Re: PC with coreboot - boot menu locked

Hi Andrea,

Is this actually a PC? A little Googling makes me think it's a gaming
machine which may explain the "igt_secure" payload, in which case it may be
designed to phone home or do some validation before booting the OS.

I think Paul has the right idea - see if it will boot from USB or whatever
other media is available. If you can flash the firmware image then you can
try swapping the payload with something else; the 16MB ROM should even be
big enough to fit a minimal Linux kernel if you don't have ports for USB,
SATA, etc. in that device.

The CPU is a Haswell which is still fairly popular in coreboot. If you have
detailed hardware information then you might try to add a new mainboard
target for your system. There are several examples in the src/mainboard
directory and on review.coreboot.org (search for HASWELL).

I have never heard of `igt_secure`. As you can access the dump, you can
> at least build the payload yourself, and replace `fallback/payload` or
> add it under `img/`. Maybe that works. No idea if the keys/hashes verify
> anything from this.
>

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