diff options
Diffstat (limited to 'include/asm-v850/byteorder.h')
| -rw-r--r-- | include/asm-v850/byteorder.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-v850/byteorder.h b/include/asm-v850/byteorder.h new file mode 100644 index 00000000000..a6f07530050 --- /dev/null +++ b/include/asm-v850/byteorder.h @@ -0,0 +1,48 @@ +/* + * 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__ */ |