d4171cbf31
and internal names).
1165 lines
34 KiB
C++
1165 lines
34 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002-2021 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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//
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/////////////////////////////////////////////////////////////////////////
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//
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// This file defines the plugin and plugin-device registration functions and
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// the device registration functions. It handles dynamic loading of modules,
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// using the LTDL library for cross-platform support.
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//
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// This file is based on the plugin.c file from plex86, but with significant
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// changes to make it work in Bochs.
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// Plex86 is Copyright (C) 1999-2000 The plex86 developers team
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//
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/////////////////////////////////////////////////////////////////////////
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#include "bochs.h"
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#include "iodev/iodev.h"
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#include "plugin.h"
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#ifndef WIN32
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#include <dirent.h> /* opendir, readdir */
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#include <locale.h> /* setlocale */
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#endif
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#define LOG_THIS genlog->
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#define PLUGIN_ENTRY_FMT_STRING "lib%s_plugin_entry"
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#define GUI_PLUGIN_ENTRY_FMT_STRING "lib%s_gui_plugin_entry"
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#define IMG_PLUGIN_ENTRY_FMT_STRING "lib%s_img_plugin_entry"
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#define NET_PLUGIN_ENTRY_FMT_STRING "libeth_%s_plugin_entry"
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#define SND_PLUGIN_ENTRY_FMT_STRING "libsound%s_plugin_entry"
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#define PLUGIN_PATH ""
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#ifndef WIN32
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#define PLUGIN_FILENAME_FORMAT "libbx_%s.so"
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#define GUI_PLUGIN_FILENAME_FORMAT "libbx_%s_gui.so"
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#define IMG_PLUGIN_FILENAME_FORMAT "libbx_%s_img.so"
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#define NET_PLUGIN_FILENAME_FORMAT "libbx_eth_%s.so"
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#define SND_PLUGIN_FILENAME_FORMAT "libbx_sound%s.so"
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#else
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#define PLUGIN_FILENAME_FORMAT "bx_%s.dll"
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#define GUI_PLUGIN_FILENAME_FORMAT "bx_%s_gui.dll"
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#define IMG_PLUGIN_FILENAME_FORMAT "bx_%s_img.dll"
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#define NET_PLUGIN_FILENAME_FORMAT "bx_eth_%s.dll"
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#define SND_PLUGIN_FILENAME_FORMAT "bx_sound%s.dll"
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#endif
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logfunctions *pluginlog;
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extern "C" {
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void (*pluginRegisterIRQ)(unsigned irq, const char* name) = 0;
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void (*pluginUnregisterIRQ)(unsigned irq, const char* name) = 0;
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void (*pluginSetHRQ)(unsigned val) = 0;
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void (*pluginSetHRQHackCallback)(void (*callback)(void)) = 0;
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int (*pluginRegisterIOReadHandler)(void *thisPtr, ioReadHandler_t callback,
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unsigned base, const char *name, Bit8u mask) = 0;
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int (*pluginRegisterIOWriteHandler)(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, const char *name, Bit8u mask) = 0;
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int (*pluginUnregisterIOReadHandler)(void *thisPtr, ioReadHandler_t callback,
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unsigned base, Bit8u mask) = 0;
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int (*pluginUnregisterIOWriteHandler)(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, Bit8u mask) = 0;
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int (*pluginRegisterIOReadHandlerRange)(void *thisPtr, ioReadHandler_t callback,
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unsigned base, unsigned end, const char *name, Bit8u mask) = 0;
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int (*pluginRegisterIOWriteHandlerRange)(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, unsigned end, const char *name, Bit8u mask) = 0;
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int (*pluginUnregisterIOReadHandlerRange)(void *thisPtr, ioReadHandler_t callback,
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unsigned begin, unsigned end, Bit8u mask) = 0;
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int (*pluginUnregisterIOWriteHandlerRange)(void *thisPtr, ioWriteHandler_t callback,
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unsigned begin, unsigned end, Bit8u mask) = 0;
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int (*pluginRegisterDefaultIOReadHandler)(void *thisPtr, ioReadHandler_t callback,
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const char *name, Bit8u mask) = 0;
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int (*pluginRegisterDefaultIOWriteHandler)(void *thisPtr, ioWriteHandler_t callback,
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const char *name, Bit8u mask) = 0;
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void (*pluginHRQHackCallback)(void);
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unsigned pluginHRQ = 0;
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plugin_t *plugins = NULL; /* Head of the linked list of plugins */
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device_t *devices = NULL; /* Head of the linked list of registered devices */
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device_t *core_devices = NULL; /* Head of the linked list of registered core devices */
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plugin_t *current_plugin_context = NULL;
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/************************************************************************/
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/* Builtins declarations */
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/************************************************************************/
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static void
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builtinRegisterIRQ(unsigned irq, const char* name)
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{
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bx_devices.register_irq(irq, name);
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}
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static void
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builtinUnregisterIRQ(unsigned irq, const char* name)
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{
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bx_devices.unregister_irq(irq, name);
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}
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static void
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builtinSetHRQ(unsigned val)
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{
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pluginHRQ = val;
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}
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static void
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builtinSetHRQHackCallback(void (*callback)(void))
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{
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pluginHRQHackCallback = callback;
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}
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static int
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builtinRegisterIOReadHandler(void *thisPtr, ioReadHandler_t callback,
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unsigned base, const char *name, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.register_io_read_handler (thisPtr, callback, base, name, mask);
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pluginlog->ldebug("plugin %s registered I/O read address at %04x", name, base);
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return ret;
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}
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static int
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builtinRegisterIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, const char *name, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.register_io_write_handler (thisPtr, callback, base, name, mask);
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pluginlog->ldebug("plugin %s registered I/O write address at %04x", name, base);
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return ret;
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}
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static int
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builtinUnregisterIOReadHandler(void *thisPtr, ioReadHandler_t callback,
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unsigned base, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.unregister_io_read_handler (thisPtr, callback, base, mask);
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pluginlog->ldebug("plugin unregistered I/O read address at %04x", base);
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return ret;
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}
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static int
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builtinUnregisterIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.unregister_io_write_handler (thisPtr, callback, base, mask);
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pluginlog->ldebug("plugin unregistered I/O write address at %04x", base);
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return ret;
