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

[Shannon Zhao <shannon.zhao@xxxxxxxxxx>]

Hi Julien,

On 2016年05月31日 18:47, Julien Grall wrote:
> 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?
> 
The corresponding UEFI patch can be found from below url:
https://www.mail-archive.com/xen-devel@xxxxxxxxxxxxx/msg69468.html

You can use the above guest kernel with defconfig.

Thanks,
-- 
Shannon

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