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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
<title>GXemul: MVME88K emulation</title>
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<h1>GXemul: MVME88K emulation</h1>
<p>
<a href="./">Back to the index.</a>
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<p>This emulation mode attempts to emulate a Motorola MVME187 machine.
Note that these were based on
<a href="https://en.wikipedia.org/wiki/Motorola_88000">Motorola 88000</a>
processors, not 68000.
<p><br>
<a name="openbsdmvme88kinstall"></a>
<h3>OpenBSD/mvme88k:</h3>
<p>It is possible to run <a href="http://www.openbsd.org/mvme88k.html">OpenBSD/mvme88k</a>
on an emulated Motorola MVME187 machine in the emulator.
<p>To install OpenBSD/mvme88k onto an emulated harddisk image, follow these
instructions:
<p>
<ol>
<li>Create an empty harddisk image, which will be the root disk
that OpenBSD installs itself onto:<pre>
<b>dd if=/dev/zero of=obsd_mvme88k.img bs=1024 count=1 seek=1900000</b>
</pre>
<li>Download the entire mvme88k directory from the ftp server:<pre>
<b>wget -np -l 0 -r <a href="https://ftp.nluug.nl/OpenBSD/4.5/mvme88k/">https://ftp.nluug.nl/OpenBSD/4.5/mvme88k/</a></b>
</pre>
<li>You now need to make an ISO image of the entire directory you downloaded.
(I recommend using <tt>mkisofs</tt> for that purpose. If you don't
already have <tt>mkisofs</tt> installed on your system, you need
to install it in order to do this.)<pre>
<b>mkisofs -o openbsd_mvme88k_4.5.iso -U ftp.nluug.nl/OpenBSD/</b>
</pre>
<li>Copy away the kernel, we'll need it later. But remove the rest of the
downloaded tree.<pre>
<b>cp ftp.nluug.nl/OpenBSD/4.5/mvme88k/bsd .
rm -rf ftp.nluug.nl</b>
</pre>
<li>Start the emulator using this command line:<pre>
<b>gxemul -e mvme187 -d obsd_mvme88k.img -d b:openbsd_mvme88k_4.5.iso -j 4.5/mvme88k/bsd.rd</b>
</pre>
and proceed like you would do if you were installing OpenBSD
on a real MVME187. There is a problem with finding the filesystem on
the CDROM, since there is no disklabel [and/or because the emulator
perhaps does not simulate CDROM TOCs well enough], but it's possible
to mount
the filesystem using manual intervention. Here is an example (from 4.4) of what
an install can look like: (user input in <font color="#0000ff"><i>blue italic</i></font>)<pre>
CPU0 is associated to 2 MC88200 CMMUs
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
Copyright (c) 1995-2008 OpenBSD. All rights reserved. http://www.OpenBSD.org
OpenBSD 4.4 (RAMDISK) #19: Sun Aug 10 21:03:44 GMT 2008
root@arzon.gentiane.org:/usr/src/sys/arch/mvme88k/compile/RAMDISK
real mem = 67108864 (64MB)
avail mem = 56791040 (54MB)
mainbus0 at root: Motorola MVME187, 33MHz
cpu0: M88100 rev 0x3, 2 CMMU
cpu0: M88200 (16K) rev 0x9, full Icache, M88200 (16K) rev 0x9, full Dcache
pcctwo0 at mainbus0 addr 0xfff00000: rev 0
nvram0 at pcctwo0 offset 0xc0000: MK48T08
cl0 at pcctwo0 offset 0x45000 ipl 3: console
osiop0 at pcctwo0 offset 0x47000 ipl 2: NCR53C710 rev 2, 66MHz
scsibus0 at osiop0: 8 targets, initiator 7
osiop0: target 0 ignored sync request
osiop0: target 0 now using 8 bit asynch xfers
sd0 at scsibus0 targ 0 lun 0: <GXemul, obsd_mvme88k.im, 0> SCSI2 0/direct fixed
sd0: 1855MB, 1855 cyl, 16 head, 128 sec, 512 bytes/sec, 3800003 sec total
osiop0: target 1 ignored sync request
osiop0: target 1 now using 8 bit asynch xfers
cd0 at scsibus0 targ 1 lun 0: <GXemul, openbsd_mvme88k, 0> SCSI2 5/cdrom removable
vme0 at pcctwo0 offset 0x40000
vme0: using BUG parameters
vme0: vme to cpu irq level 1:1
vmes0 at vme0
rd0: fixed, 4096 blocks
boot device: <unknown>
root on rd0a swap on rd0b dump on rd0b
WARNING: clock gained 138 days -- CHECK AND RESET THE DATE!
erase ^?, werase ^W, kill ^U, intr ^C, status ^T
(I)nstall, (U)pgrade or (S)hell? <font color="#0000ff"><i>i</i></font>
Welcome to the OpenBSD/mvme88k 4.4 install program.
This program will help you install OpenBSD. At any prompt except password
prompts you can escape to a shell by typing '!'. Default answers are shown
in []'s and are selected by pressing RETURN. At any time you can exit this
program by pressing Control-C, but exiting during an install can leave your
system in an inconsistent state.
Terminal type? [vt100] <font color="#0000ff"><i>xterm</i></font>
IS YOUR DATA BACKED UP? As with anything that modifies disk contents, this
program can cause SIGNIFICANT data loss.
It is often helpful to have the installation notes handy. For complex disk
configurations, relevant disk hardware manuals and a calculator are useful.
