1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
2 // All rights reserved.
3 // This component and the accompanying materials are made available
4 // under the terms of the License "Eclipse Public License v1.0"
5 // which accompanies this distribution, and is available
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
14 // e32\nkernsmp\arm\ncmonitor.cpp
15 // Kernel crash debugger - NKERNSMP ARM specific portion
19 #define __INCLUDE_NTHREADBASE_DEFINES__
21 #include <kernel/monitor.h>
25 SFullArmRegSet& RegSet(TInt aCpu)
27 TScheduler* pS = TScheduler::Ptr();
28 TSubScheduler& ss = *pS->iSub[aCpu];
29 return *(SFullArmRegSet*)ss.i_AbtStackTop;
32 void Monitor::DisplaySpinLock(const char* aTitle, TSpinLock* aLock)
34 volatile TUint32* p = (volatile TUint32*)aLock;
35 Printf("%s %08x %08x\r\n", aTitle, p[0], p[1]);
38 EXPORT_C void Monitor::DisplayNThreadInfo(NThread* aT)
40 DisplayNSchedulableInfo(aT);
43 void Monitor::DisplayNSchedulableInfo(NSchedulable* aS)
45 NThread* t = aS->iParent ? (NThread*)aS : 0;
46 NThreadGroup* g = aS->iParent ? 0 : (NThreadGroup*)aS;
48 if (t && aS->iParent==aS)
49 Printf("NThread @%08x Pri %d\r\n",aS,aS->iPriority);
51 Printf("NThread @%08x (G:%08x) Pri %d\r\n",aS,aS->iParent,aS->iPriority);
53 Printf("NThreadGroup @%08x Pri %d\r\n",aS,aS->iPriority);
54 Printf("Rdy=%02x Curr=%02x LastCpu=%d CpuChg=%02x FrzCpu=%d\r\n", aS->iReady, aS->iCurrent, aS->iLastCpu, aS->iCpuChange, aS->iFreezeCpu);
55 Printf("Next=%08x Prev=%08x Parent=%08x CPUaff=%08x\r\n", aS->iNext, aS->iPrev, aS->iParent, aS->iCpuAffinity);
56 Printf("PauseCount %02x Susp %1x\r\n", aS->iPauseCount, aS->iSuspended);
57 DisplaySpinLock("SpinLock", &aS->iSSpinLock);
58 Printf("Stopping %02x Events %08x %08x EventState %08x\r\n", aS->iStopping, aS->iEvents.iA.iNext, aS->iEvents.iA.iPrev, aS->iEventState);
59 Printf("TotalCpuTime %08x %08x RunCount %08x %08x\r\n", aS->iTotalCpuTime32[1], aS->iTotalCpuTime32[0], aS->iRunCount32[1], aS->iRunCount32[0]);
67 Printf("WaitState %02x %02x [%02x %02x] (%08x)\r\n", t->iWaitState.iWtC.iWtStFlags, t->iWaitState.iWtC.iWtObjType,
68 t->iWaitState.iWtC.iWtStSpare1, t->iWaitState.iWtC.iWtStSpare2, t->iWaitState.iWtC.iWtObj);
69 Printf("BasePri %d MutexPri %d Att=%02x\r\n", t->iBasePri, t->iMutexPri, t->i_ThrdAttr);
70 Printf("HeldFM=%08x FMDef=%02x AddrSp=%08x\r\n", t->iHeldFastMutex, t->iFastMutexDefer, t->iAddressSpace);
71 Printf("Time=%d Timeslice=%d ReqCount=%08x\r\n", t->iTime, t->iTimeslice, t->iRequestSemaphore.iCount);
72 Printf("SuspendCount=%d CsCount=%d CsFunction=%08x\r\n", t->iSuspendCount, t->iCsCount, t->iCsFunction);
73 Printf("LinkedObjType %02x LinkedObj %08x\r\n", t->iLinkedObjType, t->iLinkedObj);
74 Printf("SavedSP=%08x WaitLink:%08x %08x %d\r\n", t->iSavedSP, t->iWaitLink.iNext, t->iWaitLink.iPrev, t->iWaitLink.iPriority);
