/* $NetBSD: trap.h,v 1.14 2020/07/06 09:34:17 rin Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* The following are only available on the 601: */
#define EXC_IOC 0x0a00 /* I/O Controller Interface Exception */
#define EXC_RUNMODETRC 0x2000 /* Run Mode/Trace Exception */
/* The following are only available on 7400(G4): */
#define EXC_VEC 0x0f20 /* AltiVec Unavailable */
#define EXC_VECAST 0x1600 /* AltiVec Assist */
/* The following are only available on 604/750/7400: */
#define EXC_PERF 0x0f00 /* Performance Monitoring */
#define EXC_BPT 0x1300 /* Instruction Breakpoint */
#define EXC_SMI 0x1400 /* System Management Interrupt */
/* The following are only available on 750/7400: */
#define EXC_THRM 0x1700 /* Thermal Management Interrupt */
/* And these are only on the 603: */
#define EXC_IMISS 0x1000 /* Instruction translation miss */
#define EXC_DLMISS 0x1100 /* Data load translation miss */
#define EXC_DSMISS 0x1200 /* Data store translation miss */
/* The following are only available on 405 (and 403?) */
#define EXC_CII 0x0100 /* Critical Input Interrupt */
#define EXC_PIT 0x1000 /* Programmable Interval Timer */
#define EXC_FIT 0x1010 /* Fixed Interval Timer */
#define EXC_WDOG 0x1020 /* Watchdog Timer */
#define EXC_DTMISS 0x1100 /* Data TLB Miss */
#define EXC_ITMISS 0x1200 /* Instruction TLB Miss */
#define EXC_DEBUG 0x2000 /* Debug trap */
/* The following are only available on mpc8xx */
#define EXC_SWEMUL 0x1000 /* Software Emulation */
#define EXC_ITMISS_8XX 0x1100 /* Instruction TLB Miss */
#define EXC_DTMISS_8XX 0x1200 /* Data TLB Miss */
#define EXC_ITERROR 0x1300 /* Instruction TLB Error */
#define EXC_DTERROR 0x1400 /* Data TLB Error */
#define EXC_DBREAK 0x1c00 /* data breakpoint */
#define EXC_IBREAK 0x1d00 /* instructin breakpoint */
/* The following are only present on 64 bit PPC implementations */
#define EXC_DSEG 0x380
#define EXC_ISEG 0x480
/* The IBM 970x define the VMX assist exection to be 0x1700 */
#define EXC_970_VECAST 0x1700
#define EXC_LAST 0x2f00 /* Last possible exception vector */
#define EXC_AST 0x3000 /* Fake AST vector */
/* Trap was in user mode */
#define EXC_USER 0x10000
/* Exception vector base address when MSR[IP] is set */
#define EXC_HIGHVEC 0xfff00000
/*
* EXC_ALI sets bits in the DSISR and DAR to provide enough
* information to recover from the unaligned access without needing to
* parse the offending instruction. This includes certain bits of the
* opcode, and information about what registers are used. The opcode
* indicator values below come from Appendix F of Book III of "The
* PowerPC Architecture".
*/
