Current Path : /sys/sparc64/include/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/sparc64/include/endian.h |
/*- * Copyright (c) 1987, 1991, 1993 * The 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. * 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. * * @(#)endian.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: release/9.1.0/sys/sparc64/include/endian.h 233349 2012-03-23 10:55:19Z dim $ */ #ifndef _MACHINE_ENDIAN_H_ #define _MACHINE_ENDIAN_H_ #include <sys/cdefs.h> #include <sys/_types.h> /* * Define the order of 32-bit words in 64-bit words. */ #define _QUAD_HIGHWORD 0 #define _QUAD_LOWWORD 1 /* * 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 _BIG_ENDIAN /* * Deprecated variants that don't have enough underscores to be useful in more * strict namespaces. */ #if __BSD_VISIBLE #define LITTLE_ENDIAN _LITTLE_ENDIAN #define BIG_ENDIAN _BIG_ENDIAN #define PDP_ENDIAN _PDP_ENDIAN #define BYTE_ORDER _BYTE_ORDER #endif #if defined(__GNUCLIKE_BUILTIN_CONSTANT_P) && defined(__OPTIMIZE__) #define __is_constant(x) __builtin_constant_p(x) #else #define __is_constant(x) 0 #endif #define __bswap16_const(x) ((((__uint16_t)(x) >> 8) & 0xff) | \ (((__uint16_t)(x) << 8) & 0xff00)) #define __bswap32_const(x) ((((__uint32_t)(x) >> 24) & 0xff) | \ (((__uint32_t)(x) >> 8) & 0xff00) | \ (((__uint32_t)(x)<< 8) & 0xff0000) | \ (((__uint32_t)(x) << 24) & 0xff000000)) #define __bswap64_const(x) ((((__uint64_t)(x) >> 56) & 0xff) | \ (((__uint64_t)(x) >> 40) & 0xff00) | \ (((__uint64_t)(x) >> 24) & 0xff0000) | \ (((__uint64_t)(x) >> 8) & 0xff000000) | \ (((__uint64_t)(x) << 8) & ((__uint64_t)0xff << 32)) | \ (((__uint64_t)(x) << 24) & ((__uint64_t)0xff << 40)) | \ (((__uint64_t)(x) << 40) & ((__uint64_t)0xff << 48)) | \ (((__uint64_t)(x) << 56) & ((__uint64_t)0xff << 56))) static __inline __uint16_t __bswap16_var(__uint16_t _x) { return ((_x >> 8) | ((_x << 8) & 0xff00)); } static __inline __uint32_t __bswap32_var(__uint32_t _x) { return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) | ((_x << 24) & 0xff000000)); } static __inline __uint64_t __bswap64_var(__uint64_t _x) { return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) | ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) | ((_x << 24) & ((__uint64_t)0xff << 40)) | ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56))); } #define __bswap16(x) ((__uint16_t)(__is_constant(x) ? __bswap16_const(x) : \ __bswap16_var(x))) #define __bswap32(x) (__is_constant(x) ? __bswap32_const(x) : \ __bswap32_var(x)) #define __bswap64(x) (__is_constant(x) ? __bswap64_const(x) : \ __bswap64_var(x)) #define __htonl(x) ((__uint32_t)(x)) #define __htons(x) ((__uint16_t)(x)) #define __ntohl(x) ((__uint32_t)(x)) #define __ntohs(x) ((__uint16_t)(x)) #endif /* !_MACHINE_ENDIAN_H_ */