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1  <html>  <html>
2  <head><title>GXemul documentation: Installing and running "guest OSes"</title>  <head><title>GXemul documentation: Installing and running "guest OSes"</title>
3    <meta name="robots" content="noarchive,nofollow,noindex">
4  </head>  </head>
5  <body bgcolor="#f8f8f8" text="#000000" link="#4040f0" vlink="#404040" alink="#ff0000">  <body bgcolor="#f8f8f8" text="#000000" link="#4040f0" vlink="#404040" alink="#ff0000">
6  <table border=0 width=100% bgcolor="#d0d0d0"><tr>  <table border=0 width=100% bgcolor="#d0d0d0"><tr>
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9  <b>GXemul documentation:</b></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  <b>GXemul documentation:</b></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
10  <font color="#000000" size="6"><b>Installing and running "guest OSes"</b>  <font color="#000000" size="6"><b>Installing and running "guest OSes"</b>
11  </font></td></tr></table></td></tr></table><p>  </font></td></tr></table></td></tr></table><p>
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12    
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14    
15  $Id: guestoses.html,v 1.35 2005/04/27 15:32:40 debug Exp $  $Id: guestoses.html,v 1.50 2005/06/11 11:53:33 debug Exp $
16    
17  Copyright (C) 2003-2005  Anders Gavare.  All rights reserved.  Copyright (C) 2003-2005  Anders Gavare.  All rights reserved.
18    
# Line 101  system, the harddisk image looks and act Line 100  system, the harddisk image looks and act
100    
101  <p>  <p>
102  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
103  <a href="netbsd-pmax-20040630.png"><img src="netbsd-pmax-20040630_small.png"></a>  <a href="20050317-example.png"><img src="20050317-example_small.png"></a>
104    
105  <p>  <p>
106  To install NetBSD/pmax onto a harddisk image in the emulator, follow these  To install NetBSD/pmax onto a harddisk image in the emulator, follow these
# Line 223  follow these instructions: Line 222  follow these instructions:
222          $ <b>dd if=/dev/zero of=nbsd_arc.img bs=1024 count=1 seek=900000</b>          $ <b>dd if=/dev/zero of=nbsd_arc.img bs=1024 count=1 seek=900000</b>
223    
224  </pre>  </pre>
225    <li>Download a NetBSD/arc CDROM image from ftp:<pre>    <li>Download a NetBSD/arc 1.6.2 CDROM image from ftp:<pre>
226          <a href="ftp://ftp.netbsd.org/pub/NetBSD/iso/1.6.2/arccd.iso">ftp://ftp.netbsd.org/pub/NetBSD/iso/1.6.2/arccd.iso</a>          <a href="ftp://ftp.netbsd.org/pub/NetBSD/iso/1.6.2/arccd.iso">ftp://ftp.netbsd.org/pub/NetBSD/iso/1.6.2/arccd.iso</a>
227    
228  </pre>  </pre>
   <li>Download a NetBSD/arc installation (ramdisk) kernel,  
         and gunzip it:<pre>  
         <a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-1.6.2/arc/binary/kernel/netbsd.RAMDISK.gz">ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-1.6.2/arc/binary/kernel/netbsd.RAMDISK.gz</a>  
   
 </pre>  
229    <li>Start the emulator using this command line:<pre>    <li>Start the emulator using this command line:<pre>
230          $ <b>gxemul -E arc -e pica -b -d nbsd_arc.img -d arccd.iso netbsd.RAMDISK</b>          $ <b>gxemul -E arc -e pica -x -b -d nbsd_arc.img -d bc:arccd.iso \
231              -j arc/binary/kernel/netbsd.RAMDISK.gz</b>
232    
233  </pre>  </pre>
234            (Try removing <tt>-x</tt> if you have problems with the xterm.)
