/** @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; | |
} |