15c952e728
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10597 6f19259b-4bc3-4df7-8a09-765794883524
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/** @file
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Implementation of the EfiSetMem routine. This function is broken
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out into its own source file so that it can be excluded from a
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build for a particular platform easily if an optimized version
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is desired.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "MemLibInternals.h"
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/**
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Set Buffer to Value for Size bytes.
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@param Buffer The memory to set.
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@param Length The number of bytes to set.
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@param Value The value of the set operation.
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@return Buffer
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**/
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VOID *
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EFIAPI
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InternalMemSetMem (
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OUT VOID *Buffer,
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IN UINTN Length,
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IN UINT8 Value
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)
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{
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//
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// Declare the local variables that actually move the data elements as
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// volatile to prevent the optimizer from replacing this function with
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// the intrinsic memset()
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//
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volatile UINT8 *Pointer;
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Pointer = (UINT8*)Buffer;
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while (Length-- > 0) {
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*(Pointer++) = Value;
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}
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return Buffer;
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}
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