1 // Copyright (c) 2006-2009 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\x86\ncmonitor.cpp
15 // Kernel crash debugger - NKERN X86 specific portion
19 #define __INCLUDE_NTHREADBASE_DEFINES__
23 #include <kernel/monitor.h>
26 void Monitor::DisplaySpinLock(const char* aTitle, TSpinLock* aLock)
28 volatile TUint32* p = (volatile TUint32*)aLock;
29 Printf("%s %08x %08x\r\n", aTitle, p[0], p[1]);
32 EXPORT_C void Monitor::DisplayNThreadInfo(NThread* aT)
34 DisplayNSchedulableInfo(aT);
37 void Monitor::DisplayNSchedulableInfo(NSchedulable* aS)
39 NThread* t = aS->iParent ? (NThread*)aS : 0;
40 NThreadGroup* g = aS->iParent ? 0 : (NThreadGroup*)aS;
42 if (t && aS->iParent==aS)
43 Printf("NThread @%08x Pri %d\r\n",aS,aS->iPriority);
45 Printf("NThread @%08x (G:%08x) Pri %d\r\n",aS,aS->iParent,aS->iPriority);
47 Printf("NThreadGroup @%08x Pri %d\r\n",aS,aS->iPriority);
48 Printf("Rdy=%02x Curr=%02x LastCpu=%d CpuChg=%02x FrzCpu=%d\r\n", aS->iReady, aS->iCurrent, aS->iLastCpu, aS->iCpuChange, aS->iFreezeCpu);
49 Printf("Next=%08x Prev=%08x Parent=%08x CPUaff=%08x\r\n", aS->iNext, aS->iPrev, aS->iParent, aS->iCpuAffinity);
50 Printf("PauseCount %02x Susp %1x\r\n", aS->iPauseCount, aS->iSuspended);
51 DisplaySpinLock("SpinLock", &aS->iSSpinLock);
52 Printf("Stopping %02x Events %08x %08x EventState %08x\r\n", aS->iStopping, aS->iEvents.iA.iNext, aS->iEvents.iA.iPrev, aS->iEventState);
53 Printf("TotalCpuTime %08x %08x RunCount %08x %08x\r\n", aS->iTotalCpuTime32[1], aS->iTotalCpuTime32[0], aS->iRunCount32[1], aS->iRunCount32[0]);
61 Printf("WaitState %02x %02x [%02x %02x] (%08x)\r\n", t->iWaitState.iWtC.iWtStFlags, t->iWaitState.iWtC.iWtObjType,
62 t->iWaitState.iWtC.iWtStSpare1, t->iWaitState.iWtC.iWtStSpare2, t->iWaitState.iWtC.iWtObj);
63 Printf("BasePri %d MutexPri %d Att=%02x\r\n", t->iBasePri, t->iMutexPri, t->i_ThrdAttr);
64 Printf("HeldFM=%08x FMDef=%02x AddrSp=%08x\r\n", t->iHeldFastMutex, t->iFastMutexDefer, t->iAddressSpace);
65 Printf("Time=%d Timeslice=%d ReqCount=%08x\r\n", t->iTime, t->iTimeslice, t->iRequestSemaphore.iCount);
66 Printf("SuspendCount=%d CsCount=%d CsFunction=%08x\r\n", t->iSuspendCount, t->iCsCount, t->iCsFunction);
67 Printf("LinkedObjType %02x LinkedObj %08x\r\n", t->iLinkedObjType, t->iLinkedObj);
68 Printf("SavedSP=%08x WaitLink:%08x %08x %d\r\n", t->iSavedSP, t->iWaitLink.iNext, t->iWaitLink.iPrev, t->iWaitLink.iPriority);
69 Printf("iNewParent=%08x iExtraContext=%08x, iExtraContextSize=%08x\r\n", t->iNewParent, t->iExtraContext, t->iExtraContextSize);
70 Printf("iUserModeCallbacks=%08x iNThreadBaseSpare6=%08x\r\n", t->iUserModeCallbacks, t->iNThreadBaseSpare6);
71 Printf("iNThreadBaseSpare7=%08x iNThreadBaseSpare8=%08x iNThreadBaseSpare9=%08x\r\n", t->iNThreadBaseSpare7, t->iNThreadBaseSpare8, t->iNThreadBaseSpare9);
74 TUint32* pS=(TUint32*)t->iSavedSP;
75 SThreadReschedStack reg;
76 MTRAPD(r,wordmove(®,pS,sizeof(SThreadReschedStack)));
79 Printf("CR0 %08x RsF %08x EIP %08x RSN %08x\r\n", reg.iCR0, reg.iReschedFlag, reg.iEip, reg.iReason);
