{ lzma , stdenv , ubootTools , dtc } : let objcopy = "${stdenv.cc.bintools.targetPrefix}objcopy"; in { kernel , commandLine , entryPoint , extraName ? "" # e.g. socFamily , loadAddress , dtb ? null } : stdenv.mkDerivation { name = "kernel.image"; phases = [ "preparePhase" (if dtb != null then "dtbPhase" else ":") "buildPhase" "installPhase" ]; nativeBuildInputs = [ lzma dtc stdenv.cc ubootTools ]; preparePhase = '' cp ${kernel} vmlinux.elf; chmod +w vmlinux.elf ''; dtbPhase = '' dtc -I dtb -O dts -o tmp.dts ${dtb} echo '/{ chosen { bootargs = ${builtins.toJSON commandLine}; }; };' >> tmp.dts dtc -I dts -O dtb -o tmp.dtb tmp.dts ${objcopy} --update-section .appended_dtb=tmp.dtb vmlinux.elf || ${objcopy} --add-section .appended_dtb=${dtb} vmlinux.elf ''; buildPhase = '' ${objcopy} -O binary -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id -S vmlinux.elf vmlinux.bin rm -f vmlinux.bin.lzma ; lzma -k -z vmlinux.bin mkimage -A mips -O linux -T kernel -C lzma -a ${loadAddress} -e ${entryPoint} -n 'MIPS Liminix Linux ${extraName}' -d vmlinux.bin.lzma kernel.uimage ''; installPhase = '' cp kernel.uimage $out ''; }