diff options
Diffstat (limited to 'src/arch/sparc/faults.cc')
-rw-r--r-- | src/arch/sparc/faults.cc | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc index b1a6ae919..f6cf97872 100644 --- a/src/arch/sparc/faults.cc +++ b/src/arch/sparc/faults.cc @@ -282,17 +282,17 @@ void enterREDState(ThreadContext *tc) { //@todo Disable the mmu? //@todo Disable watchpoints? - MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); + MiscReg HPSTATE = tc->readMiscRegNoEffect(MISCREG_HPSTATE); //HPSTATE.red = 1 HPSTATE |= (1 << 5); //HPSTATE.hpriv = 1 HPSTATE |= (1 << 2); - tc->setMiscRegWithEffect(MISCREG_HPSTATE, HPSTATE); + tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); //PSTATE.priv is set to 1 here. The manual says it should be 0, but //Legion sets it to 1. - MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); + MiscReg PSTATE = tc->readMiscRegNoEffect(MISCREG_PSTATE); PSTATE |= (1 << 2); - tc->setMiscRegWithEffect(MISCREG_PSTATE, PSTATE); + tc->setMiscReg(MISCREG_PSTATE, PSTATE); } /** @@ -302,17 +302,17 @@ void enterREDState(ThreadContext *tc) void doREDFault(ThreadContext *tc, TrapType tt) { - MiscReg TL = tc->readMiscReg(MISCREG_TL); - MiscReg TSTATE = tc->readMiscReg(MISCREG_TSTATE); - MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); - MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); - //MiscReg CCR = tc->readMiscReg(MISCREG_CCR); + MiscReg TL = tc->readMiscRegNoEffect(MISCREG_TL); + MiscReg TSTATE = tc->readMiscRegNoEffect(MISCREG_TSTATE); + MiscReg PSTATE = tc->readMiscRegNoEffect(MISCREG_PSTATE); + MiscReg HPSTATE = tc->readMiscRegNoEffect(MISCREG_HPSTATE); + //MiscReg CCR = tc->readMiscRegNoEffect(MISCREG_CCR); MiscReg CCR = tc->readIntReg(NumIntArchRegs + 2); - MiscReg ASI = tc->readMiscReg(MISCREG_ASI); - MiscReg CWP = tc->readMiscReg(MISCREG_CWP); - //MiscReg CANSAVE = tc->readMiscReg(MISCREG_CANSAVE); - MiscReg CANSAVE = tc->readMiscReg(NumIntArchRegs + 3); - MiscReg GL = tc->readMiscReg(MISCREG_GL); + MiscReg ASI = tc->readMiscRegNoEffect(MISCREG_ASI); + MiscReg CWP = tc->readMiscRegNoEffect(MISCREG_CWP); + //MiscReg CANSAVE = tc->readMiscRegNoEffect(MISCREG_CANSAVE); + MiscReg CANSAVE = tc->readMiscRegNoEffect(NumIntArchRegs + 3); + MiscReg GL = tc->readMiscRegNoEffect(MISCREG_GL); MiscReg PC = tc->readPC(); MiscReg NPC = tc->readNextPC(); @@ -335,25 +335,25 @@ void doREDFault(ThreadContext *tc, TrapType tt) replaceBits(TSTATE, 4, 0, CWP); //Write back TSTATE - tc->setMiscReg(MISCREG_TSTATE, TSTATE); + tc->setMiscRegNoEffect(MISCREG_TSTATE, TSTATE); //set TPC to PC - tc->setMiscReg(MISCREG_TPC, PC); + tc->setMiscRegNoEffect(MISCREG_TPC, PC); //set TNPC to NPC - tc->setMiscReg(MISCREG_TNPC, NPC); + tc->setMiscRegNoEffect(MISCREG_TNPC, NPC); //set HTSTATE.hpstate to hpstate - tc->setMiscReg(MISCREG_HTSTATE, HPSTATE); + tc->setMiscRegNoEffect(MISCREG_HTSTATE, HPSTATE); //TT = trap type; - tc->setMiscReg(MISCREG_TT, tt); + tc->setMiscRegNoEffect(MISCREG_TT, tt); //Update GL - tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxGL)); + tc->setMiscReg(MISCREG_GL, min<int>(GL+1, MaxGL)); PSTATE = mbits(PSTATE, 2, 2); // just save the priv bit PSTATE |= (1 << 4); //set PSTATE.pef to 1 - tc->setMiscReg(MISCREG_PSTATE, PSTATE); + tc->setMiscRegNoEffect(MISCREG_PSTATE, PSTATE); //set HPSTATE.red to 1 HPSTATE |= (1 << 5); @@ -363,7 +363,7 @@ void