Subject: Re: update on sun2 port (and sc scsi driver)
To: Matthew Fredette <fredette@MIT.EDU>
From: David Brownlee <>
List: port-sun3
Date: 03/16/2001 15:23:53
On Fri, 16 Mar 2001, Matthew Fredette wrote:

> Hi all.  Much progress has been made on the Sun2 port.  It now boots
> multiuser, a snapshot of programs run, and I've developed a driver for
> the 'sc' SCSI board that seems to work pretty well.
	Great news!

> Thanks go to Michael Thompson for helping me test all of this!
> Should I post the sc driver somewhere?  I'd say that it's slightly
> better than alpha quality, I still wouldn't trust it with critical
> data.  It does DMA and I haven't had any problems with it yet tho.
	I seem to remember a bunch of people with sc boards on VME sun3
	and sparc boxes who might be interested in that driver :)

> I modelled it after the si driver in that it's broken up into
> sc_<bus>.c and sc.c under arch/sun3/dev, and an MI sunscpal.c under
> dev/ic.  (And "modelled" is misleading - all of the 'sc' and
> 'sunscpal' files are literally modified copies of the si and
> ncr5380sbc files.  Much credit goes to those authors.)  I wrote an
> sc_vme attachment but I have no idea if it works since I don't have
> any VME hardware.
	Would you like some - we may be able to find someone in your
	area with a sparc VME sun3 or sparc box...

> A multiuser session transcript follows.  Note that the kernel booted
> from /dev/sd0a using the NetBSD boot blocks.  I would have root on sd0
> if the disk were only big enough! :)

	Woah, I've never seen a NetBSD box boot and show disk size in
	KB before :)

		David/absolute		-- No hype required --