| David Gibson | ed95d74 | 2008-08-07 12:24:17 +1000 | [diff] [blame] | 1 | #ifndef _LIBFDT_ENV_H |
| 2 | #define _LIBFDT_ENV_H |
| 3 | |
| 4 | #include <stddef.h> |
| 5 | #include <stdint.h> |
| 6 | #include <string.h> |
| 7 | |
| 8 | #define _B(n) ((unsigned long long)((uint8_t *)&x)[n]) |
| 9 | static inline uint32_t fdt32_to_cpu(uint32_t x) |
| 10 | { |
| 11 | return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3); |
| 12 | } |
| 13 | #define cpu_to_fdt32(x) fdt32_to_cpu(x) |
| 14 | |
| 15 | static inline uint64_t fdt64_to_cpu(uint64_t x) |
| 16 | { |
| 17 | return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32) |
| 18 | | (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7); |
| 19 | } |
| 20 | #define cpu_to_fdt64(x) fdt64_to_cpu(x) |
| 21 | #undef _B |
| 22 | |
| 23 | #endif /* _LIBFDT_ENV_H */ |