24 lines
675 B
Nix
24 lines
675 B
Nix
{
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stdenv
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, dtc
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, lib
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}:
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{ dts
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, includes
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, commandLine
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}:let
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cppDtSearchFlags = builtins.concatStringsSep " " (map (f: "-I${f}") includes);
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dtcSearchFlags = builtins.concatStringsSep " " (map (f: "-i${f}") includes);
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cmdline = lib.concatStringsSep " " commandLine;
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in stdenv.mkDerivation {
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name = "dtb";
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phases = [ "buildPhase" ];
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nativeBuildInputs = [ dtc ];
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buildPhase = ''
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${stdenv.cc.targetPrefix}cpp -nostdinc -x assembler-with-cpp ${cppDtSearchFlags} -undef -D__DTS__ -o dtb.tmp ${dts}
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echo '/{ chosen { bootargs = ${builtins.toJSON cmdline}; }; };' >> dtb.tmp
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dtc ${dtcSearchFlags} -I dts -O dtb -o $out dtb.tmp
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test -e $out
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'';
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}
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