Hi Michael, On 05.11.20 16:25, Michael Grunditz wrote: > I am wondering if there is a "system friendly" way to invalidate > caches? I am running self compiling instructions that needs it. Right > now (on aarch64 Genode/Linux) I use __internal___clear_cache but that > is unbelievable slow.
I remember that we encountered the same problem recently in the context of the Javascript JIT compiler of the Chromium engine [1]. Since there exists no POSIX API for the instruction-cache invalidation, we decided to add a new public interface to the libc [2]. [1] https://github.com/genodelabs/genode/issues/3858 [2] https://github.com/genodelabs/genode/blob/master/repos/libports/include/libc/genode.h Cheers Norman -- Dr.-Ing. Norman Feske Genode Labs https://www.genode-labs.com · https://genode.org Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth _______________________________________________ Genode users mailing list [email protected] https://lists.genode.org/listinfo/users
