[U-Boot] How/Where does "_start" get assigned a value ?

[Arvid Brodin]

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
> 
> 
> 
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Arvid Brodin | Consultant (Linux)
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