mirror of
https://gitee.com/Vancouver2017/luban-lite.git
synced 2025-12-24 13:08:55 +00:00
38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
|
|
#ifndef _UMAC_UNALIGNED_H_
|
|
#define _UMAC_UNALIGNED_H_
|
|
|
|
#include <linux/unaligned/le_byteshift.h>
|
|
#include <linux/unaligned/generic.h>
|
|
#include <asm-generic/unaligned.h>
|
|
|
|
#define get_unaligned(ptr) ((__force typeof(*(ptr)))({ \
|
|
__builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \
|
|
__builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)), \
|
|
__builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)), \
|
|
__builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)), \
|
|
__bad_unaligned_access_size())))); \
|
|
}))
|
|
|
|
#define put_unaligned(val, ptr) ({ \
|
|
void *__gu_p = (ptr); \
|
|
switch (sizeof(*(ptr))) { \
|
|
case 1: \
|
|
*(u8 *)__gu_p = (__force u8)(val); \
|
|
break; \
|
|
case 2: \
|
|
put_unaligned_le16((__force u16)(val), __gu_p); \
|
|
break; \
|
|
case 4: \
|
|
put_unaligned_le32((__force u32)(val), __gu_p); \
|
|
break; \
|
|
case 8: \
|
|
put_unaligned_le64((__force u64)(val), __gu_p); \
|
|
break; \
|
|
default: \
|
|
break; \
|
|
} \
|
|
(void)0; })
|
|
|
|
#endif
|