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From: Lucretia <laguest9000@googlemail.com>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for pointers about creating a custom GNAT runtime
Date: Wed, 25 Apr 2012 08:24:34 -0700 (PDT)
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Date: 2012-04-25T08:24:34-07:00
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On Wednesday, April 25, 2012 9:44:13 AM UTC+1, Hibou57 (Yannick Duch=EAne) =
wrote:
> Hi all happy Ada prose authors,
>=20
> I am seeking for some pointers, basic advices, about creating a custom =
=20
> runtime for GNAT.
>=20
> That's basically for a kind of toy for me: a minimal bootable environment=
 =20
> in which I will mainly play with some assembly and run some experiment. =
=20
> However, I will also need a minimal environment, like a minimal text =20
> editor and a minimal terminal emulation, among others fundamental stuff, =
=20
> and don't feel OK doing this in either assembly or C. Note that I am not =
=20
> announcing a new OS in Ada, I'm not that silly, that's just planed to be =
a =20
> toy for some personal experiments.
>=20
> Any pointers welcome. I am not expecting anyone to do the stuff for me, =
=20
> just pointers.

I have done this on an ARM board, see the "blink" directory of https://gith=
ub.com/Lucretia/tamp, it does nothing but boot on a board. You can apply th=
e same idea for x86, you can use the --RTS flag to point to your new custom=
 RTS.

Luke.