99 lines
2.7 KiB
Nix
99 lines
2.7 KiB
Nix
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{pkgs, config, ...}:
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###### interface
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let
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inherit (pkgs.lib) mkOption mkIf;
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options = {
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boot = {
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loader = {
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efiBootStub = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to use the linux kernel as an EFI bootloader.
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When enabled, the kernel, initrd, and an EFI shell script
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to boot the system are copied to the EFI system partition.
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'';
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};
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efiDisk = mkOption {
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default = "/dev/sda";
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description = ''
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The disk that contains the EFI system partition. Only used by
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efibootmgr
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'';
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};
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efiPartition = mkOption {
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default = "1";
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description = ''
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The partition number of the EFI system partition. Only used by
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efibootmgr
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'';
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};
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efiSysMountPoint = mkOption {
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default = "/boot";
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description = ''
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Where the EFI System Partition is mounted.
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'';
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};
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runEfibootmgr = mkOption {
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default = false;
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description = ''
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Whether to run efibootmgr to add the configuration to the boot options list.
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WARNING! efibootmgr has been rumored to brick Apple firmware! Use 'bless' on
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Apple efi systems.
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'';
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};
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installStartupNsh = mkOption {
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default = false;
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description = ''
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Whether to install a startup.nsh in the root of the EFI system partition.
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For now, it will just boot the latest version when run, the eventual goal
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is to have a basic menu-type interface.
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'';
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};
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};
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};
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};
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};
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in
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###### implementation
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let
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efiBootStubBuilder = pkgs.substituteAll {
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src = ./efi-boot-stub-builder.sh;
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isExecutable = true;
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inherit (pkgs) bash;
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path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep] ++ (pkgs.stdenv.lib.optionals config.boot.loader.efiBootStub.runEfibootmgr [pkgs.efibootmgr pkgs.module_init_tools]);
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inherit (config.boot.loader.efiBootStub) efiSysMountPoint runEfibootmgr installStartupNsh efiDisk efiPartition;
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kernelFile = platform.kernelTarget;
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};
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# Temporary check, for nixos to cope both with nixpkgs stdenv-updates and trunk
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platform = pkgs.stdenv.platform;
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in
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{
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require = [
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options
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# config.system.build
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# ../system/system-options.nix
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];
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system = mkIf config.boot.loader.efiBootStub.enable {
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build = {
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menuBuilder = efiBootStubBuilder;
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};
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boot.loader.id = "efiBootStub";
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boot.loader.kernelFile = platform.kernelTarget;
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};
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}
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