Date: Mon, 21 Oct 2002 15:16:45 +0200 (SAT) From: John Hay <jhay@icomtek.csir.co.za> To: gallatin@cs.duke.edu (Andrew Gallatin) Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, nyan@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/include bus.h Message-ID: <200210211316.g9LDGjc5029017@zibbi.icomtek.csir.co.za> In-Reply-To: <15795.63614.50196.429860@grasshopper.cs.duke.edu> from Andrew Gallatin at "Oct 21, 2002 08:52:14 am"
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> > > gallatin 2002/10/20 13:55:37 PDT
> > >
> > > Modified files:
> > > sys/alpha/include bus.h
> > > Log:
> > > give alpha a bus_space_subregion() so that ahd_pci compiles and moves
> > > LINT one file further on. Only 999,999 or so more files to go..
> >
> > If you also add bus_space_unmap(), puc(4) will work on the alphas too. :-)
>
> Can you explain why you need bus_space_unmap()?
>
> I think bus_space_unmap() should be removed from puc(4). Or.. puc(4)
> should be calling bus_space_map() on the regions that it is unmapping.
> But that would require somebody implementing bus_space_map() on all
> platforms.
Well, I didn't have it there in the beginning. I think it is used in
the PC98 case because nyan asked to add it.
> >From what I can see, NetBSD's bus_space_{un,}map manage regions
> of io or memory space. Is this not already done in FreeBSD via rman?
John
--
John Hay -- John.Hay@icomtek.csir.co.za / jhay@FreeBSD.org
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