shared/start/bspgetworkarea.c

0001 /**
0002  * @file
0003  *
0004  * @ingroup RTEMSScoreMemory
0005  *
0006  * @brief This source file contains an implementation of _Memory_Get().
0007  */
0008
0009 /*
0010  * SPDX-License-Identifier: BSD-2-Clause
0011  *
0012  * Copyright (C) 2019, 2021 embedded brains GmbH & Co. KG
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #include <bsp.h>
0037
0038 #include <rtems/score/memory.h>
0039
0040 /* This function is called only by the start sequence defined in start.S */
0041 void _SPARC_Memory_initialize( void *end_of_usable_ram );
0042
0043 static Memory_Area _Memory_Areas[ 1 ];
0044
0045 static const Memory_Information _Memory_Information =
0046   MEMORY_INFORMATION_INITIALIZER( _Memory_Areas );
0047
0048 void _SPARC_Memory_initialize( void *end_of_usable_ram )
0049 {
0050   _Memory_Initialize( &_Memory_Areas[ 0 ], &end, end_of_usable_ram );
0051 }
0052
0053 const Memory_Information *_Memory_Get( void )
0054 {
0055   return &_Memory_Information;
0056 }