Hi Peter, Thanks a lot for the information. Can you please help me with the cortex-a7 CPU definitions/configuration that I need to add in QEMU. Thanks,
Best Regards, -Deepak On Mon, Feb 8, 2016 at 9:24 PM, Peter Maydell <peter.mayd...@linaro.org> wrote: > > On Mon, Feb 8, 2016 at 2:21 PM, Deepak kumar Raju < > raju.deepakku...@gmail.com> wrote: > >> I am Deepak. I have a Cortex-A7 board and I am using qemu code from > Linaro. > >> In Qemu-linaro.git, under .../target-arm/cpu.c, I do not see CPU > definitions for Cortex-A7. > >> I have few questions: > >> > >> a)Can you please point to Cortex-A7 CPU definitions? > > We don't implement a Cortex-A7 in QEMU, because we have no board > models that need it. > > >> b) Can we use the CPU definitions of Cortex-A15 for Cortex-A7? > > Typically guest code doesn't care about the exact CPU type between > the A15 and the A7. If you wanted to add A7 support then starting > with the A15 would be a good start. > > >> c) What would be the diff of Cortex-A7 definitions compared to > Cortex-A15? > > You need to look at the Technical Reference Manual for the two CPUs > to determine the difference. As far as QEMU is concerned the things > to look at are: > * ID register values > * supported CPU features > * any implementation-specific coprocessor registers > > ...in other words, all the things we set in the > cortex_a15_initfn(). > > thanks > -- PMM >
