Subject: Re: ARM PCI init.
To: port-arm NetBSD.org <Port-ARM@NetBSD.org>
From: Snorlax <firstname.lastname@example.org>
Date: 01/22/2004 15:14:49
> > This system
> > just doesn't have loads of memory to fiddle around with, let alone
> > memory at all.
> > I would like the system to be able to fit into a 16MB memory footprint,
> > I'm a little worried about that the 3 PCI memory address bars can be
> > reallocated pretty much everywhere within 2 x 32Mbytes depending on the
> > configuration type : )
> I think you are confusing virtual and physical memory here. The 920T
> supports virtual memory (and NetBSD requires such support). You don't map
> the PCI onto physical RAM, you map it into the virtual address space
> wherever is appropriate, using as much virtual address space as you feel
> is necessary (normally this will be determined by the size of the relevant
> 'windows' provided by the PCI bridge chip).
Thanks for the heads up.
So how does the diskless NetBSD client handle the virtual memory and