reactos/include/ndk/i386/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     i386 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 _I386_KETYPES_H
  20 #define _I386_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_IOPL             0x3000L
  92 #define EFLAGS_NESTED_TASK      0x4000L
  93 #define EFLAGS_RF               0x10000
  94 #define EFLAGS_V86_MASK         0x20000
  95 #define EFLAGS_ALIGN_CHECK      0x40000
  96 #define EFLAGS_VIF              0x80000
  97 #define EFLAGS_VIP              0x100000
  98 #define EFLAGS_ID               0x200000
  99 #define EFLAGS_USER_SANITIZE    0x3F4DD7
 100 #define EFLAG_SIGN              0x8000
 101 #define EFLAG_ZERO              0x4000
 102
 103 //
 104 // IPI Types
 105 //
 106 #define IPI_APC                 1
 107 #define IPI_DPC                 2
 108 #define IPI_FREEZE              4
 109 #define IPI_PACKET_READY        8
 110 #define IPI_SYNCH_REQUEST       16
 111
 112 //
 113 // PRCB Flags
 114 //
 115 #define PRCB_MAJOR_VERSION      1
 116 #define PRCB_BUILD_DEBUG        1
 117 #define PRCB_BUILD_UNIPROCESSOR 2
 118
 119 //
 120 // HAL Variables
 121 //
 122 #define INITIAL_STALL_COUNT     0x64
 123
 124 //
 125 // IOPM Definitions
 126 //
 127 #define IO_ACCESS_MAP_NONE      0
 128 #define IOPM_OFFSET             FIELD_OFFSET(KTSS, IoMaps[0].IoMap)
 129 #define KiComputeIopmOffset(MapNumber)              \
 130     (MapNumber == IO_ACCESS_MAP_NONE) ?             \
 131         (USHORT)(sizeof(KTSS)) :                    \
 132         (USHORT)(FIELD_OFFSET(KTSS, IoMaps[MapNumber-1].IoMap))
 133
 134 //
 135 // Static Kernel-Mode Address start (use MM_KSEG0_BASE for actual)
 136 //
 137 #define KSEG0_BASE              0x80000000
 138
 139 //
 140 // Synchronization-level IRQL
 141 //
 142 #ifndef CONFIG_SMP
 143 #define SYNCH_LEVEL             DISPATCH_LEVEL
 144 #else
 145 #define SYNCH_LEVEL             (IPI_LEVEL - 1)
 146 #endif
 147
 148 //
 149 // Trap Frame Definition
 150 //
 151 typedef struct _KTRAP_FRAME
 152 {
 153     ULONG DbgEbp;
 154     ULONG DbgEip;
 155     ULONG DbgArgMark;
 156     ULONG DbgArgPointer;
 157     ULONG TempSegCs;
 158     ULONG TempEsp;
 159     ULONG Dr0;
 160     ULONG Dr1;
 161     ULONG Dr2;
 162     ULONG Dr3;
 163     ULONG Dr6;
 164     ULONG Dr7;
 165     ULONG SegGs;
 166     ULONG SegEs;
 167     ULONG SegDs;
 168     ULONG Edx;
 169     ULONG Ecx;
 170     ULONG Eax;
 171     ULONG PreviousPreviousMode;
 172     struct _EXCEPTION_REGISTRATION_RECORD FAR *ExceptionList;
 173     ULONG SegFs;
 174     ULONG Edi;
 175     ULONG Esi;
 176     ULONG Ebx;
 177     ULONG Ebp;
 178     ULONG ErrCode;
 179     ULONG Eip;
 180     ULONG SegCs;
 181     ULONG EFlags;
 182     ULONG HardwareEsp;
 183     ULONG HardwareSegSs;
 184     ULONG V86Es;
 185     ULONG V86Ds;
 186     ULONG V86Fs;
 187     ULONG V86Gs;
 188 } KTRAP_FRAME, *PKTRAP_FRAME;
 189
 190 //
 191 // LDT Entry Definition
 192 //
 193 #ifndef _LDT_ENTRY_DEFINED
 194 #define _LDT_ENTRY_DEFINED
