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| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-21 22:04:35 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-21 22:04:35 +0000 |
| commit | d39eb83cc5ce2147264e2ea3566c4dbf7eb9888d (patch) | |
| tree | b606874083dc56330d7b1650599d620f39f0b1df /ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c | |
| parent | d02b28d736c19b9a59690008e56c63e839fcf28f (diff) | |
| download | edk2-platforms-d39eb83cc5ce2147264e2ea3566c4dbf7eb9888d.tar.xz | |
Add some ldm/vldm optimized CopyMem routines. Add performance macros to BDS
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10388 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c')
| -rwxr-xr-x | ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c b/ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c new file mode 100755 index 0000000000..2923356f13 --- /dev/null +++ b/ArmPkg/Library/BaseMemoryLibVstm/ZeroMemWrapper.c @@ -0,0 +1,52 @@ +/** @file
+ ZeroMem() implementation.
+
+ 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<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.
+
+**/
+
+#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);
+}
|