Proceed with install? [no] <font color="#0000ff"><i>yes</i></font>
Cool! Let's get to it.
You will now initialize the disk(s) that OpenBSD will use. To enable all
available security features you should configure the disk(s) to allow the
creation of separate filesystems for /, /tmp, /var, /usr, and /home.
Available disks are: sd0.
Which one is the root disk? (or 'done') [sd0] <font color="#0000ff"><i>sd0</i></font>
osiop0: target 0 ignored sync request
osiop0: target 0 now using 8 bit asynch xfers
Initial label editor (enter '?' for help at any prompt)
> <font color="#0000ff"><i>a a</i></font>
offset: [0] <font color="#0000ff"><i>63</i></font>
size: [3799940] <font color="#0000ff"><i>3500000</i></font>
FS type: [4.2BSD]
mount point: [none] <font color="#0000ff"><i>/</i></font>
> <font color="#0000ff"><i>a b</i></font>
offset: [3500063]
size: [299940]
FS type: [swap]
> <font color="#0000ff"><i>w</i></font>
> <font color="#0000ff"><i>q</i></font>
No label changes.
No more disks to initialize.
OpenBSD filesystems:
sd0a /
The next step *DESTROYS* all existing data on these partitions!
Are you really sure that you're ready to proceed? [no] <font color="#0000ff"><i>yes</i></font>
/dev/rsd0a: 1709.0MB in 3500000 sectors of 512 bytes
9 cylinder groups of 202.47MB, 12958 blocks, 25984 inodes each
/dev/sd0a on /mnt type ffs (rw, asynchronous, local, ctime=Thu Jan 1 16:29:57 2009)
System hostname? (short form, e.g. 'foo') <font color="#0000ff"><i>test</i></font>
Configure the network? [yes] <font color="#0000ff"><i>no</i></font>
Password for root account? (will not echo)
Password for root account? (again)
Let's install the sets!
Location of sets? (cd disk ftp http nfs or 'done') [cd] <font color="#0000ff"><i>disk</i></font>
Is the disk partition already mounted? [no] <font color="#0000ff"><i>!mount -t cd9660 /dev/cd0c /mnt2</i></font>
osiop0: target 1 ignored sync request
osiop0: target 1 now using 8 bit asynch xfers
Is the disk partition already mounted? [no] <font color="#0000ff"><i>yes</i></font>
Pathname to the sets? (or 'done') [4.4/mvme88k] <font color="#0000ff"><i>/mnt2/4.4/mvme88k</i></font>
Select sets by entering a set name, a file name pattern or 'all'. De-select
sets by prepending a '-' to the set name, file name pattern or 'all'. Selected
sets are labelled '[X]'.
[X] bsd
[X] bsd.rd
[ ] bsd.mp
[X] base44.tgz
[X] etc44.tgz
[X] misc44.tgz
[X] comp44.tgz
[X] man44.tgz
[X] game44.tgz
[ ] xbase44.tgz
[ ] xetc44.tgz
[ ] xshare44.tgz
[ ] xfont44.tgz
[ ] xserv44.tgz
Set name? (or 'done') [bsd.mp] <font color="#0000ff"><i>done</i></font>
Ready to install sets? [yes] <font color="#0000ff"><i>yes</i></font>
Getting bsd ...
100% |**************************************************| 2329 KB 01:21
Getting bsd.rd ...
100% |**************************************************| 3150 KB 01:48
Getting base44.tgz ...
100% |**************************************************| 87686 KB 11:56
Getting etc44.tgz ...
100% |**************************************************| 629 KB 00:14
Getting misc44.tgz ...
100% |**************************************************| 2866 KB 00:37
Getting comp44.tgz ...
100% |**************************************************| 38869 KB 06:19
Getting man44.tgz ...
100% |**************************************************| 6967 KB 01:50
Getting game44.tgz ...
100% |**************************************************| 7037 KB 01:16
Location of sets? (cd disk ftp http nfs or 'done') [done] <font color="#0000ff"><i>done</i></font>
Start sshd(8) by default? [yes] <font color="#0000ff"><i>yes</i></font>
Start ntpd(8) by default? [no] <font color="#0000ff"><i>no</i></font>
Saving configuration files...done.
Generating initial host.random file...done.
What timezone are you in? ('?' for list) [Canada/Mountain] <font color="#0000ff"><i>Europe/Stockholm</i></font>
Setting local timezone to 'Europe/Stockholm'...done.
Making all device nodes...done.
Installing boot block...
boot: /mnt/boot
proto: /mnt/usr/mdec/bootxx
device: /dev/rsd0a
cdevice: /dev/rsd0c
modifying vid.
/mnt/usr/mdec/bootxx: entry point 0x9f0000
proto bootblock size 5120
room for 64 filesystem blocks at 0x9f1198
Will load 2 blocks of size 16384 each.
0: 17696
1: 17728
CONGRATULATIONS! Your OpenBSD install has been successfully completed!
To boot the new system, enter halt at the command prompt. Once the
system has halted, reset the machine and boot from the disk.
# <font color="#0000ff"><i>umount /mnt</i></font>
# <font color="#0000ff"><i>halt</i></font>
</pre>
</ol>
<p>
Once the install has finished, the following command should let you
boot from the harddisk image:
<pre>
<b>gxemul -e mvme187 -d obsd_mvme88k.img bsd</b>
</pre>
<p>When asked about root disk, enter <tt><b>sd0</b></tt>.
<p>No NIC has been implemented yet for mvme187, so there is no network connectivity
from within the guest OS.
<p><br>
</body>
</html>
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