mirror of https://github.com/PCSX2/pcsx2.git
175 lines
3.5 KiB
C++
175 lines
3.5 KiB
C++
/* FWnull
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* Copyright (C) 2004-2010 PCSX2 Dev Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdlib.h>
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#include <string>
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using namespace std;
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#include "FW.h"
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const u8 version = PS2E_FW_VERSION;
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const u8 revision = 0;
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const u8 build = 6; // increase that with each version
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static char *libraryName = "FWnull Driver";
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string s_strIniPath="inis/";
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s8 *fwregs;
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Config conf;
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PluginLog FWLog;
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void (*FWirq)();
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EXPORT_C_(u32) PS2EgetLibType()
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{
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return PS2E_LT_FW;
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}
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EXPORT_C_(char*) PS2EgetLibName()
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{
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return libraryName;
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}
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EXPORT_C_(u32) PS2EgetLibVersion2(u32 type)
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{
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return (version<<16) | (revision<<8) | build;
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}
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EXPORT_C_(s32) FWinit()
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{
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LoadConfig();
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setLoggingState();
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FWLog.Open("logs/FWnull.log");
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FWLog.WriteLn("FWnull plugin version %d,%d", revision, build);
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FWLog.WriteLn("Initializing FWnull");
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// Initializing our registers.
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fwregs = (s8*)malloc(0x10000);
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if (fwregs == NULL)
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{
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FWLog.Message("Error allocating Memory");
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return -1;
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}
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memset(fwregs, 0, 0x10000);
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return 0;
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}
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EXPORT_C_(void) FWshutdown()
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{
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// Freeing the registers.
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free(fwregs);
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FWLog.Close();
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}
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EXPORT_C_(s32) FWopen(void *pDsp)
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{
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FWLog.WriteLn("Opening FWnull.");
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return 0;
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}
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EXPORT_C_(void) FWclose()
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{
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// Close the plugin.
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FWLog.WriteLn("Closing FWnull.");
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}
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EXPORT_C_(u32) FWread32(u32 addr)
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{
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u32 ret = 0;
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switch (addr)
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{
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// We should document what this location is.
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case 0x1f808410:
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ret = 0x8;
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break;
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// Include other relevant 32 bit addresses we need to catch here.
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default:
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// By default, read fwregs.
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ret = fwRu32(addr);
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break;
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}
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FWLog.WriteLn("FW read mem 0x%x: 0x%x", addr, ret);
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return ret;
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}
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EXPORT_C_(void) FWwrite32(u32 addr, u32 value)
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{
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switch (addr)
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{
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// Include other memory locations we want to catch here.
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// For example:
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//
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// case 0x1f808400:
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// case 0x1f808414:
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// case 0x1f808420:
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// case 0x1f808428:
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// case 0x1f808430:
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//
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// Are addresses to look at.
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case 0x1f808410: fwRu32(addr) = value; break;
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default:
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// By default, just write it to fwregs.
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fwRu32(addr) = value;
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break;
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}
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FWLog.WriteLn("FW write mem 0x%x: 0x%x", addr, value);
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}
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EXPORT_C_(void) FWirqCallback(void (*callback)())
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{
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// Register FWirq, so we can trigger an interrupt with it later.
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FWirq = callback;
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}
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EXPORT_C_(void) FWsetSettingsDir(const char* dir)
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{
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// Find out from pcsx2 where we are supposed to put our ini file.
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s_strIniPath = (dir == NULL) ? "inis/" : dir;
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}
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EXPORT_C_(s32) FWfreeze(int mode, freezeData *data)
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{
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// This should store or retrieve any information, for if emulation
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// gets suspended, or for savestates.
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switch(mode)
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{
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case FREEZE_LOAD:
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// Load previously saved data.
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break;
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case FREEZE_SAVE:
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// Save data.
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break;
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case FREEZE_SIZE:
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// return the size of the data.
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break;
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}
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return 0;
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}
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EXPORT_C_(s32) FWtest()
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{
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// 0 if the plugin works, non-0 if it doesn't.
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return 0;
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}
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