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Except we have evidence that they've been implementing a subset of the specification on M1. Like VHE stuck on. The not well kept rumor is that Apple has a muc
by monocasa 6y ago
Except we have evidence that they've been implementing a subset of the specification on M1. Like VHE stuck on.
The not well kept rumor is that Apple has a much looser than architectural license due to their very close relationship with ARM, both generally since the early 90s, and that Apple contributed very heavily to early AArch64 design and it's arguably theirs as much as it is ARM's.
- my123 6y agoVHE is implemented and stuck as on indeed. There's also the fact that only pc and sp are retained on WFI, without the other GPRs. Those quirks only affect bare metal kernel-mode (EL2), and do not affect user-mode or virtualised machines at EL1 in any way.