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98fd433a CLG |
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_ */ |