75 Printf("iNewParent=%08x iExtraContext=%08x, iExtraContextSize=%08x\r\n", t->iNewParent, t->iExtraContext, t->iExtraContextSize);
76 Printf("iUserModeCallbacks=%08x iNThreadBaseSpare6=%08x\r\n", t->iUserModeCallbacks, t->iNThreadBaseSpare6);
77 Printf("iNThreadBaseSpare7=%08x iNThreadBaseSpare8=%08x iNThreadBaseSpare9=%08x\r\n", t->iNThreadBaseSpare7, t->iNThreadBaseSpare8, t->iNThreadBaseSpare9);
80 TUint32* pS=(TUint32*)t->iSavedSP;
81 SThreadReschedStack reg;
82 MTRAPD(r,wordmove(®,pS,sizeof(SThreadReschedStack)));
85 Printf("TEEHBR %08x UROTID %08x URWTID %08x FPEXC %08x\r\n", reg.iTEEHBR, reg.iRWROTID, reg.iRWRWTID, reg.iFpExc);
86 Printf(" CAR %08x DACR %08x\r\n", reg.iCar, reg.iDacr);
87 Printf(" SPARE %08x SPSR %08x SPRSCH %08x R15 %08x\r\n", reg.iSpare, reg.iSpsrSvc, reg.iSPRschdFlg, reg.iR15);
93 void Monitor::DisplayNFastSemInfo(NFastSemaphore* pS)
96 Printf("NFastSemaphore @ %08x Count %d OwningThread %08x\r\n",pS,pS->iCount,pS->iOwningThread);
98 Printf("NFastSemaphore @ %08x Count %08x (%08x) OwningThread %08x\r\n",pS,pS->iCount,pS->iCount<<2,pS->iOwningThread);
101 void Monitor::DisplayNFastMutexInfo(NFastMutex* aM)
103 Printf("NFastMutex @ %08x HoldingThread %08x iWaitQ Pri Mask %08x %08x\r\n", aM, aM->iHoldingThread, aM->iWaitQ.iPresent[1], aM->iWaitQ.iPresent[0]);
104 DisplaySpinLock("SpinLock", &aM->iMutexLock);
107 void DisplaySubSchedulerInfo(Monitor& m, TSubScheduler& ss)
109 m.Printf("\r\nSUBSCHEDULER %d @%08x:\r\n", ss.iCpuNum, &ss);
110 m.Printf("CurrentThread=%08x\r\n", ss.iCurrentThread);
111 m.Printf("IDFCs %08x %08x CPU# %08x CPUmask %08x\r\n", ss.iDfcs.iA.iNext, ss.iDfcs.iA.iPrev, ss.iCpuNum, ss.iCpuMask);
112 m.Printf("ExIDFCs %08x %08x CurIDFC %08x PendFlg %08x\r\n", ss.iExIDfcs.iA.iNext, ss.iExIDfcs.iA.iPrev, ss.iCurrentIDFC, *(TUint32*)&ss.iRescheduleNeededFlag);
113 m.DisplaySpinLock("ExIDfcLock", &ss.iExIDfcLock);
114 m.Printf("KLCount %d InIDFC %02x EvPend %02x\r\n", ss.iKernLockCount, ss.iInIDFC, ss.iEventHandlersPending);
115 m.Printf("AddrSp %08x RschdIPIs %08x iNextIPI %08x\r\n", ss.iAddressSpace, ss.iReschedIPIs, ss.iNextIPI);
116 m.DisplaySpinLock("ReadyListLock", &ss.iReadyListLock);
117 m.Printf("EvtHand %08x %08x InitThrd %08x SLOC %08x %08x\r\n", ss.iEventHandlers.iA.iNext, ss.iEventHandlers.iA.iPrev,
118 ss.iInitialThread, I64HIGH(ss.iSpinLockOrderCheck), I64LOW(ss.iSpinLockOrderCheck));
119 m.DisplaySpinLock("EventHandlerLock", &ss.iEventHandlerLock);
120 m.Printf("Extras[ 0] %08x Extras[ 1] %08x Extras[ 2] %08x Extras[ 3] %08x\r\n", ss.iExtras[0], ss.iExtras[1], ss.iExtras[2], ss.iExtras[3]);
121 m.Printf("i_ScuAddr %08x i_GicDist %08x i_GicCpuIf %08x i_LocTmrA %08x\r\n", ss.i_ScuAddr, ss.i_GicDistAddr, ss.i_GicCpuIfcAddr, ss.i_LocalTimerAddr);
122 m.Printf("i_IrqCount %08x i_IrqNest %08x i_ExcInfo %08x i_CrashSt %08x\r\n", ss.i_IrqCount, ss.i_IrqNestCount, ss.i_ExcInfo, ss.i_CrashState);
