+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008, Intel Corporation
+# 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:
+#
+# RuntimeLibAsm.S
+#
+# Abstract:
+#
+#
+#------------------------------------------------------------------------------
+#include <EfiBind.h>
+
+.text
+
+.global ASM_PFX(EfiCpuFlushCache)
+#------------------------------------------------------------------------------
+#EFI_STATUS
+#EfiCpuFlushCache (
+# IN EFI_PHYSICAL_ADDRESS Start,
+# IN UINT64 Length
+# );
+#------------------------------------------------------------------------------
+
+ASM_PFX(EfiCpuFlushCache):
+ wbinvd
+ mov $0, %rax
+ ret
+