| Cédric Le Goater | 98fd433 | 2014-04-24 09:23:33 +0200 | [diff] [blame] | 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_ */ |