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 >> > >> >> > > >> >