On Mon, 5 Mar 2001, Ross Harvey wrote:

> So, for things that are faults, the PC should already be at the boundary
> before the instruction, but if it isn't you need to fix it.  For traps, It
> Depends.  For aborts, it doesn't matter.

Right.  I think that clears up what I've got to do.  Thanks.

[ Of course, it helps that that was the approach I was taking on arm26
  already. ]

-- 
Ben Harris                                                   <bjh21@netbsd.org>
Portmaster, NetBSD/arm26               <URL:http://www.netbsd.org/Ports/arm26/>