Read the arm64 ID registers earlier in the boot process
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Authored by andrew on Jun 29 2020, 11:04 AM.

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emaste

imp

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manu

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arm64

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rS362837: Read the arm64 ID registers earlier in the boot process.

Summary

Aslo move parsing the registers to just after the secondary CPUs have
started. This means the kernel register view from all CPUss is available
after the CPU SYSINITs have finished, e.g. for use by ifunc ressolvers.

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rS FreeBSD src repository - subversion

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Event Timeline

andrew created this revision.Jun 29 2020, 11:04 AM

Herald added a reviewer: manu. · View Herald TranscriptJun 29 2020, 11:04 AM

Herald added a subscriber: emaste. · View Herald Transcript

andrew requested review of this revision.Jun 29 2020, 11:04 AM

Harbormaster completed remote builds in B32038: Diff 73872.Jun 29 2020, 11:04 AM

This revision was not accepted when it landed; it landed in state Needs Review.Jul 1 2020, 3:18 PM

Closed by commit rS362837: Read the arm64 ID registers earlier in the boot process. (authored by andrew). · Explain Why

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rS362837: Read the arm64 ID registers earlier in the boot process..

Herald added a subscriber: imp. · View Herald TranscriptJul 1 2020, 3:18 PM

Revision Contents
Changeset List

Path

Size

head/

sys/

arm64/

identcpu.c

140 lines

mp_machdep.c

19 lines

Diff 73967

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head/sys/arm64/arm64/identcpu.c