235        <p>
236    <li>From now on, you have to use your imagination, as there is no    <li>From now on, you have to use your imagination, as there is no
237          automatic installation program for NetBSD/arc. Here are some tips          automatic installation program for NetBSD/arc. Here are some tips
238          and hints on how you can proceed with the install:<pre>          and hints on how you can proceed with the install:<pre>
# Line 245  follow these instructions: Line 242  follow these instructions:
242          $ <b>newfs /dev/sd0a</b>          $ <b>newfs /dev/sd0a</b>
243          $ <b>mount /dev/sd0a /mnt</b>          $ <b>mount /dev/sd0a /mnt</b>
244          $ <b>cd /mnt</b>          $ <b>cd /mnt</b>
245          $ <b>for a in /mnt2/arc/binary/sets/*.tgz; do tar xvzpf $a; done</b>          $ <b>for a in /mnt2/arc/binary/sets/*.tgz; do echo $a; tar xzpf $a; done</b>
246          $ <b>cd dev; sh MAKEDEV all</b>          $ <b>cd dev; sh MAKEDEV all</b>
247          $ <b>cd ../etc; echo "rc_configured=YES" &gt;&gt; rc.conf</b>          $ <b>cd ../etc; echo "rc_configured=YES" &gt;&gt; rc.conf</b>
248          $ <b>cat > /mnt/etc/fstab</b>          $ <b>cat > /mnt/etc/fstab</b>
# Line 268  You can now use the generic NetBSD/arc k Line 265  You can now use the generic NetBSD/arc k
265  image, using the following command:  image, using the following command:
266  <p>  <p>
267  <pre>  <pre>
268          $ <b>gxemul -E arc -e pica -b -d nbsd_arc.img netbsd-GENERIC</b>          $ <b>gxemul -E arc -e pica -xb -d nbsd_arc.img netbsd-GENERIC</b>
269    
270  </pre>  </pre>
271    
 <p>  
 Using <b>-b</b> (enabling dynamic binary translation), as in the instructions  
 above, is not 100% stable. If you experiment weird crashes, try removing that  
 option and try again.  
272    
273    
274    
# Line 363  NetBSD/hpcmips on an emulated MobilePro Line 356  NetBSD/hpcmips on an emulated MobilePro
356          $ <b>dd if=/dev/zero of=nbsd_hpcmips.img bs=1024 count=1 seek=1990000</b>          $ <b>dd if=/dev/zero of=nbsd_hpcmips.img bs=1024 count=1 seek=1990000</b>
357    
358  </pre>  </pre>
359    <li>Download the installation kernel (and gunzip it) and an ISO    <li>Download the NetBSD 2.0 for hpcmips ISO image:<pre>
         image of NetBSD 2.0 for hpcmips:<pre>  
         <a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-2.0/hpcmips/installation/">ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-2.0/hpcmips/installation</a>/<a href="ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-2.0/hpcmips/installation/netbsd.gz">netbsd.gz</a>  
360          <a href="ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0/">ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0</a>/<a href="ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0/hpcmipscd.iso">hpcmipscd.iso</a>          <a href="ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0/">ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0</a>/<a href="ftp://ftp.se.netbsd.org/pub/NetBSD/iso/2.0/hpcmipscd.iso">hpcmipscd.iso</a>
361    
362  </pre>(You may want to choose a mirror closer to you, if .se is slow.)  </pre>(You may want to choose a mirror closer to you, if .se is slow.)
363    <p>    <p>
364    <li>Start the installation like this:<pre>    <li>Start the installation like this:<pre>
365          $ <b>gxemul -E hpc -e mobilepro800 -b -X -d nbsd_hpcmips.img -d hpcmipscd.iso netbsd</b>          $ <b>gxemul -E hpc -e mobilepro800 -b -X -d nbsd_hpcmips.img  \
366              -d b:hpcmipscd.iso -j hpcmips/installation/netbsd.gz</b>
367    
368  </pre>  </pre>
369          and proceed like you would do if you were installing NetBSD on a real          and proceed like you would do if you were installing NetBSD on a real
# Line 432  image, from an emulated DECstation 3MAX Line 424  image, from an emulated DECstation 3MAX
424          $ <b>dd if=/dev/zero of=nbsd_cobalt.img bs=1024 count=1 seek=1999000</b>          $ <b>dd if=/dev/zero of=nbsd_cobalt.img bs=1024 count=1 seek=1999000</b>
425    
426  </pre>  </pre>
   <li>Install NetBSD/pmax 2.0 according to instructions further up  
         on this page.  
