reactos/hal/halx86/generic/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 #include <halirq.h>
  17
  18 #define NDEBUG
  19 #include <internal/debug.h>
  20
  21
  22 /* FUNCTIONS ****************************************************************/
  23
  24 ULONG STDCALL
  25 HalpGetSystemInterruptVector(PVOID BusHandler,
  26                              ULONG BusNumber,
  27                              ULONG BusInterruptLevel,
  28                              ULONG BusInterruptVector,
  29                              PKIRQL Irql,
  30                              PKAFFINITY Affinity)
  31 {
  32   ULONG Vector = IRQ2VECTOR(BusInterruptVector);
  33   *Irql = VECTOR2IRQL(Vector);
  34   *Affinity = 0xFFFFFFFF;
  35   return Vector;
  36 }
  37
  38
  39 BOOLEAN STDCALL
  40 HalpTranslateSystemBusAddress(PBUS_HANDLER BusHandler,
  41                               ULONG BusNumber,
  42                               PHYSICAL_ADDRESS BusAddress,
  43                               PULONG AddressSpace,
  44                               PPHYSICAL_ADDRESS TranslatedAddress)
  45 {
  46    ULONG BaseAddress = 0;
  47
  48    if (*AddressSpace == 0)
  49      {
  50         /* memory space */
  51
  52      }
  53    else if (*AddressSpace == 1)
  54      {
  55         /* io space */
  56
  57      }
  58    else
  59      {
  60         /* other */
  61         return FALSE;
  62      }
  63
  64    TranslatedAddress->QuadPart = BusAddress.QuadPart + BaseAddress;
  65
  66    return TRUE;
  67 }
  68
  69 /* EOF */