Get the latest tech news
Zentool – AMD Zen Microcode Manipulation Utility
This project hosts security advisories and their accompanying proof-of-concepts related to research conducted at Google which impact non-Google owned code. - google/security-research
This package provides a suite of tools for analyzing, manipulating and generating microcode patches for AMD Zen processors. You've already seen that the print command includes a dissasembler, however you may find the simple mcop utility more convenient for debugging. In particular, Josh Eads, Matteo Rizzo, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, Sophie Schmieg, and others.
Or read this on Hacker News