Move other tools to tools/

overlay.nix

@@ -21,68 +21,10 @@ final: prev:
     ];
   });
 
-  unalignedCheck = prev.stdenv.mkDerivation {
-    name = "unaligned-check";
-    src = ./unalign.c;
-    unpackPhase = ''
-      cp ${./unalign.c} unalign.c
-    '';
-    dontConfigure = true;
-    buildPhase = ''
-      $CC unalign.c -o unalign_check
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      cp unalign_check $out/bin/
-    '';
-  };
-
-  csrtool = prev.pkgsStatic.stdenv.mkDerivation {
-    name = "csrtool";
-    src = ./csrtool.c;
-    unpackPhase = ''
-      cp ${./csrtool.c} csrtool.c
-    '';
-    dontConfigure = true;
-    buildPhase = ''
-      $CC -static csrtool.c -o csrtool
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      cp csrtool $out/bin/
-    '';
-  };
-
-  memtool = prev.pkgsStatic.stdenv.mkDerivation {
-    name = "memtool";
-    src = ./memtool.c;
-    unpackPhase = ''
-      cp ${./memtool.c} memtool.c
-    '';
-    dontConfigure = true;
-    buildPhase = ''
-      $CC -static memtool.c -o memtool
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      cp memtool $out/bin/
-    '';
-  };
-
-  plictool = prev.pkgsStatic.stdenv.mkDerivation {
-    name = "plictool";
-    src = ./tools/plictool.c;
-    unpackPhase = ''
-      cp ${./tools/plictool.c} plictool.c
-    '';
-    dontConfigure = true;
-    buildPhase = ''
-      $CC -static plictool.c -o plictool
-    '';
-    installPhase = ''
-      mkdir -p $out/bin
-      cp plictool $out/bin/
-    '';
+  riscv-tools = prev.pkgsStatic.stdenv.mkDerivation {
+    name = "riscv-tools";
+    src = ./tools;
+    makeFlags = [ "PREFIX=${placeholder "out"}" ];
   };
 
   bitstreams = builtins.fetchGit {