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dev/psci: Add a way to query the PSCI method
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Authored by andrew on Oct 22 2024, 5:37 PM.
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Group Reviewers
arm64
Summary

Some drivers need to know if the instruction needed to call into the
PSCI firmware is a SMC or an HVC instruction. To support this add a new
function that returns the method and rework other parts of the PSCI
code to use this to set the call functions.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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Build Status
Buildable 60157
Build 57041: arc lint + arc unit