mirror of
https://gitlab.com/suyu-emu/suyu.git
synced 2024-03-15 23:15:44 +00:00
138 lines
3.9 KiB
C++
138 lines
3.9 KiB
C++
// Copyright 2018 yuzu emulator team
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include "common/logging/log.h"
|
|
#include "common/string_util.h"
|
|
#include "core/file_sys/vfs_real.h"
|
|
#include "core/hle/kernel/process.h"
|
|
#include "core/loader/deconstructed_rom_directory.h"
|
|
#include "core/loader/elf.h"
|
|
#include "core/loader/nca.h"
|
|
#include "core/loader/nro.h"
|
|
#include "core/loader/nso.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(FileSys::VirtualFile file) {
|
|
FileType type;
|
|
|
|
#define CHECK_TYPE(loader) \
|
|
type = AppLoader_##loader::IdentifyType(file); \
|
|
if (FileType::Error != type) \
|
|
return type;
|
|
|
|
CHECK_TYPE(DeconstructedRomDirectory)
|
|
CHECK_TYPE(ELF)
|
|
CHECK_TYPE(NSO)
|
|
CHECK_TYPE(NRO)
|
|
CHECK_TYPE(NCA)
|
|
|
|
#undef CHECK_TYPE
|
|
|
|
return FileType::Unknown;
|
|
}
|
|
|
|
FileType IdentifyFile(const std::string& file_name) {
|
|
return IdentifyFile(FileSys::VirtualFile(std::make_shared<FileSys::RealVfsFile>(file_name)));
|
|
}
|
|
|
|
FileType GuessFromFilename(const std::string& name) {
|
|
if (name == "main")
|
|
return FileType::DeconstructedRomDirectory;
|
|
|
|
const std::string extension = Common::ToLower(FileUtil::GetExtensionFromFilename(name));
|
|
|
|
if (extension == "elf")
|
|
return FileType::ELF;
|
|
if (extension == "nro")
|
|
return FileType::NRO;
|
|
if (extension == "nso")
|
|
return FileType::NSO;
|
|
if (extension == "nca")
|
|
return FileType::NCA;
|
|
|
|
return FileType::Unknown;
|
|
}
|
|
|
|
const char* GetFileTypeString(FileType type) {
|
|
switch (type) {
|
|
case FileType::ELF:
|
|
return "ELF";
|
|
case FileType::NRO:
|
|
return "NRO";
|
|
case FileType::NSO:
|
|
return "NSO";
|
|
case FileType::NCA:
|
|
return "NCA";
|
|
case FileType::DeconstructedRomDirectory:
|
|
return "Directory";
|
|
case FileType::Error:
|
|
case FileType::Unknown:
|
|
break;
|
|
}
|
|
|
|
return "unknown";
|
|
}
|
|
|
|
/**
|
|
* Get a loader for a file with a specific type
|
|
* @param file The file to load
|
|
* @param type The type of the file
|
|
* @param file the file to retrieve the loader for
|
|
* @param type the file type
|
|
* @return std::unique_ptr<AppLoader> a pointer to a loader object; nullptr for unsupported type
|
|
*/
|
|
static std::unique_ptr<AppLoader> GetFileLoader(FileSys::VirtualFile file, FileType type) {
|
|
switch (type) {
|
|
|
|
// Standard ELF file format.
|
|
case FileType::ELF:
|
|
return std::make_unique<AppLoader_ELF>(std::move(file));
|
|
|
|
// NX NSO file format.
|
|
case FileType::NSO:
|
|
return std::make_unique<AppLoader_NSO>(std::move(file));
|
|
|
|
// NX NRO file format.
|
|
case FileType::NRO:
|
|
return std::make_unique<AppLoader_NRO>(std::move(file));
|
|
|
|
// NX NCA file format.
|
|
case FileType::NCA:
|
|
return std::make_unique<AppLoader_NCA>(std::move(file));
|
|
|
|
// NX deconstructed ROM directory.
|
|
case FileType::DeconstructedRomDirectory:
|
|
return std::make_unique<AppLoader_DeconstructedRomDirectory>(std::move(file));
|
|
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file) {
|
|
FileType type = IdentifyFile(file);
|
|
FileType filename_type = GuessFromFilename(file->GetName());
|
|
|
|
if (type != filename_type) {
|
|
LOG_WARNING(Loader, "File {} has a different type than its extension.", file->GetName());
|
|
if (FileType::Unknown == type)
|
|
type = filename_type;
|
|
}
|
|
|
|
LOG_DEBUG(Loader, "Loading file {} as {}...", file->GetName(), GetFileTypeString(type));
|
|
|
|
return GetFileLoader(std::move(file), type);
|
|
}
|
|
|
|
} // namespace Loader
|