123 m.Printf("i_AbtStkTp %08x i_UndSktTp %08x i_FiqStkTp %08x i_IrqStkTp %08x\r\n", ss.i_AbtStackTop, ss.i_UndStackTop, ss.i_FiqStackTop, ss.i_IrqStackTop);
124 m.Printf("i_TmrMultF %08x i_TmrMultI %08x i_CpuMult %08x Extras[13] %08x\r\n", ss.i_TimerMultF, ss.i_TimerMultI, ss.i_CpuMult, ss.iExtras[19]);
125 m.Printf("i_LstTmrSt %08x i_TstmpErr %08x i_MaxCorr %08x i_TimerGap %08x\r\n", ss.iExtras[20], ss.iExtras[21], ss.iExtras[22], ss.iExtras[23]);
126 m.Printf("iLastTimestamp %08x %08x iReschedCount %08x %08x\r\n", ss.iLastTimestamp32[1], ss.iLastTimestamp32[0], ss.iReschedCount32[1], ss.iReschedCount32[0]);
129 void Monitor::DisplaySchedulerInfo()
131 TScheduler* pS=TScheduler::Ptr();
132 Printf("SCHEDULER @%08x:\r\n",pS);
133 Printf("ProcessHandler=%08x MonitorExceptionHandler=%08x RescheduleHook=%08x\r\n",pS->iProcessHandler,pS->iMonitorExceptionHandler,pS->iRescheduleHook);
134 Printf("iActiveCpus1=%08x, iActiveCpus2=%08x, iNumCpus=%d\r\n",pS->iActiveCpus1,pS->iActiveCpus2,pS->iNumCpus);
135 Printf("SYSLOCK @ %08x\r\n",&pS->iLock);
136 DisplayNFastMutexInfo(&pS->iLock);
137 DisplaySpinLock("IdleSpinLock", &pS->iIdleSpinLock);
138 Printf("IdleDfcs %08x %08x CpusNotIdle %08x IdleGeneration %02x IdleSpillCpu %02x\r\n",
139 pS->iIdleDfcs.iA.iNext, pS->iIdleDfcs.iA.iPrev, pS->iCpusNotIdle, pS->iIdleGeneration, pS->iIdleSpillCpu);
140 Printf("Extras 0: %08x 1: %08x 2: %08x 3: %08x\r\n",pS->iExtras[0],pS->iExtras[1],pS->iExtras[2],pS->iExtras[3]);
141 Printf("Extras 4: %08x 5: %08x 6: %08x 7: %08x\r\n",pS->iExtras[4],pS->iExtras[5],pS->iExtras[6],pS->iExtras[7]);
142 Printf("Extras 8: %08x 9: %08x A: %08x B: %08x\r\n",pS->iExtras[8],pS->iExtras[9],pS->iExtras[10],pS->iExtras[11]);
143 Printf("Extras C: %08x D: %08x E: %08x F: %08x\r\n",pS->iExtras[12],pS->iExtras[13],pS->iExtras[14],pS->iExtras[15]);
144 Printf("Extras 10: %08x 11: %08x 12: %08x 13: %08x\r\n",pS->iExtras[16],pS->iExtras[17],pS->iExtras[18],pS->iExtras[19]);
145 Printf("Extras 14: %08x 15: %08x 16: %08x 17: %08x\r\n",pS->iExtras[20],pS->iExtras[21],pS->iExtras[22],pS->iExtras[23]);
148 for (i=0; i<KMaxCpus; ++i)
150 TSubScheduler& ss = *pS->iSub[i];
151 DisplaySubSchedulerInfo(*this,ss);
155 void DumpRegisters(Monitor& m, SFullArmRegSet& a)
157 SNormalRegs& r = a.iN;
158 m.Printf("MODE_USR:\r\n");
159 m.Printf(" R0=%08x R1=%08x R2=%08x R3=%08x\r\n", r.iR0, r.iR1, r.iR2, r.iR3);
160 m.Printf(" R4=%08x R5=%08x R6=%08x R7=%08x\r\n", r.iR4, r.iR5, r.iR6, r.iR7);
161 m.Printf(" R8=%08x R9=%08x R10=%08x R11=%08x\r\n", r.iR8, r.iR9, r.iR10, r.iR11);
162 m.Printf("R12=%08x R13=%08x R14=%08x R15=%08x\r\n", r.iR12, r.iR13, r.iR14, r.iR15);
163 m.Printf("CPSR=%08x\r\n", r.iFlags);
164 m.Printf("MODE_FIQ:\r\n");
165 m.Printf(" R8=%08x R9=%08x R10=%08x R11=%08x\r\n", r.iR8Fiq, r.iR9Fiq, r.iR10Fiq, r.iR11Fiq);
166 m.Printf("R12=%08x R13=%08x R14=%08x SPSR=%08x\r\n", r.iR12Fiq, r.iR13Fiq, r.iR14Fiq, r.iSpsrFiq);
167 m.Printf("MODE_IRQ:\r\n");
