On 29 August 2014 13:02, Edward Nevill <edward.nev...@linaro.org> wrote: > We have a need on OpenJDK to flush the entire icache. Basically this > need occurs when we do a garbage collection which may include garbage > collection and patching of the dynamically generated code. >
Surely, you could restrict the icache flush to the JIT heap, right? There is a __builtin___clear_cache() function in GCC which maps onto __clear_cache() in libgcc for AArch64, but it takes a begin and end pointer. -- Ard. > Problem is, the IC IALLUIS instruction which we need is only executable > from EL1 or greater. > > Is there any kernel hook to flush then entire icache. > > Thanks for your help, > Ed. > > > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
