#ifndef __NTDDK_EX__H__
#define __NTDDK_EX__H__

//#ifndef USE_REACTOS_DDK
#ifdef ASSERT
#undef ASSERT
#define ASSERT(x) ((void)0)
#endif //ASSERT
//#endif //USE_REACTOS_DDK


#if !defined(FILE_CHARACTERISTIC_PNP_DEVICE) || defined(USE_REACTOS_DDK) // DDK 2003

#ifndef FILE_CHARACTERISTIC_PNP_DEVICE
#define FILE_CHARACTERISTIC_PNP_DEVICE  0x00000800
#endif 

typedef enum _SYSTEM_INFORMATION_CLASS {
    SystemBasicInformation,
    SystemProcessorInformation,
    SystemPerformanceInformation,
    SystemTimeOfDayInformation,
    SystemPathInformation,
    SystemProcessInformation,
    SystemCallCountInformation,
    SystemDeviceInformation,
    SystemProcessorPerformanceInformation,
    SystemFlagsInformation,
    SystemCallTimeInformation,
    SystemModuleInformation,
    SystemLocksInformation,
    SystemStackTraceInformation,
    SystemPagedPoolInformation,
    SystemNonPagedPoolInformation,
    SystemHandleInformation,
    SystemObjectInformation,
    SystemPageFileInformation,
    SystemVdmInstemulInformation,
    SystemVdmBopInformation,
    SystemFileCacheInformation,
    SystemPoolTagInformation,
    SystemInterruptInformation,
    SystemDpcBehaviorInformation,
    SystemFullMemoryInformation,
    SystemLoadGdiDriverInformation,
    SystemUnloadGdiDriverInformation,
    SystemTimeAdjustmentInformation,
    SystemSummaryMemoryInformation,
#ifndef USE_REACTOS_DDK
    SystemNextEventIdInformation,
    SystemEventIdsInformation,
    SystemCrashDumpInformation,
#else
    SystemMirrorMemoryInformation,
    SystemPerformanceTraceInformation,
    SystemObsolete0,
#endif // USE_REACTOS_DDK
    SystemExceptionInformation,
    SystemCrashDumpStateInformation,
    SystemKernelDebuggerInformation,
    SystemContextSwitchInformation,
    SystemRegistryQuotaInformation,
    SystemExtendServiceTableInformation,
    SystemPrioritySeperation,
    SystemPlugPlayBusInformation,
    SystemDockInformation,
#ifdef USE_REACTOS_DDK
    SystemPowerInformationNative,
#elif defined IRP_MN_START_DEVICE
    SystemPowerInformationInfo,
#else
    SystemPowerInformation,
#endif // USE_REACTOS_DDK
    SystemProcessorSpeedInformation,
    SystemCurrentTimeZoneInformation,
    SystemLookasideInformation,
#ifdef USE_REACTOS_DDK
    SystemTimeSlipNotification,
    SystemSessionCreate,
    SystemSessionDetach,
    SystemSessionInformation,
    SystemRangeStartInformation,
    SystemVerifierInformation,
    SystemAddVerifier,
    SystemSessionProcessesInformation,
    SystemLoadGdiDriverInSystemSpaceInformation,
    SystemNumaProcessorMap,
    SystemPrefetcherInformation,
    SystemExtendedProcessInformation,
    SystemRecommendedSharedDataAlignment,
    SystemComPlusPackage,
    SystemNumaAvailableMemory,
    SystemProcessorPowerInformation,
    SystemEmulationBasicInformation,
    SystemEmulationProcessorInformation,
    SystemExtendedHanfleInformation,
    SystemLostDelayedWriteInformation,
    SystemBigPoolInformation,
    SystemSessionPoolTagInformation,
    SystemSessionMappedViewInformation,
    SystemHotpatchInformation,
    SystemObjectSecurityMode,
    SystemWatchDogTimerHandler,
    SystemWatchDogTimerInformation,
    SystemLogicalProcessorInformation,
    SystemWo64SharedInformationObosolete,
    SystemRegisterFirmwareTableInformationHandler,
    SystemFirmwareTableInformation,
    SystemModuleInformationEx,
    SystemVerifierTriageInformation,
    SystemSuperfetchInformation,
    SystemMemoryListInformation,
    SystemFileCacheInformationEx,
    SystemThreadPriorityClientIdInformation,
    SystemProcessorIdleCycleTimeInformation,
    SystemVerifierCancellationInformation,
    SystemProcessorPowerInformationEx,
    SystemRefTraceInformation,
    SystemSpecialPoolInformation,
    SystemProcessIdInformation,
    SystemErrorPortInformation,
    SystemBootEnvironmentInformation,
    SystemHypervisorInformation,
    SystemVerifierInformationEx,
    SystemTimeZoneInformation,
    SystemImageFileExecutionOptionsInformation,
    SystemCoverageInformation,
    SystemPrefetchPathInformation,
    SystemVerifierFaultsInformation,
    MaxSystemInfoClass,
#endif // USE_REACTOS_DDK
} SYSTEM_INFORMATION_CLASS;

