Property:split firmware

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BoxMatrix >> Configuration >> split_firmware

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Firmware-File

This file is part of a firmware update image. It's only present at the specified path during the update.

File:	split_firmware   -   type Exec	Wiki	Freetz	IPPF	whmf	AVM	Web
Location:	Configuration >> Firmware-Files   -   Origin: AVM
Path:	Release: /var Lab+Rel: /var
Properties:	Size: 32.3k   -   Firmware: 1.120 - 3.94
Function:	Split a firmware image into fixed size parts

Goto:   Model-Matrix   -   SMW-Browser

Details

split_firmware is a statically linked tool to split a firmware image into fixed size parts.

fbf 1.135 help:

split_firmware: -i <input-file> -1 <output-1-file> [-s buffersize-1] [-S buffersize-2]

This help lacks the -2 <output-2-file> part. The buffersizes must be hexadecimal.

The output images are fixed size, regardless of the input. If the input is bigger than the
first buffer it will overlap into the second buffer, otherwise the second buffer is untouched.

Examples

From fbf 1.135 post_install created by install: - the input file is 2.3 MB.

split_firmware -i filesystem.image -s 0x2B0000 -S 0x50000 -1 /var/tmp/filesystem.1.image  -2 /var/tmp/filesystem.2.image

filesystem.1.image is is the 2.7 MB filesystem which goes to mtd0 (linux):

copy_firmware -u -i /var/tmp/filesystem.1.image -o /dev/mtdblock/0

filesystem.2.image is 320 KB untouched, 2x 128 KB TFFS + 64KB for the old_config - the combo goes to mtd3 (linux):

flash_tffs -H /var/tmp/filesystem.2.image -s 0x10000 -c /var/old_config -t 0x20000 -o /var/tmp/mtd3.image
copy_firmware -u -i /var/tmp/mtd3.image  -o /dev/mtdblock/3

old_config is the old envorinment preserved by install_env:

cat /proc/sys/dev/adam2/environment >/var/old_config

Model-Matrix

Daily updated index of the presence, path and size of this file for each model. Last update: 2024-05-02 05:07 GMT.
Showing all models using this file. Click any column header (click-wait-click) to sort the list by the respective data.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.

Model	Firmware	Path	Size
FRITZ!Box	3.29 - 3.87	/var	32.3k
FRITZ!Box SL	3.48 - 3.94	/var	32.3k
FRITZ!Box SL WLAN	3.29	/var	32.3k
FRITZ!Box WLAN 3020	3.29	/var	32.3k
FRITZ!Box Fon ata	3.29	/var	32.3k
FRITZ!Box Fon ata 1020	3.29	/var	32.3k
FRITZ!Box Fon	1.120 - 3.29	/var	32.3k
FRITZ!Box Fon 5050	3.29	/var	32.3k
FRITZ!Box Fon WLAN	3.29	/var	32.3k
FRITZ!Box Fon WLAN 7050	3.29	/var	32.3k
Eumex 300 IP	3.29	/var	32.3k
11 models use this file

SMW-Browser

Property:split firmware

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