Re: [coreboot] Trace MMIO Read/Write

[Joseph Smith]

On Wed, 04 Mar 2009 17:37:50 -0500, Joseph Smith 
wrote:
> On Wed, 04 Mar 2009 23:27:07 +0100, Patrick Georgi
>
> wrote:
> > Am 04.03.2009 23:23, schrieb Joseph Smith:
> > > Hello,
> > > Is there anyway to trace (capture) reads and writes to a mmio space in
> > > Linux? A utility program maybe?
> >
> > I think that's what the renouveau project does, so they should have a
> > tool for that.
> > It should work by mapping the mmio area away, then catching all accesses
> > before passing them trough.
>
> Thanks Patrick, I will check it out. Does it catch reads as well as
> writes?

Ahhh, thanks again Patrick!

http://nouveau.freedesktop.org/wiki/MmioTrace

This will do exactly what I want it to :-)
Yahoo, this is going to crack the mystery wide open!!!