reactos/include/ndk/amd64/ketypes.h

   1 /*++ NDK Version: 0098
   2
   3 Copyright (c) Alex Ionescu.  All rights reserved.
   4
   5 Header Name:
   6
   7     ketypes.h (X86)
   8
   9 Abstract:
  10
  11     amd64 Type definitions for the Kernel services.
  12
  13 Author:
  14
  15     Alex Ionescu (alexi@tinykrnl.org) - Updated - 27-Feb-2006
  16
  17 --*/
  18
  19 #ifndef _AMD64_KETYPES_H
  20 #define _AMD64_KETYPES_H
  21
  22 //
  23 // Dependencies
  24 //
  25
  26 //
  27 // KPCR Access for non-IA64 builds
  28 //
  29 //#define K0IPCR                  ((ULONG_PTR)(KIP0PCRADDRESS))
  30 //#define PCR                     ((volatile KPCR * const)K0IPCR)
  31 //#if defined(CONFIG_SMP) || defined(NT_BUILD)
  32 //#undef  KeGetPcr
  33 //#define KeGetPcr()              ((volatile KPCR * const)__readfsdword(0x1C))
  34 //#endif
  35
  36 //
  37 // Machine Types
  38 //
  39 #define MACHINE_TYPE_ISA        0x0000
  40 #define MACHINE_TYPE_EISA       0x0001
  41 #define MACHINE_TYPE_MCA        0x0002
  42
  43 //
  44 // X86 80386 Segment Types
  45 //
  46 #define I386_TASK_GATE          0x5
  47 #define I386_TSS                0x9
  48 #define I386_ACTIVE_TSS         0xB
  49 #define I386_CALL_GATE          0xC
  50 #define I386_INTERRUPT_GATE     0xE
  51 #define I386_TRAP_GATE          0xF
  52
  53 //
  54 // Selector Names
  55 //
  56 #define RPL_MASK                0x0003
  57 #define MODE_MASK               0x0001
  58 #define KGDT_R0_CODE            0x8
  59 #define KGDT_R0_DATA            0x10
  60 #define KGDT_R3_CODE            0x18
  61 #define KGDT_R3_DATA            0x20
  62 #define KGDT_TSS                0x28
  63 #define KGDT_R0_PCR             0x30
  64 #define KGDT_R3_TEB             0x38
  65 #define KGDT_LDT                0x48
  66 #define KGDT_DF_TSS             0x50
  67 #define KGDT_NMI_TSS            0x58
  68
  69 //
  70 // CR4
  71 //
  72 #define CR4_VME                 0x1
  73 #define CR4_PVI                 0x2
  74 #define CR4_TSD                 0x4
  75 #define CR4_DE                  0x8
  76 #define CR4_PSE                 0x10
  77 #define CR4_PAE                 0x20
  78 #define CR4_MCE                 0x40
  79 #define CR4_PGE                 0x80
  80 #define CR4_FXSR                0x200
  81 #define CR4_XMMEXCPT            0x400
  82
  83 //
  84 // EFlags
  85 //
  86 #define EFLAGS_CF               0x01L
  87 #define EFLAGS_ZF               0x40L
  88 #define EFLAGS_TF               0x100L
  89 #define EFLAGS_INTERRUPT_MASK   0x200L
  90 #define EFLAGS_DF               0x400L
  91 #define EFLAGS_NESTED_TASK      0x4000L
  92 #define EFLAGS_V86_MASK         0x20000
  93 #define EFLAGS_ALIGN_CHECK      0x40000
  94 #define EFLAGS_VIF              0x80000
  95 #define EFLAGS_VIP              0x100000
  96 #define EFLAGS_USER_SANITIZE    0x3F4DD7
  97 #define EFLAG_SIGN              0x8000
