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== CreateSaveDataFileSystem ==
== CreateSaveDataFileSystem ==
Takes a 0x40-byte Save-struct entry, a 0x40-byte SaveCreate-struct entry, and a 0x10-byte input struct.
Takes a 0x40-byte [[#SaveDataAttribute]], a 0x40-byte [[#SaveDataCreationInfo]], and a 0x10-byte input struct.
Only the first 0x5-bytes in the 0x10-byte struct are initialized: all-zero when automatically creating savedata during savecommon mount by official user-processes. In the dedicated save-creation code in official user-processes: +0 u32 = 0x40060, +4 u8 = 1.
Only the first 0x5-bytes in the 0x10-byte struct are initialized: all-zero when automatically creating savedata during savecommon mount by official user-processes. In the dedicated save-creation code in official user-processes: +0 u32 = 0x40060, +4 u8 = 1.
== CreateSaveDataFileSystemBySystemSaveDataId ==
== CreateSaveDataFileSystemBySystemSaveDataId ==
Takes a 0x40-byte Save-struct entry and a 0x40-byte SaveCreate-struct entry.
Takes a 0x40-byte [[#SaveDataAttribute]] and a 0x40-byte [[#SaveDataCreationInfo]].
Creates savedata in the SYSTEM [[Flash_Filesystem|NAND]] partition.
Creates savedata in the SYSTEM [[Flash_Filesystem|NAND]] partition.
== OpenSaveDataFileSystem ==
== OpenSaveDataFileSystem ==
Takes an input u8 [[#SaveDataSpaceId]] and a 0x40-byte Save-struct entry. Official user-process code is only known to use value 1 for the u8.
Takes an input u8 [[#SaveDataSpaceId]] and a 0x40-byte [[#SaveDataAttribute]]. Official user-process code is only known to use value 1 for the u8.
Returns an [[#IFileSystem]].
Returns an [[#IFileSystem]].
== OpenSaveDataFileSystemBySystemSaveDataId ==
== OpenSaveDataFileSystemBySystemSaveDataId ==
Takes an input u8 [[#SaveDataSpaceId]] and a 0x40-byte Save-struct entry. Web-applet only uses value0 for the input u8.
Takes an input u8 [[#SaveDataSpaceId]] and a 0x40-byte [[#SaveDataAttribute]]. Web-applet only uses value0 for the input u8.
Returns an [[#IFileSystem]].
Returns an [[#IFileSystem]].
= SaveDataType =
= SaveDataType =
This is "nn::fs::SaveDataType".
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= CloudBackupWorkStorageId =
= CloudBackupWorkStorageId =
This is "nn::fs::CloudBackupWorkStorageId".
This is "nn::fs::CloudBackupWorkStorageId".
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= Save Struct =
= SaveDataAttribute =
This is "nn::fs::SaveDataAttribute".
This is "nn::fs::SaveDataAttribute".
For DeviceSaveData, this struct is all-zero except for the [[#SaveDataType]] field.
For DeviceSaveData, this struct is all-zero except for the [[#SaveDataType]] field.
= SaveCreate Struct =
= SaveDataCreationInfo =
This is "nn::fs::SaveDataCreationInfo".
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= DeviceSaveData =
= DeviceSaveData =
This is accessed using the same commands for SaveData with the same input u8, the only difference compared to SaveData is the Save-struct.
This is accessed using the same commands for SaveData with the same input u8, the only difference compared to SaveData is the [[#SaveDataAttribute]] field.
= BcatSaveData =
= BcatSaveData =
This is accessed using the same commands for SaveData with the same input u8. The Save-struct is the same as DeviceSaveData, except that the titleID field is set to <input titleID>. See above regarding SaveCreate-struct.
This is accessed using the same commands for SaveData with the same input u8. The [[#SaveDataAttribute]] is the same as DeviceSaveData, except that the titleID field is set to <input titleID>. See above regarding [[#SaveDataCreationInfo]].
The 0x10-byte struct passed to [[#CreateSaveDataFileSystem]] has the first 0x5-bytes set to all-zero.
The 0x10-byte struct passed to [[#CreateSaveDataFileSystem]] has the first 0x5-bytes set to all-zero.