Difference between revisions of "Savegames"

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Line 129: Line 129:
  
 
* Generally follows DPFS, similar to 3DS.
 
* Generally follows DPFS, similar to 3DS.
 +
 +
{| class="wikitable"
 +
|-
 +
! Start
 +
! Length
 +
! Description
 +
|-
 +
| 0x00
 +
| 4
 +
| Magic ("IVFC")
 +
|-
 +
| 0x04
 +
| 4
 +
| Magic Number (0x20000)
 +
|-
 +
| 0x08
 +
| 8
 +
| Master hash size?
 +
|-
 +
| 0x10
 +
| 8
 +
| Level 1 offset
 +
|-
 +
| 0x18
 +
| 8
 +
| Level 1 size
 +
|-
 +
| 0x20
 +
| 4
 +
| Level 1 block size, in log2
 +
|-
 +
| 0x24
 +
| 4
 +
| Reserved
 +
|-
 +
| 0x28
 +
| 8
 +
| Level 2 offset
 +
|-
 +
| 0x30
 +
| 8
 +
| Level 2 size
 +
|-
 +
| 0x38
 +
| 4
 +
| Level 2 block size, in log2.
 +
|-
 +
| 0x3C
 +
| 4
 +
| Reserved
 +
|-
 +
| 0x40
 +
| 8
 +
| Level 3 offset
 +
|-
 +
| 0x48
 +
| 8
 +
| Level 3 size
 +
|-
 +
| 0x50
 +
| 4
 +
| Level 3 block size, in log2.
 +
|-
 +
| 0x54
 +
| 4
 +
| Reserved
 +
|-
 +
| 0x58
 +
| 8
 +
| Level 4 offset
 +
|-
 +
| 0x60
 +
| 8
 +
| Level 4 size
 +
|-
 +
| 0x68
 +
| 4
 +
| Level 4 block size, in log2.
 +
|-
 +
| 0x6C
 +
| 4
 +
| Reserved
 +
|-
 +
| 0x70
 +
| 48
 +
| Unknown, reserved?
 +
|-
 +
| 0xA0
 +
| 32
 +
| Hash
 +
|-
 +
|}
  
 
==== JNGL ====
 
==== JNGL ====

Revision as of 18:13, 3 July 2017

This page describes the format of savegames contained in NAND.

AES CMAC header

Image offset Length Description
0x00 0x10 AES-CMAC
0x10 0xF0 Zero padding

DISF

  • This is located @ 0x100 in the image, following the CMAC header.
Start Length Description
0x000 4 Magic ("DISF")
0x004 4 Magic Number (0x40000)
0x008 32 Hash
0x028 8 Primary Partition Table Offset
0x030 8 Primary Partition Table Size
0x038 8 Secondary Partition Table Offset
0x040 8 Secondary Partition Table Size
0x048 8 Save Partition Offset
0x050 8 Save Partition Size
0x258 End

DPFS

  • This is located @ 0x200 in the image, following DISF.
  • Block sizes are log2
Start Length Description
0x00 4 Magic ("DPFS")
0x04 4 Magic Number (0x10000)
0x08 8 Offset 0
0x10 8 Size 0
0x18 8 Block Size 0
0x20 8 Offset 1
0x28 8 Size 1
0x30 8 Block Size 1
0x38 8 Offset 2
0x40 8 Size 2
0x48 8 Block Size 2

IVFC

  • Generally follows DPFS, similar to 3DS.
Start Length Description
0x00 4 Magic ("IVFC")
0x04 4 Magic Number (0x20000)
0x08 8 Master hash size?
0x10 8 Level 1 offset
0x18 8 Level 1 size
0x20 4 Level 1 block size, in log2
0x24 4 Reserved
0x28 8 Level 2 offset
0x30 8 Level 2 size
0x38 4 Level 2 block size, in log2.
0x3C 4 Reserved
0x40 8 Level 3 offset
0x48 8 Level 3 size
0x50 4 Level 3 block size, in log2.
0x54 4 Reserved
0x58 8 Level 4 offset
0x60 8 Level 4 size
0x68 4 Level 4 block size, in log2.
0x6C 4 Reserved
0x70 48 Unknown, reserved?
0xA0 32 Hash

JNGL

  • Generally follows IVFC
Start Length Description
0x00 4 Magic ("JNGL")
0x04 4 Magic Number (0x10000)
0x08 8 Savedata Size
0x10 8 Unknown, Size
0x18 8 Savedata Blocksize?
0x20 4 Unknown
0x24 4 Unknown
0x28 8 Unknown
0x30 464 Padding?

SAVE

  • Generally follows JNGL, structure is different from 3DS.
Start Length Description
0x00 4 Magic ("SAVE")
0x04 4 Magic Number (0x60000)
0x08 8 Unknown, number
0x10 8 Unknown, block size
0x18 8 Unknown, block size
0x20 8 Unknown

RMAP

  • There are generally two RMAP blocks in sequence.
Start Length Description
0x00 4 Magic ("RMAP")
0x04 4 Magic Number (0x10000)
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