1 /* 2 * Copyright (c) 1982, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)scb.h 7.2 (Berkeley) 05/07/88 7 */ 8 9 /* 10 * VAX System control block layout 11 */ 12 13 struct scb { 14 int (*scb_passiverel)(); /* BI passive release */ 15 int (*scb_machchk)(); /* machine chack */ 16 int (*scb_kspinval)(); /* KSP invalid */ 17 int (*scb_powfail)(); /* power fail */ 18 int (*scb_resinstr)(); /* reserved instruction */ 19 int (*scb_custinst)(); /* XFC instr */ 20 int (*scb_resopnd)(); /* reserved operand */ 21 int (*scb_resaddr)(); /* reserved addr mode */ 22 int (*scb_acv)(); /* access control violation */ 23 int (*scb_tnv)(); /* translation not valid */ 24 int (*scb_tracep)(); /* trace pending */ 25 int (*scb_bpt)(); /* breakpoint instr */ 26 int (*scb_compat)(); /* compatibility mode fault */ 27 int (*scb_arith)(); /* arithmetic fault */ 28 int (*scb_stray2)(); 29 int (*scb_stray3)(); 30 int (*scb_chmk)(); /* CHMK instr */ 31 int (*scb_chme)(); /* CHME instr */ 32 int (*scb_chms)(); /* CHMS instr */ 33 int (*scb_chmu)(); /* CHMU instr */ 34 int (*scb_sbisilo)(); /* SBI silo compare */ 35 #define scb_bierr scb_sbisilo /*=BI error (8200) */ 36 int (*scb_cmrd)(); /* corrected mem read data */ 37 int (*scb_sbialert)(); /* SBI alert */ 38 int (*scb_sbifault)(); /* SBI fault */ 39 int (*scb_wtime)(); /* memory write timeout */ 40 #define scb_sbierr scb_wtime /*=SBI error (8600) */ 41 int (*scb_sbifail)(); /* SBI fail (8600) */ 42 int (*scb_stray4[7])(); 43 int (*scb_soft[15])(); /* software interrupt */ 44 int (*scb_timer)(); /* interval timer interrupt */ 45 int (*scb_stray5)(); 46 int (*scb_cn1rint)(); /* console terminal 1 rcv (8200) */ 47 int (*scb_cn1xint)(); /* console terminal 1 xmt (8200) */ 48 int (*scb_cn2rint)(); /* console 2 rcv (8200) */ 49 int (*scb_cn2xint)(); /* console 2 xmt (8200) */ 50 int (*scb_cn3rint)(); /* console 3 rcv (8200) */ 51 int (*scb_cn3xint)(); /* console 3 xmt (8200) */ 52 int (*scb_stray6[4])(); 53 int (*scb_csdr)(); /* console storage receive */ 54 int (*scb_csdx)(); /* console storage transmit */ 55 int (*scb_ctr)(); /* console terminal receive */ 56 int (*scb_ctx)(); /* console terminal transmit */ 57 int (*scb_ipl14[16])(); /* device interrupts IPL 14 */ 58 int (*scb_ipl15[16])(); /* " " IPL 15 */ 59 int (*scb_ipl16[16])(); /* " " IPL 16 */ 60 int (*scb_ipl17[16])(); /* " " IPL 17 */ 61 /* 62 * On the 8600, this is followed by a second copy of the SCB. 63 * On the 750, this is followed by 128 uba0 device interrupts, 64 * then 128 uba1 device interrupts. 65 */ 66 }; 67 68 #ifdef KERNEL 69 extern struct scb scb[]; 70 #endif 71 72 #define scbentry(f, how) ((int (*)())(((int)f)+how)) 73 74 #define SCB_KSTACK 0 75 #define SCB_ISTACK 1 76 #define SCB_WCS 2 77 #define SCB_HALT 3 78