Hi Peter, We have GIC & generic timer enabled on Linux kernel side. Need help from you how to enable GIC & generic timer on QEMU side. Can you please help. Thanks,
Best Regads, -Deepak On Wed, Feb 24, 2016 at 7:20 PM, Deepak kumar Raju < raju.deepakku...@gmail.com> wrote: > Hi Peter, > > We are emulating the A7 hardware board in QEMU. Currently I have started > with A15 CPU config. I need to enable GIC and generic timer. Can you please > point me to how GIC & generic timer should be enabled considering > vexpress.c emulation board?. > Thanks in advance for the help, > > Best Regards, > -Deepak > > On Wed, Feb 10, 2016 at 3:43 PM, Peter Maydell <peter.mayd...@linaro.org> > wrote: > >> On 10 February 2016 at 05:25, Deepak kumar Raju >> <raju.deepakku...@gmail.com> wrote: >> > Regarding the questions, we have hw board which has Cortex-A7, so we >> thought >> > we have to go with A7 emulation. we were not very sure A15 emulation >> will be >> > almost equivalent to A7 emulation. >> > All we want to do is A7 emulation but now I am understanding that A15 >> > emulation should similar to A7 emulation. please correct me. >> >> If you want to emulate the whole hardware board in QEMU, >> then adding the A7 CPU emulation is the right thing (and >> not very hard compared to doing the whole hardware model). >> If you don't care about emulating the hardware because you're >> going to run (say) a Linux kernel on one of QEMU's existing >> models and you mostly care about userspace, then using the >> A15 will be fine -- the two CPUs are basically identical >> for that purpose, and Linux supports both. >> >> If you're running QEMU to use KVM on the ARM hardware, >> then you want "-cpu host", which means "use the best CPU >> type that the kernel can provide" and works on A7 and A15 >> hosts. >> >> thanks >> -- PMM >> > >
