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Differential D42566

arm64: Use pmap_early_vtophys in pmap_bootstrap_san
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Authored by andrew on Nov 13 2023, 5:18 PM.
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Reviewers
manu
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arm64
Commits
rG88227ddc7536: arm64: Use pmap_early_vtophys in pmap_bootstrap_san
rG5fae53589eac: arm64: Use pmap_early_vtophys in pmap_bootstrap_san
Summary

Use pmap_early_vtophys to find the physical address of the kernel base
rather than using the calculated offset as it will be removed in a
latter commit.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
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Unit
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Build Status
Buildable 54389
Build 51279: arc lint + arc unit

Event Timeline

andrew created this revision.Nov 13 2023, 5:18 PM
Herald added a reviewer: manu. · View Herald TranscriptNov 13 2023, 5:18 PM
Herald added subscribers: emaste, imp. · View Herald Transcript
andrew requested review of this revision.Nov 13 2023, 5:18 PM
Harbormaster completed remote builds in B54389: Diff 130020.Nov 13 2023, 5:18 PM
andrew added a child revision: D42567: arm64: Make kern_delta unneeded in the boot params.Nov 13 2023, 5:18 PM
andrew added a comment.Nov 13 2023, 5:20 PM

I tried testing this locally, however I don't get very far into the kernel before it hangs with KASAN both with and without this change.

andrew added a comment.Nov 15 2023, 5:45 PM

Tested on an the Arm AEM Model (architecture simulator). I think KASAN has issues with my local VM.

This revision was not accepted when it landed; it landed in state Needs Review.Nov 15 2023, 6:13 PM
Closed by commit rG5fae53589eac: arm64: Use pmap_early_vtophys in pmap_bootstrap_san (authored by andrew). · Explain Why
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rG5fae53589eac: arm64: Use pmap_early_vtophys in pmap_bootstrap_san.
andrew added a commit: rG88227ddc7536: arm64: Use pmap_early_vtophys in pmap_bootstrap_san.Feb 19 2024, 4:47 PM

Revision Contents
Changeset List

PathSize
sys/
arm64/
arm64/
2 lines
5 lines
include/
2 lines

Diff 130020

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sys/arm64/arm64/machdep.c

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sys/arm64/arm64/pmap.c

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sys/arm64/include/pmap.h

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