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<?xml version="1.0" encoding="UTF-8"?>
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<title>GXemul: Landisk emulation</title>
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<h1>GXemul: Landisk emulation</h1>
<p>
<a href="./">Back to the index.</a>
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<p>The Landisk I-O DATA USL-5P emulation mode is working well enough to run
<a href="#netbsdlandiskinstall">NetBSD/landisk</a> and
<a href="#openbsdlandiskinstall">OpenBSD/landisk</a>.</p>
<p>Ethernet is not emulated yet for this machine type.
If you want to transfer files to/from the emulated landisk machine, see
<a href="misc.html#filexfer">this chapter</a> in the documentation.
<p><br>
<a name="netbsdlandiskinstall"></a>
<h3>NetBSD/landisk:</h3>
<p><a href="http://www.netbsd.org/ports/landisk/">NetBSD/landisk</a> can
run in GXemul.
<p>
<a href="20070224-netbsd-landisk.png"><img src="20070224-netbsd-landisk_small.png"></a>
<p>The NetBSD/landisk distribution does not include any INSTALL kernel,
so it must be installed using another (emulated) machine.
<p>The following instructions will let you install NetBSD/landisk onto a disk
image, using an emulated CATS machine:
<p>
<ol>
<li>Download a NetBSD/cats install kernel:<pre>
<a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0.1/cats/binary/kernel/netbsd.aout-INSTALL.gz">ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-4.0.1/cats/binary/kernel/netbsd.aout-INSTALL.gz</a>
</pre>
<p>
<li>Create an empty harddisk image, which will be the disk image
that you will install NetBSD/landisk onto:<pre>
<b>dd if=/dev/zero of=nbsd_landisk.img bs=1024 count=1 seek=900000</b>
</pre>
<p>
<li>Download NetBSD/landisk and make an iso image of it:<pre>
<b>wget -np -l 0 -r <a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-5.0.1/landisk">ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-5.0.1/landisk</a>
cp ftp.netbsd.org/pub/NetBSD/NetBSD-5.0.1/landisk/binary/kernel/netbsd-GENERIC.gz .
mkisofs -U -o landisk.iso ftp.netbsd.org/pub/NetBSD/NetBSD-5.0.1</b>
</pre>
<p>
<li>Start the emulated CATS machine like this:<pre>
<b>gxemul -XEcats -d nbsd_landisk.img -d landisk.iso netbsd.aout-INSTALL.gz</b>
</pre>
<li>Exit the installer, then execute the following commands:
<p><table border="0"><tr><td><tt> </tt></td><td><pre>
<b>disklabel -i -I wd0</b> (for example 'a', '4.2BSD', '1c',
'700M', 'b', 'swap', '701M', '$', 'P', 'W', 'y', and 'Q')
<b>newfs /dev/wd0a
mount /dev/cd0c /mnt
mkdir /mnt2; mount /dev/wd0a /mnt2
cd /mnt2; sh
ls -R /mnt
for a in /mnt/*/binary/sets/[bcekmt]*.tgz; do ls -R /mnt > /dev/null; echo $a; tar zxfp $a; done
exit
cd dev; sh ./MAKEDEV all; cd ../etc
echo rc_configured=YES >> rc.conf
echo "/dev/wd0a / ffs rw 1 1" > fstab
echo "/dev/wd0b none swap sw 0 0" >> fstab
cd /; umount /mnt; umount /mnt2; halt</b>
</pre></td></tr></table>
</ol>
<p>NOTE: For some reason, reading the iso image created by mkisofs does
not work as expected. The "ls -R /mnt" commands included above seem
to make it work. (Yes, this is a serious bug, but I am not sure how
to diagnose it.)
<p>You should now be able to boot NetBSD/landisk using this command:<pre>
<b>gxemul -x -E landisk -d nbsd_landisk.img netbsd-GENERIC.gz</b>
</pre>
<p><br>
<a name="openbsdlandiskinstall"></a>
<h3>OpenBSD/landisk:</h3>
<p>It is possible to install and run
<a href="http://www.openbsd.org/landisk.html">OpenBSD/landisk</a> 6.3
in GXemul.
<p>
<a href="20081103-openbsd-landisk.png"><img src="20081103-openbsd-landisk-small.png"></a>
<a href="20131109-openbsd_landisk.png"><img src="20131109-openbsd_landisk-small.jpg"></a>
<p>To install OpenBSD/landisk 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_landisk.img bs=1024 count=1 seek=3500000</b>
</pre>
<li>Download the Landisk RAMDISK kernel, the regular kernel, and the files
needed to produce a working .iso from the ftp server, and create the .iso
using the <tt>mkisofs</tt> tool (may be part of the cdrtools package):<pre>
<b>wget http://ftp.openbsd.org/pub/OpenBSD/6.3/landisk/base63.tgz http://ftp.openbsd.org/pub/OpenBSD/6.3/landisk/comp63.tgz http://ftp.openbsd.org/pub/OpenBSD/6.3/landisk/man63.tgz http://ftp.openbsd.org/pub/OpenBSD/6.3/landisk/bsd http://ftp.openbsd.org/pub/OpenBSD/6.3/landisk/bsd.rd
mkisofs -J -o openbsd_landisk.iso base63.tgz comp63.tgz man63.tgz</b>
</pre>
<p>(The installer will complain about missing INSTALL.landisk and SHA256.sig
files, but it seems to work anyway.)
<li>Start the emulator using this command line (<b>note the <tt>d:</tt> prefix</b>):<pre>
<b>gxemul -E landisk -d obsd_landisk.img -d d:openbsd_landisk.iso bsd.rd</b>
</pre>
and proceed like you would do if you were installing OpenBSD
on a real landisk. The following hints are useful to get you
through the installation:
<p>
<ul>
<li>Terminal type = <b>xterm</b>
<li>Do <b>not</b> configure the network. (The Realtek NIC
found in the Landisk machine is not implemented yet
in the emulator.)
<li>root disk = <b>wd0</b> (the disk to install onto),
use the <b>whole</b> disk for OpenBSD
<li>Accept the auto-layout (one big root partition (a) and a
small swap partition (b). c is the entire disk).
<li>Location of sets = <b>disk</b>,
is the disk partition already mounted = <b>no</b>,
disk containing the install media = <b>wd1</b>
<li>Pathname to the sets = <b>/</b>
</ul>
<p>Ignore the warning about missing 'bsd' file by the installer, we
are supplying the bsd kernel file directly on the GXemul command line.
</ol>
<p>Once the install has finished, the following command should let you
boot from the disk image:
<p><pre>
<b>gxemul -E landisk -d obsd_landisk.img bsd</b>
</pre>
<p>Note: Generating ssh keys on the first bootup is extremely time consuming.
<p><br>
</body>
</html>
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