C++ (Cpp) _Nios2_ISR_Get_status_mask Beispiele

Beispiel #1

Datei: nios2-isr-set-level.c Projekt: 0871087123/rtems

uint32_t _Nios2_ISR_Set_level( uint32_t new_level, uint32_t status )
{
  switch ( _Nios2_ISR_Get_status_mask() ) {
    case NIOS2_ISR_STATUS_MASK_IIC:
      if ( new_level == 0 ) {
        status |= NIOS2_STATUS_PIE;
      } else {
        status &= ~NIOS2_STATUS_PIE;
      }
      break;
    case NIOS2_ISR_STATUS_MASK_EIC_IL:
      status &= ~NIOS2_STATUS_IL_MASK;
      status |= (new_level << NIOS2_STATUS_IL_OFFSET) & NIOS2_STATUS_IL_MASK;
      break;
    case NIOS2_ISR_STATUS_MASK_EIC_RSIE:
      if ( new_level == 0 ) {
        status |= NIOS2_STATUS_RSIE;
      } else {
        status &= ~NIOS2_STATUS_RSIE;
      }
      break;
    default:
      /* FIXME */
      _Internal_error_Occurred( INTERNAL_ERROR_CORE, false, 0xdeadbeef );
      break;
  }

  return status;
}

Beispiel #2

Datei: nios2-isr-get-level.c Projekt: AlexShiLucky/rtems

uint32_t _CPU_ISR_Get_level( void )
{
  uint32_t status = _Nios2_Get_ctlreg_status();
  uint32_t level = 0;

  switch ( _Nios2_ISR_Get_status_mask() ) {
    case NIOS2_ISR_STATUS_MASK_IIC:
      level = (status & NIOS2_STATUS_PIE) == 0;
      break;
    case NIOS2_ISR_STATUS_MASK_EIC_IL:
      level = (status & NIOS2_STATUS_IL_MASK) >> NIOS2_STATUS_IL_OFFSET;
      break;
    case NIOS2_ISR_STATUS_MASK_EIC_RSIE:
      level = (status & NIOS2_STATUS_RSIE) == 0;
      break;
    default:
      /* FIXME */
      _Terminate( INTERNAL_ERROR_CORE, false, 0xdeadbeef );
      break;
  }

  return level;
}