CmpInitializeMachineDependentConfiguration

NTSTATUS __stdcall CmpInitializeMachineDependentConfiguration(_LOADER_PARAMETER_BLOCK *LoaderBlock){
  INT64 v1; 
  unsigned __int64 v2; 
  _LOADER_PARAMETER_BLOCK *v3; 
  unsigned int v4; 
  unsigned int v5; 
  NTSTATUS result; 
  unsigned int v7; 
  _KPRCB *v8; 
  unsigned int v9; 
  KPCR *Pcr; 
  unsigned int SecondLevelCacheSize; 
  unsigned __int8 *VendorString; 
  int v13; 
  int v14; 
  bool v15; 
  int v16; 
  _LARGE_INTEGER *Table; 
  unsigned __int8 LowPart; 
  bool v19; 
  bool v20; 
  char QuadPart; 
  bool v22; 
  VOID *Data; 
  INT64 DataSize; 
  UINT64 DataSizea; 
  UINT64 DataSizeb; 
  UINT64 DataSizec; 
  UINT64 DataSized; 
  UINT64 DataSizee; 
  UINT64 *Disposition; 
  INT64 v31; 
  VOID *Handle; 
  UINT64 v33; 
  VOID *KeyHandle; 
  VOID *SectionHandle; 
  _UNICODE_STRING DestinationString; 
  _OBJECT_ATTRIBUTES ObjectAttributes; 
  int v38; 
  _GROUP_AFFINITY Affinity; 
  _LOADER_PARAMETER_BLOCK *v40; 
  _UNICODE_STRING v41; 
  _UNICODE_STRING v42; 
  __int64 v43; 
  ULONG v44; 
  _GROUP_AFFINITY PreviousAffinity; 

