diff options
| author | 2017-09-09 16:34:41 +0100 | |
|---|---|---|
| committer | 2017-09-09 16:34:41 +0100 | |
| commit | e558bdc21ae1f0db520eccd84015e17d8a589973 (patch) | |
| tree | b436123bd52f267b8c7f361618cded3e1e4421ea /tools/include/linux/unaligned/packed_struct.h | |
| parent | ARM: 8692/1: mm: abort uaccess retries upon fatal signal (diff) | |
| parent | ARM: 8691/1: Export save_stack_trace_tsk() (diff) | |
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'tools/include/linux/unaligned/packed_struct.h')
| -rw-r--r-- | tools/include/linux/unaligned/packed_struct.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/include/linux/unaligned/packed_struct.h b/tools/include/linux/unaligned/packed_struct.h new file mode 100644 index 000000000000..c0d817de4df2 --- /dev/null +++ b/tools/include/linux/unaligned/packed_struct.h @@ -0,0 +1,46 @@ +#ifndef _LINUX_UNALIGNED_PACKED_STRUCT_H +#define _LINUX_UNALIGNED_PACKED_STRUCT_H + +#include <linux/kernel.h> + +struct __una_u16 { u16 x; } __packed; +struct __una_u32 { u32 x; } __packed; +struct __una_u64 { u64 x; } __packed; + +static inline u16 __get_unaligned_cpu16(const void *p) +{ + const struct __una_u16 *ptr = (const struct __una_u16 *)p; + return ptr->x; +} + +static inline u32 __get_unaligned_cpu32(const void *p) +{ + const struct __una_u32 *ptr = (const struct __una_u32 *)p; + return ptr->x; +} + +static inline u64 __get_unaligned_cpu64(const void *p) +{ + const struct __una_u64 *ptr = (const struct __una_u64 *)p; + return ptr->x; +} + +static inline void __put_unaligned_cpu16(u16 val, void *p) +{ + struct __una_u16 *ptr = (struct __una_u16 *)p; + ptr->x = val; +} + +static inline void __put_unaligned_cpu32(u32 val, void *p) +{ + struct __una_u32 *ptr = (struct __una_u32 *)p; + ptr->x = val; +} + +static inline void __put_unaligned_cpu64(u64 val, void *p) +{ + struct __una_u64 *ptr = (struct __una_u64 *)p; + ptr->x = val; +} + +#endif /* _LINUX_UNALIGNED_PACKED_STRUCT_H */ |
