2023-06-27 22:17:04 +02:00
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{
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stdenv
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, buildPackages
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, kernelSrc ? null
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, modulesupport ? null
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, targets ? []
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, kconfig ? {}
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, openssl
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, writeText
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, lib
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}:
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let
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writeConfig = import ../kernel/write-kconfig.nix { inherit lib writeText; };
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2023-09-24 01:17:32 +02:00
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arch = if stdenv.isMips
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then "mips"
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else if stdenv.isAarch64
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then "arm64"
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else throw "unknown arch";
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2023-06-27 22:17:04 +02:00
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in stdenv.mkDerivation {
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name = "kernel-modules";
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nativeBuildInputs = [buildPackages.stdenv.cc] ++
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(with buildPackages.pkgs; [
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bc bison flex
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openssl
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cpio
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kmod
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]);
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CC = "${stdenv.cc.bintools.targetPrefix}gcc";
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HOST_EXTRACFLAGS = with buildPackages.pkgs;
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"-I${buildPackages.openssl.dev}/include -L${buildPackages.openssl.out}/lib";
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CROSS_COMPILE = stdenv.cc.bintools.targetPrefix;
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2023-09-24 01:17:32 +02:00
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ARCH = arch;
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2023-06-27 22:17:04 +02:00
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KBUILD_BUILD_HOST = "liminix.builder";
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buildPhase = ''
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cat ${writeConfig "kconfig" kconfig} > .more-config
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cat .more-config >> .config
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make olddefconfig
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for v in $(cat .more-config) ; do grep $v .config || (echo Missing $v && exit 1);done
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# grep =m .config
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make modules
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'';
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src = modulesupport;
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installPhase = ''
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mkdir -p $out/lib/modules/0.0
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find . -name \*.ko | cpio --verbose --make-directories -p $out/lib/modules/0.0
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depmod -b $out -v 0.0
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touch $out/load.sh
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for i in ${lib.concatStringsSep " " targets}; do
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modprobe -S 0.0 -d $out --show-depends $i >> $out/load.sh
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done
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tac < $out/load.sh | sed 's/^insmod/rmmod/g' > $out/unload.sh
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'';
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}
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