  98 #define EFLAG_ZERO              0x4000
  99
 100 //
 101 // IPI Types
 102 //
 103 #define IPI_APC                 1
 104 #define IPI_DPC                 2
 105 #define IPI_FREEZE              4
 106 #define IPI_PACKET_READY        8
 107 #define IPI_SYNCH_REQUEST       16
 108
 109 //
 110 // PRCB Flags
 111 //
 112 #define PRCB_MAJOR_VERSION      1
 113 #define PRCB_BUILD_DEBUG        1
 114 #define PRCB_BUILD_UNIPROCESSOR 2
 115
 116 //
 117 // HAL Variables
 118 //
 119 #define INITIAL_STALL_COUNT     0x64
 120
 121 //
 122 // IOPM Definitions
 123 //
 124 #define IO_ACCESS_MAP_NONE      0
 125 #define IOPM_OFFSET             FIELD_OFFSET(KTSS, IoMaps[0].IoMap)
 126 #define KiComputeIopmOffset(MapNumber)              \
 127     (MapNumber == IO_ACCESS_MAP_NONE) ?             \
 128         (USHORT)(sizeof(KTSS)) :                    \
 129         (USHORT)(FIELD_OFFSET(KTSS, IoMaps[MapNumber-1].IoMap))
 130
 131 //
 132 // Static Kernel-Mode Address start (use MM_KSEG0_BASE for actual)
 133 //
 134 #define KSEG0_BASE              0xffff080000000000ULL
 135
 136 //
 137 // Synchronization-level IRQL
 138 //
 139 #ifndef CONFIG_SMP
 140 #define SYNCH_LEVEL             DISPATCH_LEVEL
 141 #else
 142 #define SYNCH_LEVEL             (IPI_LEVEL - 1)
 143 #endif
 144
 145 //
 146 // Trap Frame Definition
 147 //
 148 typedef struct _KTRAP_FRAME
 149 {
 150     ULONG DbgEbp;
 151     ULONG DbgEip;
 152     ULONG DbgArgMark;
 153     ULONG DbgArgPointer;
 154     ULONG TempSegCs;
 155     ULONG TempEsp;
 156     ULONG Dr0;
 157     ULONG Dr1;
 158     ULONG Dr2;
 159     ULONG Dr3;
 160     ULONG Dr6;
 161     ULONG Dr7;
 162     ULONG SegGs;
 163     ULONG SegEs;
 164     ULONG SegDs;
 165     ULONG Edx;
 166     ULONG Ecx;
 167     ULONG Eax;
 168     ULONG PreviousPreviousMode;
 169     struct _EXCEPTION_REGISTRATION_RECORD FAR *ExceptionList;
 170     ULONG SegFs;
 171     ULONG Edi;
 172     ULONG Esi;
 173     ULONG Ebx;
 174     ULONG Ebp;
 175     ULONG ErrCode;
 176     ULONG Eip;
 177     ULONG SegCs;
 178     ULONG EFlags;
 179     ULONG HardwareEsp;
 180     ULONG HardwareSegSs;
 181     ULONG V86Es;
 182     ULONG V86Ds;
 183     ULONG V86Fs;
 184     ULONG V86Gs;
 185 } KTRAP_FRAME, *PKTRAP_FRAME;
 186
 187 //
 188 // LDT Entry Definition
 189 //
 190 #ifndef _LDT_ENTRY_DEFINED
 191 #define _LDT_ENTRY_DEFINED
 192 typedef struct _LDT_ENTRY
 193 {
 194     USHORT LimitLow;
 195     USHORT BaseLow;
 196     union
 197     {
 198         struct
 199         {
 200             UCHAR BaseMid;
 201             UCHAR Flags1;
 202             UCHAR Flags2;
 203             UCHAR BaseHi;
 204         } Bytes;
 205         struct
 206         {
 207             ULONG BaseMid:8;
 208             ULONG Type:5;
 209             ULONG Dpl:2;
 210             ULONG Pres:1;
 211             ULONG LimitHi:4;
 212             ULONG Sys:1;
 213             ULONG Reserved_0:1;
