/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_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, 
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/*
 * @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
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 * for Software Science at the University of Utah.''
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 * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
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 *
 * 	Utah $Hdr: $
 */

#ifndef	_MACH_PPC_EXCEPTION_H_
#define _MACH_PPC_EXCEPTION_H_

#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 */
#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_ */
