On Thu, Feb 12, 2004 at 07:40:41PM +0530, Anand Lalgondar wrote:
> 
> > 
> > bus_space already has this. But it can't keep track of memory mapped
> > for devices not (yet) attached.
> > 
> The on-chip devices and the on-board devices will be allocated some fixed
> physical address that are mapped to some virtual address. All of the
> devices may not require bus_space functionality to be implemeted. But, it

In NetBSD all device drivers should use bus_space :)
device drivers not using bus_space are machine-dependant, so they can update
the bus_space informations if needed.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--