1/*
2 * include/asm-xtensa/unaligned.h
3 *
4 * Xtensa doesn't handle unaligned accesses efficiently.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License.  See the file "COPYING" in the main directory of this archive
8 * for more details.
9 *
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_UNALIGNED_H
14#define _XTENSA_UNALIGNED_H
15
16#include <linux/string.h>
17
18/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
19
20#define get_unaligned(ptr) \
21  ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
22
23#define put_unaligned(val, ptr)				\
24  ({ __typeof__(*(ptr)) __tmp = (val);			\
25     memmove((ptr), &__tmp, sizeof(*(ptr)));		\
26     (void)0; })
27
28#endif	/* _XTENSA_UNALIGNED_H */
29