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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: SPARK 2014 and protected objects
Date: Wed, 31 Aug 2016 21:55:41 +0100
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Date: 2016-08-31T21:55:41+01:00
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Shark8 <onewingedshark@gmail.com> writes:

>> I had Protected_Value outside the PO because it's standing in for a
>> number of I/O registers communicating with devices on a shared SPI
>> bus via their /Chip Select lines. Not sure how to deal with the
>> concept of "a number of machine registers"!
>
> Well, if they're memory-mapped registers you could use something like:
> Regester_A : Word with Address => Location;

I meant rather how I was to get SPARK to handle them. I suppose one
could detail each individual register or even bit field, but as far as I
can see most folk just turn SPARK_Mode off.