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}
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static int
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builtinRegisterIOReadHandlerRange(void *thisPtr, ioReadHandler_t callback,
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unsigned base, unsigned end, const char *name, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.register_io_read_handler_range (thisPtr, callback, base, end, name, mask);
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pluginlog->ldebug("plugin %s registered I/O read addresses %04x to %04x", name, base, end);
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return ret;
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}
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static int
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builtinRegisterIOWriteHandlerRange(void *thisPtr, ioWriteHandler_t callback,
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unsigned base, unsigned end, const char *name, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.register_io_write_handler_range (thisPtr, callback, base, end, name, mask);
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pluginlog->ldebug("plugin %s registered I/O write addresses %04x to %04x", name, base, end);
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return ret;
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}
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static int
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builtinUnregisterIOReadHandlerRange(void *thisPtr, ioReadHandler_t callback,
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unsigned begin, unsigned end, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.unregister_io_read_handler_range (thisPtr, callback, begin, end, mask);
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pluginlog->ldebug("plugin unregistered I/O read addresses %04x to %04x", begin, end);
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return ret;
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}
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static int
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builtinUnregisterIOWriteHandlerRange(void *thisPtr, ioWriteHandler_t callback,
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unsigned begin, unsigned end, Bit8u mask)
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{
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int ret;
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BX_ASSERT(mask<8);
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ret = bx_devices.unregister_io_write_handler_range (thisPtr, callback, begin, end, mask);
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pluginlog->ldebug("plugin unregistered I/O write addresses %04x to %04x", begin, end);
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return ret;
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}
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static int
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builtinRegisterDefaultIOReadHandler(void *thisPtr, ioReadHandler_t callback,
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const char *name, Bit8u mask)
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{
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BX_ASSERT(mask<8);
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bx_devices.register_default_io_read_handler (thisPtr, callback, name, mask);
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pluginlog->ldebug("plugin %s registered default I/O read ", name);
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return 0;
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}
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static int
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builtinRegisterDefaultIOWriteHandler(void *thisPtr, ioWriteHandler_t callback,
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const char *name, Bit8u mask)
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{
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BX_ASSERT(mask<8);
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bx_devices.register_default_io_write_handler (thisPtr, callback, name, mask);
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pluginlog->ldebug("plugin %s registered default I/O write ", name);
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return 0;
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}
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#if BX_PLUGINS
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/************************************************************************/
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/* Search for all available plugins */
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/************************************************************************/
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void plugin_add_entry(char *pgn_name, plugintype_t type)
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{
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plugin_t *plugin, *temp;
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if (type == PLUGTYPE_GUI) {
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if (!strncmp(pgn_name + strlen(pgn_name) - 4, "_gui", 4)) {
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pgn_name[strlen(pgn_name) - 4] = 0;
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}
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} else if (type == PLUGTYPE_IMG) {
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if (!strncmp(pgn_name + strlen(pgn_name) - 4, "_img", 4)) {
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pgn_name[strlen(pgn_name) - 4] = 0;
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}
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} else if (type == PLUGTYPE_NET) {
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if (!strncmp(pgn_name, "eth_", 4)) {
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memmove(pgn_name, pgn_name + 4, strlen(pgn_name) - 3);
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}
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} else if (type == PLUGTYPE_SND) {
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if (!strncmp(pgn_name, "sound", 5)) {
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memmove(pgn_name, pgn_name + 5, strlen(pgn_name) - 4);
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}
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}
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plugin = new plugin_t;
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plugin->type = type;
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plugin->name = pgn_name;
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plugin->loadtype = PLUGTYPE_NULL;
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plugin->initialized = 0;
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/* Insert plugin at the _end_ of the plugin linked list. */
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plugin->next = NULL;
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if (plugins == NULL) {
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/* Empty list, this become the first entry. */
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plugins = plugin;
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} else {
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/* Non-empty list. Add to end. */
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temp = plugins;
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while (temp->next)
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temp = temp->next;
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temp->next = plugin;
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}
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}
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void plugins_search(void)
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{
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int nlen, flen1, flen2;
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char *fmtptr, *ltdl_path_var, *pgn_name, *pgn_path, *ptr;
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char fmtstr[32];
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#ifndef WIN32
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const char *path_sep = ":";
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DIR *dir;
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struct dirent *dent;
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lt_dlhandle handle;
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#else
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const char *path_sep = ";";
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WIN32_FIND_DATA finddata;
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HANDLE hFind;
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char filter[MAX_PATH];
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char path[MAX_PATH];
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HINSTANCE handle;
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#endif
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char tmpname[BX_PATHNAME_LEN];
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plugin_entry_t plugin_entry;
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plugintype_t type;
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#ifndef WIN32
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setlocale(LC_ALL, "en_US");
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#endif
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ltdl_path_var = getenv("LTDL_LIBRARY_PATH");
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sprintf(fmtstr, PLUGIN_FILENAME_FORMAT, "*");
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fmtptr = strchr(fmtstr, '*');
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flen1 = fmtptr - fmtstr;
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flen2 = strlen(fmtstr) - flen1 - 1;
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if (ltdl_path_var != NULL) {
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pgn_path = new char[strlen(ltdl_path_var) + 1];
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strcpy(pgn_path, ltdl_path_var);
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} else {
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pgn_path = new char[2];
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strcpy(pgn_path, ".");
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}
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ptr = strtok(pgn_path, path_sep);
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while (ptr != NULL) {
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#ifndef WIN32
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dir = opendir(ptr);
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if (dir != NULL) {
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while ((dent=readdir(dir)) != NULL) {
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nlen = strlen(dent->d_name);
