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/**
* @file
*
* @ingroup mpc55xx
*
* @brief BSP Get Work Area of Memory.
*/
/*
* Copyright (c) 2008
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
*
* 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.
*/
#include <bsp.h>
#include <bsp/bootcard.h>
#include <libcpu/powerpc-utility.h>
#define MPC55XX_INTERRUPT_STACK_SIZE 0x1000
/* Symbols defined in linker command file */
LINKER_SYMBOL(bsp_ram_start);
LINKER_SYMBOL(bsp_ram_end);
LINKER_SYMBOL(bsp_external_ram_start);
LINKER_SYMBOL(bsp_external_ram_size);
LINKER_SYMBOL(bsp_section_bss_end);
void bsp_get_work_area(
void **work_area_start,
uintptr_t *work_area_size,
void **heap_start,
uintptr_t *heap_size
)
{
*work_area_start = bsp_section_bss_end;
*work_area_size = bsp_ram_end - 2 *
MPC55XX_INTERRUPT_STACK_SIZE - bsp_section_bss_end;
*heap_start = bsp_external_ram_start;
*heap_size = (uintptr_t) bsp_external_ram_size;
}
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