kernel/2.6.29.6-aldebaran-rt/arch/powerpc/boot/dtc-src/libfdt_env.h

   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])
   9 static 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
  15 static 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 */