 214             ULONG Default_Big:1;
 215             ULONG Granularity:1;
 216             ULONG BaseHi:8;
 217         } Bits;
 218     } HighWord;
 219 } LDT_ENTRY, *PLDT_ENTRY, *LPLDT_ENTRY;
 220 #endif
 221
 222 //
 223 // GDT Entry Definition
 224 //
 225 typedef struct _KGDTENTRY
 226 {
 227     USHORT LimitLow;
 228     USHORT BaseLow;
 229     union
 230     {
 231         struct
 232         {
 233             UCHAR BaseMid;
 234             UCHAR Flags1;
 235             UCHAR Flags2;
 236             UCHAR BaseHi;
 237         } Bytes;
 238         struct
 239         {
 240             ULONG BaseMid:8;
 241             ULONG Type:5;
 242             ULONG Dpl:2;
 243             ULONG Pres:1;
 244             ULONG LimitHi:4;
 245             ULONG Sys:1;
 246             ULONG Reserved_0:1;
 247             ULONG Default_Big:1;
 248             ULONG Granularity:1;
 249             ULONG BaseHi:8;
 250         } Bits;
 251     } HighWord;
 252 } KGDTENTRY, *PKGDTENTRY;
 253
 254 //
 255 // IDT Entry Access Definition
 256 //
 257 typedef struct _KIDT_ACCESS
 258 {
 259     union
 260     {
 261         struct
 262         {
 263             UCHAR Reserved;
 264             UCHAR SegmentType:4;
 265             UCHAR SystemSegmentFlag:1;
 266             UCHAR Dpl:2;
 267             UCHAR Present:1;
 268         };
 269         USHORT Value;
 270     };
 271 } KIDT_ACCESS, *PKIDT_ACCESS;
 272
 273 //
 274 // IDT Entry Definition
 275 //
 276 typedef struct _KIDTENTRY
 277 {
 278     USHORT Offset;
 279     USHORT Selector;
 280     USHORT Access;
 281     USHORT ExtendedOffset;
 282 } KIDTENTRY, *PKIDTENTRY;
 283
 284 typedef struct _DESCRIPTOR
 285 {
 286     USHORT Pad;
 287     USHORT Limit;
 288     ULONG Base;
 289 } KDESCRIPTOR, *PKDESCRIPTOR;
 290
 291 #ifndef NTOS_MODE_USER
 292 //
 293 // Macro to get current KPRCB
 294 //
 295 FORCEINLINE
 296 struct _KPRCB *
 297 KeGetCurrentPrcb(VOID)
 298 {
 299 //    return (struct _KPRCB *)(ULONG_PTR)__readgsqword(FIELD_OFFSET(KPCR, Prcb));
 300   return 0;
 301 }
 302
 303 //
 304 // FN/FX (FPU) Save Area Structures
 305 //
 306 typedef struct _FNSAVE_FORMAT
 307 {
 308     ULONG ControlWord;
 309     ULONG StatusWord;
 310     ULONG TagWord;
 311     ULONG ErrorOffset;
 312     ULONG ErrorSelector;
 313     ULONG DataOffset;
 314     ULONG DataSelector;
 315     UCHAR RegisterArea[80];
 316 } FNSAVE_FORMAT, *PFNSAVE_FORMAT;
 317
 318 typedef struct _FXSAVE_FORMAT
 319 {
 320     USHORT ControlWord;
 321     USHORT StatusWord;
 322     USHORT TagWord;
 323     USHORT ErrorOpcode;
 324     ULONG ErrorOffset;
 325     ULONG ErrorSelector;
 326     ULONG DataOffset;
 327     ULONG DataSelector;
 328     ULONG MXCsr;
 329     ULONG MXCsrMask;
 330     UCHAR RegisterArea[128];
 331     UCHAR Reserved3[128];
 332     UCHAR Reserved4[224];
 333     UCHAR Align16Byte[8];
 334 } FXSAVE_FORMAT, *PFXSAVE_FORMAT;
 335
