2014-04-08 16:15:46 -07:00
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// Copyright 2014 Citra Emulator Project
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2014-12-16 21:38:14 -08:00
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// Licensed under GPLv2 or any later version
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2014-04-08 16:15:46 -07:00
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// Refer to the license.txt file included.
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2013-09-19 20:21:22 -07:00
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2014-12-19 21:21:23 -08:00
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#include <string>
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2015-05-06 00:06:12 -07:00
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#include "common/logging/log.h"
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2014-12-19 21:21:23 -08:00
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#include "common/make_unique.h"
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2014-06-18 15:58:09 -07:00
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2014-06-27 13:18:56 -07:00
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#include "core/file_sys/archive_romfs.h"
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2015-05-03 20:01:16 -07:00
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/fs/archive.h"
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2014-12-07 12:47:06 -08:00
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#include "core/loader/3dsx.h"
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2014-06-16 20:05:10 -07:00
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#include "core/loader/elf.h"
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2014-06-16 19:57:09 -07:00
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#include "core/loader/ncch.h"
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2014-04-21 20:09:10 -07:00
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2013-09-19 20:21:22 -07:00
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace Loader {
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2015-05-08 14:12:25 -07:00
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const std::initializer_list<Kernel::AddressMapping> default_address_mappings = {
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2015-05-03 20:01:16 -07:00
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{ 0x1FF50000, 0x8000, true }, // part of DSP RAM
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{ 0x1FF70000, 0x8000, true }, // part of DSP RAM
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{ 0x1F000000, 0x600000, false }, // entire VRAM
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};
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2013-09-19 20:21:22 -07:00
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/**
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* Identifies the type of a bootable file
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2015-01-06 15:10:13 -08:00
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* @param file open file
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* @return FileType of file
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*/
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static FileType IdentifyFile(FileUtil::IOFile& file) {
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FileType type;
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#define CHECK_TYPE(loader) \
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type = AppLoader_##loader::IdentifyType(file); \
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if (FileType::Error != type) \
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return type;
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CHECK_TYPE(THREEDSX)
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CHECK_TYPE(ELF)
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CHECK_TYPE(NCCH)
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#undef CHECK_TYPE
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return FileType::Unknown;
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}
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/**
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* Guess the type of a bootable file from its extension
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* @param extension String extension of bootable file
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2013-09-19 20:21:22 -07:00
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* @return FileType of file
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*/
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static FileType GuessFromExtension(const std::string& extension_) {
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std::string extension = Common::ToLower(extension_);
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2014-09-07 00:49:52 -07:00
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2015-01-06 15:10:13 -08:00
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if (extension == ".elf")
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return FileType::ELF;
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2015-01-06 15:10:13 -08:00
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else if (extension == ".axf")
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return FileType::ELF;
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else if (extension == ".cxi")
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return FileType::CXI;
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else if (extension == ".cci")
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2014-09-07 11:50:43 -07:00
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return FileType::CCI;
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2015-01-06 15:10:13 -08:00
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else if (extension == ".3ds")
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return FileType::CCI;
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2015-01-06 15:10:13 -08:00
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else if (extension == ".3dsx")
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2014-12-07 12:47:06 -08:00
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return FileType::THREEDSX;
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return FileType::Unknown;
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}
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2015-01-06 16:33:00 -08:00
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static const char* GetFileTypeString(FileType type) {
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switch (type) {
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case FileType::CCI:
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return "NCSD";
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case FileType::CXI:
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return "NCCH";
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case FileType::ELF:
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return "ELF";
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case FileType::THREEDSX:
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return "3DSX";
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case FileType::Error:
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case FileType::Unknown:
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break;
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}
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return "unknown";
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}
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2014-03-31 19:23:55 -07:00
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2015-01-06 16:33:00 -08:00
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ResultStatus LoadFile(const std::string& filename) {
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std::unique_ptr<FileUtil::IOFile> file(new FileUtil::IOFile(filename, "rb"));
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if (!file->IsOpen()) {
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LOG_ERROR(Loader, "Failed to load file %s", filename.c_str());
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return ResultStatus::Error;
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}
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std::string filename_filename, filename_extension;
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Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
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2015-01-06 15:10:13 -08:00
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FileType type = IdentifyFile(*file);
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FileType filename_type = GuessFromExtension(filename_extension);
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if (type != filename_type) {
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LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
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if (FileType::Unknown == type)
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type = filename_type;
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}
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2015-01-06 16:33:00 -08:00
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LOG_INFO(Loader, "Loading file %s as %s...", filename.c_str(), GetFileTypeString(type));
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2015-01-06 15:10:13 -08:00
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switch (type) {
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2014-12-07 12:47:06 -08:00
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//3DSX file format...
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case FileType::THREEDSX:
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return AppLoader_THREEDSX(std::move(file), filename_filename).Load();
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2014-12-07 12:47:06 -08:00
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2014-06-18 15:58:09 -07:00
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// Standard ELF file format...
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2014-06-27 13:18:56 -07:00
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case FileType::ELF:
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2015-05-03 20:01:16 -07:00
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return AppLoader_ELF(std::move(file), filename_filename).Load();
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2014-04-30 20:50:14 -07:00
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2014-06-18 15:58:09 -07:00
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// NCCH/NCSD container formats...
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case FileType::CXI:
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case FileType::CCI:
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{
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AppLoader_NCCH app_loader(std::move(file));
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2014-06-27 13:18:56 -07:00
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// Load application and RomFS
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if (ResultStatus::Success == app_loader.Load()) {
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2015-02-06 05:53:14 -08:00
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Service::FS::RegisterArchiveType(Common::make_unique<FileSys::ArchiveFactory_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
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return ResultStatus::Success;
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}
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break;
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2014-06-18 15:58:09 -07:00
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}
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2014-06-16 19:57:09 -07:00
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2014-06-18 15:58:09 -07:00
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// Error occurred durring IdentifyFile...
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case FileType::Error:
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// IdentifyFile could know identify file type...
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case FileType::Unknown:
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{
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2015-01-30 08:33:20 -08:00
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LOG_CRITICAL(Loader, "File %s is of unknown type.", filename.c_str());
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2014-06-18 15:58:09 -07:00
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return ResultStatus::ErrorInvalidFormat;
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2014-03-31 19:23:55 -07:00
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}
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2015-01-06 15:10:13 -08:00
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}
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2014-06-18 15:58:09 -07:00
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return ResultStatus::Error;
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2013-09-19 20:21:22 -07:00
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}
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2014-06-16 20:18:10 -07:00
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} // namespace Loader
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