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Annotation of XNU/osfmk/mach/ppc/exception.h, revision 1.1

1.1     ! root        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 [email protected] 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_ */

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