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/*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <bsp.h>
#include <bsp/bootcard.h>
#include <stdint.h>
/*
* These are provided by the linkcmds for ALL of the BSPs which use this file.
*/
extern char RamBase[];
extern char WorkAreaBase[];
extern char HeapSize[];
extern char RamSize[];
#if defined(HAS_UBOOT)
extern bd_t *uboot_bdinfo_ptr;
#endif
/*
* This method returns the base address and size of the area which
* is to be allocated between the RTEMS Workspace and the C Program
* Heap.
*/
void bsp_get_work_area(
void **work_area_start,
size_t *work_area_size,
void **heap_start,
size_t *heap_size
)
{
#ifdef HAS_UBOOT
char *ram_end = (char *) uboot_bdinfo_ptr->bi_memstart +
uboot_bdinfo_ptr->bi_memsize;
#else /* HAS_UBOOT */
char *ram_end = (uintptr_t)RamBase + (uintptr_t)RamSize;
#endif /* HAS_UBOOT */
*work_area_start = bsp_work_area_start;
*work_area_size = ram_end - bsp_work_area_start;
*heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
*heap_size = HeapSize;
}
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