Filesystem service "fs:USER"

Command Header Description
0x000100C6 Dummy1
0x040100C4 Control
0x08010002 Initialize
0x080201C2 OpenFile
0x08030204 OpenFileDirectly
0x08040142 DeleteFile
0x08050244 RenameFile
0x08060142 DeleteDirectory
0x08070142 DeleteDirectoryRecursively
0x08080202 CreateFile
0x08090182 CreateDirectory
0x080A0244 RenameDirectory
0x080B0102 OpenDirectory
0x080C00C2 OpenArchive
0x080D0144 ControlArchive
0x080E0080 CloseArchive
0x080F0180 FormatThisUserSaveData
0x08100200 CreateSystemSaveData
0x08110040 DeleteSystemSaveData
0x08120080 GetFreeBytes
0x08130000 GetCardType
0x08140000 GetSdmcArchiveResource
0x08150000 GetNandArchiveResource
0x08160000 GetSdmcFatfsError
0x08170000 IsSdmcDetected
0x08180000 IsSdmcWritable
0x08190042 GetSdmcCid
0x081A0042 GetNandCid
0x081B0000 GetSdmcSpeedInfo
0x081C0000 GetNandSpeedInfo
0x081D0042 GetSdmcLog
0x081E0042 GetNandLog
0x081F0000 ClearSdmcLog
0x08200000 ClearNandLog
0x08210000 CardSlotIsInserted
0x08220000 CardSlotPowerOn
0x08230000 CardSlotPowerOff
0x08240000 CardSlotGetCardIFPowerStatus
0x08250040 CardNorDirectCommand
0x08260080 CardNorDirectCommandWithAddress
0x08270082 CardNorDirectRead
0x082800C2 CardNorDirectReadWithAddress
0x08290082 CardNorDirectWrite
0x082A00C2 CardNorDirectWriteWithAddress
0x082B00C2 CardNorDirectRead_4xIO
0x082C0082 CardNorDirectCpuWriteWithoutVerify
0x082D0040 CardNorDirectSectorEraseWithoutVerify
0x082E0040 GetProductInfo
0x082F0040 GetProgramLaunchInfo
0x08300182 CreateExtSaveData
0x08310180 CreateSharedExtSaveData
0x08320102 ReadExtSaveDataIcon
0x08330082 EnumerateExtSaveData
0x08340082 EnumerateSharedExtSaveData
0x08350080 DeleteExtSaveData
0x08360080 DeleteSharedExtSaveData
0x08370040 SetCardSpiBaudRate
0x08380040 SetCardSpiBusMode
0x08390000 SendInitializeInfoTo9
0x083A0100 GetSpecialContentIndex
0x083B00C2 GetLegacyRomHeader
0x083C00C2 GetLegacyBannerData
0x083D0100 CheckAuthorityToAccessExtSaveData
0x083E00C2 QueryTotalQuotaSize
0x083F00C0 GetExtDataBlockSize
0x08400040 AbnegateAccessRight
0x08410000 DeleteSdmcRoot
0x08420040 DeleteAllExtSaveDataOnNand
0x08430000 InitializeCtrFileSystem
0x08440000 CreateSeed
0x084500C2 GetFormatInfo
0x08460102 GetLegacyRomHeader2
0x08470180 FormatCtrCardUserSaveData
0x08480042 GetSdmcCtrRootPath
0x08490040 GetArchiveResource
0x084A0002 ExportIntegrityVerificationSeed
0x084B0002 ImportIntegrityVerificationSeed
0x084C0242 FormatSaveData
0x084D0102 GetLegacySubBannerData
0x084E0342 UpdateSha256Context
0x084F0102 ReadSpecialFile
0x08500040 GetSpecialFileSize
0x08520100 Unknown (u32 flags, u64 extdataID)
0x08620040 ?
0x08630000 ?

File service

Command Header Description
0x000100C6 Dummy1
0x040100C4 Control
0x08010100 OpenSubFile
0x080200C2 Read
0x08030102 Write
0x08040000 GetSize
0x08050080 SetSize
0x08060000 GetAttributes
0x08070040 SetAttributes
0x08080000 Close
0x08090000 Flush

Directory service

Command Header Description
0x000100C6 Dummy1
0x040100C4 Control
0x08010042 Read
0x08020000 Close

Filesystem service "fs:LDR"

This service is identical to fs:USER, except FS:OpenArchive archive 0x2345678E can only be accessed with fs:LDR.

ProgramRegistry service "fs:REG"

Command Header Description
0x000100C6 Dummy1
0x040103C0 Register
0x04020040 Unregister
0x040300C0 GetProgramInfo
0x04040100 LoadProgram
0x04050080 UnloadProgram
0x04060080 CheckHostLoadId