firmware/include/memory.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Jens Arnold
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _MEMORY_H_
  23 #define _MEMORY_H_
  24
  25 #include <sys/types.h>
  26
  27 void memset16(void *dst, int val, size_t len);
  28
  29 /**
  30  * memswap128
  31  *
  32  * Exchanges the contents of two buffers.
  33  * For maximum efficiency, this function performs no aligning of addresses
  34  * and buf1, buf2 and len should be 16 byte (128 bit) aligned. Not being at
  35  * least longword aligned will fail on some architechtures. Any len mod 16
  36  * at the end is not swapped.
  37  */
  38 void memswap128(void *buf1, void *buf2, size_t len);
  39
  40 #endif /* _MEMORY_H_ */