141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/* $NetBSD: scb.h,v 1.10 2000/06/05 00:09:19 matt Exp $ */
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/*
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* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of Lule}.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VAX_SCB_H
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#define _VAX_SCB_H
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/*
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* Definition of the System Control Block. More about it can be
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* found in the Vax Architecture Reference Manual, section 6.6.
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*/
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struct scb {
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void *scb_unused; /* First unused vector */
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void *scb_mcheck;
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void *scb_kspinv;
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void *scb_powfail;
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void *scb_privinst; /* 10 Privileged Instruction fault */
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void *scb_xfcinst;
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void *scb_resop;
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void *scb_resad;
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void *scb_accessv; /* 20 Access Control violation fault */
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void *scb_transinv;
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void *scb_trace;
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void *scb_breakp;
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void *scb_compat; /* 30 Compatibility instruction fault */
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void *scb_arith;
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void *scb_unused1;
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void *scb_unused2;
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void *scb_chmk; /* 40 CHMK */
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void *scb_chme;
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void *scb_chms;
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void *scb_chmu;
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void *scb_sbisilo; /* 50 SBI Silo compare */
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void *scb_cmrd;
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void *scb_sbialert;
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void *scb_sbifault;
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void *scb_memwtimo; /* 60 Memory write timeout */
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void *scb_unused3;
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void *scb_unused4;
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void *scb_unused5;
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void *scb_unused6; /* 70 unused */
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void *scb_unused7;
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void *scb_unused8;
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void *scb_unused9;
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void *scb_unused10; /* 80 unused */
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void *scb_softint1;
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void *scb_softint2;
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void *scb_softint3;
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void *scb_softint4; /* 90 Software interrupt level 4 */
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void *scb_softint5;
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void *scb_softint6;
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void *scb_softint7;
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void *scb_softint8; /* A0 Software interrupt level 8 */
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void *scb_softint9;
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void *scb_softinta;
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void *scb_softintb;
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void *scb_softintc; /* B0 Software interrupt level C */
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void *scb_softintd;
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void *scb_softinte;
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void *scb_softintf;
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void *scb_timer; /* C0 Interval timer */
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void *scb_unused11;
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void *scb_unused12;
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void *scb_unused13;
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void *scb_unused14; /* D0 Unused */
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void *scb_unused15;
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void *scb_unused16;
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void *scb_unused17;
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void *scb_unused18; /* E0 Unused */
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void *scb_unused19;
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void *scb_unused20;
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void *scb_unused21;
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void *scb_csrint;
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void *scb_cstint; /* F0 Console storage transmit interrupt */
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void *scb_ctrint;
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void *scb_cttint;
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struct ivec_dsp *scb_nexvec[4][16]; /* Nexus interrupt vectors */
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};
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#define SCB_KSTACK 0
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#define SCB_ISTACK 1
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#define vecnum(bus, ipl, tr) (256+(ipl-14)*64+tr*4+bus*256)
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/*
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* This struct is used when setting up interrupt vectors dynamically.
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* It put a opaque 32 bit quanity on the stack and also has a placeholder
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* for evcnt structure.
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*/
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struct ivec_dsp {
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char pushr; /* pushr */
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char pushrarg; /* $0x3f */
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char jsb;
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char mode;
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long displacement;
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void (*hoppaddr)(void *);
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void *pushlarg;
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struct evcnt *ev;
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};
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#ifdef _KERNEL
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extern const struct ivec_dsp idsptch;
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extern struct scb *scb;
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extern struct ivec_dsp *scb_vec;
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extern struct evcnt devipl_intrcnts[4]; /* IPL 2[0123] */
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extern paddr_t scb_init (paddr_t);
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extern int scb_vecref (int *, int *);
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extern void scb_fake (int, int);
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extern void scb_vecalloc (int, void(*)(void *), void *, int, struct evcnt *);
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#endif /* _KERNEL */
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#endif /* _VAX_SCB_H */
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