config: Simplify initialization task config

With the removal of the CONFIGURE_HAS_OWN_INIT_TASK_TABLE configuration
option at most one Classic API user initialization task can be
configured.

Provide an RTEMS API configuration table for backward compatibility.

Update #3873.

1 files changed, 46 insertions, 0 deletions

diff --git a/cpukit/rtems/src/getapiconfig.c b/cpukit/rtems/src/getapiconfig.c
new file mode 100644
index 0000000000..77c60cfe1c
--- /dev/null
+++ b/cpukit/rtems/src/getapiconfig.c
@@ -0,0 +1,46 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/rtems/config.h>
+#include <rtems/rtems/tasksdata.h>
+
+static rtems_api_configuration_table config;
+
+const rtems_api_configuration_table *
+rtems_configuration_get_rtems_api_configuration( void )
+{
+  if ( _RTEMS_tasks_User_task_table.entry_point != NULL ) {
+    config.number_of_initialization_tasks = 1;
+    config.User_initialization_tasks_table = &_RTEMS_tasks_User_task_table;
+  }
+
+  return &config;
+}