diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLib/CopyMem.c')
-rw-r--r-- | MdePkg/Library/BaseMemoryLib/CopyMem.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/MdePkg/Library/BaseMemoryLib/CopyMem.c b/MdePkg/Library/BaseMemoryLib/CopyMem.c deleted file mode 100644 index 37f03660df..0000000000 --- a/MdePkg/Library/BaseMemoryLib/CopyMem.c +++ /dev/null @@ -1,62 +0,0 @@ -/** @file
- Implementation of the InternalMemCopyMem 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"
-
-/**
- Copy Length bytes from Source to Destination.
-
- @param DestinationBuffer The target of the copy request.
- @param SourceBuffer The place to copy from.
- @param Length The number of bytes to copy.
-
- @return Destination
-
-**/
-VOID *
-EFIAPI
-InternalMemCopyMem (
- OUT VOID *DestinationBuffer,
- IN CONST VOID *SourceBuffer,
- IN UINTN Length
- )
-{
- //
- // Declare the local variables that actually move the data elements as
- // volatile to prevent the optimizer from replacing this function with
- // the intrinsic memcpy()
- //
- volatile UINT8 *Destination8;
- CONST UINT8 *Source8;
-
- if (SourceBuffer > DestinationBuffer) {
- Destination8 = (UINT8*)DestinationBuffer;
- Source8 = (CONST UINT8*)SourceBuffer;
- while (Length-- != 0) {
- *(Destination8++) = *(Source8++);
- }
- } else if (SourceBuffer < DestinationBuffer) {
- Destination8 = (UINT8*)DestinationBuffer + Length;
- Source8 = (CONST UINT8*)SourceBuffer + Length;
- while (Length-- != 0) {
- *(--Destination8) = *(--Source8);
- }
- }
- return DestinationBuffer;
-}
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