reactos/hal/halx86/generic/sysinfo.c

   1 /*
   2  * PROJECT:         ReactOS HA:
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            hal/halx86/generic/sysinfo.c
   5  * PURPOSE:         HAL Information Routines
   6  * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include <hal.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 #ifdef __GNUC__
  16 static PUCHAR realKdComPortInUse = 0;
  17 PUCHAR *_KdComPortInUse = &realKdComPortInUse;
  18 #else
  19 PUCHAR _KdComPortInUse = 0;
  20 #endif
  21
  22 /* FUNCTIONS *****************************************************************/
  23
  24 NTSTATUS
  25 NTAPI
  26 HaliQuerySystemInformation(IN     HAL_QUERY_INFORMATION_CLASS InformationClass,
  27                            IN     ULONG  BufferSize,
  28                            IN OUT PVOID  Buffer,
  29                               OUT PULONG ReturnedLength)
  30 {
  31 #define REPORT_THIS_CASE(X) case X: DPRINT1("Unhandled case: %s\n", #X); break
  32         switch (InformationClass)
  33         {
  34                 REPORT_THIS_CASE(HalInstalledBusInformation);
  35                 REPORT_THIS_CASE(HalProfileSourceInformation);
  36                 REPORT_THIS_CASE(HalInformationClassUnused1);
  37                 REPORT_THIS_CASE(HalPowerInformation);
  38                 REPORT_THIS_CASE(HalProcessorSpeedInformation);
  39                 REPORT_THIS_CASE(HalCallbackInformation);
  40                 REPORT_THIS_CASE(HalMapRegisterInformation);
  41                 REPORT_THIS_CASE(HalMcaLogInformation);
  42                 case HalFrameBufferCachingInformation:
  43                 if (BufferSize >= 1)
  44                 {
  45                         // The only caller that has been seen calling this function told
  46                         // us it expected a single byte back. We therefore guess it expects
  47                         // a BOOLEAN, and we dream up the value TRUE to (we think) tell it
  48                         // "Sure, the framebuffer is cached".
  49                         BOOLEAN ToReturn = TRUE;
  50                         DPRINT("%s: caller expects %u bytes (should be 1)\n", "HalFrameBufferCachingInformation", BufferSize);
  51                         ASSERT(sizeof(BOOLEAN) == 1);
  52                         *ReturnedLength = sizeof(BOOLEAN);
  53                         RtlCopyMemory(Buffer, &ToReturn, sizeof(BOOLEAN));
  54                         return STATUS_SUCCESS;
  55                 }
  56                 break;
  57                 REPORT_THIS_CASE(HalDisplayBiosInformation);
  58                 REPORT_THIS_CASE(HalProcessorFeatureInformation);
  59                 REPORT_THIS_CASE(HalNumaTopologyInterface);
  60                 REPORT_THIS_CASE(HalErrorInformation);
  61                 REPORT_THIS_CASE(HalCmcLogInformation);
  62                 REPORT_THIS_CASE(HalCpeLogInformation);
  63                 REPORT_THIS_CASE(HalQueryMcaInterface);
  64                 REPORT_THIS_CASE(HalQueryAMLIIllegalIOPortAddresses);
  65                 REPORT_THIS_CASE(HalQueryMaxHotPlugMemoryAddress);
  66                 REPORT_THIS_CASE(HalPartitionIpiInterface);
  67                 REPORT_THIS_CASE(HalPlatformInformation);
  68                 REPORT_THIS_CASE(HalQueryProfileSourceList);
  69         }
  70 #undef REPORT_THIS_CASE
  71
  72         UNIMPLEMENTED;
  73         return STATUS_NOT_IMPLEMENTED;
  74 }
  75
  76 NTSTATUS
  77 NTAPI
  78 HaliSetSystemInformation(IN HAL_SET_INFORMATION_CLASS InformationClass,
  79                          IN ULONG BufferSize,
  80                          IN OUT PVOID Buffer)
  81 {
  82     UNIMPLEMENTED;
  83     return STATUS_NOT_IMPLEMENTED;
  84 }
  85
  86 /* EOF */