168 m.Printf("R13=%08x R14=%08x SPSR=%08x\r\n", r.iR13Irq, r.iR14Irq, r.iSpsrIrq);
169 m.Printf("MODE_SVC:\r\n");
170 m.Printf("R13=%08x R14=%08x SPSR=%08x\r\n", r.iR13Svc, r.iR14Svc, r.iSpsrSvc);
171 m.Printf("MODE_ABT:\r\n");
172 m.Printf("R13=%08x R14=%08x SPSR=%08x\r\n", r.iR13Abt, r.iR14Abt, r.iSpsrAbt);
173 m.Printf("MODE_UND:\r\n");
174 m.Printf("R13=%08x R14=%08x SPSR=%08x\r\n", r.iR13Und, r.iR14Und, r.iSpsrUnd);
175 // m.Printf("MODE_MON:\r\n");
176 // m.Printf("R13=%08x R14=%08x SPSR=%08x\r\n", r.iR13Mon, r.iR14Mon, r.iSpsrMon);
178 SAuxiliaryRegs& aux = a.iA;
179 m.Printf("TEEHBR=%08x CPACR=%08x\r\n", aux.iTEEHBR, aux.iCPACR);
181 SBankedRegs& b = a.iB[0];
182 m.Printf(" SCTLR=%08x ACTLR=%08x PRRR=%08x NMRR=%08x\r\n", b.iSCTLR, b.iACTLR, b.iPRRR, b.iNMRR);
183 m.Printf(" DACR=%08x TTBR0=%08x TTBR1=%08x TTBCR=%08x\r\n", b.iDACR, b.iTTBR0, b.iTTBR1, b.iTTBCR);
184 m.Printf(" VBAR=%08x FCSEID=%08x CTXIDR=%08x\r\n", b.iVBAR, b.iFCSEIDR, b.iCTXIDR);
185 m.Printf("Thread ID RWRW=%08x RWRO=%08x RWNO=%08x\r\n", b.iRWRWTID, b.iRWROTID, b.iRWNOTID);
187 extern TUint32 GetMMUID();
188 m.Printf(" MMUID %08x\r\n", GetMMUID());
191 m.Printf("FPEXC %08x\r\n", a.iMore[0]);
193 #ifdef __CPU_HAS_CACHE_TYPE_REGISTER
194 extern TUint32 GetCacheType();
195 m.Printf("CTYPE %08x\r\n", GetCacheType());
200 EXPORT_C void Monitor::DumpCpuRegisters()
203 for (i=0; i<KMaxCpus; ++i)
205 Printf("CPU %d\r\n--------------------------------------------------------------------------------\r\n", i);
206 SFullArmRegSet& r = RegSet(i);
207 DumpRegisters(*this, r);
212 EXPORT_C void Monitor::DisplayCpuFaultInfo()
214 TScheduler* pS=TScheduler::Ptr();
216 for (i=0; i<KMaxCpus; ++i)
218 Printf("CPU %d:\r\n", i);
219 TSubScheduler& ss = *pS->iSub[i];
222 SFullArmRegSet& r = *(SFullArmRegSet*)ss.i_Regs;
224 Printf("Exc %1d Cpsr=%08x FAR=%08x FSR=%08x\r\n", r.iExcCode, r.iN.iFlags, r.iB[0].iDFAR, r.iB[0].iDFSR);
225 Printf(" R0=%08x R1=%08x R2=%08x R3=%08x\r\n", r.iN.iR0, r.iN.iR1, r.iN.iR2, r.iN.iR3);
226 Printf(" R4=%08x R5=%08x R6=%08x R7=%08x\r\n", r.iN.iR4, r.iN.iR5, r.iN.iR6, r.iN.iR7);
227 Printf(" R8=%08x R9=%08x R10=%08x R11=%08x\r\n", r.iN.iR8, r.iN.iR9, r.iN.iR10, r.iN.iR11);
228 Printf("R12=%08x R13=%08x R14=%08x R15=%08x\r\n", r.iN.iR12, r.iN.iR13, r.iN.iR14, r.iN.iR15);
229 Printf("R13Svc=%08x R14Svc=%08x SpsrSvc=%08x\r\n", r.iN.iR13Svc, r.iN.iR14Svc, r.iN.iSpsrSvc);
234 EXPORT_C void Monitor::GetStackPointers(NThread* aThread, TUint& aSupSP, TUint& aUsrSP)
236 // TScheduler* pS = TScheduler::Ptr();
237 if (aThread->iCurrent)
239 TInt i = aThread->iLastCpu;
240 aSupSP = RegSet(i).iN.iR13Svc;
241 aUsrSP = RegSet(i).iN.iR13;
245 aSupSP = (TUint)aThread->iSavedSP;
246 SThreadExcStack* txs = (SThreadExcStack*)((TLinAddr)aThread->iStackBase + (TLinAddr)aThread->iStackSize);
248 if (txs->iExcCode != SThreadExcStack::EInit && txs->iExcCode != SThreadExcStack::EStub)
249 aUsrSP = txs->iR13usr;