C++ (Cpp) MEM_ALIGN_PREV Beispiele

Beispiel #1

Datei: chmemcore.c Projekt: shangma/Bootloader

void *chCoreTrimI(size_t size) {
  uint8_t *p;

  chDbgCheckClassI();

  p = (uint8_t *)MEM_ALIGN_PREV(endmem - size);
  if (p < nextmem)
    return NULL;
  endmem = p;
  return (void *)p;
}

Beispiel #2

Datei: chmemcore.c Projekt: Ankhbayar/mlab-chibios

/**
 * @brief   Low level memory manager initialization.
 *
 * @notapi
 */
void _core_init(void) {
#if CH_MEMCORE_SIZE == 0
  extern uint8_t __heap_base__[];
  extern uint8_t __heap_end__[];
  nextmem = (uint8_t *)MEM_ALIGN_NEXT(__heap_base__);
  endmem = (uint8_t *)MEM_ALIGN_PREV(__heap_end__);
#else
  static stkalign_t buffer[MEM_ALIGN_NEXT(CH_MEMCORE_SIZE)/MEM_ALIGN_SIZE];
  nextmem = (uint8_t *)&buffer[0];
  endmem = (uint8_t *)&buffer[MEM_ALIGN_NEXT(CH_MEMCORE_SIZE)/MEM_ALIGN_SIZE];
#endif
}

Beispiel #3

Datei: chmemcore.c Projekt: 0110/stm32f103playground

/**
 * @brief   Low level memory manager initialization.
 *
 * @notapi
 */
void _core_init(void) {
#if CH_CFG_MEMCORE_SIZE == 0
  extern uint8_t __heap_base__[];
  extern uint8_t __heap_end__[];

  /*lint -save -e9033 [10.8] Required cast operations.*/
  nextmem = (uint8_t *)MEM_ALIGN_NEXT(__heap_base__);
  endmem = (uint8_t *)MEM_ALIGN_PREV(__heap_end__);
  /*lint restore*/
#else
  static stkalign_t buffer[MEM_ALIGN_NEXT(CH_CFG_MEMCORE_SIZE) /
                           MEM_ALIGN_SIZE];

  nextmem = (uint8_t *)&buffer[0];
  endmem = (uint8_t *)&buffer[MEM_ALIGN_NEXT(CH_CFG_MEMCORE_SIZE) /
                              MEM_ALIGN_SIZE];
#endif
}