1 /* $NetBSD: scb.h,v 1.13 2010/12/14 23:29:33 matt 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 33 #ifndef _VAX_SCB_H 34 #define _VAX_SCB_H 35 36 #include <sys/evcnt.h> 37 38 /* 39 * Definition of the System Control Block. More about it can be 40 * found in the Vax Architecture Reference Manual, section 6.6. 41 */ 42 struct scb { 43 void *scb_unused; /* First unused vector */ 44 void *scb_mcheck; 45 void *scb_kspinv; 46 void *scb_powfail; 47 void *scb_privinst; /* 10 Privileged Instruction fault */ 48 void *scb_xfcinst; 49 void *scb_resop; 50 void *scb_resad; 51 void *scb_accessv; /* 20 Access Control violation fault */ 52 void *scb_transinv; 53 void *scb_trace; 54 void *scb_breakp; 55 void *scb_compat; /* 30 Compatibility instruction fault */ 56 void *scb_arith; 57 void *scb_unused1; 58 void *scb_unused2; 59 void *scb_chmk; /* 40 CHMK */ 60 void *scb_chme; 61 void *scb_chms; 62 void *scb_chmu; 63 void *scb_sbisilo; /* 50 SBI Silo compare */ 64 void *scb_cmrd; 65 void *scb_sbialert; 66 void *scb_sbifault; 67 void *scb_memwtimo; /* 60 Memory write timeout */ 68 void *scb_unused3; 69 void *scb_unused4; 70 void *scb_unused5; 71 void *scb_unused6; /* 70 unused */ 72 void *scb_unused7; 73 void *scb_unused8; 74 void *scb_unused9; 75 void *scb_unused10; /* 80 unused */ 76 void *scb_softint1; 77 void *scb_softint2; 78 void *scb_softint3; 79 void *scb_softint4; /* 90 Software interrupt level 4 */ 80 void *scb_softint5; 81 void *scb_softint6; 82 void *scb_softint7; 83 void *scb_softint8; /* A0 Software interrupt level 8 */ 84 void *scb_softint9; 85 void *scb_softinta; 86 void *scb_softintb; 87 void *scb_softintc; /* B0 Software interrupt level C */ 88 void *scb_softintd; 89 void *scb_softinte; 90 void *scb_softintf; 91 void *scb_timer; /* C0 Interval timer */ 92 void *scb_unused11; 93 void *scb_unused12; 94 void *scb_unused13; 95 void *scb_unused14; /* D0 Unused */ 96 void *scb_unused15; 97 void *scb_unused16; 98 void *scb_unused17; 99 void *scb_unused18; /* E0 Unused */ 100 void *scb_unused19; 101 void *scb_unused20; 102 void *scb_unused21; 103 void *scb_csrint; 104 void *scb_cstint; /* F0 Console storage transmit interrupt */ 105 void *scb_ctrint; 106 void *scb_cttint; 107 struct ivec_dsp *scb_nexvec[4][16]; /* Nexus interrupt vectors */ 108 }; 109 110 #define SCB_KSTACK 0 111 #define SCB_ISTACK 1 112 113 #define vecnum(bus, ipl, tr) (256+(ipl-0x14)*64+tr*4+bus*256) 114 115 /* 116 * This struct is used when setting up interrupt vectors dynamically. 117 * It put a opaque 32 bit quanity on the stack and also has a placeholder 118 * for evcnt structure. 119 */ 120 struct ivec_dsp { 121 char pushr; /* pushr */ 122 char pushrarg; /* $0x3f */ 123 char jsb; 124 char mode; 125 long displacement; 126 void (*hoppaddr)(void *); 127 void *pushlarg; 128 struct evcnt *ev; 129 }; 130 131 #ifdef _KERNEL 132 extern const struct ivec_dsp idsptch; 133 extern struct scb *scb; 134 extern struct ivec_dsp *scb_vec; 135 extern struct evcnt devipl_intrcnts[4]; /* IPL 2[0123] */ 136 137 paddr_t scb_init (paddr_t); 138 int scb_vecref (int *, int *); 139 void scb_fake (int, int); 140 void scb_vecalloc (int, void(*)(void *), void *, int, struct evcnt *); 141 #endif /* _KERNEL */ 142 143 #endif /* _VAX_SCB_H */ 144