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Date:      Thu, 08 Oct 1998 11:14:40 -0500
From:      Chris Csanady <ccsanady@friley-185-114.res.iastate.edu>
To:        freebsd-alpha@FreeBSD.ORG
Subject:   Physical/bus addressing questions..
Message-ID:  <199810081614.LAA09578@friley-185-114.res.iastate.edu>

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I have come across a couple of things while trying to port a driver
to the alpha, and was wondering if someone has any insight.

First of all.. Is there any way to determine the address length at
preproccessor time?

Also, on the alpha--what is the proper way to deal with the bus
addresses?  In particular, are the phsical addresses mapped into 32
bits somehow for the pci bus?  I have some 64 bit pci cards and was
wondering what would be the best way to handle this.  

Thanks,
Chris Csanady




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