rom/kernel/modifyirqhandler.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6 */
   7
   8 #include <aros/kernel.h>
   9 #include <aros/libcall.h>
  10 #include <proto/exec.h>
  11
  12 #include <kernel_base.h>
  13 #include <kernel_cpu.h>
  14 #include <kernel_debug.h>
  15 #include <kernel_interrupts.h>
  16 #include <kernel_objects.h>
  17
  18 /* We use own implementation of bug(), so we don't need aros/debug.h */
  19 #define D(x)
  20
  21 /*****************************************************************************
  22
  23     NAME */
  24 #include <proto/kernel.h>
  25
  26         AROS_LH3(void, KrnModifyIRQHandler,
  27
  28 /*  SYNOPSIS */
  29         AROS_LHA(void *, handle, A0),
  30         AROS_LHA(void *, handlerData, A1),
  31         AROS_LHA(void *, handlerData2, A2),
  32
  33 /*  LOCATION */
  34         struct KernelBase *, KernelBase, 38, Kernel)
  35
  36 /*  FUNCTION
  37         Modify the data passed to a raw hardware IRQ handler.
  38
  39     INPUTS
  40         handle       - Existing handle
  41         handlerData,
  42         handlerData2 - User-defined data which is passed to the
  43                        handler.
  44
  45     RESULT
  46
  47     NOTES
  48
  49     EXAMPLE
  50
  51     BUGS
  52
  53     SEE ALSO
  54         KrnAddIRQHandler(), KrnRemIRQHandler()
  55
  56     INTERNALS
  57
  58 ******************************************************************************/
  59 {
  60     AROS_LIBFUNC_INIT
  61
  62     struct IntrNode *intrhandle = (struct IntrNode *)handle;
  63
  64     D(bug("[KRN] KrnModifyIRQHandler(%012p, %012p, %012p):\n", handle, handlerData, handlerData2));
  65
  66     if (handle)
  67     {
  68         Disable();
  69
  70         intrhandle->in_HandlerData = handlerData;
  71         intrhandle->in_HandlerData2 = handlerData2;
  72
  73         Enable();
  74     }
  75
  76     AROS_LIBFUNC_EXIT
  77 }