Subject: Re: CVS commit: syssrc
To: Ben Harris <>
From: Ignatios Souvatzis <>
List: tech-kern
Date: 10/16/2000 13:46:30
On Mon, Oct 16, 2000 at 12:41:01PM +0100, Ben Harris wrote:
> On Mon, 16 Oct 2000, Ignatios Souvatzis wrote:
> > On Sun, Oct 15, 2000 at 01:57:43PM -0700, Chris G. Demetriou wrote:
> > 
> > > If it's a PC super-io chip, what's wrong with just attaching an 'ISA'
> > > to it?  that's what some ports do, unless i'm mistaken.  Failing that,
> > > what we need is a slightly-tweaked direct-config version of ISA which
> > > can be used by all such chips.
> > 
> > I'm doing sort of this on Amiga, because we not only have a system with a
> > superio chip, but also lots of zbus boards that attach ISA chips at fixed
> > addresses. Look at the "supio" stuff in amiga/dev/
> That looks good, though it doesn't seem to be remotely related to the isa
> code.  I wouldn't have much objection to using that for the upc, though
> the interrupt stuff would need to be abstracted, and I'd like to avoid
> bus_space_map if I can (or at least move it to the parent and pass down a
> bus_space_handle_t to the children).

Yesyes. My version had very special requirements... However, should you write
a more abstracted one, I might be able to use it, maybe.