mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-05 18:01:34 +00:00
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
|
|
* Interrupt vectors 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 <sys/types.h>
|
|
#include "windef.h"
|
|
#include "wine/winbase16.h"
|
|
#include "miscemu.h"
|
|
#include "msdos.h"
|
|
#include "module.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(int);
|
|
|
|
static FARPROC16 INT_Vectors[256];
|
|
|
|
/* Ordinal number for interrupt 0 handler in WPROCS.DLL */
|
|
#define FIRST_INTERRUPT 100
|
|
|
|
|
|
/**********************************************************************
|
|
* INT_GetPMHandler
|
|
*
|
|
* Return the protected mode interrupt vector for a given interrupt.
|
|
*/
|
|
FARPROC16 INT_GetPMHandler( BYTE intnum )
|
|
{
|
|
if (!INT_Vectors[intnum])
|
|
{
|
|
static HMODULE16 wprocs;
|
|
if (!wprocs)
|
|
{
|
|
if (((wprocs = GetModuleHandle16( "wprocs" )) < 32) &&
|
|
((wprocs = LoadLibrary16( "wprocs" )) < 32))
|
|
{
|
|
ERR("could not load wprocs.dll\n");
|
|
return 0;
|
|
}
|
|
}
|
|
if (!(INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + intnum))))
|
|
{
|
|
WARN("int%x not implemented, returning dummy handler\n", intnum );
|
|
INT_Vectors[intnum] = GetProcAddress16( wprocs, (LPCSTR)(FIRST_INTERRUPT + 256) );
|
|
}
|
|
}
|
|
return INT_Vectors[intnum];
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* INT_SetPMHandler
|
|
*
|
|
* Set the protected mode interrupt handler for a given interrupt.
|
|
*/
|
|
void INT_SetPMHandler( BYTE intnum, FARPROC16 handler )
|
|
{
|
|
TRACE("Set protected mode interrupt vector %02x <- %04x:%04x\n",
|
|
intnum, HIWORD(handler), LOWORD(handler) );
|
|
INT_Vectors[intnum] = handler;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* INT_DefaultHandler (WPROCS.356)
|
|
*
|
|
* Default interrupt handler.
|
|
*/
|
|
void WINAPI INT_DefaultHandler( CONTEXT86 *context )
|
|
{
|
|
}
|