Subject: Re: Alpha X server limitations
To: Ben Tober <tober@bbnplanet.com>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-alpha
Date: 01/28/1997 13:15:07
On Tue, 28 Jan 1997 15:17:32 -0500 (EST)
Ben Tober <tober@bbnplanet.com> wrote:
> Hmm, this could be the wrong impression, but I believe that console
> interfaces (in the context of X) usually just deal with the keyboard and
> possibly the mouse but usually not the framebuffer. I thought that
> framebuffers were generally mmap()'d into the address space of the X server.
> How would that be an inapplicable technique for a TC framebuffer? It
> always seemed pretty generic to me. Granted, it doesn't necessarily work
> well where the framebuffer occupies some IO address space (which generally
> could not be mmap()'d, or at least on some CPUs could not be) and the X
> server needs to have high-performance access to that IO address space.
> In that case, in fact, I'm not sure how one should deal with it...
> -ben
Oh, well, in the case of keyboards and mice, the Alpha wscons stuff
looks very much like the Sun event stuff, which is fairly well
supported in X :-)
Jason R. Thorpe thorpej@nas.nasa.gov
NASA Ames Research Center Home: 408.866.1912
NAS: M/S 258-6 Work: 415.604.0935
Moffett Field, CA 94035 Pager: 415.428.6939