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AMD Publishes SEV Firmware As Open-Source
While I have been eagerly following the AMD openSIL project for open-source CPU initialization that will eventually replace AGESA, today AMD announced a new open-source firmware drop: the SEV firmware has been made open-source.
The firmware necessary for AMD's Secure Encrypted Virtualization (SEV) had been made open-source and is publicly available. AMD Secure Encrypted Virtualization provides a variety of security protections for virtual machines (VMs) working on EPYC platforms.
AMD announced the open-source firmware for SEV as part of "[sharing] the technical details of technology powering innovative confidential computing." AMD SEV is used by EPYC virtual machines on Amazon AWS, Google Cloud, Microsoft Cloud, and Oracle Compute Infrastructure.