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→ARMv8
There are different ''profiles'' for ARMv8 devices:
* ARMv8A - ''Application'' - For user-level application processors, i.e., servers, smartphones, tablets. ARMv8-A devices support the AArch64 instruction state, and may optionally support the AArch32 instruction state.
* ARMv8R - ''Real-time'' - For real-time applications, which require that hardware events (such as interrupts) receive a response within a (short) hard deadline, such as a fuel injection system. ARMv8-R devices do not support only the AArch32 execution state, and do not support the AArch64 execution state.
== AArch32 and AArch64 Support on ARMv8 in Linux ==