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.
to cut the firmware out of bcmwl5.sys
List supported driver versions
Only identify the driver file (don’t extract)
Extract and write firmware to DIR
Extract alternative initvals (only 3.10.x.x)
Print b43-fwcutter version
Print help information
b43 development team, http://wireless.kernel.org/en/users/Drivers/b43