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
/*
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