Subject: Re: 32 bit dev_t, Revision 3
To: Ignatios Souvatzis <>
From: Bill Studenmund <>
List: tech-kern
Date: 01/14/1998 12:24:45
> > Something like 192->207 are M.I. frame buffers (whatever the wscons stuff
> If we had something like wscons, it would only need _one_ major.
> Compare to the hp300/amiga/atari/mac grf, which (on the Amiga) describes
> least 3 major groups (Amiga built-in custom chip (planar organized, and
> mapped through the "view" abstraction), pixel-wise organized mapped
> framebuffers, and the A2410 (a TMS34010 base board with no mapped framebuffer
> memory at all).
> Ok, its 2 major numbers; the other is the text console emulator running on 
> top of the first. I guess the wscons might need 2 majors, too.

Ok, so 8 majors is a bit much. :-) My main thought was that, if we are smart
about things, we should be able to both leave ourselves room to grow
and yet compress many ports' worth of devices into one list.

Take care,