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/**
* @file
*
* This routine is an implementation of the _Memory_Get()
* that can be used by all BSPs following linkcmds conventions
* regarding heap, stack, and workspace allocation.
*/
/*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2011-2012 embedded brains GmbH.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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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