#endif // !defined(FILE_CHARACTERISTIC_PNP_DEVICE) || defined(USE_REACTOS_DDK)


NTSYSAPI
NTSTATUS
NTAPI
ZwQuerySystemInformation(
    IN SYSTEM_INFORMATION_CLASS SystemInfoClass,
    OUT PVOID SystemInfoBuffer,
    IN ULONG SystemInfoBufferSize,
    OUT PULONG BytesReturned OPTIONAL
);

NTSYSAPI
NTSTATUS
NTAPI
NtQuerySystemInformation(
    IN SYSTEM_INFORMATION_CLASS SystemInfoClass,
    OUT PVOID SystemInfoBuffer,
    IN ULONG SystemInfoBufferSize,
    OUT PULONG BytesReturned OPTIONAL
);

typedef struct _SYSTEM_BASIC_INFORMATION {
    ULONG Reserved;
    ULONG TimerResolution;
    ULONG PageSize;
    ULONG NumberOfPhysicalPages;
    ULONG LowestPhysicalPageNumber;
    ULONG HighestPhysicalPageNumber;
    ULONG AllocationGranularity;
    ULONG MinimumUserModeAddress;
    ULONG MaximumUserModeAddress;
    KAFFINITY ActiveProcessorsAffinityMask;
    CCHAR NumberOfProcessors;
} SYSTEM_BASIC_INFORMATION, *PSYSTEM_BASIC_INFORMATION;

typedef struct _SYSTEM_MODULE_ENTRY
{
    ULONG  Unused;
    ULONG  Always0;
    PVOID  ModuleBaseAddress;
    ULONG  ModuleSize;
    ULONG  Unknown;
    ULONG  ModuleEntryIndex;
    USHORT ModuleNameLength;
    USHORT ModuleNameOffset;
    CHAR   ModuleName [256];
} SYSTEM_MODULE_ENTRY, * PSYSTEM_MODULE_ENTRY;

typedef struct _SYSTEM_MODULE_INFORMATION
{
    ULONG               Count;
    SYSTEM_MODULE_ENTRY Module [1];
} SYSTEM_MODULE_INFORMATION, *PSYSTEM_MODULE_INFORMATION;

typedef unsigned short  WORD;
#ifndef __REACTOS__
typedef unsigned int    BOOL;
#endif //__REACTOS__
typedef unsigned long   DWORD;
typedef unsigned char   BYTE;


typedef struct _LDR_DATA_TABLE_ENTRY {
    LIST_ENTRY     LoadOrder;
    LIST_ENTRY     MemoryOrder;
    LIST_ENTRY     InitializationOrder;
    PVOID          ModuleBaseAddress;
    PVOID          EntryPoint;
    ULONG          ModuleSize;
    UNICODE_STRING FullModuleName;
    UNICODE_STRING ModuleName;
    ULONG          Flags;
    USHORT         LoadCount;
    USHORT         TlsIndex;
    union {
        LIST_ENTRY Hash;
        struct {
            PVOID SectionPointer;
            ULONG CheckSum;
        };
    };
    ULONG   TimeStamp;
} LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;

