diff --git a/jerry-core/api/jerryscript_adapter.c b/jerry-core/api/jerryscript_adapter.c
new file mode 100644
index 0000000000000000000000000000000000000000..7d34bf1bd68e30cd8fa2efc5b87d13a28c56cd7e
--- /dev/null
+++ b/jerry-core/api/jerryscript_adapter.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef JERRY_IAR_JUPITER
+
+#include "jerryscript.h"
+#include "jmem.h"
+#include "config-jupiter.h"
+
+uint8_t* input_buffer;
+uint8_t* snapshot_buffer;
+uint8_t* bms_context_and_heap;
+uint8_t* js_context_and_heap;
+
+void JerryPsRamMemInit()
+{
+  // memory for input_js file and snapshot file
+  input_buffer = OhosMalloc(MEM_TYPE_JERRY_LSRAM, INPUTJS_BUFFER_SIZE);
+  snapshot_buffer = OhosMalloc(MEM_TYPE_JERRY_LSRAM, SNAPSHOT_BUFFER_SIZE);
+  bms_context_and_heap = OhosMalloc(MEM_TYPE_JERRY_LSRAM, BMS_TASK_CONTEXT_AND_HEAP_SIZE * CONVERTION_RATIO);
+  js_context_and_heap = OhosMalloc(MEM_TYPE_JERRY_LSRAM, JS_TASK_CONTEXT_AND_HEAP_SIZE_BYTE);
+}
+
+#endif // JERRY_IAR_JUPITER