[coreboot] Trace MMIO Read/Write

Joseph Smith joe at settoplinux.org
Wed Mar 4 23:48:55 CET 2009




On Wed, 04 Mar 2009 17:37:50 -0500, Joseph Smith <joe at settoplinux.org>
wrote:
> 
> 
> 
> On Wed, 04 Mar 2009 23:27:07 +0100, Patrick Georgi
> <patrick at georgi-clan.de>
> 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!!!

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org





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