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svn:author
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andrew
K 8
svn:date
V 27
2018-09-27T13:54:09.862753Z
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V 234
Export ID_AA64PFR0_EL1 to userland

Create a user view of the ID_AA64PFR0_EL1 register with values common
across all CPUs.

Approved by:	re (kib)
Sponsored by:	ABT Systems Ltd
Differential Revision:	https://reviews.freebsd.org/D17301

END