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-rw-r--r--src/arch/x86/utility.hh7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/arch/x86/utility.hh b/src/arch/x86/utility.hh
index 477a76e0b..6f0812a6a 100644
--- a/src/arch/x86/utility.hh
+++ b/src/arch/x86/utility.hh
@@ -93,7 +93,12 @@ namespace X86ISA
static inline bool
inUserMode(ThreadContext *tc)
{
- return false;
+#if FULL_SYSTEM
+ HandyM5Reg m5reg = tc->readMiscRegNoEffect(MISCREG_M5_REG);
+ return m5reg.cpl == 3;
+#else
+ return true;
+#endif
}
inline bool isCallerSaveIntegerRegister(unsigned int reg) {