Author: jhb
Date: Mon Apr 9 15:20:16 2012
New Revision: 234059
URL: http://svn.freebsd.org/changeset/base/234059
Log:
Recognize the RDRAND instruction feature.
Submitted by: Michael Fuckner michael fuckner net
MFC after: 3 days
Modified:
head/sys/amd64/amd64/identcpu.c
head/sys/i386/i386/identcpu.c
head/sys/x86/include/specialreg.h
Modified: head/sys/amd64/amd64/identcpu.c
==============================================================================
--- head/sys/amd64/amd64/identcpu.c Mon Apr 9 14:47:18 2012
(r234058)
+++ head/sys/amd64/amd64/identcpu.c Mon Apr 9 15:20:16 2012
(r234059)
@@ -303,7 +303,7 @@ printcpuinfo(void)
"\034OSXSAVE" /* OS-Enabled State Management*/
"\035AVX" /* Advanced Vector Extensions */
"\036F16C" /* Half-precision conversions */
- "\037<b30>"
+ "\037RDRAND" /* RDRAND Instruction */
"\040HV" /* Hypervisor */
);
}
Modified: head/sys/i386/i386/identcpu.c
==============================================================================
--- head/sys/i386/i386/identcpu.c Mon Apr 9 14:47:18 2012
(r234058)
+++ head/sys/i386/i386/identcpu.c Mon Apr 9 15:20:16 2012
(r234059)
@@ -779,7 +779,7 @@ printcpuinfo(void)
"\034OSXSAVE" /* OS-Enabled State Management*/
"\035AVX" /* Advanced Vector Extensions */
"\036F16C" /* Half-precision conversions */
- "\037<b30>"
+ "\037RDRAND" /* RDRAND Instruction */
"\040HV" /* Hypervisor */
);
}
Modified: head/sys/x86/include/specialreg.h
==============================================================================
--- head/sys/x86/include/specialreg.h Mon Apr 9 14:47:18 2012
(r234058)
+++ head/sys/x86/include/specialreg.h Mon Apr 9 15:20:16 2012
(r234059)
@@ -153,6 +153,7 @@
#define CPUID2_OSXSAVE 0x08000000
#define CPUID2_AVX 0x10000000
#define CPUID2_F16C 0x20000000
+#define CPUID2_RDRAND 0x40000000
#define CPUID2_HV 0x80000000
/*
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