Rodrigo Arias Mallo 931244a355 Try to use openpiton based OpenSBI config
The seem to be doing PLIC initialization based on the device tree, which
may be relevant as that is where we are defining the interruptions.
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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.

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