From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Guido Guenther <agx@sigxcpu.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [agx@sigxcpu.org: [PATCH]: swsusp on linux-2.6.9-rc3]
Date: Tue, 05 Oct 2004 09:18:33 +1000 [thread overview]
Message-ID: <1096931912.23141.107.camel@gaston> (raw)
In-Reply-To: <20041004151259.GC5637@bogon.ms20.nix>
On Tue, 2004-10-05 at 01:12, Guido Guenther wrote:
> On Tue, Oct 05, 2004 at 12:14:11AM +1000, Benjamin Herrenschmidt wrote:
> > A hack I wrote a while ago that allows to run the MacOS "ndrv" video
> > driver within a userland "shell" in linux. It works with old-style
> > 'ndrv's that ATI still uses but not with the newer nVidia 'fully native'
> > drivers and it can spy all IOs done by the driver
> Nice. Can you think of a way to monitor calls of MacOS X into the OF?
It has nothing to do with OF. We need to spy the IO accesses. Roughly
the same mecanism I use on linux but moved to kernel-land in OS X
would be possible but complicated: basically feeding the nvdia driver
with a non-mapped IO area and catching all faults, emulating the actual
accesses and logging them. But my knowledge of OS X low levels isn't
that good and I don't have time to work on that.
Ben.
next prev parent reply other threads:[~2004-10-04 23:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-04 11:21 [agx@sigxcpu.org: [PATCH]: swsusp on linux-2.6.9-rc3] Guido Guenther
2004-10-04 13:39 ` Benjamin Herrenschmidt
2004-10-04 13:51 ` Guido Guenther
2004-10-04 14:14 ` Benjamin Herrenschmidt
2004-10-04 15:12 ` Guido Guenther
2004-10-04 19:57 ` Segher Boessenkool
2004-10-05 6:57 ` Guido Guenther
2004-10-05 7:24 ` Benjamin Herrenschmidt
2004-10-04 23:18 ` Benjamin Herrenschmidt [this message]
2004-10-05 6:58 ` Guido Guenther
2004-10-05 7:26 ` Benjamin Herrenschmidt
2004-10-04 22:07 ` John Steele Scott
2004-10-04 23:27 ` Benjamin Herrenschmidt
2004-10-05 8:12 ` John Steele Scott
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