X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLib%2FSetMemWrapper.c;h=6d6ec38ae22070e751f98129fed9fd3c64b640e4;hp=294a27a75362e6b9286b93e30c695e4cd93c33ba;hb=2fcf0abf44c8705d7dfa078d1417f8823c36efe7;hpb=24de7645e857287d096b058f7a64fb7f618c0194

diff --git a/MdePkg/Library/BaseMemoryLib/SetMemWrapper.c b/MdePkg/Library/BaseMemoryLib/SetMemWrapper.c
index 294a27a753..6d6ec38ae2 100644
--- a/MdePkg/Library/BaseMemoryLib/SetMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLib/SetMemWrapper.c
@@ -1,52 +1,91 @@
 /** @file
-  SetMem() implementation.
+  SetMem() and SetMemN() 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:  SetMemWrapper.c
-
-  The following BaseMemoryLib instances share the same version of this file:
+  The following BaseMemoryLib instances contain the same copy of this file:
 
     BaseMemoryLib
     BaseMemoryLibMmx
     BaseMemoryLibSse2
     BaseMemoryLibRepStr
+    BaseMemoryLibOptDxe
+    BaseMemoryLibOptPei
     PeiMemoryLib
     UefiMemoryLib
 
+  Copyright (c) 2006 - 2009, 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.
+  Fills a target buffer with a byte value, and returns the target buffer.
 
   This function fills Length bytes of Buffer with Value, and returns Buffer.
-
+  
   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
 
-  @param  Buffer Memory to set.
-  @param  Size Number of bytes to set
-  @param  Value Value of the set operation.
+  @param  Buffer    Memory to set.
+  @param  Length    Number of bytes to set.
+  @param  Value     Value with which to fill Length bytes of Buffer.
 
-  @return Buffer
+  @return Buffer.
 
 **/
 VOID *
 EFIAPI
 SetMem (
-  IN      VOID                      *Buffer,
-  IN      UINTN                     Size,
-  IN      UINT8                     Value
+  OUT VOID  *Buffer,
+  IN UINTN  Length,
+  IN UINT8  Value
+  )
+{
+  if (Length == 0) {
+    return Buffer;
+  }
+
+  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
+
+  return InternalMemSetMem (Buffer, Length, Value);
+}
+
+/**
+  Fills a target buffer with a value that is size UINTN, and returns the target buffer.
+
+  This function fills Length bytes of Buffer with the UINTN sized value specified by
+  Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length
+  bytes of Buffer.
+
+  If Length > 0 and Buffer is NULL, then ASSERT().
+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+  If Buffer is not aligned on a UINTN boundary, then ASSERT().
+  If Length is not aligned on a UINTN boundary, then ASSERT().
+
+  @param  Buffer  Pointer to the target buffer to fill.
+  @param  Length  Number of bytes in Buffer to fill.
+  @param  Value   Value with which to fill Length bytes of Buffer.
+
+  @return Buffer.
+
+**/
+VOID *
+EFIAPI
+SetMemN (
+  OUT VOID  *Buffer,
+  IN UINTN  Length,
+  IN UINTN  Value
   )
 {
-  ASSERT (Size <= MAX_ADDRESS - (UINTN)Buffer + 1);
-  return InternalMemSetMem (Buffer, Size, Value);
+  if (sizeof (UINTN) == sizeof (UINT64)) {
+    return SetMem64 (Buffer, Length, (UINT64)Value);
+  } else {
+    return SetMem32 (Buffer, Length, (UINT32)Value);
+  }
 }