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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])
fdt16_to_cpu(uint16_t x)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 
fdt32_to_cpu(uint32_t x)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 
fdt64_to_cpu(uint64_t x)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