Subject: Re: KA6x0 support
To: None <port-vax@NetBSD.ORG>
From: Jay Maynard <>
List: port-vax
Date: 06/18/1998 11:57:47
On Thu, Jun 18, 1998 at 11:36:41AM -0400, Michael Sokolov wrote:
> what bus are you going to attach them to logically? vsbus? In this case
> you'd have a lot of fun explaining to the NetBSD code that a VAX may have
> both a uba (Q-bus) and a vsbus. Invent yet another "virtual bus"? In this
> case the fellow who decides to port your drivers to KA50/52 would have some
> fun bridging the gap between two different "virtual buses", as the SHAC and
> SGEC drivers would be on the new one while things like the serial lines
> would remain on the vsbus as a heritage from the current KA410/41/42/43
> code.

Eeep. I hadn't thought about that. I had just thought the vsbus was a
convenient place to hang things that weren't attached to another bus. I'll
have to hink about this one at length when I get to that point.

>    Getting back to practical issues, you should keep two things in mind.

I will. Thanks for the discussion; hopefully, I'll avoid making things
harder than they already are for a new guy to pick up.