arch/m68k-amiga/cia/cia_interrupt.c

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