Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_UNALIGNED_BE_BYTESHIFT_H |
| 3 | #define _LINUX_UNALIGNED_BE_BYTESHIFT_H |
| 4 | |
| 5 | #include <linux/types.h> |
| 6 | |
| 7 | static inline u16 __get_unaligned_be16(const u8 *p) |
| 8 | { |
| 9 | return p[0] << 8 | p[1]; |
| 10 | } |
| 11 | |
| 12 | static inline u32 __get_unaligned_be32(const u8 *p) |
| 13 | { |
| 14 | return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; |
| 15 | } |
| 16 | |
| 17 | static inline u64 __get_unaligned_be64(const u8 *p) |
| 18 | { |
| 19 | return (u64)__get_unaligned_be32(p) << 32 | |
| 20 | __get_unaligned_be32(p + 4); |
| 21 | } |
| 22 | |
| 23 | static inline void __put_unaligned_be16(u16 val, u8 *p) |
| 24 | { |
| 25 | *p++ = val >> 8; |
| 26 | *p++ = val; |
| 27 | } |
| 28 | |
| 29 | static inline void __put_unaligned_be32(u32 val, u8 *p) |
| 30 | { |
| 31 | __put_unaligned_be16(val >> 16, p); |
| 32 | __put_unaligned_be16(val, p + 2); |
| 33 | } |
| 34 | |
| 35 | static inline void __put_unaligned_be64(u64 val, u8 *p) |
| 36 | { |
| 37 | __put_unaligned_be32(val >> 32, p); |
| 38 | __put_unaligned_be32(val, p + 4); |
| 39 | } |
| 40 | |
| 41 | static inline u16 get_unaligned_be16(const void *p) |
| 42 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 43 | return __get_unaligned_be16(p); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | static inline u32 get_unaligned_be32(const void *p) |
| 47 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 48 | return __get_unaligned_be32(p); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | static inline u64 get_unaligned_be64(const void *p) |
| 52 | { |
Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 53 | return __get_unaligned_be64(p); |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | static inline void put_unaligned_be16(u16 val, void *p) |
| 57 | { |
| 58 | __put_unaligned_be16(val, p); |
| 59 | } |
| 60 | |
| 61 | static inline void put_unaligned_be32(u32 val, void *p) |
| 62 | { |
| 63 | __put_unaligned_be32(val, p); |
| 64 | } |
| 65 | |
| 66 | static inline void put_unaligned_be64(u64 val, void *p) |
| 67 | { |
| 68 | __put_unaligned_be64(val, p); |
| 69 | } |
| 70 | |
| 71 | #endif /* _LINUX_UNALIGNED_BE_BYTESHIFT_H */ |