mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-23 06:10:03 -06:00
WIP. lay base for EmuInstance.
This commit is contained in:
Arisotura
362
src/frontend/qt_sdl/EmuInstance.cpp
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362
src/frontend/qt_sdl/EmuInstance.cpp
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/*
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Copyright 2016-2023 melonDS team
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <codecvt>
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#include <locale>
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#include <memory>
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#include <tuple>
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#include <string>
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#include <utility>
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#include <fstream>
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#include <QDateTime>
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#include <QMessageBox>
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#include <zstd.h>
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#ifdef ARCHIVE_SUPPORT_ENABLED
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#include "ArchiveUtil.h"
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#endif
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#include "EmuInstance.h"
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#include "Config.h"
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#include "Platform.h"
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#include "NDS.h"
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#include "DSi.h"
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#include "SPI.h"
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#include "RTC.h"
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#include "DSi_I2C.h"
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#include "FreeBIOS.h"
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#include "main.h"
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using std::make_unique;
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using std::pair;
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using std::string;
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using std::tie;
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using std::unique_ptr;
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using std::wstring_convert;
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using namespace melonDS;
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using namespace melonDS::Platform;
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MainWindow* topWindow = nullptr;
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EmuInstance::EmuInstance(int inst)
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{
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instanceID = inst;
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globalCfg = Config::GetGlobalTable();
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localCfg = Config::GetLocalTable(inst);
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emuThread = new EmuThread();
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numWindows = 0;
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mainWindow = nullptr;
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for (int i = 0; i < kMaxWindows; i++)
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windowList[i] = nullptr;
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if (inst == 0) topWindow = nullptr;
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createWindow();
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emuThread->start();
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emuThread->emuPause();
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}
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EmuInstance::~EmuInstance()
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{
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// TODO window cleanup and shit?
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emuThread->emuStop();
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emuThread->wait();
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delete emuThread;
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}
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void EmuInstance::createWindow()
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{
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if (numWindows >= kMaxWindows)
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{
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// TODO
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return;
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}
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int id = -1;
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for (int i = 0; i < kMaxWindows; i++)
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{
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if (windowList[i]) continue;
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id = i;
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break;
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}
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if (id == -1)
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return;
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MainWindow* win = new MainWindow(topWindow);
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if (!topWindow) topWindow = win;
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if (!mainWindow) mainWindow = win;
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windowList[id] = win;
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numWindows++;
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emuThread->attachWindow(win);
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}
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int EmuInstance::lastSep(const std::string& path)
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{
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int i = path.length() - 1;
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while (i >= 0)
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{
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if (path[i] == '/' || path[i] == '\\')
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return i;
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i--;
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}
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return -1;
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}
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string EmuInstance::getAssetPath(bool gba, const string& configpath, const string& ext, const string& file = "")
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{
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string result;
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if (configpath.empty())
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result = gba ? baseGBAROMDir : baseROMDir;
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else
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result = configpath;
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// cut off trailing slashes
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for (;;)
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{
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int i = result.length() - 1;
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if (i < 0) break;
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if (result[i] == '/' || result[i] == '\\')
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result.resize(i);
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else
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break;
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}
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if (!result.empty())
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result += '/';
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if (file.empty())
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{
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std::string& baseName = gba ? baseGBAAssetName : baseAssetName;
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if (baseName.empty())
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result += "firmware";
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else
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result += baseName;
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}
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else
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{
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result += file;
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}
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result += ext;
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return result;
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}
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QString EmuInstance::verifyDSBIOS()
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{
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FileHandle* f;
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long len;
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f = Platform::OpenLocalFile(globalCfg.GetString("DS.BIOS9Path"), FileMode::Read);
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if (!f) return "DS ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
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len = FileLength(f);
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if (len != 0x1000)
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{
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CloseFile(f);
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return "DS ARM9 BIOS is not a valid BIOS dump.";
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}
