depot/third_party/nixpkgs/nixos/modules/system/boot/uki.nix
Default email 23b612e36f Project import generated by Copybara.
GitOrigin-RevId: ae5c332cbb5827f6b1f02572496b141021de335f
2024-01-25 23:12:00 +09:00

85 lines
2.4 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.boot.uki;
inherit (pkgs.stdenv.hostPlatform) efiArch;
format = pkgs.formats.ini { };
ukifyConfig = format.generate "ukify.conf" cfg.settings;
in
{
options = {
boot.uki = {
name = lib.mkOption {
type = lib.types.str;
description = lib.mdDoc "Name of the UKI";
};
version = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = config.system.image.version;
defaultText = lib.literalExpression "config.system.image.version";
description = lib.mdDoc "Version of the image or generation the UKI belongs to";
};
settings = lib.mkOption {
type = format.type;
description = lib.mdDoc ''
The configuration settings for ukify. These control what the UKI
contains and how it is built.
'';
};
};
system.boot.loader.ukiFile = lib.mkOption {
type = lib.types.str;
internal = true;
description = lib.mdDoc "Name of the UKI file";
};
};
config = {
boot.uki.name = lib.mkOptionDefault (if config.system.image.id != null then
config.system.image.id
else
"nixos");
boot.uki.settings = lib.mkOptionDefault {
UKI = {
Linux = "${config.boot.kernelPackages.kernel}/${config.system.boot.loader.kernelFile}";
Initrd = "${config.system.build.initialRamdisk}/${config.system.boot.loader.initrdFile}";
Cmdline = "init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams}";
Stub = "${pkgs.systemd}/lib/systemd/boot/efi/linux${efiArch}.efi.stub";
Uname = "${config.boot.kernelPackages.kernel.modDirVersion}";
OSRelease = "@${config.system.build.etc}/etc/os-release";
# This is needed for cross compiling.
EFIArch = efiArch;
};
};
system.boot.loader.ukiFile =
let
name = config.boot.uki.name;
version = config.boot.uki.version;
versionInfix = if version != null then "_${version}" else "";
in
name + versionInfix + ".efi";
system.build.uki = pkgs.runCommand config.system.boot.loader.ukiFile { } ''
mkdir -p $out
${pkgs.buildPackages.systemdUkify}/lib/systemd/ukify build \
--config=${ukifyConfig} \
--output="$out/${config.system.boot.loader.ukiFile}"
'';
meta.maintainers = with lib.maintainers; [ nikstur ];
};
}