[apple/xnu.git] / bsd / ppc / endian.h

/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

/*
 * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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.
 * 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.
 *
 *	@(#)endian.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _PPC_ENDIAN_H_
#define	_PPC_ENDIAN_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	__DARWIN_LITTLE_ENDIAN	1234	/* LSB first: i386, vax */
#define	__DARWIN_BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net, ppc */
#define	__DARWIN_PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */

#define	__DARWIN_BYTE_ORDER	__DARWIN_BIG_ENDIAN

#if	defined(KERNEL) || !defined(_POSIX_C_SOURCE)

#define	LITTLE_ENDIAN	__DARWIN_LITTLE_ENDIAN
#define	BIG_ENDIAN	__DARWIN_BIG_ENDIAN
#define	PDP_ENDIAN	__DARWIN_PDP_ENDIAN

#define	BYTE_ORDER	__DARWIN_BYTE_ORDER

#include <sys/_endian.h>

#endif /* defined(KERNEL) || !defined(_POSIX_C_SOURCE) */
#endif /* !_PPC_ENDIAN_H_ */
Commit	Line	Data
91447636 A	1	/*
	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22
1c79356b A	23	/*
1c79356b A	24	* Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
9bccf70c	25	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	26	*
	27	* @APPLE_LICENSE_HEADER_START@
	28	*
e5568f75 A	29	* The contents of this file constitute Original Code as defined in and
	30	* are subject to the Apple Public Source License Version 1.1 (the
	31	* "License"). You may not use this file except in compliance with the
	32	* License. Please obtain a copy of the License at
	33	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	34	*
e5568f75 A	35	* This Original Code and all software distributed under the License are
e5568f75 A	36	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	37	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	38	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75 A	39	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	40	* License for the specific language governing rights and limitations
	41	* under the License.
1c79356b A	42	*
	43	* @APPLE_LICENSE_HEADER_END@
	44	*/
	45	/*
	46	* Copyright (c) 1987, 1991, 1993
	47	* The Regents of the University of California. All rights reserved.
	48	*
	49	* Redistribution and use in source and binary forms, with or without
	50	* modification, are permitted provided that the following conditions
	51	* are met:
	52	* 1. Redistributions of source code must retain the above copyright
	53	* notice, this list of conditions and the following disclaimer.
	54	* 2. Redistributions in binary form must reproduce the above copyright
	55	* notice, this list of conditions and the following disclaimer in the
	56	* documentation and/or other materials provided with the distribution.
	57	* 3. All advertising materials mentioning features or use of this software
	58	* must display the following acknowledgement:
	59	* This product includes software developed by the University of
	60	* California, Berkeley and its contributors.
	61	* 4. Neither the name of the University nor the names of its contributors
	62	* may be used to endorse or promote products derived from this software
	63	* without specific prior written permission.
	64	*
	65	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	66	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	67	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	68	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	69	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	70	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	71	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	72	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	73	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	74	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	75	* SUCH DAMAGE.
	76	*
	77	* @(#)endian.h 8.1 (Berkeley) 6/10/93
	78	*/
	79
	80	#ifndef _PPC_ENDIAN_H_
	81	#define _PPC_ENDIAN_H_
	82
	83	/*
	84	* Define the order of 32-bit words in 64-bit words.
	85	*/
	86	#define _QUAD_HIGHWORD 0
	87	#define _QUAD_LOWWORD 1
	88
1c79356b A	89	/*
	90	* Definitions for byte order, according to byte significance from low
	91	* address to high.
	92	*/
91447636 A	93	#define __DARWIN_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
	94	#define __DARWIN_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */
	95	#define __DARWIN_PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
1c79356b	96
91447636	97	#define __DARWIN_BYTE_ORDER __DARWIN_BIG_ENDIAN
1c79356b	98
91447636	99	#if defined(KERNEL) \|\| !defined(_POSIX_C_SOURCE)
1c79356b	100
91447636 A	101	#define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
	102	#define BIG_ENDIAN __DARWIN_BIG_ENDIAN
	103	#define PDP_ENDIAN __DARWIN_PDP_ENDIAN
1c79356b	104
91447636	105	#define BYTE_ORDER __DARWIN_BYTE_ORDER
1c79356b	106
91447636	107	#include <sys/_endian.h>
1c79356b	108
91447636	109	#endif /* defined(KERNEL) \|\| !defined(_POSIX_C_SOURCE) */
1c79356b	110	#endif /* !_PPC_ENDIAN_H_ */