rtems/src/getapiconfig.c

0001 /**
0002  * @file
0003  *
0004  * @ingroup RTEMSImplClassic
0005  *
0006  * @brief This source file contains the implementation of
0007  *   rtems_api_configuration_table().
0008  */
0009
0010 /*
0011  * SPDX-License-Identifier: BSD-2-Clause
0012  *
0013  * Copyright (C) 2020 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifdef HAVE_CONFIG_H
0038 #include "config.h"
0039 #endif
0040
0041 #include <rtems/rtems/config.h>
0042 #include <rtems/rtems/tasksdata.h>
0043
0044 static rtems_api_configuration_table config;
0045
0046 const rtems_api_configuration_table *
0047 rtems_configuration_get_rtems_api_configuration( void )
0048 {
0049   /*
0050    * Always initialize the configuration table and do not bother with
0051    * synchronization issues.  This function is not performance critical.  The
0052    * configuration values are all constants.
0053    */
0054
0055   config.notepads_enabled = false;
0056   config.maximum_tasks = rtems_configuration_get_maximum_tasks();
0057   config.maximum_timers = rtems_configuration_get_maximum_timers();
0058   config.maximum_semaphores = rtems_configuration_get_maximum_semaphores();
0059   config.maximum_message_queues =
0060     rtems_configuration_get_maximum_message_queues();
0061   config.maximum_partitions = rtems_configuration_get_maximum_partitions();
0062   config.maximum_regions = rtems_configuration_get_maximum_regions();
0063   config.maximum_ports = rtems_configuration_get_maximum_ports();
0064   config.maximum_periods = rtems_configuration_get_maximum_periods();
0065   config.maximum_barriers = rtems_configuration_get_maximum_barriers();
0066
0067   if ( _RTEMS_tasks_User_task_table.entry_point != NULL ) {
0068     config.number_of_initialization_tasks = 1;
0069     config.User_initialization_tasks_table = &_RTEMS_tasks_User_task_table;
0070   }
0071
0072   return &config;
0073 }