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nixos-hardware/starfive/visionfive/v1/firmware.nix

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2022-10-08 17:27:03 +02:00
{ runCommand
, buildPackages
, pkgs
}:
let
uboot = pkgs.callPackage ./uboot.nix { };
opensbi = pkgs.opensbi.override {
withPayload = "${uboot}/u-boot.bin";
withFDT = "${uboot}/u-boot.dtb";
};
in runCommand "firmware-starfive-visionfive-v1" {
nativeBuildInputs = with buildPackages; [ xxd ];
} ''
function handle_file {
inFile=$1
echo inFile: $inFile
outFile=$2
inSize=`stat -c "%s" $inFile`
inSize32HexBe=`printf "%08x\n" $inSize`
inSize32HexLe=''${inSize32HexBe:6:2}''${inSize32HexBe:4:2}''${inSize32HexBe:2:2}''${inSize32HexBe:0:2}
echo "inSize: $inSize (0x$inSize32HexBe, LE:0x$inSize32HexLe)"
echo $inSize32HexLe | xxd -r -ps > $outFile
cat $inFile >> $outFile
echo outFile: $outFile
outSize=`stat -c "%s" $outFile`
outSize32HexBe=`printf "%08x\n" $outSize`
echo "outSize: $outSize (0x$outSize32HexBe)"
}
mkdir -p "$out/nix-support"
echo "file bin \"$out/opensbi_u-boot_starfive_visionfive_v1.bin\"" >> "$out/nix-support/hydra-build-products"
handle_file ${opensbi}/share/opensbi/lp64/generic/firmware/fw_payload.bin $out/opensbi_u-boot_starfive_visionfive_v1.bin
''