Hi Edgar,

This is regarding TTC support in qemu. Is TTC support added for qemu 5.2.0
or any other version ?

Also is there any possible alternative for TTC if it is not available in
ZCU102 qemu ?


Regards
Asif Siddiqui

On Tue, 24 Aug 2021 at 7:18 PM, asif siddiqui <asifsiddiqui...@gmail.com>
wrote:

> Hi Edgar,
>
> Thanks for the inputs.
> Is it possible to replicate ZynqMP TTC support for Xilinx QEMU distributed
> with PetaLinux in ZCU102 machine by applying some patch ?
> If yes can you share the Patch for the same ?
>
>
> Regards
>
> Asif
>
> On Tue, Aug 24, 2021 at 2:22 PM Edgar E. Iglesias <
> edgar.igles...@gmail.com> wrote:
>
>> Hi Asif,
>>
>> The ZynqMP TTC is supported in the Xilinx QEMU distributed with PetaLinux
>> but not
>> yet supported in upstream nor the QEMU distributed with distros such as
>> Ubuntu.
>>
>> Best regards,
>> Edgar
>>
>>
>> On Tue, Aug 24, 2021 at 02:11:06PM +0530, asif siddiqui wrote:
>> > Hi Edgar,
>> >
>> > We could see Triple Timer Counter QEMU status as Yes under section
>> Timers
>> > and Clock Generators in the given link (
>> >
>> https://www.xilinx.com/support/documentation/sw_manuals/xilinx2018_2/ug1169-xilinx-qemu.pdf
>> ).
>> >
>> >
>> > Is it meant for xilinx ZCU102 machine or some other machine type ?
>> >
>> >
>> >
>> > Regards
>> > Asif
>> >
>> >
>> >
>> > On Fri, Aug 20, 2021 at 1:37 PM asif siddiqui <
>> asifsiddiqui...@gmail.com>
>> > wrote:
>> >
>> > > Hi Edgar,
>> > >
>> > > Thanks for the input.
>> > >
>> > > Is there any alternative solution for reading the TTC ?
>> > > Is there any latest version of QEMU in which TTC is implemented for
>> > > ZCU102 machine ?
>> > >
>> > >
>> > > Regards
>> > > Asif
>> > >
>> > > On Thu, Aug 19, 2021 at 8:39 PM Edgar E. Iglesias <
>> > > edgar.igles...@gmail.com> wrote:
>> > >
>> > >> On Thu, Aug 19, 2021 at 10:07:24AM +0100, Peter Maydell wrote:
>> > >> > On Thu, 19 Aug 2021 at 06:54, asif siddiqui <
>> asifsiddiqui...@gmail.com>
>> > >> wrote:
>> > >> > >
>> > >> > > Hello All,
>> > >> > >
>> > >> > > We are using xlnx-zcu102 machine and following command to boot
>> the
>> > >> QNX OS as guest on top of QEMU with WIndows as HOST OS.
>> > >> > >
>> > >> > > QEMU Command to boot QNX Image-
>> > >> > > qemu-system-aarch64 -M xlnx-zcu102 -m 8G -serial mon:stdio
>> -display
>> > >> none -device loader,file=E:\QNX-IFS.bin,cpu-num=0
>> > >> > >
>> > >> > > We are working on the gptp timing. To implement the gptp time we
>> need
>> > >> to enable the system tick (Xilinx-zcu102 + QNX + QEMU).
>> > >> > >
>> > >> > > For getting the Timer Counter's value we are trying to read
>> > >> Counter_Value_1 (TTC) Register as mentioned in the given link
>> > >> > >
>> > >>
>> https://www.xilinx.com/html_docs/registers/ug1087/ug1087-zynq-ultrascale-registers.html#ttc___counter_value_1.html
>> > >> > >
>> > >> > > Query -
>> > >> > > How to enable the system tick in QEMU enviroment(Xilinx-zcu102 +
>> QNX
>> > >> + QEMU). Do we need to configure any command line option in the QEMU
>> > >> command.
>> > >> >
>> > >> > I have cc'd the maintainers of the xlnx-zcu102 machine model,
>> > >> > who will probably know.
>> > >> >
>> > >>
>> > >> Hi,
>> > >>
>> > >> The TTC is unfortunately missing from the ZCU102 model.
>> > >>
>> > >> Best regards,
>> > >> Edgar
>> > >>
>> > >
>>
>

Reply via email to