diff options
Diffstat (limited to 'src/core/hle/service/filesystem/save_data_controller.cpp')
-rw-r--r-- | src/core/hle/service/filesystem/save_data_controller.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/core/hle/service/filesystem/save_data_controller.cpp b/src/core/hle/service/filesystem/save_data_controller.cpp new file mode 100644 index 000000000..d19b3ea1e --- /dev/null +++ b/src/core/hle/service/filesystem/save_data_controller.cpp @@ -0,0 +1,99 @@ +// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/file_sys/control_metadata.h" +#include "core/file_sys/errors.h" +#include "core/file_sys/patch_manager.h" +#include "core/hle/service/filesystem/save_data_controller.h" +#include "core/loader/loader.h" + +namespace Service::FileSystem { + +namespace { + +// A default size for normal/journal save data size if application control metadata cannot be found. +// This should be large enough to satisfy even the most extreme requirements (~4.2GB) +constexpr u64 SufficientSaveDataSize = 0xF0000000; + +FileSys::SaveDataSize GetDefaultSaveDataSize(Core::System& system, u64 program_id) { + const FileSys::PatchManager pm{program_id, system.GetFileSystemController(), + system.GetContentProvider()}; + const auto metadata = pm.GetControlMetadata(); + const auto& nacp = metadata.first; + + if (nacp != nullptr) { + return {nacp->GetDefaultNormalSaveSize(), nacp->GetDefaultJournalSaveSize()}; + } + + return {SufficientSaveDataSize, SufficientSaveDataSize}; +} + +} // namespace + +SaveDataController::SaveDataController(Core::System& system_, + std::shared_ptr<FileSys::SaveDataFactory> factory_) + : system{system_}, factory{std::move(factory_)} {} +SaveDataController::~SaveDataController() = default; + +Result SaveDataController::CreateSaveData(FileSys::VirtualDir* out_save_data, + FileSys::SaveDataSpaceId space, + const FileSys::SaveDataAttribute& attribute) { + LOG_TRACE(Service_FS, "Creating Save Data for space_id={:01X}, save_struct={}", space, + attribute.DebugInfo()); + + auto save_data = factory->Create(space, attribute); + if (save_data == nullptr) { + return FileSys::ERROR_ENTITY_NOT_FOUND; + } + + *out_save_data = save_data; + return ResultSuccess; +} + +Result SaveDataController::OpenSaveData(FileSys::VirtualDir* out_save_data, + FileSys::SaveDataSpaceId space, + const FileSys::SaveDataAttribute& attribute) { + auto save_data = factory->Open(space, attribute); + if (save_data == nullptr) { + return FileSys::ERROR_ENTITY_NOT_FOUND; + } + + *out_save_data = save_data; + return ResultSuccess; +} + +Result SaveDataController::OpenSaveDataSpace(FileSys::VirtualDir* out_save_data_space, + FileSys::SaveDataSpaceId space) { + auto save_data_space = factory->GetSaveDataSpaceDirectory(space); + if (save_data_space == nullptr) { + return FileSys::ERROR_ENTITY_NOT_FOUND; + } + + *out_save_data_space = save_data_space; + return ResultSuccess; +} + +FileSys::SaveDataSize SaveDataController::ReadSaveDataSize(FileSys::SaveDataType type, u64 title_id, + u128 user_id) { + const auto value = factory->ReadSaveDataSize(type, title_id, user_id); + + if (value.normal == 0 && value.journal == 0) { + const auto size = GetDefaultSaveDataSize(system, title_id); + factory->WriteSaveDataSize(type, title_id, user_id, size); + return size; + } + + return value; +} + +void SaveDataController::WriteSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id, + FileSys::SaveDataSize new_value) { + factory->WriteSaveDataSize(type, title_id, user_id, new_value); +} + +void SaveDataController::SetAutoCreate(bool state) { + factory->SetAutoCreate(state); +} + +} // namespace Service::FileSystem |