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chore(docs): explain what the plat_amu_aux_enables array does

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Change-Id: I90f1bcaa8bec133d3be81785aea11948208ca0a5
Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
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Boyan Karatotev 2025-03-18 10:38:39 +00:00
parent c03884e51f
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docs/components/activity-monitors.rst
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@ -21,7 +21,9 @@ build option.
As a security precaution, Trusted Firmware-A does not enable these by default.
Instead, platforms must configure their auxiliary counters through the
``plat_amu_aux_enables`` platform hook.
``plat_amu_aux_enables`` platform hook. This is a per-core array indexed with
``plat_my_core_pos()``. A core's value will be written verbatim into
``AMCNTENSET1_EL0``.
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