Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLib/SetMem.c

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+/** @file
+  Implementation of the EfiSetMem routine. This function is broken
+  out into its own source file so that it can be excluded from a
+  build for a particular platform easily if an optimized version
+  is desired.
+
+  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:  EfiSetMem.c
+
+**/
+
+
+/**
+  Set Buffer to Value for Size bytes.
+
+  @param  Buffer Memory to set.
+  @param  Size Number of bytes to set
+  @param  Value Value of the set operation.
+
+  @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem (
+  IN      VOID                      *Buffer,
+  IN      UINTN                     Size,
+  IN      UINT8                     Value
+  )
+{
+  //
+  // Declare the local variables that actually move the data elements as
+  // volatile to prevent the optimizer from replacing this function with
+  // the intrinsic memset()
+  //
+  volatile UINT8                    *Pointer;
+
+  Pointer = (UINT8*)Buffer;
+  while (Size-- != 0) {
+    *(Pointer++) = Value;
+  }
+  return Buffer;
+}