NCM services

ncm

Cmd	Name	Notes
0		Takes a u8 as input.
1		Takes a u8 as input.
2		Takes a u8 as input.
3		Takes a u8 as input.
4	GetContentStorage
5	GetContentMetaDatabase
8		Takes a u8 as input.
9	InitializeStorageForMediaId
10	UninitializeStorageForMediaId
11	InitializeDatabaseForMediaId
12	UninitializeDatabaseForMediaId

IContentStorage

Cmd	Name	Notes
0	#GetRootEntry
1		Takes two 0x10-sized entries, and a u64.
2		Takes a 0x10-sized entry.
3		Takes a 0x10-sized entry, returns a bool/u8.
4		Takes a 0x10-sized entry, a u64, and type-5 array.
5		Takes two 0x10-sized entries.
6	DeleteContent?	Takes a 0x10-sized entry.
7		Takes a 0x10-sized entry, returns a bool/u8.
8		Takes a type-0x1A string and a 0x10-sized entry.
9		Takes a type-0x1A string and a 0x10-sized entry.
10		Void.
11		Takes a type-6 buffer, each entry 0x10 bytes, and returns a u32.
12	#GetNumberOfEntries
13	#GetEntries
14	GetEntrySize
15		Void.
16		Takes three 0x10-sized entries.
17		Takes a 0x10-sized entry and a u64.
18	#ReadEntryRaw
19		Takes a 0x10-sized entry and returns another 0x10-sized entry.
20		Takes a 0x10-sized entry and returns another 0x10-sized entry.
21		Takes a 0x10-sized entry, a u64, and a type5 buffer.
22	GetFreeSpace
23	GetTotalSpace

GetRootEntry

Returns an entry of 16 completely random-looking bytes. Changes on reboot?

GetEntries

Takes a u32 offset and gets all entries starting at that offset. Returns number of entries read.

Each entry is 16 completely random-looking bytes.

ReadEntryRaw

Takes an output buffer, a 16-byte entry as input, and a u64 file offset.

Returns encrypted looking data.

IContentMetaDatabase

Cmd	Name	Notes
0	InsertContentEntry?	Takes a 0x10-sized entry, a type-5 buffer and a u64.
1		Takes a 0x10-sized entry, a type-6 buffer and a u64. Returns a u64.
2		Takes a 0x10-sized entry.
3		Takes a 0x10-sized entry and a bool/u8. Returns an 0x10-sized entry.
4		Takes a type-6 buffer, each entry being 24 bytes, 0x10-sized entry and a u32. Returns a u32.
5	Iterate	Takes a type-6 buffer, each entry being 16 bytes, a 0x10-sized entry, and a u32. Returns a u32.
6		Takes a u64. Returns a 0x10-sized entry.
7
8
9
10
11
12
13
14
15	EndIteration
16
17
18
19