On 3/3/21 7:34 PM, Philippe Mathieu-Daudé wrote: > On 3/3/21 6:57 PM, Claudio Fontana wrote: >> On 3/1/21 5:23 PM, Alex Bennée wrote: >>> >>> Claudio Fontana <cfont...@suse.de> writes: >>> >>>> On 2/23/21 10:18 AM, Philippe Mathieu-Daudé wrote: >>>>> On 2/22/21 8:00 PM, Alex Bennée wrote: >>>>>> >>>>>> Claudio Fontana <cfont...@suse.de> writes: >>>>>> >>>>>>> Hi all, >>>>>>> >>>>>>> this is an experiment, a cleanup based on and requiring the series >>>>>>> "i386 cleanup PART 2": >>>>>>> >>>>>>> https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg05935.html >>>>>>> >>>>>>> The goal is to split the code between TCG-only and non-TCG code, >>>>>>> fixing the KVM-only build (configure --disable-tcg), >>>>>>> >>>>>>> and laying the ground for further cleanups and the use of the >>>>>>> new accel objects in the hierarchy to specialize the cpu >>>>>>> according to the accelerator. >>>>>>> >>>>>>> This is known to be an early state, with probably a lot of work >>>>>>> still needed. >>>>>> >>>>>> Well early work is looking pretty good: >>>>>> >>>>>> 18:59:22 [alex@idun:~/l/q/b/default] review/arm-cleanup-rfc1|… ± ls >>>>>> -lh qemu-system-aarch64 >>>>>> -rwxr-xr-x 1 alex alex 107M Feb 22 18:08 qemu-system-aarch64* >>>>>> 18:59:29 [alex@idun:~/l/q/b/default] review/arm-cleanup-rfc1|… ± ls >>>>>> -lh ../disable.tcg/qemu-system-aarch64 >>>>>> -rwxr-xr-x 1 alex alex 76M Feb 22 17:47 >>>>>> ../disable.tcg/qemu-system-aarch64* >>>>> >>>>> :~) >>>>> >>>>>> >>>>>> and I've tested the KVM side works well enough with a basic image. >>>>> >>>>> >>>> >>>> I am working on the next version, one thing I noticed among others as I >>>> get close to the v2, >>>> is the fact that tests/ for arm require tcg in many cases. >>> >>> I think in a lot of cases they are historical because developers >>> generally weren't running on native hardware. That said off the top of >>> my head: >>> >>> tests/tcg - linux-user, so implies TCG >>> tests/tcg/system - use semihosting (at least for arm/aarch64) - which >>> implies TCG >>> tests/acceptance/[replay_kernel/reverse_debugging/tcg_plugins] - all need >>> TCG features >>> >>> I don't think there is any reason the others can't run with KVM - and >>> probably should on real hardware. >> >> >> One thing I noticed is that tests try to run qemu-system-aarch64 with accel >> "qtest" and machine "virt", >> and the thing tries to create a cortex-a15 cpu model for some unknown reason. >> >> Digging and sweating.. > > I already sent a series to fix that, feel free to reuse > some patches: > https://www.mail-archive.com/qemu-block@nongnu.org/msg80440.html >
Ah yes I took already something from here, will look some more thanks! Ciao, Claudio