   <p>  
427    <li>Download the generic kernel for Cobalt (and gunzip it) and    <li>Download the generic kernel for Cobalt (and gunzip it) and
428          the 2.0 ISO image:<pre>          the 2.0 ISO image:<pre>
429          <a href="ftp://ftp.se.netbsd.org/pub/NetBSD/NetBSD-2.0/cobalt/binary/kernel/netbsd-GENERIC.gz">ftp://ftp.se.netbsd.org/pub/NetBSD/NetBSD-2.0/cobalt/binary/kernel/netbsd-GENERIC.gz</a>          <a href="ftp://ftp.se.netbsd.org/pub/NetBSD/NetBSD-2.0/cobalt/binary/kernel/netbsd-GENERIC.gz">ftp://ftp.se.netbsd.org/pub/NetBSD/NetBSD-2.0/cobalt/binary/kernel/netbsd-GENERIC.gz</a>
# Line 442  image, from an emulated DECstation 3MAX Line 431  image, from an emulated DECstation 3MAX
431    
432  </pre>(You may want to choose a mirror closer to you, if .se is slow.)  </pre>(You may want to choose a mirror closer to you, if .se is slow.)
433    <p>    <p>
434      <li>Install NetBSD/pmax 2.0 according to instructions further up
435            on this page.
436      <p>
437    <li>Start NetBSD/pmax like this:<pre>    <li>Start NetBSD/pmax like this:<pre>
438          $ <b>gxemul -b -Edec -e3max -d nbsd_pmax.img -d cobaltcd.iso -d nbsd_cobalt.img</b>          $ <b>gxemul -b -Edec -e3max -d nbsd_pmax.img -d cobaltcd.iso -d nbsd_cobalt.img</b>
439    
# Line 473  generic kernel:<pre> Line 465  generic kernel:<pre>
465          root device (default wd0a): <b>wd0d</b>          root device (default wd0a): <b>wd0d</b>
466          dump device (default wd0b): <b>none</b>          dump device (default wd0b): <b>none</b>
467          file system (default generic): <b>ffs</b>          file system (default generic): <b>ffs</b>
468            init path (default /sbin/init):     <i>(just press enter here)</i>
469  </pre>  </pre>
470    
471    
# Line 501  for more information. Line 494  for more information.
494  TODO...  TODO...
495    
496  <pre>  <pre>
497  cd /x; ftp -i ftp.se.netbsd.org  cd /tftpboot; ftp -i ftp.se.netbsd.org
498  ..  ..
499  cd pub/NetBSD/NetBSD-2.0/sgimips/binary/sets  cd pub/NetBSD/NetBSD-2.0/sgimips/binary/sets
500  mget *.tgz  mget *.tgz
# Line 564  common sense and imagination to modify t Line 557  common sense and imagination to modify t
557    
558  </pre>  </pre>
559    <li>You now need to make an ISO image of the entire directory you downloaded.    <li>You now need to make an ISO image of the entire directory you downloaded.
560          I recommend using <b>mkisofs</b> for that purpose. If you don't already          I recommend using <tt>mkisofs</tt> for that purpose. If you don't
561          have mkisofs installed on your system, you need to install that in          already have <tt>mkisofs</tt> installed on your system, you need
562          order to do this.<pre>          to install it in order to do this.<pre>
563          $ <b>mkisofs -o openbsd_pmax_2.8.iso ftp.se.openbsd.org/pub/OpenBSD/2.8/pmax</b>          $ <b>mkisofs -o openbsd_pmax_2.8.iso ftp.se.openbsd.org/pub/OpenBSD/2.8/pmax</b>
564    
565  </pre>  </pre>
# Line 574  common sense and imagination to modify t Line 567  common sense and imagination to modify t
567          $ <b>gxemul -E dec -e 3max -b -d obsd_pmax.img -d b:simpleroot28.fs -j bsd -d c:openbsd_pmax_2.8.iso</b>          $ <b>gxemul -E dec -e 3max -b -d obsd_pmax.img -d b:simpleroot28.fs -j bsd -d c:openbsd_pmax_2.8.iso</b>
568    
569  </pre>  </pre>
570          (If you add -X, you will run with the graphical framebuffer. This is <i>REALLY</i> slow          (If you add <tt><b>-X</b></tt>, you will run with the graphical
571          because the console has to scroll a lot during the install. I don't recommend it.)          framebuffer. This is <i>REALLY</i> slow because the console has to
572            scroll a lot during the install. I don't recommend it.)
573    <p>    <p>
574    <li>Go on with the installation as you would do if you were installing on a real machine.    <li>Go on with the installation as you would do if you were installing on a real machine.
