reactos/hal/halx86/legacy/bus/isabus.c

   1 /*
   2  * PROJECT:         ReactOS HAL
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            hal/halx86/generic/bus/isabus.c
   5  * PURPOSE:
   6  * PROGRAMMERS:     Stefan Ginsberg (stefan.ginsberg@reactos.org)
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include <hal.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* GLOBALS ********************************************************************/
  16
  17 /* PRIVATE FUNCTIONS **********************************************************/
  18
  19 BOOLEAN
  20 NTAPI
  21 HalpTranslateIsaBusAddress(IN PBUS_HANDLER BusHandler,
  22                            IN PBUS_HANDLER RootHandler,
  23                            IN PHYSICAL_ADDRESS BusAddress,
  24                            IN OUT PULONG AddressSpace,
  25                            OUT PPHYSICAL_ADDRESS TranslatedAddress)
  26 {
  27     BOOLEAN Status;
  28
  29     /* Use system translation */
  30     Status = HalpTranslateSystemBusAddress(BusHandler,
  31                                            RootHandler,
  32                                            BusAddress,
  33                                            AddressSpace,
  34                                            TranslatedAddress);
  35
  36     /* If it didn't work and it was memory address space... */
  37     if (!(Status) && (*AddressSpace == 0))
  38     {
  39         /* Try EISA translation instead */
  40         Status = HalTranslateBusAddress(Eisa,
  41                                         BusHandler->BusNumber,
  42                                         BusAddress,
  43                                         AddressSpace,
  44                                         TranslatedAddress);
  45     }
  46
  47     /* Return the result */
  48     return Status;
  49 }
  50
  51 /* EOF */