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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreMemory
*
* @ingroup RTEMSBSPsSharedStartup
*
* @brief This source file contains the default implementation of
* _Memory_Get().
*/
/*
* Copyright (C) 2011, 2019 embedded brains GmbH (http://www.embedded-brains.de)
*
* Copyright (C) 1989, 2009 On-Line Applications Research Corporation (OAR)
*
* 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.
*/
#include <bsp.h>
#include <bsp/bootcard.h>
#if defined(HAS_UBOOT) && !defined(BSP_DISABLE_UBOOT_WORK_AREA_CONFIG)
#define USE_UBOOT
#endif
/*
* These are provided by the linkcmds for ALL of the BSPs which use this file.
*/
extern char WorkAreaBase[];
/*
* We may get the size information from U-Boot or the linker scripts.
*/
#ifdef USE_UBOOT
#include <bsp/u-boot.h>
#include <rtems/sysinit.h>
static Memory_Area _Memory_Areas[ 1 ];
static void bsp_memory_initialize( void )
{
char *end;
end = (char *) bsp_uboot_board_info.bi_memstart
+ bsp_uboot_board_info.bi_memsize;
_Memory_Initialize( &_Memory_Areas[ 0 ], WorkAreaBase, end );
}
RTEMS_SYSINIT_ITEM(
bsp_memory_initialize,
RTEMS_SYSINIT_MEMORY,
RTEMS_SYSINIT_ORDER_MIDDLE
);
#else /* !USE_UBOOT */
extern char RamEnd[];
static Memory_Area _Memory_Areas[] = {
MEMORY_INITIALIZER(WorkAreaBase, RamEnd)
};
#endif /* USE_UBOOT */
static const Memory_Information _Memory_Information =
MEMORY_INFORMATION_INITIALIZER( _Memory_Areas );
const Memory_Information *_Memory_Get( void )
{
return &_Memory_Information;
}
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