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Differential D56553

arm64/vmm: Refactor vmm_hyp.c
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Authored by kajetan.puchalski_arm.com on Apr 21 2026, 11:09 AM.
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andrew
manu
Group Reviewers
arm64
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rGe3cd6d104783: arm64/vmm: Refactor vmm_hyp.c
Summary

Refactor vmm_hyp.c to split register reload logic by type of register,
streamline the implementation and improve readability.

Signed-off-by: Kajetan Puchalski <kajetan.puchalski@arm.com>

Diff Detail

Repository
rG FreeBSD src repository
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Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 72471
Build 69354: arc lint + arc unit

Event Timeline

kajetan.puchalski_arm.com created this revision.Apr 21 2026, 11:09 AM
Herald added a reviewer: andrew. · View Herald TranscriptApr 21 2026, 11:09 AM
Herald added a reviewer: andrew. · View Herald Transcript
Herald added a reviewer: manu. · View Herald Transcript
Herald added subscribers: emaste, imp. · View Herald Transcript
kajetan.puchalski_arm.com requested review of this revision.Apr 21 2026, 11:09 AM
Harbormaster completed remote builds in B72412: Diff 175976.Apr 21 2026, 11:09 AM
kajetan.puchalski_arm.com added a parent revision: D56552: arm64/vmm: Store non-VNCR registers in an array.Apr 21 2026, 11:09 AM
kajetan.puchalski_arm.com added a child revision: D56554: arm64/vmm: Move vttbr_el2 & vtimer into struct hypctx.
kajetan.puchalski_arm.com updated this revision to Diff 176098.Apr 22 2026, 12:59 PM

Update

Harbormaster completed remote builds in B72437: Diff 176098.Apr 22 2026, 12:59 PM
kajetan.puchalski_arm.com updated this revision to Diff 176104.Apr 22 2026, 1:23 PM

Encode VNCR values into enum hypctx_sysreg as 64-bit offsets

Harbormaster completed remote builds in B72443: Diff 176104.Apr 22 2026, 1:23 PM
kajetan.puchalski_arm.com updated this revision to Diff 176253.Apr 23 2026, 2:28 PM

Handle non-VHE, store the vncr page as a pointer

Harbormaster completed remote builds in B72471: Diff 176253.Apr 23 2026, 2:28 PM
kajetan.puchalski_arm.com updated this revision to Diff 176259.Apr 23 2026, 2:39 PM

Fix non-VHE omission

Harbormaster completed remote builds in B72477: Diff 176259.Apr 23 2026, 2:39 PM
kajetan.puchalski_arm.com updated this revision to Diff 176275.Apr 23 2026, 5:30 PM

Fix omission

Harbormaster completed remote builds in B72489: Diff 176275.Apr 23 2026, 5:31 PM
kajetan.puchalski_arm.com updated this revision to Diff 176317.Apr 24 2026, 11:09 AM

Use char* for ptr arithmetic

Harbormaster completed remote builds in B72509: Diff 176317.Apr 24 2026, 11:09 AM
kajetan.puchalski_arm.com updated this revision to Diff 176725.Apr 28 2026, 2:14 PM

Address remaining style review comments

Harbormaster completed remote builds in B72610: Diff 176725.Apr 28 2026, 2:14 PM
kajetan.puchalski_arm.com updated this revision to Diff 176985.May 1 2026, 11:09 AM

Use Static_assert to ensure correct struct hypctx size

Harbormaster completed remote builds in B72697: Diff 176985.May 1 2026, 11:09 AM
kajetan.puchalski_arm.com updated this revision to Diff 177458.May 8 2026, 2:44 PM

Correct nVHE omission

Harbormaster completed remote builds in B72929: Diff 177458.May 8 2026, 2:44 PM
andrew added inline comments.May 18 2026, 1:30 PM
sys/arm64/vmm/vmm_hyp.c
304–309
318–325
kajetan.puchalski_arm.com updated this revision to Diff 178190.May 20 2026, 11:42 AM

Address review comments

Harbormaster completed remote builds in B73277: Diff 178190.May 20 2026, 11:42 AM
kajetan.puchalski_arm.com marked 2 inline comments as done.May 20 2026, 11:46 AM
andrew accepted this revision.Jun 4 2026, 2:45 PM
This revision is now accepted and ready to land.Jun 4 2026, 2:45 PM
kajetan.puchalski_arm.com updated this revision to Diff 179455.Jun 9 2026, 3:28 PM

Fix indentation

This revision now requires review to proceed.Jun 9 2026, 3:28 PM
Harbormaster completed remote builds in B73759: Diff 179455.Jun 9 2026, 3:28 PM
kajetan.puchalski_arm.com updated this revision to Diff 179460.Jun 9 2026, 3:33 PM

Fix indentation

Harbormaster completed remote builds in B73764: Diff 179460.Jun 9 2026, 3:33 PM
kajetan.puchalski_arm.com updated this revision to Diff 180375.Jun 23 2026, 2:43 PM

Put potentially exotic registers in a separate array

Harbormaster completed remote builds in B74146: Diff 180375.Jun 23 2026, 2:43 PM
kajetan.puchalski_arm.com updated this revision to Diff 180982.Jun 30 2026, 2:17 PM

Only separate out registers relevant for morello

Harbormaster completed remote builds in B74411: Diff 180982.Jun 30 2026, 2:17 PM
andrew accepted this revision.Jun 30 2026, 3:01 PM
This revision is now accepted and ready to land.Jun 30 2026, 3:01 PM
Closed by commit rGe3cd6d104783: arm64/vmm: Refactor vmm_hyp.c (authored by kajetan.puchalski_arm.com, committed by andrew). · Explain WhyJul 6 2026, 3:25 PM
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rGe3cd6d104783: arm64/vmm: Refactor vmm_hyp.c.

Revision Contents
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sys/
arm64/
vmm/
422 lines

Diff 176253

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sys/arm64/vmm/vmm_hyp.c

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