[meta-xilinx] Address location for binaries...

[Alan DuBoff]

Edward,

Thanks, I'm going to try this now.

This would go in the file that bootgen takes, right?

I'm going to try that.

I'd be curious to see some of your guys' .bif which you use for a zedboard.

Cheers,
Alan

On Tue, February 18, 2014 1:57 pm, Edward Vidal wrote:
> Hello all
> see Mike Looijmans message
> *Mon Feb 3 22:31:18 PST 2014*
>
> *subject meta-topic *
>
> There's a 0x40 byte u-boot header preceeding the kernel image. Loading it at
> 0x79C0 will thus place the kernel entry point at 0x8000.
>
> You can load the kernel elsewhere, but then u-boot will have to memcpy the
> kernel image to 0x8000 before booting it. This increases the boot time.
>
> On the zynq, the effect isn't quite as noticable, but on weaker CPUs with
> slower memory, loading the kernel at the right spot can gain about a hundred
> milliseconds or more.
>
> That may not sound like much, but on a total boot time of less than 5 seconds,
> 100 ms is 2%...
>
> Mike.
> I was having same problem
>
> Also see meta-topic meta-topic/recipes-bsp/bootscripts/
> Hope this helps.
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