feat(core): Support pthread using SPIRAM as stack (#4509)

Signed-off-by: [email protected] <[email protected]>

Author: cwespressif

core/shared/platform/esp-idf/espidf_thread.c

@@ -110,6 +110,13 @@ os_thread_create_with_prio(korp_tid *tid, thread_start_routine_t start,
     targ->start = start;
     targ->arg = arg;
 
+#ifdef CONFIG_FREERTOS_TASK_CREATE_ALLOW_EXT_MEM
+    esp_pthread_cfg_t default_config = esp_pthread_get_default_config();
+
+    default_config.stack_alloc_caps = MALLOC_CAP_8BIT | MALLOC_CAP_SPIRAM;
+    ESP_ERROR_CHECK(esp_pthread_set_cfg(&default_config));
+#endif
+
     if (pthread_create(tid, &tattr, os_thread_wrapper, targ) != 0) {
         pthread_attr_destroy(&tattr);
         os_free(targ);