[1401] in NetBSD-Development
Generating custom install material
daemon@ATHENA.MIT.EDU (Greg Hudson)
Sun Nov 3 03:57:28 1996
Date: Sun, 3 Nov 1996 03:57:03 -0500
From: Greg Hudson <ghudson@MIT.EDU>
To: netbsd-dev@MIT.EDU
Okay, the NetBSD 1.2-based Athena release isn't out yet (still
trudging along, give it another week or two), but when it is, this is
how to create custom install stuff when a user requests an install for
a card at a nonstandard location:
* Log into a NetBSD machine as root. I believe any NetBSD
machine should do, although I've only tested machines
running NetBSD 1.2 so far.
* Pick a name for the custom image directory, e.g. "ed-irq9".
* Run:
attach netbsd
/mit/netbsd/bin/custominst NAME DRIVER UNIT FIELD VALUE
where NAME is the name you chose, DRIVER is a driver
name like "ed", UNIT is the unit number (2 for ed2, etc.),
FIELD is "port", "iomem", or "irq", and VALUE is the value
you want to change the field to.
As an example, here's how I generated the ed-irq5 custom
directory, to set the IRQ of ed2 to 5:
/mit/netbsd/bin/custominst ed-irq5 ed 2 irq 5
custominst takes a couple of minutes to run. If all goes
well, it should give no output. If it can't find the device
or unit number you gave it, it will give an error message,
so you shouldn't need to worry about it failing to make any
changes. If it fails for any reason, it will usually leave
behind a directory named /var/tmp/custom-PID in case you
want the remnants.
* The custom install images and kernels should appear in
/mit/netbsd/release/athena-7.7.2/i386/custom/NAME. Don't
move this directory around; the install disk images know
where their kernels lives in AFS, and will retrieve the
correct one automatically at install time.
The command "tweak" can be used to change the device of a kernel (same
parameters as custominst, except the first parameter is the kernel
name), and the command "devdisplay" can be used to display a kernel
device specification ("devdisplay athena-adp ed 2", for example). If
you're paranoid, you can run devdisplay on the athena-adp or
athena-other in the custom directory to verify that the change you
wanted was made.
Note that custominst is specifically tuned for the NetBSD 1.2-based
release, and does not apply to the NetBSD 1.1-based release at all.
The "kerntweak" command still works on 1.1 kernels (I had replaced its
cfstub.o for a few days, but I put the old one back this evening).
