[apple/xnu.git] / osfmk / mach / ppc / exception.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_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. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * 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_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Copyright (c) 1990, 1991, 1992, The University of Utah and
 * the Center for Software Science at the University of Utah (CSS).
 * All rights reserved.
 *
 * Permission to use, copy, modify and distribute this software is hereby
 * granted provided that (1) source code retains these copyright, permission,
 * and disclaimer notices, and (2) redistributions including binaries
 * reproduce the notices in supporting documentation, and (3) all advertising
 * materials mentioning features or use of this software display the following
 * acknowledgement: ``This product includes software developed by the Center
 * for Software Science at the University of Utah.''
 *
 * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
 * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * CSS requests users of this software to return to css-dist@cs.utah.edu any
 * improvements that they make and grant CSS redistribution rights.
 *
 * 	Utah $Hdr: $
 */

#ifndef	_MACH_PPC_EXCEPTION_H_
#define _MACH_PPC_EXCEPTION_H_

#define	EXC_TYPES_COUNT	11	/* incl. illegal exception 0 */

#define EXCEPTION_CODE_MAX 2    /* elements in vector (code+subcode) */
/*
 *	EXC_BAD_INSTRUCTION
 */

#define EXC_PPC_INVALID_SYSCALL	1    /* invalid syscall number */
#define EXC_PPC_UNIPL_INST	2    /* unimplemented instruction */
#define EXC_PPC_PRIVINST	3    /* priviledged instruction */
#define EXC_PPC_PRIVREG		4    /* priviledged register */
#define EXC_PPC_TRACE		5    /* trace/single-step */
#define EXC_PPC_PERFMON     6    /* performance monitor */ 

/*
 *	EXC_BAD_ACCESS
 *	Note: do not conflict with kern_return_t values returned by vm_fault
 */

#define EXC_PPC_VM_PROT_READ		0x101 /* error reading syscall args */
#define EXC_PPC_BADSPACE		0x102 /* bad space referenced */
#define EXC_PPC_UNALIGNED		0x103 /* unaligned data reference */

/*
 *	EXC_ARITHMETIC
 */

#define EXC_PPC_OVERFLOW		1    /* integer overflow */
#define EXC_PPC_ZERO_DIVIDE		2    /* integer divide by zero */
#define EXC_PPC_FLT_INEXACT		3    /* IEEE inexact exception */
#define EXC_PPC_FLT_ZERO_DIVIDE		4    /* IEEE zero divide */
#define EXC_PPC_FLT_UNDERFLOW		5    /* IEEE floating underflow */
#define EXC_PPC_FLT_OVERFLOW		6    /* IEEE floating overflow */
#define EXC_PPC_FLT_NOT_A_NUMBER	7    /* IEEE not a number */

/*
 * EXC_PPC_NOEMULATION should go away when we add software emulation
 * for floating point. Right now we don't support this.
 */

#define EXC_PPC_NOEMULATION		8	/* no floating point emulation */
#define EXC_PPC_ALTIVECASSIST	9	/* Altivec Denorm Assist */

/*
 *	EXC_SOFTWARE
 * 	Note: 0x10000-0x10003 in use for unix signal 
 */
#define EXC_PPC_TRAP		1		/* Program trap */
#define EXC_PPC_MIGRATE		0x10100		/* Time to bolt */


