Date: Mon, 30 Nov 2009 11:11:08 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r199968 - in head/sys: amd64/amd64 amd64/include i386/i386 i386/include Message-ID: <200911301111.nAUBB8qe028431@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: avg Date: Mon Nov 30 11:11:08 2009 New Revision: 199968 URL: http://svn.freebsd.org/changeset/base/199968 Log: x86 cpu features: add MOVBE reporting and flag The check is glimpsed from Linux and OpenSolaris. MOVBE instruction is found in Intel Atom processors. Modified: head/sys/amd64/amd64/identcpu.c head/sys/amd64/include/specialreg.h head/sys/i386/i386/identcpu.c head/sys/i386/include/specialreg.h Modified: head/sys/amd64/amd64/identcpu.c ============================================================================== --- head/sys/amd64/amd64/identcpu.c Mon Nov 30 08:01:18 2009 (r199967) +++ head/sys/amd64/amd64/identcpu.c Mon Nov 30 11:11:08 2009 (r199968) @@ -259,7 +259,7 @@ printcpuinfo(void) "\024SSE4.1" "\025SSE4.2" "\026x2APIC" /* xAPIC Extensions */ - "\027<b22>" + "\027MOVBE" "\030POPCNT" "\031<b24>" "\032<b25>" Modified: head/sys/amd64/include/specialreg.h ============================================================================== --- head/sys/amd64/include/specialreg.h Mon Nov 30 08:01:18 2009 (r199967) +++ head/sys/amd64/include/specialreg.h Mon Nov 30 11:11:08 2009 (r199968) @@ -129,6 +129,7 @@ #define CPUID2_SSE41 0x00080000 #define CPUID2_SSE42 0x00100000 #define CPUID2_X2APIC 0x00200000 +#define CPUID2_MOVBE 0x00400000 #define CPUID2_POPCNT 0x00800000 /* Modified: head/sys/i386/i386/identcpu.c ============================================================================== --- head/sys/i386/i386/identcpu.c Mon Nov 30 08:01:18 2009 (r199967) +++ head/sys/i386/i386/identcpu.c Mon Nov 30 11:11:08 2009 (r199968) @@ -746,7 +746,7 @@ printcpuinfo(void) "\024SSE4.1" "\025SSE4.2" "\026x2APIC" /* xAPIC Extensions */ - "\027<b22>" + "\027MOVBE" "\030POPCNT" "\031<b24>" "\032<b25>" Modified: head/sys/i386/include/specialreg.h ============================================================================== --- head/sys/i386/include/specialreg.h Mon Nov 30 08:01:18 2009 (r199967) +++ head/sys/i386/include/specialreg.h Mon Nov 30 11:11:08 2009 (r199968) @@ -126,6 +126,7 @@ #define CPUID2_SSE41 0x00080000 #define CPUID2_SSE42 0x00100000 #define CPUID2_X2APIC 0x00200000 +#define CPUID2_MOVBE 0x00400000 #define CPUID2_POPCNT 0x00800000 /*
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200911301111.nAUBB8qe028431>