1 #ifndef _LIBFDT_ENV_H 2 #define _LIBFDT_ENV_H 3 4 #ifdef _KERNEL 5 #include <sys/cdefs.h> 6 #include <sys/param.h> 7 #include <sys/types.h> 8 #include <sys/systm.h> 9 #include <sys/stdint.h> 10 #else 11 #include <stddef.h> 12 #include <stdint.h> 13 #include <string.h> 14 #endif 15 16 #define _B(n) ((unsigned long long)((uint8_t *)&x)[n]) 17 static inline uint32_t fdt32_to_cpu(uint32_t x) 18 { 19 return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3); 20 } 21 #define cpu_to_fdt32(x) fdt32_to_cpu(x) 22 23 static inline uint64_t fdt64_to_cpu(uint64_t x) 24 { 25 return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32) 26 | (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7); 27 } 28 #define cpu_to_fdt64(x) fdt64_to_cpu(x) 29 #undef _B 30 31 #endif /* _LIBFDT_ENV_H */ 32