ppsspp/Core/PSPLoaders.cpp
2012-12-14 20:55:57 +01:00

132 lines
3.8 KiB
C++

// Copyright (C) 2012 PPSSPP Project
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program 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 General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "ELF/ElfReader.h"
#include "FileSystems/DirectoryFileSystem.h"
#include "FileSystems/ISOFileSystem.h"
#include "MemMap.h"
#include "MIPS/MIPS.h"
#include "MIPS/MIPSAnalyst.h"
#include "MIPS/MIPSCodeUtils.h"
#include "StringUtil.h"
#include "Host.h"
#include "System.h"
#include "PSPLoaders.h"
#include "HLE/HLE.h"
#include "HLE/sceKernel.h"
#include "HLE/sceKernelThread.h"
#include "HLE/sceKernelModule.h"
#include "HLE/sceKernelMemory.h"
#include "ELF/ParamSFO.h"
BlockDevice *constructBlockDevice(const char *filename)
{
char firstInExtension = filename[strlen(filename)-3];
if (firstInExtension == 'c')
{
return new CISOFileBlockDevice(filename);
}
else
{
return new FileBlockDevice(filename);
}
}
bool Load_PSP_ISO(const char *filename, std::string *error_string)
{
ISOFileSystem *umd2 = new ISOFileSystem(&pspFileSystem, constructBlockDevice(filename));
// Parse PARAM.SFO
//pspFileSystem.Mount("host0:",umd2);
pspFileSystem.Mount("umd0:", umd2);
pspFileSystem.Mount("umd1:", umd2);
pspFileSystem.Mount("disc0:", umd2);
pspFileSystem.Mount("umd:", umd2);
pspFileSystem.Mount("UMD0:", umd2);
pspFileSystem.Mount("UMD1:", umd2);
pspFileSystem.Mount("DISC0:", umd2);
pspFileSystem.Mount("UMD:", umd2);
std::string sfoPath("disc0:/PSP_GAME/PARAM.SFO");
PSPFileInfo fileInfo = pspFileSystem.GetFileInfo(sfoPath.c_str());
if (fileInfo.exists)
{
u8 *paramsfo = new u8[(size_t)fileInfo.size];
u32 fd = pspFileSystem.OpenFile(sfoPath, FILEACCESS_READ);
pspFileSystem.ReadFile(fd, paramsfo, fileInfo.size);
pspFileSystem.CloseFile(fd);
ParamSFOData data;
if (data.ReadSFO(paramsfo, (size_t)fileInfo.size))
{
char title[1024];
sprintf(title, "%s : %s", data.GetValueString("DISC_ID").c_str(), data.GetValueString("TITLE").c_str());
INFO_LOG(LOADER, "%s", title);
host->SetWindowTitle(title);
}
delete [] paramsfo;
}
std::string bootpath("disc0:/PSP_GAME/SYSDIR/EBOOT.BIN");
// bypass patchers
if (pspFileSystem.GetFileInfo("disc0:/PSP_GAME/SYSDIR/EBOOT.OLD").exists) {
bootpath = "disc0:/PSP_GAME/SYSDIR/EBOOT.OLD";
}
bool hasEncrypted = false;
u32 fd;
if ((fd = pspFileSystem.OpenFile(bootpath, FILEACCESS_READ)) != 0)
{
u8 head[4];
pspFileSystem.ReadFile(fd, head, 4);
if (memcmp(head, "~PSP", 4) == 0 || memcmp(head, "\x7F""ELF", 4) == 0) {
hasEncrypted = true;
}
pspFileSystem.CloseFile(fd);
}
if (!hasEncrypted)
{
// try unencrypted BOOT.BIN
bootpath = "disc0:/PSP_GAME/SYSDIR/BOOT.BIN";
}
INFO_LOG(LOADER,"Loading %s...", bootpath.c_str());
return __KernelLoadExec(bootpath.c_str(), 0, error_string);
}
bool Load_PSP_ELF_PBP(const char *filename, std::string *error_string)
{
std::string full_path = filename;
std::string path, file, extension;
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
#ifdef _WIN32
path = ReplaceAll(path, "/", "\\");
#endif
DirectoryFileSystem *fs = new DirectoryFileSystem(&pspFileSystem, path);
pspFileSystem.Mount("umd0:/", fs);
std::string finalName = "umd0:/" + file + extension;
return __KernelLoadExec(finalName.c_str(), 0, error_string);
}