dlls/ntdll/nt.c

   1 /*
   2  * NT basis DLL
   3  *
   4  * This file contains the Nt* API functions of NTDLL.DLL.
   5  * In the original ntdll.dll they all seem to just call int 0x2e (down to the NTOSKRNL)
   6  *
   7  * Copyright 1996-1998 Marcus Meissner
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <string.h>
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28
  29 #define NONAMELESSUNION
  30 #include "ntstatus.h"
  31 #define WIN32_NO_STATUS
  32 #include "wine/debug.h"
  33 #include "windef.h"
  34 #include "winternl.h"
  35 #include "ntdll_misc.h"
  36 #include "ddk/wdm.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  39
  40 /*
  41  *      Token
  42  */
  43
  44 /*
  45  *      Misc
  46  */
  47
  48 /***********************************************************************
  49  * RtlIsProcessorFeaturePresent [NTDLL.@]
  50  */
  51 BOOLEAN WINAPI RtlIsProcessorFeaturePresent( UINT feature )
  52 {
  53     return feature < PROCESSOR_FEATURE_MAX && user_shared_data->ProcessorFeatures[feature];
  54 }
  55
  56 /******************************************************************************
  57  * RtlGetNativeSystemInformation [NTDLL.@]
  58  */
  59 NTSTATUS WINAPI /* DECLSPEC_HOTPATCH */ RtlGetNativeSystemInformation(
  60         IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
  61         OUT PVOID SystemInformation,
  62         IN ULONG Length,
  63         OUT PULONG ResultLength)
  64 {
  65     FIXME( "semi-stub, SystemInformationClass %#x, SystemInformation %p, Length %#x, ResultLength %p.\n",
  66             SystemInformationClass, SystemInformation, Length, ResultLength );
  67
  68     /* RtlGetNativeSystemInformation function is the same as NtQuerySystemInformation on some Win7
  69      * versions but there are differences for earlier and newer versions, at least:
  70      *     - HighestUserAddress field for SystemBasicInformation;
  71      *     - Some information classes are not supported by RtlGetNativeSystemInformation. */
  72     return NtQuerySystemInformation( SystemInformationClass, SystemInformation, Length, ResultLength );
  73 }
  74
  75 /******************************************************************************
  76  *        VerSetConditionMask   (NTDLL.@)
  77  */
  78 ULONGLONG WINAPI VerSetConditionMask( ULONGLONG dwlConditionMask, DWORD dwTypeBitMask,
  79                                       BYTE dwConditionMask)
  80 {
  81     if(dwTypeBitMask == 0)
  82         return dwlConditionMask;
  83     dwConditionMask &= 0x07;
  84     if(dwConditionMask == 0)
  85         return dwlConditionMask;
  86
  87     if(dwTypeBitMask & VER_PRODUCT_TYPE)
  88         dwlConditionMask |= dwConditionMask << 7*3;
  89     else if (dwTypeBitMask & VER_SUITENAME)
  90         dwlConditionMask |= dwConditionMask << 6*3;
  91     else if (dwTypeBitMask & VER_SERVICEPACKMAJOR)
  92         dwlConditionMask |= dwConditionMask << 5*3;
  93     else if (dwTypeBitMask & VER_SERVICEPACKMINOR)
  94         dwlConditionMask |= dwConditionMask << 4*3;
  95     else if (dwTypeBitMask & VER_PLATFORMID)
  96         dwlConditionMask |= dwConditionMask << 3*3;
  97     else if (dwTypeBitMask & VER_BUILDNUMBER)
  98         dwlConditionMask |= dwConditionMask << 2*3;
  99     else if (dwTypeBitMask & VER_MAJORVERSION)
 100         dwlConditionMask |= dwConditionMask << 1*3;
 101     else if (dwTypeBitMask & VER_MINORVERSION)
 102         dwlConditionMask |= dwConditionMask << 0*3;
 103     return dwlConditionMask;
 104 }