575          If you are not used to the OpenBSD installer, then this will most likely          If you are not used to the OpenBSD installer, then this will most likely
# Line 619  Execute the following commands in the em Line 613  Execute the following commands in the em
613          # <b>mount /</b>          # <b>mount /</b>
614          # <b>passwd root</b>          # <b>passwd root</b>
615    
616          # <b>cd /</b>          # <b>cd /; mount -t cd9660 /dev/rz2c /mnt; sh</b>
         # <b>mount -t cd9660 /dev/rz2c /mnt</b>  
         # <b>sh</b>  
617          # <b>for a in /mnt/[xX]*; do tar zxvf $a; done</b>          # <b>for a in /mnt/[xX]*; do tar zxvf $a; done</b>
618          # <b>ln -s /usr/X11R6/bin/Xcfbpmax /usr/X11R6/bin/X</b>          # <b>ln -s /usr/X11R6/bin/Xcfbpmax /usr/X11R6/bin/X</b>
619          # <b>ln -s /dev/fb0 /dev/mouse</b>          # <b>ln -s /dev/fb0 /dev/mouse</b>
# Line 647  will let you boot from the new rootdisk Line 639  will let you boot from the new rootdisk
639  </pre>  </pre>
640    
641  <p>  <p>
642  OpenBSD/pmax seems to work fine with dynamic binary translation (enabled  (Normally, you would be asked about which root device to use (<tt>rz0</tt>),
643  by the <b>-b</b> command line option).  but using <b><tt>-o '-aN'</tt></b> supresses that.)
644    
645  <p>  <p>
 (Normally, you would be asked about which root device to use (rz0), but  
 using -o '-aN' supresses that.)  
 <p>  
646  When asked for which terminal type to use, when logging in as root,  When asked for which terminal type to use, when logging in as root,
647  enter <b>rcons</b> if you are using the graphical framebuffer,  enter <b><tt>rcons</tt></b> if you are using the graphical framebuffer,
648  <b>vt100</b> for text-mode.  <b><tt>vt100</tt></b> for text-mode.
649  <br>Use <b>startx</b> to start X windows.  <br>Use <b><tt>startx</tt></b> to start X windows.
650    
651    
652    
# Line 699  instructions: Line 688  instructions:
688  </pre>  </pre>
689    
690    <li>You now need to make an ISO image of the entire directory you downloaded.    <li>You now need to make an ISO image of the entire directory you downloaded.
691          I recommend using <b>mkisofs</b> for that purpose. If you don't already          I recommend using <tt>mkisofs</tt> for that purpose. If you don't
692          have mkisofs installed on your system, you need to install that in          already have <tt>mkisofs</tt> installed on your system, you need
693          order to do this.<pre>          to install it in order to do this.<pre>
694          $ <b>mkisofs -o openbsd_arc_2.3.iso ftp.se.openbsd.org/pub/OpenBSD/</b>          $ <b>mkisofs -o openbsd_arc_2.3.iso ftp.se.openbsd.org/pub/OpenBSD/</b>
695    
696  </pre>  </pre>
697    <li>Start the emulator using this command line:<pre>    <li>Start the emulator using this command line:<pre>
698          $ <b>gxemul -X -b -E arc -e pica -d obsd_arc.img -d openbsd_arc_2.3.iso \          $ <b>gxemul -X -b -E arc -e pica -d obsd_arc.img -d b:openbsd_arc_2.3.iso -j 2.3/arc/bsd.rd</b>
             ftp.se.openbsd.org/pub/OpenBSD/2.3/arc/bsd.rd.elf</b>  
699    
700  </pre>  </pre>
701          and proceed like you would do if you were installing OpenBSD          and proceed like you would do if you were installing OpenBSD
# Line 724  boot from the harddisk image: Line 712  boot from the harddisk image:
712    
713  </pre>  </pre>
714    
 <p>  
 (The <b>-b</b> command line option enables dynamic binary translation,  
 which isn't always 100% stable, so if things seem buggy you might want  
 to try to remove that from the command line.)  
