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make-disk-image: make efi variables writeable

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Jörg Thalheim 2024-06-03 13:17:44 +02:00 committed by mergify[bot]
parent 27ab704b3d
commit 6de2014749
1 changed files with 11 additions and 1 deletions
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12
lib/make-disk-image.nix
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@ -32,6 +32,10 @@ let
] ++ nixosConfig.config.disko.extraDependencies; ] ++ nixosConfig.config.disko.extraDependencies;
preVM = '' preVM = ''
${lib.concatMapStringsSep "\n" (disk: "truncate -s ${disk.imageSize} ${disk.name}.raw") (lib.attrValues nixosConfig.config.disko.devices.disk)} ${lib.concatMapStringsSep "\n" (disk: "truncate -s ${disk.imageSize} ${disk.name}.raw") (lib.attrValues nixosConfig.config.disko.devices.disk)}
# This makes disko work, when canTouchEfiVariables is set to true.
# Technically these boot entries will no be persisted this way, but
# in most cases this is OK, because we can rely on the standard location for UEFI executables.
install -m600 ${pkgs.OVMF.variables} efivars.fd
''; '';
postVM = '' postVM = ''
# shellcheck disable=SC2154 # shellcheck disable=SC2154
@ -51,6 +55,7 @@ let
ln -sfn /proc/self/fd/1 /dev/stdout ln -sfn /proc/self/fd/1 /dev/stdout
ln -sfn /proc/self/fd/2 /dev/stderr ln -sfn /proc/self/fd/2 /dev/stderr
mkdir -p /etc/udev mkdir -p /etc/udev
mount -t efivarfs none /sys/firmware/efi/efivars
ln -sfn ${systemToInstall.config.system.build.etc}/etc/udev/rules.d /etc/udev/rules.d ln -sfn ${systemToInstall.config.system.build.etc}/etc/udev/rules.d /etc/udev/rules.d
mkdir -p /dev/.mdadm mkdir -p /dev/.mdadm
${pkgs.systemdMinimal}/lib/systemd/systemd-udevd --daemon ${pkgs.systemdMinimal}/lib/systemd/systemd-udevd --daemon
@ -74,7 +79,12 @@ let
umount -Rv ${systemToInstall.config.disko.rootMountPoint} umount -Rv ${systemToInstall.config.disko.rootMountPoint}
''; '';
QEMU_OPTS = "-drive if=pflash,format=raw,unit=0,readonly=on,file=${pkgs.OVMF.firmware}" + " " + (lib.concatMapStringsSep " " (disk: "-drive file=${disk.name}.raw,if=virtio,cache=unsafe,werror=report,format=raw") (lib.attrValues nixosConfig.config.disko.devices.disk)); QEMU_OPTS = lib.concatStringsSep " " ([
"-drive if=pflash,format=raw,unit=0,readonly=on,file=${pkgs.OVMF.firmware}"
"-drive if=pflash,format=raw,unit=1,file=efivars.fd"
] ++ builtins.map (disk:
"-drive file=${disk.name}.raw,if=virtio,cache=unsafe,werror=report,format=raw"
) (lib.attrValues nixosConfig.config.disko.devices.disk));
in in
{ {
pure = vmTools.runInLinuxVM (pkgs.runCommand name pure = vmTools.runInLinuxVM (pkgs.runCommand name