Add NOVA, update release.nix

NOVA/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, buildPackages, fetchFromGitHub }:
+
+let
+  ARCH =
+    if stdenv.isx86_32 then "x86_32" else
+    if stdenv.isx86_64 then "x86_64" else
+    null;
+in if ARCH == null then null else
+
+buildPackages.stdenv.mkDerivation {
+  # Borrow the build host compiler,
+  name = "NOVA";
+  inherit ARCH;
+
+  src = fetchFromGitHub {
+    owner = "alex-ab";
+    repo = "NOVA";
+    rev = "0ebcb4fc5a25d1df4451a89cbc87d88e099acbd3";
+    sha256 = "0rkp59496032kq8a3l5fs771m5f7s5yywkxjk7j9qhmsidgk40wd";
+  };
+
+  makeFlags = [ "--directory=build" ];
+
+  preInstall = "export INS_DIR=$out";
+
+  meta = with stdenv.lib; {
+    description =
+      "The NOVA OS Virtualization Architecture is a project aimed at constructing a secure virtualization environment with a small trusted computing base.";
+    homepage = "http://hypervisor.org/";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.ehmry ];
+  };
+
+}

default.nix

@@ -1,9 +1,10 @@
 let
   pkgOverlay = self: super:
     # Overlay of locally defined packages
-    {
-      genode = super.callPackage ./upstream { };
-      dhall = super.callPackage ./dhall { };
+    with self; {
+      dhall = callPackage ./dhall { };
+      genode = callPackage ./upstream { };
+      nova = callPackage ./NOVA { };
     };
 
   toolchainOverlay = import ./toolchain-overlay;
@@ -16,9 +17,9 @@ let
     rev = "e4d734ace275cae70a776771d034c051956c9cab";
   };
 
-in { nixpkgs ? import nixpkgs' }:
+in { nixpkgs ? nixpkgs' }:
 
-nixpkgs {
+import nixpkgs {
   # Evaluate an overlayed Nixpkgs for a Genode target
   config.allowUnsupportedSystem = true;
   crossSystem = {

release.nix

@@ -1,11 +1,6 @@
-{ genodepkgs ? builtins.fetchGit ./. }:
+{ genodepkgs ? builtins.fetchGit ./., nixpkgs ? <nixpkgs> }:
 
 {
-  build.x86_64 = let
-    pkgs =
-      import ./default.nix { system = { config = "x86_64-unknown-genode"; }; };
-  in {
-    nixpkgs = { inherit (pkgs.nixpkgs) stdenv; };
-    inherit (pkgs) upstream;
-  };
+  build.x86_64 = let pkgs = import ./default.nix { inherit nixpkgs; };
+  in { inherit (pkgs) genode nova stdenv; };
 }