diff options
Diffstat (limited to 'nixos/modules/system/boot/loader/grub/grub.nix')
| -rw-r--r-- | nixos/modules/system/boot/loader/grub/grub.nix | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/nixos/modules/system/boot/loader/grub/grub.nix b/nixos/modules/system/boot/loader/grub/grub.nix index b760c3f96dd..49e73588ed6 100644 --- a/nixos/modules/system/boot/loader/grub/grub.nix +++ b/nixos/modules/system/boot/loader/grub/grub.nix @@ -61,6 +61,7 @@ let inherit (efi) canTouchEfiVariables; inherit (cfg) version extraConfig extraPerEntryConfig extraEntries forceInstall useOSProber + extraGrubInstallArgs extraEntriesBeforeNixOS extraPrepareConfig configurationLimit copyKernels default fsIdentifier efiSupport efiInstallAsRemovable gfxmodeEfi gfxmodeBios gfxpayloadEfi gfxpayloadBios; path = with pkgs; makeBinPath ( @@ -298,6 +299,33 @@ in ''; }; + extraGrubInstallArgs = mkOption { + default = [ ]; + example = [ "--modules=nativedisk ahci pata part_gpt part_msdos diskfilter mdraid1x lvm ext2" ]; + type = types.listOf types.str; + description = '' + Additional arguments passed to <literal>grub-install</literal>. + + A use case for this is to build specific GRUB2 modules + directly into the GRUB2 kernel image, so that they are available + and activated even in the <literal>grub rescue</literal> shell. + + They are also necessary when the BIOS/UEFI is bugged and cannot + correctly read large disks (e.g. above 2 TB), so GRUB2's own + <literal>nativedisk</literal> and related modules can be used + to use its own disk drivers. The example shows one such case. + This is also useful for booting from USB. + See the + <link xlink:href="http://git.savannah.gnu.org/cgit/grub.git/tree/grub-core/commands/nativedisk.c?h=grub-2.04#n326"> + GRUB source code + </link> + for which disk modules are available. + + The list elements are passed directly as <literal>argv</literal> + arguments to the <literal>grub-install</literal> program, in order. + ''; + }; + extraPerEntryConfig = mkOption { default = ""; example = "root (hd0)"; @@ -669,7 +697,7 @@ in in pkgs.writeScript "install-grub.sh" ('' #!${pkgs.runtimeShell} set -e - export PERL5LIB=${with pkgs.perlPackages; makePerlPath [ FileSlurp XMLLibXML XMLSAX XMLSAXBase ListCompare ]} + export PERL5LIB=${with pkgs.perlPackages; makePerlPath [ FileSlurp XMLLibXML XMLSAX XMLSAXBase ListCompare JSON ]} ${optionalString cfg.enableCryptodisk "export GRUB_ENABLE_CRYPTODISK=y"} '' + flip concatMapStrings cfg.mirroredBoots (args: '' ${pkgs.perl}/bin/perl ${install-grub-pl} ${grubConfig args} $@ |