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-rw-r--r--src/arch/x86/miscregs.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/arch/x86/miscregs.hh b/src/arch/x86/miscregs.hh
index 8080bd90b..15932f92c 100644
--- a/src/arch/x86/miscregs.hh
+++ b/src/arch/x86/miscregs.hh
@@ -117,6 +117,9 @@ namespace X86ISA
// Flags register
MISCREG_RFLAGS = MISCREG_DR_BASE + NumDRegs,
+ // Extended feature enable register
+ MISCREG_EFER,
+
// Segment selectors
MISCREG_SEG_SEL_BASE,
MISCREG_ES = MISCREG_SEG_SEL_BASE,