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Date:      Thu, 5 Nov 1998 09:06:58 +0000 (GMT)
From:      Doug Rabson <dfr@nlsystems.com>
To:        Mike Smith <mike@smith.net.au>
Cc:        Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, Peter Wemm <peter@netplex.com.au>, Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>, sos@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/modules/syscons saver.h ... 
Message-ID:  <Pine.BSF.4.01.9811050904451.19324-100000@herring.nlsystems.com>
In-Reply-To: <199811042310.PAA02488@dingo.cdrom.com>

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On Wed, 4 Nov 1998, Mike Smith wrote:

> > > 
> > > ...where sc0 knows how to poke around and find the appropriate
> > > keyboard and framebuffer devices and graft itself on top.
> > 
> > This would be really nice (but I think the unit numbers should be '?'
> > instead of explicitly specified) and I have daydreamed in this direction
> > before. I always wake up when I try to think about how to get the console
> > working. The console is probed and initialised well before the device tree
> > is configured.  For debugging, we really need a working console with
> > keyboard before main() gets called.
> 
> I'm still very much of the opinion that stuff shouldn't have to be 
> mentioned in the config file at all; that all that the config file 
> specifies is what gets aggregated into the kernel object.

I agree about that.  The description of what is attached to what is
correct though.

> 
> Then you just want a linker set of all the console-like devices, a 
> pointer to the current console in the set, and a hint for initialising 
> the pointer which can come in from the bootstrap.  The backdoor-style
> minimal console functionality is more or less essential; I don't think 
> we can escape this reality.

I still think it will be difficult to have a USB keyboard on the
console...

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 951 1891
					Fax:   +44 181 381 1039


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