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Differential D54687

arm64/vmm: Set and use the fine-grained traps
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Authored by andrew on Tue, Jan 13, 10:42 AM.
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manu
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arm64
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rGa4f0e93c5142: arm64/vmm: Set and use the fine-grained traps
Summary

Set the Fine-grained trap registers to trap any features we don't
support. These are expected to be more useful when we support nested
virtualisation, so for now just the base features and GICv3 are not
trapped.

As nested virtualisation will require VHE we only set the fine-grained
trap registers when VHE is used.

Sponsored by: Arm Ltd

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Repository
rG FreeBSD src repository
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Build Status
Buildable 69856
Build 66739: arc lint + arc unit

Event Timeline

andrew created this revision.Tue, Jan 13, 10:42 AM
Herald added a reviewer: manu. · View Herald TranscriptTue, Jan 13, 10:42 AM
Herald added subscribers: emaste, imp. · View Herald Transcript
andrew requested review of this revision.Tue, Jan 13, 10:42 AM
andrew added a parent revision: D54686: arm64/vmm: Add HYP_FEAT_FGT{,2}.
Harbormaster completed remote builds in B69856: Diff 169565.Wed, Jan 14, 12:50 AM
This revision was not accepted when it landed; it landed in state Needs Review.Tue, Feb 3, 5:28 PM
Closed by commit rGa4f0e93c5142: arm64/vmm: Set and use the fine-grained traps (authored by andrew). · Explain Why
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rGa4f0e93c5142: arm64/vmm: Set and use the fine-grained traps.

Revision Contents
Changeset List

PathSize
sys/
arm64/
vmm/
16 lines
22 lines
405 lines

Diff 169565

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sys/arm64/vmm/arm64.h

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sys/arm64/vmm/vmm_hyp.c

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sys/arm64/vmm/vmm_reset.c

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