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To: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
cc: krygier@kph.uni-mainz.de, questions@FreeBSD.ORG
Subject: Re: special memory device 
In-reply-to: Your message of "Tue, 15 Apr 1997 05:16:52 CDT."
             <199704151016.FAA16079@iworks.InterWorks.org> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 15 Apr 1997 03:33:13 -0700
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>>    In order to do this you'd have to go poking around in the PCI registers of
>> all of the devices that were found and create the map. This doesn't sound
>> like much fun.
>
>Why can't it be done at device probe time?  I think the existing PCI
>code can tell what addresses are being (or can be) used by checking
>the appropriate register in the PCI config address space.  It already
>does this if you boot verbose, doesn't it?

   I didn't mean to suggest that it couldn't be done there, only that it
needed to be done since such a map doesn't currently exist in the kernel.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project