The Future of RISC-V Heterogeneous Embedded Virtualization Architectu... Sandro Pinto & José Martins
The Future of RISC-V Heterogeneous Embedded Virtualization Architectures - Sandro Pinto & José Martins, Universidade do Minho
Today’s embedded industries exhibit a strong trend towards consolidation. Virtualization is the de facto technology used to achieve this goal, since (i) it provides strong isolation between partitions and (ii) eases the porting and integration engineering costs. However, a single hypervisor might not be suited for the heterogeneous requirements of different partitions. This results in the selection of feature-rich hypervisors with large TCBs, typically consisting of the system’s single point of failure. In this talk, we share our experience while implementing the latest RISC-V (i) Hypervisor and (ii) enhanced PMP (Smepmp) extensions on the RISC-V CVA6 core, and we explain how these extensions can be synergically leveraged to implement a novel heterogeneous partitioning and virtualization architecture with enhanced security and safety guarantees. In this architecture, a hardened implem
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