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CloseFile(f);
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f = Platform::OpenLocalFile(globalCfg.GetString("DS.BIOS7Path"), FileMode::Read);
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if (!f) return "DS ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
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len = FileLength(f);
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if (len != 0x4000)
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{
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CloseFile(f);
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return "DS ARM7 BIOS is not a valid BIOS dump.";
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}
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CloseFile(f);
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return "";
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}
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QString EmuInstance::verifyDSiBIOS()
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{
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FileHandle* f;
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long len;
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// TODO: check the first 32 bytes
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f = Platform::OpenLocalFile(globalCfg.GetString("DSi.BIOS9Path"), FileMode::Read);
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if (!f) return "DSi ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
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len = FileLength(f);
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if (len != 0x10000)
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{
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CloseFile(f);
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return "DSi ARM9 BIOS is not a valid BIOS dump.";
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}
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CloseFile(f);
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f = Platform::OpenLocalFile(globalCfg.GetString("DSi.BIOS7Path"), FileMode::Read);
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if (!f) return "DSi ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
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len = FileLength(f);
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if (len != 0x10000)
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{
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CloseFile(f);
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return "DSi ARM7 BIOS is not a valid BIOS dump.";
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}
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CloseFile(f);
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return "";
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}
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QString EmuInstance::verifyDSFirmware()
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{
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FileHandle* f;
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long len;
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std::string fwpath = globalCfg.GetString("DS.FirmwarePath");
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f = Platform::OpenLocalFile(fwpath, FileMode::Read);
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if (!f) return "DS firmware was not found or could not be accessed. Check your emu settings.";
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if (!Platform::CheckFileWritable(fwpath))
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return "DS firmware is unable to be written to.\nPlease check file/folder write permissions.";
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len = FileLength(f);
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if (len == 0x20000)
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{
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// 128KB firmware, not bootable
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CloseFile(f);
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// TODO report it somehow? detect in core?
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return "";
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}
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else if (len != 0x40000 && len != 0x80000)
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{
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CloseFile(f);
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return "DS firmware is not a valid firmware dump.";
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}
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CloseFile(f);
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return "";
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}
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QString EmuInstance::verifyDSiFirmware()
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{
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FileHandle* f;
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long len;
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std::string fwpath = globalCfg.GetString("DSi.FirmwarePath");
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f = Platform::OpenLocalFile(fwpath, FileMode::Read);
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if (!f) return "DSi firmware was not found or could not be accessed. Check your emu settings.";
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if (!Platform::CheckFileWritable(fwpath))
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return "DSi firmware is unable to be written to.\nPlease check file/folder write permissions.";
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len = FileLength(f);
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if (len != 0x20000)
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{
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// not 128KB
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// TODO: check whether those work
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CloseFile(f);
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return "DSi firmware is not a valid firmware dump.";
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}
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CloseFile(f);
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return "";
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}
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QString EmuInstance::verifyDSiNAND()
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{
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FileHandle* f;
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long len;
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std::string nandpath = globalCfg.GetString("DSi.NANDPath");
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f = Platform::OpenLocalFile(nandpath, FileMode::ReadWriteExisting);
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if (!f) return "DSi NAND was not found or could not be accessed. Check your emu settings.";
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if (!Platform::CheckFileWritable(nandpath))
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return "DSi NAND is unable to be written to.\nPlease check file/folder write permissions.";
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// TODO: some basic checks
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// check that it has the nocash footer, and all
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CloseFile(f);
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return "";
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}
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QString EmuInstance::verifySetup()
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{
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QString res;
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bool extbios = globalCfg.GetBool("Emu.ExternalBIOSEnable");
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int console = globalCfg.GetInt("Emu.ConsoleType");
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if (extbios)
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{
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res = verifyDSBIOS();
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if (!res.isEmpty()) return res;
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}
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if (console == 1)
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{
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res = verifyDSiBIOS();
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if (!res.isEmpty()) return res;
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if (extbios)
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{
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res = verifyDSiFirmware();
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if (!res.isEmpty()) return res;
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}
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res = verifyDSiNAND();
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if (!res.isEmpty()) return res;
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}
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else
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{
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if (extbios)
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{
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res = verifyDSFirmware();
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if (!res.isEmpty()) return res;
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}
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}
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return "";
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}
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