forked from mirrors/nixpkgs
29 lines
931 B
Nix
29 lines
931 B
Nix
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{ stdenvNoCC, dtc, findutils, raspberrypifw }:
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with stdenvNoCC.lib; {
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applyOverlays = (base: overlays: stdenvNoCC.mkDerivation {
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name = "device-tree-overlays";
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nativeBuildInputs = [ dtc findutils ];
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buildCommand = let
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quotedDtbos = concatMapStringsSep " " (o: "\"${toString o}\"") (toList overlays);
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in ''
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for dtb in $(find ${base} -name "*.dtb" ); do
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outDtb=$out/$(realpath --relative-to "${base}" "$dtb")
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mkdir -p "$(dirname "$outDtb")"
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fdtoverlay -o "$outDtb" -i "$dtb" ${quotedDtbos};
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done
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'';
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});
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raspberryPiDtbs = stdenvNoCC.mkDerivation {
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name = "raspberrypi-dtbs-${raspberrypifw.version}";
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nativeBuildInputs = [ raspberrypifw ];
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buildCommand = ''
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mkdir -p $out/broadcom/
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cp ${raspberrypifw}/share/raspberrypi/boot/bcm*.dtb $out/broadcom
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'';
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};
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raspberryPiOverlays = "${raspberrypifw}/share/raspberrypi/boot/overlays";
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}
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