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-rw-r--r--src/arch/x86/x86_traits.hh1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/x86/x86_traits.hh b/src/arch/x86/x86_traits.hh
index beb1898ce..dd9258db0 100644
--- a/src/arch/x86/x86_traits.hh
+++ b/src/arch/x86/x86_traits.hh
@@ -86,6 +86,7 @@ namespace X86ISA
const Addr IntAddrPrefixMask = ULL(0xffffffff00000000);
const Addr IntAddrPrefixCPUID = ULL(0x100000000);
const Addr IntAddrPrefixMSR = ULL(0x200000000);
+ const Addr IntAddrPrefixIO = ULL(0x300000000);
}
#endif //__ARCH_X86_X86TRAITS_HH__