1 /* $NetBSD: trap.h,v 1.5 2021/09/06 21:56:03 andvar Exp $ */ 2 3 /* $OpenBSD: trap.h,v 1.8 2000/02/10 20:05:39 mickey Exp $ */ 4 5 /* 6 * Copyright (c) 1999-2004 Michael Shalayeff 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef _HPPA_TRAP_H_ 32 #define _HPPA_TRAP_H_ 33 34 /* 35 * This is PA-RISC trap types per 1.1 specs, see .c files for references. 36 */ 37 #define T_NONEXIST 0 /* invalid interrupt vector */ 38 #define T_HPMC 1 /* high priority machine check */ 39 #define T_POWERFAIL 2 /* power failure */ 40 #define T_RECOVERY 3 /* recovery counter */ 41 #define T_INTERRUPT 4 /* external interrupt */ 42 #define T_LPMC 5 /* low-priority machine check */ 43 #define T_ITLBMISS 6 /* instruction TLB miss fault */ 44 #define T_IPROT 7 /* instruction protection */ 45 #define T_ILLEGAL 8 /* Illegal instruction */ 46 #define T_IBREAK 9 /* break instruction */ 47 #define T_PRIV_OP 10 /* privileged operation */ 48 #define T_PRIV_REG 11 /* privileged register */ 49 #define T_OVERFLOW 12 /* overflow */ 50 #define T_CONDITION 13 /* conditional */ 51 #define T_EXCEPTION 14 /* assist exception */ 52 #define T_DTLBMISS 15 /* data TLB miss */ 53 #define T_ITLBMISSNA 16 /* ITLB non-access miss */ 54 #define T_DTLBMISSNA 17 /* DTLB non-access miss */ 55 #define T_DPROT 18 /* data protection/rights/alignment <7100 */ 56 #define T_DBREAK 19 /* data memory break */ 57 #define T_TLB_DIRTY 20 /* TLB dirty bit */ 58 #define T_PAGEREF 21 /* page reference */ 59 #define T_EMULATION 22 /* assist emulation */ 60 #define T_HIGHERPL 23 /* higher-privilege transfer */ 61 #define T_LOWERPL 24 /* lower-privilege transfer */ 62 #define T_TAKENBR 25 /* taken branch */ 63 #define T_DATACC 26 /* data access rights >=7100 */ 64 #define T_DATAPID 27 /* data protection ID >=7100 */ 65 #define T_DATALIGN 28 /* unaligned data ref */ 66 #define T_PERFMON 29 /* performance monitor interrupt */ 67 #define T_IDEBUG 30 /* debug SFU interrupt */ 68 #define T_DDEBUG 31 /* debug SFU interrupt */ 69 70 /* 71 * Reserved range for traps is 0-63, place user flag at 6th bit 72 */ 73 #define T_USER_POS 25 74 #define T_USER (1 << (31 - T_USER_POS)) 75 76 /* 77 * Various trap frame flags. 78 */ 79 #define TFF_LAST_POS 0 80 #define TFF_ITLB_POS 1 81 #define TFF_SYS_POS 2 82 #define TFF_INTR_POS 3 83 84 #define TFF_LAST (1 << (31 - TFF_LAST_POS)) 85 #define TFF_ITLB (1 << (31 - TFF_ITLB_POS)) 86 #define TFF_SYS (1 << (31 - TFF_SYS_POS)) 87 #define TFF_INTR (1 << (31 - TFF_INTR_POS)) 88 89 /* 90 * Define this for pretty printings of trapflags. 91 */ 92 #define T_BITS "\020\07user\036intr\037itlb\040last" 93 94 /* 95 * These are break instruction entry points. 96 */ 97 /* im5 */ 98 #define HPPA_BREAK_KERNEL 0 99 /* im13 */ 100 #define HPPA_BREAK_SS 4 101 #define HPPA_BREAK_KGDB 5 102 #define HPPA_BREAK_GET_PSW 9 103 #define HPPA_BREAK_SET_PSW 10 104 105 /* 106 * break instruction decoding. 107 */ 108 #define break5(i) ((i) & 0x1f) 109 #define break13(i) (((i) >> 13) & 0x1fff) 110 111 #endif /* _HPPA_TRAP_H_ */ 112 113