#endif
#endif

//
// Size of kernel mode stack.
//

#define KERNEL_STACK_SIZE 12288

//
// Define size of large kernel mode stack for callbacks.
//

#define KERNEL_LARGE_STACK_SIZE 61440

//
// Define number of pages to initialize in a large kernel stack.
//

#define KERNEL_LARGE_STACK_COMMIT 12288

#ifdef _X86_

//
//  Define the size of the 80387 save area, which is in the context frame.
//

#define SIZE_OF_80387_REGISTERS      80

//
// The following flags control the contents of the CONTEXT structure.
//

#if !defined(RC_INVOKED)

#define CONTEXT_i386    0x00010000    // this assumes that i386 and
#define CONTEXT_i486    0x00010000    // i486 have identical context records

// end_wx86

#define CONTEXT_CONTROL         (CONTEXT_i386 | 0x00000001L) // SS:SP, CS:IP, FLAGS, BP
#define CONTEXT_INTEGER         (CONTEXT_i386 | 0x00000002L) // AX, BX, CX, DX, SI, DI
#define CONTEXT_SEGMENTS        (CONTEXT_i386 | 0x00000004L) // DS, ES, FS, GS
#define CONTEXT_FLOATING_POINT  (CONTEXT_i386 | 0x00000008L) // 387 state
#define CONTEXT_DEBUG_REGISTERS (CONTEXT_i386 | 0x00000010L) // DB 0-3,6,7
#define CONTEXT_EXTENDED_REGISTERS  (CONTEXT_i386 | 0x00000020L) // cpu specific extensions

#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER |\
                      CONTEXT_SEGMENTS)

// begin_wx86

#endif

#define MAXIMUM_SUPPORTED_EXTENSION     512

typedef struct _FLOATING_SAVE_AREA {
    ULONG   ControlWord;
    ULONG   StatusWord;
    ULONG   TagWord;
    ULONG   ErrorOffset;
    ULONG   ErrorSelector;
    ULONG   DataOffset;
    ULONG   DataSelector;
    UCHAR   RegisterArea[SIZE_OF_80387_REGISTERS];
    ULONG   Cr0NpxState;
} FLOATING_SAVE_AREA;

typedef FLOATING_SAVE_AREA *PFLOATING_SAVE_AREA;

//
// Context Frame
//
//  This frame has a several purposes: 1) it is used as an argument to
//  NtContinue, 2) is is used to constuct a call frame for APC delivery,
//  and 3) it is used in the user level thread creation routines.
//
//  The layout of the record conforms to a standard call frame.
//

typedef struct _CONTEXT {

    //
    // The flags values within this flag control the contents of
    // a CONTEXT record.
    //
    // If the context record is used as an input parameter, then
    // for each portion of the context record controlled by a flag
    // whose value is set, it is assumed that that portion of the
    // context record contains valid context. If the context record
    // is being used to modify a threads context, then only that
    // portion of the threads context will be modified.
    //
    // If the context record is used as an IN OUT parameter to capture
    // the context of a thread, then only those portions of the thread's
    // context corresponding to set flags will be returned.
    //
    // The context record is never used as an OUT only parameter.
    //

    ULONG ContextFlags;

    //
    // This section is specified/returned if CONTEXT_DEBUG_REGISTERS is
    // set in ContextFlags.  Note that CONTEXT_DEBUG_REGISTERS is NOT
    // included in CONTEXT_FULL.
    //

    ULONG   Dr0;
    ULONG   Dr1;
    ULONG   Dr2;
    ULONG   Dr3;
    ULONG   Dr6;
    ULONG   Dr7;

    //
    // This section is specified/returned if the
    // ContextFlags word contians the flag CONTEXT_FLOATING_POINT.
    //

    FLOATING_SAVE_AREA FloatSave;

    //
    // This section is specified/returned if the
    // ContextFlags word contians the flag CONTEXT_SEGMENTS.
    //

    ULONG   SegGs;
    ULONG   SegFs;
    ULONG   SegEs;
    ULONG   SegDs;

    //
    // This section is specified/returned if the
    // ContextFlags word contians the flag CONTEXT_INTEGER.
    //

    ULONG   Edi;
    ULONG   Esi;
    ULONG   Ebx;
    ULONG   Edx;
    ULONG   Ecx;
    ULONG   Eax;

    //
    // This section is specified/returned if the
    // ContextFlags word contians the flag CONTEXT_CONTROL.
    //

    ULONG   Ebp;
    ULONG   Eip;
    ULONG   SegCs;              // MUST BE SANITIZED
    ULONG   EFlags;             // MUST BE SANITIZED
    ULONG   Esp;
    ULONG   SegSs;

