Date: Mon, 21 Oct 2002 08:52:14 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Hay <jhay@icomtek.csir.co.za> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/include bus.h Message-ID: <15795.63614.50196.429860@grasshopper.cs.duke.edu> In-Reply-To: <200210210550.g9L5oQRI012064@zibbi.icomtek.csir.co.za> References: <200210202055.g9KKtbgA079130@repoman.freebsd.org> <200210210550.g9L5oQRI012064@zibbi.icomtek.csir.co.za>
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John Hay writes:
> > 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.
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?
Drew
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