   
715    
716    
717    
# Line 746  can theoretically run in GXemul on an em Line 729  can theoretically run in GXemul on an em
729  <font color="#ff0000">NOTE: I haven't succeeded with this yet.</font>  <font color="#ff0000">NOTE: I haven't succeeded with this yet.</font>
730    
731  <p>  <p>
 <font color="#0000f0">  
 [&nbsp;2005-02-09: There is no stable release yet of OpenBSD/sgi, but there  
 are -current snapshots available on ftp sites.&nbsp;]</font>  
   
 <p>  
732  GXemul does not yet emulate the AHC PCI SCSI controller in the O2, so  GXemul does not yet emulate the AHC PCI SCSI controller in the O2, so
733  another emulated machine must be used as the nfs root server, and the  another emulated machine must be used as the nfs root server, and the
734  emulated O2 machine must boot as a  emulated O2 machine must boot as a
# Line 759  client. Performing this setup is very ti Line 737  client. Performing this setup is very ti
737    
738  <p>  <p>
739  <ol>  <ol>
740    <li><a href="#netbsdinstall">Install NetBSD/pmax 1.6.2</a> or some other    <li><a href="#netbsdinstall">Install NetBSD/pmax 2.0 from CDROM</a>
741          similar OS inside the emulator. This will be the "nfs server" machine.          (or install some other similar OS) inside the emulator. This will
742            be the "nfs server" machine. Create a 600 MB <tt>/tftpboot</tt>
743            partition during the installation.
744    <p>    <p>
745    <li>Configure the nfs server machine to act as an nfs server.<pre>    <li>Configure the nfs server machine to act as an nfs server.<pre>
746          # <b>echo hostname=blahblah &gt;&gt; /etc/rc.conf</b>          # <b>echo hostname=server &gt;&gt; /etc/rc.conf</b>
747          # <b>echo ifconfig_le0="inet 10.0.0.2" &gt;&gt; /etc/rc.conf</b>          # <b>echo ifconfig_le0=\"inet 10.0.0.2\" &gt;&gt; /etc/rc.conf</b>
748          # <b>echo nameserver 10.0.0.254 &gt;&gt; /etc/rc.conf</b>          # <b>echo nameserver 10.0.0.254 &gt;&gt; /etc/rc.conf</b>
749          # <b>echo 10.0.0.254 &gt; /etc/mygate</b>          # <b>echo 10.0.0.254 &gt; /etc/mygate</b>
750          # <b>mkdir /x; echo /x -maproot=root 10.0.0.1 &gt; /etc/exports</b>          # <b>echo /tftpboot -maproot=root 10.0.0.1 &gt; /etc/exports</b>
751          # <b>echo rpcbind=YES &gt;&gt; /etc/rc.conf</b>          # <b>echo rpcbind=YES &gt;&gt; /etc/rc.conf</b>
752          # <b>echo nfs_server=YES &gt;&gt; /etc/rc.conf</b>          # <b>echo nfs_server=YES &gt;&gt; /etc/rc.conf</b>
753          # <b>echo mountd=YES &gt;&gt; /etc/rc.conf</b>          # <b>echo mountd=YES &gt;&gt; /etc/rc.conf</b>
754          # <b>echo bootparamd=YES &gt;&gt; /etc/rc.conf</b>          # <b>echo bootparamd=YES &gt;&gt; /etc/rc.conf</b>
755          # <b>printf "client root=10.0.0.2:/x \\\n swap=10.0.0.2:/x/swap\n" &gt; /etc/bootparams</b>          # <b>printf "client root=10.0.0.2:/tftpboot \\\n swap=10.0.0.2:/tftpboot/swap\n" &gt; /etc/bootparams</b>
756          # <b>echo 10.0.0.1 client &gt; /etc/hosts</b>          # <b>echo 10.0.0.1 client &gt; /etc/hosts</b>
757    
758          Reboot. Then download the OpenBSD/sgi distribution:          Reboot. Then download the OpenBSD/sgi distribution:  (NOTE: This
759            takes quite some time, even if you have a fast network connection.)
760    
761          # <b>cd /x; ftp -i ftp.se.openbsd.org</b>          # <b>cd /tftpboot; ftp -i ftp.se.openbsd.org</b>
762          ...          ...
763          <b>cd pub/OpenBSD/snapshots/sgi</b>          <b>cd pub/OpenBSD/3.7/sgi</b>
764          <b>mget *</b>          <b>mget *</b>
765    
766          # <b>sh</b>          # <b>sh</b>
# Line 844  TODO... Line 825  TODO...
825    
826    
827    
   
828  <p><br>  <p><br>
829  <a name="ultrixinstall"></a>  <a name="ultrixinstall"></a>
830  <h3>Installing Ultrix/RISC in GXemul:</h3>  <h3>Installing Ultrix/RISC in GXemul:</h3>
# Line 866  The following instructions should let yo Line 846  The following instructions should let yo
846          $ <b>dd if=/dev/zero of=rootdisk.img bs=1024 count=1 seek=800000</b>          $ <b>dd if=/dev/zero of=rootdisk.img bs=1024 count=1 seek=800000</b>
847    
848  </pre>  </pre>
849    <li>Place your Ultrix installation media in your CDROM drive. (I'm assuming    <li>Place your Ultrix installation media in your CDROM drive.
