BOOM is built on top of rocket-chip, both going back to 2011-2012 at Berkeley. The rocket-chip devs graduated Berkeley and started SiFive. SiFive still use, up

BOOM is built on top of rocket-chip, both going back to 2011-2012 at Berkeley. The rocket-chip devs graduated Berkeley and started SiFive. SiFive still use, update, and commit back to the rocket-chip code base and have spent resources on verifying the rocket-chip code base and on integrating other industry IP into their branch of rocket-chip to fit their costumers' needs.