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Annotation of sys/arch/hppa/include/trap.h, Revision 1.1.1.1

1.1       nbrk        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_ */