850          it is called /dev/cd0c here, replace that with the name of your          (On FreeBSD and similar systems, it is called <tt>/dev/cd0c</tt>.
851          CDROM drive, or the name of a .iso image file.)          Replace that with the name of your CDROM drive, or the name of a
852          Then, start the emulator like this:<pre>          .iso image file.) Then, start the emulator like this:<pre>
853          $ <b>gxemul -X -b -M64 -E dec -e 3max -d rootdisk.img -d bc:/dev/cd0c -j vmunix</b>          $ <b>gxemul -X -b -M64 -E dec -e 3max -d rootdisk.img -d bc:/dev/cd0c -j vmunix</b>
854    
855  </pre>  </pre>
856    <li>Once the first stage of the installation is done (restoring the root    <li>Once the first stage of the installation is done (restoring the root
857          filesystem), you need to restart the emulator, booting from the          filesystem), you need to restart the emulator, booting from the
858          new rootdisk, to continue the installation process.          new rootdisk, to continue the installation process.
859          This is done by removing the bootflag ('b') from the second          This is done by removing the bootflag ('<tt>b</tt>') from the second
860          diskimage argument:<pre>          diskimage argument:<pre>
861          $ <b>gxemul -X -b -M64 -E dec -e 3max -d rootdisk.img -d c:/dev/cd0c -j vmunix</b>          $ <b>gxemul -X -b -M64 -E dec -e 3max -d rootdisk.img -d c:/dev/cd0c -j vmunix</b>
862    
# Line 891  Ultrix from the harddisk image:<pre> Line 871  Ultrix from the harddisk image:<pre>
871    
872  <p>  <p>
873  Ultrix mostly seems to work with dynamic binary translation (enabled by  Ultrix mostly seems to work with dynamic binary translation (enabled by
874  the <b>-b</b> command line option). If you have a very fast  the <b><tt>-b</tt></b> command line option). If you have a very fast
875  host machine, and use bintrans, you might experience a weird timer related  host machine, and use bintrans, you might experience a weird timer related
876  bug, which makes it impossible to logon to the system. It is triggered  bug, which makes it impossible to logon to the system. It is triggered
877  when the emulation goes faster than any real DECstation machine was  when the emulation goes faster than any real DECstation machine was
878  capable of running. A temporary workaround is to add <b>-I33000000</b>  capable of running. A temporary workaround is to add <b><tt>-I33000000</tt></b>
879  to fix the emulated clock speed to 33 million instructions per emulated  to fix the emulated clock speed to 33 million instructions per emulated
880  second. (When using -CR4400, -I16000000 should be used instead.)  second. (When using <tt><b>-CR4400</b></tt>, <b><tt>-I16000000</tt></b>
881    should be used instead.)
882    
883  <p>  <p>
884  You can experiment with adding <b>-Z2</b> (for emulating a  You can experiment with adding <b><tt>-Z2</tt></b> (for emulating a
885  dual-headed workstation) or even <b>-Z3</b> (tripple-headed), and also the  dual-headed workstation) or even <b><tt>-Z3</tt></b> (tripple-headed), and
886  <b>-Y2</b> option for scaling down the framebuffer windows by a factor 2x2.  also the <b><tt>-Y2</tt></b> option for scaling down the framebuffer