 336 typedef struct _FX_SAVE_AREA
 337 {
 338     union
 339     {
 340         FNSAVE_FORMAT FnArea;
 341         FXSAVE_FORMAT FxArea;
 342     } U;
 343     ULONG NpxSavedCpu;
 344     ULONG Cr0NpxState;
 345 } FX_SAVE_AREA, *PFX_SAVE_AREA;
 346
 347 //
 348 // Special Registers Structure (outside of CONTEXT)
 349 //
 350 typedef struct _KSPECIAL_REGISTERS
 351 {
 352     ULONG Cr0;
 353     ULONG Cr2;
 354     ULONG Cr3;
 355     ULONG Cr4;
 356     ULONG KernelDr0;
 357     ULONG KernelDr1;
 358     ULONG KernelDr2;
 359     ULONG KernelDr3;
 360     ULONG KernelDr6;
 361     ULONG KernelDr7;
 362     KDESCRIPTOR Gdtr;
 363     KDESCRIPTOR Idtr;
 364     USHORT Tr;
 365     USHORT Ldtr;
 366     ULONG Reserved[6];
 367 } KSPECIAL_REGISTERS, *PKSPECIAL_REGISTERS;
 368
 369 //
 370 // Processor State Data
 371 //
 372 typedef struct _KPROCESSOR_STATE
 373 {
 374     CONTEXT ContextFrame;
 375     KSPECIAL_REGISTERS SpecialRegisters;
 376 } KPROCESSOR_STATE, *PKPROCESSOR_STATE;
 377
 378 //
 379 // Processor Region Control Block
 380 //
 381 #pragma pack(push,4)
 382 typedef struct _KPRCB
 383 {
 384     USHORT MinorVersion;
 385     USHORT MajorVersion;
 386     struct _KTHREAD *CurrentThread;
 387     struct _KTHREAD *NextThread;
 388     struct _KTHREAD *IdleThread;
 389     UCHAR Number;
 390     UCHAR Reserved;
 391     USHORT BuildType;
 392     KAFFINITY SetMember;
 393     UCHAR CpuType;
 394     UCHAR CpuID;
 395     USHORT CpuStep;
 396     KPROCESSOR_STATE ProcessorState;
 397     ULONG KernelReserved[16];
 398     ULONG HalReserved[16];
 399 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 400     ULONG CFlushSize;
 401     UCHAR PrcbPad0[88];
 402 #else
 403     UCHAR PrcbPad0[92];
 404 #endif
 405     KSPIN_LOCK_QUEUE LockQueue[LockQueueMaximumLock];
 406     struct _KTHREAD *NpxThread;
 407     ULONG InterruptCount;
 408     ULONG KernelTime;
 409     ULONG UserTime;
 410     ULONG DpcTime;
 411     ULONG DebugDpcTime;
 412     ULONG InterruptTime;
 413     ULONG AdjustDpcThreshold;
 414     ULONG PageColor;
 415     UCHAR SkipTick;
 416     UCHAR DebuggerSavedIRQL;
 417 #if (NTDDI_VERSION >= NTDDI_WS03)
 418     UCHAR NodeColor;
 419 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 420     UCHAR PollSlot;
 421 #else
 422     UCHAR Spare1;
 423 #endif
 424     ULONG NodeShiftedColor;
 425 #else
 426     UCHAR Spare1[6];
 427 #endif
 428     struct _KNODE *ParentNode;
 429     ULONG MultiThreadProcessorSet;
 430     struct _KPRCB *MultiThreadSetMaster;
 431 #if (NTDDI_VERSION >= NTDDI_WS03)
 432     ULONG SecondaryColorMask;
 433 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 434     ULONG DpcTimeLimit;
 435 #else
 436     LONG Sleeping;
 437 #endif
 438 #else
 439     ULONG ThreadStartCount[2];
 440 #endif
 441     ULONG CcFastReadNoWait;
 442     ULONG CcFastReadWait;
 443     ULONG CcFastReadNotPossible;
 444     ULONG CcCopyReadNoWait;
