Re: [Xen-devel] Xen optimization

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

On 11.12.18 21:29, Stefano Stabellini wrote:
> Yes, I think the uart driver could be sufficient, but it has only the
> Xilinx uart, the pl011 and the Xen emergency console. If I recall
> correctly, Renesas needs a different driver. Any platform specific
> initialization would also need to be added to it.
Actually the console driver (putchar) is really trivial in TBM, and for 
platform initialization I rely on u-boot's remainings.
But I faced a strange issue with a timer interrupt. Despite the fact the TBM 
sets MMU, exception handlers table and VBAR, the interrupt does not cause TBMs 
code being called. But I see the interrupt fired and become active in GIC 
registers.
Digging into that now.

--
Sincerely,
Andrii Anisov.

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