From mboxrd@z Thu Jan  1 00:00:00 1970
From: ron minnich <rminnich@lanl.gov>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Virtual PC 6 PCI device probe failure
In-Reply-To: <FC86BD40-A746-11D7-8B4F-000393D34A62@orthanc.ab.ca>
Message-ID: <Pine.LNX.4.44.0306251431450.1241-100000@maxroach.lanl.gov>
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Date: Wed, 25 Jun 2003 14:32:36 -0600
Topicbox-Message-UUID: dc0bdd02-eacb-11e9-9e20-41e7f4b1d025

On Wed, 25 Jun 2003, Lyndon Nerenberg wrote:

> > This matters on Plan9
> > because it does raw accesses to probe the PCI space whereas other
> > operating systems
> > do BIOS calls to obtain that information.
>
> And FreeBSD finds the hardware just fine, using the BIOS interface.
>
> I now vaguely remember a discussion here a long while back about why
> the BIOS wasn't used for this. Was it to do with broken BIOS code?

There are lots of reasons not to use the bios, related to broken code,
broken tables, ... the list goes on. The one I care about is I don't
support those bios calls :-)

I prefer what Plan 9 does in this case to what FreeBSD does. More
portable.

ron