Switching to SMM with FreeBSD 6.2 onwards

[Won De Erick]

--- On Fri, 3/27/09, Andriy Gapon <avg at icyb.net.ua> wrote:
> on 27/03/2009 15:47 Won De Erick said
> the following:
> > --- On Fri, 3/27/09, Andriy Gapon <avg at icyb.net.ua>
> wrote:
> >> on 27/03/2009 12:35 Ivan Voras said the
> following:
> >>> One thing that comes to my mind is this: 
> >>> http://invisiblethingslab.com/resources/misc09/smm_cache_fun.pdf
> > 
> > I will add that to the ff:
> > 
> > http://www.ssi.gouv.fr/fr/sciences/fichiers/lti/cansecwest2006-duflot-paper.pdf
> > 
> > 
> > I've made the Exploit code found at the appendix
> runnable on FreeBSD 7.1
> > replacing some of the unsupported functions, but I'm
> still finding ways how to
> > verify whether I've written successfully a data to the
> intended address or not.
> > I've replaced '/dev/xf86 with '/dev/mem'. Then opened
> 'dev/io' instead of using
> > 'i386_get_ioperm()'. Am I on the right track?
> 
> I believe yes. I made identical changes to Joanna/Rafal's
> code that gets a glimpse
> of what SMI handler does via CPU cache. Interesting read
> :)

Have you tried modifying some chipset configurations? Can I know what part?
I am using IBM x3650 with dual core Xeon processor.

> 
> -- 
> Andriy Gapon
> 

Hi all, is there any tool that I can use to view the memory map I/O?