 195 typedef struct _LDT_ENTRY
 196 {
 197     USHORT LimitLow;
 198     USHORT BaseLow;
 199     union
 200     {
 201         struct
 202         {
 203             UCHAR BaseMid;
 204             UCHAR Flags1;
 205             UCHAR Flags2;
 206             UCHAR BaseHi;
 207         } Bytes;
 208         struct
 209         {
 210             ULONG BaseMid:8;
 211             ULONG Type:5;
 212             ULONG Dpl:2;
 213             ULONG Pres:1;
 214             ULONG LimitHi:4;
 215             ULONG Sys:1;
 216             ULONG Reserved_0:1;
 217             ULONG Default_Big:1;
 218             ULONG Granularity:1;
 219             ULONG BaseHi:8;
 220         } Bits;
 221     } HighWord;
 222 } LDT_ENTRY, *PLDT_ENTRY, *LPLDT_ENTRY;
 223 #endif
 224
 225 //
 226 // GDT Entry Definition
 227 //
 228 typedef struct _KGDTENTRY
 229 {
 230     USHORT LimitLow;
 231     USHORT BaseLow;
 232     union
 233     {
 234         struct
 235         {
 236             UCHAR BaseMid;
 237             UCHAR Flags1;
 238             UCHAR Flags2;
 239             UCHAR BaseHi;
 240         } Bytes;
 241         struct
 242         {
 243             ULONG BaseMid:8;
 244             ULONG Type:5;
 245             ULONG Dpl:2;
 246             ULONG Pres:1;
 247             ULONG LimitHi:4;
 248             ULONG Sys:1;
 249             ULONG Reserved_0:1;
 250             ULONG Default_Big:1;
 251             ULONG Granularity:1;
 252             ULONG BaseHi:8;
 253         } Bits;
 254     } HighWord;
 255 } KGDTENTRY, *PKGDTENTRY;
 256
 257 //
 258 // IDT Entry Access Definition
 259 //
 260 typedef struct _KIDT_ACCESS
 261 {
 262     union
 263     {
 264         struct
 265         {
 266             UCHAR Reserved;
 267             UCHAR SegmentType:4;
 268             UCHAR SystemSegmentFlag:1;
 269             UCHAR Dpl:2;
 270             UCHAR Present:1;
 271         };
 272         USHORT Value;
 273     };
 274 } KIDT_ACCESS, *PKIDT_ACCESS;
 275
 276 //
 277 // IDT Entry Definition
 278 //
 279 typedef struct _KIDTENTRY
 280 {
 281     USHORT Offset;
 282     USHORT Selector;
 283     USHORT Access;
 284     USHORT ExtendedOffset;
 285 } KIDTENTRY, *PKIDTENTRY;
 286
 287 typedef struct _DESCRIPTOR
 288 {
 289     USHORT Pad;
 290     USHORT Limit;
 291     ULONG Base;
 292 } KDESCRIPTOR, *PKDESCRIPTOR;
 293
 294 #ifndef NTOS_MODE_USER
 295 //
 296 // Macro to get current KPRCB
 297 //
 298 FORCEINLINE
 299 struct _KPRCB *
 300 KeGetCurrentPrcb(VOID)
 301 {
 302     return (struct _KPRCB *)(ULONG_PTR)__readfsdword(FIELD_OFFSET(KPCR, Prcb));
 303 }
 304
 305 //
 306 // FN/FX (FPU) Save Area Structures
 307 //
 308 typedef struct _FNSAVE_FORMAT
 309 {
 310     ULONG ControlWord;
 311     ULONG StatusWord;
 312     ULONG TagWord;
 313     ULONG ErrorOffset;
 314     ULONG ErrorSelector;
 315     ULONG DataOffset;
 316     ULONG DataSelector;
 317     UCHAR RegisterArea[80];
 318 } FNSAVE_FORMAT, *PFNSAVE_FORMAT;
 319
 320 typedef struct _FXSAVE_FORMAT
 321 {
