feat(license): Dual-license source files built by OpenOCD stub flasher

components/app_trace/app_trace.c

@@ -1,7 +1,7 @@
 /*
- * SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2017-2024 Espressif Systems (Shanghai) CO LTD
  *
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
 
 #include <string.h>

components/app_trace/app_trace_membufs_proto.c

@@ -1,7 +1,7 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
 
 #include <sys/param.h>

components/app_trace/app_trace_util.c

@@ -1,7 +1,7 @@
 /*
- * SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2017-2024 Espressif Systems (Shanghai) CO LTD
  *
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
 //
 #include "freertos/FreeRTOS.h"

components/app_trace/port/riscv/port.c

@@ -1,7 +1,7 @@
 /*
- * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
  *
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
 
 #include "esp_cpu.h"

components/app_trace/port/xtensa/port.c

@@ -1,7 +1,7 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
  *
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
 
 //

components/xtensa/eri.c

@@ -1,16 +1,9 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE 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
+/*
+ * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0 OR MIT
+ */
 
-//     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.
 #include <stdint.h>
 #include "eri.h"
 

tools/ci/check_copyright_config.yaml

@@ -141,6 +141,20 @@ md5_hash:
     - BSD-3-Clause
     - Apache-2.0
 
+# OpenOCD project is licensed under GPLv2.0, which is incompatible with Apache-2.0
+# The source files built by the OpenOCD stub flasher, need to be dual-licensed for the upstreaming.
+# MIT is chosen as the dual license, ensuring compatibility with GPLv2.0.
+app_trace:
+  include:
+    - components/app_trace/app_trace.c
+    - components/app_trace/app_trace_membufs_proto.c
+    - components/app_trace/app_trace_util.c
+    - components/app_trace/port/riscv/port.c
+    - components/app_trace/port/xtensa/port.c
+  allowed_licenses:
+    - Apache-2.0
+    - MIT
+
 xtensa:
   include:
     - 'components/xtensa/**'