xref: /netbsd-src/sys/external/bsd/common/include/asm/byteorder.h (revision 8e38c3aaa02d175c318bb73f71da2d175049eeac)
1*8e38c3aaSriastradh /*	$NetBSD: byteorder.h,v 1.2 2021/12/19 10:56:30 riastradh Exp $	*/
236e6f0b2Sriastradh 
336e6f0b2Sriastradh /*-
436e6f0b2Sriastradh  * Copyright (c) 2013 The NetBSD Foundation, Inc.
536e6f0b2Sriastradh  * All rights reserved.
636e6f0b2Sriastradh  *
736e6f0b2Sriastradh  * This code is derived from software contributed to The NetBSD Foundation
836e6f0b2Sriastradh  * by Taylor R. Campbell.
936e6f0b2Sriastradh  *
1036e6f0b2Sriastradh  * Redistribution and use in source and binary forms, with or without
1136e6f0b2Sriastradh  * modification, are permitted provided that the following conditions
1236e6f0b2Sriastradh  * are met:
1336e6f0b2Sriastradh  * 1. Redistributions of source code must retain the above copyright
1436e6f0b2Sriastradh  *    notice, this list of conditions and the following disclaimer.
1536e6f0b2Sriastradh  * 2. Redistributions in binary form must reproduce the above copyright
1636e6f0b2Sriastradh  *    notice, this list of conditions and the following disclaimer in the
1736e6f0b2Sriastradh  *    documentation and/or other materials provided with the distribution.
1836e6f0b2Sriastradh  *
1936e6f0b2Sriastradh  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
2036e6f0b2Sriastradh  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
2136e6f0b2Sriastradh  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
2236e6f0b2Sriastradh  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
2336e6f0b2Sriastradh  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2436e6f0b2Sriastradh  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2536e6f0b2Sriastradh  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2636e6f0b2Sriastradh  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2736e6f0b2Sriastradh  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2836e6f0b2Sriastradh  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2936e6f0b2Sriastradh  * POSSIBILITY OF SUCH DAMAGE.
3036e6f0b2Sriastradh  */
3136e6f0b2Sriastradh 
3236e6f0b2Sriastradh #ifndef _ASM_BYTEORDER_H_
3336e6f0b2Sriastradh #define _ASM_BYTEORDER_H_
3436e6f0b2Sriastradh 
3536e6f0b2Sriastradh #include <sys/endian.h>
3636e6f0b2Sriastradh 
37*8e38c3aaSriastradh #if _BYTE_ORDER == _LITTLE_ENDIAN
38*8e38c3aaSriastradh #define	__LITTLE_ENDIAN
39*8e38c3aaSriastradh #elif _BYTE_ORDER == _BIG_ENDIAN
40*8e38c3aaSriastradh #define	__BIG_ENDIAN
41*8e38c3aaSriastradh #else
42*8e38c3aaSriastradh #error Unknown byte order!
43*8e38c3aaSriastradh #endif
44*8e38c3aaSriastradh 
4536e6f0b2Sriastradh #define	cpu_to_le16	htole16
4636e6f0b2Sriastradh #define	cpu_to_le32	htole32
4736e6f0b2Sriastradh #define	cpu_to_le64	htole64
4836e6f0b2Sriastradh #define	cpu_to_be16	htobe16
4936e6f0b2Sriastradh #define	cpu_to_be32	htobe32
5036e6f0b2Sriastradh #define	cpu_to_be64	htobe64
5136e6f0b2Sriastradh 
5236e6f0b2Sriastradh #define	le16_to_cpu	le16toh
5336e6f0b2Sriastradh #define	le32_to_cpu	le32toh
5436e6f0b2Sriastradh #define	le64_to_cpu	le64toh
5536e6f0b2Sriastradh #define	be16_to_cpu	be16toh
5636e6f0b2Sriastradh #define	be32_to_cpu	be32toh
5736e6f0b2Sriastradh #define	be64_to_cpu	be64toh
5836e6f0b2Sriastradh 
5936e6f0b2Sriastradh #define	be16_to_cpup	be16dec
6036e6f0b2Sriastradh #define	be32_to_cpup	be32dec
6136e6f0b2Sriastradh #define	be64_to_cpup	be64dec
6236e6f0b2Sriastradh #define	le16_to_cpup	le16dec
6336e6f0b2Sriastradh #define	le32_to_cpup	le32dec
6436e6f0b2Sriastradh #define	le64_to_cpup	le64dec
6536e6f0b2Sriastradh 
6636e6f0b2Sriastradh #endif	/* _ASM_BYTEORDER_H_ */
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