1. Ramdisk format
The ramdisk can be created using the ramdisk building tool in
tools/ramdisk-writer. This section documents the structure of the ramdisk.
To build a ramdisk file, format the contents of each file you want to add as depicted below. Files and folders must not be written in any particular order.
1.1. Node structure
Byte order of all numeric values is LITTLE ENDIAN.
| Length in bytes | Type | Description |
|---|---|---|
1 |
Byte |
|
4 |
Integer |
Entry ID |
4 |
Integer |
ID of the parent entry |
4 |
Integer |
Name length in bytes |
<Name length> |
String |
Name content |
Entries of the type file additionally have the fields:
| Length in bytes | Type | Description |
|---|---|---|
4 |
Integer |
Data length in bytes |
<Data length> |
Bytes |
Data content |
1.2. Entry type constants
| Value | Type |
|---|---|
0 |
Folder |
1 |
File |