yargil

flashimg

flashimg is a tool used to create and handle flash memory image file.
You can read/write a binary file from/to a partition of your flash memory image file.
Very useful with Qemu.

Compilation and installation

Download the source code : 
git clone git://gitorious.org/flashimg

And now, the classic: 

$ ./autogen.sh
$ ./configure
$ make
$ sudo make install

Usage

Flashimg need a partition file to define all the partitions of your flash image file. Syntax: 

flashimg -s [size] -t [flash type] -f [image file] -p [partition file] -w [partition name to write],[file] -r [partition name to read],[file]

-s size
Size of the flash memory image file. The value can be write whith suffix K, M and G for KByte, MByte and GByte.
-t type
Type of the flash nor or nand.
-f file
Output file name.
-p file
Partition file name
-w partition,file
Write a file to a partition in flash image file.
-r partition,file
Read partition from flash image file and write to file.
-z size
Sector size of the flash (NAND flash only). 256, 512 or 2048.

Example for a 2MB file called nor.img where write the kernel and bootloader partition: 

$ flashimg -s 2M -t nor -f nor.img -p boot.part -w boot,/.../bootloader/boot.bin -w kernel,/.../linux/arch/arm/boot/zImage

The partition file

The partition file format is one line per partition. Each line is the partition name, the partition length and the partition offset in flash.

Partition file example : 
boot    0x00040000      0x00000000
env     0x00020000      0x00040000
kernel  0x00500000      0x00060000
root    0x03aa0000      0x00560000

Info

License: GNU GPL v2

Source code : Browse the source

Download tarball :flashimg-flashimg-master.tar.gz

Clone with git, URL:

  • git://gitorious.org/flashimg/flashimg.git
  • https://gitorious.org/flashimg/flashimg.git

Home page on gitorious: https://gitorious.org/flashimg