m

1 files changed, 56 insertions, 0 deletions

diff --git a/hosts/local/master/rtl8188gu.nix b/hosts/local/master/rtl8188gu.nix
new file mode 100644
index 0000000..74aa78a
--- /dev/null
+++ b/hosts/local/master/rtl8188gu.nix
@@ -0,0 +1,56 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  kernel,
+  bc,
+}: let
+  modDestDir = "$out/lib/modules/${kernel.modDirVersion}/kernel/drivers/net/wireless/realtek/rtl8188gu";
+in
+  stdenv.mkDerivation rec {
+    name = "r8188gu-${kernel.version}-${version}";
+    # on update please verify that the source matches the realtek version
+    version = "1.0";
+
+    src = fetchFromGitHub {
+      owner = "McMCCRU";
+      repo = "rtl8188gu";
+      rev = "bb3292dbb72ba6675b5465245eee0e69912f6e76";
+      hash = "sha256-ixu8v3ikTdqlNBEp6YrvuoDWKyi0RxjySXr+fTuO77Q=";
+    };
+
+    hardeningDisable = ["pic"];
+
+    nativeBuildInputs = kernel.moduleBuildDependencies ++ [bc];
+
+    preBuild =
+      ''
+        makeFlagsArray+=("KVER=${kernel.modDirVersion}")
+        makeFlagsArray+=("KSRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build")
+        makeFlagsArray+=("modules")
+
+        # try to make it work for v5.8 - but update_mgmt_frame_registrations is too different
+        #find -type f -exec sed -i 's/sha256_/rtl_sha256_/g ; s/timespec/timespec64/ ; s/getboottime/getboottime64/ ; s/mgmt_frame_register/update_mgmt_frame_registrations/g' {} \+
+        find -type f -exec sed -i 's/timespec/timespec64/ ; s/getboottime/getboottime64/ ; s/entry = proc_create_data.*/entry = NULL;/' {} \+
+      ''
+      + lib.optionalString stdenv.hostPlatform.isAarch64 ''
+        makeFlagsArray+=("ARCH=arm64")
+      '';
+
+    enableParallelBuilding = true;
+
+    installPhase = ''
+      mkdir -p ${modDestDir}
+      find . -name '*.ko' -exec cp --parents '{}' ${modDestDir} \;
+      find ${modDestDir} -name '*.ko' -exec xz -f '{}' \;
+    '';
+
+    meta = with lib; {
+      description = "Realtek RTL8188GU driver";
+      longDescription = ''
+        A kernel module for Realtek 8188 network cards.
+      '';
+      license = licenses.gpl2Plus;
+      platforms = platforms.linux;
+    };
+  }