free firmware for 88W8388

[Dan Williams]

On Wed, 2008-01-23 at 21:03 +0100, Rózsás Gödény wrote:
> Hi
> 
> 
>         I hope you can make options to start with any of the 3
>         firmwares. 
>         Perhaps I wish to try writing a boot1 or boot2.

Um, Boot1 is burned into ROM on the 8388 and you probably can't change
that without a lot of voodoo magic :)

Only Boot2 and the post-boot firmware are loadable.

Dan

> yes, that is an option
>  
> 
>         
>         
>         > - modify qemu so that i/o ports of 8388 could be accessed
>         from
>         > outside of the emulator. I guess that the arm core of 8388
>         > communicates with the other parts (the radio interface) via 
>         > io ports so if we can see which ports are read/written by
>         the
>         > arm core we can do the same from the free firmware.
>         
>         
>         "accessed from outside"? (to just view them, to hook them up
>         to
>         something, etc.?)
> 
> what I mean is that whenever the firmware inside the emulator writes
> an io port the emulator forwards it to a named pipe
> also the emulator reads that pipe and sends data the other way around,
> too 
> 
> then a simple perl script can play the "radio part", we can log what
> the core sends and we can try to inject data into the firmware
> as if it came from the air interface
> it may or may not work :)
> 
> 
> regarding the legality of this: I have the firmware from olpc image
> and never agreed to Marvell's conditions that are mentioned on the
> wiki
> still I don't want to reverse engineer the firmware
> what I suggest is similar to the approach of the samba team, they
> listened on the ethernet interface and tried to understand the bits
> and bytes then they replayed the traffic with their own code. 
> we can listen in the io ports or whatever is necessary and replay it
> from out own firmware without looking into the firmware itself
> I guess samba team had a few windows machines (client and server) to
> generate the traffic so we can use the firmware to generate the
> traffic, too 
> 
> I'm rather worried about 802.11s, if we implement it following the
> standard we might have some trouble because of patent trolls. 
> 
> 
> 
> -- 
> Rózsás Gödény
> 
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