You might like Bunnie Huang's Precursor... https://www.crowdsupply.com/sutajio-kosagi/precursor https://www.crowdsupply.com/sutajio-kosagi/precursor "Powered

You might like Bunnie Huang's Precursor... https://www.crowdsupply.com/sutajio-kosagi/precursor https://www.crowdsupply.com/sutajio-kosagi/precursor "Powered by an FPGA-hosted, soft-core System-on-Chip (SoC), it gives developers the freedom to inspect, verify, and customize nearly every aspect of its operation. Help us take those critical first steps toward a world in which silicon-level trustworthiness is attainable." So RISC-V, but with the cores and peripherals all software defined on an FPGA, so you can audit the code and verify what you upload as "software defined hardware". They've blogged profusely about the design decisions and the philosophies behind them: https://www.bunniestudios.com/blog/?cat=71 https://www.bunniestudios.com/blog/?cat=71