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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Rostislav Lisovy <lisovy@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: Wrong barebox_image_size value
Date: Fri, 27 Sep 2013 08:54:34 +0200	[thread overview]
Message-ID: <20130927065434.GA32444@ns203013.ovh.net> (raw)
In-Reply-To: <1380227429.10759.1.camel@lolumad>

On 22:30 Thu 26 Sep     , Rostislav Lisovy wrote:
> Dear barebox developers and users;
> I am compiling barebox for freescale-imx53-smd board. My issue is,
> that the image does not contain the correct size record.
> The "bootloader size" needed by the flashing tool is initialized in
> freescale-mx53-smd/flash_header.c, in structure flash_header,
> field .boot_data.size.
> Formerly there used to be a hardcoded value 0x40000, nowadays we use
> DCD_BAREBOX_SIZE which expands into (barebox_image_size + 4095), where
> "barebox_image_size" has real size computed by the linker.
> When the value .boot_data.size is filled by hand (as 0x40000), correct
> value is stored in the barebox image.
> Proof: hexdump -s 0x24 -n 4 barebox-flash-image
> 0000024 0000 0004
> 
> however if .boot_data.size = DCD_BAREBOX_SIZE,
> $ hexdump -s 0x24 -n 4 barebox-flash-image
> 0000024 0fff 0000
> where this 0xfff is the "+4095" added to round the value. (I am pretty
> sure the offset into the image used by hexdump is correct).
> 
> The barebox version I am using most recent git, branch master.
> The compiler (maybe here is the point of failure) is
> arm-cortex_a8-linux-gnueabi-gcc (crosstool-NG hg+default-86a8d1d467c8)
> 4.4.6.

do you compile a relocation binary?

if yes the barebox size is 0 for the linker script

I send a patch for the -next to start to fix the issue but I think we need
other fixup

Best Regards,
J.
> 
> I will appreciate any help;
> Rostislav Lisovy
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox

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  reply	other threads:[~2013-09-27  6:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-26 20:30 Rostislav Lisovy
2013-09-27  6:54 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-09-29 12:26   ` Rostislav Lisovy
2013-09-27  8:05 ` Sascha Hauer
2013-09-29 12:30   ` Rostislav Lisovy

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