projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved. | |
| 9bccf70c | 3 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| 1c79356b A |
4 | * |
| 5 | * @APPLE_LICENSE_HEADER_START@ | |
| 6 | * | |
| 43866e37 | 7 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 8 | * |
| 43866e37 A |
9 | * This file contains Original Code and/or Modifications of Original Code |
| 10 | * as defined in and that are subject to the Apple Public Source License | |
| 11 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 12 | * compliance with the License. Please obtain a copy of the License at | |
| 13 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 14 | * file. | |
| 15 | * | |
| 16 | * The Original Code and all software distributed under the License are | |
| 17 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
18 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 19 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 43866e37 A |
20 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 21 | * Please see the License for the specific language governing rights and | |
| 22 | * limitations under the License. | |
| 1c79356b A |
23 | * |
| 24 | * @APPLE_LICENSE_HEADER_END@ | |
| 25 | */ | |
| 26 | /* | |
| 27 | * Copyright (c) 1987, 1991, 1993 | |
| 28 | * The Regents of the University of California. All rights reserved. | |
| 29 | * | |
| 30 | * Redistribution and use in source and binary forms, with or without | |
| 31 | * modification, are permitted provided that the following conditions | |
| 32 | * are met: | |
| 33 | * 1. Redistributions of source code must retain the above copyright | |
| 34 | * notice, this list of conditions and the following disclaimer. | |
| 35 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 36 | * notice, this list of conditions and the following disclaimer in the | |
| 37 | * documentation and/or other materials provided with the distribution. | |
| 38 | * 3. All advertising materials mentioning features or use of this software | |
| 39 | * must display the following acknowledgement: | |
| 40 | * This product includes software developed by the University of | |
| 41 | * California, Berkeley and its contributors. | |
| 42 | * 4. Neither the name of the University nor the names of its contributors | |
| 43 | * may be used to endorse or promote products derived from this software | |
| 44 | * without specific prior written permission. | |
| 45 | * | |
| 46 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 47 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 49 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 50 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 51 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 52 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 53 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 54 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 55 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 56 | * SUCH DAMAGE. | |
| 57 | * | |
| 58 | * @(#)endian.h 8.1 (Berkeley) 6/10/93 | |
| 59 | */ | |
| 60 | ||
| 61 | #ifndef _PPC_ENDIAN_H_ | |
| 62 | #define _PPC_ENDIAN_H_ | |
| 63 | ||
| 64 | /* | |
| 65 | * Define the order of 32-bit words in 64-bit words. | |
| 66 | */ | |
| 67 | #define _QUAD_HIGHWORD 0 | |
| 68 | #define _QUAD_LOWWORD 1 | |
| 69 | ||
| 70 | #if defined(KERNEL) || !defined(_POSIX_SOURCE) | |
| 71 | /* | |
| 72 | * Definitions for byte order, according to byte significance from low | |
| 73 | * address to high. | |
| 74 | */ | |
| 75 | #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ | |
| 76 | #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */ | |
| 77 | #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ | |
| 78 | ||
| 79 | #define BYTE_ORDER BIG_ENDIAN | |
| 80 | ||
| 81 | #include <sys/cdefs.h> | |
| 82 | ||
| 83 | #ifndef __ASSEMBLER__ | |
| 84 | __BEGIN_DECLS | |
| 85 | unsigned long htonl __P((unsigned long)); | |
| 86 | unsigned short htons __P((unsigned short)); | |
| 87 | unsigned long ntohl __P((unsigned long)); | |
| 88 | unsigned short ntohs __P((unsigned short)); | |
| 89 | __END_DECLS | |
| 90 | #endif /* __ASSEMBLER__ */ | |
| 91 | ||
| 92 | /* | |
| 93 | * Macros for network/external number representation conversion. | |
| 94 | */ | |
| 95 | #if BYTE_ORDER == BIG_ENDIAN && !defined(lint) | |
| 96 | #define ntohl(x) (x) | |
| 97 | #define ntohs(x) (x) | |
| 98 | #define htonl(x) (x) | |
| 99 | #define htons(x) (x) | |
| 100 | ||
| 101 | #define NTOHL(x) (x) | |
| 102 | #define NTOHS(x) (x) | |
| 103 | #define HTONL(x) (x) | |
| 104 | #define HTONS(x) (x) | |
| 105 | ||
| 106 | #else | |
| 107 | ||
| 108 | #include <machine/byte_order.h> | |
| 109 | ||
| 110 | #define ntohl(x) NXSwapBigLongToHost(x) | |
| 111 | #define ntohs(x) NXSwapBigShortToHost(x) | |
| 112 | #define htonl(x) NXSwapHostLongToBig(x) | |
| 113 | #define htons(x) NXSwapHostShortToBig(x) | |
| 114 | ||
| 115 | #define NTOHL(x) (x) = ntohl((u_long)x) | |
| 116 | #define NTOHS(x) (x) = ntohs((u_short)x) | |
| 117 | #define HTONL(x) (x) = htonl((u_long)x) | |
| 118 | #define HTONS(x) (x) = htons((u_short)x) | |
| 119 | #endif | |
| 120 | #endif /* defined(KERNEL) || !defined(_POSIX_SOURCE) */ | |
| 121 | #endif /* !_PPC_ENDIAN_H_ */ |