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if ((!strncmp(dent->d_name, fmtstr, flen1)) &&
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(!strcmp(dent->d_name + nlen - flen2, fmtptr + 1))) {
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pgn_name = new char[nlen - flen1 - flen2 + 1];
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strncpy(pgn_name, dent->d_name + flen1, nlen - flen1 - flen2);
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pgn_name[nlen - flen1 - flen2] = 0;
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handle = lt_dlopen(dent->d_name);
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if (handle) {
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sprintf(tmpname, PLUGIN_ENTRY_FMT_STRING, pgn_name);
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plugin_entry = (plugin_entry_t) lt_dlsym(handle, tmpname);
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if (plugin_entry != NULL) {
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type = (plugintype_t) plugin_entry(NULL, PLUGTYPE_NULL, PLUGIN_PROBE);
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plugin_add_entry(pgn_name, type);
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}
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lt_dlclose(handle);
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} else {
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delete [] pgn_name;
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}
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}
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}
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closedir(dir);
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}
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#else
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sprintf(filter, "%s\\*.dll", ptr);
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hFind = FindFirstFile(filter, &finddata);
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if (hFind != INVALID_HANDLE_VALUE) {
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do {
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nlen = lstrlen(finddata.cFileName);
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if ((!strncmp(finddata.cFileName, fmtstr, flen1)) &&
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(!strcmp(finddata.cFileName + nlen - flen2, fmtptr + 1))) {
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pgn_name = new char[nlen - flen1 - flen2 + 1];
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strncpy(pgn_name, finddata.cFileName + flen1, nlen - flen1 - flen2);
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pgn_name[nlen - flen1 - flen2] = 0;
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sprintf(path, "%s\\%s", ptr, finddata.cFileName);
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handle = LoadLibrary(path);
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if (handle) {
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sprintf(tmpname, PLUGIN_ENTRY_FMT_STRING, pgn_name);
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plugin_entry = (plugin_entry_t) GetProcAddress(handle, tmpname);
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if (plugin_entry != NULL) {
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type = (plugintype_t) plugin_entry(NULL, PLUGTYPE_NULL, PLUGIN_PROBE);
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plugin_add_entry(pgn_name, type);
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}
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FreeLibrary(handle);
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}
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}
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} while (FindNextFile(hFind, &finddata));
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FindClose(hFind);
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}
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#endif
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ptr = strtok(NULL, ":");
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}
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delete [] pgn_path;
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}
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Bit8u bx_get_plugins_count(plugintype_t type)
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{
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plugin_t *temp;
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Bit8u count = 0;
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if (plugins != NULL) {
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temp = plugins;
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while (temp != NULL) {
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if ((type & temp->type) != 0)
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count++;
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temp = temp->next;
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}
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}
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return count;
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}
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const char* bx_get_plugin_name(plugintype_t type, Bit8u index)
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{
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plugin_t *temp;
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int count = 0;
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if (plugins != NULL) {
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temp = plugins;
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while (temp != NULL) {
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if ((type & temp->type) != 0) {
|
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if (count == index)
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return temp->name;
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count++;
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}
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temp = temp->next;
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}
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}
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return NULL;
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}
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|
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/************************************************************************/
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|
/* Plugin initialization / deinitialization */
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/************************************************************************/
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bool plugin_init_one(plugin_t *plugin)
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{
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/* initialize the plugin */
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if (plugin->plugin_entry(plugin, plugin->loadtype, 1))
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{
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pluginlog->info("Plugin initialization failed for %s", plugin->name);
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plugin_abort(plugin);
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return 0;
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}
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plugin->initialized = 1;
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return 1;
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}
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|
bool plugin_unload(plugin_t *plugin)
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{
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|
if (plugin->loadtype != PLUGTYPE_NULL) {
|
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if (plugin->initialized)
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plugin->plugin_entry(plugin, plugin->type, 0);
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#if defined(WIN32)
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FreeLibrary(plugin->handle);
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#else
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lt_dlclose(plugin->handle);
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#endif
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plugin->loadtype = PLUGTYPE_NULL;
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return 1;
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} else {
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return 0;
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}
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}
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bool plugin_load(const char *name, plugintype_t type)
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{
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plugin_t *plugin = NULL, *temp;
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#if defined(WIN32)
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char dll_path_list[MAX_PATH];
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|
#endif
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|
|
if (plugins != NULL) {
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temp = plugins;
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|
|
|
while (temp != NULL) {
|
|
if (!strcmp(name, temp->name) && ((type & temp->type) != 0)) {
|
|
if (temp->loadtype != PLUGTYPE_NULL) {
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BX_PANIC(("plugin '%s' already loaded", name));
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return 0;
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} else {
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plugin = temp;
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break;
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}
|
|
}
|
|
temp = temp->next;
|
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}
|
|
}
|
|
if (plugin == NULL) {
|
|
BX_PANIC(("plugin '%s' not found", name));
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return 0;
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}
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|
|
|
char plugin_filename[BX_PATHNAME_LEN], tmpname[BX_PATHNAME_LEN];
|
|
if (type == PLUGTYPE_GUI) {
|
|
sprintf(tmpname, GUI_PLUGIN_FILENAME_FORMAT, name);
|
|
} else if (type == PLUGTYPE_IMG) {
|
|
sprintf(tmpname, IMG_PLUGIN_FILENAME_FORMAT, name);
|
|
} else if (type == PLUGTYPE_NET) {
|
|
sprintf(tmpname, NET_PLUGIN_FILENAME_FORMAT, name);
|
|
} else if (type == PLUGTYPE_SND) {
|
|
sprintf(tmpname, SND_PLUGIN_FILENAME_FORMAT, name);
|
|
} else {
|
|
sprintf(tmpname, PLUGIN_FILENAME_FORMAT, name);
|
|
}
|
|
sprintf(plugin_filename, "%s%s", PLUGIN_PATH, tmpname);
|
|
|
|
// Set context so that any devices that the plugin registers will
|
|
// be able to see which plugin created them. The registration will
|
|
// be called from either dlopen (global constructors) or plugin_entry.
