b43-fwcutter man page
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)
- -w|--target-dir DIR
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