOID
+EFIAPI
+InvalidateDataCache (
+  VOID
+  )
+{
+  AsmInvd ();
+}
+
+VOID *
+EFIAPI
+InvalidateDataCacheRange (
+  IN      VOID                      *Address,
+  IN      UINTN                     Length
+  )
+{
+  return Address;
+}