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Subject: Re: cvs commit: src/sys/i386/isa isa.h
To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes)
Date: Wed, 14 Jun 1995 11:18:22 +0000 (GMT)
From: "Soeren Schmidt" <sos@kmd-ac.dk>
Cc: bde@freefall.cdrom.com, CVS-commiters@freefall.cdrom.com,
        cvs-sys@freefall.cdrom.com
In-Reply-To: <199506140821.BAA00829@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Jun 14, 95 01:20:59 am
From: sos@freebsd.org (Soren Schmidt)
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In reply to Rodney W. Grimes who wrote:
> 
> > 
> > bde         95/06/14 00:38:32
> > 
> >   The i/o sizes are unreliable because of split address ranges
> >   for many devices (VGA, wd).
> 
> VGA???  Maybe if you consider the fact that the ``syscons'' driver
> should be split so that we don't have both the VGA ports and the
> Keyboard ports all in one driver (along with a ton of architecual
> reasons to split this out).

Hmm, as far as I see it there is no cleancut way to separate this into
multible drivers (or maybe I need someone explain it to me :-)
Either you have it like it is now, or you will have to have some
"interdriver" functionality to allow multiple drivers to muck with the
same hardware. A system to send messages between the drivers would also
be nessesary (ie user presses key to switch screen, a request for that
must be sent to the display driver, etc etc etc) Either way its a mess. 
The way it is now reflects the way the user see's devices (console, 
PCMaudio, mouse, whatever).
But anyhow, I'm open to suggestions as usual...

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Soren Schmidt      (sos@FreeBSD.org | sos@kmd-ac.dk)      FreeBSD Core Team
..