C++ (Cpp) handle_m_ext_interrupt Examples

Example #1

/*------------------------------------------------------------------------------
 * Trap/Interrupt handler
 */
uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
{
    if (0) {
        // External Machine-Level Interrupt from PLIC
    } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE)  == IRQ_M_EXT)) {
        handle_m_ext_interrupt();
    } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE)  == IRQ_M_TIMER)) {
        handle_m_timer_interrupt();
    }
    else {
        write(1, "trap\n", 5);
        _exit(1 + mcause);
    }
    return epc;
}

Example #2

File: init.c Project: Bluebear233/rt-thread

uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
{
  if (0){
#ifdef USE_PLIC
    // External Machine-Level interrupt from PLIC
  } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) {
    handle_m_ext_interrupt();
#endif
#ifdef USE_M_TIME
    // External Machine-Level interrupt from PLIC
  } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)){
    handle_m_time_interrupt();
#endif
  }
  else {
    rt_kprintf("Unhandled Trap.\n");
  }
  return epc;
}