 445     ULONG CcCopyReadWait;
 446     ULONG CcCopyReadNoWaitMiss;
 447 #if (NTDDI_VERSION < NTDDI_LONGHORN)
 448     ULONG KeAlignmentFixupCount;
 449 #endif
 450     ULONG SpareCounter0;
 451 #if (NTDDI_VERSION < NTDDI_LONGHORN)
 452     ULONG KeDcacheFlushCount;
 453     ULONG KeExceptionDispatchCount;
 454     ULONG KeFirstLevelTbFills;
 455     ULONG KeFloatingEmulationCount;
 456     ULONG KeIcacheFlushCount;
 457     ULONG KeSecondLevelTbFills;
 458     ULONG KeSystemCalls;
 459 #endif
 460     volatile ULONG IoReadOperationCount;
 461     volatile ULONG IoWriteOperationCount;
 462     volatile ULONG IoOtherOperationCount;
 463     LARGE_INTEGER IoReadTransferCount;
 464     LARGE_INTEGER IoWriteTransferCount;
 465     LARGE_INTEGER IoOtherTransferCount;
 466 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 467     ULONG CcFastMdlReadNoWait;
 468     ULONG CcFastMdlReadWait;
 469     ULONG CcFastMdlReadNotPossible;
 470     ULONG CcMapDataNoWait;
 471     ULONG CcMapDataWait;
 472     ULONG CcPinMappedDataCount;
 473     ULONG CcPinReadNoWait;
 474     ULONG CcPinReadWait;
 475     ULONG CcMdlReadNoWait;
 476     ULONG CcMdlReadWait;
 477     ULONG CcLazyWriteHotSpots;
 478     ULONG CcLazyWriteIos;
 479     ULONG CcLazyWritePages;
 480     ULONG CcDataFlushes;
 481     ULONG CcDataPages;
 482     ULONG CcLostDelayedWrites;
 483     ULONG CcFastReadResourceMiss;
 484     ULONG CcCopyReadWaitMiss;
 485     ULONG CcFastMdlReadResourceMiss;
 486     ULONG CcMapDataNoWaitMiss;
 487     ULONG CcMapDataWaitMiss;
 488     ULONG CcPinReadNoWaitMiss;
 489     ULONG CcPinReadWaitMiss;
 490     ULONG CcMdlReadNoWaitMiss;
 491     ULONG CcMdlReadWaitMiss;
 492     ULONG CcReadAheadIos;
 493     ULONG KeAlignmentFixupCount;
 494     ULONG KeExceptionDispatchCount;
 495     ULONG KeSystemCalls;
 496     ULONG PrcbPad1[3];
 497 #else
 498     ULONG SpareCounter1[8];
 499 #endif
 500     PP_LOOKASIDE_LIST PPLookasideList[16];
 501     PP_LOOKASIDE_LIST PPNPagedLookasideList[32];
 502     PP_LOOKASIDE_LIST PPPagedLookasideList[32];
 503     volatile ULONG PacketBarrier;
 504     volatile ULONG ReverseStall;
 505     PVOID IpiFrame;
 506     UCHAR PrcbPad2[52];
 507     volatile PVOID CurrentPacket[3];
 508     volatile ULONG TargetSet;
 509     volatile PKIPI_WORKER WorkerRoutine;
 510     volatile ULONG IpiFrozen;
 511     UCHAR PrcbPad3[40];
 512     volatile ULONG RequestSummary;
 513     volatile struct _KPRCB *SignalDone;
 514     UCHAR PrcbPad4[56];
 515     struct _KDPC_DATA DpcData[2];
 516     PVOID DpcStack;
 517     ULONG MaximumDpcQueueDepth;
 518     ULONG DpcRequestRate;
 519     ULONG MinimumDpcRate;
 520     volatile UCHAR DpcInterruptRequested;
 521     volatile UCHAR DpcThreadRequested;
 522     volatile UCHAR DpcRoutineActive;
 523     volatile UCHAR DpcThreadActive;
 524     ULONG PrcbLock;
 525     ULONG DpcLastCount;
