On 01/12/16 16:24, Shannon Zhao wrote:
> When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
> To DTB UEFI could call libfdt api to disable the RTC device node, but to
> ACPI it couldn't do that. Therefore, we don't generate the RTC ACPI
> device in QEMU when using UEFI.
>
>
On 01/12/16 16:30, Peter Maydell wrote:
> On 12 January 2016 at 15:24, Shannon Zhao wrote:
>> When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
>> To DTB UEFI could call libfdt api to disable the RTC device node, but to
>> ACPI it couldn't do that.
On 13 January 2016 at 11:18, Laszlo Ersek wrote:
> On 01/12/16 16:24, Shannon Zhao wrote:
>> When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
>> To DTB UEFI could call libfdt api to disable the RTC device node, but to
>> ACPI it couldn't do that.
On 01/13/16 11:20, Ard Biesheuvel wrote:
> On 13 January 2016 at 11:18, Laszlo Ersek wrote:
>> On 01/12/16 16:24, Shannon Zhao wrote:
>>> When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
>>> To DTB UEFI could call libfdt api to disable the RTC device
On 13 January 2016 at 10:48, Laszlo Ersek wrote:
> On 01/13/16 11:20, Ard Biesheuvel wrote:
>> I am not buying it either, to be honest. In fact, I think it is
>> another reason why we should mandate UEFI when using ACPI (which is
>> already the case in practice). Then, we can
When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
To DTB UEFI could call libfdt api to disable the RTC device node, but to
ACPI it couldn't do that. Therefore, we don't generate the RTC ACPI
device in QEMU when using UEFI.
Signed-off-by: Shannon Zhao
On 12 January 2016 at 15:24, Shannon Zhao wrote:
> When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
> To DTB UEFI could call libfdt api to disable the RTC device node, but to
> ACPI it couldn't do that. Therefore, we don't generate the RTC ACPI
>
On 2016/1/12 23:30, Peter Maydell wrote:
> On 12 January 2016 at 15:24, Shannon Zhao wrote:
>> > When booting VM through UEFI, UEFI takes ownership of the RTC hardware.
>> > To DTB UEFI could call libfdt api to disable the RTC device node, but to
>> > ACPI it couldn't