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 >
