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Re: [Xen-devel] [HACKATHON 2016] ARM Status

On Thu, May 05, 2016 at 04:41:51PM +0100, Steve Capper wrote:
> [Apologies for the late send]
> Xen - ARM Status
> ================
> There was discussion on the following items:
> *) Booting Xen on 64-bit ARM SoC
>   o) Unfortunately Xen was executed in EL1.
>   o) Advice was given that the firmware should boot the Xen in EL2.
>   o) The ARMv7 secure mode switch to Hyp trick is not valid on AArch64.
> *) ARMv7 Cubietruck bringup was also discussed
>   o) One pain point mentioned was debugging the DomU guest
>   o) There are no debug capabilities for a Xen guest, but
>   o) There are a set of hyp calls that can be placed in the guest to
>      aid with debugging.
>   o) The documentation on these hyp calls needs refreshing in a wiki
>      somewhere?
>   o) Details of these can be found at: xen/arch/arm/traps.c
> *) There is no list of names/ownership for HW platforms
>   o) This is due to it being non-trivial to deduce a name from wiki
>      activity.
>   o) If people care about a board, they should make themselves known.

I care about the CubieBoard5. I hadn't actually been able to do 
much on it as the default loaded firmware does not seem to be
able to read any microSD card so I am afraid to update the uboot.

> Cheers,
> -- 
> Steve
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