From 4fe9281b314211f29cf5c04ee0a238bd989099d4 Mon Sep 17 00:00:00 2001
From: Jack Leightcap <jack@leightcap.com>
Date: Wed, 27 Sep 2023 19:29:03 -0400
Subject: [PATCH] nextpnr-xilinx: init at 0.5.0

Signed-off-by: Jack Leightcap <jack@leightcap.com>
---
 .../compilers/nextpnr-xilinx/default.nix      | 54 +++++++++++++++++++
 .../nextpnr-xilinx/nextpnr-setup-hook.sh      |  5 ++
 pkgs/top-level/all-packages.nix               |  2 +
 3 files changed, 61 insertions(+)
 create mode 100644 pkgs/development/compilers/nextpnr-xilinx/default.nix
 create mode 100644 pkgs/development/compilers/nextpnr-xilinx/nextpnr-setup-hook.sh

diff --git a/pkgs/development/compilers/nextpnr-xilinx/default.nix b/pkgs/development/compilers/nextpnr-xilinx/default.nix
new file mode 100644
index 0000000000000..eae437ec3fac7
--- /dev/null
+++ b/pkgs/development/compilers/nextpnr-xilinx/default.nix
@@ -0,0 +1,54 @@
+{ stdenv
+, cmake
+, git
+, lib
+, fetchFromGitHub
+, python310Packages
+, python310
+, eigen
+, llvmPackages
+}:
+stdenv.mkDerivation rec {
+  pname = "nextpnr-xilinx";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "openXC7";
+    repo = "nextpnr-xilinx";
+    rev = version;
+    hash = "sha256-mDYEmq3MW1kK9HeR4PyGmKQnAzpvlOf+H66o7QTFx3k=";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ cmake git ];
+  buildInputs = [ python310Packages.boost python310 eigen ]
+    ++ (lib.optional stdenv.cc.isClang [ llvmPackages.openmp ]);
+
+  setupHook = ./nextpnr-setup-hook.sh;
+
+  cmakeFlags = [
+    "-DCURRENT_GIT_VERSION=${lib.substring 0 7 src.rev}"
+    "-DARCH=xilinx"
+    "-DBUILD_GUI=OFF"
+    "-DBUILD_TESTS=OFF"
+    "-DUSE_OPENMP=ON"
+  ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp nextpnr-xilinx bba/bbasm $out/bin/
+    mkdir -p $out/share/nextpnr/external
+    cp -rv ../xilinx/external/prjxray-db $out/share/nextpnr/external/
+    cp -rv ../xilinx/external/nextpnr-xilinx-meta $out/share/nextpnr/external/
+    cp -rv ../xilinx/python/ $out/share/nextpnr/python/
+    cp ../xilinx/constids.inc $out/share/nextpnr
+  '';
+
+  meta = with lib; {
+    description = "Place and route tool for FPGAs";
+    homepage = "https://github.com/openXC7/nextpnr-xilinx";
+    license = licenses.isc;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ jleightcap hansfbaier ];
+  };
+}
diff --git a/pkgs/development/compilers/nextpnr-xilinx/nextpnr-setup-hook.sh b/pkgs/development/compilers/nextpnr-xilinx/nextpnr-setup-hook.sh
new file mode 100644
index 0000000000000..25baf81576380
--- /dev/null
+++ b/pkgs/development/compilers/nextpnr-xilinx/nextpnr-setup-hook.sh
@@ -0,0 +1,5 @@
+addNextpnrPaths() {
+  addToSearchPath NEXTPNR_XILINX_DIR "$1/usr/share/nextpnr"
+}
+
+addEnvHooks "$targetOffset" addNextpnrPaths
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7c51a4ea45758..bcf2c6f1450e1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16826,6 +16826,8 @@ with pkgs;
 
   nextpnr = callPackage ../development/compilers/nextpnr { };
 
+  nextpnr-xilinx = callPackage ../development/compilers/nextpnr-xilinx { };
+
   nextpnrWithGui = libsForQt5.callPackage ../development/compilers/nextpnr {
     enableGui = true;
     inherit (darwin.apple_sdk.frameworks) OpenGL;