projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| aafe4dbe AB |
1 | #ifndef __ASM_GENERIC_UNALIGNED_H |
| 2 | #define __ASM_GENERIC_UNALIGNED_H | |
| 3 | ||
| 4 | /* | |
| 5 | * This is the most generic implementation of unaligned accesses | |
| 6 | * and should work almost anywhere. | |
| aafe4dbe AB |
7 | */ |
| 8 | #include <asm/byteorder.h> | |
| 9 | ||
| 0567f5fa AB |
10 | /* Set by the arch if it can handle unaligned accesses in hardware. */ |
| 11 | #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS | |
| 12 | # include <linux/unaligned/access_ok.h> | |
| 13 | #endif | |
| 14 | ||
| aafe4dbe | 15 | #if defined(__LITTLE_ENDIAN) |
| 0567f5fa AB |
16 | # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 17 | # include <linux/unaligned/le_struct.h> | |
| 18 | # include <linux/unaligned/be_byteshift.h> | |
| 19 | # endif | |
| aafe4dbe AB |
20 | # include <linux/unaligned/generic.h> |
| 21 | # define get_unaligned __get_unaligned_le | |
| 22 | # define put_unaligned __put_unaligned_le | |
| 23 | #elif defined(__BIG_ENDIAN) | |
| 0567f5fa AB |
24 | # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 25 | # include <linux/unaligned/be_struct.h> | |
| 26 | # include <linux/unaligned/le_byteshift.h> | |
| 27 | # endif | |
| aafe4dbe AB |
28 | # include <linux/unaligned/generic.h> |
| 29 | # define get_unaligned __get_unaligned_be | |
| 30 | # define put_unaligned __put_unaligned_be | |
| 31 | #else | |
| 32 | # error need to define endianess | |
| 33 | #endif | |
| 34 | ||
| 35 | #endif /* __ASM_GENERIC_UNALIGNED_H */ |