[coreboot] ThinkPad X230 with working truncated ME and 11 MB space for payload

[Marek Behun]

Will the ethernet controller work?

On Sat, 15 Apr 2017 21:55:52 +0800
persmule <persmule at gmail.com> wrote:

> Hi Marek,
> 
> You should use the latest me_cleaner. The 96 KiB ME actually works,
> but just costs about 3~5 minutes to training the memory controller
> and write MRC cache during the first boot after flashing, and costs
> less than one second during later boots.
> 
> The only ME modules needed left should be BUP nad ROMP, all other
> modules are free to cleanse.
> 
> Try again, please, for your own freedom and security, and report your
> results on https://github.com/corna/me_cleaner/issues/3
> 
> Persmule.
> 
> 在 2017年04月15日 20:13, Marek Behun 写道:
> > I have just now managed to flash my X230 with ME truncated to 828
> > KiB. I used an older version of me_cleaner (commit d1abbca2). This
> > is because the current version of me_cleaner (which truncates ME to
> > 96 KiB) does not work for me (X230 won't boot).
> >
> > The currently active modules in my ME are (listed with unhuffme):
> >   BUP CLS ClsPriv FTCS HOSTCOMM KERNEL POLICY ROMP RSA SESSMGR TDT
> >   UPDATE
> >
> > Note that originally ME contained all this modules:
> >   admin_cm BOP BUP CLS ClsPriv CONF_STACK eac FTCS HOSTCOMM ICC JOM
> >   KERNEL krb LOCL_GER MPC NET_SERVICES NET_STACK NFC Pavp PLDM
> > POLICY ROMP RSA sal secio SESSMGR TDT tls UPDATE utilities
> > WCOD_PUMA wlan
> >
> > So the remove modules are:
> >   admin_cm BUP CONF_STACK eac ICC JOM krb LOCL_GER MPC NET_SERVICES
> >   NET_STACK NFC Pavp PLDM sal secio tls utilities WCOD_PUMA wlan
> >
> > I do not know what all can the modules that I left there do, but my
> > e1000e is working.
> >
> > The current layout of the flash is:
> >
> > 00000000:00000fff fd
> > 000d2000:00bfffff bios
> > 00003000:000d1fff me
> > 00001000:00002fff gbe
> >
> > This left me with 10.85 MiB for the payload.
> >
> > I am attaching my current descriptor.bin and me.bin, if someone
> > wants to try.
> >
> > Marek  
> 
> 
> 
>