mirror of
https://github.com/libretro/ppsspp.git
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137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
// Copyright (C) 2012 PPSSPP Project
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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, version 2.0 or later versions.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "ELF/ElfReader.h"
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#include "FileSystems/DirectoryFileSystem.h"
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#include "FileSystems/ISOFileSystem.h"
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#include "MemMap.h"
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#include "MIPS/MIPS.h"
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#include "MIPS/MIPSAnalyst.h"
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#include "MIPS/MIPSCodeUtils.h"
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#include "StringUtil.h"
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#include "Host.h"
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#include "System.h"
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#include "PSPLoaders.h"
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#include "HLE/HLE.h"
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#include "HLE/sceKernel.h"
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#include "HLE/sceKernelThread.h"
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#include "HLE/sceKernelModule.h"
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#include "HLE/sceKernelMemory.h"
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#include "ELF/ParamSFO.h"
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BlockDevice *constructBlockDevice(const char *filename)
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{
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// Check for CISO
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FILE *f = fopen(filename, "rb");
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char buffer[4];
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auto size = fread(buffer, 1, 4, f); //size_t
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fclose(f);
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if (!memcmp(buffer, "CISO", 4) && size == 4)
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return new CISOFileBlockDevice(filename);
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else
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return new FileBlockDevice(filename);
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}
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bool Load_PSP_ISO(const char *filename, std::string *error_string)
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{
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ISOFileSystem *umd2 = new ISOFileSystem(&pspFileSystem, constructBlockDevice(filename));
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// Parse PARAM.SFO
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//pspFileSystem.Mount("host0:",umd2);
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pspFileSystem.Mount("umd0:", umd2);
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pspFileSystem.Mount("umd1:", umd2);
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pspFileSystem.Mount("disc0:", umd2);
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pspFileSystem.Mount("umd:", umd2);
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std::string sfoPath("disc0:/PSP_GAME/PARAM.SFO");
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PSPFileInfo fileInfo = pspFileSystem.GetFileInfo(sfoPath.c_str());
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if (fileInfo.exists)
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{
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u8 *paramsfo = new u8[(size_t)fileInfo.size];
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u32 fd = pspFileSystem.OpenFile(sfoPath, FILEACCESS_READ);
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pspFileSystem.ReadFile(fd, paramsfo, fileInfo.size);
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pspFileSystem.CloseFile(fd);
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if (g_paramSFO.ReadSFO(paramsfo, (size_t)fileInfo.size))
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{
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char title[1024];
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sprintf(title, "%s : %s", g_paramSFO.GetValueString("DISC_ID").c_str(), g_paramSFO.GetValueString("TITLE").c_str());
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INFO_LOG(LOADER, "%s", title);
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host->SetWindowTitle(title);
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}
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delete [] paramsfo;
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}
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std::string bootpath("disc0:/PSP_GAME/SYSDIR/EBOOT.BIN");
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// bypass patchers
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if (pspFileSystem.GetFileInfo("disc0:/PSP_GAME/SYSDIR/EBOOT.OLD").exists) {
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bootpath = "disc0:/PSP_GAME/SYSDIR/EBOOT.OLD";
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}
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bool hasEncrypted = false;
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u32 fd;
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if ((fd = pspFileSystem.OpenFile(bootpath, FILEACCESS_READ)) != 0)
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{
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u8 head[4];
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pspFileSystem.ReadFile(fd, head, 4);
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if (memcmp(head, "~PSP", 4) == 0 || memcmp(head, "\x7F""ELF", 4) == 0) {
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hasEncrypted = true;
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}
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pspFileSystem.CloseFile(fd);
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}
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if (!hasEncrypted)
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{
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// try unencrypted BOOT.BIN
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bootpath = "disc0:/PSP_GAME/SYSDIR/BOOT.BIN";
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}
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INFO_LOG(LOADER,"Loading %s...", bootpath.c_str());
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return __KernelLoadExec(bootpath.c_str(), 0, error_string);
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}
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bool Load_PSP_ELF_PBP(const char *filename, std::string *error_string)
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{
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// This is really just for headless, might need tweaking later.
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if (!PSP_CoreParameter().mountIso.empty())
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{
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ISOFileSystem *umd2 = new ISOFileSystem(&pspFileSystem, constructBlockDevice(PSP_CoreParameter().mountIso.c_str()));
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pspFileSystem.Mount("umd1:", umd2);
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pspFileSystem.Mount("disc0:", umd2);
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pspFileSystem.Mount("umd:", umd2);
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}
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std::string full_path = filename;
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std::string path, file, extension;
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SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
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#ifdef _WIN32
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path = ReplaceAll(path, "/", "\\");
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#endif
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DirectoryFileSystem *fs = new DirectoryFileSystem(&pspFileSystem, path);
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pspFileSystem.Mount("umd0:/", fs);
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std::string finalName = "umd0:/" + file + extension;
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return __KernelLoadExec(finalName.c_str(), 0, error_string);
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}
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