Correction, it's not the EC that runs Tock, but rather the GSC (the creatively named Google Security Chip). It used to run a system called Cr50 while recent ver

Correction, it's not the EC that runs Tock, but rather the GSC (the creatively named Google Security Chip). It used to run a system called Cr50 while recent versions run Ti50, which is Tock-based.