887  There is also a <b>-z</b> option for supplying names of X11 displays to  windows by a factor 2x2.
888  use. The following example starts Ultrix on an emulated tripple-headed  There is also a <b><tt>-z</tt></b> option for supplying names of X11
889  workstation, on three different displays (remote1:0.0, localhost:0.0, and  displays to use. The following example starts Ultrix on an emulated
890  remote2:0.0), using no scaledown:<pre>  tripple-headed workstation, on three different displays (<tt>remote1:0.0</tt>,
891    <tt>localhost:0.0</tt>, and <tt>remote2:0.0</tt>), using no scaledown:<pre>
892          $ <b>gxemul -M64 -bN -E dec -e 3max -jgenvmunix -d rootdisk.img \          $ <b>gxemul -M64 -bN -E dec -e 3max -jgenvmunix -d rootdisk.img \
893              -XZ3 -z remote1:0.0 -z localhost -z remote2:0.0</b>              -XZ3 -z remote1:0.0 -z localhost:0.0 -z remote2:0.0</b>
894  </pre>  </pre>
895    
896  <p>  <p>
897    The photo below shows a single Ultrix session running tripple-headed in
898    GXemul on an Alpha 21164PC, with displays on a Sun Ultra1 (to the left),
899    on the Alpha itself (in the middle), and on an HP700/RX X-terminal (8-bit
900    color depth, running off the Alpha) to the right.
901    
902    <p>
903    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
904    <a href="20041209-ultrix-tripplehead.jpg"><img src="20041209-ultrix-tripplehead_small.jpg"></a>
905    
906    <p>
907  The X11 displays may differ in bit depth and endianness. Unfortunately,  The X11 displays may differ in bit depth and endianness. Unfortunately,
908  there is no way yet to set the scaledown factor on a per-window basis, so  there is no way yet to set the scaledown factor on a per-window basis, so
909  the scaledown factor affects all windows.  the scaledown factor affects all windows.
910    
911  <p>  <p>
912  (If you didn't use -Z<i>n</i> during the installation, and  (If you didn't use <tt><b>-Z<i>n</i></b></tt> during the installation, and
913  compiled your own /vmunix, then it will not contain support for multiple  compiled your own <tt>/vmunix</tt>, then it will not contain support for
914  graphics cards. To overcome this problem, use the generic kernel, <b>-j  multiple graphics cards. To overcome this problem, use the generic kernel,
915  genvmunix</b>, whenever you are running the emulator with a different  <tt><b>-j genvmunix</b></tt>, whenever you are running the emulator with a
916  setup than the one you used when Ultrix was installed.)  different setup than the one you used when Ultrix was installed.)
917    
918  <p>  <p>
919  A note for the historically interested: OSF/1 for MIPS was quite similar  A note for the historically interested: OSF/1 for MIPS was quite similar
920  to Ultrix, so that is possible to run as well.  If you are unsuccessful  to Ultrix, so that is possible to run as well.  If you are unsuccessful
921  in installing Ultrix or OSF/1 directly in the emulator, you can always  in installing Ultrix or OSF/1 directly in the emulator, you can always
922  install it on your real machine onto a real SCSI disk, and then copy the  install it on your real machine onto a real SCSI disk, and then copy the
923  contents of that SCSI disk into a file (using <b>dd(1)</b>), and use  contents of that SCSI disk into a file (using <b><tt>dd(1)</tt></b>), and use
924  that file as a disk image file in the emulator.  that file as a disk image file in the emulator.
925    
926    
# Line 960  The following instructions should let yo Line 952  The following instructions should let yo
952  <ol>  <ol>
953    <li>Download the Sprite harddisk image using ftp or http:<pre>    <li>Download the Sprite harddisk image using ftp or http:<pre>
954          <a href="http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite/">http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite</a>/<a href="http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite/ds5000.bt">ds5000.bt</a>          <a href="http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite/">http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite</a>/<a href="http://www.es.embnet.org/Services/ftp/misc/TUHS/other_os/Sprite/ds5000.bt">ds5000.bt</a>
955          or <a href="ftp://ftp.es.embnet.org/misc/TUHS/other_os/Sprite/ds5000.bt">ftp://ftp.es.embnet.org/misc/TUHS/other_os/Sprite/ds5000.bt</a>          or <a href="ftp://ftp.es.embnet.org/pub/misc/TUHS/other_os/Sprite/ds5000.bt">ftp://ftp.es.embnet.org/pub/misc/TUHS/other_os/Sprite/ds5000.bt</a>
956          83973120 bytes, MD5 = ec84eeeb20fe77b758370d5e312e4a5e          83973120 bytes, MD5 = ec84eeeb20fe77b758370d5e312e4a5e
957    
958  </pre>  </pre>
# Line 998  following sad statement can be found: Line 990  following sad statement can be found:
990  Once you are logged in as root, running <b>xinit</b> will start the X11  Once you are logged in as root, running <b>xinit</b> will start the X11
991  environment.  environment.
992    
 <p>  
 Sprite works fine with dynamic binary translation (enabled by  
 adding <b>-b</b> to the command line options).  
