Hi, > I'm currently involved in a project that requires to change a few mac > timings and other stuff: this is the reason I'm very interested in > decoding the Broadcom firmware, it could be a good development > platform without having to buy code and sign NDAs.
It could, if we understood how it worked. > I spent a couple of day trying to collect all documents about what > Broadcom has acquired before 1999 and that could have been > implemented into AirForce Mac Processors. I didn't find anything that > was explicitly saying "we are using this core". I have now a few > conjectures about the library used to build the chip, let's say a few > candidate: > > - E14 firepath > - Trimedia CPU64 > - A kind of ARM core mixed with a FPGA lib > > I discovered some patents talking about wifi network and the CPUs of > above. Do you have any idea? > > I also discovered this url http://www.arm.com/iqonline/news/ > partnernews/15399.html check it out for future drivers. Hmm. I sort of did similar research a while ago but never found anything I thought was related. I'm pretty sure though that for example tg3 ethernet uses MIPS cores. > And I would very be pleased to know how did you pointed out the > meaning of the opcode in the website. Well, we simply tried all those we found in existing firmware by running them on the device and seeing what changed, and then taking some common sense together to fill the gaps. johannes
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