1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/x86_traits.hh b/src/arch/x86/x86_traits.hh
index 33ec13372..beb1898ce 100644
--- a/src/arch/x86/x86_traits.hh
+++ b/src/arch/x86/x86_traits.hh
@@ -55,6 +55,8 @@
  * Authors: Gabe Black
  */
 
+#include "sim/host.hh"
+
 #ifndef __ARCH_X86_X86TRAITS_HH__
 #define __ARCH_X86_X86TRAITS_HH__
 
@@ -80,6 +82,10 @@ namespace X86ISA
 
     const int NumSegments = 6;
     const int NumSysSegments = 4;
+
+    const Addr IntAddrPrefixMask = ULL(0xffffffff00000000);
+    const Addr IntAddrPrefixCPUID = ULL(0x100000000);
+    const Addr IntAddrPrefixMSR = ULL(0x200000000);
 }
 
 #endif //__ARCH_X86_X86TRAITS_HH__