Date: Tue, 10 Jan 2012 10:54:03 +0100 From: Yamagi Burmeister <lists@yamagi.org> To: kostikbel@gmail.com Cc: amd64@freebsd.org, arch@freebsd.org, marius@freebsd.org, flo@freebsd.org Subject: Re: AVX Message-ID: <20120110105403.f5a425a4.lists@yamagi.org> In-Reply-To: <20120109202214.GZ31224@deviant.kiev.zoral.com.ua> References: <20111226220756.GR50300@deviant.kiev.zoral.com.ua> <20120102063700.GF50300@deviant.kiev.zoral.com.ua> <20120108174112.50e030ba.lists@yamagi.org> <20120108195913.GI31224@deviant.kiev.zoral.com.ua> <20120109103747.578d4e44.lists@yamagi.org> <20120109202214.GZ31224@deviant.kiev.zoral.com.ua>
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--Signature=_Tue__10_Jan_2012_10_54_03_+0100_L.B.l=db+vIoMNs1 Content-Type: text/plain; charset=US-ASCII Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, 9 Jan 2012 22:22:14 +0200 Kostik Belousov <kostikbel@gmail.com> wrote: > > > > CPU: Intel(R) Core(TM)2 Duo CPU T6670 @ 2.20GHz (2194.55-MHz > > > > K8-class CPU) Origin =3D "GenuineIntel" Id =3D 0x1067a Family =3D= 6 Model > > > > =3D 17 Stepping =3D 10 > > > > Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,M= TRR,PGE, > > > > MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,P= BE> > > > > Features2=3D0x408e3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16= ,xTPR, > > > > PDCM,SSE4.1,XSAVE> > > > > AMD Features=3D0x20100800<SYSCALL,NX,LM> AMD Features2=3D0x1<LAHF>= =20 > > > Is this Features excerpt from the patched kernel, or from pristine svn > > > sources ? If the later, please show me the Features from the patched > > > kernel. > >=20 > > That was the output of the patched kernel. > I see. The issue was that cpu_feature2, which is decoded to print the > Features2 line, is retrieved much earlier then XCR0 is updated by > fpu initialization code. I added a cludge to reload cpu_feature2 if > XSAVE was indeed enabled. So now you should see OSXSAVE reported if > XSAVE is indeed enabled. Seems to be okay now: Features2=3D0xc08e3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2, SSSE3,CX16,xTPR,PDCM,SSE4.1,XSAVE,OSXSAVE> --=20 Homepage: www.yamagi.org XMPP: yamagi@yamagi.org GnuPG/GPG: 0xEFBCCBCB --Signature=_Tue__10_Jan_2012_10_54_03_+0100_L.B.l=db+vIoMNs1 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk8MCsQACgkQWTjlg++8y8trmgCg5P3Gu9JU342L+r2YS4S8j8lF bX0AoNp3UmN9nZnTGN47QELh2c0xdHXQ =rMlb -----END PGP SIGNATURE----- --Signature=_Tue__10_Jan_2012_10_54_03_+0100_L.B.l=db+vIoMNs1--
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