diff options
Diffstat (limited to 'rtemsbsd/freebsd/machine')
-rw-r--r-- | rtemsbsd/freebsd/machine/endian.h | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/rtemsbsd/freebsd/machine/endian.h b/rtemsbsd/freebsd/machine/endian.h index 1b8128da..3f197a46 100644 --- a/rtemsbsd/freebsd/machine/endian.h +++ b/rtemsbsd/freebsd/machine/endian.h @@ -7,7 +7,7 @@ */ /* - * Copyright (c) 2009, 2010 embedded brains GmbH. All rights reserved. + * Copyright (c) 2009-2012 embedded brains GmbH. All rights reserved. * * embedded brains GmbH * Obere Lagerstr. 30 @@ -15,9 +15,32 @@ * Germany * <rtems@embedded-brains.de> * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. + * 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. */ #ifndef _RTEMS_BSD_MACHINE_ENDIAN_H @@ -45,4 +68,14 @@ #define __ntohl(x) __bswap32(x) #define __ntohs(x) __bswap16(x) +static __inline uint64_t +__bswap64(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))); +} + #endif /* _RTEMS_BSD_MACHINE_ENDIAN_H */ |