1 files changed, 37 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/logic/symbiyosys/default.nix b/nixpkgs/pkgs/applications/science/logic/symbiyosys/default.nix
new file mode 100644
index 000000000000..2047bb3fc9f8
--- /dev/null
+++ b/nixpkgs/pkgs/applications/science/logic/symbiyosys/default.nix
@@ -0,0 +1,37 @@
+{ stdenv, fetchFromGitHub, yosys, python3 }:
+
+stdenv.mkDerivation rec {
+  name = "symbiyosys-${version}";
+  version = "2018.12.09";
+
+  src = fetchFromGitHub {
+    owner  = "yosyshq";
+    repo   = "symbiyosys";
+    rev    = "0772456a15b5a474c3c90a06b48e46a67d8a6614";
+    sha256 = "00p2l1g9z8nnmkc57l1cfn9ignjjmxwnyaxj2xjd1fim4kzd5475";
+  };
+
+  buildInputs = [ python3 yosys ];
+
+  buildPhase = "true";
+  installPhase = ''
+    mkdir -p $out/bin $out/share/yosys/python3
+
+    cp sbysrc/sby_*.py $out/share/yosys/python3/
+    cp sbysrc/sby.py $out/bin/sby
+    chmod +x $out/bin/sby
+
+    # Fix up shebang and Yosys imports
+    patchShebangs $out/bin/sby
+    substituteInPlace $out/bin/sby \
+      --replace "##yosys-sys-path##" \
+                "sys.path += [p + \"/share/yosys/python3/\" for p in [\"$out\", \"${yosys}\"]]"
+  '';
+  meta = {
+    description = "Tooling for Yosys-based verification flows";
+    homepage    = https://symbiyosys.readthedocs.io/;
+    license     = stdenv.lib.licenses.mit;
+    maintainers = with stdenv.lib.maintainers; [ thoughtpolice ];
+    platforms   = stdenv.lib.platforms.unix;
+  };
+}