49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
|
/*
|
||
|
|
* include/asm-v850/byteorder.h -- Endian id and conversion ops
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001 NEC Corporation
|
||
|
|
* Copyright (C) 2001 Miles Bader <miles@gnu.org>
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General
|
||
|
|
* Public License. See the file COPYING in the main directory of this
|
||
|
|
* archive for more details.
|
||
|
|
*
|
||
|
|
* Written by Miles Bader <miles@gnu.org>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __V850_BYTEORDER_H__
|
||
|
|
#define __V850_BYTEORDER_H__
|
||
|
|
|
||
|
|
#include <asm/types.h>
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
|
||
|
|
#ifdef __GNUC__
|
||
|
|
|
||
|
|
static __inline__ __attribute_const__ __u32 ___arch__swab32 (__u32 word)
|
||
|
|
{
|
||
|
|
__u32 res;
|
||
|
|
__asm__ ("bsw %1, %0" : "=r" (res) : "r" (word));
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
static __inline__ __attribute_const__ __u16 ___arch__swab16 (__u16 half_word)
|
||
|
|
{
|
||
|
|
__u16 res;
|
||
|
|
__asm__ ("bsh %1, %0" : "=r" (res) : "r" (half_word));
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define __arch__swab32(x) ___arch__swab32(x)
|
||
|
|
#define __arch__swab16(x) ___arch__swab16(x)
|
||
|
|
|
||
|
|
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
|
||
|
|
# define __BYTEORDER_HAS_U64__
|
||
|
|
# define __SWAB_64_THRU_32__
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __GNUC__ */
|
||
|
|
|
||
|
|
#include <linux/byteorder/little_endian.h>
|
||
|
|
|
||
|
|
#endif /* __V850_BYTEORDER_H__ */
|