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Annotation of 43BSDReno/sys/vaxstand/savax.h, revision 1.1.1.1

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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