1 #ifndef _LINUX_BYTEORDER_SWAB_H
2 #define _LINUX_BYTEORDER_SWAB_H
5 #define __u16 unsigned short
9 #define __u32 unsigned int
13 #define __u8 unsigned char
17 #define __u64 unsigned long long
21 static inline __u16 ___swab16(__u16 x)
25 (((__u16)(__x) & (__u16)0x00ffU) << 8) |
26 (((__u16)(__x) & (__u16)0xff00U) >> 8));
30 static inline __u32 ___swab32(__u32 x)
34 (((__u32)(__x) & (__u32)0x000000ffUL) << 24) |
35 (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) |
36 (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) |
37 (((__u32)(__x) & (__u32)0xff000000UL) >> 24));
40 static inline __u64 ___swab64(__u64 x)
45 (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \
46 (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \
47 (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \
48 (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \
49 (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \
50 (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
51 (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \
52 (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56));
55 #ifndef __arch__swab16
56 static inline __u16 __arch__swab16(__u16 x)
63 #ifndef __arch__swab32
64 static inline __u32 __arch__swab32(__u32 x)
67 return ___swab32(__tmp);
71 #ifndef __arch__swab64
73 static inline __u64 __arch__swab64(__u64 x)
76 return ___swab64(__tmp);
82 #define __swab16(x) __fswab16(x)
83 #define __swab32(x) __fswab32(x)
84 #define __swab64(x) __fswab64(x)
86 static inline const __u16 __fswab16(__u16 x)
88 return __arch__swab16(x);
90 static inline const __u32 __fswab32(__u32 x)
92 return __arch__swab32(x);
95 #define swab16 __swab16
96 #define swab32 __swab32
97 #define swab64 __swab64
98 #define swab16p __swab16p
99 #define swab32p __swab32p
100 #define swab64p __swab64p
101 #define swab16s __swab16s
102 #define swab32s __swab32s
103 #define swab64s __swab64s
105 #endif /* _LINUX_BYTEORDER_SWAB_H */