nixpkgs/pkgs/development/compilers/firrtl/default.nix
2022-05-29 12:19:51 -05:00

61 lines
1.6 KiB
Nix

{ lib, stdenv, jre, setJavaClassPath, coursier, makeWrapper }:
stdenv.mkDerivation rec {
pname = "firrtl";
version = "1.5.3";
scalaVersion = "2.13"; # pin, for determinism
deps = stdenv.mkDerivation {
pname = "${pname}-deps";
inherit version;
nativeBuildInputs = [ coursier ];
buildCommand = ''
export COURSIER_CACHE=$(pwd)
cs fetch edu.berkeley.cs:${pname}_${scalaVersion}:${version} > deps
mkdir -p $out/share/java
cp $(< deps) $out/share/java
'';
outputHashMode = "recursive";
outputHash = "sha256-xy3zdJZk6Q2HbEn5tRQ9Z0AjyXEteXepoWDaATjiUUw=";
};
nativeBuildInputs = [ makeWrapper setJavaClassPath ];
buildInputs = [ deps ];
dontUnpack = true;
installPhase = ''
runHook preInstall
makeWrapper ${jre}/bin/java $out/bin/${pname} \
--add-flags "-cp $CLASSPATH firrtl.stage.FirrtlMain"
runHook postInstall
'';
doInstallCheck = true;
installCheckPhase = ''
$out/bin/firrtl --firrtl-source "${''
circuit test:
module test:
input a: UInt<8>
input b: UInt<8>
output o: UInt
o <= add(a, not(b))
''}" -o test.v
cat test.v
grep -qFe "module test" -e "endmodule" test.v
'';
meta = with lib; {
description = "Flexible Intermediate Representation for RTL";
longDescription = ''
Firrtl is an intermediate representation (IR) for digital circuits
designed as a platform for writing circuit-level transformations.
'';
homepage = "https://www.chisel-lang.org/firrtl/";
license = licenses.asl20;
maintainers = with maintainers; [ dtzWill ];
};
}