typedef struct _PEB_LDR_DATA {
    ULONG          Length;
    BOOLEAN        Initialized;
    HANDLE         SsHandle;
    LIST_ENTRY     LoadOrder;
    LIST_ENTRY     MemoryOrder;
    LIST_ENTRY     InitializationOrder;
} PEB_LDR_DATA, *PPEB_LDR_DATA;

typedef struct _PEB_FREE_BLOCK {
    struct _PEB_FREE_BLOCK *Next;
    ULONG Size;
} PEB_FREE_BLOCK, *PPEB_FREE_BLOCK;

#define GDI_HANDLE_BUFFER_SIZE      34

#define TLS_MINIMUM_AVAILABLE 64    // winnt

typedef struct _PEB {
    BOOLEAN InheritedAddressSpace;      // These four fields cannot change unless the
    BOOLEAN ReadImageFileExecOptions;   //
    BOOLEAN BeingDebugged;              //
    BOOLEAN SpareBool;                  //
    HANDLE Mutant;                      // INITIAL_PEB structure is also updated.

    PVOID ImageBaseAddress;
    PPEB_LDR_DATA Ldr;
    struct _RTL_USER_PROCESS_PARAMETERS *ProcessParameters;
    PVOID SubSystemData;
    PVOID ProcessHeap;
    PVOID FastPebLock;
    PVOID FastPebLockRoutine;
    PVOID FastPebUnlockRoutine;
    ULONG EnvironmentUpdateCount;
    PVOID KernelCallbackTable;
    HANDLE EventLogSection;
    PVOID EventLog;
    PPEB_FREE_BLOCK FreeList;
    ULONG TlsExpansionCounter;
    PVOID TlsBitmap;
    ULONG TlsBitmapBits[2];         // relates to TLS_MINIMUM_AVAILABLE
    PVOID ReadOnlySharedMemoryBase;
    PVOID ReadOnlySharedMemoryHeap;
    PVOID *ReadOnlyStaticServerData;
    PVOID AnsiCodePageData;
    PVOID OemCodePageData;
    PVOID UnicodeCaseTableData;

    // Useful information for LdrpInitialize
    ULONG NumberOfProcessors;
    ULONG NtGlobalFlag;

    // Passed up from MmCreatePeb from Session Manager registry key

    LARGE_INTEGER CriticalSectionTimeout;
    ULONG HeapSegmentReserve;
    ULONG HeapSegmentCommit;
    ULONG HeapDeCommitTotalFreeThreshold;
    ULONG HeapDeCommitFreeBlockThreshold;

    // Where heap manager keeps track of all heaps created for a process
    // Fields initialized by MmCreatePeb.  ProcessHeaps is initialized
    // to point to the first free byte after the PEB and MaximumNumberOfHeaps
    // is computed from the page size used to hold the PEB, less the fixed
    // size of this data structure.

    ULONG NumberOfHeaps;
    ULONG MaximumNumberOfHeaps;
    PVOID *ProcessHeaps;

    //
    //
    PVOID GdiSharedHandleTable;
    PVOID ProcessStarterHelper;
    PVOID GdiDCAttributeList;
    PVOID LoaderLock;

    // Following fields filled in by MmCreatePeb from system values and/or
    // image header.

    ULONG OSMajorVersion;
    ULONG OSMinorVersion;
    ULONG OSBuildNumber;
    ULONG OSPlatformId;
    ULONG ImageSubsystem;
    ULONG ImageSubsystemMajorVersion;
    ULONG ImageSubsystemMinorVersion;
    ULONG ImageProcessAffinityMask;
    ULONG GdiHandleBuffer[GDI_HANDLE_BUFFER_SIZE];
} PEB, *PPEB;

//
// Gdi command batching
//

#define GDI_BATCH_BUFFER_SIZE 310

typedef struct _GDI_TEB_BATCH {
    ULONG Offset;
    ULONG HDC;
    ULONG Buffer[GDI_BATCH_BUFFER_SIZE];
} GDI_TEB_BATCH,*PGDI_TEB_BATCH;

