ketypes.h

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*++ NDK Version: 0098

Copyright (c) Alex Ionescu.  All rights reserved.

Header Name:

    ketypes.h (X86)

Abstract:

    i386 Type definitions for the Kernel services.

Author:

    Alex Ionescu ([e-mail]) - Updated - 27-Feb-2006

--*/

#ifndef _I386_KETYPES_H
#define _I386_KETYPES_H

//
// Dependencies
//

//
// Machine Types
//
#define MACHINE_TYPE_ISA        0x0000
#define MACHINE_TYPE_EISA       0x0001
#define MACHINE_TYPE_MCA        0x0002

//
// X86 80386 Segment Types
//
#define I386_TASK_GATE          0x5
#define I386_TSS                0x9
#define I386_ACTIVE_TSS         0xB
#define I386_CALL_GATE          0xC
#define I386_INTERRUPT_GATE     0xE
#define I386_TRAP_GATE          0xF

//
// Selector Names
//
#define RPL_MASK                0x0003
#define MODE_MASK               0x0001
#define KGDT_R0_CODE            0x8
#define KGDT_R0_DATA            0x10
#define KGDT_R3_CODE            0x18
#define KGDT_R3_DATA            0x20
#define KGDT_TSS                0x28
#define KGDT_R0_PCR             0x30
#define KGDT_R3_TEB             0x38
#define KGDT_LDT                0x48
#define KGDT_DF_TSS             0x50
#define KGDT_NMI_TSS            0x58

//
// CR4
//
#define CR4_VME                 0x1
#define CR4_PVI                 0x2
#define CR4_TSD                 0x4
#define CR4_DE                  0x8
#define CR4_PSE                 0x10
#define CR4_PAE                 0x20
#define CR4_MCE                 0x40
#define CR4_PGE                 0x80
#define CR4_FXSR                0x200
#define CR4_XMMEXCPT            0x400

//
// EFlags
//
#define EFLAGS_CF               0x01L
#define EFLAGS_ZF               0x40L
#define EFLAGS_TF               0x100L
#define EFLAGS_INTERRUPT_MASK   0x200L
#define EFLAGS_DF               0x400L
#define EFLAGS_NESTED_TASK      0x4000L
#define EFLAGS_V86_MASK         0x20000
#define EFLAGS_ALIGN_CHECK      0x40000
#define EFLAGS_VIF              0x80000
#define EFLAGS_VIP              0x100000
#define EFLAGS_USER_SANITIZE    0x3F4DD7
#define EFLAG_SIGN              0x8000
#define EFLAG_ZERO              0x4000

//
// IPI Types
//
#define IPI_APC                 1
#define IPI_DPC                 2
#define IPI_FREEZE              4
#define IPI_PACKET_READY        8
#define IPI_SYNCH_REQUEST       16

//
// PRCB Flags
//
#define PRCB_MAJOR_VERSION      1
#define PRCB_BUILD_DEBUG        1
#define PRCB_BUILD_UNIPROCESSOR 2

//
// HAL Variables
//
#define INITIAL_STALL_COUNT     0x64

//
// Static Kernel-Mode Address start (use MM_KSEG0_BASE for actual)
//
#define KSEG0_BASE              0x80000000

//
// Synchronization-level IRQL
//
#ifndef CONFIG_SMP
#define SYNCH_LEVEL             DISPATCH_LEVEL
#else
#define SYNCH_LEVEL             (IPI_LEVEL - 1)
#endif

//
// Trap Frame Definition
//
typedef struct _KTRAP_FRAME
{
    ULONG DbgEbp;
    ULONG DbgEip;
    ULONG DbgArgMark;
    ULONG DbgArgPointer;
    ULONG TempSegCs;
    ULONG TempEsp;
    ULONG Dr0;
    ULONG Dr1;
    ULONG Dr2;
    ULONG Dr3;
    ULONG Dr6;
    ULONG Dr7;
    ULONG SegGs;
    ULONG SegEs;
    ULONG SegDs;
    ULONG Edx;
    ULONG Ecx;
    ULONG Eax;
    ULONG PreviousPreviousMode;
    struct _EXCEPTION_REGISTRATION_RECORD FAR *ExceptionList;
    ULONG SegFs;
    ULONG Edi;
    ULONG Esi;
    ULONG Ebx;
    ULONG Ebp;
    ULONG ErrCode;
    ULONG Eip;
    ULONG SegCs;
    ULONG EFlags;
    ULONG HardwareEsp;
    ULONG HardwareSegSs;
    ULONG V86Es;
    ULONG V86Ds;
    ULONG V86Fs;
    ULONG V86Gs;
} KTRAP_FRAME, *PKTRAP_FRAME;

