extplugin.h

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002-2024  The Bochs Project
//
// extplugin.h
//
// This header file defines the types necessary to make a Bochs plugin,
// but without mentioning all the details of Bochs internals (bochs.h).
// It is included by the configuration interfaces and possibly other
// things which are intentionally isolated from other parts of the program.
//
// The original plugin_t struct comes from the plugin.h file from plex86.
// Plex86 is Copyright (C) 1999-2000  The plex86 developers team
//
/////////////////////////////////////////////////////////////////////////

#ifndef __EXTPLUGIN_H
#define __EXTPLUGIN_H

#if BX_PLUGINS && !defined(WIN32)
#if BX_HAVE_LTDL
#include <ltdl.h>
#else
#error Plugin support requires libltdl installed on your system
#endif
#endif

#define PLUGTYPE_NULL      0x00
#define PLUGTYPE_CORE      0x01
#define PLUGTYPE_STANDARD  0x02
#define PLUGTYPE_OPTIONAL  0x04
#define PLUGTYPE_VGA       0x08
#define PLUGTYPE_USB       0x40
#define PLUGTYPE_CI        0x80
#define PLUGTYPE_GUI      0x100
#define PLUGTYPE_IMG      0x200
#define PLUGTYPE_NET      0x400
#define PLUGTYPE_SND      0x800

#define PLUGFLAG_PCI 0x01

#define PLUGIN_FINI  0
#define PLUGIN_INIT  1
#define PLUGIN_PROBE 2
#define PLUGIN_FLAGS 3

typedef int (CDECL *plugin_entry_t)(struct _plugin_t *plugin, Bit16u type, Bit8u mode);

typedef struct _plugin_t
{
#if BX_PLUGINS
    char *name;
#if defined(WIN32)
    HINSTANCE handle;
#else
    lt_dlhandle handle;
#endif
#else
    const char *name;
#endif
    Bit16u type;
    Bit8u flags;
    plugin_entry_t plugin_entry;
    bool initialized;
    Bit16u loadtype;

#if BX_PLUGINS
    struct _plugin_t *next;
#endif
} plugin_t;

#endif /* __EXTPLUGIN_H */