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| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __ASM_SH64_BYTEORDER_H |
| 2 | #define __ASM_SH64_BYTEORDER_H | |
| 3 | ||
| 4 | /* | |
| 5 | * This file is subject to the terms and conditions of the GNU General Public | |
| 6 | * License. See the file "COPYING" in the main directory of this archive | |
| 7 | * for more details. | |
| 8 | * | |
| 9 | * include/asm-sh64/byteorder.h | |
| 10 | * | |
| 11 | * Copyright (C) 2000, 2001 Paolo Alberelli | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #include <asm/types.h> | |
| 16 | ||
| 21264136 | 17 | static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) |
| 1da177e4 LT |
18 | { |
| 19 | __asm__("byterev %0, %0\n\t" | |
| 20 | "shari %0, 32, %0" | |
| 21 | : "=r" (x) | |
| 22 | : "0" (x)); | |
| 23 | return x; | |
| 24 | } | |
| 25 | ||
| 21264136 | 26 | static inline __attribute_const__ __u16 ___arch__swab16(__u16 x) |
| 1da177e4 LT |
27 | { |
| 28 | __asm__("byterev %0, %0\n\t" | |
| 29 | "shari %0, 48, %0" | |
| 30 | : "=r" (x) | |
| 31 | : "0" (x)); | |
| 32 | return x; | |
| 33 | } | |
| 34 | ||
| 35 | #define __arch__swab32(x) ___arch__swab32(x) | |
| 36 | #define __arch__swab16(x) ___arch__swab16(x) | |
| 37 | ||
| 38 | #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) | |
| 39 | # define __BYTEORDER_HAS_U64__ | |
| 40 | # define __SWAB_64_THRU_32__ | |
| 41 | #endif | |
| 42 | ||
| 43 | #ifdef __LITTLE_ENDIAN__ | |
| 44 | #include <linux/byteorder/little_endian.h> | |
| 45 | #else | |
| 46 | #include <linux/byteorder/big_endian.h> | |
| 47 | #endif | |
| 48 | ||
| 49 | #endif /* __ASM_SH64_BYTEORDER_H */ |