LXR linux/scripts/dtc/libfdt/libfdt

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