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filesystem: Populate save data sizes from control data

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This commit is contained in:
Zach Hilman 2018-12-06 20:29:36 -05:00
parent 4082c4eda6
commit 2e6b67a079
2 changed files with 53 additions and 0 deletions
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47
src/core/hle/service/filesystem/filesystem.cpp
View file

@ -8,18 +8,23 @@
#include "common/file_util.h"
#include "core/core.h"
#include "core/file_sys/bis_factory.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/partition_filesystem.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs_factory.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
#include "core/file_sys/vfs.h"
#include "core/file_sys/vfs_offset.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_ldr.h"
#include "core/hle/service/filesystem/fsp_pr.h"
#include "core/hle/service/filesystem/fsp_srv.h"
#include "core/loader/loader.h"
namespace Service::FileSystem {
@ -28,6 +33,10 @@ namespace Service::FileSystem {
// TODO(DarkLordZach): Eventually make this configurable in settings.
constexpr u64 EMULATED_SD_REPORTED_SIZE = 32000000000;
// 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 SUFFICIENT_SAVE_DATA_SIZE = 0xF0000000;
static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
std::string_view dir_name_) {
std::string dir_name(FileUtil::SanitizePath(dir_name_));
@ -341,6 +350,44 @@ ResultVal<FileSys::VirtualDir> OpenSDMC() {
return sdmc_factory->Open();
}
FileSys::SaveDataSize ReadSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id) {
if (save_data_factory == nullptr) {
return {0, 0};
}
const auto value = save_data_factory->ReadSaveDataSize(type, title_id, user_id);
if (value.normal == 0 && value.journal == 0) {
FileSys::SaveDataSize new_size{SUFFICIENT_SAVE_DATA_SIZE, SUFFICIENT_SAVE_DATA_SIZE};
FileSys::NACP nacp;
const auto res = Core::System::GetInstance().GetAppLoader().ReadControlData(nacp);
if (res != Loader::ResultStatus::Success) {
FileSys::PatchManager pm{Core::CurrentProcess()->GetTitleID()};
auto [nacp_unique, discard] = pm.GetControlMetadata();
if (nacp_unique != nullptr) {
new_size = {nacp_unique->GetDefaultNormalSaveSize(),
nacp_unique->GetDefaultJournalSaveSize()};
}
} else {
new_size = {nacp.GetDefaultNormalSaveSize(), nacp.GetDefaultJournalSaveSize()};
}
WriteSaveDataSize(type, title_id, user_id, new_size);
return new_size;
}
return value;
}
void WriteSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id,
FileSys::SaveDataSize new_value) {
if (save_data_factory != nullptr)
save_data_factory->WriteSaveDataSize(type, title_id, user_id, new_value);
}
FileSys::RegisteredCacheUnion GetUnionContents() {
return FileSys::RegisteredCacheUnion{
{GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()}};

6
src/core/hle/service/filesystem/filesystem.h
View file

@ -21,9 +21,11 @@ class SDMCFactory;
enum class ContentRecordType : u8;
enum class Mode : u32;
enum class SaveDataSpaceId : u8;
enum class SaveDataType : u8;
enum class StorageId : u8;
struct SaveDataDescriptor;
struct SaveDataSize;
} // namespace FileSys
namespace Service {
@ -48,6 +50,10 @@ ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
ResultVal<FileSys::VirtualDir> OpenSaveDataSpace(FileSys::SaveDataSpaceId space);
ResultVal<FileSys::VirtualDir> OpenSDMC();
FileSys::SaveDataSize ReadSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id);
void WriteSaveDataSize(FileSys::SaveDataType type, u64 title_id, u128 user_id,
FileSys::SaveDataSize new_value);
FileSys::RegisteredCacheUnion GetUnionContents();
FileSys::RegisteredCache* GetSystemNANDContents();