> Doing this for all MSR writes is a bit sad, because a lot of them
> don't actually change the TB flags, and quite a few of them which
> previously we were able to code to not have to do a helper call
> at all (direct writes to fields) now get a pointless helper call.
True. On the other hand, MS
On 14 September 2016 at 02:56, Paolo Bonzini wrote:
> Computing TranslationBlock flags is pretty expensive on ARM, especially
> 32-bit. In order to limit the cost we want to cache as many of them
> as possible. Therefore, the flags are split in two parts. Static flags
> come directly from a new
Computing TranslationBlock flags is pretty expensive on ARM, especially
32-bit. In order to limit the cost we want to cache as many of them
as possible. Therefore, the flags are split in two parts. Static flags
come directly from a new CPUARMState field env->tbflags, and are updated
whenever EL
