Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / tools / include / linux / unaligned.h
blob395a4464fe732e7a3d8f75130874c1baf58df2fe
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_UNALIGNED_H
3 #define __LINUX_UNALIGNED_H
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>
14 #define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr))
15 #define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr))
17 static inline u16 get_unaligned_le16(const void *p)
19 return le16_to_cpu(__get_unaligned_t(__le16, p));
22 static inline u32 get_unaligned_le32(const void *p)
24 return le32_to_cpu(__get_unaligned_t(__le32, p));
27 static inline u64 get_unaligned_le64(const void *p)
29 return le64_to_cpu(__get_unaligned_t(__le64, p));
32 static inline void put_unaligned_le16(u16 val, void *p)
34 __put_unaligned_t(__le16, cpu_to_le16(val), p);
37 static inline void put_unaligned_le32(u32 val, void *p)
39 __put_unaligned_t(__le32, cpu_to_le32(val), p);
42 static inline void put_unaligned_le64(u64 val, void *p)
44 __put_unaligned_t(__le64, cpu_to_le64(val), p);
47 static inline u16 get_unaligned_be16(const void *p)
49 return be16_to_cpu(__get_unaligned_t(__be16, p));
52 static inline u32 get_unaligned_be32(const void *p)
54 return be32_to_cpu(__get_unaligned_t(__be32, p));
57 static inline u64 get_unaligned_be64(const void *p)
59 return be64_to_cpu(__get_unaligned_t(__be64, p));
62 static inline void put_unaligned_be16(u16 val, void *p)
64 __put_unaligned_t(__be16, cpu_to_be16(val), p);
67 static inline void put_unaligned_be32(u32 val, void *p)
69 __put_unaligned_t(__be32, cpu_to_be32(val), p);
72 static inline void put_unaligned_be64(u64 val, void *p)
74 __put_unaligned_t(__be64, cpu_to_be64(val), p);
77 static inline u32 __get_unaligned_be24(const u8 *p)
79 return p[0] << 16 | p[1] << 8 | p[2];
82 static inline u32 get_unaligned_be24(const void *p)
84 return __get_unaligned_be24(p);
87 static inline u32 __get_unaligned_le24(const u8 *p)
89 return p[0] | p[1] << 8 | p[2] << 16;
92 static inline u32 get_unaligned_le24(const void *p)
94 return __get_unaligned_le24(p);
97 static inline void __put_unaligned_be24(const u32 val, u8 *p)
99 *p++ = (val >> 16) & 0xff;
100 *p++ = (val >> 8) & 0xff;
101 *p++ = val & 0xff;
104 static inline void put_unaligned_be24(const u32 val, void *p)
106 __put_unaligned_be24(val, p);
109 static inline void __put_unaligned_le24(const u32 val, u8 *p)
111 *p++ = val & 0xff;
112 *p++ = (val >> 8) & 0xff;
113 *p++ = (val >> 16) & 0xff;
116 static inline void put_unaligned_le24(const u32 val, void *p)
118 __put_unaligned_le24(val, p);
121 static inline void __put_unaligned_be48(const u64 val, u8 *p)
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;
131 static inline void put_unaligned_be48(const u64 val, void *p)
133 __put_unaligned_be48(val, p);
136 static inline u64 __get_unaligned_be48(const u8 *p)
138 return (u64)p[0] << 40 | (u64)p[1] << 32 | (u64)p[2] << 24 |
139 p[3] << 16 | p[4] << 8 | p[5];
142 static inline u64 get_unaligned_be48(const void *p)
144 return __get_unaligned_be48(p);
146 #pragma GCC diagnostic pop
148 #endif /* __LINUX_UNALIGNED_H */