milkv/pioneer: init

milkv/pioneer/sd-image.nix

@@ -0,0 +1,57 @@
+{ config, lib, modulesPath, pkgs, ... }:
+
+let
+  inherit (pkgs) callPackage;
+
+  fip = callPackage ./fip.nix { };
+  zsbl = callPackage ./zsbl.nix { };
+  opensbi = callPackage ./opensbi.nix { };
+  linuxboot-kernel = callPackage ./linuxboot-kernel.nix { };
+  linuxboot-initrd = callPackage ./linuxboot-initrd.nix { };
+  dtbs = config.hardware.deviceTree.package;
+  firmware = callPackage ./firmware.nix {
+    inherit fip zsbl opensbi linuxboot-kernel linuxboot-initrd dtbs;
+  };
+in
+{
+  imports = [
+    "${modulesPath}/profiles/base.nix"
+    "${modulesPath}/installer/sd-card/sd-image.nix"
+    ./default.nix
+  ];
+
+  boot.loader = {
+    grub.enable = lib.mkDefault false;
+    generic-extlinux-compatible.enable = lib.mkDefault true;
+  };
+
+  hardware.enableRedistributableFirmware = true;
+
+  # For some reason the serial getty is not started automatically
+  # even though console=ttyS0,115200 is passed to the kernel.
+  # https://docs.kernel.org/admin-guide/serial-console.html
+  # https://github.com/NixOS/nixpkgs/issues/84105
+  systemd.services."serial-getty@ttyS0" = {
+    enable = true;
+    wantedBy = [ "getty.target" ];
+    serviceConfig.Restart = "always";
+  };
+
+  sdImage = {
+    imageName = "${config.sdImage.imageBaseName}-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}-milkv-pioneer.img";
+
+    populateFirmwareCommands = ''
+      mkdir -p firmware/
+      cp -a ${firmware}/* firmware/
+      touch firmware/BOOT
+    '';
+
+    firmwarePartitionOffset = 1;
+    firmwareSize = 128;
+
+    populateRootCommands = ''
+      mkdir -p ./files/boot
+      ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot
+    '';
+  };
+}