Annotation of www/vax-simh.html, Revision 1.21
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18:
19: <h2><font color="#e00000">OpenBSD/vax on SIMH</font></h2>
20:
21: <hr>
22:
23: It is very easy to install OpenBSD/vax on the
1.2 henning 24: <a href="http://simh.trailing-edge.com">SIMH</a> VAX simulator. All
1.1 kettenis 25: you need is a reasonably fast machine, enough disk space for a 1.5GB
1.20 miod 26: disk image and the vax <i>floppy50.fs</i> file.
1.1 kettenis 27:
28: Assuming you're going to run SIMH on an OpenBSD system, install the
1.18 steven 29: <i>emulators/simh</i> package from <a href="faq/ports/index.html">ports</a>.
1.1 kettenis 30: Decide on an appropriate location for your OpenBSD/vax SIMH
31: environment and at that location, create a file <i>openbsd.simh</i>
32: with the following contents:
33:
1.3 saad 34: <blockquote>
35: <pre>
1.1 kettenis 36: <strong>
37: set cpu 64m
38: at nvr openbsd.nvram
39:
1.8 kettenis 40: deposit rq qtime 1000000
1.1 kettenis 41:
42: set rq0 ra92
43: at rq0 openbsd.ra0.disk
44:
45: set rq1 cdrom
46: at rq1 /dev/rcd0c
47:
48: set rq2 cdrom
1.20 miod 49: at rq2 floppy50.fs
1.1 kettenis 50:
51: at xq0 bge0
52:
53: boot cpu
54: exit
55: </strong>
1.3 saad 56: </pre>
57: </blockquote>
1.1 kettenis 58:
59: This configures SIMH to simulate a VAX with a whopping 64 MB of
60: memory, a RA92 1.5GB disk, a CD-ROM unit to hold CD1 of your CD-ROM
61: set, another CD-ROM unit to boot from, and a DELQA Qbus Ethernet
62: controller. You'll need to replace <strong>bge0</strong> with the
63: name of the network interface in your machine. You also might need to
64: replace <strong>/dev/rcd0c</strong> with the name of the raw device
1.21 ! sthen 65: corresponding to your real CD-ROM unit.
! 66:
! 67: <p>
! 68:
! 69: By default pressing ^E will interrupt the emulation; if you're
! 70: accustomed to the emacs editing keys, you might like to remap this
! 71: (e.g. adding <strong>set console wru=1e</strong> sets it to ^6,
! 72: ascii code 0x1e).
! 73: If you prefer a larger disk, replace <strong>set rq0 ra92</strong>
! 74: with e.g. <strong>set rq0 rauser=15000</strong> (where 15000 is the
! 75: size in MB; older versions of the SIMH port are limited to 4000000
! 76: blocks, 1953MB).
! 77: See the SIMH documentation for more details.
1.1 kettenis 78:
79: <p>
80:
1.20 miod 81: Copy <i>5.0/vax/floppy50.fs</i> to the location of your
1.12 miod 82: OpenBSD/vax SIMH environment.
1.1 kettenis 83:
84: Now fire up SIMH. At the boot prompt you should type <strong>boot
85: dua2:</strong>, after which SIMH should boot into the normal OpenBSD
86: installation program:
87:
1.3 saad 88: <blockquote>
89: <pre>
1.1 kettenis 90: # <strong>simh-vax openbsd.simh</strong>
91:
1.16 sthen 92: VAX simulator V3.8-1
1.1 kettenis 93: NVR: buffering file in memory
94: Eth: opened bge0
1.13 sthen 95: Loading boot code from /usr/local/lib/simh/vax/ka655x.bin
1.1 kettenis 96:
97:
98: KA655-B V5.3, VMB 2.7
99: Performing normal system tests.
100: 40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
101: 24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
102: 08..07..06..05..04..03..
103: Tests completed.
104: >>><strong>boot dua2:</strong>
105: (BOOT/R5:0 DUA2
106:
107:
108:
109: 2..
110: -DUA2
111: 1..0..
112:
113:
1.14 martynas 114: >> OpenBSD/vax boot [1.15] <<
1.1 kettenis 115: >> Press enter to autoboot now, or any other key to abort: 0
116: > boot bsd
1.3 saad 117: </pre>
118: </blockquote>
1.1 kettenis 119:
120: After you've finished the installation, restart SIMH, but now type:
121:
1.3 saad 122: <blockquote>
123: <pre>
1.1 kettenis 124: >>><strong>boot dua0:</strong>
1.3 saad 125: </pre>
126: </blockquote>
1.1 kettenis 127:
128: to boot from your newly installed disk image. You'll need a little
129: patience upon your first boot, since generating the SSH host keys can
130: take quite a bit of time. But it will eventually boot through and
131: present you with a friendly login prompt:
132:
1.3 saad 133: <blockquote>
134: <pre>
1.1 kettenis 135: OpenBSD/vax (noname.my.domain) (console)
136:
137: login:
1.3 saad 138: </pre>
139: </blockquote>
1.1 kettenis 140:
141: When you are done installing any additional packages, you might want
142: to remove the lines referring to your real CD-ROM unit and
1.20 miod 143: <i>floppy50.fs</i> from your <i>openbsd.simh</i> file.
1.1 kettenis 144:
145: <p>
146:
147: Enjoy!
148:
149: <hr>
150: <a href="vax.html">
151: <img height="24" width="24" src="back.gif" border="0" alt="OpenBSD/vax">
152: </a>
153: <br>
154: <small><a href="mailto:www@openbsd.org">www@openbsd.org</a></small>
155: <br>
156:
1.21 ! sthen 157: <small>$OpenBSD: vax-simh.html,v 1.20 2011/11/01 16:16:47 miod Exp $</small>
1.1 kettenis 158:
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