//
//  TEB - The thread environment block
//

#define STATIC_UNICODE_BUFFER_LENGTH 261
#define WIN32_CLIENT_INFO_LENGTH 31
#define WIN32_CLIENT_INFO_SPIN_COUNT 1

typedef struct _TEB {
    NT_TIB NtTib;
    PVOID  EnvironmentPointer;
    CLIENT_ID ClientId;
    PVOID ActiveRpcHandle;
    PVOID ThreadLocalStoragePointer;
    PPEB ProcessEnvironmentBlock;
    ULONG LastErrorValue;
    ULONG CountOfOwnedCriticalSections;
    PVOID CsrClientThread;
    PVOID Win32ThreadInfo;          // PtiCurrent
    ULONG Win32ClientInfo[WIN32_CLIENT_INFO_LENGTH];    // User32 Client Info
    PVOID WOW32Reserved;           // used by WOW
    LCID CurrentLocale;
    ULONG FpSoftwareStatusRegister;
    PVOID SystemReserved1[54];      // Used by FP emulator
    PVOID Spare1;                   // unused
    NTSTATUS ExceptionCode;         // for RaiseUserException
    UCHAR SpareBytes1[40];
    PVOID SystemReserved2[10];                      // Used by user/console for temp obja
    GDI_TEB_BATCH GdiTebBatch;      // Gdi batching
    ULONG gdiRgn;
    ULONG gdiPen;
    ULONG gdiBrush;
    CLIENT_ID RealClientId;
    HANDLE GdiCachedProcessHandle;
    ULONG GdiClientPID;
    ULONG GdiClientTID;
    PVOID GdiThreadLocalInfo;
    PVOID UserReserved[5];          // unused
    PVOID glDispatchTable[280];     // OpenGL
    ULONG glReserved1[26];          // OpenGL
    PVOID glReserved2;              // OpenGL
    PVOID glSectionInfo;            // OpenGL
    PVOID glSection;                // OpenGL
    PVOID glTable;                  // OpenGL
    PVOID glCurrentRC;              // OpenGL
    PVOID glContext;                // OpenGL
    ULONG LastStatusValue;
    UNICODE_STRING StaticUnicodeString;
    WCHAR StaticUnicodeBuffer[STATIC_UNICODE_BUFFER_LENGTH];
    PVOID DeallocationStack;
    PVOID TlsSlots[TLS_MINIMUM_AVAILABLE];
    LIST_ENTRY TlsLinks;
    PVOID Vdm;
    PVOID ReservedForNtRpc;
    PVOID DbgSsReserved[2];
    ULONG HardErrorsAreDisabled;
    PVOID Instrumentation[16];
    PVOID WinSockData;              // WinSock
    ULONG GdiBatchCount;
    ULONG Spare2;
    ULONG Spare3;
    ULONG Spare4;
    PVOID ReservedForOle;
    ULONG WaitingOnLoaderLock;
} TEB;
typedef TEB *PTEB;

typedef struct _KTHREAD_HDR {

    //
    // The dispatcher header and mutant listhead are faifly infrequently
    // referenced, but pad the thread to a 32-byte boundary (assumption
    // that pool allocation is in units of 32-bytes).
    //

    DISPATCHER_HEADER Header;
    LIST_ENTRY MutantListHead;

    //
    // The following fields are referenced during trap, interrupts, or
    // context switches.
    //
    // N.B. The Teb address and TlsArray are loaded as a quadword quantity
    //      on MIPS and therefore must to on a quadword boundary.
    //

    PVOID InitialStack;
    PVOID StackLimit;
    PVOID Teb;
    PVOID TlsArray;
    PVOID KernelStack;
    BOOLEAN DebugActive;
    UCHAR State;
    BOOLEAN Alerted[MaximumMode];
    UCHAR Iopl;
    UCHAR NpxState;
    BOOLEAN Saturation;
    SCHAR Priority;
/*    KAPC_STATE ApcState;
    ULONG ContextSwitches;

