From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/3] Add DMO RealQ7 board support
Date: Sat, 9 Mar 2013 20:03:55 +0100 [thread overview]
Message-ID: <20130309190355.GA19970@pengutronix.de> (raw)
In-Reply-To: <20130308154611.GG32347@game.jcrosoft.org>
On Fri, Mar 08, 2013 at 04:46:11PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 16:06 Fri 08 Mar , Sascha Hauer wrote:
> > On Fri, Mar 08, 2013 at 03:48:43PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > > > + .boot_data.size = 192 * 1024,
> > > > > barebox_image_size
> > > >
> > > > ok. This btw will not work with CONFIG_RELOCATABLE as is since the
> > > > linker cannot generate this value then.
> > > why?
> >
> > Absolute values will be zero when you link with -pie. They get fixed
> > during relocation.
> >
> > The image size is a relative value, when doing a
> >
> > .word __barebox_image_end - start
> >
> > in assembly it works correctly, but doing the same in C does not work.
> >
> > >
> > > otherwise we need to update it via ld as done in the kernel as example
> >
> > Can you give me a pointer what the kernel does?
>
> we create the symbol at compilation
> via --defsym
It just turned out --defsym also does not work together with -pie. The
value in the image is still 0x0.
Sascha
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next prev parent reply other threads:[~2013-03-09 19:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-08 12:08 [PATCH] Add DataModul Realq7 " Sascha Hauer
2013-03-08 12:08 ` [PATCH 1/3] ARM i.MX6: Add mmdc calibration support Sascha Hauer
2013-03-08 12:17 ` Alexander Shiyan
2013-03-08 14:00 ` Sascha Hauer
2013-03-08 12:46 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 12:08 ` [PATCH 2/3] Add DMO RealQ7 board support Sascha Hauer
2013-03-08 12:51 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 13:07 ` Sascha Hauer
2013-03-08 14:48 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 15:06 ` Sascha Hauer
2013-03-08 15:46 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-08 16:23 ` Jean-Christophe PLAGNIOL-VILLARD
2013-03-09 19:03 ` Sascha Hauer [this message]
2013-03-08 12:08 ` [PATCH 3/3] Add DMO RealQ7 defconfig Sascha Hauer
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