Re: PAE and i386 kernel

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Tue, Oct 06, 2009 at 08:08:29PM +0000, Christos Zoulas wrote:
> In article <20091006140232.GA25008%colwyn.zhadum.org.uk@localhost>,
> Matthias Scheler  <tron%zhadum.org.uk@localhost> wrote:
> >On Tue, Oct 06, 2009 at 03:40:21PM +0200, Christoph Egger wrote:
> >> > Thanks for the answer.  Is there any idea what would be required
> >> > to support it for i386 kernels?
> >> 
> >> AFAIK the bootstrapping code.
> >
> >What about bus_dma() support? Can NetBSD/i386 already handle
> >DMA to 64-bit addresses?
> 
> It would need to limit dma buffers to below 4GB. This needs to be fixed
> anyway (read the comment in the DRM code).

There are 64bit aware devices.

Joerg