ESP32/kernel: use atomvm:get_entry_point/1

Use atomvm:get_entry_point/1 for finding startup module instead of relying on some static default. Signed-off-by: Davide Bettio <[email protected]>
atomvm · Jul 3, 2023 · 6cd8afc · 6cd8afc
1 parent 1c719bb
commit 6cd8afc
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/libs/esp32kernel/esp32kernel.erl b/libs/esp32kernel/esp32kernel.erl
@@ -62,7 +62,7 @@ loop() ->
 
 boot() ->
     BootPath = get_boot_path(),
-    atomvm:add_avm_pack_file(BootPath, []),
+    atomvm:add_avm_pack_file(BootPath, [{name, app}]),
 
     StartModule = get_start_module(),
     StartModule:start().
@@ -78,7 +78,15 @@ get_boot_path() ->
 get_start_module() ->
     case esp:nvs_get_binary(atomvm, start_module) of
         undefined ->
-            main;
+            case atomvm:get_entry_point(app) of
+                undefined ->
+                    main;
+                ModuleNameWithExt when is_binary(ModuleNameWithExt) ->
+                    Len = byte_size(ModuleNameWithExt) - byte_size(<<".beam">>),
+                    ModuleName = binary:part(ModuleNameWithExt, 0, Len),
+                    erlang:display({going_to_boot, ModuleName}),
+                    erlang:binary_to_atom(ModuleName, latin1)
+            end;
         Module ->
             erlang:binary_to_atom(Module, latin1)
     end.