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Explore a 31-minute technical talk that delves into the implementation of the FF-A firmware standard for enabling communication between KVM virtual machines and secure world (TrustZone) in ARM v8/v9 aarch64 architecture. Learn about the software ABI that facilitates interaction between normal and secure world software components through various mechanisms including memory sharing, synchronous and asynchronous messages, and notifications. Gain valuable insights into the ongoing development efforts focused on deploying FF-A in current systems, with particular emphasis on enabling communication pathways between normal world virtual machines and the secure TrustZone environment.
