Re: [Xen-devel] [PATCH v5 00/16] Xen ARM DomU ACPI support

[Julien Grall <julien.grall@xxxxxxx>]

Hi Shannon,

On 02/09/16 03:55, 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 non-RAM memory map 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 linux master or:
> https://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/log/?h=efi/arm-xen
>
> The UEFI binary could be fetched from or built from edk2 master branch:
> http://people.linaro.org/~shannon.zhao/DomU_ACPI/XEN_EFI.fd
>
> This series can be fetched from:
> https://git.linaro.org/people/shannon.zhao/xen.git  domu_acpi_v5
This branch is based on a fairly out of date xen. Do you have a branch 
rebased on the latest upstream + Boris ACPI v3?
Cheers,

--
Julien Grall

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