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/*- * 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. * * $NetBSD: trap.h,v 1.7 2002/02/22 13:51:40 kleink Exp $ * $FreeBSD: release/9.1.0/sys/powerpc/include/trap_aim.h 236511 2012-06-03 11:54:26Z marius $ */ #ifndef _POWERPC_TRAP_H_ #define _POWERPC_TRAP_H_ #define EXC_RSVD 0x0000 /* Reserved */ #define EXC_RST 0x0100 /* Reset; all but IBM4xx */ #define EXC_MCHK 0x0200 /* Machine Check */ #define EXC_DSI 0x0300 /* Data Storage Interrupt */ #define EXC_DSE 0x0380 /* Data Segment Interrupt */ #define EXC_ISI 0x0400 /* Instruction Storage Interrupt */ #define EXC_ISE 0x0480 /* Instruction Segment Interrupt */ #define EXC_EXI 0x0500 /* External Interrupt */ #define EXC_ALI 0x0600 /* Alignment Interrupt */ #define EXC_PGM 0x0700 /* Program Interrupt */ #define EXC_FPU 0x0800 /* Floating-point Unavailable */ #define EXC_DECR 0x0900 /* Decrementer Interrupt */ #define EXC_SC 0x0c00 /* System Call */ #define EXC_TRC 0x0d00 /* Trace */ #define EXC_FPA 0x0e00 /* Floating-point Assist */ /* The following is only available on the 601: */ #define EXC_RUNMODETRC 0x2000 /* Run Mode/Trace Exception */ /* The following are only available on 970(G5): */ #define EXC_VECAST_G5 0x1700 /* AltiVec Assist */ /* The following are only available on 7400(G4): */ #define EXC_VEC 0x0f20 /* AltiVec Unavailable */ #define EXC_VECAST_G4 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 Managment 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 available on 4xx and 85xx */ #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 */ #define EXC_LAST 0x2f00 /* Last possible exception vector */ #define EXC_AST 0x3000 /* Fake AST vector */ /* Trap was in user mode */ #define EXC_USER 0x10000 /* * 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". */ #define EXC_ALI_OPCODE_INDICATOR(dsisr) ((dsisr >> 10) & 0x7f) #define EXC_ALI_LFD 0x09 #define EXC_ALI_STFD 0x0b /* Macros to extract register information */ #define EXC_ALI_RST(dsisr) ((dsisr >> 5) & 0x1f) /* source or target */ #define EXC_ALI_RA(dsisr) (dsisr & 0x1f) /* * SRR1 bits for program exception traps. These identify what caused * the program exception. See section 6.5.9 of the Power ISA Version * 2.05. */ #define EXC_PGM_FPENABLED (1UL << 20) #define EXC_PGM_ILLEGAL (1UL << 19) #define EXC_PGM_PRIV (1UL << 18) #define EXC_PGM_TRAP (1UL << 17) #ifndef LOCORE struct trapframe; void trap(struct trapframe *); #endif #endif /* _POWERPC_TRAP_H_ */