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-rw-r--r--src/arch/sparc/faults.cc11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc
index 4cf411d3b..3ec41ba61 100644
--- a/src/arch/sparc/faults.cc
+++ b/src/arch/sparc/faults.cc
@@ -593,7 +593,16 @@ void PowerOnReset::invoke(ThreadContext * tc)
tc->setMiscReg(MISCREG_PSTATE, 1 << 4);
//Turn on red and hpriv, set everything else to 0
- tc->setMiscReg(MISCREG_HPSTATE, (1 << 5) | (1 << 2));
+ MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE);
+ //HPSTATE.red = 1
+ HPSTATE |= (1 << 5);
+ //HPSTATE.hpriv = 1
+ HPSTATE |= (1 << 2);
+ //HPSTATE.ibe = 0
+ HPSTATE &= ~(1 << 10);
+ //HPSTATE.tlz = 0
+ HPSTATE &= ~(1 << 0);
+ tc->setMiscReg(MISCREG_HPSTATE, HPSTATE);
//The tick register is unreadable by nonprivileged software
tc->setMiscReg(MISCREG_TICK, 1ULL << 63);