arm64: mte: cleanup cache register definitions
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Authored by andrew on Mar 19 2026, 4:04 PM.

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Reviewers

manu
andrew

Group Reviewers

arm64

Commits

rG7e718b9a8eec: arm64: mte: cleanup cache register definitions

Summary

Cleanup the definitions in armreg.h for the CSSIDR_EL1, CLIDR_EL1 and
CSSELR_EL1 system register to prepare for additional bitfeilds for
Memory Tagging Extension (MTE).

Sponsored by: Arm Ltd
Signed-off-by: Harry Moulton <harry.moulton@arm.com>

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Repository

rG FreeBSD src repository

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Build Status

Buildable 71525
Build 68408: arc lint + arc unit

Event Timeline

andrew created this revision.Mar 19 2026, 4:04 PM

Herald added a reviewer: manu. · View Herald TranscriptMar 19 2026, 4:04 PM

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

andrew requested review of this revision.Mar 19 2026, 4:04 PM

Harbormaster completed remote builds in B71525: Diff 173914.Mar 19 2026, 4:04 PM

andrew added a parent revision: D55943: arm64: Handle changing self-referential DMAP pages.Mar 19 2026, 4:04 PM

andrew added a child revision: D55945: arm64: mte: add system register definitions.

andrew accepted this revision.Apr 13 2026, 11:52 AM

This revision is now accepted and ready to land.Apr 13 2026, 11:52 AM

Closed by commit rG7e718b9a8eec: arm64: mte: cleanup cache register definitions (authored by harry.moulton_arm.com, committed by andrew). · Explain WhyApr 13 2026, 2:24 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG7e718b9a8eec: arm64: mte: cleanup cache register definitions.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

identcpu.c

8 lines

include/

armreg.h

93 lines

Diff 173914

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sys/arm64/arm64/identcpu.c