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Re: Generic DECstation kernel? (was: patch-linux-2.1.100_pl5)

To: linux-mips@fnet.fr
Subject: Re: Generic DECstation kernel? (was: patch-linux-2.1.100_pl5)
From: Thomas Riemer <triemer@apt4g.a3nyc.com>
Date: Sat, 5 Sep 1998 08:50:41 -0400 (EDT)
In-reply-to: <199809050808.KAA05163@fourier.numerik.math.uni-siegen.de>
Anyway you look at - Harald is right - we need a "meta" file sercons.c
that independently arbitrates the various choices... Already existing...
promcon.c,tc.c,dz.c

-Tom

-----------------------------------------------------------------------
Given enough eyeballs all bugs seem shallow.

On Sat, 5 Sep 1998, Michael Engel wrote:

> 
> > On Fri, 4 Sep 1998, Harald Koerfgen wrote:
> > 
> > > We now have serial consoles running on DZ based as well as Z8530 based
> > > DECstations and I'd like to kick out the PROM console for various reasons.
> > 
> > I think its probably valuable to hold on the PROM console routines
> 
> I agree. It should at least help getting the people with so far unsupported
> machines started. It's less frustrating if you at least see something on
> the screen when you start hacking ;-).
> 
> > In terms of this "undefined" behavior - Really we should have some 
> > that has the logic something like:
> > 
> > 1. Does my machine have TC interface and the option ---> 
> >      ok, then use the TC driver - bind serial_console_init.
> 
> Hmmm, we can easily determine if the machine has a TC option - AFAIK the only
> machines without TC support were the 2100/3100 and that weird Q-Bus based
> DECstation (5100 ?).
> 
> But what about the people who are using a graphics console/keyboard ? They
> probably prefer to use prom console instead of attaching a terminal, so
> we could already determine which console to use based on the (os)console
> environment variable ... (And it's finally time for me to merge my
> DS2100/3100 graphics console code and bring it up to date with the vfb code !)

> 
> > 2. Does my machine have DZ interface && and the option --->
> >      ok, then use the DZ driver - bind serial_console_init.
> > Otherwise
> > 
> > 3. use the promcon stuff.
> 
> regards,
>       Michael
> 

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