arm64: Don't trap SVE to EL2
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Authored by andrew on Jan 4 2024, 12:32 PM.

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Reviewers

kib
markj
manu
imp

Group Reviewers

arm64

Commits

rGa16f10ab0aa7: arm64: Don't trap SVE to EL2
rGfe5ed2496e44: arm64: Don't trap SVE to EL2

Summary

As with floating point instructions don't trap SVE instructions to the
hypervisor. This lets us handle then in the kernel.

Diff Detail

Repository

rG FreeBSD src repository

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Lint Not Applicable

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Tests Not Applicable

Event Timeline

andrew created this revision.Jan 4 2024, 12:32 PM

Herald added a reviewer: manu. · View Herald TranscriptJan 4 2024, 12:32 PM

Herald added subscribers: emaste, imp. · View Herald Transcript

andrew requested review of this revision.Jan 4 2024, 12:32 PM

andrew added a parent revision: D43302: arm64: Support passing more registers to signals.

Harbormaster completed remote builds in B55233: Diff 132250.Jan 4 2024, 12:32 PM

andrew added a child revision: D43304: arm64: Split out a savectx version of vfp_save_state.Jan 4 2024, 12:32 PM

assuming the masks are right, this looks good to me.

sys/arm64/arm64/locore.S
301 ↗	(On Diff #132250)	does this need updating?

This revision is now accepted and ready to land.Jan 4 2024, 4:38 PM

Closed by commit rGfe5ed2496e44: arm64: Don't trap SVE to EL2 (authored by andrew). · Explain WhySep 30 2024, 12:24 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGfe5ed2496e44: arm64: Don't trap SVE to EL2.

andrew added a commit: rGa16f10ab0aa7: arm64: Don't trap SVE to EL2.Oct 21 2024, 3:05 PM

Revision Contents
Changeset List

Path

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sys/

arm64/

include/

hypervisor.h

3 lines

Diff 144041

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sys/arm64/include/hypervisor.h

arm64: Don't trap SVE to EL2ClosedPublicActions