1 files changed, 53 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseMemoryLib/SetMem.c b/Core/MdePkg/Library/BaseMemoryLib/SetMem.c
new file mode 100644
index 0000000000..5e74085c56
--- /dev/null
+++ b/Core/MdePkg/Library/BaseMemoryLib/SetMem.c
@@ -0,0 +1,53 @@
+/** @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 - 2010, 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
+  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.
+
+**/
+
+
+
+
+#include "MemLibInternals.h"
+
+/**
+  Set Buffer to Value for Size bytes.
+
+  @param  Buffer   The memory to set.
+  @param  Length   The number of bytes to set.
+  @param  Value    The value of the set operation.
+
+  @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemSetMem (
+  OUT     VOID                      *Buffer,
+  IN      UINTN                     Length,
+  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 (Length-- > 0) {
+    *(Pointer++) = Value;
+  }
+  return Buffer;
+}