From: Simon Wright <simon@pushface.org>
Subject: Re: silly ravenscar question
Date: Sat, 28 Feb 2015 20:23:18 +0000
Date: 2015-02-28T20:23:18+00:00 [thread overview]
Message-ID: <ly7fv13hvt.fsf@pushface.org> (raw)
In-Reply-To: 75dcf991-a485-4ad0-9ec9-51572116b5d8@googlegroups.com
jan.de.kruyf@gmail.com writes:
> 32 bits? that wont do. for time synching you need 64 bits. . .
Yes, I suppose so, but I've not yet needed to convert Duration to
Time_Span or vice versa .. will post bug report to myself.
> Where exactly does the system drop from supervisor mode into user mode?
> and also where is the silly routine to go back into supervisor mode?
I think it's in s-bbcppr.adb, Pend_SV_Handler.
I may well be wrong, but doesn't the Cortex switch to supervisor mode
automatically when an interrupt occurs?
next prev parent reply other threads:[~2015-02-28 20:23 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 9:07 silly ravenscar question jan.de.kruyf
2015-02-24 10:29 ` Dmitry A. Kazakov
2015-02-24 11:11 ` jan.de.kruyf
2015-02-24 13:38 ` Dmitry A. Kazakov
2015-02-25 8:48 ` jan.de.kruyf
2015-02-25 10:46 ` Dmitry A. Kazakov
2015-02-25 17:35 ` jan.de.kruyf
2015-02-25 17:55 ` Dmitry A. Kazakov
2015-02-26 8:48 ` jan.de.kruyf
2015-02-26 9:47 ` Dmitry A. Kazakov
2015-02-26 12:07 ` jan.de.kruyf
2015-02-26 19:09 ` jan.de.kruyf
2015-02-27 8:58 ` Dmitry A. Kazakov
2015-02-28 19:57 ` jan.de.kruyf
2015-03-01 9:27 ` Dmitry A. Kazakov
2015-03-03 8:42 ` jan.de.kruyf
2015-03-03 10:57 ` Dmitry A. Kazakov
2015-02-24 11:02 ` Jacob Sparre Andersen
2015-02-24 11:23 ` jan.de.kruyf
2015-02-24 13:43 ` Bob Duff
2015-02-25 9:07 ` jan.de.kruyf
2015-02-25 17:50 ` Simon Wright
2015-02-26 7:35 ` jan.de.kruyf
2015-02-26 14:57 ` Simon Wright
2015-02-26 19:36 ` jan.de.kruyf
2015-02-27 8:45 ` Simon Wright
2015-02-27 9:59 ` jan.de.kruyf
2015-02-28 9:57 ` Simon Wright
2015-02-28 19:08 ` jan.de.kruyf
2015-02-28 20:23 ` Simon Wright [this message]
2015-03-03 8:52 ` jan.de.kruyf
2015-02-24 15:30 ` Brad Moore
2015-02-24 16:52 ` Simon Wright
2015-02-25 3:01 ` Dennis Lee Bieber
2015-02-24 11:22 ` slos
2015-02-24 12:16 ` jan.de.kruyf
2015-02-24 11:24 ` J-P. Rosen
2015-02-24 12:10 ` jan.de.kruyf
2015-02-24 13:58 ` Simon Wright
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