liminix-fork/pkgs/kernel-modules/default.nix
2023-09-24 00:17:32 +01:00

55 lines
1.6 KiB
Nix

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