From 0f5b2c0906e77863d86dda2c91e32f9ab1983fdf Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 10 Dec 2018 12:51:33 +0100
Subject: rtems: Use object information to get config max

Use functions instead of macros.  Add missing
rtems_configuration_get_maximum_*() functions.

Update #3621.
---
 cpukit/sapi/src/getconfigmax.c | 102 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 cpukit/sapi/src/getconfigmax.c

(limited to 'cpukit/sapi/src/getconfigmax.c')

diff --git a/cpukit/sapi/src/getconfigmax.c b/cpukit/sapi/src/getconfigmax.c
new file mode 100644
index 0000000000..4d2779dc85
--- /dev/null
+++ b/cpukit/sapi/src/getconfigmax.c
@@ -0,0 +1,102 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2018 embedded brains GmbH
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/config.h>
+#include <rtems/extensionimpl.h>
+#include <rtems/rtems/barrierimpl.h>
+#include <rtems/rtems/dpmemimpl.h>
+#include <rtems/rtems/messageimpl.h>
+#include <rtems/rtems/partimpl.h>
+#include <rtems/rtems/ratemonimpl.h>
+#include <rtems/rtems/regionimpl.h>
+#include <rtems/rtems/semimpl.h>
+#include <rtems/rtems/tasksimpl.h>
+#include <rtems/rtems/timerimpl.h>
+#include <rtems/score/objectimpl.h>
+
+static uint32_t get_config_max( const Objects_Information *info )
+{
+	if ( _Objects_Is_auto_extend( info ) ) {
+		return info->objects_per_block | RTEMS_UNLIMITED_OBJECTS;
+	}
+
+	return _Objects_Get_maximum_index( info );
+}
+
+uint32_t rtems_configuration_get_maximum_barriers( void )
+{
+	return get_config_max( &_Barrier_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_extensions( void )
+{
+	return get_config_max( &_Extension_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_message_queues( void )
+{
+	return get_config_max( &_Message_queue_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_partitions( void )
+{
+	return get_config_max( &_Partition_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_periods( void )
+{
+	return get_config_max( &_Rate_monotonic_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_ports( void )
+{
+	return get_config_max( &_Dual_ported_memory_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_regions( void )
+{
+	return get_config_max( &_Region_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_semaphores( void )
+{
+	return get_config_max( &_Semaphore_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_timers( void )
+{
+	return get_config_max( &_Timer_Information );
+}
+
+uint32_t rtems_configuration_get_maximum_tasks( void )
+{
+	return get_config_max( &_RTEMS_tasks_Information.Objects );
+}
-- 
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