2001-04-10 05:04:59 +04:00
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<HTML>
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<HEAD>
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
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<META NAME="Author" CONTENT="Kevin Lawton">
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2001-09-11 02:12:59 +04:00
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<TITLE>Help on installing Minix 2.0 in Bochs</TITLE>
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2001-04-10 05:04:59 +04:00
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</HEAD>
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<BODY TEXT="#000000" BGCOLOR="#ececec" LINK="#3333cc" VLINK="#666666">
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<H1>
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<CENTER>
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Help on installing Minix 2.0 in Bochs
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</CENTER>
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</H1>
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<PRE>
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For questions about Minix in general, to obtain Minix distribution files,
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and other issues, check out <A HREF="http://www.cs.vu.nl/~ast/minix.html">http://www.cs.vu.nl/~ast/minix.html</A>
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<B>NOTE: Please read message regarding licensing of software packages
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which you run within Bochs, and use of temporary files created to
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facilitate installation. <A HREF="3rdparty.license.html">3rd Party Software Licensing and Temporary Files</A></B>
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What you will need before you start:
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* ROOT, USR
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Minix 2.0 ROOT & USR boot floppy image files. These image
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files represent a bootable Minix root (/) floppy, and a (/usr)
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partition - just enough to get you up and running to begin
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installing the rest.
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* USR.TAZ (The rest of the necessary Minix distribution files to provide
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a full Minix system.)
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* SYS.TAZ (optional) system sources
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* CMD.TAZ (optional) command sources
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* A '.bochsrc' files something like:
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megs: 8
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boot: c
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diskc: file=../30M.minix2.0, cyl=615, heads=6, spt=17
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floppya: 1_44=../1.44
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#log: /dev/null
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log: ./bochs.out
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hga_update_interval: 250000
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keyboard_serial_delay: 200
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vgaromimage: bios/VGABIOS-elpin-2.00A
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romimage: bios/rombios.bin
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* Compile Bochs and setup for the Minix environment
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<A HREF="install.html#Compiling source code">Compiling source code</A>
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<A HREF="install.html#Setting up environment">Setting up environment before running</A>
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Getting down to business, you need to break up the 'USR.TAZ' distribution
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into chunks big enough to fit on your 1.44Meg floppy. Use "dd" for this.
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Basically you supply a block-size of 1.44Megs, read in and write out only
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one block (the size of a whole floppy). You have to do this multiple
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times, each time telling "dd" to skip one more chunk than before. I
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had to create 3 files, the last of which will be only partially full:
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dd if=USR.TAZ of=USR.00 bs=1440k count=1 skip=0
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dd if=USR.TAZ of=USR.01 bs=1440k count=1 skip=1
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dd if=USR.TAZ of=USR.02 bs=1440k count=1 skip=2
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Create a combined root/usr boot floppy. Combined,
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both files equal the size of a 1.2Meg floppy, but you
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can just combine them and use them as a 1.44Meg floppy.
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cat ROOT USR > 1.44 # same path as 'floppya:' directive in '.bochsrc'.
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Create an empty 30Meg hard disk image file with same path
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as 'diskc:' directive in '.bochsrc'.
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dd if=/dev/zero of=30M.minix2.0 bs=512 count=62730
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Boot from the root/usr floppy boot floppy.
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bochs boot:a
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At the boot monitor, type '=' key to continue.
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Minix boot monitor 2.5
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Press ESC to enter the monitor
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Hit a key as follows:
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= Start Minix
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Minix will partially boot, then ask:
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Finish the name of device to mount as /usr: /dev/
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Type 'fd0c', which is the second (/usr) partition on the boot floppy
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you made (the USR disk).
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Minix should be fully booted to the login prompt:
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noname login:
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Type 'root', no password is needed.
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Now, since I don't yet support hardware scrolling under VGA text
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emulation, type the F3 key, which will turn on software scrolling.
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The following message will be displayed:
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Software scrolling enabled.
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You can type an optional Return, to get to a new line, since that
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message popped up, but you don't need to.
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Now enter the setup utility, by typing 'setup'.
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A series of notes are printed and a ':'. After you read the
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messages, type a Return.
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Minix now asks you what kind of keyboard you have. Type Return
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to accept the default (us-std).
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You are now informed that you'll be put in the program 'part',
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which can partition your hard disk image file for you. Just
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type 'Return'.
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You should be in 'part'. Type 'r', to read the partition table off
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of /dev/hd0. Don't worry about a message like
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'dev/hd0: Invalid partition table (reset).
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Since you have a blank disk image, that is to be expected.
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Unfortunately, I don't implement the cursor for VGA text mode yet,
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so you'll have to trust me on this one. Type:
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'down-arrow' once displays "Active flag" in the top left corner
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'right-arrow' once displays "Hex partition type"
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'8' '1' displays a partition type of "MINIX"
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'right-arrow' over until "Starting Head" is displayed
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'1' to change the starting head to 1 (leave track #0 free)
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'right-arrow' over until "Kb" is displayed
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'm' until the fields are maximized
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'w' to write partition table to disk.
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(you'll see a warning message)
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Warning: About to write a new table on /dev/hd0
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Save partition table? (y/n)
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'y' to accept
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'q' to quit "part" program
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Minix should be now asking you to type in the partition you created:
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Please finish the name of the primary partition you have created:
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(Just type RETURN if you want to rerun "part") /dev/
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Type 'hd1' and Return to complete the device path. A message is then
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displayed telling you setup will carve up the partition you just created,
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into two sub-partitions. This is OK. Type Return.
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Scanning /dev/hd1c for bad blocks...
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You can let this take it's course or type the 'Del' key if it works,
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to skip. Next setup wants to know about your memory size.
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What is the memory size of this system in kilobytes? [4096 or more]
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Providing you're running Bochs emulating >= 4Megs of memory, just type Return.
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Now you should see the final message:
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Please insert the installation ROOT floppy and type 'halt' to exit Minix.
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You can type 'boot hd1' to try the newly installed Minix system. See
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"TESTING" in the usage manual.
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You already have the root/boot floppy image in place. Type 'halt'.
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Then type 'boot hd1', then '=' at the boot monitor to continue with the
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boot. You should be back at the login prompt, only this time you just
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booted from the hard disk image.
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noname login:
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Login as root, no password needed.
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NOTE: You'll need to keep typing the F3 key to turn on Software
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Scrolling every time you fire up Minix. Type it now.
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Complete the setup process by typing 'setup /usr'.
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What is the size of the images on the diskettes? [all]
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Type Return, since you're using the whole diskette.
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What floppy drive to use? [0]
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Type Return since you're using floppy #0. (A:)
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Please insert input volume 1 and hit return
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OK, now whenever setup asks for a new volume, you just go to
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your workstation, and copy the next volume in the series, overwriting
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the 1.44Meg floppy image file.
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unix-> cp USR.00 /path/1.44
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Then type Return in the bochs window to continue. Just continue
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doing this until setup is done. For example:
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[Please insert input volume 2 and hit return]
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unix-> cp USR.01 /path/1.44
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[Return in Bochs window]
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[Please insert input volume 3 and hit return]
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unix-> cp USR.02 /path/1.44
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[Return in Bochs window]
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When setup is completed, you should see the message:
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Done.
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and a root prompt '#'. At this point, halt the system and
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try one more boot if you'd like:
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# halt
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Type a couple Ctrl-C's in the the window you fired up bochs in.
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Now fire up Bochs again, this time booting the hard drive directly:
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bochs boot:c
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As usual, type '=' to continue the boot process.
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Go nuts!
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</PRE>
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</BODY>
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</HTML>
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