2012-11-01 15:19:01 +00:00
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// 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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2012-11-04 22:01:49 +00:00
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// the Free Software Foundation, version 2.0 or later versions.
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2012-11-01 15:19:01 +00:00
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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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2013-01-07 14:57:19 +00:00
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size_t readSize = fread(&id,4,1,f);
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2012-11-01 15:19:01 +00:00
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fclose(f);
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2013-01-07 14:57:19 +00:00
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if(readSize != 1)
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return FILETYPE_ERROR;
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2013-01-12 10:31:32 +00:00
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if (strlen(filename) < 5) {
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ERROR_LOG(LOADER, "invalid filename %s", filename);
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}
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const char *extension = filename + strlen(filename) - 4;
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2012-11-01 15:19:01 +00:00
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if (id == 'FLE\x7F')
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{
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2013-01-12 10:31:32 +00:00
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if (!strcasecmp(extension, ".plf") || strstr(filename,"BOOT.BIN") ||
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!strcasecmp(extension, ".elf") || !strcasecmp(extension,".prx") )
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2012-11-01 15:19:01 +00:00
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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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2013-01-25 22:05:09 +00:00
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return FILETYPE_UNKNOWN_ELF;
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2012-11-01 15:19:01 +00:00
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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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2013-01-12 10:31:32 +00:00
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if (!strcasecmp(extension,".pbp"))
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2012-11-01 15:19:01 +00:00
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{
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return FILETYPE_PSP_PBP;
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}
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2013-01-12 10:31:32 +00:00
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else if (!strcasecmp(extension,".iso"))
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2012-11-01 15:19:01 +00:00
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{
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return FILETYPE_PSP_ISO;
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}
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2013-01-12 10:31:32 +00:00
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else if (!strcasecmp(extension,".cso"))
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2012-11-01 15:19:01 +00:00
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{
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return FILETYPE_PSP_ISO;
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}
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2013-01-12 10:31:32 +00:00
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else if (!strcasecmp(extension,".bin"))
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2012-11-01 15:19:01 +00:00
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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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2013-01-07 08:10:05 +00:00
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INFO_LOG(LOADER,"Identifying file...");
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2012-11-01 15:19:01 +00:00
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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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2013-01-07 08:10:05 +00:00
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INFO_LOG(LOADER,"File is an ELF!");
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2012-11-01 15:19:01 +00:00
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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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2013-01-10 11:27:10 +00:00
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pspFileSystem.SetStartingDirectory("ms0:" + path.substr(pos));
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2012-11-01 15:19:01 +00:00
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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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2013-01-10 11:27:10 +00:00
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pspFileSystem.SetStartingDirectory("disc0:/PSP_GAME/USRDIR");
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2012-11-01 15:19:01 +00:00
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return Load_PSP_ISO(filename, error_string);
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case FILETYPE_ERROR:
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2013-03-30 08:11:53 +00:00
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ERROR_LOG(LOADER, "Could not read file");
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2012-11-01 15:19:01 +00:00
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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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2013-01-07 08:10:05 +00:00
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ERROR_LOG(LOADER, "Failed to identify file");
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2012-11-01 15:19:01 +00:00
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break;
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}
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return false;
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}
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