projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * include/asm-v850/byteorder.h -- Endian id and conversion ops | |
| 3 | * | |
| 4 | * Copyright (C) 2001 NEC Corporation | |
| 5 | * Copyright (C) 2001 Miles Bader <[email protected]> | |
| 6 | * | |
| 7 | * This file is subject to the terms and conditions of the GNU General | |
| 8 | * Public License. See the file COPYING in the main directory of this | |
| 9 | * archive for more details. | |
| 10 | * | |
| 11 | * Written by Miles Bader <[email protected]> | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef __V850_BYTEORDER_H__ | |
| 15 | #define __V850_BYTEORDER_H__ | |
| 16 | ||
| 17 | #include <asm/types.h> | |
| 18 | #include <linux/compiler.h> | |
| 19 | ||
| 20 | #ifdef __GNUC__ | |
| 21 | ||
| 22 | static __inline__ __attribute_const__ __u32 ___arch__swab32 (__u32 word) | |
| 23 | { | |
| 24 | __u32 res; | |
| 25 | __asm__ ("bsw %1, %0" : "=r" (res) : "r" (word)); | |
| 26 | return res; | |
| 27 | } | |
| 28 | ||
| 29 | static __inline__ __attribute_const__ __u16 ___arch__swab16 (__u16 half_word) | |
| 30 | { | |
| 31 | __u16 res; | |
| 32 | __asm__ ("bsh %1, %0" : "=r" (res) : "r" (half_word)); | |
| 33 | return res; | |
| 34 | } | |
| 35 | ||
| 36 | #define __arch__swab32(x) ___arch__swab32(x) | |
| 37 | #define __arch__swab16(x) ___arch__swab16(x) | |
| 38 | ||
| 39 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
| 40 | # define __BYTEORDER_HAS_U64__ | |
| 41 | # define __SWAB_64_THRU_32__ | |
| 42 | #endif | |
| 43 | ||
| 44 | #endif /* __GNUC__ */ | |
| 45 | ||
| 46 | #include <linux/byteorder/little_endian.h> | |
| 47 | ||
| 48 | #endif /* __V850_BYTEORDER_H__ */ |