Page MenuHomeFreeBSD

arm: Support the optional limitation on dsb/dmb
Needs ReviewPublic

Authored by andrew on Nov 11 2025, 5:28 PM.
Tags
None
Referenced Files
Unknown Object (File)
Mon, Sep 28, 7:26 AM
Unknown Object (File)
Sun, Sep 27, 11:26 AM
Unknown Object (File)
Wed, Sep 23, 7:04 PM
Unknown Object (File)
Sep 7 2026, 12:10 PM
Unknown Object (File)
Sep 4 2026, 8:31 PM
Unknown Object (File)
Sep 4 2026, 5:34 PM
Unknown Object (File)
Aug 8 2026, 1:10 PM
Unknown Object (File)
Aug 7 2026, 12:18 PM
Subscribers

Details

Reviewers
None
Group Reviewers
ARM
Summary

The dsb and dmb instructions support an optional limitation on what
shareability domains an memory operations they target. Historically
FreeBSD/arm didn't have a way to specify the limit.

Use a variadic macro to take the optional limitation and pass it
through to the instruction.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 68549
Build 65432: arc lint + arc unit