1 files changed, 62 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/trellis/default.nix b/nixpkgs/pkgs/development/tools/trellis/default.nix
new file mode 100644
index 000000000000..dead1dac2a51
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/trellis/default.nix
@@ -0,0 +1,62 @@
+{ stdenv, fetchFromGitHub
+, python3, boost
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "trellis";
+  version = "2021.01.02";
+
+  # git describe --tags
+  realVersion = with stdenv.lib; with builtins;
+    "1.0-482-g${substring 0 7 (elemAt srcs 0).rev}";
+
+  srcs = [
+    (fetchFromGitHub {
+       owner  = "SymbiFlow";
+       repo   = "prjtrellis";
+       rev    = "60c05b3f4e71fd78d4fba5c31f9974694245199e";
+       sha256 = "1k37mxwxv9fpm6xnrxlqqap7zqh2dvgqncphj3asi2rz0kh07ppf";
+       name   = "trellis";
+     })
+
+    (fetchFromGitHub {
+      owner  = "SymbiFlow";
+      repo   = "prjtrellis-db";
+      rev    = "2cf058e7a3ba36134d21e34823e9b2ecaaceac2c";
+      sha256 = "1hjaw5jkwiaiznm2z0smy88m2cdz63cd51z4nibajfih7ikvkj6g";
+      name   = "trellis-database";
+    })
+  ];
+  sourceRoot = "trellis";
+
+  buildInputs = [ boost ];
+  nativeBuildInputs = [ cmake python3 ];
+  cmakeFlags = [
+    "-DCURRENT_GIT_VERSION=${realVersion}"
+    # TODO: should this be in stdenv instead?
+    "-DCMAKE_INSTALL_DATADIR=${placeholder "out"}/share"
+  ];
+  enableParallelBuilding = true;
+
+  preConfigure = with builtins; ''
+    rmdir database && ln -sfv ${elemAt srcs 1} ./database
+
+    source environment.sh
+    cd libtrellis
+  '';
+
+  meta = with stdenv.lib; {
+    description     = "Documentation and bitstream tools for Lattice ECP5 FPGAs";
+    longDescription = ''
+      Project Trellis documents the Lattice ECP5 architecture
+      to enable development of open-source tools. Its goal is
+      to provide sufficient information to develop a free and
+      open Verilog to bitstream toolchain for these devices.
+    '';
+    homepage    = "https://github.com/SymbiFlow/prjtrellis";
+    license     = stdenv.lib.licenses.isc;
+    maintainers = with maintainers; [ q3k thoughtpolice emily ];
+    platforms   = stdenv.lib.platforms.all;
+  };
+}