Patch Set 1:

(1 comment)

A bit off-topic, but I think the development effort should be in providing good methods for equivalent of normal/fallback boot flows with and without VBOOT installed. Should we support configuration where bootblock has only CBMEM console enabled, while SPI/EHCI consoles would be delayed to (fallback) romstage? Assuming one does not completely mess up the build of an experimental romstage, bootblock and VBOOT debug output from CBMEM could be replayed to SPI/EHCI even before raminit? This would often bring bootblock size downto 16 KiB or less, while not having undesirable speed impact for 'stable or normal' boot flow.

Yes, please! That should only be a matter of changing the condition of the linker scripts.
On that same topic, would it not be a good idea for the bootblock to conditionally set a global parameter to output over slower consoles. For instance if the bootblock detects X amount of failures set that parameter that affects next stages.

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