From: Daniel Helgason <dhelgason@shaw.ca>
To: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] Question about CYG_HAL_TABLE usage
Date: Fri, 11 Oct 2013 23:16:00 -0000 [thread overview]
Message-ID: <1381533382.4474.15.camel@saturn> (raw)
In-Reply-To: <l39rn8$hu$1@ger.gmane.org>
On Fri, 2013-10-11 at 21:48 +0000, Grant Edwards wrote:
> I'm working with an app that uses the CYG_HAL_TABLE macros for seveal
> different purposes. I've always thought that the "END" label was at
> the end of the "array" of objects, such that you can iterate a table
> like this:
>
>
> for (p = __foo_TAB__; p < __foo_TAB_END__; ++p)
> {
> // process object pointed to by p
> }
>
> But this seems not to be the case. At least for Cortex M3 targets The
> END label is aligned on an 8-byte boundary so that there may be up to
> 7 bytes of padding between the end of the table and the END label.
> ...
Yes, 8-byte alignment is the default alignment for entries in the
tables.
Check out hal/common/current/include/hal_tables.h and in particular
CYG_HAL_TABLE_TYPE macro. That should fix the problem.
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next prev parent reply other threads:[~2013-10-11 23:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 21:48 Grant Edwards
2013-10-11 23:16 ` Daniel Helgason [this message]
2013-10-12 15:19 ` [ECOS] " Grant Edwards
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