byteorder.h 961 B

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  1. #ifndef _SPARC64_BYTEORDER_H
  2. #define _SPARC64_BYTEORDER_H
  3. #include <asm/types.h>
  4. #include <asm/asi.h>
  5. #ifdef __GNUC__
  6. static inline __u16 ___arch__swab16p(const __u16 *addr)
  7. {
  8. __u16 ret;
  9. __asm__ __volatile__ ("lduha [%1] %2, %0"
  10. : "=r" (ret)
  11. : "r" (addr), "i" (ASI_PL));
  12. return ret;
  13. }
  14. static inline __u32 ___arch__swab32p(const __u32 *addr)
  15. {
  16. __u32 ret;
  17. __asm__ __volatile__ ("lduwa [%1] %2, %0"
  18. : "=r" (ret)
  19. : "r" (addr), "i" (ASI_PL));
  20. return ret;
  21. }
  22. static inline __u64 ___arch__swab64p(const __u64 *addr)
  23. {
  24. __u64 ret;
  25. __asm__ __volatile__ ("ldxa [%1] %2, %0"
  26. : "=r" (ret)
  27. : "r" (addr), "i" (ASI_PL));
  28. return ret;
  29. }
  30. #define __arch__swab16p(x) ___arch__swab16p(x)
  31. #define __arch__swab32p(x) ___arch__swab32p(x)
  32. #define __arch__swab64p(x) ___arch__swab64p(x)
  33. #define __BYTEORDER_HAS_U64__
  34. #endif /* __GNUC__ */
  35. #include <linux/byteorder/big_endian.h>
  36. #endif /* _SPARC64_BYTEORDER_H */