arch/m68k-amiga/cia/cia_interrupt.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <exec/libraries.h>
   7 #include <aros/asmcall.h>
   8 #include <proto/cia.h>
   9 #include <hardware/cia.h>
  10
  11 #include "cia_intern.h"
  12
  13 AROS_INTH1(Cia_Handler, struct CIABase *, CiaBase)
  14 {
  15     AROS_INTFUNC_INIT
  16
  17     UBYTE mask;
  18
  19     CiaBase->active_mask |= CiaBase->hw->ciaicr & 0x1f;
  20     mask = CiaBase->enable_mask & CiaBase->active_mask;
  21
  22     if (mask) {
  23         int i;
  24         CiaBase->executing_mask = mask;
  25         CiaBase->active_mask &= ~mask;
  26         for (i = 0; i < VECTORS_NUM; i++) {
  27             if (mask & (1 << i)) {
  28                 struct Interrupt *ciaint = CiaBase->Vectors[i];
  29                 if (ciaint) {
  30                     AROS_INTC1(ciaint->is_Code, ciaint->is_Data);
  31                 }
  32             }
  33         }
  34         CiaBase->executing_mask = 0;
  35     }
  36
  37     return FALSE;
  38
  39     AROS_INTFUNC_EXIT
  40 }