Question about Raspberry Pi bspstarthooks.c - potential patch

Alan Cudmore alan.cudmore at gmail.com
Tue Jun 29 19:09:27 UTC 2021


On Tue, Jun 29, 2021 at 3:01 PM Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
>
> On 29/06/2021 20:56, Alan Cudmore wrote:
> > I understand the move in that commit now.
> > Maybe it's not working on the single core models because the code is
> > conditional for ARMV7 + A or ARMV8?
> > https://git.rtems.org/rtems/tree/bsps/arm/shared/start/start.S#n485
> > I think the single core RPIs are ARM1176JZF-S (ARMv6Z).
>
> Oh, yes, this is probably the problem. I wasn't aware that we have a BSP
> which uses Armv6. I will try to figure out the right options.

Thanks! As soon as you have something that would work, we can test it.
The CPU architecture is old, but it looks like these models will be in
production until at least 2026.

>
> > Do the conditional defines come from the compiler?
>
> Yes, these are compiler built-in defines.
>
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