75 lines
3.1 KiB
C
75 lines
3.1 KiB
C
/* $NetBSD: data.h,v 1.4 1995/09/16 15:58:57 ragge Exp $ */
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/*
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* Copyright (c) 1995 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* This code is derived from software contributed to Ludd by
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* Bertram Barth.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* All bugs are subject to removal without further notice */
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extern unsigned *bootregs;
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/*
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* rpb->iovec gives pointer to this structure.
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*
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* bqo->unit_init() is used to initialize the controller,
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* bqo->qio() is used to read from boot-device
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*/
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struct bqo {
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long qio; /* 4 QIO entry */
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long map; /* 4 Mapping entry */
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long select; /* 4 Selection entry */
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long drivrname; /* 4 Offset to driver name */
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short version; /* 2 Version number of VMB */
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short vercheck; /* 2 Check field */
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/* offset: 20 */
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long reselect; /* 4 Reselection entry */
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long move; /* 4 Move driver entry */
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long unit_init; /* 4 Unit initialization entry */
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long auxdrname; /* 4 Offset to auxiliary driver name */
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long umr_dis; /* 4 UNIBUS Map Registers to disable */
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/* offset: 40 */
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long ucode; /* 4 Absolute address of booting microcode */
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long unit_disc; /* 4 Unit disconnecting entry */
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long devname; /* 4 Offset to boot device name */
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long umr_tmpl; /* 4 UNIBUS map register template */
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/* offset: 60 */
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/*
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* the rest is unknown / unneccessary ...
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*/
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long xxx[6]; /* 24 -- total: 84 bytes */
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};
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extern struct bqo *bqo;
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