Subject: Re: ARM port organisation (was: Re: NetBSD/hpcarm snap code)
To: Jason R Thorpe <>
From: Ben Harris <>
List: tech-kern
Date: 02/17/2001 17:59:12
On Sat, 17 Feb 2001, Jason R Thorpe wrote:

> On Sat, Feb 17, 2001 at 01:28:30PM +0000, Ben Harris wrote:
>  > Those names are a bit ugly.  I'd prefer "archimedes" and "riscpc", which
>  > are more obvious and easier to say, but maybe less inclusive.
>  > 
>  > > 	dev/acorn/iomd	<- Driver for the IOMD and IOMD attachments of
>  > > 			   other devices.
>  > > 	dev/acorn/vidc	<- Driver for the VIDC and the WSCONS glue for it.
>  > 
>  > Why are these (which are on-chip on the ARM7500) under dev/acorn while the
>  > on-chip I/O on the SA1100 is supported under arch/arm?
> They're not on-chip on the other machines that have them, tho, right?

True.  On the other hand, as far as I can tell you'd put the Footbridge
code under sys/arch/arm, and doesn't that do much the same as the IOMD
(interrupt handling, address decoding etc)?

Ben Harris                                                   <>
Portmaster, NetBSD/arm26               <URL:>