   
993    
994    
995    
# Line 1014  adding <b>-b</b> to the command line opt Line 1002  adding <b>-b</b> to the command line opt
1002  unstable. During my tests, even pressing the wrong key during the install  unstable. During my tests, even pressing the wrong key during the install
1003  (for example the wrong cursor key) can cause a kernel Oops.  (for example the wrong cursor key) can cause a kernel Oops.
1004  I <i>think</i> this has to do with interrupts from the serial controller.  I <i>think</i> this has to do with interrupts from the serial controller.
1005  Hopefully using the -U command line option will reduce the risk for such  Hopefully using the <tt><b>-U</b></tt> command line option will reduce the
1006  crashes. (I haven't had time to come up with a clean solution to this yet;  risk for such crashes. (I haven't had time to come up with a clean
1007  it feels like a buffer overflow in Linux' serial driver for the 5000/200,  solution to this yet; it feels like a buffer overflow in Linux' serial
1008  but it is also likely that it is a bug in GXemul.)  driver for the 5000/200, but it is also likely that it is a bug in GXemul.)
1009  </font>  </font>
1010    
1011  <p>  <p>
# Line 1060  onto a harddisk image: Line 1048  onto a harddisk image:
1048    
1049  <p>  <p>
1050  Debian GNU/Linux on DECstation works reasonably fine with dynamic  Debian GNU/Linux on DECstation works reasonably fine with dynamic
1051  binary translation, enabled by the <b>-b</b> command line option. (Without  binary translation, enabled by the <b><tt>-b</tt></b> command line option.
1052  this option, the emulator might be less buggy, but also too slow to be  (Without this option, the emulator might be less buggy, but also too slow
1053  useful when running Linux as a guest OS.)  to be useful when running Linux as a guest OS.)
1054    
1055  <p>  <p>
1056  (If you want to, you can try <b>-X</b> instead of <b>-o 'console=ttyS3'</b> on  (If you want to, you can try <b>-X</b> instead of <b>-o 'console=ttyS3'</b> on
# Line 1136  Kaj-Michael Lang noticed that the curren Line 1124  Kaj-Michael Lang noticed that the curren
1124  <a href="http://www.linux-mips.org/">linux-mips</a> has  <a href="http://www.linux-mips.org/">linux-mips</a> has
1125  support for keyboards now, on DECstation 5000/200, so it is  support for keyboards now, on DECstation 5000/200, so it is
1126  possible to run Debian GNU/Linux with framebuffer/keyboard.  possible to run Debian GNU/Linux with framebuffer/keyboard.
1127  (Add -X (or -XY2) and remove the console=ttyS3 option.)  (Add <b><tt>-X</tt></b> (or <b><tt>-XY2</tt></b>) and remove the
1128  He has made a kernel available here:  <b><tt>console=ttyS3</tt></b> option.) He has made a kernel available here:
1129  <a href="http://home.tal.org/~milang/o2/patches/vmlinux-2.4.29-rc2-r3k-mipsel-decstation">  <a href="http://home.tal.org/~milang/o2/kernels/vmlinux-2.4.29-rc2-r3k-mipsel-decstation">
1130  http://home.tal.org/~milang/o2/patches/vmlinux-2.4.29-rc2-r3k-mipsel-decstation</a>  http://home.tal.org/~milang/o2/kernels/vmlinux-2.4.29-rc2-r3k-mipsel-decstation</a>
1131  It has other problems (ethernet doesn't seem to work, for  It has other problems (ethernet doesn't seem to work, for
1132  example), but at least it doesn't Oops that often.&nbsp;]  example), but at least it doesn't Oops that often.&nbsp;]
1133    
# Line 1153  example), but at least it doesn't Oops t Line 1141  example), but at least it doesn't Oops t
1141  <h3>Running Redhat Linux for DECstation in GXemul:</h3>  <h3>Running Redhat Linux for DECstation in GXemul:</h3>
1142    
1143  <font color="#ff0000">NOTE: This is experimental, and <i>extremely</i>  <font color="#ff0000">NOTE: This is experimental, and <i>extremely</i>
1144  unstable. Read the note about '-U' in the section on how to install  unstable. Read the note about <b><tt>-U</tt></b> in the section on how to
1145  Debian.  install Debian.
1146  </font>  </font>
1147    
1148  <p>  <p>
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