wine/msdos/dpmi.c
2003-09-17 22:45:46 +00:00

89 lines
2.4 KiB
C

/*
* DPMI 0.9 emulation
*
* Copyright 1995 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "callback.h"
#include "wine/debug.h"
#include "wine/windef16.h"
WINE_DEFAULT_DEBUG_CHANNEL(int31);
DOSVM_TABLE Dosvm = { NULL, };
static HMODULE DosModule;
/**********************************************************************
* DPMI_LoadDosSystem
*/
BOOL DPMI_LoadDosSystem(void)
{
if (DosModule) return TRUE;
DosModule = LoadLibraryA( "winedos.dll" );
if (!DosModule) {
ERR("could not load winedos.dll, DOS subsystem unavailable\n");
return FALSE;
}
#define GET_ADDR(func) Dosvm.func = (void *)GetProcAddress(DosModule, #func);
GET_ADDR(inport);
GET_ADDR(outport);
GET_ADDR(EmulateInterruptPM);
GET_ADDR(CallBuiltinHandler);
#undef GET_ADDR
return TRUE;
}
/***********************************************************************
* NetBIOSCall (KERNEL.103)
*
*/
void WINAPI NetBIOSCall16( CONTEXT86 *context )
{
if (Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( context, 0x5c );
}
/***********************************************************************
* DOS3Call (KERNEL.102)
*/
void WINAPI DOS3Call( CONTEXT86 *context )
{
if (Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( context, 0x21 );
}
/***********************************************************************
* GetSetKernelDOSProc (KERNEL.311)
*/
FARPROC16 WINAPI GetSetKernelDOSProc16( FARPROC16 DosProc )
{
FIXME("(DosProc=0x%08x): stub\n", (UINT)DosProc);
return NULL;
}