130 lines
4.9 KiB
Plaintext
130 lines
4.9 KiB
Plaintext
You will need an AmigaDOS hard drive prep tool to prepare your hard
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drives for use with NetBSD/Amiga. HDToolBox is provided with the
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system software and on floppy installation disks since Release 2.0
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of AmigaDOS, so we will provide instructions for its use.
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Preparing you hard disk with HDToolBox:
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A full explanation of HDToolBox can be found with your
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AmigaDOS manuals and is beyond the scope of this document.
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The first time you partition a drive, you need to set its drive
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type so that you have working geometry parameters. To do this
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you enter the "Change drive type" menu, and either use "read
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parameters from drive" or set them manually.
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Note you will be modifying your HD's. If you mess something
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up here you could lose everything on all the drives that
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you configure. It is therefore advised that you:
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Write down your current configurations. Do this
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by examining each partition on the drive and the
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drives parameters (from Change drive type.)
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Back up the partitions you are keeping.
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What you need to do is partition your drives; creating at least
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root, swap and /usr partitions and possibly at least one more for
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/usr/local if you have the space.
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This should be done as the HDToolBox manual describes. One thing
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to note is that if you are not using a Commodore controller you
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will need to specify the device your SCSI controller uses, e.g.
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if you have a Warp Engine you would:
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from cli,
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hdtoolbox warpdrive.device
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from wb set the tooltype,
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SCSI_DEVICE_NAME=warpdrive.device
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The important things you need to do above and beyond normal
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partitioning includes (from Partition Drive section):
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Marking all NetBSD partitions as non-bootable, with
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two exceptions: the root partition, if you want to boot
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NetBSD directly, or the swap partition, if you want
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to boot the installation miniroot directly.
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Changing the file system parameters of the partitions
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to NetBSD ones. This must be done from the
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partitioning section and `Advanced options' must
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be enabled. To Make the needed changes:
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- Click the `Adv. Options' button
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- Click the `Change file system' button
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- Choose `Custom File System'
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- Turn off `Automount' if on.
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- Set the dostype to one of these three choices:
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root partition : 0x4e425207
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swap partition : 0x4e425301
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other partitions: 0x4e425507
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Here `other' refers to other partitions you will
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format for reading and writing under NetBSD (e.g.
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/usr)
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Make sure you hit the return key to enter this value
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as some versions of HDToolBox will forget your entry
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if you don't.
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- Turn custom boot code off
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- Set Reserved Blocks start and end to 0.
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- Click Ok.
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On the root (and, for installation, swap) partition,
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set instead this:
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- Turn custom boot code on
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- Set Reserved Blocks start and end to 0.
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- Set Number of Custom Boot Blocks to 16
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- Set Automount This Partition on
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- Click Ok.
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Mask and maxtransfer are not used with NetBSD.
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Once this is done NetBSD/Amiga will be able to recognize your
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disks and which partitions it should use.
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Transferring the miniroot file system:
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The NetBSD/Amiga installation or upgrade now uses a "miniroot"
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file system which is installed on the partition used by NetBSD
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for swapping. This removes the requirement of using a floppy
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disk for the file system used by the installation or upgrade
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process. It also allows more utilities to be present on the
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file system than would be available when using an 880K floppy
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disk.
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Once the hard disk has been prepared for NetBSD, the miniroot
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file system (miniroot.fs) is transferred to the swap
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partition configured during the hard disk prep (or the existing
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swap partition in the case of an upgrade). The xstreamtodev
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utility provided in the "amiga/installation/misc" directory can
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be used on AmigaDOS to transfer the file system for either a new
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installation or an upgrade. The file system can also be
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transferred on an existing NetBSD system for an update by
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using dd. This should only be done after booting NetBSD
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into single-user state. It may also be possible to shutdown
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to single-user, providing that the single-user state processes
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are not using the swap partition.
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On AmigaDOS, the command:
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xstreamtodev --input=miniroot.fs --rdb-name=<swap partition>
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where <swap partition> is the name you gave to the NetBSD
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partition to be used for swapping. If xstreamtodev is unable
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to determine the SCSI driver device name or the unit number
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of the specified partition, you may also need to include the
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option "--device=<driver.name>" and/or "--unit=<SCSI unit number>".
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To transfer the miniroot using NetBSD, you should be booted up
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in single user state on the current NetBSD system, or use the
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"shutdown now" command to shutdown to single-user state. Then
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copy the miniroot using dd:
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dd if=miniroot.fs of=/dev/rsd0b
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where /dev/rsd0b should be the device path of the swap partition
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your system is configured to use. Once the file is copied,
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reboot back to AmigaDOS to boot the upgrade kernel.
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