diff options
Diffstat (limited to 'include/asm-xtensa/byteorder.h')
| -rw-r--r-- | include/asm-xtensa/byteorder.h | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/include/asm-xtensa/byteorder.h b/include/asm-xtensa/byteorder.h index 765edf17a9a4..07d10ad364d1 100644 --- a/include/asm-xtensa/byteorder.h +++ b/include/asm-xtensa/byteorder.h @@ -14,7 +14,17 @@ #include <asm/types.h> #include <linux/compiler.h> -static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) +#ifdef __XTENSA_EL__ +# define __LITTLE_ENDIAN +#elif defined(__XTENSA_EB__) +# define __BIG_ENDIAN +#else +# error processor byte order undefined! +#endif + +#define __SWAB_64_THRU_32__ + +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) { __u32 res; /* instruction sequence from Xtensa ISA release 2/2000 */ @@ -28,8 +38,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) ); return res; } +#define __arch_swab32 __arch_swab32 -static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x) +static inline __attribute_const__ __u16 __arch_swab16(__u16 x) { /* Given that 'short' values are signed (i.e., can be negative), * we cannot assume that the upper 16-bits of the register are @@ -62,21 +73,8 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x) return res; } +#define __arch_swab16 __arch_swab16 -#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 - -#ifdef __XTENSA_EL__ -# include <linux/byteorder/little_endian.h> -#elif defined(__XTENSA_EB__) -# include <linux/byteorder/big_endian.h> -#else -# error processor byte order undefined! -#endif +#include <linux/byteorder.h> #endif /* _XTENSA_BYTEORDER_H */ |