1#ifndef _LINUX_UNALIGNED_GENERIC_H
2#define _LINUX_UNALIGNED_GENERIC_H
3
4
5
6
7
8extern void __bad_unaligned_access_size(void);
9
10#define __get_unaligned_le(ptr) ((__force typeof(*(ptr)))({ \
11 __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \
12 __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)), \
13 __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)), \
14 __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)), \
15 __bad_unaligned_access_size())))); \
16 }))
17
18#define __get_unaligned_be(ptr) ((__force typeof(*(ptr)))({ \
19 __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \
20 __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_be16((ptr)), \
21 __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_be32((ptr)), \
22 __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_be64((ptr)), \
23 __bad_unaligned_access_size())))); \
24 }))
25
26#define __put_unaligned_le(val, ptr) ({ \
27 void *__gu_p = (ptr); \
28 switch (sizeof(*(ptr))) { \
29 case 1: \
30 *(u8 *)__gu_p = (__force u8)(val); \
31 break; \
32 case 2: \
33 put_unaligned_le16((__force u16)(val), __gu_p); \
34 break; \
35 case 4: \
36 put_unaligned_le32((__force u32)(val), __gu_p); \
37 break; \
38 case 8: \
39 put_unaligned_le64((__force u64)(val), __gu_p); \
40 break; \
41 default: \
42 __bad_unaligned_access_size(); \
43 break; \
44 } \
45 (void)0; })
46
47#define __put_unaligned_be(val, ptr) ({ \
48 void *__gu_p = (ptr); \
49 switch (sizeof(*(ptr))) { \
50 case 1: \
51 *(u8 *)__gu_p = (__force u8)(val); \
52 break; \
53 case 2: \
54 put_unaligned_be16((__force u16)(val), __gu_p); \
55 break; \
56 case 4: \
57 put_unaligned_be32((__force u32)(val), __gu_p); \
58 break; \
59 case 8: \
60 put_unaligned_be64((__force u64)(val), __gu_p); \
61 break; \
62 default: \
63 __bad_unaligned_access_size(); \
64 break; \
65 } \
66 (void)0; })
67
68#endif
69