|
|
BX_ASSERT(current_plugin_context == NULL);
|
|
current_plugin_context = plugin;
|
|
#if defined(WIN32)
|
|
char *ptr;
|
|
plugin->handle = LoadLibrary(plugin_filename);
|
|
if (!plugin->handle) {
|
|
if (GetEnvironmentVariable("LTDL_LIBRARY_PATH", dll_path_list, MAX_PATH)) {
|
|
ptr = strtok(dll_path_list, ";");
|
|
while ((ptr) && !plugin->handle) {
|
|
sprintf(plugin_filename, "%s\\%s", ptr, tmpname);
|
|
plugin->handle = LoadLibrary(plugin_filename);
|
|
ptr = strtok(NULL, ";");
|
|
}
|
|
}
|
|
}
|
|
BX_INFO(("DLL handle is %p", plugin->handle));
|
|
if (!plugin->handle) {
|
|
current_plugin_context = NULL;
|
|
BX_PANIC(("LoadLibrary failed for module '%s' (%s): error=%d", name,
|
|
plugin_filename, GetLastError()));
|
|
return 0;
|
|
}
|
|
#else
|
|
plugin->handle = lt_dlopen(plugin_filename);
|
|
BX_INFO(("lt_dlhandle is %p", plugin->handle));
|
|
if (!plugin->handle) {
|
|
current_plugin_context = NULL;
|
|
BX_PANIC(("dlopen failed for module '%s' (%s): %s", name, plugin_filename,
|
|
lt_dlerror()));
|
|
return 0;
|
|
}
|
|
#endif
|
|
plugin->loadtype = type;
|
|
|
|
if (type == PLUGTYPE_GUI) {
|
|
sprintf(tmpname, GUI_PLUGIN_ENTRY_FMT_STRING, name);
|
|
} else if (type == PLUGTYPE_IMG) {
|
|
sprintf(tmpname, IMG_PLUGIN_ENTRY_FMT_STRING, name);
|
|
} else if (type == PLUGTYPE_NET) {
|
|
sprintf(tmpname, NET_PLUGIN_ENTRY_FMT_STRING, name);
|
|
} else if (type == PLUGTYPE_SND) {
|
|
sprintf(tmpname, SND_PLUGIN_ENTRY_FMT_STRING, name);
|
|
} else {
|
|
sprintf(tmpname, PLUGIN_ENTRY_FMT_STRING, name);
|
|
}
|
|
#if defined(WIN32)
|
|
plugin->plugin_entry = (plugin_entry_t) GetProcAddress(plugin->handle, tmpname);
|
|
if (plugin->plugin_entry == NULL) {
|
|
pluginlog->panic("could not find plugin_entry for module '%s' (%s): error=%d",
|
|
name, plugin_filename, GetLastError());
|
|
plugin_abort(plugin);
|
|
return 0;
|
|
}
|
|
#else
|
|
plugin->plugin_entry = (plugin_entry_t) lt_dlsym(plugin->handle, tmpname);
|
|
if (plugin->plugin_entry == NULL) {
|
|
pluginlog->panic("could not find plugin_entry for module '%s' (%s): %s",
|
|
name, plugin_filename, lt_dlerror());
|
|
plugin_abort(plugin);
|
|
return 0;
|
|
}
|
|
#endif
|
|
pluginlog->info("loaded plugin %s",plugin_filename);
|
|
|
|
if (!plugin_init_one(plugin)) {
|
|
return 0;
|
|
}
|
|
|
|
// check that context didn't change. This should only happen if we
|
|
// need a reentrant plugin_load.
