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Annotation of sys/arch/vax/boot/boot/data.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: data.h,v 1.2 2002/06/11 09:36:23 hugh Exp $ */
        !             2: /*     $NetBSD: data.h,v 1.3 2001/07/26 15:05:09 wiz Exp $ */
        !             3: /*
        !             4:  * Copyright (c) 1995 Ludd, University of Lule}, Sweden.
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * This code is derived from software contributed to Ludd by
        !             8:  * Bertram Barth.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *      This product includes software developed at Ludd, University of
        !            21:  *      Lule}, Sweden and its contributors.
        !            22:  * 4. The name of the author may not be used to endorse or promote products
        !            23:  *    derived from this software without specific prior written permission
        !            24:  *
        !            25:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            26:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            27:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            28:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            29:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            30:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            31:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            32:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            33:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            34:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            35:  */
        !            36:
        !            37:  /* All bugs are subject to removal without further notice */
        !            38:
        !            39:
        !            40:
        !            41: /*
        !            42:  * rpb->iovec gives pointer to this structure.
        !            43:  *
        !            44:  * bqo->unit_init() is used to initialize the controller,
        !            45:  * bqo->qio() is used to read from boot-device
        !            46:  */
        !            47:
        !            48: struct bqo {
        !            49:        long  qio;            /*  4  QIO entry  */
        !            50:        long  map;            /*  4  Mapping entry  */
        !            51:        long  select;         /*  4  Selection entry  */
        !            52:        long  drivrname;      /*  4  Offset to driver name  */
        !            53:        short version;        /*  2  Version number of VMB  */
        !            54:        short vercheck;       /*  2  Check field  */
        !            55:        /* offset: 20 */
        !            56:        long  reselect;       /*  4  Reselection entry  */
        !            57:        long  move;           /*  4  Move driver entry  */
        !            58:        long  unit_init;      /*  4  Unit initialization entry  */
        !            59:        long  auxdrname;      /*  4  Offset to auxiliary driver name  */
        !            60:        long  umr_dis;        /*  4  UNIBUS Map Registers to disable  */
        !            61:        /* offset: 40 */
        !            62:        long  ucode;          /*  4  Absolute address of booting microcode  */
        !            63:        long  unit_disc;      /*  4  Unit disconnecting entry */
        !            64:        long  devname;        /*  4  Offset to boot device name */
        !            65:        long  umr_tmpl;       /*  4  UNIBUS map register template */
        !            66:        /* offset: 60 */
        !            67:        /*
        !            68:         * the rest is unknown / unnecessary ...
        !            69:         */
        !            70:        long  xxx[6];           /* 24 --        total: 84 bytes */
        !            71: };
        !            72:
        !            73: extern struct bqo *bqo;