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Re: dependency on rs_init

To: "Gleb O. Rajko" <rajko@mech.math.msu.su>, linux-mips@fnet.fr
Subject: Re: dependency on rs_init
From: ralf@uni-koblenz.de
Date: Fri, 28 Aug 1998 01:54:54 +0200
In-reply-to: <Pine.SV4.3.91.980827132232.9499A-100000@mech>; from Gleb O. Rajko on Thu, Aug 27, 1998 at 01:38:31PM +0400
References: <XFMail.980826200009.harald.koerfgen@netcologne.de> <Pine.SV4.3.91.980827132232.9499A-100000@mech>
On Thu, Aug 27, 1998 at 01:38:31PM +0400, Gleb O. Rajko wrote:

> > The other one is using the PROM routines (works on all DECstations). This is
> > what promcon.c in arch/mips/dec is for and is intended as a temporary
> > solution until we have charakter device drivers to use as console devices 
> > for
> > all DECstations. 
> 
> Why temporary solution ? My experience shows prom console is good 
> enough to have it permanently. It's bug free, the code is small, higher 
> console code allows to emulate linux-like terminal on top of prom console.
> I would recommend to look at SPARC/Linux code beginning from 2.1.109 
> (according to vger cvs tree, I don't know what is Linus' version that 
> corresponds to). Around this version console stuff was rewritten and became 
> more clear. Now, SPARC/Linux allows to have several consoles: prom, 
> sbus and ATI Mach (available only on UltraSparc). There are also
> run-time options to select, something like console=prom.

I've just this Tuesday commited a patch of > 13mb which upgrades the kernel
to 2.1.117 to sgi-cvs, so the DECstation people probably haven't yet merged
their kernels with that code.

Having a prom console looks worthwile for MIPS as well.

  Ralf

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