#define _LINUX_SWAB_H
#include <linux/types.h>
-#include <linux/compiler.h>
-#include <asm/byteorder.h>
+
+#include <asm/swab.h>
/*
* casts are necessary for constants, because we never know how for sure
* how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way.
*/
-#define __const_swab16(x) ((__u16)( \
+#define ___constant_swab16(x) ((__u16)( \
(((__u16)(x) & (__u16)0x00ffU) << 8) | \
(((__u16)(x) & (__u16)0xff00U) >> 8)))
-#define __const_swab32(x) ((__u32)( \
+#define ___constant_swab32(x) ((__u32)( \
(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
-#define __const_swab64(x) ((__u64)( \
+#define ___constant_swab64(x) ((__u64)( \
(((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \
(((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \
(((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \
(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \
(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56)))
-#define __const_swahw32(x) ((__u32)( \
+#define ___constant_swahw32(x) ((__u32)( \
(((__u32)(x) & (__u32)0x0000ffffUL) << 16) | \
(((__u32)(x) & (__u32)0xffff0000UL) >> 16)))
-#define __const_swahb32(x) ((__u32)( \
+#define ___constant_swahb32(x) ((__u32)( \
(((__u32)(x) & (__u32)0x00ff00ffUL) << 8) | \
(((__u32)(x) & (__u32)0xff00ff00UL) >> 8)))
* ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32
*/
-static inline __attribute_const__ __u16 ___swab16(__u16 val)
+static __inline__ __u16 __fswab16(__u16 val)
{
-#ifdef __arch_swab16
+#ifdef __HAVE_BUILTIN_BSWAP16__
+ return __builtin_bswap16(val);
+#elif defined (__arch_swab16)
return __arch_swab16(val);
-#elif defined(__arch_swab16p)
- return __arch_swab16p(&val);
#else
- return __const_swab16(val);
+ return ___constant_swab16(val);
#endif
}
-static inline __attribute_const__ __u32 ___swab32(__u32 val)
+static __inline__ __u32 __fswab32(__u32 val)
{
-#ifdef __arch_swab32
+#ifdef __HAVE_BUILTIN_BSWAP32__
+ return __builtin_bswap32(val);
+#elif defined(__arch_swab32)
return __arch_swab32(val);
-#elif defined(__arch_swab32p)
- return __arch_swab32p(&val);
#else
- return __const_swab32(val);
+ return ___constant_swab32(val);
#endif
}
-static inline __attribute_const__ __u64 ___swab64(__u64 val)
+static __inline__ __u64 __fswab64(__u64 val)
{
-#ifdef __arch_swab64
+#ifdef __HAVE_BUILTIN_BSWAP64__
+ return __builtin_bswap64(val);
+#elif defined (__arch_swab64)
return __arch_swab64(val);
-#elif defined(__arch_swab64p)
- return __arch_swab64p(&val);
#elif defined(__SWAB_64_THRU_32__)
__u32 h = val >> 32;
__u32 l = val & ((1ULL << 32) - 1);
- return (((__u64)___swab32(l)) << 32) | ((__u64)(___swab32(h)));
+ return (((__u64)__fswab32(l)) << 32) | ((__u64)(__fswab32(h)));
#else
- return __const_swab64(val);
+ return ___constant_swab64(val);
#endif
}
-static inline __attribute_const__ __u32 ___swahw32(__u32 val)
+static __inline__ __u32 __fswahw32(__u32 val)
{
#ifdef __arch_swahw32
return __arch_swahw32(val);
-#elif defined(__arch_swahw32p)
- return __arch_swahw32p(&val);
#else
- return __const_swahw32(val);
+ return ___constant_swahw32(val);
#endif
}
-static inline __attribute_const__ __u32 ___swahb32(__u32 val)
+static __inline__ __u32 __fswahb32(__u32 val)
{
#ifdef __arch_swahb32
return __arch_swahb32(val);
-#elif defined(__arch_swahb32p)
- return __arch_swahb32p(&val);
#else
- return __const_swahb32(val);
+ return ___constant_swahb32(val);
#endif
}
*/
#define __swab16(x) \
(__builtin_constant_p((__u16)(x)) ? \
- __const_swab16((x)) : \
- ___swab16((x)))
+ ___constant_swab16(x) : \
+ __fswab16(x))
/**
* __swab32 - return a byteswapped 32-bit value
*/
