On Thu, Oct 06, 2005 at 01:39:10PM -0600, Marc Aurele La France wrote:
> No. My preference is definitely to keep the OS out of the way, as much as
> possible
Ok, but in this case that is not realy possible. You need a OS driver
that understands your mmap() call anyway to get the IOMMU mappings
c
On Thu, Oct 06, 2005 at 09:51:38AM -0600, Marc Aurele La France wrote:
> I would venture to guess that a different file descriptor is needed for
> every adapter in the system.
Yeah, I would prefer to use /dev/fb* for the PCI devices too (this is
what is used for SBUS and UPA devices already) - an
On Tue, Jul 12, 2005 at 01:16:29PM -0600, Marc Aurele La France wrote:
> Yes. Try changing FFBSaveScreen() to call the screen's
> EnableDisableFBAccess() function.
Thanks, this seems to work.
I'm still testing it a bit and will make sure that we feedback all our local
NetBSD changes soon.
Mart
On some hardware revisions of Sun's FFB frame buffer, it seems the video ram
refresh is not handled while the DAC is turned off. Unfortunatley there seems
to be no real documentation out, so this is just a guess.
What we see now is that after FFBSaveScreen() has turned off the DAC for some
time an
On Thu, Jun 02, 2005 at 08:55:10PM -0600, Marc Aurele La France wrote:
> So you're suggesting this should/will be fixed in NetBSD's kernel?
We are evaluating that. I'm not sure the trick in sunffb causes any measurable
improvements - but I can't easily test that myself right now.
I'll report back
On Tue, May 31, 2005 at 08:23:39AM -0600, Marc Aurele La France wrote:
> What does NetBSD do with the trap?
Re-enable the FPU, restore old FPU state, and retry. No signal to userland
is generated.
This is the standard lazy fpu saving game - it just did not occur to us
that userland code would try
On Thu, May 19, 2005 at 08:11:25PM -0400, Michael wrote:
> And lastly - why does the wscons protocol option require a device name?
> Defaulting it to /dev/wskbd should do the trick.
I am not sure here. In wscons, there are two fundamentally different
ways to access keyboards in the "we have more t