From: Heiko Schocher <xeidos@gmx.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] a few questions about saving bootcount in the environment
Date: Wed, 27 Jul 2016 17:10:13 +0200 [thread overview]
Message-ID: <5798CED5.6080401@gmx.net> (raw)
In-Reply-To: <alpine.LFD.2.20.1607270800590.25952@localhost.localdomain>
Hello Robert,
Am 27.07.2016 um 14:03 schrieb Robert P. J. Day:
> On Tue, 26 Jul 2016, Heiko Schocher wrote:
>
> ... snip ...
>
>>> it appears that, no matter what, the environment *is* updated
>>> every single time because of this line in the bootdelay_process()
>>> routine:
>>>
>>> setenv_ulong("bootcount", bootcount);
>>>
>>> why? it seems, from the above, that no matter what boot counter
>>
>> Yes, the bootcount variable gets set here ... but the environment
>> gets not written...
>>
>>> mechanism you use, the environment will be updated because of that
>>> line.
>>
>> The Environment gets written when saveenv() gets called ... or?
>
> ... snip ...
>
> yes, i already apologized to wolfgang for being so clueless, i
> didn't see the difference between "setenv" and "saveenv". anyway, i'm
> still writing a wiki page on this that i can use for future embedded
> linux classes, so ... onward.
no problem, I saw your response to wolfgang to late ...
bye,
Heiko
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
next prev parent reply other threads:[~2016-07-27 15:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-23 17:29 [U-Boot] a few questions about saving bootcount in the environment Robert P. J. Day
2016-07-25 4:57 ` Wolfgang Denk
2016-07-25 13:57 ` Tom Rini
2016-07-25 14:35 ` Wolfgang Denk
2016-07-25 17:56 ` Robert P. J. Day
2016-07-25 18:37 ` Wolfgang Denk
2016-07-25 18:41 ` Robert P. J. Day
2016-07-25 17:26 ` Heiko Schocher
2016-07-26 12:21 ` Robert P. J. Day
2016-07-26 12:48 ` Wolfgang Denk
2016-07-26 12:49 ` Robert P. J. Day
2016-07-26 17:25 ` Heiko Schocher
2016-07-27 12:03 ` Robert P. J. Day
2016-07-27 15:10 ` Heiko Schocher [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-07-25 14:36 Wolfgang Denk
2016-07-22 19:36 [U-Boot] confused by "upgrade_available=0\0" in include/configs/taurus.h Robert P. J. Day
2016-07-22 22:01 ` Wolfgang Denk
2016-07-23 11:42 ` Robert P. J. Day
2016-07-25 4:54 ` Wolfgang Denk
2016-07-25 10:03 ` Robert P. J. Day
2016-07-25 13:26 ` Wolfgang Denk
2016-07-25 17:24 ` [U-Boot] a few questions about saving bootcount in the environment Heiko Schocher
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