nixpkgs/nixos/modules/system/boot/uvesafb.nix
lucasew d31cf8ca0c nixos/uvesafb: init
Signed-off-by: lucasew <lucas59356@gmail.com>
2022-10-23 11:47:11 -03:00

40 lines
1.3 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.boot.uvesafb;
inherit (lib) mkIf mkEnableOption mkOption mdDoc types;
in {
options = {
boot.uvesafb = {
enable = mkEnableOption (mdDoc "uvesafb");
gfx-mode = mkOption {
type = types.str;
default = "1024x768-32";
description = mdDoc "Screen resolution in modedb format. See [uvesafb](https://docs.kernel.org/fb/uvesafb.html) and [modedb](https://docs.kernel.org/fb/modedb.html) documentation for more details. The default value is a sensible default but may be not ideal for all setups.";
};
v86d.package = mkOption {
type = types.package;
description = mdDoc "Which v86d package to use with uvesafb";
defaultText = ''config.boot.kernelPackages.v86d.overrideAttrs (old: {
hardeningDisable = [ "all" ];
})'';
default = config.boot.kernelPackages.v86d.overrideAttrs (old: {
hardeningDisable = [ "all" ];
});
};
};
};
config = mkIf cfg.enable {
boot.initrd = {
kernelModules = [ "uvesafb" ];
extraFiles."/usr/v86d".source = cfg.v86d.package;
};
boot.kernelParams = [
"video=uvesafb:mode:${cfg.gfx-mode},mtrr:3,ywrap"
''uvesafb.v86d="${cfg.v86d.package}/bin/v86d"''
];
};
}