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#ifndef _LIBFDT_ENV_H #define _LIBFDT_ENV_H #include <stddef.h> #include <stdint.h> #include <string.h> #define EXTRACT_BYTE(n) ((unsigned long long)((uint8_t *)&x)[n]) static inline uint16_t fdt16_to_cpu(uint16_t x) { return (EXTRACT_BYTE(0) << 8) | EXTRACT_BYTE(1); } #define cpu_to_fdt16(x) fdt16_to_cpu(x) static inline uint32_t fdt32_to_cpu(uint32_t x) { return (EXTRACT_BYTE(0) << 24) | (EXTRACT_BYTE(1) << 16) | (EXTRACT_BYTE(2) << 8) | EXTRACT_BYTE(3); } #define cpu_to_fdt32(x) fdt32_to_cpu(x) static inline uint64_t fdt64_to_cpu(uint64_t x) { return (EXTRACT_BYTE(0) << 56) | (EXTRACT_BYTE(1) << 48) | (EXTRACT_BYTE(2) << 40) | (EXTRACT_BYTE(3) << 32) | (EXTRACT_BYTE(4) << 24) | (EXTRACT_BYTE(5) << 16) | (EXTRACT_BYTE(6) << 8) | EXTRACT_BYTE(7); } #define cpu_to_fdt64(x) fdt64_to_cpu(x) #undef EXTRACT_BYTE #endif /* _LIBFDT_ENV_H */ |