diff options
Diffstat (limited to 'nixos/modules/system/boot/kexec.nix')
-rw-r--r-- | nixos/modules/system/boot/kexec.nix | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/kexec.nix b/nixos/modules/system/boot/kexec.nix new file mode 100644 index 000000000000..b7821f9509f1 --- /dev/null +++ b/nixos/modules/system/boot/kexec.nix @@ -0,0 +1,21 @@ +{ config, pkgs, ... }: + +{ + environment.systemPackages = [ pkgs.kexectools ]; + + systemd.services."prepare-kexec" = + { description = "Preparation for kexec"; + wantedBy = [ "kexec.target" ]; + before = [ "systemd-kexec.service" ]; + unitConfig.DefaultDependencies = false; + serviceConfig.Type = "oneshot"; + path = [ pkgs.kexectools ]; + script = + '' + p=$(readlink -f /nix/var/nix/profiles/system) + if ! [ -d $p ]; then exit 1; fi + exec kexec --load $p/kernel --initrd=$p/initrd --append="$(cat $p/kernel-params) init=$p/init" + ''; + }; + +} \ No newline at end of file |