Prepare preinit for Ethernet

lagarto-ox.nix

@@ -164,9 +164,26 @@
 
         "/preinit".source = pkgs.writeScript "preinit" ''
           #!${config.system.build.extraUtils}/bin/ash
-          set -x
           export PATH=${config.system.build.extraUtils}/bin
-          csrtool all-in-order
+          # csrtool all-in-order
+
+          if read -t 3 -p 'press enter for shell'; then
+            ash
+          fi
+
+          set -x
+
+          ip addr
+          cat /proc/interrupts
+
+          modprobe xxvnet_carv
+
+          plictool -c2
+          plictool -c2
+          plictool -c2
+
+          ip addr
+
           exec /init
         '';
       };