| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __ASM_GENERIC_UNALIGNED_H |
| 3 | #define __ASM_GENERIC_UNALIGNED_H |
| 4 | |
| 5 | /* |
| 6 | * This is the most generic implementation of unaligned accesses |
| 7 | * and should work almost anywhere. |
| 8 | */ |
| 9 | #include <asm/byteorder.h> |
| 10 | |
| 11 | /* Set by the arch if it can handle unaligned accesses in hardware. */ |
| 12 | #ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 13 | # include <linux/unaligned/access_ok.h> |
| 14 | #endif |
| 15 | |
| 16 | #if defined(__LITTLE_ENDIAN) |
| 17 | # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 18 | # include <linux/unaligned/le_struct.h> |
| 19 | # include <linux/unaligned/be_byteshift.h> |
| 20 | # endif |
| 21 | # include <linux/unaligned/generic.h> |
| 22 | # define get_unaligned __get_unaligned_le |
| 23 | # define put_unaligned __put_unaligned_le |
| 24 | #elif defined(__BIG_ENDIAN) |
| 25 | # ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| 26 | # include <linux/unaligned/be_struct.h> |
| 27 | # include <linux/unaligned/le_byteshift.h> |
| 28 | # endif |
| 29 | # include <linux/unaligned/generic.h> |
| 30 | # define get_unaligned __get_unaligned_be |
| 31 | # define put_unaligned __put_unaligned_be |
| 32 | #else |
| 33 | # error need to define endianess |
| 34 | #endif |
| 35 | |
| 36 | #endif /* __ASM_GENERIC_UNALIGNED_H */ |