On 21/04/2022 19:16, Basil Hussain wrote:
>
> Maybe when RM0016 says "The stack roll-over limit is not implemented
> on all devices", they actually mean that "a limit does not exist",
> rather than "a limit exists, but does not automatically roll over".
> Because, I guess, thinking about it, what would be the point of the
> latter?
I suspect that what it means is that only S and AF parts covered by
RM0016 implement roll-over limits and you should not assume other
variants are the same. I guess there's some regulation in the automotive
world that says stack space must be clearly defined and {over,under}flow
must never be allowed to trash non-stack data. I can't see any other
reason for going to the expense unless not doing it would lose a hefty
chunk of market.
Mike
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