Re: [coreboot] Patch merged into coreboot/master: c35c461 Invalidate cache before first jump

[Patrick Georgi]

Am 06.04.2012 20:26, schrieb Stefan Reinauer:
> > That change might also break on future CPUs (if they finally manage
> > to make the TPM stuff secure, so that's a big if)
>
> How so?

Load top x KB into cache, let the CPU measure the data from cache into a
PCR, run the code from cache (to avoid TOCTOU issues).

Patrick