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 */
37