From fedae9b8bcd02eea9d2133558db9c46032ce1f83 Mon Sep 17 00:00:00 2001
From: Nicholas Orlowsky <nickorlow@nickorlow.com>
Date: Tue, 27 May 2025 18:06:00 -0400
Subject: [PATCH] init commit (25.05 warbler/6.14.8)

---
 .gitignore  |  1 +
 default.nix | 10 ++++++++++
 result      |  1 +
 xdma.nix    | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 62 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 default.nix
 create mode 120000 result
 create mode 100644 xdma.nix

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1cd791b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+result/
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..2498ed5
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,10 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/25.05";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+{
+
+  xdma = pkgs.callPackage ./xdma.nix { };
+
+}
diff --git a/result b/result
new file mode 120000
index 0000000..19adaf0
--- /dev/null
+++ b/result
@@ -0,0 +1 @@
+/nix/store/kvf183s5ps664qkdqp515nh4avny0750-xdma-module-6.14.8
\ No newline at end of file
diff --git a/xdma.nix b/xdma.nix
new file mode 100644
index 0000000..fe65c9b
--- /dev/null
+++ b/xdma.nix
@@ -0,0 +1,50 @@
+{ stdenv
+, nukeReferences
+, linuxPackages_latest
+, kernel ? linuxPackages_latest.kernel
+,  fetchFromGitHub
+, bash 
+}:
+
+stdenv.mkDerivation {
+  version = "1.0";
+  name = "xdma-module-${kernel.modDirVersion}";
+
+  buildInputs = [ bash nukeReferences ];
+  nativeBuildInputs = kernel.moduleBuildDependencies;
+
+  src = fetchFromGitHub {
+    owner = "Xilinx";
+    repo = "dma_ip_drivers";
+    rev = "e8ec40374c4c7831195c23109f586ecd03f6b11f";
+    sha256 = "sha256-k8O0yU9i0IlNvJU2tMFFVx1LLcLzaar2wfPiDChRdzw=";
+  };
+
+  cmakeFlags = [
+    "-D__LIBXDMA_DEBUG__"
+  ];
+
+  postUnpack = ''
+    cd source
+    find . -type f -exec sed -i 's|/bin/bash|${bash}/bin/bash|g' {} +
+    find . -type f -exec sed -i 's|/lib/modules|${kernel.dev}/lib/modules|g' {} +
+    find . -type f -exec sed -i 's|$(shell uname -r)|${kernel.modDirVersion}|g' {} +
+    cd XDMA/linux-kernel/xdma
+    sourceRoot="$(pwd -P)"
+  '';
+
+
+  buildPhase = ''
+    make all DEBUG=1
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib/modules/$kernelVersion/misc
+    for x in $(find . -name '*.ko'); do
+      nuke-refs $x
+      cp $x $out/lib/modules/$kernelVersion/misc/
+    done
+  '';
+
+  meta.platforms = [ "x86_64-linux" ];
+}