{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; flake-utils.url = "github:numtide/flake-utils"; }; outputs = { nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem (system: let pkgs = import nixpkgs { system = system; config = { allowUnfree = true; }; }; in { devShell = pkgs.mkShell { buildInputs = with pkgs; [ bluespec vscode dfu-util fujprog git go_1_22 gotools gtkwave imagemagick nextpnr openfpgaloader picocom python3 symbiyosys trellis verilator xdot yices yosys z3 kgraphviewer ]; }; }); }