/*
 *	EXC_BREAKPOINT
 */

#define EXC_PPC_BREAKPOINT		EXC_PPC_TRAP    /* breakpoint trap */

/*
 *	machine dependent exception masks
 */
#define	EXC_MASK_MACHINE	0

#endif	/* _MACH_PPC_EXCEPTION_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 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. 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.
8f6c56a5	14	*
2d21ac55 A	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
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	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.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Copyright (c) 1990, 1991, 1992, The University of Utah and
	33	* the Center for Software Science at the University of Utah (CSS).
	34	* All rights reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software is hereby
	37	* granted provided that (1) source code retains these copyright, permission,
	38	* and disclaimer notices, and (2) redistributions including binaries
	39	* reproduce the notices in supporting documentation, and (3) all advertising
	40	* materials mentioning features or use of this software display the following
	41	* acknowledgement: ``This product includes software developed by the Center
	42	* for Software Science at the University of Utah.''
	43	*
	44	* THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
	45	* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
	46	* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	47	*
	48	* CSS requests users of this software to return to css-dist@cs.utah.edu any
	49	* improvements that they make and grant CSS redistribution rights.
	50	*
	51	* Utah $Hdr: $
	52	*/
	53
	54	#ifndef _MACH_PPC_EXCEPTION_H_
	55	#define _MACH_PPC_EXCEPTION_H_
	56
2d21ac55	57	#define EXC_TYPES_COUNT 11 /* incl. illegal exception 0 */
1c79356b A	58
	59	#define EXCEPTION_CODE_MAX 2 /* elements in vector (code+subcode) */
	60	/*
	61	* EXC_BAD_INSTRUCTION
	62	*/
	63
	64	#define EXC_PPC_INVALID_SYSCALL 1 /* invalid syscall number */
	65	#define EXC_PPC_UNIPL_INST 2 /* unimplemented instruction */
	66	#define EXC_PPC_PRIVINST 3 /* priviledged instruction */
	67	#define EXC_PPC_PRIVREG 4 /* priviledged register */
	68	#define EXC_PPC_TRACE 5 /* trace/single-step */
55e303ae	69	#define EXC_PPC_PERFMON 6 /* performance monitor */
1c79356b A	70
	71	/*
	72	* EXC_BAD_ACCESS
	73	* Note: do not conflict with kern_return_t values returned by vm_fault
	74	*/
	75
	76	#define EXC_PPC_VM_PROT_READ 0x101 /* error reading syscall args */
	77	#define EXC_PPC_BADSPACE 0x102 /* bad space referenced */
	78	#define EXC_PPC_UNALIGNED 0x103 /* unaligned data reference */
	79
	80	/*
	81	* EXC_ARITHMETIC
	82	*/
	83
	84	#define EXC_PPC_OVERFLOW 1 /* integer overflow */
	85	#define EXC_PPC_ZERO_DIVIDE 2 /* integer divide by zero */
	86	#define EXC_PPC_FLT_INEXACT 3 /* IEEE inexact exception */
	87	#define EXC_PPC_FLT_ZERO_DIVIDE 4 /* IEEE zero divide */
	88	#define EXC_PPC_FLT_UNDERFLOW 5 /* IEEE floating underflow */
	89	#define EXC_PPC_FLT_OVERFLOW 6 /* IEEE floating overflow */
	90	#define EXC_PPC_FLT_NOT_A_NUMBER 7 /* IEEE not a number */
	91
	92	/*
	93	* EXC_PPC_NOEMULATION should go away when we add software emulation
	94	* for floating point. Right now we don't support this.
	95	*/
	96
	97	#define EXC_PPC_NOEMULATION 8 /* no floating point emulation */
	98	#define EXC_PPC_ALTIVECASSIST 9 /* Altivec Denorm Assist */
	99
	100	/*
	101	* EXC_SOFTWARE
9bccf70c	102	* Note: 0x10000-0x10003 in use for unix signal
1c79356b A	103	*/
	104	#define EXC_PPC_TRAP 1 /* Program trap */
	105	#define EXC_PPC_MIGRATE 0x10100 /* Time to bolt */
	106
	107
	108	/*
	109	* EXC_BREAKPOINT
	110	*/
	111
	112	#define EXC_PPC_BREAKPOINT EXC_PPC_TRAP /* breakpoint trap */
	113
	114	/*
	115	* machine dependent exception masks
	116	*/
	117	#define EXC_MASK_MACHINE 0
	118
	119	#endif /* _MACH_PPC_EXCEPTION_H_ */