[deliverable/linux.git] / include / asm-mips / unaligned.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
 */
#ifndef __ASM_GENERIC_UNALIGNED_H
#define __ASM_GENERIC_UNALIGNED_H

#include <linux/compiler.h>

#define get_unaligned(ptr)					\
({								\
	struct __packed {					\
		typeof(*(ptr)) __v;				\
	} *__p = (void *) (ptr);				\
	__p->__v;						\
})

#define put_unaligned(val, ptr)					\
do {								\
	struct __packed {					\
		typeof(*(ptr)) __v;				\
	} *__p = (void *) (ptr);				\
	__p->__v = (val);					\
} while(0)

#endif /* __ASM_GENERIC_UNALIGNED_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
9cfde202	6	* Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
1da177e4	7	*/
9cfde202 RB	8	#ifndef __ASM_GENERIC_UNALIGNED_H
9cfde202 RB	9	#define __ASM_GENERIC_UNALIGNED_H
1da177e4	10
9cfde202	11	#include <linux/compiler.h>
1da177e4	12
9cfde202 RB	13	#define get_unaligned(ptr) \
	14	({ \
	15	struct __packed { \
	16	typeof(*(ptr)) __v; \
	17	} __p = (void ) (ptr); \
	18	__p->__v; \
	19	})
	20
	21	#define put_unaligned(val, ptr) \
	22	do { \
	23	struct __packed { \
	24	typeof(*(ptr)) __v; \
	25	} __p = (void ) (ptr); \
	26	__p->__v = (val); \
	27	} while(0)
	28
	29	#endif /* __ASM_GENERIC_UNALIGNED_H */