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hwpmc: Define full set of Armv8.0 events
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Authored by jrtc27 on Oct 10 2022, 4:03 PM.
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Summary

Like many of the other encodings here, none of these are actually used
by our tables. However, defining the EVENT_xH names allows them to be
used by the user (e.g. when trying to use an implementation-defined
event that they know about from their core's documentation but we don't)
and allows us to define PMC_EV_ARMV8_LAST appropriately.

Some of these are also used downstream in CheriBSD on Morello.

Obtained from: CheriBSD

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rG FreeBSD src repository
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