sys/arch/vax/include/scb.h

   1 /*      $NetBSD: scb.h,v 1.11 2000/07/10 09:14:34 ragge Exp $   */
   2
   3 /*
   4  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
   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  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *     This product includes software developed at Ludd, University of Lule}.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 #ifndef _VAX_SCB_H
  33 #define _VAX_SCB_H
  34
  35 /*
  36  * Definition of the System Control Block. More about it can be
  37  * found in the Vax Architecture Reference Manual, section 6.6.
  38  */
  39 struct scb {
  40         void    *scb_unused;    /* First unused vector */
  41         void    *scb_mcheck;
  42         void    *scb_kspinv;
  43         void    *scb_powfail;
  44         void    *scb_privinst;  /* 10 Privileged Instruction fault */
  45         void    *scb_xfcinst;
  46         void    *scb_resop;
  47         void    *scb_resad;
  48         void    *scb_accessv;   /* 20 Access Control violation fault */
  49         void    *scb_transinv;
  50         void    *scb_trace;
  51         void    *scb_breakp;
  52         void    *scb_compat;    /* 30 Compatibility instruction fault */
  53         void    *scb_arith;
  54         void    *scb_unused1;
  55         void    *scb_unused2;
  56         void    *scb_chmk;      /* 40 CHMK */
  57         void    *scb_chme;
  58         void    *scb_chms;
  59         void    *scb_chmu;
  60         void    *scb_sbisilo;   /* 50 SBI Silo compare */
  61         void    *scb_cmrd;
  62         void    *scb_sbialert;
  63         void    *scb_sbifault;
  64         void    *scb_memwtimo;  /* 60 Memory write timeout */
  65         void    *scb_unused3;
  66         void    *scb_unused4;
  67         void    *scb_unused5;
  68         void    *scb_unused6;   /* 70 unused */
  69         void    *scb_unused7;
  70         void    *scb_unused8;
  71         void    *scb_unused9;
  72         void    *scb_unused10;  /* 80 unused */
  73         void    *scb_softint1;
  74         void    *scb_softint2;
  75         void    *scb_softint3;
  76         void    *scb_softint4;  /* 90 Software interrupt level 4 */
  77         void    *scb_softint5;
  78         void    *scb_softint6;
  79         void    *scb_softint7;
  80         void    *scb_softint8;  /* A0 Software interrupt level 8 */
  81         void    *scb_softint9;
  82         void    *scb_softinta;
  83         void    *scb_softintb;
  84         void    *scb_softintc;  /* B0 Software interrupt level C */
  85         void    *scb_softintd;
  86         void    *scb_softinte;
  87         void    *scb_softintf;
  88         void    *scb_timer;     /* C0 Interval timer */
  89         void    *scb_unused11;
  90         void    *scb_unused12;
  91         void    *scb_unused13;
  92         void    *scb_unused14;  /* D0 Unused */
  93         void    *scb_unused15;
  94         void    *scb_unused16;
  95         void    *scb_unused17;
  96         void    *scb_unused18;  /* E0 Unused */
  97         void    *scb_unused19;
  98         void    *scb_unused20;
  99         void    *scb_unused21;
 100         void    *scb_csrint;
 101         void    *scb_cstint;    /* F0 Console storage transmit interrupt */
 102         void    *scb_ctrint;
 103         void    *scb_cttint;
 104         struct  ivec_dsp *scb_nexvec[4][16];    /* Nexus interrupt vectors */
 105 };
 106
 107 #define SCB_KSTACK      0
 108 #define SCB_ISTACK      1
 109
 110 #define vecnum(bus, ipl, tr) (256+(ipl-0x14)*64+tr*4+bus*256)
 111
 112 /*
 113  * This struct is used when setting up interrupt vectors dynamically.
 114  * It put a opaque 32 bit quanity on the stack and also has a placeholder
 115  * for evcnt structure.
 116  */
 117 struct ivec_dsp {
 118         char    pushr;          /* pushr */
 119         char    pushrarg;       /* $0x3f */
 120         char    jsb;
 121         char    mode;
 122         long    displacement;
 123         void    (*hoppaddr)(void *);
 124         void    *pushlarg;
 125         struct  evcnt *ev;
 126 };
 127
 128 #ifdef _KERNEL
 129 extern  const struct ivec_dsp idsptch;
 130 extern  struct scb *scb;
 131 extern  struct ivec_dsp *scb_vec;
 132 extern  struct evcnt devipl_intrcnts[4];        /* IPL 2[0123] */
 133
 134 paddr_t scb_init (paddr_t);
 135 int scb_vecref (int *, int *);
 136 void scb_fake (int, int);
 137 void scb_vecalloc (int, void(*)(void *), void *, int, struct evcnt *);
 138 #endif /* _KERNEL */
 139
 140 #endif /* _VAX_SCB_H */