From cd6380605c55bb9127d7f33ab717892642884e85 Mon Sep 17 00:00:00 2001
From: Gabe Black <gabeblack@google.com>
Date: Tue, 6 Jan 2015 22:15:00 -0800
Subject: [PATCH] x86: Enable three bits in the FamilyModelStepping ECX CPUID
 bitfield.

These are for the monitor/mwait instructions, SSSE3, and XSAVE.
---
 src/arch/x86/cpuid.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/arch/x86/cpuid.cc b/src/arch/x86/cpuid.cc
index f3f9a82d7..bcafa8d40 100644
--- a/src/arch/x86/cpuid.cc
+++ b/src/arch/x86/cpuid.cc
@@ -154,7 +154,7 @@ namespace X86ISA {
                 break;
               case FamilyModelStepping:
                 result = CpuidResult(0x00020f51, 0x00000805,
-                                     0xe7dbfbff, 0x00000001);
+                                     0xe7dbfbff, 0x04000209);
                 break;
               default:
                 warn("x86 cpuid: unimplemented function %u", funcNum);
-- 
2.30.2