diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-04-24 11:09:01 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-04-24 11:09:01 +0000 |
commit | 6bbb90fd25d2dcd7a4acdc8969a442fd71b98a06 (patch) | |
tree | da1eb150bc647bb89c88e694d8714e5193738055 /sys/arch/arm32/include/endian.h | |
parent | 00287be7e84692788588bfeb60508f1022602abb (diff) |
Initial import of arm32 port
Diffstat (limited to 'sys/arch/arm32/include/endian.h')
-rw-r--r-- | sys/arch/arm32/include/endian.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/arch/arm32/include/endian.h b/sys/arch/arm32/include/endian.h new file mode 100644 index 00000000000..a7eb2a40665 --- /dev/null +++ b/sys/arch/arm32/include/endian.h @@ -0,0 +1,78 @@ +/* $NetBSD: endian.h,v 1.2 1996/03/14 23:11:10 mark Exp $ */ + +/* + * Copyright (c) 1987, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)endian.h 7.8 (Berkeley) 4/3/91 + */ + +#ifndef _MACHINE_ENDIAN_H_ +#define _MACHINE_ENDIAN_H_ + +/* + * Define the order of 32-bit words in 64-bit words. + */ +#define _QUAD_HIGHWORD 1 +#define _QUAD_LOWWORD 0 + + +#ifndef _POSIX_SOURCE +/* + * Definitions for byte order, according to byte significance from low + * address to high. + */ +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ +#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ +#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ + +#define BYTE_ORDER LITTLE_ENDIAN + +#include <sys/cdefs.h> + +__BEGIN_DECLS +unsigned long htonl __P((unsigned long)); +unsigned short htons __P((unsigned short)); +unsigned long ntohl __P((unsigned long)); +unsigned short ntohs __P((unsigned short)); +__END_DECLS + +/* + * Macros for network/external number representation conversion. + */ +#define NTOHL(x) (x) = ntohl((unsigned long)(x)) +#define NTOHS(x) (x) = ntohs((unsigned short)(x)) +#define HTONL(x) (x) = htonl((unsigned long)(x)) +#define HTONS(x) (x) = htons((unsigned short)(x)) + +#endif /* _POSIX_SOURCE */ + +#endif /* _MACHINE_ENDIAN_H_ */ |