integrate linien-server to not-os

flake.nix

@@ -11,7 +11,7 @@
   outputs = { self, nixpkgs, not-os, src-migen, src-misoc }:
     let
       pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ crosspkgs-overlay ]; };
-      not-os-cfg = not-os-configured.config.system;
+      pkgs-armv7l = pkgs.pkgsCross.zynq-armv7l-linux;
       fsbl-support = ./fast-servo/fsbl-support;
 
       patched-not-os = pkgs.applyPatches {
@@ -100,18 +100,18 @@
         runScript = "vivado";
       };
 
-      pyrp3 = pkgs.python3Packages.buildPythonPackage rec {
+      pyrp3 = pkgs-armv7l.python3Packages.buildPythonPackage rec {
         pname = "pyrp3";
         version = "1.2.0";
         pyproject = true;
         src = pkgs.fetchFromGitHub {
           owner = "linien-org";
-          repo = "${pname}";
+          repo = "pyrp3";
           rev = "v${version}";
           hash = "sha256-43TTlpJ5SMAjQM71bNVvrWQyciRXM3zpuA/Dw41AEgU=";
         };
-        nativeBuildInputs = with pkgs.python3Packages; [ setuptools wheel setuptools-scm ];
-        propagatedBuildInputs = with pkgs.python3Packages; [
+        nativeBuildInputs = with pkgs-armv7l.python3Packages; [ setuptools wheel setuptools-scm ];
+        propagatedBuildInputs = with pkgs-armv7l.python3Packages; [
           myhdl
           rpyc4
           cached-property
@@ -119,7 +119,7 @@
         ];
       };
 
-      linien-server = pkgs.python3Packages.buildPythonPackage rec {
+      linien-server = pkgs-armv7l.python3Packages.buildPythonPackage rec {
         pname = "linien-server";
         pyproject = true;
         inherit (pkgs.python3Packages.linien-common) src version;
@@ -130,8 +130,8 @@
             --replace "  stop_nginx()" "" \
             --replace "  flash_fpga()" ""
         '';
-        nativeBuildInputs = [ pkgs.python3Packages.setuptools ];
-        propagatedBuildInputs = with pkgs.python3Packages; [
+        nativeBuildInputs = [ pkgs-armv7l.python3Packages.setuptools ];
+        propagatedBuildInputs = with pkgs-armv7l.python3Packages; [
           appdirs
           certifi
           click
@@ -143,15 +143,6 @@
         ];
       };
 
-      not-os-configured = (import patched-not-os {
-        inherit nixpkgs;
-        extraModules = [
-          "${patched-not-os}/zynq_image.nix"
-        ];
-        system = "x86_64-linux";
-        inherit crossSystem;
-      });
-
       fast-servo-gateware = pkgs.stdenv.mkDerivation rec {
         name = "fast-servo-gateware";
         inherit (pkgs.python3Packages.linien-common) src;
@@ -213,6 +204,20 @@
       };
 
       board-package-set = { board }: let
+        not-os-configured = (import patched-not-os {
+          inherit nixpkgs;
+          extraModules = [
+            "${patched-not-os}/zynq_image.nix"
+          ] ++ pkgs.lib.optionals (board == "fast-servo") [
+            ({ config, pkgs, ... }: {
+              environment.systemPackages = [ linien-server ];
+            })];
+          system = "x86_64-linux";
+          inherit crossSystem;
+        });
+
+        not-os-build = not-os-configured.config.system.build;
+
         fsbl = pkgs.stdenv.mkDerivation {
           name = "${board}-fsbl";
           src = pkgs.fetchFromGitHub {
@@ -251,7 +256,7 @@
           dontFixup = true;
         };
 
-        u-boot = (pkgs.pkgsCross.zynq-armv7l-linux.buildUBoot {
+        u-boot = (pkgs-armv7l.buildUBoot {
             defconfig = "xilinx_zynq_virt_defconfig";
             patches = [] ++ pkgs.lib.optional (board == "fast-servo") ./fast-servo/u-boot.patch;
             preConfigure = ''
@@ -261,7 +266,7 @@
               CONFIG_SYS_PROMPT="${board}-boot> "
               CONFIG_AUTOBOOT=y
               CONFIG_BOOTCOMMAND="${builtins.replaceStrings [ "\n" ] [ "; " ] ''
-                setenv bootargs 'root=/dev/mmcblk0p2 console=ttyPS0,115200n8 systemConfig=${builtins.unsafeDiscardStringContext not-os-cfg.build.toplevel}'
+                setenv bootargs 'root=/dev/mmcblk0p2 console=ttyPS0,115200n8 systemConfig=${builtins.unsafeDiscardStringContext not-os-build.toplevel}'
                 fatload mmc 0 0x6400000 uImage
                 fatload mmc 0 0x8000000 ${board}.dtb
                 fatload mmc 0 0xA400000 uRamdisk.image.gz
@@ -325,7 +330,7 @@
 
         sd-image = let
           rootfsImage = pkgs.callPackage (pkgs.path + "/nixos/lib/make-ext4-fs.nix") {
-            storePaths = [ not-os-cfg.build.toplevel ];
+            storePaths = [ not-os-build.toplevel ];
             volumeLabel = "ROOT";
           };
           # Current firmware (kernel, bootimage, etc..) takes ~18MB
@@ -366,8 +371,8 @@
               mkdir firmware
               cp ${bootimage}/boot.bin firmware/
               cp ${dtb}/${board}.dtb firmware/
-              cp ${not-os-cfg.build.kernel}/uImage firmware/
-              cp ${not-os-cfg.build.uRamdisk}/initrd firmware/uRamdisk.image.gz
+              cp ${not-os-build.kernel}/uImage firmware/
+              cp ${not-os-build.uRamdisk}/initrd firmware/uRamdisk.image.gz
 
               (cd firmware; mcopy -psvm -i ../firmware_part.img ./* ::)
               dd conv=notrunc if=firmware_part.img of=$img seek=$START count=$SECTORS