arm64: Load SOCDEV_PA as a literal rather than an immediate
ClosedPublic
Actions

Authored by sarah.walker2_arm.com on Apr 23 2026, 10:30 AM.

Details

Reviewers

andrew
manu

Commits

rGa6add87b5e17: arm64: Load SOCDEV_PA as a literal rather than an immediate

Summary

When EARLY_PRINTK is used in a realm environment, the UART physical address must
be in the unprotected address space. The resulting physical address will not
generally fit in an immediate, so use a literal instead.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

sarah.walker2_arm.com created this revision.Apr 23 2026, 10:30 AM

Herald added a reviewer: andrew. · View Herald TranscriptApr 23 2026, 10:30 AM

Herald added a reviewer: andrew. · View Herald Transcript

Herald added a reviewer: manu. · View Herald Transcript

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

sarah.walker2_arm.com requested review of this revision.Apr 23 2026, 10:30 AM

sarah.walker2_arm.com added a parent revision: D56599: arm64: VM/PMAP changes for CCA guest support.

Harbormaster completed remote builds in B72466: Diff 176245.Apr 23 2026, 10:30 AM

sarah.walker2_arm.com mentioned this in D56520: arm64: Add CCA guest support.Apr 23 2026, 10:31 AM

andrew accepted this revision.Apr 23 2026, 3:24 PM

This revision is now accepted and ready to land.Apr 23 2026, 3:24 PM

Closed by commit rGa6add87b5e17: arm64: Load SOCDEV_PA as a literal rather than an immediate (authored by sarah.walker2_arm.com, committed by andrew). · Explain WhyTue, May 12, 4:56 PM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGa6add87b5e17: arm64: Load SOCDEV_PA as a literal rather than an immediate.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

locore.S

2 lines

Diff 177690

View Options

arm64: Load SOCDEV_PA as a literal rather than an immediateClosedPublicActions