b43-fwcutter − Utility for extracting Broadcom 43xx firmware
b43-fwcutter [OPTION] [DRIVER]
b43-fwcutter can extract the firmware for your Broadcom 43xx hardware from different closed source drivers. The b43 driver depends on these firmware files and can’t work without them.
Currently b43-fwcutter supports Apple MacOS X, Microsoft Windows and Linux drivers, but keep in mind that b43-fwcutter doesn’t support all driver versions.
Example:
b43-fwcutter bcmwl5.sys
to cut the firmware out of bcmwl5.sys
−l|−−list
List supported driver versions
−i|−−identify
Only identify the driver file (don’t extract)
−w|−−target−dir DIR
Extract and write firmware to DIR
−a|−−alt−iv
Extract alternative initvals (only 3.10.x.x)
−v|−−version
Print b43-fwcutter version
−h|−−help
Print help information
b43 development team, http://wireless.kernel.org/en/users/Drivers/b43