grub: Support 32bit EFI on 64bit x86 platforms

This commit is contained in:
Florian Franzen 2019-01-28 12:00:58 +01:00
parent ca5004e26c
commit e51a840259
2 changed files with 29 additions and 18 deletions

View file

@ -165,6 +165,8 @@ let
else
"# No refind for ${targetArch}"
;
grubPkgs = if config.boot.loader.grub.forcei686 then pkgs.pkgsi686Linux else pkgs;
grubMenuCfg = ''
#
@ -241,7 +243,7 @@ let
# Modules that may or may not be available per-platform.
echo "Adding additional modules:"
for mod in efi_uga; do
if [ -f ${pkgs.grub2_efi}/lib/grub/${pkgs.grub2_efi.grubTarget}/$mod.mod ]; then
if [ -f ${grubPkgs.grub2_efi}/lib/grub/${grubPkgs.grub2_efi.grubTarget}/$mod.mod ]; then
echo " - $mod"
MODULES+=" $mod"
fi
@ -249,9 +251,9 @@ let
# Make our own efi program, we can't rely on "grub-install" since it seems to
# probe for devices, even with --skip-fs-probe.
${pkgs.grub2_efi}/bin/grub-mkimage -o $out/EFI/boot/boot${targetArch}.efi -p /EFI/boot -O ${pkgs.grub2_efi.grubTarget} \
${grubPkgs.grub2_efi}/bin/grub-mkimage -o $out/EFI/boot/boot${targetArch}.efi -p /EFI/boot -O ${grubPkgs.grub2_efi.grubTarget} \
$MODULES
cp ${pkgs.grub2_efi}/share/grub/unicode.pf2 $out/EFI/boot/
cp ${grubPkgs.grub2_efi}/share/grub/unicode.pf2 $out/EFI/boot/
cat <<EOF > $out/EFI/boot/grub.cfg
@ -362,7 +364,7 @@ let
# Name used by UEFI for architectures.
targetArch =
if pkgs.stdenv.isi686 then
if pkgs.stdenv.isi686 || config.boot.loader.grub.forcei686 then
"ia32"
else if pkgs.stdenv.isx86_64 then
"x64"
@ -506,7 +508,7 @@ in
# here and it causes a cyclic dependency.
boot.loader.grub.enable = false;
environment.systemPackages = [ pkgs.grub2 pkgs.grub2_efi ]
environment.systemPackages = [ grubPkgs.grub2 grubPkgs.grub2_efi ]
++ optional canx86BiosBoot pkgs.syslinux
;

View file

@ -8,13 +8,17 @@ let
efi = config.boot.loader.efi;
realGrub = if cfg.version == 1 then pkgs.grub
else if cfg.zfsSupport then pkgs.grub2.override { zfsSupport = true; }
grubPkgs =
# Package set of targeted architecture
if cfg.forcei686 then pkgs.pkgsi686Linux else pkgs;
realGrub = if cfg.version == 1 then grubPkgs.grub
else if cfg.zfsSupport then grubPkgs.grub2.override { zfsSupport = true; }
else if cfg.trustedBoot.enable
then if cfg.trustedBoot.isHPLaptop
then pkgs.trustedGrub-for-HP
else pkgs.trustedGrub
else pkgs.grub2;
then grubPkgs.trustedGrub-for-HP
else grubPkgs.trustedGrub
else grubPkgs.grub2;
grub =
# Don't include GRUB if we're only generating a GRUB menu (e.g.,
@ -58,14 +62,10 @@ let
version extraConfig extraPerEntryConfig extraEntries forceInstall useOSProber
extraEntriesBeforeNixOS extraPrepareConfig extraInitrd configurationLimit copyKernels
default fsIdentifier efiSupport efiInstallAsRemovable gfxmodeEfi gfxmodeBios;
path = (makeBinPath ([
pkgs.coreutils pkgs.gnused pkgs.gnugrep pkgs.findutils pkgs.diffutils pkgs.btrfs-progs
pkgs.utillinux ]
++ (optional (cfg.efiSupport && (cfg.version == 2)) pkgs.efibootmgr)
++ (optionals cfg.useOSProber [pkgs.busybox pkgs.os-prober])
)) + ":" + (makeSearchPathOutput "bin" "sbin" [
pkgs.mdadm pkgs.utillinux
]);
path = with pkgs; makeBinPath (
[ coreutils gnused gnugrep findutils diffutils btrfs-progs utillinux mdadm ]
++ optional (cfg.efiSupport && (cfg.version == 2)) efibootmgr
++ optionals cfg.useOSProber [ busybox os-prober ]);
font = if cfg.font == null then ""
else (if lib.last (lib.splitString "." cfg.font) == "pf2"
then cfg.font
@ -512,6 +512,15 @@ in
'';
};
forcei686 = mkOption {
default = false;
type = types.bool;
description = ''
Whether to force the use of a ia32 boot loader on x64 systems. Required
to install and run NixOS on 64bit x86 systems with 32bit (U)EFI.
'';
};
trustedBoot = {
enable = mkOption {