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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org,
	"Thorsten K . Scherer" <t.scherer@eckelmann.de>
Subject: Re: [PATCH 1/2] imd: create new helper macro to add data from oftree to image meta data
Date: Fri, 22 Feb 2019 22:22:34 +0100	[thread overview]
Message-ID: <20190222212234.fzambuxfvhml7gjb@pengutronix.de> (raw)
In-Reply-To: <20190222081139.wf775ytgd6zerdsv@pengutronix.de>

On Fri, Feb 22, 2019 at 09:11:39AM +0100, Sascha Hauer wrote:
> Hi Uwe,
> 
> On Thu, Feb 21, 2019 at 11:25:30AM +0100, Uwe Kleine-König wrote:
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> > ---
> >  include/image-metadata.h | 4 ++++
> >  scripts/gen-dtb-s        | 4 ++--
> >  2 files changed, 6 insertions(+), 2 deletions(-)
> > 
> > diff --git a/include/image-metadata.h b/include/image-metadata.h
> > index 8739bffb92e1..5904d95acd37 100644
> > --- a/include/image-metadata.h
> > +++ b/include/image-metadata.h
> > @@ -118,6 +118,10 @@ static inline void imd_used(const void *unused)
> >  
> >  #define IMD_USED(_name) \
> >  	imd_used(&__barebox_imd_##_name)
> > +#define IMD_USED_OF(_name) ({ \
> > +	extern char __barebox_imd_OF_ ## _name[]; \
> > +	imd_used(&__barebox_imd_OF_ ## _name); \
> > +	})
> >  
> >  #endif /* __BAREBOX__ */
> >  
> > diff --git a/scripts/gen-dtb-s b/scripts/gen-dtb-s
> > index 2b44ffb361eb..c3144df851bf 100755
> > --- a/scripts/gen-dtb-s
> > +++ b/scripts/gen-dtb-s
> > @@ -18,8 +18,8 @@ FDTGET=scripts/dtc/fdtget
> >  
> >  if [ "$imd" = "y" ]; then
> >  	echo ".section .barebox_imd_0.${name},\"a\""
> > -	echo ".global __imd_${name}_start"
> > -	echo "__imd_${name}_start:"
> > +	echo ".global __barebox_imd_OF_${name}"
> > +	echo "__barebox_imd_OF_${name}:"
> 
> This breaks somewhere when the compressed variants of the dtbs are used.
> Building imx_v7_defconfig fails here with:
> 
> arch/arm/dts/built-in-pbl.o: In function `__dtb_z_imx6dl_wandboard_end':
> arch/arm/dts/pbl-vf610-zii-ssmb-spu3.dtb.o:(.dtbz.rodata.imx6dl_wandboard+0x2340): undefined reference to `__imd_imx6dl_wandboard_start'
>   OBJCOPYB images/start_imx6dl_nitrogen6x_1g.pblb
> arch/arm/dts/built-in-pbl.o: In function `__dtb_z_imx6q_wandboard_end':
> arch/arm/dts/pbl-vf610-zii-ssmb-spu3.dtb.o:(.dtbz.rodata.imx6q_wandboard+0x2320): undefined reference to `__imd_imx6q_wandboard_start'

The following makes it build again (on top of my patch):

diff --git a/scripts/gen-dtb-s b/scripts/gen-dtb-s
index c3144df851bf..90294c4840f4 100755
--- a/scripts/gen-dtb-s
+++ b/scripts/gen-dtb-s
@@ -71,5 +71,5 @@ echo ".global __dtb_z_${name}_end"
 echo ".balign STRUCT_ALIGNMENT"
 
 if [ "$imd" = "y" ]; then
-       echo ".word __imd_${name}_start"
+       echo ".word __barebox_imd_OF_${name}"
 fi

But I admit I don't understand why this is referenced here. Also I
wonder why imx_defconfig + CONFIG_MACH_PHYTEC_SOM_IMX6=y doesn't fail.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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  reply	other threads:[~2019-02-22 21:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-21 10:25 Uwe Kleine-König
2019-02-21 10:25 ` [PATCH 2/2] ARM: phytec-som-imx6: make use of new imd oftree helper Uwe Kleine-König
2019-02-22  8:11 ` [PATCH 1/2] imd: create new helper macro to add data from oftree to image meta data Sascha Hauer
2019-02-22 21:22   ` Uwe Kleine-König [this message]
2019-02-25  8:41     ` Sascha Hauer

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