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Date: Thu, 19 Nov 2015 10:23:47 -0800 (PST)
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Subject: Re: Stanford's Pintos Course
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Date: 2015-11-19T10:23:47-08:00
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On Thursday, November 19, 2015 at 1:22:50 AM UTC, Nick Gordon wrote:
> 
> I haven't looked through it terribly thoroughly, but I'd like to know if any
> of the venerable here have experience with this system, or can recommend
> any other "frameworks" for developing OS-level code in Ada.

Take a look at Xavier Grave's Lovelace kernel:

http://sourceforge.net/p/lovelaceos/code/ci/lovelace-dev/tree/phase_II/src/kernel/

If I remember correctly it's based on a well-documented C Unix-like (minimal) OS, but may take a bit of work to dredge up the docs.