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From: Julian Elischer <julian@ref.tfs.com>
Message-Id: <199510130520.WAA06691@ref.tfs.com>
Subject: Re: IPX now available
To: terry@lambert.org (Terry Lambert)
Date: Thu, 12 Oct 1995 22:20:41 -0700 (PDT)
Cc: terry@lambert.org, jhay@mikom.csir.co.za, hackers@FreeBSD.ORG
In-Reply-To: <199510130214.TAA16568@phaeton.artisoft.com> from "Terry Lambert" at Oct 12, 95 07:14:00 pm
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> 
> 
> The linker set for protocol domains is, in fact, broken.  Try adding IPX.
actually I added a TFS specific protocol yesterday..
seemed to work ok..
> 
> The linker set for file systems is also broken, mostly because the callback
> system in vfs_init.c is broken (inherited broken code from 4.4BSD-Lite).
> 
> 
> 
> OK.  Start with the general.  What is a loadable kernel component?
> 
> 
> A loadable kernel component is code that when loaded sets itself up as
> if it had always been there, and if unloaded, removes itself as if it
> had never been there.
[..]
> 
> Probe includes:
> a)	determination of IRQ(s) used by a single device instance before
> 	attach.
BSD4.3 did this on VME and DEC busses
It's harder when the system is already going and interrupts are in use..

> b)	determination of DRQ(s) used by a single device instance before
> 	attach.
this one gets really difficult.
> c)	determination of I/O address range(s) used by a single device
> 	instance before attach.
[.....]
ok, well it's all true..
and I'm slowely moving in that direction
but you see there's the JOB I keep having to do...

julian