diff options
author | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:33 +0000 |
---|---|---|
committer | Alyssa Ross <hi@alyssa.is> | 2022-05-31 09:59:57 +0000 |
commit | 9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch) | |
tree | 1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix | |
parent | 1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff) | |
parent | ddc3c396a51918043bb0faa6f676abd9562be62c (diff) | |
download | nixpkgs-archive.tar nixpkgs-archive.tar.gz nixpkgs-archive.tar.bz2 nixpkgs-archive.tar.lz nixpkgs-archive.tar.xz nixpkgs-archive.tar.zst nixpkgs-archive.zip |
Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out what the last version of Spectrum that worked on their NUC with Nvidia graphics is.
Diffstat (limited to 'nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix')
-rw-r--r-- | nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix b/nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix new file mode 100644 index 00000000000..c07567ec82e --- /dev/null +++ b/nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix @@ -0,0 +1,303 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.boot.loader.systemd-boot; + + efi = config.boot.loader.efi; + + systemdBootBuilder = pkgs.substituteAll { + src = ./systemd-boot-builder.py; + + isExecutable = true; + + inherit (pkgs) python3; + + systemd = config.systemd.package; + + nix = config.nix.package.out; + + timeout = if config.boot.loader.timeout != null then config.boot.loader.timeout else ""; + + editor = if cfg.editor then "True" else "False"; + + configurationLimit = if cfg.configurationLimit == null then 0 else cfg.configurationLimit; + + inherit (cfg) consoleMode graceful; + + inherit (efi) efiSysMountPoint canTouchEfiVariables; + + memtest86 = if cfg.memtest86.enable then pkgs.memtest86-efi else ""; + + netbootxyz = if cfg.netbootxyz.enable then pkgs.netbootxyz-efi else ""; + + copyExtraFiles = pkgs.writeShellScript "copy-extra-files" '' + empty_file=$(mktemp) + + ${concatStrings (mapAttrsToList (n: v: '' + ${pkgs.coreutils}/bin/install -Dp "${v}" "${efi.efiSysMountPoint}/"${escapeShellArg n} + ${pkgs.coreutils}/bin/install -D $empty_file "${efi.efiSysMountPoint}/efi/nixos/.extra-files/"${escapeShellArg n} + '') cfg.extraFiles)} + + ${concatStrings (mapAttrsToList (n: v: '' + ${pkgs.coreutils}/bin/install -Dp "${pkgs.writeText n v}" "${efi.efiSysMountPoint}/loader/entries/"${escapeShellArg n} + ${pkgs.coreutils}/bin/install -D $empty_file "${efi.efiSysMountPoint}/efi/nixos/.extra-files/loader/entries/"${escapeShellArg n} + '') cfg.extraEntries)} + ''; + }; + + checkedSystemdBootBuilder = pkgs.runCommand "systemd-boot" { + nativeBuildInputs = [ pkgs.mypy ]; + } '' + install -m755 ${systemdBootBuilder} $out + mypy \ + --no-implicit-optional \ + --disallow-untyped-calls \ + --disallow-untyped-defs \ + $out + ''; +in { + + imports = + [ (mkRenamedOptionModule [ "boot" "loader" "gummiboot" "enable" ] [ "boot" "loader" "systemd-boot" "enable" ]) + ]; + + options.boot.loader.systemd-boot = { + enable = mkOption { + default = false; + + type = types.bool; + + description = "Whether to enable the systemd-boot (formerly gummiboot) EFI boot manager"; + }; + + editor = mkOption { + default = true; + + type = types.bool; + + description = '' + Whether to allow editing the kernel command-line before + boot. It is recommended to set this to false, as it allows + gaining root access by passing init=/bin/sh as a kernel + parameter. However, it is enabled by default for backwards + compatibility. + ''; + }; + + configurationLimit = mkOption { + default = null; + example = 120; + type = types.nullOr types.int; + description = '' + Maximum number of latest generations in the boot menu. + Useful to prevent boot partition running out of disk space. + + <literal>null</literal> means no limit i.e. all generations + that were not garbage collected yet. + ''; + }; + + consoleMode = mkOption { + default = "keep"; + + type = types.enum [ "0" "1" "2" "auto" "max" "keep" ]; + + description = '' + The resolution of the console. The following values are valid: + + <itemizedlist> + <listitem><para> + <literal>"0"</literal>: Standard UEFI 80x25 mode + </para></listitem> + <listitem><para> + <literal>"1"</literal>: 80x50 mode, not supported by all devices + </para></listitem> + <listitem><para> + <literal>"2"</literal>: The first non-standard mode provided by the device firmware, if any + </para></listitem> + <listitem><para> + <literal>"auto"</literal>: Pick a suitable mode automatically using heuristics + </para></listitem> + <listitem><para> + <literal>"max"</literal>: Pick the highest-numbered available mode + </para></listitem> + <listitem><para> + <literal>"keep"</literal>: Keep the mode selected by firmware (the default) + </para></listitem> + </itemizedlist> + ''; + }; + + memtest86 = { + enable = mkOption { + default = false; + type = types.bool; + description = '' + Make MemTest86 available from the systemd-boot menu. MemTest86 is a + program for testing memory. MemTest86 is an unfree program, so + this requires <literal>allowUnfree</literal> to be set to + <literal>true</literal>. + ''; + }; + + entryFilename = mkOption { + default = "memtest86.conf"; + type = types.str; + description = '' + <literal>systemd-boot</literal> orders the menu entries by the config file names, + so if you want something to appear after all the NixOS entries, + it should start with <filename>o</filename> or onwards. + ''; + }; + }; + + netbootxyz = { + enable = mkOption { + default = false; + type = types.bool; + description = '' + Make <literal>netboot.xyz</literal> available from the + <literal>systemd-boot</literal> menu. <literal>netboot.xyz</literal> + is a menu system that allows you to boot OS installers and + utilities over the network. + ''; + }; + + entryFilename = mkOption { + default = "o_netbootxyz.conf"; + type = types.str; + description = '' + <literal>systemd-boot</literal> orders the menu entries by the config file names, + so if you want something to appear after all the NixOS entries, + it should start with <filename>o</filename> or onwards. + ''; + }; + }; + + extraEntries = mkOption { + type = types.attrsOf types.lines; + default = {}; + example = literalExpression '' + { "memtest86.conf" = ''' + title MemTest86 + efi /efi/memtest86/memtest86.efi + '''; } + ''; + description = '' + Any additional entries you want added to the <literal>systemd-boot</literal> menu. + These entries will be copied to <filename>/boot/loader/entries</filename>. + Each attribute name denotes the destination file name, + and the corresponding attribute value is the contents of the entry. + + <literal>systemd-boot</literal> orders the menu entries by the config file names, + so if you want something to appear after all the NixOS entries, + it should start with <filename>o</filename> or onwards. + ''; + }; + + extraFiles = mkOption { + type = types.attrsOf types.path; + default = {}; + example = literalExpression '' + { "efi/memtest86/memtest86.efi" = "''${pkgs.memtest86-efi}/BOOTX64.efi"; } + ''; + description = '' + A set of files to be copied to <filename>/boot</filename>. + Each attribute name denotes the destination file name in + <filename>/boot</filename>, while the corresponding + attribute value specifies the source file. + ''; + }; + + graceful = mkOption { + default = false; + + type = types.bool; + + description = '' + Invoke <literal>bootctl install</literal> with the <literal>--graceful</literal> option, + which ignores errors when EFI variables cannot be written or when the EFI System Partition + cannot be found. Currently only applies to random seed operations. + + Only enable this option if <literal>systemd-boot</literal> otherwise fails to install, as the + scope or implication of the <literal>--graceful</literal> option may change in the future. + ''; + }; + + }; + + config = mkIf cfg.enable { + assertions = [ + { + assertion = (config.boot.kernelPackages.kernel.features or { efiBootStub = true; }) ? efiBootStub; + message = "This kernel does not support the EFI boot stub"; + } + ] ++ concatMap (filename: [ + { + assertion = !(hasInfix "/" filename); + message = "boot.loader.systemd-boot.extraEntries.${lib.strings.escapeNixIdentifier filename} is invalid: entries within folders are not supported"; + } + { + assertion = hasSuffix ".conf" filename; + message = "boot.loader.systemd-boot.extraEntries.${lib.strings.escapeNixIdentifier filename} is invalid: entries must have a .conf file extension"; + } + ]) (builtins.attrNames cfg.extraEntries) + ++ concatMap (filename: [ + { + assertion = !(hasPrefix "/" filename); + message = "boot.loader.systemd-boot.extraFiles.${lib.strings.escapeNixIdentifier filename} is invalid: paths must not begin with a slash"; + } + { + assertion = !(hasInfix ".." filename); + message = "boot.loader.systemd-boot.extraFiles.${lib.strings.escapeNixIdentifier filename} is invalid: paths must not reference the parent directory"; + } + { + assertion = !(hasInfix "nixos/.extra-files" (toLower filename)); + message = "boot.loader.systemd-boot.extraFiles.${lib.strings.escapeNixIdentifier filename} is invalid: files cannot be placed in the nixos/.extra-files directory"; + } + ]) (builtins.attrNames cfg.extraFiles); + + boot.loader.grub.enable = mkDefault false; + + boot.loader.supportsInitrdSecrets = true; + + boot.loader.systemd-boot.extraFiles = mkMerge [ + # TODO: This is hard-coded to use the 64-bit EFI app, but it could probably + # be updated to use the 32-bit EFI app on 32-bit systems. The 32-bit EFI + # app filename is BOOTIA32.efi. + (mkIf cfg.memtest86.enable { + "efi/memtest86/BOOTX64.efi" = "${pkgs.memtest86-efi}/BOOTX64.efi"; + }) + (mkIf cfg.netbootxyz.enable { + "efi/netbootxyz/netboot.xyz.efi" = "${pkgs.netbootxyz-efi}"; + }) + ]; + + boot.loader.systemd-boot.extraEntries = mkMerge [ + (mkIf cfg.memtest86.enable { + "${cfg.memtest86.entryFilename}" = '' + title MemTest86 + efi /efi/memtest86/BOOTX64.efi + ''; + }) + (mkIf cfg.netbootxyz.enable { + "${cfg.netbootxyz.entryFilename}" = '' + title netboot.xyz + efi /efi/netbootxyz/netboot.xyz.efi + ''; + }) + ]; + + system = { + build.installBootLoader = checkedSystemdBootBuilder; + + boot.loader.id = "systemd-boot"; + + requiredKernelConfig = with config.lib.kernelConfig; [ + (isYes "EFI_STUB") + ]; + }; + }; +} |