Date: Thu, 12 Jun 2014 17:15:56 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r267418 - in stable/10/sys: amd64/amd64 x86/include Message-ID: <201406121715.s5CHFuno053980@svn.freebsd.org>
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Author: jhb Date: Thu Jun 12 17:15:56 2014 New Revision: 267418 URL: http://svnweb.freebsd.org/changeset/base/267418 Log: MFC 266263,266551,266552: - Add definitions for more structured extended features as well as XSAVE Extended Features for AVX512 and MPX (Memory Protection Extensions). - Don't permit users to request a subset of the AVX512 or MPX xsave masks. Modified: stable/10/sys/amd64/amd64/fpu.c stable/10/sys/amd64/amd64/identcpu.c stable/10/sys/x86/include/specialreg.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/amd64/amd64/fpu.c ============================================================================== --- stable/10/sys/amd64/amd64/fpu.c Thu Jun 12 17:13:35 2014 (r267417) +++ stable/10/sys/amd64/amd64/fpu.c Thu Jun 12 17:15:56 2014 (r267418) @@ -199,6 +199,10 @@ fpuinit_bsp1(void) TUNABLE_ULONG_FETCH("hw.xsave_mask", &xsave_mask_user); xsave_mask_user |= XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE; xsave_mask &= xsave_mask_user; + if ((xsave_mask & XFEATURE_AVX512) != XFEATURE_AVX512) + xsave_mask &= ~XFEATURE_AVX512; + if ((xsave_mask & XFEATURE_MPX) != XFEATURE_MPX) + xsave_mask &= ~XFEATURE_MPX; cpuid_count(0xd, 0x1, cp); if ((cp[0] & CPUID_EXTSTATE_XSAVEOPT) != 0) { Modified: stable/10/sys/amd64/amd64/identcpu.c ============================================================================== --- stable/10/sys/amd64/amd64/identcpu.c Thu Jun 12 17:13:35 2014 (r267417) +++ stable/10/sys/amd64/amd64/identcpu.c Thu Jun 12 17:15:56 2014 (r267418) @@ -385,11 +385,11 @@ printcpuinfo(void) } if (cpu_stdext_feature != 0) { - printf("\n Standard Extended Features=0x%b", + printf("\n Structured Extended Features=0x%b", cpu_stdext_feature, "\020" /* RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE */ - "\001GSFSBASE" + "\001FSGSBASE" "\002TSCADJ" /* Bit Manipulation Instructions */ "\004BMI1" @@ -401,17 +401,27 @@ printcpuinfo(void) "\010SMEP" /* Bit Manipulation Instructions */ "\011BMI2" - "\012ENHMOVSB" + "\012ERMS" /* Invalidate Processor Context ID */ "\013INVPCID" /* Restricted Transactional Memory */ "\014RTM" + /* Intel Memory Protection Extensions */ + "\017MPX" + /* AVX512 Foundation */ + "\021AVX512F" /* Enhanced NRBG */ "\023RDSEED" /* ADCX + ADOX */ "\024ADX" /* Supervisor Mode Access Prevention */ "\025SMAP" + "\030CLFLUSHOPT" + "\032PROCTRACE" + "\033AVX512PF" + "\034AVX512ER" + "\035AVX512CD" + "\036SHA" ); } Modified: stable/10/sys/x86/include/specialreg.h ============================================================================== --- stable/10/sys/x86/include/specialreg.h Thu Jun 12 17:13:35 2014 (r267417) +++ stable/10/sys/x86/include/specialreg.h Thu Jun 12 17:15:56 2014 (r267418) @@ -87,12 +87,23 @@ */ #define XCR0 0 /* XFEATURE_ENABLED_MASK register */ -#define XFEATURE_ENABLED_X87 0x00000001 -#define XFEATURE_ENABLED_SSE 0x00000002 -#define XFEATURE_ENABLED_AVX 0x00000004 +#define XFEATURE_ENABLED_X87 0x00000001 +#define XFEATURE_ENABLED_SSE 0x00000002 +#define XFEATURE_ENABLED_YMM_HI128 0x00000004 +#define XFEATURE_ENABLED_AVX XFEATURE_ENABLED_YMM_HI128 +#define XFEATURE_ENABLED_BNDREGS 0x00000008 +#define XFEATURE_ENABLED_BNDCSR 0x00000010 +#define XFEATURE_ENABLED_OPMASK 0x00000020 +#define XFEATURE_ENABLED_ZMM_HI256 0x00000040 +#define XFEATURE_ENABLED_HI16_ZMM 0x00000080 #define XFEATURE_AVX \ (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX) +#define XFEATURE_AVX512 \ + (XFEATURE_ENABLED_OPMASK | XFEATURE_ENABLED_ZMM_HI256 | \ + XFEATURE_ENABLED_HI16_ZMM) +#define XFEATURE_MPX \ + (XFEATURE_ENABLED_BNDREGS | XFEATURE_ENABLED_BNDCSR) /* * CPUID instruction features register @@ -308,7 +319,7 @@ #define AMDID_COREID_SIZE_SHIFT 12 /* - * Structured Extended Features + * CPUID instruction 7 Structured Extended Features, leaf 0 ebx info */ #define CPUID_STDEXT_FSGSBASE 0x00000001 #define CPUID_STDEXT_TSC_ADJUST 0x00000002 @@ -317,12 +328,20 @@ #define CPUID_STDEXT_AVX2 0x00000020 #define CPUID_STDEXT_SMEP 0x00000080 #define CPUID_STDEXT_BMI2 0x00000100 -#define CPUID_STDEXT_ENH_MOVSB 0x00000200 -#define CPUID_STDEXT_RTM 0x00000800 +#define CPUID_STDEXT_ERMS 0x00000200 #define CPUID_STDEXT_INVPCID 0x00000400 +#define CPUID_STDEXT_RTM 0x00000800 +#define CPUID_STDEXT_MPX 0x00004000 +#define CPUID_STDEXT_AVX512F 0x00010000 #define CPUID_STDEXT_RDSEED 0x00040000 #define CPUID_STDEXT_ADX 0x00080000 #define CPUID_STDEXT_SMAP 0x00100000 +#define CPUID_STDEXT_CLFLUSHOPT 0x00800000 +#define CPUID_STDEXT_PROCTRACE 0x02000000 +#define CPUID_STDEXT_AVX512PF 0x04000000 +#define CPUID_STDEXT_AVX512ER 0x08000000 +#define CPUID_STDEXT_AVX512CD 0x10000000 +#define CPUID_STDEXT_SHA 0x20000000 /* * CPUID manufacturers identifiers
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