    //
    // The following fields are referenced during wait operations.
    //

    NTSTATUS WaitStatus;
    KIRQL WaitIrql;
    KPROCESSOR_MODE WaitMode;
    BOOLEAN WaitNext;
    UCHAR WaitReason;
    PRKWAIT_BLOCK WaitBlockList;
    LIST_ENTRY WaitListEntry;
    ULONG WaitTime;
    SCHAR BasePriority;
    UCHAR DecrementCount;
    SCHAR PriorityDecrement;
    SCHAR Quantum;
    KWAIT_BLOCK WaitBlock[THREAD_WAIT_OBJECTS + 1];
    PVOID LegoData;
    ULONG KernelApcDisable;
    KAFFINITY UserAffinity;
    BOOLEAN SystemAffinityActive;
    UCHAR Pad[3];
    PVOID ServiceTable;
//    struct _ECHANNEL *Channel;
//    PVOID Section;
//    PCHANNEL_MESSAGE SystemView;
//    PCHANNEL_MESSAGE ThreadView;

    //
    // The following fields are referenced during queue operations.
    //

    PRKQUEUE Queue;
    KSPIN_LOCK ApcQueueLock;
    KTIMER Timer;
    LIST_ENTRY QueueListEntry;

    //
    // The following fields are referenced during read and find ready
    // thread.
    //

    KAFFINITY Affinity;
    BOOLEAN Preempted;
    BOOLEAN ProcessReadyQueue;
    BOOLEAN KernelStackResident;
    UCHAR NextProcessor;

    //
    // The following fields are referenced suring system calls.
    //

    PVOID CallbackStack;
    PVOID Win32Thread;
    PKTRAP_FRAME TrapFrame;
    PKAPC_STATE ApcStatePointer[2];
    UCHAR EnableStackSwap;
    UCHAR LargeStack;
    UCHAR ResourceIndex;
    CCHAR PreviousMode;

    //
    // The following entries are reference during clock interrupts.
    //

    ULONG KernelTime;
    ULONG UserTime;

    //
    // The following fileds are referenced during APC queuing and process
    // attach/detach.
    //

    KAPC_STATE SavedApcState;
    BOOLEAN Alertable;
    UCHAR ApcStateIndex;
    BOOLEAN ApcQueueable;
    BOOLEAN AutoAlignment;

    //
    // The following fields are referenced when the thread is initialized
    // and very infrequently thereafter.
    //

    PVOID StackBase;
    KAPC SuspendApc;
    KSEMAPHORE SuspendSemaphore;
    LIST_ENTRY ThreadListEntry;

    //
    // N.B. The below four UCHARs share the same DWORD and are modified
    //      by other threads. Therefore, they must ALWAYS be modified
    //      under the dispatcher lock to prevent granularity problems
    //      on Alpha machines.
    //
    CCHAR FreezeCount;
    CCHAR SuspendCount;
    UCHAR IdealProcessor;
    UCHAR DisableBoost;
*/
} KTHREAD_HDR, *PKTHREAD_HDR;

#ifndef __REACTOS__
typedef struct _IMAGE_DOS_HEADER {      // DOS .EXE header
    WORD   e_magic;                     // Magic number
    WORD   e_cblp;                      // Bytes on last page of file
    WORD   e_cp;                        // Pages in file
    WORD   e_crlc;                      // Relocations
    WORD   e_cparhdr;                   // Size of header in paragraphs
    WORD   e_minalloc;                  // Minimum extra paragraphs needed
    WORD   e_maxalloc;                  // Maximum extra paragraphs needed
    WORD   e_ss;                        // Initial (relative) SS value
    WORD   e_sp;                        // Initial SP value
    WORD   e_csum;                      // Checksum
    WORD   e_ip;                        // Initial IP value
    WORD   e_cs;                        // Initial (relative) CS value
    WORD   e_lfarlc;                    // File address of relocation table
    WORD   e_ovno;                      // Overlay number
    WORD   e_res[4];                    // Reserved words
    WORD   e_oemid;                     // OEM identifier (for e_oeminfo)
    WORD   e_oeminfo;                   // OEM information; e_oemid specific
    WORD   e_res2[10];                  // Reserved words
    LONG   e_lfanew;                    // File address of new exe header
} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;

