1 /* $OpenBSD: trap.h,v 1.12 2005/05/26 04:34:52 kettenis Exp $ */ 2 3 /* 4 * Copyright (c) 1999-2004 Michael Shalayeff 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _MACHINE_TRAP_H_ 30 #define _MACHINE_TRAP_H_ 31 32 /* 33 * This is PA-RISC trap types per 1.1 specs, see .c files for references. 34 */ 35 #define T_NONEXIST 0 /* invalid interrupt vector */ 36 #define T_HPMC 1 /* high priority machine check */ 37 #define T_POWERFAIL 2 /* power failure */ 38 #define T_RECOVERY 3 /* recovery counter */ 39 #define T_INTERRUPT 4 /* external interrupt */ 40 #define T_LPMC 5 /* low-priority machine check */ 41 #define T_ITLBMISS 6 /* instruction TLB miss fault */ 42 #define T_IPROT 7 /* instruction protection */ 43 #define T_ILLEGAL 8 /* Illegal instruction */ 44 #define T_IBREAK 9 /* break instruction */ 45 #define T_PRIV_OP 10 /* privileged operation */ 46 #define T_PRIV_REG 11 /* privileged register */ 47 #define T_OVERFLOW 12 /* overflow */ 48 #define T_CONDITION 13 /* conditional */ 49 #define T_EXCEPTION 14 /* assist exception */ 50 #define T_DTLBMISS 15 /* data TLB miss */ 51 #define T_ITLBMISSNA 16 /* ITLB non-access miss */ 52 #define T_DTLBMISSNA 17 /* DTLB non-access miss */ 53 #define T_DPROT 18 /* data protection/rights/alignment <7100 */ 54 #define T_DBREAK 19 /* data break */ 55 #define T_TLB_DIRTY 20 /* TLB dirty bit */ 56 #define T_PAGEREF 21 /* page reference */ 57 #define T_EMULATION 22 /* assist emulation */ 58 #define T_HIGHERPL 23 /* higher-privelege transfer */ 59 #define T_LOWERPL 24 /* lower-privilege transfer */ 60 #define T_TAKENBR 25 /* taken branch */ 61 #define T_DATACC 26 /* data access rights >=7100 */ 62 #define T_DATAPID 27 /* data protection ID >=7100 */ 63 #define T_DATALIGN 28 /* unaligned data ref */ 64 #define T_PERFMON 29 /* performance monitor interrupt */ 65 #define T_IDEBUG 30 /* debug SFU interrupt */ 66 #define T_DDEBUG 31 /* debug SFU interrupt */ 67 68 /* 69 * Reserved range for traps is 0-63, place user flag at 6th bit 70 */ 71 #define T_USER_POS 25 72 #define T_USER (1 << (31 - T_USER_POS)) 73 74 /* 75 * Various trap frame flags. 76 */ 77 #define TFF_LAST_POS 0 78 #define TFF_ITLB_POS 1 79 #define TFF_SYS_POS 2 80 #define TFF_INTR_POS 3 81 82 #define TFF_LAST (1 << (31 - TFF_LAST_POS)) 83 #define TFF_ITLB (1 << (31 - TFF_ITLB_POS)) 84 #define TFF_SYS (1 << (31 - TFF_SYS_POS)) 85 #define TFF_INTR (1 << (31 - TFF_INTR_POS)) 86 87 /* 88 * Define this for pretty printings of trapflags. 89 */ 90 #define T_BITS "\020\07user\036intr\037itlb\040last" 91 92 /* 93 * These are break instruction entry points. 94 */ 95 /* im5 */ 96 #define HPPA_BREAK_KERNEL 0 97 /* im13 */ 98 #define HPPA_BREAK_SS 4 99 #define HPPA_BREAK_KGDB 5 100 #define HPPA_BREAK_GET_PSW 9 101 #define HPPA_BREAK_SET_PSW 10 102 #define HPPA_BREAK_SPLLOWER 11 103 104 /* 105 * break instruction decoding. 106 */ 107 #define break5(i) ((i) & 0x1f) 108 #define break13(i) (((i) >> 13) & 0x1fff) 109 110 #endif /* _MACHINE_TRAP_H_ */ 111