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NixOS on RISC-V

This repository contains NixOS configurations for different RISC-V machines.

QEMU

To boot the system in QEMU, first enter the development shell:

$ nix develop

Then run the boot script:

$ ./boot.sh

To prevent the GC from erasing the system:

$ nix build .#devShells.x86_64-linux.default --out-link result-env

Lagarto Hun on FPGA Alveo U55C

First build required dependencies:

$ nix develop '.#lagarto-hun'

Then upload to destination:

$ fpga/upload.sh

And then boot the system there:

cucu$ ./boot.sh
...

In the U-Boot prompt, paste the commands of the uboot.env file.