typedef struct _IMAGE_FILE_HEADER {
    WORD    Machine;
    WORD    NumberOfSections;
    DWORD   TimeDateStamp;
    DWORD   PointerToSymbolTable;
    DWORD   NumberOfSymbols;
    WORD    SizeOfOptionalHeader;
    WORD    Characteristics;
} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER;

typedef struct _IMAGE_DATA_DIRECTORY {
    DWORD   VirtualAddress;
    DWORD   Size;
} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY;
#define IMAGE_NUMBEROF_DIRECTORY_ENTRIES    16


typedef struct _IMAGE_OPTIONAL_HEADER {
    //
    // Standard fields.
    //

    WORD    Magic;
    BYTE    MajorLinkerVersion;
    BYTE    MinorLinkerVersion;
    DWORD   SizeOfCode;
    DWORD   SizeOfInitializedData;
    DWORD   SizeOfUninitializedData;
    DWORD   AddressOfEntryPoint;
    DWORD   BaseOfCode;
    DWORD   BaseOfData;

    //
    // NT additional fields.
    //

    DWORD   ImageBase;
    DWORD   SectionAlignment;
    DWORD   FileAlignment;
    WORD    MajorOperatingSystemVersion;
    WORD    MinorOperatingSystemVersion;
    WORD    MajorImageVersion;
    WORD    MinorImageVersion;
    WORD    MajorSubsystemVersion;
    WORD    MinorSubsystemVersion;
    DWORD   Win32VersionValue;
    DWORD   SizeOfImage;
    DWORD   SizeOfHeaders;
    DWORD   CheckSum;
    WORD    Subsystem;
    WORD    DllCharacteristics;
    DWORD   SizeOfStackReserve;
    DWORD   SizeOfStackCommit;
    DWORD   SizeOfHeapReserve;
    DWORD   SizeOfHeapCommit;
    DWORD   LoaderFlags;
    DWORD   NumberOfRvaAndSizes;
    IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
} IMAGE_OPTIONAL_HEADER32, *PIMAGE_OPTIONAL_HEADER32;

typedef struct _IMAGE_NT_HEADERS {
    DWORD Signature;
    IMAGE_FILE_HEADER FileHeader;
    IMAGE_OPTIONAL_HEADER32 OptionalHeader;
} IMAGE_NT_HEADERS32, *PIMAGE_NT_HEADERS32;
typedef IMAGE_NT_HEADERS32                  IMAGE_NT_HEADERS;
typedef PIMAGE_NT_HEADERS32                 PIMAGE_NT_HEADERS;

#define IMAGE_DIRECTORY_ENTRY_EXPORT          0   // Export Directory

typedef struct _IMAGE_EXPORT_DIRECTORY {
    DWORD   Characteristics;
    DWORD   TimeDateStamp;
    WORD    MajorVersion;
    WORD    MinorVersion;
    DWORD   Name;
    DWORD   Base;
    DWORD   NumberOfFunctions;
    DWORD   NumberOfNames;
    DWORD   AddressOfFunctions;     // RVA from base of image
    DWORD   AddressOfNames;         // RVA from base of image
    DWORD   AddressOfNameOrdinals;  // RVA from base of image
} IMAGE_EXPORT_DIRECTORY, *PIMAGE_EXPORT_DIRECTORY;
#endif

NTHALAPI
VOID
NTAPI
HalDisplayString (
    PUCHAR String
    );

NTHALAPI
VOID
NTAPI
HalQueryDisplayParameters (
    OUT PULONG WidthInCharacters,
    OUT PULONG HeightInLines,
    OUT PULONG CursorColumn,
    OUT PULONG CursorRow
    );

NTHALAPI
VOID
NTAPI
HalSetDisplayParameters (
    IN ULONG CursorColumn,
    IN ULONG CursorRow
    );

extern ULONG NtBuildNumber;

#endif //__NTDDK_EX__H__
