x86 FRED: add CPUID, MSR, and CR4 bits
ClosedPublic
Actions

Authored by kib on Mar 11 2026, 12:34 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Thu, May 14, 5:33 PM

	Unknown Object (File)
	Wed, May 13, 1:24 AM

	Unknown Object (File)
	Tue, May 12, 2:30 PM

	Unknown Object (File)
	Sun, May 10, 11:02 AM

	Unknown Object (File)
	Sun, May 10, 8:02 AM

	Unknown Object (File)
	Sun, May 10, 8:00 AM

	Unknown Object (File)
	Fri, May 8, 4:03 PM

	Unknown Object (File)
	Fri, Apr 24, 8:13 PM

View All 32 Files

Subscribers

imp

Details

Reviewers

markj
jhb

Commits

rGeb0a78f6cef0: x86 FRED: add CPUID, MSR, and CR4 bits

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

kib created this revision.Mar 11 2026, 12:34 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 11 2026, 12:34 PM

kib requested review of this revision.Mar 11 2026, 12:34 PM

jhb accepted this revision.Mar 12 2026, 3:09 PM

jhb added inline comments.

sys/x86/x86/identcpu.c
1048–1049	I wonder why we want to limit the bits here? We don't do that for any other of the feature words.

This revision is now accepted and ready to land.Mar 12 2026, 3:09 PM

Remove mask

This revision now requires review to proceed.Mar 12 2026, 3:26 PM

kib marked an inline comment as done.Mar 12 2026, 3:26 PM

jhb accepted this revision.Mar 12 2026, 3:48 PM

This revision is now accepted and ready to land.Mar 12 2026, 3:48 PM

Closed by commit rGeb0a78f6cef0: x86 FRED: add CPUID, MSR, and CR4 bits (authored by kib). · Explain WhyMar 13 2026, 11:31 PM

This revision was automatically updated to reflect the committed changes.

kib added a commit: rGeb0a78f6cef0: x86 FRED: add CPUID, MSR, and CR4 bits.

Revision Contents
Changeset List

Path

Size

sys/

x86/

include/

specialreg.h

23 lines

x86/

identcpu.c

11 lines

Diff 173668

View Options

sys/x86/include/specialreg.h