arm64: Add an SVE sysarch
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Authored by andrew on Jan 4 2024, 12:32 PM.

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emaste

imp

Details

Reviewers

kib
markj
manu
imp

Group Reviewers

arm64

Summary

To allow for user space to read the SVE vector length add a sysarch
handler to return the value to userspace.

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 55238
Build 52127: arc lint + arc unit

Event Timeline

andrew created this revision.Jan 4 2024, 12:32 PM

Herald added a reviewer: manu. · View Herald TranscriptJan 4 2024, 12:32 PM

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

andrew requested review of this revision.Jan 4 2024, 12:32 PM

Harbormaster completed remote builds in B55238: Diff 132255.Jan 4 2024, 12:32 PM

andrew added a parent revision: D43307: arm64: Add the SVE registers to the signal frame.Jan 4 2024, 12:32 PM

andrew added a child revision: D43309: arm64: Support SVE in ptrace and core dumps.

We'll need to implement this in bsd-user too.

This revision is now accepted and ready to land.Jan 4 2024, 5:11 PM

Revision Contents
Changeset List

Path

Size

sys/

arm64/

sys_machdep.c

25 lines

include/

sysarch.h

3 lines

Diff 132255

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sys/arm64/arm64/sys_machdep.c