|
|
BX_ASSERT(current_plugin_context == plugin);
|
|
current_plugin_context = NULL;
|
|
return 1;
|
|
}
|
|
|
|
void plugin_abort(plugin_t *plugin)
|
|
{
|
|
plugin_unload(plugin);
|
|
pluginlog->panic("loading plugin '%s' aborted", plugin->name);
|
|
}
|
|
|
|
#endif /* end of #if BX_PLUGINS */
|
|
|
|
/************************************************************************/
|
|
/* Plugin system: initialisation of plugins entry points */
|
|
/************************************************************************/
|
|
|
|
void plugin_startup(void)
|
|
{
|
|
pluginRegisterIRQ = builtinRegisterIRQ;
|
|
pluginUnregisterIRQ = builtinUnregisterIRQ;
|
|
|
|
pluginSetHRQHackCallback = builtinSetHRQHackCallback;
|
|
pluginSetHRQ = builtinSetHRQ;
|
|
|
|
pluginRegisterIOReadHandler = builtinRegisterIOReadHandler;
|
|
pluginRegisterIOWriteHandler = builtinRegisterIOWriteHandler;
|
|
|
|
pluginUnregisterIOReadHandler = builtinUnregisterIOReadHandler;
|
|
pluginUnregisterIOWriteHandler = builtinUnregisterIOWriteHandler;
|
|
|
|
pluginRegisterIOReadHandlerRange = builtinRegisterIOReadHandlerRange;
|
|
pluginRegisterIOWriteHandlerRange = builtinRegisterIOWriteHandlerRange;
|
|
|
|
pluginUnregisterIOReadHandlerRange = builtinUnregisterIOReadHandlerRange;
|
|
pluginUnregisterIOWriteHandlerRange = builtinUnregisterIOWriteHandlerRange;
|
|
|
|
pluginRegisterDefaultIOReadHandler = builtinRegisterDefaultIOReadHandler;
|
|
pluginRegisterDefaultIOWriteHandler = builtinRegisterDefaultIOWriteHandler;
|
|
|
|
pluginlog = new logfunctions();
|
|
pluginlog->put("PLUGIN");
|
|
#if BX_PLUGINS
|
|
#if !defined(WIN32)
|
|
int status = lt_dlinit();
|
|
if (status != 0) {
|
|
BX_ERROR(("initialization error in ltdl library (for loading plugins)"));
|
|
BX_PANIC(("error message was: %s", lt_dlerror()));
|
|
}
|
|
#endif
|
|
plugins_search();
|
|
#endif
|
|
}
|
|
|
|
void plugin_cleanup(void)
|
|
{
|
|
#if BX_PLUGINS
|
|
plugin_t *dead_plug;
|
|
|
|
while (plugins != NULL) {
|
|
if (plugins->loadtype != PLUGTYPE_NULL) {
|
|
plugin_unload(plugins);
|
|
}
|
|
delete [] plugins->name;
|
|
|
|
dead_plug = plugins;
|
|
plugins = plugins->next;
|
|
delete dead_plug;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/************************************************************************/
|
|
/* Plugin system: Device registration */
|
|
/************************************************************************/
|
|
|
|
void pluginRegisterDeviceDevmodel(plugin_t *plugin, plugintype_t type, bx_devmodel_c *devmodel, const char *name)
|
|
{
|
|
device_t **devlist;
|
|
|
|
device_t *device = new device_t;
|
|
|
|
device->name = name;
|
|
BX_ASSERT(devmodel != NULL);
|
|
device->devmodel = devmodel;
|
|
device->plugin = plugin; // this can be NULL
|
|
device->next = NULL;
|
|
device->plugtype = type;
|
|
|
|
switch (type) {
|
|
case PLUGTYPE_CORE:
|
|
case PLUGTYPE_VGA:
|
|
devlist = &core_devices;
|
|
break;
|
|
case PLUGTYPE_STANDARD:
|
|
case PLUGTYPE_OPTIONAL:
|
|
default:
|
|
devlist = &devices;
|
|
break;
|
|
}
|
|
|
|
if (!*devlist) {
|
|
/* Empty list, this become the first entry. */
|
|
*devlist = device;
|
|
} else {
|
|
/* Non-empty list. Add to end. */
|
|
device_t *temp = *devlist;
|
|
|
|
while (temp->next)
|
|
temp = temp->next;
|
|
|
|
temp->next = device;
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Plugin system: Remove registered plugin device */
|
|
/************************************************************************/
|
|
|
|
void pluginUnregisterDeviceDevmodel(const char *name, plugintype_t type)
|
|
{
|
|
device_t **devlist;
|
|
device_t *device, *prev = NULL;
|
|
|
|
switch (type) {
|
|
case PLUGTYPE_CORE:
|
|
case PLUGTYPE_VGA:
|
|
devlist = &core_devices;
|
|
break;
|
|
case PLUGTYPE_STANDARD:
|
|
case PLUGTYPE_OPTIONAL:
|
|
default:
|
|
devlist = &devices;
|
|
break;
|
|
}
|
|
|
|
for (device = *devlist; device; device = device->next) {
|
|
if (!strcmp(name, device->name)) {
|
|
if (prev == NULL) {
|
|
*devlist = device->next;
|
|
} else {
|
|
prev->next = device->next;
|
|
}
|
|
delete device;
|
|
break;
|
|
} else {
|
|
prev = device;
|
|
}
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Plugin system: Check if a plugin is loaded */
|
|
/************************************************************************/
|
|
|
|
bool pluginDevicePresent(const char *name)
|
|
{
|
|
device_t *device;
|
|
|
|
for (device = devices; device; device = device->next)
|
|
{
|
|
if (!strcmp(name, device->name)) return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if BX_PLUGINS
|
|
/************************************************************************/
|
|
/* Plugin system: Load one plugin */
|
|
/************************************************************************/
|
|
|
|
bool bx_load_plugin(const char *name, plugintype_t type)
|
|
{
|
|
plugin_t *plugin;
|
|
|
|
if (!strcmp(name, "*")) {
|
|
for (plugin = plugins; plugin; plugin = plugin->next) {
|
|
if (((type & plugin->type) != 0) && (plugin->loadtype == PLUGTYPE_NULL)) {
|
|
plugin_load(plugin->name, type);
