From: Simon Wright <simon@pushface.org>
Subject: Re: setting an address with pure?
Date: Tue, 14 Jul 2015 08:38:36 +0100
Date: 2015-07-14T08:38:36+01:00 [thread overview]
Message-ID: <lyvbdnjiir.fsf@pushface.org> (raw)
In-Reply-To: 2a4e8a0e-312c-4c99-977c-a1d1f41c3226@googlegroups.com
"RasikaSrinivasan@gmail.com" <RasikaSrinivasan@gmail.com> writes:
> Does it have to be pure?
>
> I use Pragma Restrictions( No_Elaboration_Code );
I don't have any objection to elaboration code per se, I just wanted to
get as near to Pure as I could.
I did use that restriction for a Cortex Reset_Handler, which is called
by the hardware before any elaboration occurs at all.
> then :
>
> DACMAP : DAC_CR_Type
> with Volatile ,
> Address => System'To_Address( 16#NNNN_NNNN# ) ;
>
> I am not sure if this is what you are aiming for but appears to work
> so for. NNNN_NNNN above is the base address of the DAC map as provided
> by the STM32 Ref Manual.
This was just what I wanted, thanks very much!
This is actually in the secret documentation: I would refer to the
gcc.gnu.org version, but it's unreachable at this moment.
http://docs.adacore.com/gnat_rm-docs/html/gnat_rm/gnat_rm/implementation_defined_attributes.html#attribute-to-address
next prev parent reply other threads:[~2015-07-14 7:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 11:48 Q: setting an address with pure? Simon Wright
2015-07-10 12:03 ` G.B.
2015-07-10 14:38 ` Simon Wright
2015-07-10 22:37 ` Randy Brukardt
2015-07-11 7:47 ` Simon Wright
2015-07-13 19:10 ` Randy Brukardt
2015-07-14 9:36 ` Mark Lorenzen
2015-07-13 23:41 ` RasikaSrinivasan
2015-07-14 7:38 ` Simon Wright [this message]
2015-07-14 7:42 ` Simon Wright
2015-07-11 10:35 ` Q: " Brian Drummond
2015-07-11 13:30 ` Simon Wright
2015-07-11 14:03 ` AdaMagica
2015-07-11 14:27 ` Simon Wright
2015-07-13 18:53 ` Randy Brukardt
2015-07-13 19:50 ` Simon Wright
2015-07-14 12:24 ` Brian Drummond
2015-07-15 15:50 ` rrr.eee.27
2015-07-15 18:45 ` Simon Wright
2015-07-16 9:21 ` Brian Drummond
2015-07-16 18:54 ` Simon Wright
2015-07-16 19:14 ` Randy Brukardt
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox