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Annotation of 43BSDReno/sys/vaxstand/savax.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986, 1988 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:  *     @(#)savax.h     7.5 (Berkeley) 7/9/88
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Standalone definitions peculiar to vaxen:
        !            11:  *
        !            12:  * The mba devices in the standalone system are addressed as
        !            13:  *     type(mba, 0, drive, partition)          (disks)
        !            14:  *     type(mba, formatter, transport, file)   (tapes)
        !            15:  *
        !            16:  * The mbadrv macro gives the address of the device registers
        !            17:  * for the specified unit.
        !            18:  *
        !            19:  * The uba devices in the standalone system are addressed as
        !            20:  *     type(uba, ctlr, drive, partition)       (disks)
        !            21:  *     type(uba, formatter, transport, file)   (tapes)
        !            22:  *
        !            23:  * The ubamem macro converts a specified unibus address (ala pdp-11)
        !            24:  * into a unibus memory address space address.
        !            25:  */
        !            26: 
        !            27: #define        mbadrv(mba, unit)       (&mbamba(mba)->mba_drv[unit])
        !            28: /* compute an I/O page physical address from a 16/18/22-bit bus address */
        !            29: #define        ubamem(uba, off)        (uioaddr[uba] + ubdevreg(off))
        !            30: 
        !            31: #define        mbamba(mba)             (mbaddr[mba])
        !            32: #define        ubauba(uba)             (ubaddr[uba])
        !            33: 
        !            34: #define        MAXNMBA 8
        !            35: #define        MAXNUBA 8
        !            36: #define        MAXNKDB 2
        !            37: 
        !            38: struct mba_regs **mbaddr;
        !            39: int    mbaact;
        !            40: int    nmba;
        !            41: 
        !            42: caddr_t        *uioaddr;
        !            43: struct uba_regs **ubaddr;
        !            44: int    nuba;
        !            45: 
        !            46: #ifdef VAX8200
        !            47: caddr_t        kdbaddr[MAXNKDB];
        !            48: int    nkdb;
        !            49: #endif
        !            50: 
        !            51: int    cpu;                            /* see ../vax/cpu.h */

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