little_endian.h 3.8 KB

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