C++ (Cpp) mm_addregion示例

示例#1

文件： stm32_allocateheap.c 项目： trungkiena6/mavstation-daughterboard

void up_addregion(void)
{
    /* Add the STM32F20xxx/STM32F40xxx CCM SRAM heap region. */

#ifndef CONFIG_STM32_CCMEXCLUDE
    mm_addregion((FAR void*)SRAM2_START, SRAM2_END-SRAM2_START);
#endif

    /* Add the external FSMC SRAM heap region. */

#ifdef CONFIG_STM32_FSMC_SRAM
    mm_addregion((FAR void*)CONFIG_HEAP2_BASE, CONFIG_HEAP2_SIZE);
#endif
}

示例#2

文件： lpc31_allocateheap.c 项目： airlink/nuttx

void up_addregion(void)
{
#if defined(CONFIG_LPC31_EXTSRAM0) && defined(CONFIG_LPC31_EXTSRAM0HEAP)
  mm_addregion((FAR void*)LPC31_EXTSRAM0_VSECTION, CONFIG_LPC31_EXTSRAM0SIZE);
#endif

#if defined(CONFIG_LPC31_EXTSRAM1) && defined(CONFIG_LPC31_EXTSRAM1HEAP)
  mm_addregion((FAR void*)LPC31_EXTSRAM1_VSECTION, CONFIG_LPC31_EXTSRAM1SIZE);
#endif

#if defined(CONFIG_LPC31_EXTSDRAM) && defined(CONFIG_LPC31_EXTSDRAMHEAP)
  mm_addregion((FAR void*)LPC31_EXTSDRAM_VSECTION, CONFIG_LPC31_EXTSDRAMSIZE);
#endif
}

示例#3

文件： mm_initialize.c 项目： acassis/ros2_nuttx

void mm_initialize(FAR struct mm_heap_s *heap, FAR void *heapstart,
                   size_t heapsize)
{
  int i;

  mlldbg("Heap: start=%p size=%u\n", heapstart, heapsize);

  /* The following two lines have cause problems for some older ZiLog
   * compilers in the past (but not the more recent).  Life is easier if we
   * just the suppress them altogther for those tools.
   */

#ifndef __ZILOG__
  CHECK_ALLOCNODE_SIZE;
  CHECK_FREENODE_SIZE;
#endif

  /* Set up global variables */

  heap->mm_heapsize = 0;

#if CONFIG_MM_REGIONS > 1
  heap->mm_nregions = 0;
#endif

  /* Initialize the node array */

  memset(heap->mm_nodelist, 0, sizeof(struct mm_freenode_s) * MM_NNODES);
  for (i = 1; i < MM_NNODES; i++)
    {
      heap->mm_nodelist[i-1].flink = &heap->mm_nodelist[i];
      heap->mm_nodelist[i].blink   = &heap->mm_nodelist[i-1];
    }

  /* Initialize the malloc semaphore to one (to support one-at-
   * a-time access to private data sets).
   */

  mm_seminitialize(heap);

  /* Add the initial region of memory to the heap */

  mm_addregion(heap, heapstart, heapsize);
}

示例#4

文件： lpc17_allocateheap.c 项目： airlink/nuttx

void up_addregion(void)
{
  /* Banks 0 and 1 are each 16Kb.  If both are present, they occupy a
   * contiguous 32Kb memory region.
   *
   * If Ethernet is enabled, it will take some or all of bank 0 for packet
   * buffering and descriptor tables; If USB host is enabled, it will take
   * some or all of bank 1 for descriptor memory.  The complex conditional
   * compilation above should boil this all down to a very simple check
   * here:
   *
   * Is any memory available in AHB SRAM for the heap?
   */

#ifdef LPC17_AHB_HEAPBASE

  /* Yes... Add the AHB SRAM heap region. */

   mm_addregion((FAR void*)LPC17_AHB_HEAPBASE, LPC17_AHB_HEAPSIZE);
#endif
}

示例#5

文件： up_allocateheap.c 项目： airlink/nuttx

void up_addregion(void)
{
  mm_addregion((FAR void*)CONFIG_HEAP2_BASE, CONFIG_HEAP2_SIZE);
}

示例#6

文件： kmm_addregion.c 项目： vmayoral/ros2_embedded_nuttx_new

void kmm_addregion(FAR void *heap_start, size_t heap_size)
{
    return mm_addregion(&g_kmmheap, heap_start, heap_size);
}

示例#7

文件： up_allocateheap.c 项目： airlink/nuttx

void up_addregion(void)
{
  mm_addregion((FAR void*)UP_HEAP2_BASE, UP_HEAP2_END - UP_HEAP2_BASE);
}

示例#8

文件： umm_addregion.c 项目： nodesign/nuttx-kernel

void umm_addregion(FAR void *heap_start, size_t heap_size)
{
  mm_addregion(USR_HEAP, heap_start, heap_size);
}