// ******************************************************************
// *
// *    .,-:::::    .,::      .::::::::.    .,::      .:
// *  ,;;;'````'    `;;;,  .,;;  ;;;'';;'   `;;;,  .,;; 
// *  [[[             '[[,,[['   [[[__[[\.    '[[,,[['  
// *  $$$              Y$$$P     $$""""Y$$     Y$$$P    
// *  `88bo,__,o,    oP"``"Yo,  _88o,,od8P   oP"``"Yo,  
// *    "YUMMMMMP",m"       "Mm,""YUMMMP" ,m"       "Mm,
// *
// *   Cxbx->Win32->CxbxKrnl->xntdll.h
// *
// *  This file is part of the Cxbx project.
// *
// *  Cxbx and Cxbe are free software; you can redistribute them
// *  and/or modify them under the terms of the GNU General Public
// *  License as published by the Free Software Foundation; either
// *  version 2 of the license, or (at your option) any later version.
// *
// *  This program is distributed in the hope that it will be useful,
// *  but WITHOUT ANY WARRANTY; without even the implied warranty of
// *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// *  GNU General Public License for more details.
// *
// *  You should have recieved a copy of the GNU General Public License
// *  along with this program; see the file COPYING.
// *  If not, write to the Free Software Foundation, Inc.,
// *  59 Temple Place - Suite 330, Bostom, MA 02111-1307, USA.
// *
// *  (c) 2002-2003 Aaron Robinson <caustik@caustik.com>
// *
// *  All rights reserved
// *
// ******************************************************************
#ifndef XNTDLL_H
#define XNTDLL_H

#if defined(__cplusplus)
extern "C"
{
#endif

// ******************************************************************
// * dll import/export
// ******************************************************************
#define DECLSPEC_IMPORT __declspec(dllimport)
#define DECLSPEC_EXPORT __declspec(dllexport)

// ******************************************************************
// * cxbx_krnl exports, others import
// ******************************************************************
#define NTSYSAPI     DECLSPEC_IMPORT

// ******************************************************************
// * Basic types
// ******************************************************************
typedef char                CHAR;
typedef short               SHORT;
typedef long                LONG;
typedef unsigned char       UCHAR;
typedef unsigned char       BYTE;
typedef unsigned char       BOOLEAN;
typedef unsigned short      USHORT;
typedef	unsigned short		WORD;
typedef unsigned long       ULONG;
typedef	unsigned long       DWORD;
typedef unsigned long       SIZE_T, *PSIZE_T;
typedef unsigned long       ACCESS_MASK;
typedef unsigned long       PHYSICAL_ADDRESS;
typedef long                INT_PTR;

// ******************************************************************
// * Pointer types
// ******************************************************************
typedef CHAR               *PCHAR;
typedef CHAR               *PCSZ;
typedef BYTE               *PBYTE;
typedef BOOLEAN            *PBOOLEAN;
typedef UCHAR              *PUCHAR;
typedef USHORT             *PUSHORT;
typedef ULONG              *PULONG;
typedef ACCESS_MASK        *PACCESS_MASK;
typedef LONG               *LONG_PTR;
typedef INT_PTR            *PINT_PTR;
typedef void                VOID;
typedef VOID               *PVOID;
typedef void               *HANDLE;
typedef HANDLE             *PHANDLE;

// ******************************************************************
// * NTSTATUS
// ******************************************************************
typedef long                            NTSTATUS;
typedef unsigned __int64                ULONGLONG;

// ******************************************************************
// * LDT_ENTRY
// ******************************************************************
typedef struct _LDT_ENTRY
{
    WORD    LimitLow;
    WORD    BaseLow;

    union
    {
        struct
        {
            BYTE    BaseMid;
            BYTE    Flags1;     // Declare as bytes to avoid alignment
            BYTE    Flags2;     // Problems.
            BYTE    BaseHi;
        }
        Bytes;

        struct
        {
            DWORD   BaseMid : 8;
            DWORD   Type : 5;
            DWORD   Dpl : 2;
            DWORD   Pres : 1;
            DWORD   LimitHi : 4;
            DWORD   Sys : 1;
            DWORD   Reserved_0 : 1;
            DWORD   Default_Big : 1;
            DWORD   Granularity : 1;
            DWORD   BaseHi : 8;
        }
        Bits;

    }
    HighWord;
}
LDT_ENTRY, *PLDT_ENTRY;

// ******************************************************************
// * NtSetLdtEntries
// ******************************************************************
NTSYSAPI NTSTATUS NTAPI NtSetLdtEntries
(
    IN USHORT       Selector1,
    IN LDT_ENTRY    Descriptor1,
    IN USHORT       Selector2,
    IN LDT_ENTRY    Descriptor2
);

#if defined(__cplusplus)
}
#endif

#endif