 322     USHORT ControlWord;
 323     USHORT StatusWord;
 324     USHORT TagWord;
 325     USHORT ErrorOpcode;
 326     ULONG ErrorOffset;
 327     ULONG ErrorSelector;
 328     ULONG DataOffset;
 329     ULONG DataSelector;
 330     ULONG MXCsr;
 331     ULONG MXCsrMask;
 332     UCHAR RegisterArea[128];
 333     UCHAR Reserved3[128];
 334     UCHAR Reserved4[224];
 335     UCHAR Align16Byte[8];
 336 } FXSAVE_FORMAT, *PFXSAVE_FORMAT;
 337
 338 typedef struct _FX_SAVE_AREA
 339 {
 340     union
 341     {
 342         FNSAVE_FORMAT FnArea;
 343         FXSAVE_FORMAT FxArea;
 344     } U;
 345     ULONG NpxSavedCpu;
 346     ULONG Cr0NpxState;
 347 } FX_SAVE_AREA, *PFX_SAVE_AREA;
 348
 349 //
 350 // Special Registers Structure (outside of CONTEXT)
 351 //
 352 typedef struct _KSPECIAL_REGISTERS
 353 {
 354     ULONG Cr0;
 355     ULONG Cr2;
 356     ULONG Cr3;
 357     ULONG Cr4;
 358     ULONG KernelDr0;
 359     ULONG KernelDr1;
 360     ULONG KernelDr2;
 361     ULONG KernelDr3;
 362     ULONG KernelDr6;
 363     ULONG KernelDr7;
 364     KDESCRIPTOR Gdtr;
 365     KDESCRIPTOR Idtr;
 366     USHORT Tr;
 367     USHORT Ldtr;
 368     ULONG Reserved[6];
 369 } KSPECIAL_REGISTERS, *PKSPECIAL_REGISTERS;
 370
 371 //
 372 // Processor State Data
 373 //
 374 typedef struct _KPROCESSOR_STATE
 375 {
 376     CONTEXT ContextFrame;
 377     KSPECIAL_REGISTERS SpecialRegisters;
 378 } KPROCESSOR_STATE, *PKPROCESSOR_STATE;
 379
 380 //
 381 // Processor Region Control Block
 382 //
 383 #pragma pack(push,4)
 384 typedef struct _KPRCB
 385 {
 386     USHORT MinorVersion;
 387     USHORT MajorVersion;
 388     struct _KTHREAD *CurrentThread;
 389     struct _KTHREAD *NextThread;
 390     struct _KTHREAD *IdleThread;
 391     UCHAR Number;
 392     UCHAR Reserved;
 393     USHORT BuildType;
 394     KAFFINITY SetMember;
 395     UCHAR CpuType;
 396     UCHAR CpuID;
 397     USHORT CpuStep;
 398     KPROCESSOR_STATE ProcessorState;
 399     ULONG KernelReserved[16];
 400     ULONG HalReserved[16];
 401 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 402     ULONG CFlushSize;
 403     UCHAR PrcbPad0[88];
 404 #else
 405     UCHAR PrcbPad0[92];
 406 #endif
 407     KSPIN_LOCK_QUEUE LockQueue[LockQueueMaximumLock];
 408     struct _KTHREAD *NpxThread;
 409     ULONG InterruptCount;
 410     ULONG KernelTime;
 411     ULONG UserTime;
 412     ULONG DpcTime;
 413     ULONG DebugDpcTime;
 414     ULONG InterruptTime;
 415     ULONG AdjustDpcThreshold;
 416     ULONG PageColor;
 417     UCHAR SkipTick;
 418     UCHAR DebuggerSavedIRQL;
 419 #if (NTDDI_VERSION >= NTDDI_WS03)
 420     UCHAR NodeColor;
 421 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 422     UCHAR PollSlot;
 423 #else
 424     UCHAR Spare1;
 425 #endif
 426     ULONG NodeShiftedColor;
 427 #else
 428     UCHAR Spare1[6];
 429 #endif
 430     struct _KNODE *ParentNode;
 431     ULONG MultiThreadProcessorSet;
 432     struct _KPRCB *MultiThreadSetMaster;
 433 #if (NTDDI_VERSION >= NTDDI_WS03)
 434     ULONG SecondaryColorMask;
 435 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 436     ULONG DpcTimeLimit;
 437 #else
 438     LONG Sleeping;
 439 #endif
 440 #else
 441     ULONG ThreadStartCount[2];
 442 #endif
 443     ULONG CcFastReadNoWait;
 444     ULONG CcFastReadWait;
 445     ULONG CcFastReadNotPossible;
 446     ULONG CcCopyReadNoWait;
 447     ULONG CcCopyReadWait;
 448     ULONG CcCopyReadNoWaitMiss;
 449 #if (NTDDI_VERSION < NTDDI_LONGHORN)
 450     ULONG KeAlignmentFixupCount;
 451 #endif
 452     ULONG SpareCounter0;
 453 #if (NTDDI_VERSION < NTDDI_LONGHORN)
 454     ULONG KeDcacheFlushCount;
 455     ULONG KeExceptionDispatchCount;
 456     ULONG KeFirstLevelTbFills;
 457     ULONG KeFloatingEmulationCount;
 458     ULONG KeIcacheFlushCount;
 459     ULONG KeSecondLevelTbFills;
 460     ULONG KeSystemCalls;
 461 #endif
 462     volatile ULONG IoReadOperationCount;
 463     volatile ULONG IoWriteOperationCount;
 464     volatile ULONG IoOtherOperationCount;
 465     LARGE_INTEGER IoReadTransferCount;
 466     LARGE_INTEGER IoWriteTransferCount;
 467     LARGE_INTEGER IoOtherTransferCount;
 468 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 469     ULONG CcFastMdlReadNoWait;
 470     ULONG CcFastMdlReadWait;
 471     ULONG CcFastMdlReadNotPossible;
 472     ULONG CcMapDataNoWait;
 473     ULONG CcMapDataWait;
 474     ULONG CcPinMappedDataCount;
 475     ULONG CcPinReadNoWait;
 476     ULONG CcPinReadWait;
 477     ULONG CcMdlReadNoWait;
 478     ULONG CcMdlReadWait;
 479     ULONG CcLazyWriteHotSpots;
 480     ULONG CcLazyWriteIos;
 481     ULONG CcLazyWritePages;
 482     ULONG CcDataFlushes;
 483     ULONG CcDataPages;
 484     ULONG CcLostDelayedWrites;
 485     ULONG CcFastReadResourceMiss;
 486     ULONG CcCopyReadWaitMiss;
 487     ULONG CcFastMdlReadResourceMiss;
 488     ULONG CcMapDataNoWaitMiss;
 489     ULONG CcMapDataWaitMiss;
 490     ULONG CcPinReadNoWaitMiss;
 491     ULONG CcPinReadWaitMiss;
 492     ULONG CcMdlReadNoWaitMiss;
 493     ULONG CcMdlReadWaitMiss;
 494     ULONG CcReadAheadIos;
 495     ULONG KeAlignmentFixupCount;
 496     ULONG KeExceptionDispatchCount;
 497     ULONG KeSystemCalls;
 498     ULONG PrcbPad1[3];
 499 #else
 500     ULONG SpareCounter1[8];
 501 #endif
 502     PP_LOOKASIDE_LIST PPLookasideList[16];
 503     PP_LOOKASIDE_LIST PPNPagedLookasideList[32];
 504     PP_LOOKASIDE_LIST PPPagedLookasideList[32];
 505     volatile ULONG PacketBarrier;
 506     volatile ULONG ReverseStall;
 507     PVOID IpiFrame;
 508     UCHAR PrcbPad2[52];
 509     volatile PVOID CurrentPacket[3];
 510     volatile ULONG TargetSet;
 511     volatile PKIPI_WORKER WorkerRoutine;
 512     volatile ULONG IpiFrozen;
 513     UCHAR PrcbPad3[40];
 514     volatile ULONG RequestSummary;
 515     volatile struct _KPRCB *SignalDone;
 516     UCHAR PrcbPad4[56];
 517     struct _KDPC_DATA DpcData[2];
 518     PVOID DpcStack;
 519     ULONG MaximumDpcQueueDepth;
 520     ULONG DpcRequestRate;
 521     ULONG MinimumDpcRate;
 522     volatile UCHAR DpcInterruptRequested;
 523     volatile UCHAR DpcThreadRequested;
 524     volatile UCHAR DpcRoutineActive;
 525     volatile UCHAR DpcThreadActive;
 526     ULONG PrcbLock;
 527     ULONG DpcLastCount;
 528     volatile ULONG TimerHand;
 529     volatile ULONG TimerRequest;
 530     PVOID DpcThread;
 531     KEVENT DpcEvent;
 532     UCHAR ThreadDpcEnable;
 533     volatile BOOLEAN QuantumEnd;
 534     UCHAR PrcbPad50;
 535     volatile UCHAR IdleSchedule;
 536     LONG DpcSetEventRequest;
 537 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 538     LONG Sleeping;
 539     ULONG PeriodicCount;
 540     ULONG PeriodicBias;
 541     UCHAR PrcbPad5[6];
 542 #else
 543     UCHAR PrcbPad5[18];
 544 #endif
 545     LONG TickOffset;
 546     KDPC CallDpc;
 547 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 548     LONG ClockKeepAlive;
 549     UCHAR ClockCheckSlot;
 550     UCHAR ClockPollCycle;
 551     UCHAR PrcbPad6[2];
 552     LONG DpcWatchdogPeriod;
 553     LONG DpcWatchDogCount;
 554     LONG ThreadWatchdogPeriod;
 555     LONG ThreadWatchDogCount;
 556     ULONG PrcbPad70[2];
 557 #else
 558     ULONG PrcbPad7[8];
 559 #endif
 560     LIST_ENTRY WaitListHead;
 561     ULONG ReadySummary;
 562     ULONG QueueIndex;
 563 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 564     SINGLE_LIST_ENTRY DeferredReadyListHead;
 565     ULONGLONG StartCycles;
 566     ULONGLONG CycleTime;
 567     ULONGLONG PrcbPad71[3];
 568     LIST_ENTRY DispatcherReadyListHead[32];
 569 #else
 570     LIST_ENTRY DispatcherReadyListHead[32];
 571     SINGLE_LIST_ENTRY DeferredReadyListHead;
 572     ULONG PrcbPad72[11];
 573 #endif
 574     PVOID ChainedInterruptList;
 575     LONG LookasideIrpFloat;
 576     volatile LONG MmPageFaultCount;
 577     volatile LONG MmCopyOnWriteCount;
 578     volatile LONG MmTransitionCount;
 579     volatile LONG MmCacheTransitionCount;
 580     volatile LONG MmDemandZeroCount;
 581     volatile LONG MmPageReadCount;
 582     volatile LONG MmPageReadIoCount;
 583     volatile LONG MmCacheReadCount;
 584     volatile LONG MmCacheIoCount;
 585     volatile LONG MmDirtyPagesWriteCount;
 586     volatile LONG MmDirtyWriteIoCount;
 587     volatile LONG MmMappedPagesWriteCount;
 588     volatile LONG MmMappedWriteIoCount;
 589 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 590     ULONG CachedCommit;
 591     ULONG CachedResidentAvailable;
 592     PVOID HyperPte;
 593     UCHAR CpuVendor;
 594     UCHAR PrcbPad9[3];
 595 #else
 596     ULONG SpareFields0[1];
 597 #endif
 598     UCHAR VendorString[13];
 599     UCHAR InitialApicId;
 600     UCHAR LogicalProcessorsPerPhysicalProcessor;
 601     ULONG MHz;
 602     ULONG FeatureBits;
 603     LARGE_INTEGER UpdateSignature;
 604     volatile LARGE_INTEGER IsrTime;
 605     LARGE_INTEGER SpareField1;
 606     FX_SAVE_AREA NpxSaveArea;
 607     PROCESSOR_POWER_STATE PowerState;
 608 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
 609     KDPC DpcWatchdogDoc;
 610     KTIMER DpcWatchdogTimer;
 611     PVOID WheaInfo;
 612     PVOID EtwSupport;
 613     SLIST_HEADER InterruptObjectPool;
 614     LARGE_INTEGER HyperCallPagePhysical;
 615     LARGE_INTEGER HyperCallPageVirtual;
 616     PVOID RateControl;
 617     CACHE_DESCRIPTOR Cache[5];
 618     ULONG CacheCount;
 619     ULONG CacheProcessorMask[5];
 620     UCHAR LogicalProcessorsPerCore;
 621     UCHAR PrcbPad8[3];
 622     ULONG PackageProcessorSet;
 623     ULONG CoreProcessorSet;
 624 #endif
 625 } KPRCB, *PKPRCB;
 626
 627 //
 628 // Processor Control Region
 629 //
 630 typedef struct _KIPCR
 631 {
 632     union
 633     {
 634         NT_TIB NtTib;
 635         struct
 636         {
 637             struct _EXCEPTION_REGISTRATION_RECORD *Used_ExceptionList;
 638             PVOID Used_StackBase;
 639             PVOID PerfGlobalGroupMask;
 640             PVOID TssCopy;
 641             ULONG ContextSwitches;
 642             KAFFINITY SetMemberCopy;
 643             PVOID Used_Self;
 644         };
 645     };
 646     struct _KPCR *Self;
 647     struct _KPRCB *Prcb;
 648     KIRQL Irql;
 649     ULONG IRR;
 650     ULONG IrrActive;
 651     ULONG IDR;
 652     PVOID KdVersionBlock;
 653     PKIDTENTRY IDT;
 654     PKGDTENTRY GDT;
 655     struct _KTSS *TSS;
 656     USHORT MajorVersion;
 657     USHORT MinorVersion;
 658     KAFFINITY SetMember;
 659     ULONG StallScaleFactor;
 660     UCHAR SpareUnused;
 661     UCHAR Number;
 662     UCHAR Reserved;
 663     UCHAR L2CacheAssociativity;
 664     ULONG VdmAlert;
 665     ULONG KernelReserved[14];
 666     ULONG SecondLevelCacheSize;
 667     ULONG HalReserved[16];
 668     ULONG InterruptMode;
 669     UCHAR Spare1;
 670     ULONG KernelReserved2[17];
 671     KPRCB PrcbData;
 672 } KIPCR, *PKIPCR;
 673 #pragma pack(pop)
 674
 675 //
 676 // TSS Definition
 677 //
 678 typedef struct _KiIoAccessMap
 679 {
 680     UCHAR DirectionMap[32];
 681     UCHAR IoMap[8196];
 682 } KIIO_ACCESS_MAP;
 683
 684 typedef struct _KTSS
 685 {
 686     USHORT Backlink;
 687     USHORT Reserved0;
 688     ULONG Esp0;
 689     USHORT Ss0;
 690     USHORT Reserved1;
 691     ULONG NotUsed1[4];
 692     ULONG CR3;
 693     ULONG Eip;
 694     ULONG EFlags;
 695     ULONG Eax;
 696     ULONG Ecx;
 697     ULONG Edx;
 698     ULONG Ebx;
 699     ULONG Esp;
 700     ULONG Ebp;
 701     ULONG Esi;
 702     ULONG Edi;
 703     USHORT Es;
 704     USHORT Reserved2;
 705     USHORT Cs;
 706     USHORT Reserved3;
 707     USHORT Ss;
 708     USHORT Reserved4;
 709     USHORT Ds;
 710     USHORT Reserved5;
 711     USHORT Fs;
 712     USHORT Reserved6;
 713     USHORT Gs;
 714     USHORT Reserved7;
 715     USHORT LDT;
 716     USHORT Reserved8;
 717     USHORT Flags;
 718     USHORT IoMapBase;
 719     KIIO_ACCESS_MAP IoMaps[1];
 720     UCHAR IntDirectionMap[32];
 721 } KTSS, *PKTSS;
 722
 723 //
 724 // i386 CPUs don't have exception frames
 725 //
 726 typedef struct _KEXCEPTION_FRAME KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
 727 #endif
 728 #endif