128 lines
4.1 KiB
Nix
128 lines
4.1 KiB
Nix
{ buildPackages, runCommand, nettools, bc, bison, flex, perl, gmp, libmpc, mpfr, openssl
|
|
, ncurses
|
|
, libelf
|
|
, utillinux
|
|
, writeTextFile, ubootTools
|
|
, callPackage
|
|
}:
|
|
|
|
{ stdenv, buildPackages, perl, buildLinux
|
|
|
|
, # The kernel source tarball.
|
|
src
|
|
|
|
, # The kernel version.
|
|
version
|
|
|
|
, # Overrides to the kernel config.
|
|
extraConfig ? ""
|
|
|
|
, # The version number used for the module directory
|
|
modDirVersion ? version
|
|
|
|
, # An attribute set whose attributes express the availability of
|
|
# certain features in this kernel. E.g. `{iwlwifi = true;}'
|
|
# indicates a kernel that provides Intel wireless support. Used in
|
|
# NixOS to implement kernel-specific behaviour.
|
|
features ? {}
|
|
|
|
, # A list of patches to apply to the kernel. Each element of this list
|
|
# should be an attribute set {name, patch} where `name' is a
|
|
# symbolic name and `patch' is the actual patch. The patch may
|
|
# optionally be compressed with gzip or bzip2.
|
|
kernelPatches ? []
|
|
, ignoreConfigErrors ? hostPlatform.platform.name != "pc" ||
|
|
hostPlatform != stdenv.buildPlatform
|
|
, extraMeta ? {}
|
|
, hostPlatform
|
|
, ...
|
|
} @ args:
|
|
|
|
assert stdenv.isLinux;
|
|
|
|
let
|
|
|
|
lib = stdenv.lib;
|
|
|
|
# Combine the `features' attribute sets of all the kernel patches.
|
|
kernelFeatures = lib.fold (x: y: (x.features or {}) // y) ({
|
|
iwlwifi = true;
|
|
efiBootStub = true;
|
|
needsCifsUtils = true;
|
|
netfilterRPFilter = true;
|
|
} // features) kernelPatches;
|
|
|
|
config = import ./common-config.nix {
|
|
inherit stdenv version ;
|
|
# append extraConfig for backwards compatibility but also means the user can't override the kernelExtraConfig part
|
|
extraConfig = extraConfig + lib.optionalString (hostPlatform.platform ? kernelExtraConfig) hostPlatform.platform.kernelExtraConfig;
|
|
|
|
features = kernelFeatures; # Ensure we know of all extra patches, etc.
|
|
};
|
|
|
|
kernelConfigFun = baseConfig:
|
|
let
|
|
configFromPatches =
|
|
map ({extraConfig ? "", ...}: extraConfig) kernelPatches;
|
|
in lib.concatStringsSep "\n" ([baseConfig] ++ configFromPatches);
|
|
|
|
configfile = stdenv.mkDerivation {
|
|
inherit ignoreConfigErrors;
|
|
name = "linux-config-${version}";
|
|
|
|
generateConfig = ./generate-config.pl;
|
|
|
|
kernelConfig = kernelConfigFun config;
|
|
|
|
depsBuildBuild = [ buildPackages.stdenv.cc ];
|
|
nativeBuildInputs = [ perl ]
|
|
++ lib.optionals (stdenv.lib.versionAtLeast version "4.16") [ bison flex ];
|
|
|
|
platformName = hostPlatform.platform.name;
|
|
# e.g. "defconfig"
|
|
kernelBaseConfig = hostPlatform.platform.kernelBaseConfig;
|
|
# e.g. "bzImage"
|
|
kernelTarget = hostPlatform.platform.kernelTarget;
|
|
autoModules = hostPlatform.platform.kernelAutoModules;
|
|
preferBuiltin = hostPlatform.platform.kernelPreferBuiltin or false;
|
|
arch = hostPlatform.platform.kernelArch;
|
|
|
|
prePatch = kernel.prePatch + ''
|
|
# Patch kconfig to print "###" after every question so that
|
|
# generate-config.pl from the generic builder can answer them.
|
|
sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c
|
|
'';
|
|
|
|
inherit (kernel) src patches preUnpack;
|
|
|
|
buildPhase = ''
|
|
export buildRoot="''${buildRoot:-build}"
|
|
|
|
# Get a basic config file for later refinement with $generateConfig.
|
|
make HOSTCC=${buildPackages.stdenv.cc.targetPrefix}gcc -C . O="$buildRoot" $kernelBaseConfig ARCH=$arch
|
|
|
|
# Create the config file.
|
|
echo "generating kernel configuration..."
|
|
echo "$kernelConfig" > "$buildRoot/kernel-config"
|
|
DEBUG=1 ARCH=$arch KERNEL_CONFIG="$buildRoot/kernel-config" AUTO_MODULES=$autoModules \
|
|
PREFER_BUILTIN=$preferBuiltin BUILD_ROOT="$buildRoot" SRC=. perl -w $generateConfig
|
|
'';
|
|
|
|
installPhase = "mv $buildRoot/.config $out";
|
|
|
|
enableParallelBuilding = true;
|
|
};
|
|
|
|
kernel = (callPackage ./manual-config.nix {}) {
|
|
inherit version modDirVersion src kernelPatches stdenv extraMeta configfile hostPlatform;
|
|
|
|
config = { CONFIG_MODULES = "y"; CONFIG_FW_LOADER = "m"; };
|
|
};
|
|
|
|
passthru = {
|
|
features = kernelFeatures;
|
|
passthru = kernel.passthru // (removeAttrs passthru [ "passthru" ]);
|
|
};
|
|
|
|
in lib.extendDerivation true passthru kernel
|