//
// LDT Entry Definition
//
#ifndef _LDT_ENTRY_DEFINED
#define _LDT_ENTRY_DEFINED
typedef struct _LDT_ENTRY
{
    USHORT LimitLow;
    USHORT BaseLow;
    union
    {
        struct
        {
            UCHAR BaseMid;
            UCHAR Flags1;
            UCHAR Flags2;
            UCHAR BaseHi;
        } Bytes;
        struct
        {
            ULONG BaseMid:8;
            ULONG Type:5;
            ULONG Dpl:2;
            ULONG Pres:1;
            ULONG LimitHi:4;
            ULONG Sys:1;
            ULONG Reserved_0:1;
            ULONG Default_Big:1;
            ULONG Granularity:1;
            ULONG BaseHi:8;
        } Bits;
    } HighWord;
} LDT_ENTRY, *PLDT_ENTRY, *LPLDT_ENTRY;
#endif

//
// GDT Entry Definition
//
typedef struct _KGDTENTRY
{
    USHORT LimitLow;
    USHORT BaseLow;
    union
    {
        struct
        {
            UCHAR BaseMid;
            UCHAR Flags1;
            UCHAR Flags2;
            UCHAR BaseHi;
        } Bytes;
        struct
        {
            ULONG BaseMid:8;
            ULONG Type:5;
            ULONG Dpl:2;
            ULONG Pres:1;
            ULONG LimitHi:4;
            ULONG Sys:1;
            ULONG Reserved_0:1;
            ULONG Default_Big:1;
            ULONG Granularity:1;
            ULONG BaseHi:8;
        } Bits;
    } HighWord;
} KGDTENTRY, *PKGDTENTRY;

//
// IDT Entry Access Definition
//
typedef struct _KIDT_ACCESS
{
    union
    {
        struct
        {
            UCHAR Reserved;
            UCHAR SegmentType:4;
            UCHAR SystemSegmentFlag:1;
            UCHAR Dpl:2;
            UCHAR Present:1;
        };
        USHORT Value;
    };
} KIDT_ACCESS, *PKIDT_ACCESS;

//
// IDT Entry Definition
//
typedef struct _KIDTENTRY
{
    USHORT Offset;
    USHORT Selector;
    USHORT Access;
    USHORT ExtendedOffset;
} KIDTENTRY, *PKIDTENTRY;

typedef struct _DESCRIPTOR
{
    USHORT Pad;
    USHORT Limit;
    ULONG Base;
} KDESCRIPTOR, *PKDESCRIPTOR;

#ifndef NTOS_MODE_USER
//
// Macro to get current KPRCB
//
FORCEINLINE
struct _KPRCB *
KeGetCurrentPrcb(VOID)
{
    return (struct _KPRCB *)(ULONG_PTR)__readfsdword(FIELD_OFFSET(KPCR, Prcb));
}

//
// FN/FX (FPU) Save Area Structures
//
typedef struct _FNSAVE_FORMAT
{
    ULONG ControlWord;
    ULONG StatusWord;
    ULONG TagWord;
    ULONG ErrorOffset;
    ULONG ErrorSelector;
    ULONG DataOffset;
    ULONG DataSelector;
    UCHAR RegisterArea[80];
} FNSAVE_FORMAT, *PFNSAVE_FORMAT;

typedef struct _FXSAVE_FORMAT
{
    USHORT ControlWord;
    USHORT StatusWord;
    USHORT TagWord;
    USHORT ErrorOpcode;
    ULONG ErrorOffset;
    ULONG ErrorSelector;
    ULONG DataOffset;
    ULONG DataSelector;
    ULONG MXCsr;
    ULONG MXCsrMask;
    UCHAR RegisterArea[128];
    UCHAR Reserved3[128];
    UCHAR Reserved4[224];
    UCHAR Align16Byte[8];
} FXSAVE_FORMAT, *PFXSAVE_FORMAT;

typedef struct _FX_SAVE_AREA
{
    union
    {
        FNSAVE_FORMAT FnArea;
        FXSAVE_FORMAT FxArea;
    } U;
    ULONG NpxSavedCpu;
    ULONG Cr0NpxState;
} FX_SAVE_AREA, *PFX_SAVE_AREA;

//
// Special Registers Structure (outside of CONTEXT)
//
typedef struct _KSPECIAL_REGISTERS
{
    ULONG Cr0;
    ULONG Cr2;
    ULONG Cr3;
    ULONG Cr4;
    ULONG KernelDr0;
    ULONG KernelDr1;
    ULONG KernelDr2;
    ULONG KernelDr3;
    ULONG KernelDr6;
    ULONG KernelDr7;
    KDESCRIPTOR Gdtr;
    KDESCRIPTOR Idtr;
    USHORT Tr;
    USHORT Ldtr;
    ULONG Reserved[6];
} KSPECIAL_REGISTERS, *PKSPECIAL_REGISTERS;

//
// Processor State Data
//
typedef struct _KPROCESSOR_STATE
{
    CONTEXT ContextFrame;
    KSPECIAL_REGISTERS SpecialRegisters;
} KPROCESSOR_STATE, *PKPROCESSOR_STATE;