arm64: Use a fixed value for sctlr_el1
ClosedPublic
Actions

Authored by andrew on Jun 24 2025, 2:27 PM.

Tags

None

Referenced Files

	F133514676: D51011.id157520.diff
	Sun, Oct 26, 8:07 AM

	Unknown Object (File)
	Sat, Oct 11, 5:48 AM

	Unknown Object (File)
	Sat, Oct 4, 9:35 AM

	Unknown Object (File)
	Sep 13 2025, 8:12 PM

	Unknown Object (File)
	Sep 13 2025, 8:02 PM

	Unknown Object (File)
	Sep 13 2025, 7:53 AM

	Unknown Object (File)
	Sep 10 2025, 5:01 AM

	Unknown Object (File)
	Sep 9 2025, 6:32 PM

View All 32 Files

Subscribers

emaste

imp

Details

Reviewers

manu

Group Reviewers

arm64

Commits

rG6ff9bb7c3bb0: arm64: Use a fixed value for sctlr_el1

Summary

We load a fixed value into sctlr_el1 in enter_kernel_el so there is no
need to clear and set fields. Replace with a fixed list of fields that
are set when the MMU is off an when it is on.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Skipped

Unit

Tests Skipped

Build Status

Buildable 65052
Build 61935: arc lint + arc unit

Event Timeline

andrew created this revision.Jun 24 2025, 2:27 PM

Herald added a reviewer: manu. · View Herald TranscriptJun 24 2025, 2:27 PM

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

andrew requested review of this revision.Jun 24 2025, 2:27 PM

Harbormaster completed remote builds in B65052: Diff 157520.Jun 24 2025, 2:27 PM

andrew added a child revision: D51012: arm64: Set the endian without a memory access.Jun 24 2025, 2:27 PM

This revision was not accepted when it landed; it landed in state Needs Review.Aug 6 2025, 5:38 PM

Closed by commit rG6ff9bb7c3bb0: arm64: Use a fixed value for sctlr_el1 (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rG6ff9bb7c3bb0: arm64: Use a fixed value for sctlr_el1.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

locore.S

23 lines

include/

armreg.h

20 lines

Diff 157520

View Options

sys/arm64/arm64/locore.S