Ejemplos de read_and_clear_PMC_irq en C++ (Cpp)

Ejemplo n.º 1

Archivo: no_pic.c Proyecto: FullMentalPanic/RTEMS_NEW_TOOL_CHAIN

/*
 * High level IRQ handler called from shared_raw_irq_code_entry
 */
int C_dispatch_irq_handler(
  BSP_Exception_frame *frame,
  unsigned int excNum
)
{
  register unsigned int irq;
#if (HAS_PMC_PSC8)
  uint16_t              check_irq;
  uint16_t              status_word;
#endif

  if (excNum == ASM_DEC_VECTOR) {
    bsp_irq_dispatch_list(rtems_hdl_tbl, BSP_DECREMENTER, dflt_entry.hdl);
    return 0;
  }

  irq = read_and_clear_irq();

#if (HAS_PMC_PSC8)
   if (irq ==  SCORE603E_PCI_IRQ_0) {
     status_word = read_and_clear_PMC_irq( irq );
     for (check_irq=SCORE603E_IRQ16; check_irq<=SCORE603E_IRQ19; check_irq++) {
       if ( Is_PMC_IRQ( check_irq, status_word )) {
         bsp_irq_dispatch_list_base(rtems_hdl_tbl, check_irq, dflt_entry.hdl);
       }
     }
   } else
#endif
   {
    bsp_irq_dispatch_list_base(rtems_hdl_tbl, irq, dflt_entry.hdl);
   }

  return 0;
}

Ejemplo n.º 2

Archivo: genpvec.c Proyecto: 0871087123/rtems

/*
 * This interrupt service routine is called for an External Exception.
 */
rtems_isr external_exception_ISR (
  rtems_vector_number   vector             /* IN  */
)
{
 uint16_t            index;
 EE_ISR_Type         *node;
 uint16_t            value;
#if (HAS_PMC_PSC8)
 uint16_t            PMC_irq;
 uint16_t            check_irq;
 uint16_t            status_word;
#endif

 index = read_and_clear_irq();
 if ( index >= NUM_LIRQ ) {
   printk( "ERROR:: Invalid interrupt number (%02x)\n", index );
   return;
 }

#if (HAS_PMC_PSC8)
  PMC_irq = SCORE603E_PCI_IRQ_0 - SCORE603E_IRQ00;

  if (index ==  PMC_irq) {
    status_word = read_and_clear_PMC_irq( index );

    for (check_irq=SCORE603E_IRQ16; check_irq<=SCORE603E_IRQ19; check_irq++) {
      if ( Is_PMC_IRQ( check_irq, status_word )) {
        index = check_irq - SCORE603E_IRQ00;
        node = (EE_ISR_Type *)(ISR_Array[ index ].first);

        if ( rtems_chain_is_tail( &ISR_Array[ index ], (void *)node ) ) {
          printk ("ERROR:: check %d interrupt %02d has no isr\n", check_irq, index);
          value = get_irq_mask();
          printk("        Mask = %02x\n", value);
	}
        while ( !rtems_chain_is_tail( &ISR_Array[ index ], (void *)node ) ) {
          (*node->handler)( node->vector );
          node = (EE_ISR_Type *) node->Node.next;
        }
      }
    }
  }
  else
#endif
  {
    node = (EE_ISR_Type *)(ISR_Array[ index ].first);
    if ( rtems_chain_is_tail( &ISR_Array[ index ], (void *)node ) ) {
      printk( "ERROR:: interrupt %02x has no isr\n", index);
      value = get_irq_mask();
      printk("        Mask = %02x\n", value);
      return;
    }
    while ( !rtems_chain_is_tail( &ISR_Array[ index ], (void *)node ) ) {
     (*node->handler)( node->vector );
     node = (EE_ISR_Type *) node->Node.next;
    }
  }

}