[A83] Re: What is the problem with flash writes (in general)
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[A83] Re: What is the problem with flash writes (in general)
> > From: "Hyperbyte" <hyper@hysoft-automation.com>
> >
> > Simply put, no user-program can do it.
> >
> > Explanation:
> > The flash chip has a "write enabled" line,
> > only if this line has specific signal, one can write to the flash
> >
> > Now one could simply set this signal, if TI hadn't prevented that,
> > they've somehow made it only possible for certain OS Rompages to
> > set that value.
> >
> > (I think it's kinda obsolete now, since TI's released the app signing key,
> > but I doubt they'll insert _FlashWE and _FlashWD romcalls in new OS'es)
> >
> > You could hardware hack that WE line, but then your program wouldn't be
> distributable...
>
> Or, you can make your own OS, I mean TI-OS, which implements a routine that
> enables writing to flash......
How are you planning on signing that custom 'TI'-OS?
AFAIK, OS'es need to be signed too, and I can't see how TI would be
as stupid as to sign it's OS'es with the freeware private key.
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