47 lines
2.1 KiB
C
47 lines
2.1 KiB
C
/* $NetBSD: bswap.h,v 1.5 2005/12/11 12:18:43 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 Tsubai Masanari. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _POWERPC_BSWAP_H_
|
|
#define _POWERPC_BSWAP_H_
|
|
|
|
#include <sys/bswap.h>
|
|
|
|
#ifdef __GNUC__
|
|
#define __bswap16_const(x) ((((x) & 0xff00) >> 8) | (((x) & 0x00ff) << 8))
|
|
#define __bswap16(x) (__builtin_constant_p(x) ? __bswap16_const(x) : bswap16(x))
|
|
#define bswap16(x) __bswap16(x)
|
|
|
|
#define __bswap32_const(x) \
|
|
((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
|
|
(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
|
|
#define __bswap32(x) (__builtin_constant_p(x) ? __bswap32_const(x) : bswap32(x))
|
|
#define bswap32(x) __bswap32(x)
|
|
#endif
|
|
|
|
#endif /* _POWERPC_BSWAP_H_ */
|