Subject: Re: Booting from IDE on Multia
To: Wilko Bulte <wilko@yedi.iaf.nl>
From: David Brownlee <abs@netbsd.org>
List: port-alpha
Date: 02/15/2000 21:16:42
Would it be feasible to build a special multa bootloader that
used the old buggy milo PALcode to load the kernel? Once was
loaded everything could switch to SRM?
David/absolute
On Tue, 15 Feb 2000, Wilko Bulte wrote:
> On Tue, Feb 15, 2000 at 02:14:12PM -0500, Jon Lindgren wrote:
> > On Tue, 15 Feb 2000, Guan Yang wrote:
> >
> > > The guy who wrote http://www.multimania.com/multia uses Linux, and he
> > > boots that weird operating system from an IDE drive in his Multia. He
> > > confirmed this to me via email.
> > >
> > > But the NetBSD FAQs suggest that this is not possible; perhaps only
> > > Linux can boot from IDE on Multia?
> >
> > I believe this stems from the fact that NetBSD boots from the SRM, while
> > Linux boots from the ARC. IIRC, the ARC firmware understands how to talk
> > to the IDE controller while the SRM doesn't. Using the ARC for NetBSD
> > requires that we write a new piece of abstraction code (the PAL, I think),
> > which I believe to be rather difficult. I think Linux either 1) has a
> > custom one, or 2) uses the NT PAL code.
>
> Linux uses an old PAL code from the EvaluationBoard days (IIRC). To make
> things more fun PALcode tends to be heavily machine dependent.
>
> --
> Wilko Bulte Arnhem, The Netherlands
> WWW : http://www.tcja.nl
>