MdePkg/Library/UefiMemoryLib/MemLib.c

   1 /** @file
   2   Base Memory Library functions implementation bases on Uefi Boot Service.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include "MemLibInternals.h"
  10
  11 /**
  12   Copies a source buffer to a destination buffer, and returns the destination buffer.
  13
  14   This function wraps the gBS->CopyMem().
  15
  16   @param  DestinationBuffer   The pointer to the destination buffer of the memory copy.
  17   @param  SourceBuffer        The pointer to the source buffer of the memory copy.
  18   @param  Length              The number of bytes to copy from SourceBuffer to DestinationBuffer.
  19
  20   @return DestinationBuffer.
  21
  22 **/
  23 VOID *
  24 EFIAPI
  25 InternalMemCopyMem (
  26   OUT     VOID                      *Destination,
  27   IN      CONST VOID                *Source,
  28   IN      UINTN                     Length
  29   )
  30 {
  31   gBS->CopyMem (Destination, (VOID*)Source, Length);
  32   return Destination;
  33 }
  34
  35 /**
  36   Fills a target buffer with a byte value, and returns the target buffer.
  37
  38   This function wraps the gBS->SetMem().
  39
  40   @param  Buffer    Memory to set.
  41   @param  Size      The number of bytes to set.
  42   @param  Value     Value of the set operation.
  43
  44   @return Buffer.
  45
  46 **/
  47 VOID *
  48 EFIAPI
  49 InternalMemSetMem (
  50   OUT     VOID                      *Buffer,
  51   IN      UINTN                     Size,
  52   IN      UINT8                     Value
  53   )
  54 {
  55   gBS->SetMem (Buffer, Size, Value);
  56   return Buffer;
  57 }