hal/halx86/sysbus.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/hal/sysbus.c
   6  * PURPOSE:         System bus handler functions
   7  * PROGRAMMER:      Eric Kohl (ekohl@rz-online.de)
   8  * UPDATE HISTORY:
   9  *                  09/04/2000 Created
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <ddk/ntddk.h>
  15 #include <bus.h>
  16
  17
  18 /* FUNCTIONS ****************************************************************/
  19
  20 ULONG STDCALL
  21 HalpGetSystemInterruptVector(PVOID BusHandler,
  22                              ULONG BusNumber,
  23                              ULONG BusInterruptLevel,
  24                              ULONG BusInterruptVector,
  25                              PKIRQL Irql,
  26                              PKAFFINITY Affinity)
  27 {
  28    *Irql = PROFILE_LEVEL - BusInterruptVector;
  29    *Affinity = 0xFFFFFFFF;
  30    return BusInterruptVector;
  31 }
  32
  33
  34 BOOLEAN STDCALL
  35 HalpTranslateSystemBusAddress(PBUS_HANDLER BusHandler,
  36                               ULONG BusNumber,
  37                               PHYSICAL_ADDRESS BusAddress,
  38                               PULONG AddressSpace,
  39                               PPHYSICAL_ADDRESS TranslatedAddress)
  40 {
  41    ULONG BaseAddress = 0;
  42
  43    if (*AddressSpace == 0)
  44      {
  45         /* memory space */
  46
  47      }
  48    else if (*AddressSpace == 1)
  49      {
  50         /* io space */
  51
  52      }
  53    else
  54      {
  55         /* other */
  56         return FALSE;
  57      }
  58
  59    TranslatedAddress->QuadPart = BusAddress.QuadPart + BaseAddress;
  60
  61    return TRUE;
  62 }
  63
  64 /* EOF */