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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __LINUX_UNALIGNED_H |
| 3 | #define __LINUX_UNALIGNED_H |
| 4 | |
| 5 | /* |
| 6 | * This is the most generic implementation of unaligned accesses |
| 7 | * and should work almost anywhere. |
| 8 | */ |
| 9 | #pragma GCC diagnostic push |
| 10 | #pragma GCC diagnostic ignored "-Wpacked" |
| 11 | #pragma GCC diagnostic ignored "-Wattributes" |
| 12 | #include <vdso/unaligned.h> |
| 13 | |
| 14 | #define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr)) |
| 15 | #define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr)) |
| 16 | |
| 17 | static inline u16 get_unaligned_le16(const void *p) |
| 18 | { |
| 19 | return le16_to_cpu(__get_unaligned_t(__le16, p)); |
| 20 | } |
| 21 | |
| 22 | static inline u32 get_unaligned_le32(const void *p) |
| 23 | { |
| 24 | return le32_to_cpu(__get_unaligned_t(__le32, p)); |
| 25 | } |
| 26 | |
| 27 | static inline u64 get_unaligned_le64(const void *p) |
| 28 | { |
| 29 | return le64_to_cpu(__get_unaligned_t(__le64, p)); |
| 30 | } |
| 31 | |
| 32 | static inline void put_unaligned_le16(u16 val, void *p) |
| 33 | { |
| 34 | __put_unaligned_t(__le16, cpu_to_le16(val), p); |
| 35 | } |
| 36 | |
| 37 | static inline void put_unaligned_le32(u32 val, void *p) |
| 38 | { |
| 39 | __put_unaligned_t(__le32, cpu_to_le32(val), p); |
| 40 | } |
| 41 | |
| 42 | static inline void put_unaligned_le64(u64 val, void *p) |
| 43 | { |
| 44 | __put_unaligned_t(__le64, cpu_to_le64(val), p); |
| 45 | } |
| 46 | |
| 47 | static inline u16 get_unaligned_be16(const void *p) |
| 48 | { |
| 49 | return be16_to_cpu(__get_unaligned_t(__be16, p)); |
| 50 | } |
| 51 | |
| 52 | static inline u32 get_unaligned_be32(const void *p) |
| 53 | { |
| 54 | return be32_to_cpu(__get_unaligned_t(__be32, p)); |
| 55 | } |
| 56 | |
| 57 | static inline u64 get_unaligned_be64(const void *p) |
| 58 | { |
| 59 | return be64_to_cpu(__get_unaligned_t(__be64, p)); |
| 60 | } |
| 61 | |
| 62 | static inline void put_unaligned_be16(u16 val, void *p) |
| 63 | { |
| 64 | __put_unaligned_t(__be16, cpu_to_be16(val), p); |
| 65 | } |
| 66 | |
| 67 | static inline void put_unaligned_be32(u32 val, void *p) |
| 68 | { |
| 69 | __put_unaligned_t(__be32, cpu_to_be32(val), p); |
| 70 | } |
| 71 | |
| 72 | static inline void put_unaligned_be64(u64 val, void *p) |
| 73 | { |
| 74 | __put_unaligned_t(__be64, cpu_to_be64(val), p); |
| 75 | } |
| 76 | |
| 77 | static inline u32 __get_unaligned_be24(const u8 *p) |
| 78 | { |
| 79 | return p[0] << 16 | p[1] << 8 | p[2]; |
| 80 | } |
| 81 | |
| 82 | static inline u32 get_unaligned_be24(const void *p) |
| 83 | { |
| 84 | return __get_unaligned_be24(p); |
| 85 | } |
| 86 | |
| 87 | static inline u32 __get_unaligned_le24(const u8 *p) |
| 88 | { |
| 89 | return p[0] | p[1] << 8 | p[2] << 16; |
| 90 | } |
| 91 | |
| 92 | static inline u32 get_unaligned_le24(const void *p) |
| 93 | { |
| 94 | return __get_unaligned_le24(p); |
| 95 | } |
| 96 | |
| 97 | static inline void __put_unaligned_be24(const u32 val, u8 *p) |
| 98 | { |
| 99 | *p++ = (val >> 16) & 0xff; |
| 100 | *p++ = (val >> 8) & 0xff; |
| 101 | *p++ = val & 0xff; |
| 102 | } |
| 103 | |
| 104 | static inline void put_unaligned_be24(const u32 val, void *p) |
| 105 | { |
| 106 | __put_unaligned_be24(val, p); |
| 107 | } |
| 108 | |
| 109 | static inline void __put_unaligned_le24(const u32 val, u8 *p) |
| 110 | { |
| 111 | *p++ = val & 0xff; |
| 112 | *p++ = (val >> 8) & 0xff; |
| 113 | *p++ = (val >> 16) & 0xff; |
| 114 | } |
| 115 | |
| 116 | static inline void put_unaligned_le24(const u32 val, void *p) |
| 117 | { |
| 118 | __put_unaligned_le24(val, p); |
| 119 | } |
| 120 | |
| 121 | static inline void __put_unaligned_be48(const u64 val, u8 *p) |
| 122 | { |
| 123 | *p++ = (val >> 40) & 0xff; |
| 124 | *p++ = (val >> 32) & 0xff; |
| 125 | *p++ = (val >> 24) & 0xff; |
| 126 | *p++ = (val >> 16) & 0xff; |
| 127 | *p++ = (val >> 8) & 0xff; |
| 128 | *p++ = val & 0xff; |
| 129 | } |
| 130 | |
| 131 | static inline void put_unaligned_be48(const u64 val, void *p) |
| 132 | { |
| 133 | __put_unaligned_be48(val, p); |
| 134 | } |
| 135 | |
| 136 | static inline u64 __get_unaligned_be48(const u8 *p) |
| 137 | { |
| 138 | return (u64)p[0] << 40 | (u64)p[1] << 32 | (u64)p[2] << 24 | |
| 139 | p[3] << 16 | p[4] << 8 | p[5]; |
| 140 | } |
| 141 | |
| 142 | static inline u64 get_unaligned_be48(const void *p) |
| 143 | { |
| 144 | return __get_unaligned_be48(p); |
| 145 | } |
| 146 | #pragma GCC diagnostic pop |
| 147 | |
| 148 | #endif /* __LINUX_UNALIGNED_H */ |
| 149 |
Warning: That file was not part of the compilation database. It may have many parsing errors.