    //
    // This section is specified/returned if the ContextFlags word
    // contains the flag CONTEXT_EXTENDED_REGISTERS.
    // The format and contexts are processor specific
    //

    UCHAR   ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];

} CONTEXT;



typedef CONTEXT *PCONTEXT;

// begin_ntminiport

#endif //_X86_

#endif // _X86_

#if defined(_AMD64_)


#if defined(_M_AMD64) && !defined(RC_INVOKED) && !defined(MIDL_PASS)

//
// Define function to get the caller's EFLAGs value.
//

#define GetCallersEflags() __getcallerseflags()

unsigned __int32
__getcallerseflags (
    VOID
    );

#pragma intrinsic(__getcallerseflags)

//
// Define function to read the value of the time stamp counter
//

#define ReadTimeStampCounter() __rdtsc()

ULONG64
__rdtsc (
    VOID
    );

#pragma intrinsic(__rdtsc)

//
// Define functions to move strings or bytes, words, dwords, and qwords.
//

VOID
__movsb (
    IN PUCHAR Destination,
    IN PUCHAR Source,
    IN ULONG Count
    );

VOID
__movsw (
    IN PUSHORT Destination,
    IN PUSHORT Source,
    IN ULONG Count
    );

VOID
__movsd (
    IN PULONG Destination,
    IN PULONG Source,
    IN ULONG Count
    );

VOID
__movsq (
    IN PULONGLONG Destination,
    IN PULONGLONG Source,
    IN ULONG Count
    );

#pragma intrinsic(__movsb)
#pragma intrinsic(__movsw)
#pragma intrinsic(__movsd)
#pragma intrinsic(__movsq)

//
// Define functions to capture the high 64-bits of a 128-bit multiply.
//

#define MultiplyHigh __mulh
#define UnsignedMultiplyHigh __umulh

LONGLONG
MultiplyHigh (
    IN LONGLONG Multiplier,
    IN LONGLONG Multiplicand
    );

ULONGLONG
UnsignedMultiplyHigh (
    IN ULONGLONG Multiplier,
    IN ULONGLONG Multiplicand
    );

#pragma intrinsic(__mulh)
#pragma intrinsic(__umulh)

//
// Define functions to read and write the uer TEB and the system PCR/PRCB.
//

UCHAR
__readgsbyte (
    IN ULONG Offset
    );

USHORT
__readgsword (
    IN ULONG Offset
    );

ULONG
__readgsdword (
    IN ULONG Offset
    );

ULONG64
__readgsqword (
    IN ULONG Offset
    );

VOID
__writegsbyte (
    IN ULONG Offset,
    IN UCHAR Data
    );

VOID
__writegsword (
    IN ULONG Offset,
    IN USHORT Data
    );

VOID
__writegsdword (
    IN ULONG Offset,
    IN ULONG Data
    );

VOID
__writegsqword (
    IN ULONG Offset,
    IN ULONG64 Data
    );

#pragma intrinsic(__readgsbyte)
#pragma intrinsic(__readgsword)
#pragma intrinsic(__readgsdword)
#pragma intrinsic(__readgsqword)
#pragma intrinsic(__writegsbyte)
#pragma intrinsic(__writegsword)
#pragma intrinsic(__writegsdword)
#pragma intrinsic(__writegsqword)

#endif // defined(_M_AMD64) && !defined(RC_INVOKED) && !defined(MIDL_PASS)

//
// Size of kernel mode stack.
//

#define KERNEL_STACK_SIZE 0x5000

//
// Define size of large kernel mode stack for callbacks.
//

#define KERNEL_LARGE_STACK_SIZE 0xf000

//
// Define number of pages to initialize in a large kernel stack.
//

#define KERNEL_LARGE_STACK_COMMIT 0x5000

//
// Define the size of the stack used for processing an MCA exception.
//

#define KERNEL_MCA_EXCEPTION_STACK_SIZE 0x2000

//
// The following flags control the contents of the CONTEXT structure.
//

#if !defined(RC_INVOKED)

#define CONTEXT_AMD64   0x100000

// end_wx86

#define CONTEXT_CONTROL (CONTEXT_AMD64 | 0x1L)
#define CONTEXT_INTEGER (CONTEXT_AMD64 | 0x2L)
#define CONTEXT_SEGMENTS (CONTEXT_AMD64 | 0x4L)
#define CONTEXT_FLOATING_POINT  (CONTEXT_AMD64 | 0x8L)
#define CONTEXT_DEBUG_REGISTERS (CONTEXT_AMD64 | 0x10L)

#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)

