1 /* $NetBSD: trap.h,v 1.2 2007/12/22 14:11:10 skrll Exp $ */ 2 3 /* $OpenBSD: trap.h,v 1.8 2000/02/10 20:05:39 mickey Exp $ */ 4 5 /* 6 * Copyright (c) 1999 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 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Michael Shalayeff. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 32 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 33 * THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _HPPA_TRAP_H_ 37 #define _HPPA_TRAP_H_ 38 39 /* 40 * This is PA-RISC trap types per 1.1 specs, see .c files for references. 41 */ 42 #define T_NONEXIST 0 /* invalid interrupt vector */ 43 #define T_HPMC 1 /* high priority machine check */ 44 #define T_POWERFAIL 2 /* power failure */ 45 #define T_RECOVERY 3 /* recovery counter */ 46 #define T_INTERRUPT 4 /* external interrupt */ 47 #define T_LPMC 5 /* low-priority machine check */ 48 #define T_ITLBMISS 6 /* instruction TLB miss fault */ 49 #define T_IPROT 7 /* instruction protection */ 50 #define T_ILLEGAL 8 /* Illegal instruction */ 51 #define T_IBREAK 9 /* break instruction */ 52 #define T_PRIV_OP 10 /* privileged operation */ 53 #define T_PRIV_REG 11 /* privileged register */ 54 #define T_OVERFLOW 12 /* overflow */ 55 #define T_CONDITION 13 /* conditional */ 56 #define T_EXCEPTION 14 /* assist exception */ 57 #define T_DTLBMISS 15 /* data TLB miss */ 58 #define T_ITLBMISSNA 16 /* ITLB non-access miss */ 59 #define T_DTLBMISSNA 17 /* DTLB non-access miss */ 60 #define T_DPROT 18 /* data protection/rights/alignment <7100 */ 61 #define T_DBREAK 19 /* data break */ 62 #define T_TLB_DIRTY 20 /* TLB dirty bit */ 63 #define T_PAGEREF 21 /* page reference */ 64 #define T_EMULATION 22 /* assist emulation */ 65 #define T_HIGHERPL 23 /* higher-privelege transfer */ 66 #define T_LOWERPL 24 /* lower-privilege transfer */ 67 #define T_TAKENBR 25 /* taken branch */ 68 #define T_DATACC 26 /* data access rights >=7100 */ 69 #define T_DATAPID 27 /* data protection ID >=7100 */ 70 #define T_DATALIGN 28 /* unaligned data ref */ 71 #define T_PERFMON 29 /* performance monitor interrupt */ 72 #define T_IDEBUG 30 /* debug SFU interrupt */ 73 #define T_DDEBUG 31 /* debug SFU interrupt */ 74 75 /* 76 * Reserved range for traps is 0-63, place user flag at 6th bit 77 */ 78 #define T_USER_POS 25 79 #define T_USER (1 << (31 - T_USER_POS)) 80 81 /* 82 * Various trap frame flags. 83 */ 84 #define TFF_LAST_POS 0 85 #define TFF_ITLB_POS 1 86 #define TFF_SYS_POS 2 87 #define TFF_INTR_POS 3 88 89 #define TFF_LAST (1 << (31 - TFF_LAST_POS)) 90 #define TFF_ITLB (1 << (31 - TFF_ITLB_POS)) 91 #define TFF_SYS (1 << (31 - TFF_SYS_POS)) 92 #define TFF_INTR (1 << (31 - TFF_INTR_POS)) 93 94 /* 95 * Define this for pretty printings of trapflags. 96 */ 97 #define T_BITS "\020\07user\036intr\037itlb\040last" 98 99 /* 100 * These are break instruction entry points. 101 */ 102 /* im5 */ 103 #define HPPA_BREAK_KERNEL 0 104 /* im13 */ 105 #define HPPA_BREAK_SS 4 106 #define HPPA_BREAK_KGDB 5 107 #define HPPA_BREAK_GET_PSW 9 108 #define HPPA_BREAK_SET_PSW 10 109 110 /* 111 * break instruction decoding. 112 */ 113 #define break5(i) ((i) & 0x1f) 114 #define break13(i) (((i) >> 13) & 0x1fff) 115 116 #endif /* _HPPA_TRAP_H_ */ 117 118