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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * 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@
 */
/*
 * @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_


/* STATUS - TODO - this is just transcribed from hp stuff */

#define	EXC_TYPES_COUNT	10	/* 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 */

/*
 *	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	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
43866e37	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
43866e37 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* @OSF_COPYRIGHT@
	27	*/
	28	/*
	29	* Copyright (c) 1990, 1991, 1992, The University of Utah and
	30	* the Center for Software Science at the University of Utah (CSS).
	31	* All rights reserved.
	32	*
	33	* Permission to use, copy, modify and distribute this software is hereby
	34	* granted provided that (1) source code retains these copyright, permission,
	35	* and disclaimer notices, and (2) redistributions including binaries
	36	* reproduce the notices in supporting documentation, and (3) all advertising
	37	* materials mentioning features or use of this software display the following
	38	* acknowledgement: ``This product includes software developed by the Center
	39	* for Software Science at the University of Utah.''
	40	*
	41	* THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
	42	* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
	43	* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	44	*
	45	* CSS requests users of this software to return to css-dist@cs.utah.edu any
	46	* improvements that they make and grant CSS redistribution rights.
	47	*
	48	* Utah $Hdr: $
	49	*/
	50
	51	#ifndef _MACH_PPC_EXCEPTION_H_
	52	#define _MACH_PPC_EXCEPTION_H_
	53
	54
	55	/* STATUS - TODO - this is just transcribed from hp stuff */
	56
	57	#define EXC_TYPES_COUNT 10 /* incl. illegal exception 0 */
	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 */
	69
	70	/*
	71	* EXC_BAD_ACCESS
	72	* Note: do not conflict with kern_return_t values returned by vm_fault
	73	*/
	74
	75	#define EXC_PPC_VM_PROT_READ 0x101 /* error reading syscall args */
	76	#define EXC_PPC_BADSPACE 0x102 /* bad space referenced */
	77	#define EXC_PPC_UNALIGNED 0x103 /* unaligned data reference */
	78
	79	/*
	80	* EXC_ARITHMETIC
	81	*/
	82
	83	#define EXC_PPC_OVERFLOW 1 /* integer overflow */
	84	#define EXC_PPC_ZERO_DIVIDE 2 /* integer divide by zero */
	85	#define EXC_PPC_FLT_INEXACT 3 /* IEEE inexact exception */
86	#define EXC_PPC_FLT_ZERO_DIVIDE 4 /* IEEE zero divide */
87	#define EXC_PPC_FLT_UNDERFLOW 5 /* IEEE floating underflow */
88	#define EXC_PPC_FLT_OVERFLOW 6 /* IEEE floating overflow */
89	#define EXC_PPC_FLT_NOT_A_NUMBER 7 /* IEEE not a number */
90
91	/*
92	* EXC_PPC_NOEMULATION should go away when we add software emulation
93	* for floating point. Right now we don't support this.
94	*/
95
96	#define EXC_PPC_NOEMULATION 8 /* no floating point emulation */
97	#define EXC_PPC_ALTIVECASSIST 9 /* Altivec Denorm Assist */
98
99	/*
100	* EXC_SOFTWARE
9bccf70c	101	* Note: 0x10000-0x10003 in use for unix signal
1c79356b A	102	*/
	103	#define EXC_PPC_TRAP 1 /* Program trap */
	104	#define EXC_PPC_MIGRATE 0x10100 /* Time to bolt */
	105
	106
	107	/*
	108	* EXC_BREAKPOINT
	109	*/
	110
	111	#define EXC_PPC_BREAKPOINT EXC_PPC_TRAP /* breakpoint trap */
	112
	113	/*
	114	* machine dependent exception masks
	115	*/
	116	#define EXC_MASK_MACHINE 0
	117
	118	#endif /* _MACH_PPC_EXCEPTION_H_ */