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

/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The 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, QUIET ENJOYMENT 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@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The 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, QUIET ENJOYMENT 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	*
ff6e181a A	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. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
91447636	12	*
ff6e181a A	13	* The Original Code and all software distributed under the License are
ff6e181a A	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
91447636 A	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
91447636 A	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
ff6e181a A	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
91447636 A	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23
1c79356b A	24	/*
1c79356b A	25	* Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
9bccf70c	26	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	27	*
	28	* @APPLE_LICENSE_HEADER_START@
	29	*
ff6e181a A	30	* This file contains Original Code and/or Modifications of Original Code
	31	* as defined in and that are subject to the Apple Public Source License
	32	* Version 2.0 (the 'License'). You may not use this file except in
	33	* compliance with the License. Please obtain a copy of the License at
	34	* http://www.opensource.apple.com/apsl/ and read it before using this
	35	* file.
1c79356b	36	*
ff6e181a A	37	* The Original Code and all software distributed under the License are
ff6e181a A	38	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	39	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	40	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
ff6e181a A	41	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	42	* Please see the License for the specific language governing rights and
	43	* limitations under the License.
1c79356b A	44	*
	45	* @APPLE_LICENSE_HEADER_END@
	46	*/
	47	/*
	48	* Copyright (c) 1987, 1991, 1993
	49	* The Regents of the University of California. All rights reserved.
	50	*
	51	* Redistribution and use in source and binary forms, with or without
	52	* modification, are permitted provided that the following conditions
	53	* are met:
	54	* 1. Redistributions of source code must retain the above copyright
	55	* notice, this list of conditions and the following disclaimer.
	56	* 2. Redistributions in binary form must reproduce the above copyright
	57	* notice, this list of conditions and the following disclaimer in the
	58	* documentation and/or other materials provided with the distribution.
	59	* 3. All advertising materials mentioning features or use of this software
	60	* must display the following acknowledgement:
	61	* This product includes software developed by the University of
	62	* California, Berkeley and its contributors.
	63	* 4. Neither the name of the University nor the names of its contributors
	64	* may be used to endorse or promote products derived from this software
	65	* without specific prior written permission.
	66	*
	67	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	68	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	69	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	70	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	71	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	72	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	73	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	74	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	75	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	76	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	77	* SUCH DAMAGE.
	78	*
	79	* @(#)endian.h 8.1 (Berkeley) 6/10/93
	80	*/
	81
	82	#ifndef _PPC_ENDIAN_H_
	83	#define _PPC_ENDIAN_H_
	84
	85	/*
	86	* Define the order of 32-bit words in 64-bit words.
	87	*/
	88	#define _QUAD_HIGHWORD 0
	89	#define _QUAD_LOWWORD 1
	90
1c79356b A	91	/*
	92	* Definitions for byte order, according to byte significance from low
	93	* address to high.
	94	*/
91447636 A	95	#define __DARWIN_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
	96	#define __DARWIN_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */
	97	#define __DARWIN_PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
1c79356b	98
91447636	99	#define __DARWIN_BYTE_ORDER __DARWIN_BIG_ENDIAN
1c79356b	100
91447636	101	#if defined(KERNEL) \|\| !defined(_POSIX_C_SOURCE)
1c79356b	102
91447636 A	103	#define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
	104	#define BIG_ENDIAN __DARWIN_BIG_ENDIAN
	105	#define PDP_ENDIAN __DARWIN_PDP_ENDIAN
1c79356b	106
91447636	107	#define BYTE_ORDER __DARWIN_BYTE_ORDER
1c79356b	108
91447636	109	#include <sys/_endian.h>
1c79356b	110
91447636	111	#endif /* defined(KERNEL) \|\| !defined(_POSIX_C_SOURCE) */
1c79356b	112	#endif /* !_PPC_ENDIAN_H_ */