diff options
Diffstat (limited to 'nixos/modules/system/boot/uvesafb.nix')
-rw-r--r-- | nixos/modules/system/boot/uvesafb.nix | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/uvesafb.nix b/nixos/modules/system/boot/uvesafb.nix new file mode 100644 index 0000000000000..b10dc42887a15 --- /dev/null +++ b/nixos/modules/system/boot/uvesafb.nix @@ -0,0 +1,39 @@ +{ 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"'' + ]; + }; +} |