#define __swab32(x) \
(__builtin_constant_p((__u32)(x)) ? \
- __const_swab32((x)) : \
- ___swab32((x)))
+ ___constant_swab32(x) : \
+ __fswab32(x))
/**
* __swab64 - return a byteswapped 64-bit value
*/
#define __swab64(x) \
(__builtin_constant_p((__u64)(x)) ? \
- __const_swab64((x)) : \
- ___swab64((x)))
+ ___constant_swab64(x) : \
+ __fswab64(x))
/**
* __swahw32 - return a word-swapped 32-bit value
*/
#define __swahw32(x) \
(__builtin_constant_p((__u32)(x)) ? \
- __const_swahw32((x)) : \
- ___swahw32((x)))
+ ___constant_swahw32(x) : \
+ __fswahw32(x))
/**
* __swahb32 - return a high and low byte-swapped 32-bit value
*/
#define __swahb32(x) \
(__builtin_constant_p((__u32)(x)) ? \
- __const_swahb32((x)) : \
- ___swahb32((x)))
+ ___constant_swahb32(x) : \
+ __fswahb32(x))
/**
* __swab16p - return a byteswapped 16-bit value from a pointer
* @p: pointer to a naturally-aligned 16-bit value
*/
-static inline __u16 __swab16p(const __u16 *p)
+static __inline__ __u16 __swab16p(const __u16 *p)
{
#ifdef __arch_swab16p
return __arch_swab16p(p);
* __swab32p - return a byteswapped 32-bit value from a pointer
* @p: pointer to a naturally-aligned 32-bit value
*/
-static inline __u32 __swab32p(const __u32 *p)
+static __inline__ __u32 __swab32p(const __u32 *p)
{
#ifdef __arch_swab32p
return __arch_swab32p(p);
* __swab64p - return a byteswapped 64-bit value from a pointer
* @p: pointer to a naturally-aligned 64-bit value
*/
-static inline __u64 __swab64p(const __u64 *p)
+static __inline__ __u64 __swab64p(const __u64 *p)
{
#ifdef __arch_swab64p
return __arch_swab64p(p);
*
* See __swahw32() for details of wordswapping.
*/
-static inline __u32 __swahw32p(const __u32 *p)
+static __inline__ __u32 __swahw32p(const __u32 *p)
{
#ifdef __arch_swahw32p
return __arch_swahw32p(p);
*
* See __swahb32() for details of high/low byteswapping.
*/
-static inline __u32 __swahb32p(const __u32 *p)
+static __inline__ __u32 __swahb32p(const __u32 *p)
{
#ifdef __arch_swahb32p
return __arch_swahb32p(p);
* __swab16s - byteswap a 16-bit value in-place
* @p: pointer to a naturally-aligned 16-bit value
*/
-static inline void __swab16s(__u16 *p)
+static __inline__ void __swab16s(__u16 *p)
{
#ifdef __arch_swab16s
__arch_swab16s(p);
* __swab32s - byteswap a 32-bit value in-place
* @p: pointer to a naturally-aligned 32-bit value
*/
-static inline void __swab32s(__u32 *p)
+static __inline__ void __swab32s(__u32 *p)
{
#ifdef __arch_swab32s
__arch_swab32s(p);
* __swab64s - byteswap a 64-bit value in-place
* @p: pointer to a naturally-aligned 64-bit value
*/
-static inline void __swab64s(__u64 *p)
+static __inline__ void __swab64s(__u64 *p)
{
#ifdef __arch_swab64s
__arch_swab64s(p);
*
* See __swahw32() for details of wordswapping
*/
-static inline void __swahw32s(__u32 *p)
+static __inline__ void __swahw32s(__u32 *p)
{
#ifdef __arch_swahw32s
__arch_swahw32s(p);
*
* See __swahb32() for details of high and low byte swapping
*/
-static inline void __swahb32s(__u32 *p)
+static __inline__ void __swahb32s(__u32 *p)
{
#ifdef __arch_swahb32s
__arch_swahb32s(p);
#endif
}
-#ifdef __KERNEL__
-# define swab16 __swab16
-# define swab32 __swab32
-# define swab64 __swab64
-# define swahw32 __swahw32
-# define swahb32 __swahb32
-# define swab16p __swab16p
-# define swab32p __swab32p
-# define swab64p __swab64p
-# define swahw32p __swahw32p
-# define swahb32p __swahb32p
-# define swab16s __swab16s
-# define swab32s __swab32s
-# define swab64s __swab64s
-# define swahw32s __swahw32s
-# define swahb32s __swahb32s
-#endif /* __KERNEL__ */
#endif /* _LINUX_SWAB_H */
projects / l4.git / blobdiff