On 31 October 2017 at 17:07, Stefano Stabellini <sstabell...@kernel.org> wrote: > Sorry Peter, I copy/pasted the values from arm32/page.h instead of > arm64/page.h in Xen :-/ > > Xen is running at EL2, 64-bit (aarch64). The ATS instruction is "at > s1e2r", used to translate Xen virtual addresses into physical addresses. > This is what breaks.
Thanks. OK, so if we change the line in do_ats_write() from if (extended_addresses_enabled(env)) { to if (arm_s1_regime_using_lpae_format(env, mmu_idx)) { does that fix your problem? thanks -- PMM