1 #ifndef _PPC_BOOT_SWAB_H_ 2 #define _PPC_BOOT_SWAB_H_ 3 4 static inline u16 swab16(u16 x) 5 { 6 return ((x & (u16)0x00ffU) << 8) | 7 ((x & (u16)0xff00U) >> 8); 8 } 9 10 static inline u32 swab32(u32 x) 11 { 12 return ((x & (u32)0x000000ffUL) << 24) | 13 ((x & (u32)0x0000ff00UL) << 8) | 14 ((x & (u32)0x00ff0000UL) >> 8) | 15 ((x & (u32)0xff000000UL) >> 24); 16 } 17 18 static inline u64 swab64(u64 x) 19 { 20 return (u64)((x & (u64)0x00000000000000ffULL) << 56) | 21 (u64)((x & (u64)0x000000000000ff00ULL) << 40) | 22 (u64)((x & (u64)0x0000000000ff0000ULL) << 24) | 23 (u64)((x & (u64)0x00000000ff000000ULL) << 8) | 24 (u64)((x & (u64)0x000000ff00000000ULL) >> 8) | 25 (u64)((x & (u64)0x0000ff0000000000ULL) >> 24) | 26 (u64)((x & (u64)0x00ff000000000000ULL) >> 40) | 27 (u64)((x & (u64)0xff00000000000000ULL) >> 56); 28 } 29 #endif /* _PPC_BOOT_SWAB_H_ */ 30