CNMT
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Metadata file
This is the file that ends in ".cnmt.nca" or "meta0.ncd".
It starts with a header:
| Offset | Size | Description |
|---|---|---|
| 0x0 | 8 | Title ID |
| 0x8 | 4 | |
| 0xC | 1 | Type (see Title Types) |
| 0xD | 1 | |
| 0xE | 2 | Offset to table |
| 0x10 | 2 | Number of entries |
| 0x12 | 14 |
An optional header can follow, depending on the title type.
Application header
| Offset | Size | Description |
|---|---|---|
| 0x20 | 8 | Patch title ID |
| 0x28 | 8 |
Patch header
| Offset | Size | Description |
|---|---|---|
| 0x20 | 8 | Original title ID |
| 0x28 | 8 |
Add-on content header
| Offset | Size | Description |
|---|---|---|
| 0x20 | 8 | Application title ID |
| 0x28 | 8 |
Content records
Each entry is 0x38 bytes:
| Offset | Size | Description |
|---|---|---|
| 0x0 | 32 | Hash |
| 0x20 | 16 | NcaId [same as first 16-bytes of hash] |
| 0x30 | 6 | Size |
| 0x36 | 1 | Type (0=meta, 1=program, 2=data, 3=control, 4=offline-manual html, 5=legal html) |
| 0x37 | 1 |