doREDFault(ThreadContext *tc, TrapType tt) HPSTATE &= ~(1 << 10); //set HPSTATE.tlz to 0 HPSTATE &= ~(1 << 0); - tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); + tc->setMiscRegNoEffect(MISCREG_HPSTATE, HPSTATE); bool changedCWP = true; if(tt == 0x24) @@ -378,7 +378,7 @@ void doREDFault(ThreadContext *tc, TrapType tt) if(changedCWP) { CWP = (CWP + NWindows) % NWindows; - tc->setMiscRegWithEffect(MISCREG_CWP, CWP); + tc->setMiscReg(MISCREG_CWP, CWP); } } @@ -389,17 +389,17 @@ void doREDFault(ThreadContext *tc, TrapType tt) void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) { - MiscReg TL = tc->readMiscReg(MISCREG_TL); - MiscReg TSTATE = tc->readMiscReg(MISCREG_TSTATE); - MiscReg PSTATE = tc->readMiscReg(MISCREG_PSTATE); - MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); - //MiscReg CCR = tc->readMiscReg(MISCREG_CCR); + MiscReg TL = tc->readMiscRegNoEffect(MISCREG_TL); + MiscReg TSTATE = tc->readMiscRegNoEffect(MISCREG_TSTATE); + MiscReg PSTATE = tc->readMiscRegNoEffect(MISCREG_PSTATE); + MiscReg HPSTATE = tc->readMiscRegNoEffect(MISCREG_HPSTATE); + //MiscReg CCR = tc->readMiscRegNoEffect(MISCREG_CCR); MiscReg CCR = tc->readIntReg(NumIntArchRegs + 2); - MiscReg ASI = tc->readMiscReg(MISCREG_ASI); - MiscReg CWP = tc->readMiscReg(MISCREG_CWP); - //MiscReg CANSAVE = tc->readMiscReg(MISCREG_CANSAVE); + MiscReg ASI = tc->readMiscRegNoEffect(MISCREG_ASI); + MiscReg CWP = tc->readMiscRegNoEffect(MISCREG_CWP); + //MiscReg CANSAVE = tc->readMiscRegNoEffect(MISCREG_CANSAVE); MiscReg CANSAVE = tc->readIntReg(NumIntArchRegs + 3); - MiscReg GL = tc->readMiscReg(MISCREG_GL); + MiscReg GL = tc->readMiscRegNoEffect(MISCREG_GL); MiscReg PC = tc->readPC(); MiscReg NPC = tc->readNextPC(); @@ -410,7 +410,7 @@ void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) //Increment the trap level TL++; - tc->setMiscReg(MISCREG_TL, TL); + tc->setMiscRegNoEffect(MISCREG_TL, TL); //Save off state @@ -426,24 +426,24 @@ void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) replaceBits(TSTATE, 4, 0, CWP); //Write back TSTATE - tc->setMiscReg(MISCREG_TSTATE, TSTATE); + tc->setMiscRegNoEffect(MISCREG_TSTATE, TSTATE); //set TPC to PC - tc->setMiscReg(MISCREG_TPC, PC); + tc->setMiscRegNoEffect(MISCREG_TPC, PC); //set TNPC to NPC - tc->setMiscReg(MISCREG_TNPC, NPC); + tc->setMiscRegNoEffect(MISCREG_TNPC, NPC); //set HTSTATE.hpstate to hpstate - tc->setMiscReg(MISCREG_HTSTATE, HPSTATE); + tc->setMiscRegNoEffect(MISCREG_HTSTATE, HPSTATE); //TT = trap type; - tc->setMiscReg(MISCREG_TT, tt); + tc->setMiscRegNoEffect(MISCREG_TT, tt); //Update the global register level if (!gotoHpriv) - tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxPGL)); + tc->setMiscReg(MISCREG_GL, min<int>(GL+1, MaxPGL)); else - tc->setMiscRegWithEffect(MISCREG_GL, min<int>(GL+1, MaxGL)); + tc->setMiscReg(MISCREG_GL, min<int>(GL+1, MaxGL)); //PSTATE.mm is unchanged PSTATE |= (1 << 4); //PSTATE.pef = whether or not an fpu is present @@ -460,12 +460,12 @@ void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) HPSTATE |= (1 << 2); //HPSTATE.hpriv = 1 HPSTATE &= ~(1 << 10); //HPSTATE.ibe = 0 //HPSTATE.tlz is unchanged - tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); + tc->setMiscRegNoEffect(MISCREG_HPSTATE, HPSTATE); } else { // we are going to priv PSTATE |= (1 << 2); //PSTATE.priv = 1 replaceBits(PSTATE, 9, 9, PSTATE >> 8); //PSTATE.cle = PSTATE.tle } - tc->setMiscReg(MISCREG_PSTATE, PSTATE); + tc->setMiscRegNoEffect(MISCREG_PSTATE, PSTATE); bool changedCWP = true; @@ -481,7 +481,7 @@ void doNormalFault(ThreadContext *tc, TrapType tt, bool gotoHpriv) if (changedCWP) { CWP = (CWP + NWindows) % NWindows; - tc->setMiscRegWithEffect(MISCREG_CWP, CWP); + tc->setMiscReg(MISCREG_CWP, CWP); } } @@ -495,14 +495,14 @@ void getREDVector(MiscReg TT, Addr & PC, Addr & NPC) void getHyperVector(ThreadContext * tc, Addr & PC, Addr & NPC, MiscReg TT) { - Addr HTBA = tc->readMiscReg(MISCREG_HTBA); + Addr HTBA = tc->readMiscRegNoEffect(MISCREG_HTBA); PC = (HTBA & ~mask(14)) | ((TT << 5) & mask(14)); NPC = PC + sizeof(MachInst); } void getPrivVector(ThreadContext * tc, Addr & PC, Addr & NPC, MiscReg TT, MiscReg TL) { - Addr TBA = tc->readMiscReg(MISCREG_TBA); + Addr TBA = tc->readMiscRegNoEffect(MISCREG_TBA); PC = (TBA & ~mask(15)) | (TL > 1 ? (1 << 14) : 0) | ((TT << 5) & mask(14)); @@ -519,10 +519,10 @@ void SparcFaultBase::invoke(ThreadContext * tc) //We can refer to this to see what the trap level -was-, but something //in the middle could change it in the regfile out from under us. - MiscReg tl = tc->readMiscReg(MISCREG_TL); - MiscReg tt = tc->readMiscReg(MISCREG_TT); - MiscReg pstate = tc->readMiscReg(MISCREG_PSTATE); - MiscReg hpstate = tc->readMiscReg(MISCREG_HPSTATE); + MiscReg tl = tc->readMiscRegNoEffect(MISCREG_TL); + MiscReg tt = tc->readMiscRegNoEffect(MISCREG_TT); + MiscReg pstate = tc->readMiscRegNoEffect(MISCREG_PSTATE); + MiscReg hpstate = tc->readMiscRegNoEffect(MISCREG_HPSTATE); Addr PC, NPC; @@ -571,15 +571,15 @@ void PowerOnReset::invoke(ThreadContext * tc) //on reset Trap which sets the processor into the following state. //Bits that aren't set aren't defined on startup. - tc->setMiscReg(MISCREG_TL, MaxTL); - tc->setMiscReg(MISCREG_TT, trapType()); - tc->setMiscRegWithEffect(MISCREG_GL, MaxGL); + tc->setMiscRegNoEffect(MISCREG_TL, MaxTL); + tc->setMiscRegNoEffect(MISCREG_TT, trapType()); + tc->setMiscReg(MISCREG_GL, MaxGL); //Turn on pef and priv, set everything else to 0 - tc->setMiscReg(MISCREG_PSTATE, (1 << 4) | (1 << 2)); + tc->setMiscRegNoEffect(MISCREG_PSTATE, (1 << 4) | (1 << 2)); //Turn on red and hpriv, set everything else to 0 - MiscReg HPSTATE = tc->readMiscReg(MISCREG_HPSTATE); + MiscReg HPSTATE = tc->readMiscRegNoEffect(MISCREG_HPSTATE); //HPSTATE.red = 1 HPSTATE |= (1 << 5); //HPSTATE.hpriv = 1 @@ -588,10 +588,10 @@ void PowerOnReset::invoke(ThreadContext * tc) HPSTATE &= ~(1 << 10); //HPSTATE.tlz = 0 HPSTATE &= ~(1 << 0); - tc->setMiscReg(MISCREG_HPSTATE, HPSTATE); + tc->setMiscRegNoEffect(MISCREG_HPSTATE, HPSTATE); //The tick register is unreadable by nonprivileged software - tc->setMiscReg(MISCREG_TICK, 1ULL << 63); + tc->setMiscRegNoEffect(MISCREG_TICK, 1ULL << 63); //Enter RED state. We do this last so that the actual state preserved in //the trap stack is the state from before this fault. @@ -609,7 +609,7 @@ void PowerOnReset::invoke(ThreadContext * tc) // Clear all the soft interrupt bits softint = 0; // disable timer compare interrupts, reset tick_cmpr - tc->setMiscReg(MISCREG_ + tc->setMiscRegNoEffect(MISCREG_ tick_cmprFields.int_dis = 1; tick_cmprFields.tick_cmpr = 0; // Reset to 0 for pretty printing stickFields.npt = 1; //The TICK register is unreadable by by !priv |