suyu/src/core/hle/service/filesystem/filesystem.cpp

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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <boost/container/flat_map.hpp>
#include "common/file_util.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_srv.h"
namespace Service::FileSystem {
/**
* Map of registered file systems, identified by type. Once an file system is registered here, it
* is never removed until UnregisterFileSystems is called.
*/
static std::unique_ptr<FileSys::RomFSFactory> romfs_factory;
static std::unique_ptr<FileSys::SaveDataFactory> save_data_factory;
static std::unique_ptr<FileSys::SDMCFactory> sdmc_factory;
ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory) {
ASSERT_MSG(romfs_factory == nullptr, "Tried to register a second RomFS");
romfs_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered RomFS");
return RESULT_SUCCESS;
}
ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory) {
ASSERT_MSG(romfs_factory == nullptr, "Tried to register a second save data");
save_data_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered save data");
return RESULT_SUCCESS;
}
ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory) {
ASSERT_MSG(sdmc_factory == nullptr, "Tried to register a second SDMC");
sdmc_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered SDMC");
return RESULT_SUCCESS;
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenRomFS(u64 title_id) {
LOG_TRACE(Service_FS, "Opening RomFS for title_id={:016X}", title_id);
if (romfs_factory == nullptr) {
// TODO(bunnei): Find a better error code for this
return ResultCode(-1);
}
return romfs_factory->Open(title_id);
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSaveData(
FileSys::SaveDataSpaceId space, FileSys::SaveDataDescriptor save_struct) {
LOG_TRACE(Service_FS, "Opening Save Data for space_id={:01X}, save_struct={}",
static_cast<u8>(space), SaveStructDebugInfo(save_struct));
if (save_data_factory == nullptr) {
return ResultCode(ErrorModule::FS, FileSys::ErrCodes::SaveDataNotFound);
}
return save_data_factory->Open(space, save_struct);
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSDMC() {
LOG_TRACE(Service_FS, "Opening SDMC");
if (sdmc_factory == nullptr) {
return ResultCode(ErrorModule::FS, FileSys::ErrCodes::SdCardNotFound);
}
return sdmc_factory->Open();
}
void RegisterFileSystems() {
romfs_factory = nullptr;
save_data_factory = nullptr;
sdmc_factory = nullptr;
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
std::string sd_directory = FileUtil::GetUserPath(D_SDMC_IDX);
auto savedata = std::make_unique<FileSys::SaveDataFactory>(std::move(nand_directory));
save_data_factory = std::move(savedata);
auto sdcard = std::make_unique<FileSys::SDMCFactory>(std::move(sd_directory));
sdmc_factory = std::move(sdcard);
}
void InstallInterfaces(SM::ServiceManager& service_manager) {
RegisterFileSystems();
std::make_shared<FSP_SRV>()->InstallAsService(service_manager);
}
} // namespace Service::FileSystem