Rev 2787 | Rev 3675 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2787 | Rev 2925 | ||
|---|---|---|---|
| Line 33... | Line 33... | ||
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef KERN_BYTEORDER_H_ |
35 | #ifndef KERN_BYTEORDER_H_ |
| 36 | #define KERN_BYTEORDER_H_ |
36 | #define KERN_BYTEORDER_H_ |
| 37 | 37 | ||
| - | 38 | #include <arch/byteorder.h> |
|
| - | 39 | ||
| - | 40 | #if !(defined(ARCH_IS_BIG_ENDIAN) ^ defined(ARCH_IS_LITTLE_ENDIAN)) |
|
| - | 41 | #error The architecture must be either big-endian or little-endian. |
|
| - | 42 | #endif |
|
| - | 43 | ||
| - | 44 | #ifdef ARCH_IS_BIG_ENDIAN |
|
| - | 45 | ||
| - | 46 | #define uint16_t_le2host(n) uint16_t_byteorder_swap(n) |
|
| - | 47 | #define uint32_t_le2host(n) uint32_t_byteorder_swap(n) |
|
| - | 48 | #define uint64_t_le2host(n) uint64_t_byteorder_swap(n) |
|
| - | 49 | ||
| - | 50 | #define uint16_t_be2host(n) (n) |
|
| - | 51 | #define uint32_t_be2host(n) (n) |
|
| - | 52 | #define uint64_t_be2host(n) (n) |
|
| - | 53 | ||
| - | 54 | #else |
|
| - | 55 | ||
| - | 56 | #define uint16_t_le2host(n) (n) |
|
| - | 57 | #define uint32_t_le2host(n) (n) |
|
| - | 58 | #define uint64_t_le2host(n) (n) |
|
| - | 59 | ||
| - | 60 | #define uint16_t_be2host(n) uint16_t_byteorder_swap(n) |
|
| - | 61 | #define uint32_t_be2host(n) uint32_t_byteorder_swap(n) |
|
| - | 62 | #define uint64_t_be2host(n) uint64_t_byteorder_swap(n) |
|
| - | 63 | ||
| - | 64 | #endif |
|
| - | 65 | ||
| 38 | static inline uint64_t uint64_t_byteorder_swap(uint64_t n) |
66 | static inline uint64_t uint64_t_byteorder_swap(uint64_t n) |
| 39 | { |
67 | { |
| 40 | return ((n & 0xff) << 56) | |
68 | return ((n & 0xff) << 56) | |
| 41 | ((n & 0xff00) << 40) | |
69 | ((n & 0xff00) << 40) | |
| 42 | ((n & 0xff0000) << 24) | |
70 | ((n & 0xff0000) << 24) | |
| 43 | ((n & 0xff000000LL) << 8) | |
71 | ((n & 0xff000000LL) << 8) | |
| 44 | ((n & 0xff00000000LL) >> 8) | |
72 | ((n & 0xff00000000LL) >> 8) | |
| 45 | ((n & 0xff0000000000LL) >> 24) | |
73 | ((n & 0xff0000000000LL) >> 24) | |
| 46 | ((n & 0xff000000000000LL) >> 40) | |
74 | ((n & 0xff000000000000LL) >> 40) | |
| 47 | ((n & 0xff00000000000000LL) >> 56); |
75 | ((n & 0xff00000000000000LL) >> 56); |
| 48 | } |
76 | } |
| 49 | 77 | ||
| 50 | static inline uint32_t uint32_t_byteorder_swap(uint32_t n) |
78 | static inline uint32_t uint32_t_byteorder_swap(uint32_t n) |
| 51 | { |
79 | { |
| 52 | return ((n & 0xff) << 24) | |
80 | return ((n & 0xff) << 24) | |
| 53 | ((n & 0xff00) << 8) | |
81 | ((n & 0xff00) << 8) | |
| 54 | ((n & 0xff0000) >> 8) | |
82 | ((n & 0xff0000) >> 8) | |
| 55 | ((n & 0xff000000) >> 24); |
83 | ((n & 0xff000000) >> 24); |
| - | 84 | } |
|
| - | 85 | ||
| - | 86 | static inline uint16_t uint16_t_byteorder_swap(uint16_t n) |
|
| - | 87 | { |
|
| - | 88 | return ((n & 0xff) << 8) | |
|
| - | 89 | ((n & 0xff00) >> 8); |
|
| 56 | } |
90 | } |
| 57 | 91 | ||
| 58 | #endif |
92 | #endif |
| 59 | 93 | ||
| 60 | /** @} |
94 | /** @} |