|
|
}
|
|
}
|
|
return 1;
|
|
} else {
|
|
return plugin_load(name, type);
|
|
}
|
|
}
|
|
|
|
bool bx_unload_plugin(const char *name, bool devflag)
|
|
{
|
|
plugin_t *plugin;
|
|
bool ret = 0;
|
|
|
|
for (plugin = plugins; plugin; plugin = plugin->next) {
|
|
if (!strcmp(plugin->name, name)) {
|
|
if (devflag) {
|
|
pluginUnregisterDeviceDevmodel(plugin->name, plugin->type);
|
|
}
|
|
ret = plugin_unload(plugin);
|
|
break;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void bx_unload_plugin_type(const char *name, plugintype_t type)
|
|
{
|
|
plugin_t *plugin;
|
|
|
|
for (plugin = plugins; plugin; plugin = plugin->next) {
|
|
if (!strcmp(plugin->name, name) && ((plugin->type & type) != 0)) {
|
|
plugin_unload(plugin);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* end of #if BX_PLUGINS */
|
|
|
|
/*************************************************************************/
|
|
/* Plugin system: Execute init function of all registered plugin-devices */
|
|
/*************************************************************************/
|
|
|
|
void bx_init_plugins()
|
|
{
|
|
device_t *device;
|
|
|
|
for (device = core_devices; device; device = device->next) {
|
|
pluginlog->info("init_dev of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->init();
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_STANDARD) {
|
|
pluginlog->info("init_dev of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->init();
|
|
}
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_OPTIONAL) {
|
|
pluginlog->info("init_dev of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->init();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**************************************************************************/
|
|
/* Plugin system: Execute reset function of all registered plugin-devices */
|
|
/**************************************************************************/
|
|
|
|
void bx_reset_plugins(unsigned signal)
|
|
{
|
|
device_t *device;
|
|
|
|
for (device = core_devices; device; device = device->next) {
|
|
pluginlog->info("reset of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->reset(signal);
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_STANDARD) {
|
|
pluginlog->info("reset of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->reset(signal);
|
|
}
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_OPTIONAL) {
|
|
pluginlog->info("reset of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->reset(signal);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************/
|
|
/* Plugin system: Unload all registered plugin-devices */
|
|
/*******************************************************/
|
|
|
|
void bx_unload_plugins()
|
|
{
|
|
device_t *device, *next;
|
|
|
|
device = devices;
|
|
while (device != NULL) {
|
|
if (device->plugin != NULL) {
|
|
#if BX_PLUGINS
|
|
bx_unload_plugin(device->name, 0);
|
|
#endif
|
|
} else {
|
|
#if !BX_PLUGINS
|
|
if (!bx_unload_opt_plugin(device->name, 0)) {
|
|
delete device->devmodel;
|
|
}
|
|
#endif
|
|
}
|
|
next = device->next;
|
|
delete device;
|
|
device = next;
|
|
}
|
|
devices = NULL;
|
|
}
|
|
|
|
void bx_unload_core_plugins()
|
|
{
|
|
device_t *device, *next;
|
|
|
|
device = core_devices;
|
|
while (device != NULL) {
|
|
if (device->plugin != NULL) {
|
|
#if BX_PLUGINS
|
|
bx_unload_plugin(device->name, 0);
|
|
#endif
|
|
} else {
|
|
delete device->devmodel;
|
|
}
|
|
next = device->next;
|
|
delete device;
|
|
device = next;
|
|
}
|
|
core_devices = NULL;
|
|
}
|
|
|
|
/**************************************************************************/
|
|
/* Plugin system: Register device state of all registered plugin-devices */
|
|
/**************************************************************************/
|
|
|
|
void bx_plugins_register_state()
|
|
{
|
|
device_t *device;
|
|
|
|
for (device = core_devices; device; device = device->next) {
|
|
pluginlog->info("register state of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->register_state();
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
pluginlog->info("register state of '%s' plugin device by virtual method",device->name);
|
|
device->devmodel->register_state();
|
|
}
|
|
}
|
|
|
|
/***************************************************************************/
|
|
/* Plugin system: Execute code after restoring state of all plugin devices */
|
|
/***************************************************************************/
|
|
|
|
void bx_plugins_after_restore_state()
|
|
{
|
|
device_t *device;
|
|
|
|
for (device = core_devices; device; device = device->next) {
|
|
device->devmodel->after_restore_state();
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_STANDARD) {
|
|
device->devmodel->after_restore_state();
|
|
}
|
|
}
|
|
for (device = devices; device; device = device->next) {
|
|
if (device->plugtype == PLUGTYPE_OPTIONAL) {
|
|
device->devmodel->after_restore_state();
|
|
}
|
|
}
|
|
}
|
|
|
|
#if !BX_PLUGINS
|
|
|
|
// Special code for handling modules when plugin support is turned off.
