/* $NetBSD: trap.h,v 1.13 2014/03/03 15:36:36 macallan 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. */ #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_ISI 0x0400 /* Instruction Storage 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 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". */ #define EXC_ALI_OPCODE_INDICATOR(dsisr) ((dsisr >> 10) & 0x7f) #define EXC_ALI_LWARX_LWZ 0x00 #define EXC_ALI_LDARX 0x01 #define EXC_ALI_STW 0x02 #define EXC_ALI_LHZ 0x04 #define EXC_ALI_LHA 0x05 #define EXC_ALI_STH 0x06 #define EXC_ALI_LMW 0x07 #define EXC_ALI_LFS 0x08 #define EXC_ALI_LFD 0x09 #define EXC_ALI_STFS 0x0a #define EXC_ALI_STFD 0x0b #define EXC_ALI_LD_LDU_LWA 0x0d #define EXC_ALI_STD_STDU 0x0f #define EXC_ALI_LWZU 0x10 #define EXC_ALI_STWU 0x12 #define EXC_ALI_LHZU 0x14 #define EXC_ALI_LHAU 0x15 #define EXC_ALI_STHU 0x16 #define EXC_ALI_STMW 0x17 #define EXC_ALI_LFSU 0x18 #define EXC_ALI_LFDU 0x19 #define EXC_ALI_STFSU 0x1a #define EXC_ALI_STFDU 0x1b #define EXC_ALI_LDX 0x20 #define EXC_ALI_STDX 0x22 #define EXC_ALI_LWAX 0x25 #define EXC_ALI_LSWX 0x28 #define EXC_ALI_LSWI 0x29 #define EXC_ALI_STSWX 0x2a #define EXC_ALI_STSWI 0x2b #define EXC_ALI_LDUX 0x30 #define EXC_ALI_STDUX 0x32 #define EXC_ALI_LWAUX 0x35 #define EXC_ALI_STWCX 0x42 /* stwcx. */ #define EXC_ALI_STDCX 0x43 /* stdcx. */ #define EXC_ALI_LWBRX 0x48 #define EXC_ALI_STWBRX 0x4a #define EXC_ALI_LHBRX 0x4c #define EXC_ALI_STHBRX 0x4e #define EXC_ALI_ECIWX 0x54 #define EXC_ALI_ECOWX 0x56 #define EXC_ALI_DCBZ 0x5f #define EXC_ALI_LWZX 0x60 #define EXC_ALI_STWX 0x62 #define EXC_ALI_LHZX 0x64 #define EXC_ALI_LHAX 0x65 #define EXC_ALI_STHX 0x66 #define EXC_ALI_LSFX 0x68 #define EXC_ALI_LDFX 0x69 #define EXC_ALI_STFSX 0x6a #define EXC_ALI_STFDX 0x6b #define EXC_ALI_STFIWX 0x6f #define EXC_ALI_LWZUX 0x70 #define EXC_ALI_STWUX 0x72 #define EXC_ALI_LHZUX 0x74 #define EXC_ALI_LHAUX 0x75 #define EXC_ALI_STHUX 0x76 #define EXC_ALI_LFSUX 0x78 #define EXC_ALI_LFDUX 0x79 #define EXC_ALI_STFSUX 0x7a #define EXC_ALI_STFDUX 0x7b /* Macros to extract register information */ #define EXC_ALI_RST(dsisr) ((dsisr >> 5) & 0x1f) /* source or target */ #define EXC_ALI_RA(dsisr) (dsisr & 0x1f) /* Helper defines to classify EXC_ALI_ */ #define DSI_OP_ZERO 0x0001 #define DSI_OP_UPDATE 0x0002 #define DSI_OP_INDEXED 0x0004 #define DSI_OP_ALGEBRAIC 0x0008 #define DSI_OP_REVERSED 0x0010 #endif /* _POWERPC_TRAP_H_ */