[PATCH 1/4] MdePkg/CpuLib.h: Add CacheLineFlush function.

[Jiewen Yao <jiewen.yao@intel.com>]

This function will be used by IntelVTd driver.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
---
 MdePkg/Include/Library/CpuLib.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h
index 100020a..1b2f7e8 100644
--- a/MdePkg/Include/Library/CpuLib.h
+++ b/MdePkg/Include/Library/CpuLib.h
@@ -7,7 +7,7 @@
   PAL Calls require PEI and DXE specific mechanisms to look up PAL Entry Point.
   As a result, these services could not be defined in the Base Library.
 
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2017, 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
@@ -47,5 +47,15 @@ CpuFlushTlb (
   VOID
   );
 
+/**
+  Flushes one cache line.
+
+  Flushes one cache line. The size of cache line can be got by CPU register.
+**/
+VOID
+EFIAPI
+CacheLineFlush (
+  IN UINTN  Address
+  );
 
 #endif
-- 
2.7.4.windows.1