Date: Sat, 10 Aug 1996 17:35:21 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Cc: freebsd-hackers@freebsd.org (FreeBSD hackers) Subject: Re: kern_mib.c:int securelevel = -1; Message-ID: <199608110035.RAA00338@rah.star-gate.com> In-Reply-To: Your message of "Sun, 11 Aug 1996 00:29:37 %2B0200." <199608102229.AAA00688@uriah.heep.sax.de>
next in thread | previous in thread | raw e-mail | index | archive | help
>From The Desk Of J Wunsch : > As Bruce Evans wrote: > > > >Plain (banked) VGA probably works, since it only needs to mmap() the > > >standard frame buffer where syscons or pcvt do already know about its > > >location. > > > > This mapping should be provided by the driver in all cases. It's > > much easier to provide... > > It's not so easy to provide since: > > 0) the graphics console drivers are too dumb to know about the details > of their devices, so they have no idea where the frame buffer > actually is. This is the usual ``the DDX layer should actually be > in the kernel'' problem. > If all what you want to add is the frame buffer then it should be easy to move the mapping of the frame buffer to the console drivers. In essence move the logic to map the frame buffers from the hardware specifics in the "DDX layer" to the kernel. Amancio
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199608110035.RAA00338>