Am 21.06.2014 08:06, schrieb ron minnich: > very interesting. Thing is, this is pretty much the antithesis of > build-time serial number creation ... which is the thing that I don't > see scaling. Right now we compile any serial number right into .text, and modifying that is not a good idea (plus, updaters won't be able to handle that properly either).
By storing the ID somewhere (be that at a magic location or in CBFS) at least there's the possibility of keeping it around when updating the same way it's currently done. In the end, I pose the question why a serial number must be exported to the OS in the first place - this looks like a potential privacy issue to me, while doing nothing for servicing the part (if it's sent back, read the bar code). Given the possibility of runtime modifying the values (in a preboot loader), it doesn't even function as some cheap DRM scheme. Which brings us back to the original question ;-) Patrick
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