2
0
Fork 0
mirror of https://github.com/yuzu-mirror/yuzu synced 2024-12-24 02:43:14 +00:00
yuzu/src/core/loader/loader.cpp

141 lines
3.7 KiB
C++
Raw Normal View History

2014-04-08 23:15:46 +00:00
// Copyright 2014 Citra Emulator Project
2014-12-17 05:38:14 +00:00
// Licensed under GPLv2 or any later version
2014-04-08 23:15:46 +00:00
// Refer to the license.txt file included.
2015-06-21 12:40:28 +00:00
#include <memory>
#include <string>
2015-05-06 07:06:12 +00:00
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/kernel/process.h"
2014-12-07 20:47:06 +00:00
#include "core/loader/3dsx.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace Loader {
const std::initializer_list<Kernel::AddressMapping> default_address_mappings = {
{ 0x1FF50000, 0x8000, true }, // part of DSP RAM
{ 0x1FF70000, 0x8000, true }, // part of DSP RAM
{ 0x1F000000, 0x600000, false }, // entire VRAM
};
FileType IdentifyFile(FileUtil::IOFile& file) {
FileType type;
#define CHECK_TYPE(loader) \
type = AppLoader_##loader::IdentifyType(file); \
if (FileType::Error != type) \
return type;
CHECK_TYPE(THREEDSX)
CHECK_TYPE(ELF)
CHECK_TYPE(NCCH)
#undef CHECK_TYPE
return FileType::Unknown;
}
FileType IdentifyFile(const std::string& file_name) {
FileUtil::IOFile file(file_name, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Loader, "Failed to load file %s", file_name.c_str());
return FileType::Unknown;
}
return IdentifyFile(file);
}
FileType GuessFromExtension(const std::string& extension_) {
std::string extension = Common::ToLower(extension_);
2015-07-25 22:10:13 +00:00
if (extension == ".elf" || extension == ".axf")
return FileType::ELF;
2015-07-25 22:10:13 +00:00
if (extension == ".cci" || extension == ".3ds")
2015-01-05 03:45:09 +00:00
return FileType::CCI;
2015-07-25 22:10:13 +00:00
if (extension == ".cxi")
return FileType::CXI;
if (extension == ".3dsx")
2014-12-07 20:47:06 +00:00
return FileType::THREEDSX;
2015-07-25 22:10:13 +00:00
if (extension == ".cia")
return FileType::CIA;
return FileType::Unknown;
}
const char* GetFileTypeString(FileType type) {
switch (type) {
case FileType::CCI:
return "NCSD";
case FileType::CXI:
return "NCCH";
case FileType::CIA:
return "CIA";
case FileType::ELF:
return "ELF";
case FileType::THREEDSX:
return "3DSX";
case FileType::Error:
case FileType::Unknown:
2015-02-01 20:31:21 +00:00
break;
}
2015-02-01 20:31:21 +00:00
return "unknown";
}
2016-04-13 21:04:05 +00:00
std::unique_ptr<AppLoader> GetLoader(FileUtil::IOFile&& file, FileType type,
const std::string& filename, const std::string& filepath) {
switch (type) {
// 3DSX file format.
case FileType::THREEDSX:
return std::make_unique<AppLoader_THREEDSX>(std::move(file), filename, filepath);
// Standard ELF file format.
case FileType::ELF:
return std::make_unique<AppLoader_ELF>(std::move(file), filename);
// NCCH/NCSD container formats.
case FileType::CXI:
case FileType::CCI:
return std::make_unique<AppLoader_NCCH>(std::move(file), filepath);
default:
return nullptr;
2016-04-13 21:04:05 +00:00
}
}
std::unique_ptr<AppLoader> GetFileLoader(const std::string& filename) {
FileUtil::IOFile file(filename, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Loader, "Failed to load file %s", filename.c_str());
return nullptr;
}
std::string filename_filename, filename_extension;
Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
FileType type = IdentifyFile(file);
FileType filename_type = GuessFromExtension(filename_extension);
if (type != filename_type) {
LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
if (FileType::Unknown == type)
type = filename_type;
}
LOG_INFO(Loader, "Loading file %s as %s...", filename.c_str(), GetFileTypeString(type));
return GetLoader(std::move(file), type, filename_filename, filename);
}
} // namespace Loader