initial commit

config/common/repart.nix

@@ -0,0 +1,79 @@
+{
+  modulesPath,
+  crossPkgs,
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  efiArch = pkgs.stdenv.hostPlatform.efiArch;
+in {
+  imports = ["${modulesPath}/image/repart.nix"];
+  boot.loader.grub.enable = false;
+
+  systemd.repart = {
+    enable = true;
+    partitions."03-root".Type = "root";
+  };
+
+  boot.initrd = {
+    supportedFilesystems.ext4 = true;
+    systemd = {
+      enable = true;
+      root = "gpt-auto";
+    };
+  };
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/nixos";
+      fsType = "ext4";
+    };
+    "/boot" = {
+      device = "/dev/disk/by-label/ESP";
+      fsType = "vfat";
+    };
+  };
+
+  image.repart = {
+    name = "image";
+    split = true;
+    partitions = {
+      "20-esp" = {
+        contents = {
+          "/EFI/EDK2-UEFI-SHELL/SHELL.EFI".source = "${crossPkgs.edk2-uefi-shell.overrideAttrs {env.NIX_CFLAGS_COMPILE = "-Wno-error=maybe-uninitialized";}}/shell.efi";
+          "/EFI/BOOT/BOOT${lib.toUpper efiArch}.EFI".source = "${pkgs.systemd}/lib/systemd/boot/efi/systemd-boot${efiArch}.efi";
+          "/EFI/Linux/${config.system.boot.loader.ukiFile}".source = "${config.system.build.uki}/${config.system.boot.loader.ukiFile}";
+          "/loader/loader.conf".source = crossPkgs.writeText "loader.conf" ''
+            timeout 5
+            console-mode keep
+          '';
+          "/loader/entries/shell.conf".source = crossPkgs.writeText "shell.conf" ''
+            title  EDK2 UEFI Shell
+            efi    /EFI/EDK2-UEFI-SHELL/SHELL.EFI
+          '';
+        };
+        repartConfig = {
+          Type = "esp";
+          Label = "ESP";
+          Format = "vfat";
+          SplitName = "system";
+          SizeMinBytes = "500M";
+          GrowFileSystem = true;
+        };
+      };
+      "30-root" = {
+        storePaths = [config.system.build.toplevel];
+        contents."/boot".source = crossPkgs.runCommand "boot" {} "mkdir $out";
+        repartConfig = {
+          Type = "root";
+          Format = "ext4";
+          Label = "nixos";
+          Minimize = "guess";
+          SplitName = "userdata";
+          GrowFileSystem = true;
+        };
+      };
+    };
+  };
+}

config/sdm845/default.nix

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+{imports = [./kernel.nix];}

config/sdm845/kernel.nix

@@ -0,0 +1,83 @@
+# Based on https://github.com/linyinfeng/dotfiles/blob/ff3e52e30fcc27b8119792aee9b3afe9ce4739b6/nixos/profiles/boot/kernel/sdm845-mainline/default.nix, thank you!
+{
+  inputs,
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  tag = "sdm845-6.16-rc2-4";
+  hash = "sha256-Nu7BwSl40Ytm7nCzyctNed7nqwq7NcVVxHLF3KFMKC4=";
+  version = lib.elemAt (lib.strings.match "sdm845-([0-9\\.]+(-rc[0-9]+)?)(-[a-zA-Z0-9\\-]+)?" tag) 0;
+  major = lib.versions.major version;
+  minor = lib.versions.minor version;
+  inherit (lib.kernel) yes module;
+  structuredExtraConfig =
+    (import ../lib/adjust-standalone-config.nix) (import ./_config.nix {inherit lib;})
+    // {
+      # for envfs
+      EROFS_FS = yes;
+      NET_9P = module;
+      CONFIG_NET_9P_VIRTIO = module;
+      "9P_FS" = module;
+      # other
+      RUST = yes;
+    };
+in {
+  #
+  passthru.kernel = {
+    conf2nix = inputs.conf2nix.lib.conf2nix {
+      configFile = "${inputs.pmaports}/device/community/linux-postmarketos-qcom-sdm845/config-postmarketos-qcom-sdm845.aarch64";
+      inherit (config.boot.kernelPackages) kernel;
+      preset = "standalone";
+    };
+  };
+  boot = {
+    kernelPackages = let
+      linux_sdm845_fn = {
+        buildLinux,
+        lib,
+        ...
+      } @ args:
+        buildLinux (
+          args
+          // {
+            inherit version;
+            modDirVersion = "${lib.versions.pad 3 version}-sdm845";
+            extraMeta.branch = lib.versions.majorMinor version;
+            src = pkgs.fetchFromGitLab {
+              owner = "sdm845-mainline";
+              repo = "linux";
+              rev = tag;
+              inherit hash;
+            };
+            defconfig = "defconfig sdm845.config";
+            enableCommonConfig = false;
+            autoModules = false;
+            inherit structuredExtraConfig;
+
+            stdenv = let
+              originalPlatform = pkgs.stdenv.hostPlatform;
+              hostPlatform = assert pkgs.stdenv.hostPlatform.isAarch64;
+                originalPlatform
+                // {
+                  linux-kernel =
+                    originalPlatform.linux-kernel
+                    // {
+                      extraConfig = "";
+                    };
+                };
+            in
+              pkgs.stdenv // {inherit hostPlatform;};
+          }
+          // (args.argsOverride or {})
+        );
+      linux_sdm845 = pkgs.callPackage linux_sdm845_fn {
+        kernelPatches = lib.filter (p: !(lib.elem p.name [])) (
+          pkgs."linuxPackages_${major}_${minor}".kernel.kernelPatches or []
+        );
+      };
+    in
+      pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor linux_sdm845);
+  };
+}

flake.nix

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+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    gnome-mobile.url = "github:chuangzhu/nixpkgs-gnome-mobile";
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    conf2nix = {
+      url = "github:linyinfeng/conf2nix";
+      nixpkgs.follows = "nixpkgs";
+    };
+    pmaports = {
+      url = "gitlab:postmarketOS/pmaports?host=gitlab.postmarketos.org";
+      flake = false;
+    };
+  };
+
+  outputs = inputs:
+    inputs.flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = ["x86_64-linux" "aarch64-linux"];
+      perSystem = {
+        lib,
+        self',
+        pkgs,
+        system,
+        ...
+      }: {
+        _module.args.pkgs = import inputs.nixpkgs {inherit system;};
+        packages = import inputs.nixpkgs {
+          hostPlatform = system;
+          localSystem = system;
+          buildPlatform = "x86_64-linux";
+
+          overlays = [inputs.gnome-mobile.overlays.default];
+        };
+      };
+      flake.nixosModules.default = import ./module.nix;
+    };
+}

lib/adjust-standalone-config.nix

@@ -0,0 +1,9 @@
+# Taken from https://github.com/linyinfeng/kukui-nixos/blob/53027913fffd5bf48382bbcec6217d0352dc7278/lib/adjust-standalone-config.nix, thank you!
+{lib}: config:
+lib.mapAttrs (
+  _: value:
+    if (value.tristate or null) == "y"
+    then lib.mkOverride 90 value
+    else lib.mkOverride 110 value
+)
+config

module.nix

@@ -0,0 +1 @@
+{}: {}