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From: Arvid Brodin <arvid.brodin@xdin.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] How/Where does "_start" get assigned a value ?
Date: Wed, 9 Oct 2013 21:54:51 +0200	[thread overview]
Message-ID: <5255B48B.9040808@xdin.com> (raw)
In-Reply-To: <1381334837993-165089.post@n7.nabble.com>

On 2013-10-09 18:07, djoker wrote:
> Hi Everyone,
> 
> I have a armv7 board and am looking at the "_start" symbol address, using
> the following command:
> *nm u-boot | grep -w _start*
> 
> It returned the following:
> *67000020 T _start*
> 
> I couldn't help notice that the the _start value is very "close" in vlaue to
> the value of CONFIG_SYS_TEXT_BASE defined in my board file:
> *#define CONFIG_SYS_TEXT_BASE 0x67000004*
> 
> But, I have searched through the source code, but not found where _start
> gets assigned a value.. Could someone please help me understand this ?

This symbol is declared in arch/<...>/start.S, as the entry point for the
u-boot code, if I understand things correctly.


> 
> Thanks,
> ~vj
> 
> 
> 
> --
> View this message in context: http://u-boot.10912.n7.nabble.com/How-Where-does-start-get-assigned-a-value-tp165089.html
> Sent from the U-Boot mailing list archive at Nabble.com.
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 


-- 
Arvid Brodin | Consultant (Linux)
XDIN AB | Knarrarn?sgatan 7 | SE-164 40 Kista | Sweden | xdin.com

  reply	other threads:[~2013-10-09 19:54 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-09 16:07 [U-Boot] How/Where does "_start" get assigned a value ? djoker
2013-10-09 19:54 ` Arvid Brodin [this message]
2013-10-09 23:02   ` Djoker
2013-10-12 20:53     ` Albert ARIBAUD
2013-10-09 22:55 ` djoker
2013-10-10 15:37 ` Gerhard Sittig
2013-10-12  0:30   ` Djoker
2013-10-13 14:26   ` Gerhard Sittig

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