 526     volatile ULONG TimerHand;
 527     volatile ULONG TimerRequest;
 528     PVOID DpcThread;
 529     KEVENT DpcEvent;
 530     UCHAR ThreadDpcEnable;
 531     volatile BOOLEAN QuantumEnd;
 532     UCHAR PrcbPad50;
 533     volatile UCHAR IdleSchedule;
 534     LONG DpcSetEventRequest;
 535 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 536     LONG Sleeping;
 537     ULONG PeriodicCount;
 538     ULONG PeriodicBias;
 539     UCHAR PrcbPad5[6];
 540 #else
 541     UCHAR PrcbPad5[18];
 542 #endif
 543     LONG TickOffset;
 544     KDPC CallDpc;
 545 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 546     LONG ClockKeepAlive;
 547     UCHAR ClockCheckSlot;
 548     UCHAR ClockPollCycle;
 549     UCHAR PrcbPad6[2];
 550     LONG DpcWatchdogPeriod;
 551     LONG DpcWatchDogCount;
 552     LONG ThreadWatchdogPeriod;
 553     LONG ThreadWatchDogCount;
 554     ULONG PrcbPad70[2];
 555 #else
 556     ULONG PrcbPad7[8];
 557 #endif
 558     LIST_ENTRY WaitListHead;
 559     ULONG ReadySummary;
 560     ULONG QueueIndex;
 561 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 562     SINGLE_LIST_ENTRY DeferredReadyListHead;
 563     ULONGLONG StartCycles;
 564     ULONGLONG CycleTime;
 565     ULONGLONG PrcbPad71[3];
 566     LIST_ENTRY DispatcherReadyListHead[32];
 567 #else
 568     LIST_ENTRY DispatcherReadyListHead[32];
 569     SINGLE_LIST_ENTRY DeferredReadyListHead;
 570     ULONG PrcbPad72[11];
 571 #endif
 572     PVOID ChainedInterruptList;
 573     LONG LookasideIrpFloat;
 574     volatile LONG MmPageFaultCount;
 575     volatile LONG MmCopyOnWriteCount;
 576     volatile LONG MmTransitionCount;
 577     volatile LONG MmCacheTransitionCount;
 578     volatile LONG MmDemandZeroCount;
 579     volatile LONG MmPageReadCount;
 580     volatile LONG MmPageReadIoCount;
 581     volatile LONG MmCacheReadCount;
 582     volatile LONG MmCacheIoCount;
 583     volatile LONG MmDirtyPagesWriteCount;
 584     volatile LONG MmDirtyWriteIoCount;
 585     volatile LONG MmMappedPagesWriteCount;
 586     volatile LONG MmMappedWriteIoCount;
 587 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 588     ULONG CachedCommit;
 589     ULONG CachedResidentAvailable;
 590     PVOID HyperPte;
 591     UCHAR CpuVendor;
 592     UCHAR PrcbPad9[3];
 593 #else
 594     ULONG SpareFields0[1];
 595 #endif
 596     CHAR VendorString[13];
 597     UCHAR InitialApicId;
 598     UCHAR LogicalProcessorsPerPhysicalProcessor;
 599     ULONG MHz;
 600     ULONG FeatureBits;
 601     LARGE_INTEGER UpdateSignature;
 602     volatile LARGE_INTEGER IsrTime;
 603     LARGE_INTEGER SpareField1;
 604     FX_SAVE_AREA NpxSaveArea;
 605     PROCESSOR_POWER_STATE PowerState;
 606 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 607     KDPC DpcWatchdogDoc;
 608     KTIMER DpcWatchdogTimer;
 609     PVOID WheaInfo;
 610     PVOID EtwSupport;
 611     SLIST_HEADER InterruptObjectPool;
