Re: [Xen-devel] [PATCH RESEND 00/14] Xen ARM DomU ACPI support

[Julien Grall <julien.grall@xxxxxxx>]

Hi Shannon,

On 31/05/16 06:02, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>
> The design of this feature is described as below.
> Firstly, the toolstack (libxl) generates the ACPI tables according the
> number of vcpus and gic controller.
>
> Then, it copies these ACPI tables to DomU memory space and passes
> them to UEFI firmware through the "ARM multiboot" protocol.
>
> At last, UEFI gets the ACPI tables through the "ARM multiboot" protocol
> and installs these tables like the usual way and passes both ACPI and DT
> information to the Xen DomU.
>
> Currently libxl only generates RSDP, XSDT, GTDT, MADT, FADT, DSDT tables
> since it's enough now.
>
> This has been tested using guest kernel with the Dom0 ACPI support
> patches which could be fetched from:
> https://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/log/?h=efi/arm-xen
Where can I find the UEFI firmware? What is the guest configuration to use?

Regards,

--
Julien Grall

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