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Differential D34644

arm64: disable the EL2 MMU in early boot
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Authored by kevans on Mar 23 2022, 3:20 PM.
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Reviewers
andrew
manu
Group Reviewers
arm64
Commits
rG51adf913e881: arm64: disable the EL2 MMU before dropping to EL1
Summary

An earlier stage may have set HCR_EL2.E2H, the clearing of which may
break address translation. We don't need the EL2 MMU at this point, so
we can avoid re-enabling it for now and just drop to EL1 as usual.

Author: andrew
Tested by: kevans

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rG FreeBSD src repository
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sys/
arm64/
arm64/
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sys/arm64/arm64/locore.S

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