143 lines
4.2 KiB
Nix
143 lines
4.2 KiB
Nix
{ stdenv, fetchurl, perl, mktemp, module_init_tools
|
|
|
|
, # The kernel source tarball.
|
|
src
|
|
|
|
, # The kernel version.
|
|
version
|
|
|
|
, # The version number used for the module directory
|
|
modDirVersion ? version
|
|
|
|
, # The kernel configuration.
|
|
config
|
|
|
|
, # The kernel configuration when cross building.
|
|
configCross ? {}
|
|
|
|
, # 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 ? []
|
|
|
|
, # Allows you to set your own kernel version suffix (e.g.,
|
|
# "-my-kernel").
|
|
localVersion ? ""
|
|
|
|
, preConfigure ? ""
|
|
, extraMeta ? {}
|
|
, ubootChooser ? null
|
|
, postInstall ? ""
|
|
|
|
, # After the builder did a 'make all' (kernel + modules)
|
|
# we force building the target asked: bzImage/zImage/uImage/...
|
|
postBuild ? "make $makeFlags $kernelTarget; make $makeFlags -C scripts unifdef"
|
|
, ...
|
|
}:
|
|
|
|
assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
|
|
|| stdenv.isArm || stdenv.system == "mips64el-linux";
|
|
|
|
assert stdenv.platform.name == "sheevaplug" -> stdenv.platform.uboot != null;
|
|
|
|
let
|
|
|
|
lib = stdenv.lib;
|
|
|
|
kernelConfigFun = baseConfig:
|
|
let
|
|
configFromPatches =
|
|
map ({extraConfig ? "", ...}: extraConfig) kernelPatches;
|
|
in lib.concatStringsSep "\n" ([baseConfig] ++ configFromPatches);
|
|
|
|
in
|
|
|
|
stdenv.mkDerivation {
|
|
name = "linux-${version}";
|
|
|
|
enableParallelBuilding = true;
|
|
|
|
passthru = {
|
|
inherit version modDirVersion kernelPatches;
|
|
# Combine the `features' attribute sets of all the kernel patches.
|
|
features = lib.fold (x: y: (if x ? features then x.features else {}) // y) features kernelPatches;
|
|
};
|
|
|
|
builder = ./builder.sh;
|
|
|
|
generateConfig = ./generate-config.pl;
|
|
|
|
inherit preConfigure src module_init_tools localVersion postInstall postBuild;
|
|
|
|
patches = map (p: p.patch) kernelPatches;
|
|
|
|
kernelConfig = kernelConfigFun config;
|
|
|
|
# For UML and non-PC, just ignore all options that don't apply (We are lazy).
|
|
ignoreConfigErrors = stdenv.platform.name != "pc";
|
|
|
|
buildNativeInputs = [ perl mktemp ];
|
|
buildInputs = lib.optional (stdenv.platform.uboot != null)
|
|
(ubootChooser stdenv.platform.uboot);
|
|
|
|
platformName = stdenv.platform.name;
|
|
kernelBaseConfig = stdenv.platform.kernelBaseConfig;
|
|
kernelTarget = stdenv.platform.kernelTarget;
|
|
autoModules = stdenv.platform.kernelAutoModules;
|
|
|
|
# Should we trust platform.kernelArch? We can only do
|
|
# that once we differentiate i686/x86_64 in platforms.
|
|
arch =
|
|
if stdenv.system == "i686-linux" then "i386" else
|
|
if stdenv.system == "x86_64-linux" then "x86_64" else
|
|
if stdenv.isArm then "arm" else
|
|
if stdenv.system == "mips64el-linux" then "mips" else
|
|
abort "Platform ${stdenv.system} is not supported.";
|
|
|
|
crossAttrs = let
|
|
cp = stdenv.cross.platform;
|
|
in
|
|
assert cp.name == "sheevaplug" -> cp.uboot != null;
|
|
{
|
|
arch = cp.kernelArch;
|
|
platformName = cp.name;
|
|
kernelBaseConfig = cp.kernelBaseConfig;
|
|
kernelTarget = cp.kernelTarget;
|
|
autoModules = cp.kernelAutoModules;
|
|
|
|
# Just ignore all options that don't apply (We are lazy).
|
|
ignoreConfigErrors = true;
|
|
|
|
kernelConfig = kernelConfigFun configCross;
|
|
|
|
# The substitution of crossAttrs happens *after* the stdenv cross adapter sets
|
|
# the parameters for the usual stdenv. Thus, we need to specify
|
|
# the ".hostDrv" in the buildInputs here.
|
|
buildInputs = lib.optional (cp.uboot != null) (ubootChooser cp.uboot).hostDrv;
|
|
};
|
|
|
|
meta = {
|
|
description =
|
|
"The Linux kernel" +
|
|
(if kernelPatches == [] then "" else
|
|
" (with patches: "
|
|
+ lib.concatStrings (lib.intersperse ", " (map (x: x.name) kernelPatches))
|
|
+ ")");
|
|
license = "GPLv2";
|
|
homepage = http://www.kernel.org/;
|
|
maintainers = [
|
|
lib.maintainers.eelco
|
|
lib.maintainers.shlevy
|
|
lib.maintainers.chaoflow
|
|
];
|
|
platforms = lib.platforms.linux;
|
|
} // extraMeta;
|
|
}
|
|
|