mirror of
https://github.com/libretro/ppsspp.git
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110 lines
2.8 KiB
C++
110 lines
2.8 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 "file/file_util.h"
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#include "MIPS/MIPS.h"
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#include "MIPS/MIPSCodeUtils.h"
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#include "HLE/HLE.h"
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#include "HLE/sceKernelModule.h"
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#include "PSPLoaders.h"
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#include "MemMap.h"
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#include "Loaders.h"
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#include "System.h"
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// TODO : improve, look in the file more
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EmuFileType Identify_File(const char *filename)
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{
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//then: easy bulletproof IDs.
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FILE *f = fopen(filename, "rb");
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if (!f)
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{
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//File does not exists
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return FILETYPE_ERROR;
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}
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u32 id;
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fread(&id,4,1,f);
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fclose(f);
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if (id == 'FLE\x7F')
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{
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if (strstr(filename,".plf") || strstr(filename,"BOOT.BIN") || strstr(filename,".elf") || strstr(filename,".prx") )
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{
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return FILETYPE_PSP_ELF;
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}
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else
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return FILETYPE_PSP_ELF;
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}
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else if (id == 'PBP\x00')
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{
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return FILETYPE_PSP_PBP;
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}
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else
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{
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if (strstr(filename,".pbp") || strstr(filename,".PBP"))
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{
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return FILETYPE_PSP_PBP;
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}
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else if (strstr(filename,".iso") || strstr(filename,".ISO"))
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{
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return FILETYPE_PSP_ISO;
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}
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else if (strstr(filename,".cso") || strstr(filename,".CSO"))
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{
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return FILETYPE_PSP_ISO;
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}
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else if (strstr(filename,".bin") || strstr(filename,".BIN"))
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{
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return FILETYPE_UNKNOWN_BIN;
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}
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}
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return FILETYPE_UNKNOWN;
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}
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bool LoadFile(const char *filename, std::string *error_string)
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{
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INFO_LOG(LOADER,"Identifying %s...",filename);
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switch (Identify_File(filename))
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{
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case FILETYPE_PSP_PBP:
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case FILETYPE_PSP_ELF:
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{
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INFO_LOG(LOADER,"%s is an ELF!",filename);
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std::string path = getDir(filename);
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// If loading from memstick...
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size_t pos = path.find("/PSP/GAME/");
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if (pos != std::string::npos)
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pspFileSystem.SetCurrentDirectory("ms0:" + path.substr(pos));
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return Load_PSP_ELF_PBP(filename, error_string);
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}
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case FILETYPE_PSP_ISO:
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pspFileSystem.SetCurrentDirectory("disc0:/PSP_GAME/USRDIR");
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return Load_PSP_ISO(filename, error_string);
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case FILETYPE_ERROR:
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ERROR_LOG(LOADER, "Could not read %s", filename);
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*error_string = "Error reading file";
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break;
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case FILETYPE_UNKNOWN_BIN:
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case FILETYPE_UNKNOWN_ELF:
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case FILETYPE_UNKNOWN:
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default:
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ERROR_LOG(LOADER, "Failed to identify %s", filename);
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break;
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}
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return false;
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}
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