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 | /** @} |