I've followed this tutorial recently, and it's amazing: https://github.com/BrunoLevy/learn-fpga/blob/master/FemtoRV/TUTORIALS/FROM_BLINKER_TO_RISCV/README.md h

I've followed this tutorial recently, and it's amazing: https://github.com/BrunoLevy/learn-fpga/blob/master/FemtoRV/TUTORIALS/FROM_BLINKER_TO_RISCV/README.md https://github.com/BrunoLevy/learn-fpga/blob/master/FemtoRV/... The author includes detailed instruction for how to build a micro-controller in Verilog on an icestick, starting from a very simple blinker all the way to a functional RISC-V core. My other suggestion would be: for most of the toolchain, skip your package manager and directly install the binary artifacts published on this Github repo: https://github.com/YosysHQ/oss-cad-suite-build https://github.com/YosysHQ/oss-cad-suite-build You'll spare yourself a world of pain.