nexmon – Blame information for rev 1
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1 | office | 1 | BCM43XX Linux Driver Project |
2 | ============================ |
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3 | |||
4 | |||
5 | About this software |
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6 | ------------------- |
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7 | |||
8 | b43-fwcutter is a tool which can extract firmware from various source files. |
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9 | It's written for BCM43xx driver files. |
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10 | |||
11 | The project page is http://bcm43xx.berlios.de/ |
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12 | |||
13 | |||
14 | Usage |
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15 | ----- |
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16 | |||
17 | b43-fwcutter FILE extracts the firmware from a source FILE to |
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18 | the current directory, creating a directory |
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19 | "b43" or "b43legacy" with files in it. |
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20 | b43-fwcutter -i FILE identify the driver file; print information |
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21 | but don't extract. |
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22 | b43-fwcutter -w /tmp FILE extract and write firmware to /tmp. |
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23 | b43-fwcutter -l prints a list of supported driver source files. |
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24 | |||
25 | After extraction, copy the "b43" or "b43legacy" directory to your firmware |
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26 | directory (usually /lib/firmware or similar, see below). Alternatively you |
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27 | can use the -w option to b43-fwcutter. |
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28 | |||
29 | Different distributions use different directories to load firmware from. |
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30 | If the driver complains about missing firmware files look for the correct |
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31 | directory. For some distributions you have to use /lib/hotplug/firmware |
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32 | or /usr/lib/hotplug/firmware but other directories are also possible. |
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33 | |||
34 | Because firmware file are stored in big endian, extraction doesn't depend |
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35 | on the system you're using. You can use extracted firmware from any driver |
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36 | on any system and also copy the extracted files to any other system (e.g. |
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37 | if extraction on the target system isn't feasible.) |
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38 | |||
39 | |||
40 | Where can I find some driver source files? |
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41 | ------------------------------------------ |
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42 | |||
43 | Please check the references at |
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44 | http://www.linuxwireless.org/en/users/Drivers/bcm43xx#devicefirmware |
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45 | |||
46 | It is recommended that you extract firmware for both b43 and b43legacy in |
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47 | order to support both types of cards on your system. |