1/*
2 * OpenRISC Linux
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others.  All original copyrights apply as per the original source
6 * declaration.
7 *
8 * OpenRISC implementation:
9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 */
18
19#ifndef __ASM_OPENRISC_UNALIGNED_H
20#define __ASM_OPENRISC_UNALIGNED_H
21
22/*
23 * This is copied from the generic implementation and the C-struct
24 * variant replaced with the memmove variant.  The GCC compiler
25 * for the OR32 arch optimizes too aggressively for the C-struct
26 * variant to work, so use the memmove variant instead.
27 *
28 * It may be worth considering implementing the unaligned access
29 * exception handler and allowing unaligned accesses (access_ok.h)...
30 * not sure if it would be much of a performance win without further
31 * investigation.
32 */
33#include <asm/byteorder.h>
34
35#if defined(__LITTLE_ENDIAN)
36# include <linux/unaligned/le_memmove.h>
37# include <linux/unaligned/be_byteshift.h>
38# include <linux/unaligned/generic.h>
39# define get_unaligned	__get_unaligned_le
40# define put_unaligned	__put_unaligned_le
41#elif defined(__BIG_ENDIAN)
42# include <linux/unaligned/be_memmove.h>
43# include <linux/unaligned/le_byteshift.h>
44# include <linux/unaligned/generic.h>
45# define get_unaligned	__get_unaligned_be
46# define put_unaligned	__put_unaligned_be
47#else
48# error need to define endianess
49#endif
50
51#endif /* __ASM_OPENRISC_UNALIGNED_H */
52