target/linux/ubicom32/files/arch/ubicom32/include/asm/swab.h

   1 /*
   2  * arch/ubicom32/include/asm/byteorder.h
   3  *   Byte order swapping utility routines.
   4  *
   5  * (C) Copyright 2009, Ubicom, Inc.
   6  *
   7  * This file is part of the Ubicom32 Linux Kernel Port.
   8  *
   9  * The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10  * it and/or modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation, either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  * the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with the Ubicom32 Linux Kernel Port.  If not,
  21  * see <http://www.gnu.org/licenses/>.
  22  *
  23  * Ubicom32 implementation derived from (with many thanks):
  24  *   arch/m68knommu
  25  *   arch/blackfin
  26  *   arch/parisc
  27  */
  28 #ifndef _ASM_UBICOM32_BYTEORDER_H
  29 #define _ASM_UBICOM32_BYTEORDER_H
  30
  31 #include <linux/types.h>
  32
  33 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
  34 #  define __BYTEORDER_HAS_U64__
  35 #  define __SWAB_64_THRU_32__
  36 #endif
  37
  38 #if defined(IP7000) || defined(IP7000_REV2)
  39
  40 #define __arch__swab16 __builtin_ubicom32_swapb_2
  41 #define __arch__swab32 __builtin_ubicom32_swapb_4
  42
  43 #endif /* IP7000 */
  44
  45 #endif /* _ASM_UBICOM32_BYTEORDER_H */