IdStorage
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See also [1].
Description
Region of the PSVita eMMC where perconsole info is stored.
Location
Idstorage data is stored at first raw partition (code 0x1). Use [2] to extract.
Structure
On PSVita, 128 leaves exist. Some are empty, others are unique, and there are others which are duplicated. All leaves are of size 512 bytes.
First 0x20 * 0x200 bytes of the IDStorage eMMC partition is the index table, an array of 2-byte integers, which maps idstorage leaf to idstorage index. To find the index of a leaf, go through the array and note index of the element with the value of the desired leaf. Then, seek to 512 * index and read out the leaf data.
Content
Table of leaves
| Leaf Index | Empty? | Unique? | Notes |
|---|---|---|---|
| 0x00 | No | No | 0x20 is equal to 0x00 |
| 0x01 | No | No | 0x21 is equal to 0x01 |
| 0x02 | No | No | 0x22 is equal to 0x02 |
| 0x03 | No | No | 0x23 is equal to 0x03 |
| 0x04 | No | No | 0x24 is equal to 0x04 |
| 0x05 | No | No | 0x25 is equal to 0x05 |
| 0x06 | No | No | 0x26 is equal to 0x06 |
| 0x07 | No | No | 0x27 is equal to 0x07 |
| 0x08->0x1F | Yes | No | |
| 0x28->0x3F | Yes | No | |
| 0x40 | No | Yes | |
| 0x41 | No | Yes | |
| 0x42 | No | Yes | |
| 0x43 | No | Yes | |
| 0x44 | No | Yes | Some parts signatures |
| 0x45 | No | Yes | |
| 0x46 | No | Yes | |
| 0x47 | No | Yes | |
| 0x48 | No | Yes | |
| 0x49 | No | Yes | |
| 0x4A | No | Yes | |
| 0x4B->0x7D | Yes | No | |
| 0x7E | No | Yes | |
| 0x7F | Yes | No | |
| 0x80 | No | Yes | Special leaf with "SMI" header. SMI data: factory firmware encrypted and signed. Contains minver at offset 0x08 (size 4 bytes). |
| 0x115 | No | Yes | Model strings + 0xFF padding. |