arm64: mte: add system 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

rGaa555b6004d6: arm64: mte: add system register definitions

Summary

Add system register and bit field definitions for Memory Tagging
Extension (MTE) in ARMv8.5.

Sponsored by: Arm Ltd
Signed-off-by: Harry Moulton <harry.moulton@arm.com>
Co-authored-by: Andrew Turner <andrew@FreeBSD.org>

Diff Detail

Repository

rG FreeBSD src repository

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Unit

Tests Skipped

Build Status

Buildable 71526
Build 68409: 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 B71526: Diff 173915.Mar 19 2026, 4:04 PM

andrew added a parent revision: D55944: arm64: mte: cleanup cache register definitions.Mar 19 2026, 4:04 PM

andrew added a child revision: D55946: arm64: mte: configure initial state for system registers.

andrew accepted this revision.Apr 13 2026, 11:53 AM

This revision is now accepted and ready to land.Apr 13 2026, 11:53 AM

Closed by commit rGaa555b6004d6: arm64: mte: add system 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: rGaa555b6004d6: arm64: mte: add system register definitions.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

include/

armreg.h

96 lines

hypervisor.h

24 lines

Diff 173915

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sys/arm64/include/armreg.h