Subject: Re: x86-64 Re: IA64?
To: None <firstname.lastname@example.org>
From: Matt Thomas <email@example.com>
Date: 01/01/2003 13:50:05
At 01:30 PM 1/1/2003, firstname.lastname@example.org 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: email@example.com
3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt/
Cupertino, CA Disclaimer: I avow all knowledge of this message