|
|
|
|
#define BUILTIN_OPT_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_OPTIONAL, lib##mod##_plugin_entry, 0}
|
|
#define BUILTIN_VGA_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_VGA, lib##mod##_plugin_entry, 0}
|
|
#define BUILTIN_GUI_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_GUI, lib##mod##_gui_plugin_entry, 0}
|
|
#define BUILTIN_IMG_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_IMG, lib##mod##_img_plugin_entry, 0}
|
|
#define BUILTIN_NET_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_NET, libeth_##mod##_plugin_entry, 0}
|
|
#define BUILTIN_SND_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_SND, libsound##mod##_plugin_entry, 0}
|
|
#define BUILTIN_USB_PLUGIN_ENTRY(mod) {#mod, PLUGTYPE_USB, lib##mod##_plugin_entry, 0}
|
|
|
|
plugin_t bx_builtin_plugins[] = {
|
|
#if BX_WITH_AMIGAOS
|
|
BUILTIN_GUI_PLUGIN_ENTRY(amigaos),
|
|
#endif
|
|
#if BX_WITH_CARBON
|
|
BUILTIN_GUI_PLUGIN_ENTRY(carbon),
|
|
#endif
|
|
#if BX_WITH_MACOS
|
|
BUILTIN_GUI_PLUGIN_ENTRY(macos),
|
|
#endif
|
|
#if BX_WITH_NOGUI
|
|
BUILTIN_GUI_PLUGIN_ENTRY(nogui),
|
|
#endif
|
|
#if BX_WITH_RFB
|
|
BUILTIN_GUI_PLUGIN_ENTRY(rfb),
|
|
#endif
|
|
#if BX_WITH_SDL
|
|
BUILTIN_GUI_PLUGIN_ENTRY(sdl),
|
|
#endif
|
|
#if BX_WITH_SDL2
|
|
BUILTIN_GUI_PLUGIN_ENTRY(sdl2),
|
|
#endif
|
|
#if BX_WITH_TERM
|
|
BUILTIN_GUI_PLUGIN_ENTRY(term),
|
|
#endif
|
|
#if BX_WITH_VNCSRV
|
|
BUILTIN_GUI_PLUGIN_ENTRY(vncsrv),
|
|
#endif
|
|
#if BX_WITH_WIN32
|
|
BUILTIN_GUI_PLUGIN_ENTRY(win32),
|
|
#endif
|
|
#if BX_WITH_WX
|
|
BUILTIN_GUI_PLUGIN_ENTRY(wx),
|
|
#endif
|
|
#if BX_WITH_X11
|
|
BUILTIN_GUI_PLUGIN_ENTRY(x),
|
|
#endif
|
|
BUILTIN_OPT_PLUGIN_ENTRY(unmapped),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(biosdev),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(speaker),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(extfpuirq),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(parallel),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(serial),
|
|
#if BX_SUPPORT_BUSMOUSE
|
|
BUILTIN_OPT_PLUGIN_ENTRY(busmouse),
|
|
#endif
|
|
#if BX_SUPPORT_E1000
|
|
BUILTIN_OPT_PLUGIN_ENTRY(e1000),
|
|
#endif
|
|
#if BX_SUPPORT_ES1370
|
|
BUILTIN_OPT_PLUGIN_ENTRY(es1370),
|
|
#endif
|
|
#if BX_SUPPORT_GAMEPORT
|
|
BUILTIN_OPT_PLUGIN_ENTRY(gameport),
|
|
#endif
|
|
#if BX_SUPPORT_IODEBUG
|
|
BUILTIN_OPT_PLUGIN_ENTRY(iodebug),
|
|
#endif
|
|
#if BX_SUPPORT_NE2K
|
|
BUILTIN_OPT_PLUGIN_ENTRY(ne2k),
|
|
#endif
|
|
#if BX_SUPPORT_PCIDEV
|
|
BUILTIN_OPT_PLUGIN_ENTRY(pcidev),
|
|
#endif
|
|
#if BX_SUPPORT_PCIPNIC
|
|
BUILTIN_OPT_PLUGIN_ENTRY(pcipnic),
|
|
#endif
|
|
#if BX_SUPPORT_SB16
|
|
BUILTIN_OPT_PLUGIN_ENTRY(sb16),
|
|
#endif
|
|
#if BX_SUPPORT_USB_UHCI
|
|
BUILTIN_OPT_PLUGIN_ENTRY(usb_uhci),
|
|
#endif
|
|
#if BX_SUPPORT_USB_OHCI
|
|
BUILTIN_OPT_PLUGIN_ENTRY(usb_ohci),
|
|
#endif
|
|
#if BX_SUPPORT_USB_EHCI
|
|
BUILTIN_OPT_PLUGIN_ENTRY(usb_ehci),
|
|
#endif
|
|
#if BX_SUPPORT_USB_XHCI
|
|
BUILTIN_OPT_PLUGIN_ENTRY(usb_xhci),
|
|
#endif
|
|
#if BX_SUPPORT_VOODOO
|
|
BUILTIN_VGA_PLUGIN_ENTRY(voodoo),
|
|
BUILTIN_OPT_PLUGIN_ENTRY(voodoo),
|
|
#endif
|
|
#if BX_SUPPORT_SOUNDLOW
|
|
BUILTIN_SND_PLUGIN_ENTRY(dummy),
|
|
BUILTIN_SND_PLUGIN_ENTRY(file),
|
|
#if BX_HAVE_SOUND_ALSA
|
|
