Annotation of www/vax-simh.html, Revision 1.24
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17: <p>
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
1.22 sthen 26: disk image and the vax <i>floppy51.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>
1.24 ! okan 37: set cpu 128m
1.1 kettenis 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
1.22 sthen 49: at rq2 floppy51.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:
1.24 ! okan 59: This configures SIMH to simulate a VAX with a whopping 128 MB of
1.1 kettenis 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
1.22 sthen 75: size in MB).
1.21 sthen 76: See the SIMH documentation for more details.
1.1 kettenis 77:
78: <p>
79:
1.22 sthen 80: Copy <i>5.1/vax/floppy51.fs</i> to the location of your
1.12 miod 81: OpenBSD/vax SIMH environment.
1.1 kettenis 82:
83: Now fire up SIMH. At the boot prompt you should type <strong>boot
84: dua2:</strong>, after which SIMH should boot into the normal OpenBSD
85: installation program:
86:
1.3 saad 87: <blockquote>
88: <pre>
1.1 kettenis 89: # <strong>simh-vax openbsd.simh</strong>
90:
1.16 sthen 91: VAX simulator V3.8-1
1.1 kettenis 92: NVR: buffering file in memory
93: Eth: opened bge0
1.13 sthen 94: Loading boot code from /usr/local/lib/simh/vax/ka655x.bin
1.1 kettenis 95:
96:
97: KA655-B V5.3, VMB 2.7
98: Performing normal system tests.
99: 40..39..38..37..36..35..34..33..32..31..30..29..28..27..26..25..
100: 24..23..22..21..20..19..18..17..16..15..14..13..12..11..10..09..
101: 08..07..06..05..04..03..
102: Tests completed.
103: >>><strong>boot dua2:</strong>
104: (BOOT/R5:0 DUA2
105:
106:
107:
108: 2..
109: -DUA2
110: 1..0..
111:
112:
1.14 martynas 113: >> OpenBSD/vax boot [1.15] <<
1.1 kettenis 114: >> Press enter to autoboot now, or any other key to abort: 0
115: > boot bsd
1.3 saad 116: </pre>
117: </blockquote>
1.1 kettenis 118:
119: After you've finished the installation, restart SIMH, but now type:
120:
1.3 saad 121: <blockquote>
122: <pre>
1.1 kettenis 123: >>><strong>boot dua0:</strong>
1.3 saad 124: </pre>
125: </blockquote>
1.1 kettenis 126:
127: to boot from your newly installed disk image. You'll need a little
128: patience upon your first boot, since generating the SSH host keys can
129: take quite a bit of time. But it will eventually boot through and
130: present you with a friendly login prompt:
131:
1.3 saad 132: <blockquote>
133: <pre>
1.1 kettenis 134: OpenBSD/vax (noname.my.domain) (console)
135:
136: login:
1.3 saad 137: </pre>
138: </blockquote>
1.1 kettenis 139:
140: When you are done installing any additional packages, you might want
141: to remove the lines referring to your real CD-ROM unit and
1.22 sthen 142: <i>floppy51.fs</i> from your <i>openbsd.simh</i> file.
1.1 kettenis 143:
144: <p>
145:
146: Enjoy!
147:
148: <hr>
149: <a href="vax.html">
150: <img height="24" width="24" src="back.gif" border="0" alt="OpenBSD/vax">
151: </a>
152: <br>
153: <small><a href="mailto:www@openbsd.org">www@openbsd.org</a></small>
154: <br>
155:
1.24 ! okan 156: <small>$OpenBSD: vax-simh.html,v 1.23 2012/10/24 00:27:35 okan Exp $</small>
1.1 kettenis 157:
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