125 lines
4.9 KiB
Plaintext
125 lines
4.9 KiB
Plaintext
You will need an AmigaDOS hard drive prep tool to prepare you 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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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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/local if you have the space. (The root and swap partitions must
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be on the same drive for your initial installation. You can use
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other configurations after building a customized kernel once your
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system is running.)
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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.
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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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Mask and maxtransfer are not used with NetBSD.
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Until you compile your own kernel your swap partition
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must exist on the drive that also holds your root
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partition.
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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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fileystem 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 appropriate
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miniroot file system (inst-12.fs for a new install or upgr-12.fs
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for an upgrade) is transferred to the swap partition configured
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during the hard disk prep (or the existing swap partition in
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the case of an upgrade). The xstreamtodev utility provided in
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the "amiga/utilities" directory can be used on AmigaDOS to
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transfer the file system for either a new installation or an
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upgrade. The file system can also be transferred on an existing
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NetBSD system for an update by using dd. This should only be
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done after booting NetBSD into single-user state. It may also
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be possible to shutdown to single-user, providing that the
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single-user state processes are not using the swap partition.
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On AmigaDOS, the command:
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xstreamtodev --input=inst-12.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. Use upgr-12.fs if you
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are going to do an upgrade of an existing NetBSD system. If
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xstreamtodev is unable to determine the SCSI driver device
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name or the unit number of the specified partition, you may
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also need to include the option "--device=<driver.name>" and/or
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"--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=upgr-12.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. NOTE: the
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release kernel is a "generic" kernel, and requires that the
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swap partition be on the same device as the root partition.
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