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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>
extern void *RAM_END;
extern void *__rtems_end;
extern uint32_t _bsp_sbrk_init(uint32_t, uint32_t*);
unsigned int BSP_mem_size = (unsigned int)&RAM_END;
/*
* 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
)
{
uintptr_t size;
uintptr_t reserve;
reserve = (uintptr_t)BSP_INIT_STACK_SIZE;
reserve += rtems_configuration_get_interrupt_stack_size();
size = (uintptr_t)&RAM_END - (uintptr_t)&__rtems_end + reserve;
*work_area_start = (void *)(&__rtems_end + reserve);
*work_area_size = size;
_bsp_sbrk_init( *work_area_start, work_area_size );
*heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
*heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT;
}
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