From a8692f85463ce5855bbb63e4596b776edef4fd6b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lars=20Sj=C3=B6strom?= <lars@radicore.se>
Date: Mon, 17 Feb 2025 15:15:24 +0100
Subject: [PATCH] silly uki image with the systemd-ukify tooling
---
flake.nix | 20 +++++++++++++++++++-
systemd/default.nix | 2 +-
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/flake.nix b/flake.nix
index 6a4e60f..195b76f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,10 +21,28 @@
packages = {
default = self.packages.${system}.image;
image = pkgs.writeShellScriptBin "image" ''
- echo "make image here..."
+ echo "make UKI..."
+ ${self.packages.${system}.systemd.out}/bin/ukify build \
+ --linux ${self.packages.${system}.kernel.kernel}/bzImage \
+ --initrd ./out/initrd.gz \
+ --cmdline "console=ttyS0" \
+ -o patos.uki
'';
kernel = pkgs.callPackage ./kernel { };
+ initrd = pkgs.writeShellScriptBin "mkinitrd" ''
+ echo "make initrd..."
+ mkdir -p out/lib
+ # copy systemd
+ cp -r ${self.packages.${system}.systemd.out}/* out/
+
+ # get shared libs
+ pushd out
+ find . -type f -executable | xargs ldd | awk '{print $3}' | grep -v systemd | sort -u | xargs cp -t lib
+
+ # gen initrd
+ find . -print0 | ${pkgs.lib.getExe pkgs.cpio} --null --owner=root:root -o --format=newc | ${pkgs.lib.getExe pkgs.gzip} -9 > initrd.gz
+ '';
systemd = pkgs.callPackage ./systemd { };
};
diff --git a/systemd/default.nix b/systemd/default.nix
index 99e4684..05aeba4 100644
--- a/systemd/default.nix
+++ b/systemd/default.nix
@@ -150,7 +150,7 @@ stdenv.mkDerivation (finalAttrs: {
"'${targetPackages.stdenv.cc.bintools.targetPrefix}readelf'" \
--replace \
"/usr/lib/systemd/boot/efi" \
- "$out/lib/systemd/boot/efi"
+ "$out/usr/lib/systemd/boot/efi"
''
# Finally, patch shebangs in scripts used at build time. This must not patch
# scripts that will end up in the output, to avoid build platform references