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diff --git a/OldMdePkg/Library/BaseMemoryLib/ZeroMemWrapper.c b/OldMdePkg/Library/BaseMemoryLib/ZeroMemWrapper.c
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index 0000000000..90e607c0ce
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+++ b/OldMdePkg/Library/BaseMemoryLib/ZeroMemWrapper.c
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+/** @file
+  ZeroMem() implementation.
+
+  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:  ZeroMemWrapper.c
+
+  The following BaseMemoryLib instances share the same version of this file:
+
+    BaseMemoryLib
+    BaseMemoryLibMmx
+    BaseMemoryLibSse2
+    BaseMemoryLibRepStr
+    PeiMemoryLib
+    DxeMemoryLib
+
+**/
+
+#include "MemLibInternals.h"
+
+/**
+  Fills a target buffer with zeros, and returns the target buffer.
+
+  This function fills Length bytes of Buffer with zeros, and returns Buffer.
+  If Length > 0 and Buffer is NULL, then ASSERT().
+  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+
+  @param  Buffer      Pointer to the target buffer to fill with zeros.
+  @param  Length      Number of bytes in Buffer to fill with zeros.
+
+  @return Buffer.
+
+**/
+VOID *
+EFIAPI
+ZeroMem (
+  OUT VOID  *Buffer,
+  IN UINTN  Length
+  )
+{
+  ASSERT (!(Buffer == NULL && Length > 0));
+  ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));
+  return InternalMemZeroMem (Buffer, Length);
+}