// begin_wx86

#endif // !defined(RC_INVOKED)

//
// Define 128-bit 16-byte aligned xmm register type.
//

typedef struct DECLSPEC_ALIGN(16) _M128 {
    ULONGLONG Low;
    LONGLONG High;
} M128, *PM128;

//
// Format of data for fnsave/frstor instructions.
//
// This structure is used to store the legacy floating point state.
//

typedef struct _LEGACY_SAVE_AREA {
    USHORT ControlWord;
    USHORT Reserved0;
    USHORT StatusWord;
    USHORT Reserved1;
    USHORT TagWord;
    USHORT Reserved2;
    ULONG ErrorOffset;
    USHORT ErrorSelector;
    USHORT ErrorOpcode;
    ULONG DataOffset;
    USHORT DataSelector;
    USHORT Reserved3;
    UCHAR FloatRegisters[8 * 10];
} LEGACY_SAVE_AREA, *PLEGACY_SAVE_AREA;

#define LEGACY_SAVE_AREA_LENGTH  ((sizeof(LEGACY_SAVE_AREA) + 15) & ~15)

//
// Context Frame
//
//  This frame has a several purposes: 1) it is used as an argument to
//  NtContinue, 2) is is used to constuct a call frame for APC delivery,
//  and 3) it is used in the user level thread creation routines.
//
//
// The flags field within this record controls the contents of a CONTEXT
// record.
//
// If the context record is used as an input parameter, then for each
// portion of the context record controlled by a flag whose value is
// set, it is assumed that that portion of the context record contains
// valid context. If the context record is being used to modify a threads
// context, then only that portion of the threads context is modified.
//
// If the context record is used as an output parameter to capture the
// context of a thread, then only those portions of the thread's context
// corresponding to set flags will be returned.
//
// CONTEXT_CONTROL specifies SegSs, Rsp, SegCs, Rip, and EFlags.
//
// CONTEXT_INTEGER specifies Rax, Rcx, Rdx, Rbx, Rbp, Rsi, Rdi, and R8-R15.
//
// CONTEXT_SEGMENTS specifies SegDs, SegEs, SegFs, and SegGs.
//
// CONTEXT_DEBUG_REGISTERS specifies Dr0-Dr3 and Dr6-Dr7.
//
// CONTEXT_MMX_REGISTERS specifies the floating point and extended registers
//     Mm0/St0-Mm7/St7 and Xmm0-Xmm15).
//

typedef struct DECLSPEC_ALIGN(16) _CONTEXT {

    //
    // Register parameter home addresses.
    //

    ULONG64 P1Home;
    ULONG64 P2Home;
    ULONG64 P3Home;
    ULONG64 P4Home;
    ULONG64 P5Home;
    ULONG64 P6Home;

    //
    // Control flags.
    //

    ULONG ContextFlags;
    ULONG MxCsr;

    //
    // Segment Registers and processor flags.
    //

    USHORT SegCs;
    USHORT SegDs;
    USHORT SegEs;
    USHORT SegFs;
    USHORT SegGs;
    USHORT SegSs;
    ULONG EFlags;

    //
    // Debug registers
    //

    ULONG64 Dr0;
    ULONG64 Dr1;
    ULONG64 Dr2;
    ULONG64 Dr3;
    ULONG64 Dr6;
    ULONG64 Dr7;

    //
    // Integer registers.
    //

    ULONG64 Rax;
    ULONG64 Rcx;
    ULONG64 Rdx;
    ULONG64 Rbx;
    ULONG64 Rsp;
    ULONG64 Rbp;
    ULONG64 Rsi;
    ULONG64 Rdi;
    ULONG64 R8;
    ULONG64 R9;
    ULONG64 R10;
    ULONG64 R11;
    ULONG64 R12;
    ULONG64 R13;
    ULONG64 R14;
    ULONG64 R15;

    //
    // Program counter.
    //

    ULONG64 Rip;

    //
    // MMX/floating point state.
    //

    M128 Xmm0;
    M128 Xmm1;
    M128 Xmm2;
    M128 Xmm3;
    M128 Xmm4;
    M128 Xmm5;
    M128 Xmm6;
    M128 Xmm7;
    M128 Xmm8;
    M128 Xmm9;
    M128 Xmm10;
    M128 Xmm11;
    M128 Xmm12;
    M128 Xmm13;
    M128 Xmm14;
    M128 Xmm15;

    //
    // Legacy floating point state.
    //

    LEGACY_SAVE_AREA FltSave;
    ULONG Fill;
} CONTEXT, *PCONTEXT;


#endif // _AMD64_


#ifdef _IA64_

//
// Define size of kernel mode stack.