From 24b943fa1cd18d74d2bdc49472500d1cd7622082 Mon Sep 17 00:00:00 2001 From: jhb Date: Mon, 9 Apr 2012 15:20:16 +0000 Subject: [PATCH] Recognize the RDRAND instruction feature. Submitted by: Michael Fuckner michael fuckner net MFC after: 3 days --- sys/amd64/amd64/identcpu.c | 2 +- sys/i386/i386/identcpu.c | 2 +- sys/x86/include/specialreg.h | 1 + 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/sys/amd64/amd64/identcpu.c b/sys/amd64/amd64/identcpu.c index 805ba1e3dce4..62db86b2f6a2 100644 --- a/sys/amd64/amd64/identcpu.c +++ b/sys/amd64/amd64/identcpu.c @@ -303,7 +303,7 @@ printcpuinfo(void) "\034OSXSAVE" /* OS-Enabled State Management*/ "\035AVX" /* Advanced Vector Extensions */ "\036F16C" /* Half-precision conversions */ - "\037" + "\037RDRAND" /* RDRAND Instruction */ "\040HV" /* Hypervisor */ ); } diff --git a/sys/i386/i386/identcpu.c b/sys/i386/i386/identcpu.c index de0ee09a8ce2..e603892d5390 100644 --- a/sys/i386/i386/identcpu.c +++ b/sys/i386/i386/identcpu.c @@ -779,7 +779,7 @@ printcpuinfo(void) "\034OSXSAVE" /* OS-Enabled State Management*/ "\035AVX" /* Advanced Vector Extensions */ "\036F16C" /* Half-precision conversions */ - "\037" + "\037RDRAND" /* RDRAND Instruction */ "\040HV" /* Hypervisor */ ); } diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h index ce50e9aac847..c9a1240e4033 100644 --- a/sys/x86/include/specialreg.h +++ b/sys/x86/include/specialreg.h @@ -153,6 +153,7 @@ #define CPUID2_OSXSAVE 0x08000000 #define CPUID2_AVX 0x10000000 #define CPUID2_F16C 0x20000000 +#define CPUID2_RDRAND 0x40000000 #define CPUID2_HV 0x80000000 /*