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

[Shannon Zhao <zhaoshenglong@xxxxxxxxxx>]

Hi Julien,

On 2016/9/13 19:56, Julien Grall wrote:
> 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
> 
> On which commit this EFI binary is based? I am trying to rebuild myself,
> and go no luck to boot it so far.
> 
I forgot the exact commit. But I just tried below commit which adds the
support to edk2 and the guest can boot up successfully with ACPI.

402dde6 ArmVirtPkg/ArmVirtXen: Add ACPI support for Virt Xen ARM

Thanks,
-- 
Shannon


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel