bsd/ppc/endian.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*
  30  * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
  31  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  32  *
  33  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  34  *
  35  * This file contains Original Code and/or Modifications of Original Code
  36  * as defined in and that are subject to the Apple Public Source License
  37  * Version 2.0 (the 'License'). You may not use this file except in
  38  * compliance with the License. The rights granted to you under the License
  39  * may not be used to create, or enable the creation or redistribution of,
  40  * unlawful or unlicensed copies of an Apple operating system, or to
  41  * circumvent, violate, or enable the circumvention or violation of, any
  42  * terms of an Apple operating system software license agreement.
  43  *
  44  * Please obtain a copy of the License at
  45  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  46  *
  47  * The Original Code and all software distributed under the License are
  48  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  49  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  50  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  51  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  52  * Please see the License for the specific language governing rights and
  53  * limitations under the License.
  54  *
  55  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  56  */
  57 /*
  58  * Copyright (c) 1987, 1991, 1993
  59  *      The Regents of the University of California.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  * 1. Redistributions of source code must retain the above copyright
  65  *    notice, this list of conditions and the following disclaimer.
  66  * 2. Redistributions in binary form must reproduce the above copyright
  67  *    notice, this list of conditions and the following disclaimer in the
  68  *    documentation and/or other materials provided with the distribution.
  69  * 3. All advertising materials mentioning features or use of this software
  70  *    must display the following acknowledgement:
  71  *      This product includes software developed by the University of
  72  *      California, Berkeley and its contributors.
  73  * 4. Neither the name of the University nor the names of its contributors
  74  *    may be used to endorse or promote products derived from this software
  75  *    without specific prior written permission.
  76  *
  77  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  78  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  79  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  80  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  81  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  82  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  83  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  84  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  85  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  86  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  87  * SUCH DAMAGE.
  88  *
  89  *      @(#)endian.h    8.1 (Berkeley) 6/10/93
  90  */
  91
  92 #ifndef _PPC_ENDIAN_H_
  93 #define _PPC_ENDIAN_H_
  94
  95 /*
  96  * Define the order of 32-bit words in 64-bit words.
  97  */
  98 #define _QUAD_HIGHWORD 0
  99 #define _QUAD_LOWWORD 1
 100
 101 /*
 102  * Definitions for byte order, according to byte significance from low
 103  * address to high.
 104  */
 105 #define __DARWIN_LITTLE_ENDIAN  1234    /* LSB first: i386, vax */
 106 #define __DARWIN_BIG_ENDIAN     4321    /* MSB first: 68000, ibm, net, ppc */
 107 #define __DARWIN_PDP_ENDIAN     3412    /* LSB first in word, MSW first in long */
 108
 109 #define __DARWIN_BYTE_ORDER     __DARWIN_BIG_ENDIAN
 110
 111 #if     defined(KERNEL) || !defined(_POSIX_C_SOURCE)
 112
 113 #define LITTLE_ENDIAN   __DARWIN_LITTLE_ENDIAN
 114 #define BIG_ENDIAN      __DARWIN_BIG_ENDIAN
 115 #define PDP_ENDIAN      __DARWIN_PDP_ENDIAN
 116
 117 #define BYTE_ORDER      __DARWIN_BYTE_ORDER
 118
 119 #include <sys/_endian.h>
 120
 121 #endif /* defined(KERNEL) || !defined(_POSIX_C_SOURCE) */
 122 #endif /* !_PPC_ENDIAN_H_ */