From: Roberto Bielli <roberto.bielli@domain.hid>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] preemptive doesn't work
Date: Tue, 10 Apr 2012 14:11:21 +0200 [thread overview]
Message-ID: <4F842369.2020504@domain.hid> (raw)
In-Reply-To: <4F84222D.7080808@domain.hid>
Il 10/04/2012 14:06, Gilles Chanteperdrix ha scritto:
> On 04/10/2012 02:05 PM, Roberto Bielli wrote:
>> Hi Gilles,
>>
>> i added this in configure of xenomai so i pass --enable-arm-mach=imx25
>>
>> imx25) arch=5
>> tsc_type=__XN_TSC_TYPE_FREERUNNING;;
>>
>> Furthermore in plat-mxc/include/mach/mxc.h explain which are cpumx2 and
>> imx25 is NOT mx2
>> #define cpu_is_mx2() (cpu_is_mx21() || cpu_is_mx27())
>>
>> i don't understand a things.
>> Does the tsc necessary to calculate correct timer period, or can i
>> disable tsc and xenomai continue work correctly ?
> Xenomai needs the tsc in kernel-space. Obviously, if you do not use the
> tsc in user-space, you will not see that it is wrong. Correct physical
> address is only needed for user-space.
>
>> However i cannot use tsc in my simple application. I resend the simple C
>> application that doesn't work.
> What do you mean you can not use the tsc in your application? What
> happens if you use it?
>
If i use tsc i have no error and i read a correct value.
--
+------------------------------------------------------------------------------------------------+
Roberto Bielli
Sviluppo Software
Axel S.r.l.
Via Del Cannino, 3
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Varese - Italy
Telefono: +39 0332 949600
Fax: +39 0332 969315
E-mail: roberto.bielli@domain.hid
Web Site: www.axelsw.it
+------------------------------------------------------------------------------------------------+
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next prev parent reply other threads:[~2012-04-10 12:11 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-02 10:42 [Xenomai-core] Xenomai server down Gilles Chanteperdrix
2012-03-06 7:55 ` [Xenomai-core] preemptive doesn't work Roberto Bielli
2012-03-06 9:22 ` Gilles Chanteperdrix
[not found] ` <4F55E390.8090706@domain.hid>
2012-03-06 12:09 ` [Xenomai-help] " Gilles Chanteperdrix
2012-03-06 13:00 ` Roberto Bielli
2012-03-06 13:04 ` Gilles Chanteperdrix
2012-03-06 15:14 ` Roberto Bielli
2012-03-06 15:20 ` Gilles Chanteperdrix
2012-03-06 15:35 ` Roberto Bielli
2012-03-06 16:16 ` Gilles Chanteperdrix
2012-03-07 12:59 ` Roberto Bielli
2012-03-07 13:44 ` Gilles Chanteperdrix
2012-03-07 18:13 ` Roberto Bielli
2012-03-13 10:45 ` [Xenomai-core] Fwd: " Roberto Bielli
2012-03-13 11:44 ` [Xenomai-core] " Gilles Chanteperdrix
2012-03-13 12:10 ` Gilles Chanteperdrix
2012-04-04 9:21 ` Gilles Chanteperdrix
2012-04-04 9:29 ` Roberto Bielli
2012-04-04 9:45 ` Gilles Chanteperdrix
2012-04-06 15:35 ` Roberto Bielli
2012-04-06 15:40 ` Gilles Chanteperdrix
2012-04-06 16:59 ` Roberto Bielli
2012-04-07 22:17 ` Gilles Chanteperdrix
2012-04-10 8:18 ` Roberto Bielli
2012-04-10 8:22 ` Gilles Chanteperdrix
2012-04-10 8:43 ` Roberto Bielli
2012-04-10 8:45 ` Gilles Chanteperdrix
2012-04-10 8:58 ` Roberto Bielli
2012-04-10 9:00 ` Gilles Chanteperdrix
2012-04-10 9:06 ` Gilles Chanteperdrix
2012-04-10 9:11 ` Gilles Chanteperdrix
2012-04-10 9:21 ` Roberto Bielli
2012-04-10 9:27 ` Gilles Chanteperdrix
2012-04-10 9:37 ` Gilles Chanteperdrix
2012-04-10 10:39 ` Roberto Bielli
2012-04-10 11:25 ` Gilles Chanteperdrix
2012-04-10 12:05 ` Roberto Bielli
2012-04-10 12:06 ` Gilles Chanteperdrix
2012-04-10 12:11 ` Roberto Bielli [this message]
2012-04-10 12:12 ` Gilles Chanteperdrix
2012-04-10 12:18 ` Roberto Bielli
2012-04-10 11:49 ` Gilles Chanteperdrix
2012-04-10 12:33 ` Roberto Bielli
2012-04-10 12:36 ` Gilles Chanteperdrix
2012-04-10 12:58 ` Roberto Bielli
2012-04-10 15:55 ` Gilles Chanteperdrix
2012-04-10 12:40 ` Gilles Chanteperdrix
2012-04-11 6:59 ` Roberto Bielli
2012-04-11 11:59 ` Gilles Chanteperdrix
2012-04-11 12:10 ` Gilles Chanteperdrix
2012-04-12 10:12 ` Roberto Bielli
2012-04-12 16:58 ` [Xenomai-core] porting xenomai on imx25 Roberto Bielli
2012-04-12 17:40 ` Gilles Chanteperdrix
2012-04-13 8:44 ` Roberto Bielli
2012-04-13 13:47 ` Gilles Chanteperdrix
2012-04-18 8:44 ` Roberto Bielli
2012-04-18 9:19 ` Gilles Chanteperdrix
2012-04-18 10:28 ` Roberto Bielli
2012-04-18 11:51 ` Gilles Chanteperdrix
2012-04-19 8:52 ` Roberto Bielli
2012-04-19 8:54 ` Gilles Chanteperdrix
2012-04-19 9:01 ` Roberto Bielli
2012-04-19 9:02 ` Gilles Chanteperdrix
2012-04-19 12:11 ` Gilles Chanteperdrix
2012-04-12 17:32 ` [Xenomai-core] preemptive doesn't work Gilles Chanteperdrix
2012-04-10 12:52 ` Gilles Chanteperdrix
2012-04-10 9:19 ` Roberto Bielli
2012-04-10 9:19 ` Gilles Chanteperdrix
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