2 eddy flash memory map, 3 eddy directory structure, 2 eddy flash memory map -14 – Solvline Eddy DK Ver 2.20 User Manual

Page 22: 3 eddy directory structure -14, Eddy directory structure

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Chapter 2. Getting Started

2.5.2

Eddy Flash Memory Map

Start address (size)

Item

Description

0x10000000 (4Kbyte)

BootStrap

Initialize hardware and calls bootloader
from flash memory to the RAM and
execute the bootloader.

0x10002000 (112Kbyte)

Bootloader

The Eddy boot loader is stored.

0x1001E000 (1.344Mbyte)

Kernel

Lemonix OS kernel is stored.

0x1012E000 (2.56MByte)

Filesystem

Various execution files are stored.

0x103AE000(64Kbyte)

0x103AE000(4.25Mbyte)

4MB: Configuration

8MB: Configuration

& User Memory

Information for system operating
environment is stored, and user can write
the user's data as remained size,

So user who use the 8M flash version can
used about 4MB flash memory.

2.5.3

Eddy directory structure

The Eddy file system consists of the following directories:

Name

Description

Access authority

/bin, /sbin,

/lib, /etc

Executables and system utilities

Read & Write

/dev Device

file

Read

&

Write

/tmp

Tmp file system area of 15M bytes. The size of this
area is flexible; when application run by Eddy
requires more memory, this area can be reduced.

We recommend user to use this area for uploading
file through FTP.

Read & Write

/usr

Various program needed for the system and web
files

Read & Write

/flash

This is flash area which stores files that have to be
remained even if the power is reset, such as
environment setting. This area provides 64 KB
(4MB flash version) or 4.25MB(8MB flash
version)..

Read & Write

The Eddy’s entire folders are open for read & write. All loaded files are deleted after reboot except the data stored in

/flash.

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