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]) 9static 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 15static 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 21static 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