+ switch (armv7m->trace_config.internal_channel) {
+ case TRACE_INTERNAL_CHANNEL_FILE:
+ if (armv7m->trace_config.trace_file)
+ fclose(armv7m->trace_config.trace_file);
+ armv7m->trace_config.trace_file = NULL;
+ break;
+ case TRACE_INTERNAL_CHANNEL_TCP:
+ if (armv7m->trace_config.trace_service)
+ remove_service(armv7m->trace_config.trace_service->name, armv7m->trace_config.trace_service->port);
+ armv7m->trace_config.trace_service = NULL;
+ break;
+ case TRACE_INTERNAL_CHANNEL_TCL_ONLY:
+ /* nothing to do:
+ * the trace polling is disabled in the beginning of armv7m_trace_tpiu_config
+ **/
+ break;
+ default:
+ LOG_ERROR("unsupported trace internal channel");
+ }
+}
+
+static int trace_new_connection(struct connection *connection)
+{
+ /* nothing to do */
+ return ERROR_OK;
+}
+
+static int trace_input(struct connection *connection)
+{
+ /* create a dummy buffer to check if the connection is still active */
+ const int buf_len = 100;
+ unsigned char buf[buf_len];
+ int bytes_read = connection_read(connection, buf, buf_len);
+
+ if (bytes_read == 0)
+ return ERROR_SERVER_REMOTE_CLOSED;
+ else if (bytes_read == -1) {
+ LOG_ERROR("error during read: %s", strerror(errno));
+ return ERROR_SERVER_REMOTE_CLOSED;
+ }
+
+ return ERROR_OK;
+}
+
+static int trace_connection_closed(struct connection *connection)
+{
+ /* nothing to do, no connection->priv to free */
+ return ERROR_OK;
+}
+
+extern struct command_context *global_cmd_ctx;
+
+int armv7m_trace_tpiu_exit(struct target *target)
+{
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+
+ if (global_cmd_ctx->mode == COMMAND_CONFIG ||
+ armv7m->trace_config.config_type == TRACE_CONFIG_TYPE_DISABLED)
+ return ERROR_OK;
+
+ close_trace_channel(armv7m);
+ armv7m->trace_config.config_type = TRACE_CONFIG_TYPE_DISABLED;
+ return armv7m_trace_tpiu_config(target);