  v40 = LoaderBlock;
  LODWORD(v33) = 0;
  Handle = 0i64;
  v2 = 0i64;
  KeyHandle = 0i64;
  v3 = LoaderBlock;
  SectionHandle = 0i64;
  v43 = 0i64;
  v41 = 0i64;
  v4 = 0;
  v44 = 0;
  memset(&ObjectAttributes, 0, sizeof(ObjectAttributes));
  v5 = 0;
  v42 = 0i64;
  Affinity = 0i64;
  PreviousAffinity = 0i64;
  DestinationString = 0i64;
  do
  {
    if( v2 >= 0x54 )
      _report_rangecheckfailure();
    *(_WORD *)((char *)CmpDeviceIndexTable + v2) = 0;
    ++v5;
    v2 += 2i64;
  }
  while( v5 < 0x2A );
  ObjectAttributes.Length = 48;
  ObjectAttributes.RootDirectory = 0i64;
  ObjectAttributes.Attributes = 576;
  ObjectAttributes.ObjectName = &CmRegistryMachineSystemCurrentControlSetControlSessionManagerMemoryManagement;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  if( ZwOpenKey(&KeyHandle, 0x2001Fui64, &ObjectAttributes, v1, (INT64)Data, DataSize, (INT64)Disposition, v31) >= 0 )
  {
    v38 = 1;
    RtlInitUnicodeString(&DestinationString, L"PhysicalAddressExtension");
    LODWORD(DataSizea) = 4;
    ZwSetValueKey(KeyHandle, &DestinationString, 0i64, 4ui64, &v38, DataSizea);
    ZwClose((_HANDLE)KeyHandle);
  }
  LODWORD(DataSizea) = 0;
  ObjectAttributes.ObjectName = &CmRegistryMachineHardwareDescriptionSystemName;
  ObjectAttributes.Length = 48;
  ObjectAttributes.RootDirectory = 0i64;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  ObjectAttributes.Attributes = 576;
  result = ZwCreateKey(&Handle, 0x20019ui64, &ObjectAttributes, 0i64, 0i64, DataSizea, 0i64);
  if( result >= 0 )
  {
    RtlInitUnicodeString(&v41, L"CentralProcessor");
    ObjectAttributes.RootDirectory = Handle;
    ObjectAttributes.Length = 48;
    ObjectAttributes.ObjectName = &v41;
    ObjectAttributes.Attributes = 576;
    LODWORD(DataSizeb) = 0;
    *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
    ZwCreateKey(&KeyHandle, 0x2001Fui64, &ObjectAttributes, 0i64, 0i64, DataSizeb, &v33);
    ZwClose((_HANDLE)KeyHandle);
    if( (_DWORD)v33 == 1 )
    {
      CmpConfigurationData = ExAllocatePoolWithTag(1ui64, (unsigned int)CmpConfigurationAreaSize, 538987843i64);
      v7 = 0;
      if( (_DWORD)KeNumberProcessors_0 )
      {
        while( 1 )
        {
          v8 = *(&KiProcessorBlock + v7);
          v9 = KiProcessorIndexToNumberMappingTable[v8->Number];
          Affinity.Reserved[1] = 0;
          Affinity.Reserved[2] = 0;
          *(_DWORD *)&Affinity.Group = (unsigned __int16)(v9 >> 6);
          Affinity.Mask = 1i64 << (v9 & 0x3F);
          KeSetSystemGroupAffinityThread(&Affinity, &PreviousAffinity);
          CmpAddProcessorConfigurationEntry(v8, v7, Handle);
          Pcr = KeGetPcr();
          if( v7 )
          {
            SecondLevelCacheSize = Pcr->SecondLevelCacheSize;
            if( v8->CpuID )
            {
              VendorString = v8->VendorString;
              do
              {
                v13 = VendorString[(char *)KiProcessorBlock - (char *)v8];
                v14 = *VendorString - v13;
                if( v14 )
                  break;
                ++VendorString;
              }
              while( v13 );
              if( v14 )
                CmProcessorMismatch |= 1u;
              if( SecondLevelCacheSize != v4 )
                CmProcessorMismatch |= 4u;
              if( v8->CpuType != KiProcessorBlock->CpuType )
              {
LABEL_42:
                CmProcessorMismatch |= 2u;
                goto LABEL_21;
              }
              v15 = v8->CpuStep == KiProcessorBlock->CpuStep;
            }
            else
            {
              v15 = KiProcessorBlock->CpuID == 0;
            }
            if( !v15 )
              goto LABEL_42;
          }
          else
          {
            v4 = Pcr->SecondLevelCacheSize;
          }
LABEL_21:
          KeRevertToUserGroupAffinityThread(&PreviousAffinity);
          if( ++v7 >= (unsigned int)KeNumberProcessors_0 )
          {
            v3 = v40;
            break;
          }
        }
      }
      if( CmpConfigurationData )
      {
        ExFreePoolWithTag(CmpConfigurationData, 0);
        CmpConfigurationData = 0i64;
      }
    }
    RtlInitUnicodeString(&v42, L"\\Device\\PhysicalMemory");
    ObjectAttributes.Length = 48;
    ObjectAttributes.ObjectName = &v42;
    ObjectAttributes.RootDirectory = 0i64;
    ObjectAttributes.Attributes = 576;
    *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
    if( ZwOpenSection(&SectionHandle, 0xF001Fui64, &ObjectAttributes) >= 0 )
    {
      v16 = *(&ExBootDevicesRemovedEvent + 276);
      if( *(&ExBootDevicesRemovedEvent + 276) == 1 )
        CmpSetSystemBiosInformation(v3, SectionHandle, Handle);
      else
        CmpInitializeSystemBiosInformation(v3);
      Table = HalpAcpiGetTable(v3, (const UINT8 *)0x50434146, 0i64);
      if( Table )
      {
        LowPart = Table[1].anonymous_0.LowPart;
        v19 = LowPart == 0;
        v20 = LowPart == 1;
        if( LowPart > 1u )
        {
          LODWORD(v43) = *(unsigned __int16 *)((char *)&Table[13].QuadPart + 5);
          v44 = Table[14].anonymous_0.LowPart;
          HIDWORD(v43) = BYTE5(Table[5].QuadPart);
          QuadPart = Table[1].QuadPart;
          v19 = QuadPart == 0;
          v20 = QuadPart == 1;
        }
        v22 = !v19 && !v20;
      }
      else
      {
        v22 = 0;
      }
      if( v22 )
      {
        RtlInitUnicodeString(&DestinationString, L"BootArchitecture");
        LODWORD(DataSizec) = 4;
        ZwSetValueKey(Handle, &DestinationString, 0i64, 4ui64, &v43, DataSizec);
        RtlInitUnicodeString(&DestinationString, L"PreferredProfile");
        LODWORD(DataSized) = 4;
        ZwSetValueKey(Handle, &DestinationString, 0i64, 4ui64, (char *)&v43 + 4, DataSized);
        RtlInitUnicodeString(&DestinationString, L"Capabilities");
        LODWORD(DataSizee) = 4;
        ZwSetValueKey(Handle, &DestinationString, 0i64, 4ui64, &v44, DataSizee);
      }
      if( v16 == 1 )
        CmpSetVideoBiosInformation(SectionHandle, Handle);
      ZwClose((_HANDLE)SectionHandle);
    }
    ZwClose((_HANDLE)Handle);
    return 0;
  }
  return result;
}

Referenced by: