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AMD CPUs: update bits and data from CPUID 0x8000_0008
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Authored by kib on May 13 2024, 11:26 PM.
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Summary

from AMD APM vol3 doc no 24594 Rev. 3.36 March 2024

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rG FreeBSD src repository
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kib requested review of this revision.May 13 2024, 11:26 PM

Looks good except one copy-pasto I think

sys/x86/include/specialreg.h
434
This revision is now accepted and ready to land.May 13 2024, 11:45 PM
kib marked an inline comment as done.

Fix typo

This revision now requires review to proceed.May 13 2024, 11:53 PM
This revision is now accepted and ready to land.May 13 2024, 11:58 PM

I see: AMD Extended Feature Extensions ID EBX=0x79bef25f<CLZERO,IRPerf,XSaveErPtr,INVLPGB,RDPRU,BE,WBNOINVD,IBPB,INT_WBINVD,IBRS,STIBP,STIBP_ALWAYSON,PREFER_IBRS,SAMEMODE_IBRS,NOLMSLE,INVLPGBNEST,PPIN,SSBD,CPPC,PSFD,BTC_NO,IBPB_RET>

So Tested by: emaste