nixfiles/system/hardware/binfmt.nix

44 lines
1016 B
Nix

{
pkgs,
config,
lib,
options,
...
}: let
configForSystem = (
system: let
riscv = ["riscv32-linux" "riscv64-linux"];
arm = ["armv6l-linux" "armv7l-linux" "aarch64-linux"];
x86 = ["i686-linux" "x86_64-linux"];
windows = ["x86_64-windows" "i686-windows"];
systems = {
x86_64-linux = riscv ++ arm;
aarch64-linux = riscv;
};
in
if (systems ? "${system}")
then systems."${system}"
else []
);
emulatedSystems = configForSystem "${pkgs.system}";
cfg = config.nixfiles.binfmt;
in {
options.nixfiles.binfmt = {
enable = lib.mkOption {
description = "Whether to configure default binfmt emulated systems for the current architecture";
type = lib.types.bool;
default = false;
example = true;
};
};
config = let
enable = cfg.enable && (builtins.length emulatedSystems) > 0;
in
lib.mkMerge [
(lib.mkIf enable {
boot.binfmt = {inherit emulatedSystems;};
})
];
}