blob: 213d7fb81c4218ba516bbbf59fa35b1f36d1b6ad
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 EXTRACT_BYTE(n) ((unsigned long long)((uint8_t *)&x)[n]) |
9 | static inline uint16_t fdt16_to_cpu(uint16_t x) |
10 | { |
11 | return (EXTRACT_BYTE(0) << 8) | EXTRACT_BYTE(1); |
12 | } |
13 | #define cpu_to_fdt16(x) fdt16_to_cpu(x) |
14 | |
15 | static inline uint32_t fdt32_to_cpu(uint32_t x) |
16 | { |
17 | return (EXTRACT_BYTE(0) << 24) | (EXTRACT_BYTE(1) << 16) | (EXTRACT_BYTE(2) << 8) | EXTRACT_BYTE(3); |
18 | } |
19 | #define cpu_to_fdt32(x) fdt32_to_cpu(x) |
20 | |
21 | static inline uint64_t fdt64_to_cpu(uint64_t x) |
22 | { |
23 | return (EXTRACT_BYTE(0) << 56) | (EXTRACT_BYTE(1) << 48) | (EXTRACT_BYTE(2) << 40) | (EXTRACT_BYTE(3) << 32) |
24 | | (EXTRACT_BYTE(4) << 24) | (EXTRACT_BYTE(5) << 16) | (EXTRACT_BYTE(6) << 8) | EXTRACT_BYTE(7); |
25 | } |
26 | #define cpu_to_fdt64(x) fdt64_to_cpu(x) |
27 | #undef EXTRACT_BYTE |
28 | |
29 | #endif /* _LIBFDT_ENV_H */ |
30 |