On Tue, 12 Mar 2002, Richard Earnshaw wrote:

> > On Tue, Mar 12, 2002 at 10:38:39AM +0000, Richard Earnshaw wrote:
> > >
> > > I've always wondered why that code wasn't written using ldrt/strt for the
> > > user-space accesses.  That would then use the hardware for permission
> > > checking and eliminate the most expensive part of that code (doing the tlb
> > > check manually).
> >
> > not in ARM v3?
>
> Nope; even the ARM2 had these IIRC.

Indeed, and the arm26 copyin/out uses them.

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