Subject: Re: m68k comman part (was Re: mips ports ...)
To: Scott Reynolds <email@example.com>
From: Paul Goyette <firstname.lastname@example.org>
Date: 03/19/1996 04:44:49
On Mon, 18 Mar 1996, Scott Reynolds wrote:
> On Mon, 18 Mar 1996, Guenther Grau wrote:
> > I agree qith you that some parts are shared between the ports, but there
> > are a lot more things which the ports have in common, for example some
> > of the device drivers.
> As someone who has done some of this sort of work, I'm sorry to say that
> most mac68k device drivers aren't going to be able to be shared. The
> hardware interface is, um, "different," and you have to change some of
> your assumptions at a very fundamental level.
> The `sbc' driver in the mac68k port uses the MI 5380 code in /sys/dev/ic,
> but as it currently doesn't support as many devices as currently work
> with the `ncrscsi' driver and it's slower, it is not a reasonable choice
> for the GENERIC kernels. In fact, I'm strongly encouraging that people
> use it only for experimental purposes. :-)
> Other than the SCSI driver, though, I'm having a hard time thinking of
> what common driver code the mac68k port might be sharing with the
Well, there's the z8530 serial chip driver...