BUILTIN_SND_PLUGIN_ENTRY(alsa),
|
|
#endif
|
|
#if BX_HAVE_SOUND_OSS
|
|
BUILTIN_SND_PLUGIN_ENTRY(oss),
|
|
#endif
|
|
#if BX_HAVE_SOUND_OSX
|
|
BUILTIN_SND_PLUGIN_ENTRY(osx),
|
|
#endif
|
|
#if BX_HAVE_SOUND_SDL
|
|
BUILTIN_SND_PLUGIN_ENTRY(sdl),
|
|
#endif
|
|
#if BX_HAVE_SOUND_WIN
|
|
BUILTIN_SND_PLUGIN_ENTRY(win),
|
|
#endif
|
|
#endif
|
|
#if BX_NETWORKING
|
|
BUILTIN_NET_PLUGIN_ENTRY(null),
|
|
BUILTIN_NET_PLUGIN_ENTRY(vnet),
|
|
#if BX_NETMOD_FBSD
|
|
BUILTIN_NET_PLUGIN_ENTRY(fbsd),
|
|
#endif
|
|
#if BX_NETMOD_LINUX
|
|
BUILTIN_NET_PLUGIN_ENTRY(linux),
|
|
#endif
|
|
#if BX_NETMOD_SLIRP
|
|
BUILTIN_NET_PLUGIN_ENTRY(slirp),
|
|
#endif
|
|
#if BX_NETMOD_SOCKET
|
|
BUILTIN_NET_PLUGIN_ENTRY(socket),
|
|
#endif
|
|
#if BX_NETMOD_TAP
|
|
BUILTIN_NET_PLUGIN_ENTRY(tap),
|
|
#endif
|
|
#if BX_NETMOD_TUNTAP
|
|
BUILTIN_NET_PLUGIN_ENTRY(tuntap),
|
|
#endif
|
|
#if BX_NETMOD_VDE
|
|
BUILTIN_NET_PLUGIN_ENTRY(vde),
|
|
#endif
|
|
#if BX_NETMOD_WIN32
|
|
BUILTIN_NET_PLUGIN_ENTRY(win32),
|
|
#endif
|
|
#endif
|
|
#if BX_SUPPORT_PCIUSB
|
|
BUILTIN_USB_PLUGIN_ENTRY(usb_floppy),
|
|
BUILTIN_USB_PLUGIN_ENTRY(usb_hid),
|
|
BUILTIN_USB_PLUGIN_ENTRY(usb_hub),
|
|
BUILTIN_USB_PLUGIN_ENTRY(usb_msd),
|
|
BUILTIN_USB_PLUGIN_ENTRY(usb_printer),
|
|
#endif
|
|
BUILTIN_IMG_PLUGIN_ENTRY(vmware3),
|
|
BUILTIN_IMG_PLUGIN_ENTRY(vmware4),
|
|
BUILTIN_IMG_PLUGIN_ENTRY(vbox),
|
|
BUILTIN_IMG_PLUGIN_ENTRY(vpc),
|
|
BUILTIN_IMG_PLUGIN_ENTRY(vvfat),
|
|
{"NULL", PLUGTYPE_GUI, NULL, 0}
|
|
};
|
|
|
|
Bit8u bx_get_plugins_count_np(plugintype_t type)
|
|
{
|
|
int i = 0;
|
|
Bit8u count = 0;
|
|
|
|
while (strcmp(bx_builtin_plugins[i].name, "NULL")) {
|
|
if (type == bx_builtin_plugins[i].type)
|
|
count++;
|
|
i++;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
const char* bx_get_plugin_name_np(plugintype_t type, Bit8u index)
|
|
{
|
|
int i = 0;
|
|
Bit8u count = 0;
|
|
|
|
while (strcmp(bx_builtin_plugins[i].name, "NULL")) {
|
|
if (type == bx_builtin_plugins[i].type) {
|
|
if (count == index)
|
|
return bx_builtin_plugins[i].name;
|
|
count++;
|
|
}
|
|
i++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int bx_load_plugin_np(const char *name, plugintype_t type)
|
|
{
|
|
int i = 0;
|
|
while (strcmp(bx_builtin_plugins[i].name, "NULL")) {
|
|
if ((!strcmp(name, bx_builtin_plugins[i].name)) &&
|
|
(type == bx_builtin_plugins[i].type)) {
|
|
if (bx_builtin_plugins[i].initialized == 0) {
|
|
bx_builtin_plugins[i].plugin_entry(NULL, type, 1);
|
|
bx_builtin_plugins[i].initialized = 1;
|
|
}
|
|
return 1;
|
|
}
|
|
i++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int bx_unload_opt_plugin(const char *name, bool devflag)
|
|
{
|
|
int i = 0;
|
|
while (strcmp(bx_builtin_plugins[i].name, "NULL")) {
|
|
if ((!strcmp(name, bx_builtin_plugins[i].name)) &&
|
|
((bx_builtin_plugins[i].type == PLUGTYPE_OPTIONAL) ||
|
|
(bx_builtin_plugins[i].type == PLUGTYPE_VGA))) {
|
|
if (bx_builtin_plugins[i].initialized == 1) {
|
|
if (devflag) {
|
|
pluginUnregisterDeviceDevmodel(bx_builtin_plugins[i].name,
|
|
bx_builtin_plugins[i].type);
|
|
}
|
|
bx_builtin_plugins[i].plugin_entry(NULL, bx_builtin_plugins[i].type, 0);
|
|
bx_builtin_plugins[i].initialized = 0;
|
|
}
|
|
return 1;
|
|
}
|
|
i++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|