69 lines
2.0 KiB
Nix
69 lines
2.0 KiB
Nix
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{
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description = "ice40 testing";
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inputs = {
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }:
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flake-utils.lib.eachDefaultSystem (sys:
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let pkgs = nixpkgs.legacyPackages.${sys};
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verilator = import ./verilator.nix pkgs ;
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rot-sim = pkgs.runCommandCC "rot-sim" {} ''
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cp "${./rot.v}" rot.v
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${verilator}/bin/verilator --cc -O3 --exe --build --trace ${./sim_main.cpp} rot.v
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mv obj_dir "$out"
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'';
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rot-trace = pkgs.runCommand "rot-trace" {} ''
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mkdir "$out"
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${rot-sim}/Vrot $out/trace.vcd
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'';
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rot-trace-view = pkgs.writeScriptBin "rot-view" ''
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${pkgs.gtkwave}/bin/gtkwave ${rot-trace}/trace.vcd
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'';
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rot-synth = pkgs.runCommand "rot-synth" {} ''
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mkdir "$out"
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${pkgs.yosys}/bin/yosys -p "read -vlog95 ${./rot.v} ; synth_ice40 -json $out/synth.json"
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'';
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rot-route = pkgs.runCommand "rot-route" {} ''
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mkdir "$out"
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${pkgs.nextpnr}/bin/nextpnr-ice40 --pcf ${./rot.pcf} --json ${rot-synth}/synth.json --asc $out/routed.asc --up5k --top rot --freq 12
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'';
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rot-pack = pkgs.runCommand "rot-pack" {} ''
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mkdir "$out"
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${pkgs.icestorm}/bin/icepack ${rot-route}/routed.asc $out/packed.bin
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'';
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rot-upload = pkgs.writeScriptBin "rot-upload" ''
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${pkgs.icestorm}/bin/iceprog ${rot-pack}/packed.bin
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'';
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deps = with pkgs; [
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yosys nextpnrWithGui icestorm verilator
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];
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in rec {
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packages.verilator = verilator;
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packages.rot-sim = rot-sim;
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packages.rot-trace = rot-trace;
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packages.rot-trace-view = rot-trace-view;
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packages.rot-synth = rot-synth;
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packages.rot-route = rot-route;
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packages.rot-pack = rot-pack;
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packages.rot-upload = rot-upload;
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devShells.default = pkgs.mkShell {
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packages = deps;
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};
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}
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);
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}
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