C++ (Cpp) bsp_work_area_initialize_defaultの例

コード例 #1

ファイル: bspgetworkarea.c プロジェクト: Fyleo/rtems

void bsp_work_area_initialize(void)
{
  void *area_start = (void *)&_end;
  uintptr_t area_size  = (uintptr_t)&__heap_limit - (uintptr_t)&_end;

  bsp_work_area_initialize_default( area_start, area_size );
}

コード例 #2

ファイル: bspgetworkarea.c プロジェクト: Wolpike/rtems

void bsp_work_area_initialize(void)
{
  uintptr_t work_base = (uintptr_t) WorkAreaBase;
  uintptr_t ram_end;
  bcm2835_get_vc_memory_entries vc_entry;
  /*
   * bcm2835_get_arm_memory_entries arm_entry;
   * is another alternative how to obtain usable memory size
   */

  #ifdef USE_UBOOT
    ram_end = (uintptr_t) bsp_uboot_board_info.bi_memstart +
                          bsp_uboot_board_info.bi_memsize;
  #else
    ram_end = (uintptr_t)RamBase + (uintptr_t)RamSize;
  #endif

  #ifdef BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN
    work_base += rtems_configuration_get_interrupt_stack_size();
  #endif

  memset( &vc_entry, 0, sizeof(vc_entry) );
  bcm2835_mailbox_get_vc_memory( &vc_entry );
  if (vc_entry.base != 0)
    ram_end = ram_end > vc_entry.base? vc_entry.base: ram_end;
  bsp_work_area_initialize_default( (void *) work_base, ram_end - work_base );
}

コード例 #3

ファイル: bspgetworkarea.c プロジェクト: zhongweiy/rtems

void bsp_work_area_initialize(void)
{
    char *ram_end = (char *) (TQM_BD_INFO.sdram_size - (uint32_t)TopRamReserved);
    void *area_start = bsp_work_area_start;
    uintptr_t area_size = (uintptr_t) ram_end - (uintptr_t) bsp_work_area_start;

    bsp_work_area_initialize_default( area_start, area_size );
}

コード例 #4

ファイル: bspgetworkarea.c プロジェクト: AndroidMarv/rtems

void bsp_work_area_initialize(void)
{
  uintptr_t work_size;
  uintptr_t work_area;

  work_area = (uintptr_t)&__rtems_end +
              rtems_configuration_get_interrupt_stack_size();
  work_size = (uintptr_t)BSP_mem_size - work_area;

  bsp_work_area_initialize_default((void *) work_area, work_size);
}

コード例 #5

ファイル: bspgetworkarea.c プロジェクト: AndroidMarv/rtems

void bsp_work_area_initialize(void)
{
  uintptr_t work_base = (uintptr_t) WorkAreaBase;
  uintptr_t ram_end;

  #ifdef USE_UBOOT
    ram_end = (uintptr_t) bsp_uboot_board_info.bi_memstart +
                          bsp_uboot_board_info.bi_memsize;
  #else
    ram_end = (uintptr_t)RamBase + (uintptr_t)RamSize;
  #endif

  #ifdef BSP_INTERRUPT_STACK_AT_WORK_AREA_BEGIN
    work_base += rtems_configuration_get_interrupt_stack_size();
  #endif

  bsp_work_area_initialize_default( (void *) work_base, ram_end - work_base );
}

コード例 #6

ファイル: bspgetworkarea.c プロジェクト: AoLaD/rtems

/*
 *  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_work_area_initialize(void)
{
  /* must be identical to STACK_SIZE in start.S */
  #define STACK_SIZE (16 * 1024)

  /* Early dynamic memory allocator is placed just above _end  */
  void *work_area_start = (void *)&end;
  uintptr_t work_area_size  =
    (uintptr_t)rdb_start - (uintptr_t)&end - STACK_SIZE;

  /*
   *  The following may be helpful in debugging what goes wrong when
   *  you are allocating the Work Area in a new BSP.
   */
  #ifdef BSP_GET_WORK_AREA_DEBUG
    {
      void *sp = __builtin_frame_address(0);
      void *end = *work_area_start + *work_area_size;
      printk(
        "work_area_start = 0x%p\n"
        "work_area_size = %d 0x%08x\n"
        "end = 0x%p\n"
        "current stack pointer = 0x%p%s\n",
        work_area_start,
        work_area_size,  /* decimal */
        work_area_size,  /* hexadecimal */
        end,
        sp,
        ((sp >= *work_area_start && sp <= end) ? " OVERLAPS!" : "")
     );
     printk( "rdb_start = 0x%08x\n", rdb_start );
   }
 #endif

  bsp_work_area_initialize_default(work_area_start, work_area_size);
}