 612     LARGE_INTEGER HyperCallPagePhysical;
 613     LARGE_INTEGER HyperCallPageVirtual;
 614     PVOID RateControl;
 615     CACHE_DESCRIPTOR Cache[5];
 616     ULONG CacheCount;
 617     ULONG CacheProcessorMask[5];
 618     UCHAR LogicalProcessorsPerCore;
 619     UCHAR PrcbPad8[3];
 620     ULONG PackageProcessorSet;
 621     ULONG CoreProcessorSet;
 622 #endif
 623 } KPRCB, *PKPRCB;
 624
 625 //
 626 // Processor Control Region
 627 //
 628 typedef struct _KIPCR
 629 {
 630     union
 631     {
 632         NT_TIB NtTib;
 633         struct
 634         {
 635             struct _EXCEPTION_REGISTRATION_RECORD *Used_ExceptionList;
 636             PVOID Used_StackBase;
 637             PVOID PerfGlobalGroupMask;
 638             PVOID TssCopy;
 639             ULONG ContextSwitches;
 640             KAFFINITY SetMemberCopy;
 641             PVOID Used_Self;
 642         };
 643     };
 644     struct _KPCR *Self;
 645     struct _KPRCB *Prcb;
 646     KIRQL Irql;
 647     ULONG IRR;
 648     ULONG IrrActive;
 649     ULONG IDR;
 650     PVOID KdVersionBlock;
 651     PKIDTENTRY IDT;
 652     PKGDTENTRY GDT;
 653     struct _KTSS *TSS;
 654     USHORT MajorVersion;
 655     USHORT MinorVersion;
 656     KAFFINITY SetMember;
 657     ULONG StallScaleFactor;
 658     UCHAR SparedUnused;
 659     UCHAR Number;
 660     UCHAR Reserved;
 661     UCHAR L2CacheAssociativity;
 662     ULONG VdmAlert;
 663     ULONG KernelReserved[14];
 664     ULONG SecondLevelCacheSize;
 665     ULONG HalReserved[16];
 666     ULONG InterruptMode;
 667     UCHAR Spare1;
 668     ULONG KernelReserved2[17];
 669     KPRCB PrcbData;
 670 } KIPCR, *PKIPCR;
 671 #pragma pack(pop)
 672
 673 //
 674 // TSS Definition
 675 //
 676 typedef struct _KiIoAccessMap
 677 {
 678     UCHAR DirectionMap[32];
 679     UCHAR IoMap[8196];
 680 } KIIO_ACCESS_MAP;
 681
 682 typedef struct _KTSS
 683 {
 684     USHORT Backlink;
 685     USHORT Reserved0;
 686     ULONG Esp0;
 687     USHORT Ss0;
 688     USHORT Reserved1;
 689     ULONG NotUsed1[4];
 690     ULONG CR3;
 691     ULONG Eip;
 692     ULONG EFlags;
 693     ULONG Eax;
 694     ULONG Ecx;
 695     ULONG Edx;
 696     ULONG Ebx;
 697     ULONG Esp;
 698     ULONG Ebp;
 699     ULONG Esi;
 700     ULONG Edi;
 701     USHORT Es;
 702     USHORT Reserved2;
 703     USHORT Cs;
 704     USHORT Reserved3;
 705     USHORT Ss;
 706     USHORT Reserved4;
 707     USHORT Ds;
 708     USHORT Reserved5;
 709     USHORT Fs;
 710     USHORT Reserved6;
 711     USHORT Gs;
 712     USHORT Reserved7;
 713     USHORT LDT;
 714     USHORT Reserved8;
 715     USHORT Flags;
 716     USHORT IoMapBase;
 717     KIIO_ACCESS_MAP IoMaps[1];
 718     UCHAR IntDirectionMap[32];
 719 } KTSS, *PKTSS;
 720
 721 //
 722 // i386 CPUs don't have exception frames
 723 //
 724 typedef struct _KEXCEPTION_FRAME KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 725 #endif
 726 #endif