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Rodrigo Arias Mallo 2fab6b8ec0 Update bitstream to ox_u55c_87a14c32
This bitstream attempts to fix the PLIC issues with the threshold
register, so we should see the PLIC tests success now.

See: https://gitlab.bsc.es/hwdesign/fpga/integration-lab/fpga-shell/-/issues/147
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bootrom Update bootrom gitignore 2024-08-23 21:22:22 +02:00
dts Move clock comments to lagarto_ox.h 2024-09-05 17:12:35 +02:00
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.gitignore Ignore misc directory 2024-07-03 13:10:06 +02:00
.gitlab-ci.yml Build the whole system in CI 2024-09-18 15:13:46 +02:00
boot.sh Format the qcow2 image with ext4 2024-01-25 15:34:59 +01:00
configuration.nix Use minimal profile 2024-09-18 18:13:39 +02:00
flake.lock flake.lock: Update 2024-07-05 16:31:08 +02:00
flake.nix Add riscv-tools to gcroot 2024-09-18 15:48:02 +02:00
JOURNAL.md Update journal 2024-09-05 14:53:18 +02:00
lagarto-hun.nix Move patches to its own directory 2024-09-06 08:22:14 +02:00
lagarto-ox.nix Update bitstream to ox_u55c_87a14c32 2024-09-19 11:01:48 +02:00
no-compressed.nix Add no compressed specific overlay 2024-03-07 12:04:05 +01:00
NOTES.md Add notes about kernel config file 2024-03-04 14:45:53 +01:00
overlay.nix Update bitstream to ox_u55c_87a14c32 2024-09-19 11:01:48 +02:00
README.md Update readme with uboot instructions 2024-03-07 16:52:28 +01:00
vm.nix WIP 2024-05-28 18:12:14 +02:00

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.