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Annotation of 43BSDTahoe/sys/vaxstand/upmaptype.c, revision 1.1

1.1     ! root        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:  *     @(#)upmaptype.c 7.4 (Berkeley) 5/27/88
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * UNIBUS peripheral standalone
        !            11:  * driver: drive type mapping routine.
        !            12:  */
        !            13: #ifdef COMPAT_42
        !            14: #include "param.h" 
        !            15: #include "inode.h"
        !            16: #include "fs.h"
        !            17: #include "dkbad.h"
        !            18: #include "disklabel.h"
        !            19: #include "vmmac.h"
        !            20: 
        !            21: #include "../vax/pte.h"
        !            22: #include "../vaxuba/upreg.h"
        !            23: #include "../vaxuba/ubareg.h"
        !            24: 
        !            25: #include "saio.h"
        !            26: #include "savax.h"
        !            27: 
        !            28: static short   up9300_off[] = { 0,  27,  0,  -1,  -1,  -1, 562, 82 };
        !            29: static short   fj_off[]     = { 0,  50,  0,  -1,  -1,  -1, 155, -1 };
        !            30: static short   upam_off[]   = { 0,  32,  0, 668, 723, 778, 668, 98 };
        !            31: static short   up980_off[]  = { 0, 100,  0,  -1,  -1,  -1, 309, -1 };
        !            32: static short   eagle_off[]  = { 0,  17,  0, 391, 408, 728, 391, 87 };
        !            33: 
        !            34: struct st upst[] = {
        !            35:        32,     19,     32*19,  815,    up9300_off,     /* 9300 */
        !            36:        32,     19,     32*19,  823,    up9300_off,     /* 9766 */
        !            37:        32,     10,     32*10,  823,    fj_off,         /* Fuji 160 */
        !            38:        32,     16,     32*16,  1024,   upam_off,       /* Capricorn */
        !            39:        32,     5,      32*5,   823,    up980_off,      /* DM980 */
        !            40:        48,     20,     48*20,  842,    eagle_off,      /* Fuji Eagle */
        !            41:        0,      0,      0,      0,      0,
        !            42: };
        !            43: 
        !            44: upmaptype(unit, upaddr, lp)
        !            45:        int unit;
        !            46:        register struct updevice *upaddr;
        !            47:        register struct disklabel *lp;
        !            48: {
        !            49:        register struct st *st;
        !            50:        register int i;
        !            51:        int type = -1;
        !            52: 
        !            53:        upaddr->upcs1 = 0;
        !            54:        upaddr->upcs2 = unit % 8;
        !            55:        upaddr->uphr = UPHR_MAXTRAK;
        !            56:        for (st = upst;; ++st) {
        !            57:                if (!st->ntrak)
        !            58:                        return(0);
        !            59:                if (upaddr->uphr == st->ntrak - 1) {
        !            60:                        type = st - upst;
        !            61:                        break;
        !            62:                }
        !            63:        }
        !            64:        if (type == 0) {
        !            65:                upaddr->uphr = UPHR_MAXCYL;
        !            66:                if (upaddr->uphr == 822)        /* CDC 9766 */
        !            67:                        ++type;
        !            68:        }
        !            69:        upaddr->upcs2 = UPCS2_CLR;
        !            70:        st = &upst[type];
        !            71: 
        !            72:        /* set up a minimal disk label */
        !            73:        lp->d_nsectors = st->nsect;
        !            74:        lp->d_ntracks = st->ntrak;
        !            75:        lp->d_secpercyl = st->nspc;
        !            76:        lp->d_ncylinders = st->ncyl;
        !            77:        lp->d_secperunit = st->nspc * st->ncyl;
        !            78:        lp->d_npartitions = 8;
        !            79:        for (i = 0; i < 8; i++)
        !            80:                if (st->off[i] == -1)
        !            81:                        lp->d_partitions[i].p_size = 0;
        !            82:                else {
        !            83:                        lp->d_partitions[i].p_offset = st->off[i] *
        !            84:                            lp->d_secpercyl;
        !            85:                        lp->d_partitions[i].p_size = lp->d_secperunit;
        !            86:                }
        !            87:        return(1);
        !            88: }
        !            89: #endif /* COMPAT_42 */

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