3 ms·
> I believe 4K support is required? As I said, I don't think that's the case. ARMv8-A supports the 3 page sizes and has a register so that implementations can
by rrss 6y ago
> I believe 4K support is required?
As I said, I don't think that's the case. ARMv8-A supports the 3 page sizes and has a register so that implementations can advertise which are supported.
> Armv8-A supports three different granule sizes: 4KB, 16KB, and 64KB.
> The granule sizes that a processor supports are IMPLEMENTATION DEFINED and are reported by ID_AA64MMFR0_EL1
https://developer.arm.com/architectures/learn-the-architecture/memory-management/translation-granule https://developer.arm.com/architectures/learn-the-architectu...
- saagarjha 6y agoYou know I asked around recently and it seems to be that all three are now optional. Perhaps Apple has pushed for this, because I recall 4K and 64K support being a hard requirement.