1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/* $NetBSD: data.h,v 1.4 1995/09/16 15:58:57 ragge Exp $ */
/*
* Copyright (c) 1995 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* This code is derived from software contributed to Ludd by
* Bertram Barth.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* All bugs are subject to removal without further notice */
extern unsigned *bootregs;
/*
* rpb->iovec gives pointer to this structure.
*
* bqo->unit_init() is used to initialize the controller,
* bqo->qio() is used to read from boot-device
*/
struct bqo {
long qio; /* 4 QIO entry */
long map; /* 4 Mapping entry */
long select; /* 4 Selection entry */
long drivrname; /* 4 Offset to driver name */
short version; /* 2 Version number of VMB */
short vercheck; /* 2 Check field */
/* offset: 20 */
long reselect; /* 4 Reselection entry */
long move; /* 4 Move driver entry */
long unit_init; /* 4 Unit initialization entry */
long auxdrname; /* 4 Offset to auxiliary driver name */
long umr_dis; /* 4 UNIBUS Map Registers to disable */
/* offset: 40 */
long ucode; /* 4 Absolute address of booting microcode */
long unit_disc; /* 4 Unit disconnecting entry */
long devname; /* 4 Offset to boot device name */
long umr_tmpl; /* 4 UNIBUS map register template */
/* offset: 60 */
/*
* the rest is unknown / unneccessary ...
*/
long xxx[6]; /* 24 -- total: 84 bytes */
};
extern struct bqo *bqo;
|
