At 01:30 PM 1/1/2003, kpneal@pobox.com wrote:
>On Wed, Jan 01, 2003 at 09:49:18PM +0100, Wojciech Puchar wrote:
> > >
> > >  > does it mean that NetBSD/x86-64 will be someday a complete system that
> > >  > runs on real machine with full speed, not only in emulator with 
> dmesg put
> > >  > on Ports/x86_64 webpage (without any more)
> > >
> > > It is already known to run on real hardware.  I suspect it's mostly a
> > > case of Frank not having gotten around to updating the web page.
> > >
> > VERY nice :)
> >
> > how about 32-bit PCI controllers on >=4GB memory?
>
>Wasn't this part of the reason bus_dma and/or bus_space were created?
>And don't 32-bit PCI controllers already run on Alphas with more than
>4 gigs of memory (or address space)? I thought so.

But alpha's have scatter-gather map so they can map <4GB PCI addresses
to >4GB physical addresses.  But the question is whether intel or amd
will add that capability to their chipsets...


-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message