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

/*
 * Copyright (c) 2000 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@
 */
/*
 * @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
 */
#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	*
	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	/*
	23	* @OSF_COPYRIGHT@
	24	*/
	25	/*
	26	* Copyright (c) 1990, 1991, 1992, The University of Utah and
	27	* the Center for Software Science at the University of Utah (CSS).
	28	* All rights reserved.
	29	*
	30	* Permission to use, copy, modify and distribute this software is hereby
	31	* granted provided that (1) source code retains these copyright, permission,
	32	* and disclaimer notices, and (2) redistributions including binaries
	33	* reproduce the notices in supporting documentation, and (3) all advertising
	34	* materials mentioning features or use of this software display the following
	35	* acknowledgement: ``This product includes software developed by the Center
	36	* for Software Science at the University of Utah.''
	37	*
	38	* THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
	39	* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
	40	* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	41	*
	42	* CSS requests users of this software to return to css-dist@cs.utah.edu any
	43	* improvements that they make and grant CSS redistribution rights.
	44	*
	45	* Utah $Hdr: $
	46	*/
	47
	48	#ifndef _MACH_PPC_EXCEPTION_H_
	49	#define _MACH_PPC_EXCEPTION_H_
	50
	51
	52	/* STATUS - TODO - this is just transcribed from hp stuff */
	53
	54	#define EXC_TYPES_COUNT 10 /* incl. illegal exception 0 */
	55
	56	#define EXCEPTION_CODE_MAX 2 /* elements in vector (code+subcode) */
	57	/*
	58	* EXC_BAD_INSTRUCTION
	59	*/
	60
	61	#define EXC_PPC_INVALID_SYSCALL 1 /* invalid syscall number */
	62	#define EXC_PPC_UNIPL_INST 2 /* unimplemented instruction */
	63	#define EXC_PPC_PRIVINST 3 /* priviledged instruction */
	64	#define EXC_PPC_PRIVREG 4 /* priviledged register */
65	#define EXC_PPC_TRACE 5 /* trace/single-step */
66
67	/*
68	* EXC_BAD_ACCESS
69	* Note: do not conflict with kern_return_t values returned by vm_fault
70	*/
71
72	#define EXC_PPC_VM_PROT_READ 0x101 /* error reading syscall args */
73	#define EXC_PPC_BADSPACE 0x102 /* bad space referenced */
74	#define EXC_PPC_UNALIGNED 0x103 /* unaligned data reference */
75
76	/*
77	* EXC_ARITHMETIC
78	*/
79
80	#define EXC_PPC_OVERFLOW 1 /* integer overflow */
81	#define EXC_PPC_ZERO_DIVIDE 2 /* integer divide by zero */
82	#define EXC_PPC_FLT_INEXACT 3 /* IEEE inexact exception */
83	#define EXC_PPC_FLT_ZERO_DIVIDE 4 /* IEEE zero divide */
84	#define EXC_PPC_FLT_UNDERFLOW 5 /* IEEE floating underflow */
85	#define EXC_PPC_FLT_OVERFLOW 6 /* IEEE floating overflow */
86	#define EXC_PPC_FLT_NOT_A_NUMBER 7 /* IEEE not a number */
87
88	/*
89	* EXC_PPC_NOEMULATION should go away when we add software emulation
90	* for floating point. Right now we don't support this.
91	*/
92
93	#define EXC_PPC_NOEMULATION 8 /* no floating point emulation */
94	#define EXC_PPC_ALTIVECASSIST 9 /* Altivec Denorm Assist */
95
96	/*
97	* EXC_SOFTWARE
98	*/
99	#define EXC_PPC_TRAP 1 /* Program trap */
100	#define EXC_PPC_MIGRATE 0x10100 /* Time to bolt */
101
102
103	/*
104	* EXC_BREAKPOINT
105	*/
106
107	#define EXC_PPC_BREAKPOINT EXC_PPC_TRAP /* breakpoint trap */
108
109	/*
110	* machine dependent exception masks
111	*/
112	#define EXC_MASK_MACHINE 0
113
114	#endif /* _MACH_PPC_EXCEPTION_H_ */