Date: Thu, 8 Jan 2015 16:50:36 +0000 (UTC) From: Sean Bruno <sbruno@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276834 - in head/sys/x86: include x86 Message-ID: <201501081650.t08Goa36072939@svn.freebsd.org>
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Author: sbruno Date: Thu Jan 8 16:50:35 2015 New Revision: 276834 URL: https://svnweb.freebsd.org/changeset/base/276834 Log: Update Features2 to display SDBG capability of processor. This is showing up on Haswell-class CPUs From the Intel SDM, "Table 3-20. Feature Information Returned in the ECX Register" 11 | SDBG | A value of 1 indicates the processor supports IA32_DEBUG_INTERFACE MSR for silicon debug. Submitted by: jiashiun@gmail.com Reviewed by: jhb neel MFC after: 2 weeks Modified: head/sys/x86/include/specialreg.h head/sys/x86/x86/identcpu.c Modified: head/sys/x86/include/specialreg.h ============================================================================== --- head/sys/x86/include/specialreg.h Thu Jan 8 16:35:09 2015 (r276833) +++ head/sys/x86/include/specialreg.h Thu Jan 8 16:50:35 2015 (r276834) @@ -154,6 +154,7 @@ #define CPUID2_TM2 0x00000100 #define CPUID2_SSSE3 0x00000200 #define CPUID2_CNXTID 0x00000400 +#define CPUID2_SDBG 0x00000800 #define CPUID2_FMA 0x00001000 #define CPUID2_CX16 0x00002000 #define CPUID2_XTPR 0x00004000 Modified: head/sys/x86/x86/identcpu.c ============================================================================== --- head/sys/x86/x86/identcpu.c Thu Jan 8 16:35:09 2015 (r276833) +++ head/sys/x86/x86/identcpu.c Thu Jan 8 16:50:35 2015 (r276834) @@ -781,7 +781,7 @@ printcpuinfo(void) "\011TM2" /* Thermal Monitor 2 */ "\012SSSE3" /* SSSE3 */ "\013CNXT-ID" /* L1 context ID available */ - "\014<b11>" + "\014SDBG" /* IA32 silicon debug */ "\015FMA" /* Fused Multiply Add */ "\016CX16" /* CMPXCHG16B Instruction */ "\017xTPR" /* Send Task Priority Messages*/
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