little_endian.h 3.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105
  1. #ifndef _LINUX_BYTEORDER_LITTLE_ENDIAN_H
  2. #define _LINUX_BYTEORDER_LITTLE_ENDIAN_H
  3. #ifndef __LITTLE_ENDIAN
  4. #define __LITTLE_ENDIAN 1234
  5. #endif
  6. #ifndef __LITTLE_ENDIAN_BITFIELD
  7. #define __LITTLE_ENDIAN_BITFIELD
  8. #endif
  9. #include <linux/types.h>
  10. #include <linux/swab.h>
  11. #define __constant_htonl(x) ((__be32)___constant_swab32((x)))
  12. #define __constant_ntohl(x) ___constant_swab32((__be32)(x))
  13. #define __constant_htons(x) ((__be16)___constant_swab16((x)))
  14. #define __constant_ntohs(x) ___constant_swab16((__be16)(x))
  15. #define __constant_cpu_to_le64(x) ((__le64)(__u64)(x))
  16. #define __constant_le64_to_cpu(x) ((__u64)(__le64)(x))
  17. #define __constant_cpu_to_le32(x) ((__le32)(__u32)(x))
  18. #define __constant_le32_to_cpu(x) ((__u32)(__le32)(x))
  19. #define __constant_cpu_to_le16(x) ((__le16)(__u16)(x))
  20. #define __constant_le16_to_cpu(x) ((__u16)(__le16)(x))
  21. #define __constant_cpu_to_be64(x) ((__be64)___constant_swab64((x)))
  22. #define __constant_be64_to_cpu(x) ___constant_swab64((__u64)(__be64)(x))
  23. #define __constant_cpu_to_be32(x) ((__be32)___constant_swab32((x)))
  24. #define __constant_be32_to_cpu(x) ___constant_swab32((__u32)(__be32)(x))
  25. #define __constant_cpu_to_be16(x) ((__be16)___constant_swab16((x)))
  26. #define __constant_be16_to_cpu(x) ___constant_swab16((__u16)(__be16)(x))
  27. #define __cpu_to_le64(x) ((__le64)(__u64)(x))
  28. #define __le64_to_cpu(x) ((__u64)(__le64)(x))
  29. #define __cpu_to_le32(x) ((__le32)(__u32)(x))
  30. #define __le32_to_cpu(x) ((__u32)(__le32)(x))
  31. #define __cpu_to_le16(x) ((__le16)(__u16)(x))
  32. #define __le16_to_cpu(x) ((__u16)(__le16)(x))
  33. #define __cpu_to_be64(x) ((__be64)__swab64((x)))
  34. #define __be64_to_cpu(x) __swab64((__u64)(__be64)(x))
  35. #define __cpu_to_be32(x) ((__be32)__swab32((x)))
  36. #define __be32_to_cpu(x) __swab32((__u32)(__be32)(x))
  37. #define __cpu_to_be16(x) ((__be16)__swab16((x)))
  38. #define __be16_to_cpu(x) __swab16((__u16)(__be16)(x))
  39. static __inline__ __le64 __cpu_to_le64p(const __u64 *p)
  40. {
  41. return (__le64)*p;
  42. }
  43. static __inline__ __u64 __le64_to_cpup(const __le64 *p)
  44. {
  45. return (__u64)*p;
  46. }
  47. static __inline__ __le32 __cpu_to_le32p(const __u32 *p)
  48. {
  49. return (__le32)*p;
  50. }
  51. static __inline__ __u32 __le32_to_cpup(const __le32 *p)
  52. {
  53. return (__u32)*p;
  54. }
  55. static __inline__ __le16 __cpu_to_le16p(const __u16 *p)
  56. {
  57. return (__le16)*p;
  58. }
  59. static __inline__ __u16 __le16_to_cpup(const __le16 *p)
  60. {
  61. return (__u16)*p;
  62. }
  63. static __inline__ __be64 __cpu_to_be64p(const __u64 *p)
  64. {
  65. return (__be64)__swab64p(p);
  66. }
  67. static __inline__ __u64 __be64_to_cpup(const __be64 *p)
  68. {
  69. return __swab64p((__u64 *)p);
  70. }
  71. static __inline__ __be32 __cpu_to_be32p(const __u32 *p)
  72. {
  73. return (__be32)__swab32p(p);
  74. }
  75. static __inline__ __u32 __be32_to_cpup(const __be32 *p)
  76. {
  77. return __swab32p((__u32 *)p);
  78. }
  79. static __inline__ __be16 __cpu_to_be16p(const __u16 *p)
  80. {
  81. return (__be16)__swab16p(p);
  82. }
  83. static __inline__ __u16 __be16_to_cpup(const __be16 *p)
  84. {
  85. return __swab16p((__u16 *)p);
  86. }
  87. #define __cpu_to_le64s(x) do { (void)(x); } while (0)
  88. #define __le64_to_cpus(x) do { (void)(x); } while (0)
  89. #define __cpu_to_le32s(x) do { (void)(x); } while (0)
  90. #define __le32_to_cpus(x) do { (void)(x); } while (0)
  91. #define __cpu_to_le16s(x) do { (void)(x); } while (0)
  92. #define __le16_to_cpus(x) do { (void)(x); } while (0)
  93. #define __cpu_to_be64s(x) __swab64s((x))
  94. #define __be64_to_cpus(x) __swab64s((x))
  95. #define __cpu_to_be32s(x) __swab32s((x))
  96. #define __be32_to_cpus(x) __swab32s((x))
  97. #define __cpu_to_be16s(x) __swab16s((x))
  98. #define __be16_to_cpus(x) __swab16s((x))
  99. #endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */