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Annotation of researchv9/sys/sun3/scb.h, revision 1.1.1.1

1.1       root        1: /*     @(#)scb.h 1.1 86/02/03 SMI      */
                      2: 
                      3: /*
                      4:  * Copyright (c) 1985 by Sun Microsystems, Inc.
                      5:  */
                      6: 
                      7: /*
                      8:  * Sun System control block layout
                      9:  * [] denoted 68020 particulars
                     10:  */
                     11: 
                     12: struct scb {
                     13:        int     scb_issp;               /* 00 - initial SSP */
                     14:        int     (*scb_ipc)();           /* 04 - initial PC */
                     15:        int     (*scb_buserr)();        /* 08 - bus error */
                     16:        int     (*scb_addrerr)();       /* 0c - address error */
                     17:        int     (*scb_illinst)();       /* 10 - illegal instruction */
                     18:        int     (*scb_zerodiv)();       /* 14 - zero divide */
                     19:        int     (*scb_chk)();           /* 18 - CHK [CHK2] instruction */
                     20:        int     (*scb_trapv)();         /* 1c - TRAPV [cpTRAPcc TRAPcc] instr */
                     21:        int     (*scb_priv)();          /* 20 - privilege violation */
                     22:        int     (*scb_trace)();         /* 24 - trace trap */
                     23:        int     (*scb_e1010)();         /* 28 - line 1010 emulator */
                     24:        int     (*scb_e1111)();         /* 2c - line 1111 emulator */
                     25:        int     (*scb_res30)();         /* 30 - reserved */
                     26:        int     (*scb_coprocerr)();     /* 34 - [coprocessor protocol error] */
                     27:        int     (*scb_fmterr)();        /* 38 - RTE format error */
                     28:        int     (*scb_uninit)();        /* 3c - uninitialized interrupt */
                     29:        int     (*scb_res1[8])();       /* 40-5c - reserved */
                     30:        int     (*scb_stray)();         /* 60 - spurious interrupt */
                     31:        int     (*scb_autovec[7])();    /* 64-7c - level 1-7 autovectors */
                     32:        int     (*scb_trap[16])();      /* 80-bc - trap instruction vectors */
                     33:        int     (*scb_res2[16])();      /* c0-fc - reserved */
                     34:        int     (*scb_user[192])();     /* 100-3fc - user interrupt vectors */
                     35: };
                     36: 
                     37: #define        AUTOBASE (0x60 / sizeof (int))  /* autovector base vector number */
                     38: #define        VEC_MIN (0x100 / sizeof (int))  /* minimum vectored interrupt number */
                     39: #define        VEC_MAX (0x3fc / sizeof (int))  /* maximum vectored interrupt number */
                     40: 
                     41: #ifdef KERNEL
                     42: extern struct scb scb, protoscb;
                     43: #endif

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