[coreboot] Trace MMIO Read/Write

[Joseph Smith]

On Wed, 04 Mar 2009 17:48:55 -0500, Joseph Smith <joe at settoplinux.org>
wrote:
> 
> 
> 
> 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
> 
hmmm :-(
I need to do this on a older kernel 2.6.10 and mmiotrace does not support
older kernels....

Any other suggestions?

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