85 void Monitor::DisplayNFastSemInfo(NFastSemaphore* pS)
88 Printf("NFastSemaphore @ %08x Count %d OwningThread %08x\r\n",pS,pS->iCount,pS->iOwningThread);
90 Printf("NFastSemaphore @ %08x Count %08x (%08x) OwningThread %08x\r\n",pS,pS->iCount,pS->iCount<<2,pS->iOwningThread);
93 void Monitor::DisplayNFastMutexInfo(NFastMutex* aM)
95 Printf("NFastMutex @ %08x HoldingThread %08x iWaitQ Pri Mask %08x %08x\r\n", aM, aM->iHoldingThread, aM->iWaitQ.iPresent[1], aM->iWaitQ.iPresent[0]);
96 DisplaySpinLock("SpinLock", &aM->iMutexLock);
99 void DisplaySubSchedulerInfo(Monitor& m, TSubScheduler& ss)
101 m.Printf("\r\nSUBSCHEDULER %d @%08x:\r\n",ss.iCpuNum,&ss);
102 m.Printf("CurrentThread=%08x\r\n", ss.iCurrentThread);
103 m.Printf("DFCS %08x %08x CPU# %08x CPUmask %08x\r\n", ss.iDfcs.iA.iNext, ss.iDfcs.iA.iPrev, ss.iCpuNum, ss.iCpuMask);
104 m.Printf("KLCount %d DFCPending %02x ReschedNeeded %02x InIDFC %02x\r\n", ss.iKernLockCount, ss.iDfcPendingFlag, ss.iRescheduleNeededFlag, ss.iInIDFC);
105 m.Printf("AddressSpace=%08x ReschedIPIs=%08x iNextIPI %08x\r\n", ss.iAddressSpace, ss.iReschedIPIs, ss.iNextIPI);
106 volatile TUint32* pL = (volatile TUint32*)&ss.iReadyListLock;
107 m.Printf("SpinLock %08x %08x %08x %08x\r\n", pL[0], pL[1], pL[2], pL[3]);
108 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]);
109 m.Printf("Extras[ 4] %08x Extras[ 5] %08x Extras[ 6] %08x Extras[ 7] %08x\r\n", ss.iExtras[4], ss.iExtras[5], ss.iExtras[6], ss.iExtras[7]);
110 m.Printf("Extras[ 8] %08x i_IrqCount %08x i_ExcInfo %08x i_CrashSt %08x\r\n", ss.iExtras[8], ss.i_IrqCount, ss.i_ExcInfo, ss.i_CrashState);
111 m.Printf("i_APICID %08x i_IrqNestC %08x i_IrqStkTp %08x i_Tss %08x\r\n", ss.i_APICID, ss.i_IrqNestCount, ss.i_IrqStackTop, ss.i_Tss);
112 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]);
113 m.Printf("i_TmOffL %08x i_TmOffH %08x Extras[16] %08x Extras[17] %08x\r\n", ss.iExtras[20], ss.iExtras[21], ss.iExtras[22], ss.iExtras[23]);
114 m.Printf("iLastTimestamp %08x %08x iReschedCount %08x %08x\r\n", ss.iLastTimestamp32[1], ss.iLastTimestamp32[0], ss.iReschedCount32[1], ss.iReschedCount32[0]);
117 void Monitor::DisplaySchedulerInfo()
119 TScheduler* pS=TScheduler::Ptr();
120 Printf("SCHEDULER @%08x:\r\n",pS);
121 Printf("ProcessHandler=%08x MonitorExceptionHandler=%08x RescheduleHook=%08x\r\n",pS->iProcessHandler,pS->iMonitorExceptionHandler,pS->iRescheduleHook);
122 Printf("iActiveCpus1=%08x, iActiveCpus2=%08x, iNumCpus=%d\r\n",pS->iActiveCpus1,pS->iActiveCpus2,pS->iNumCpus);
123 Printf("SYSLOCK @ %08x\r\n",&pS->iLock);
124 DisplayNFastMutexInfo(&pS->iLock);
125 DisplaySpinLock("IdleSpinLock", &pS->iIdleSpinLock);
126 Printf("IdleDfcs %08x %08x CpusNotIdle %08x IdleGeneration %02x IdleSpillCpu %02x\r\n",
127 pS->iIdleDfcs.iA.iNext, pS->iIdleDfcs.iA.iPrev, pS->iCpusNotIdle, pS->iIdleGeneration, pS->iIdleSpillCpu);
128 Printf("Extras 0: %08x 1: %08x 2: %08x 3: %08x\r\n",pS->iExtras[0],pS->iExtras[1],pS->iExtras[2],pS->iExtras[3]);
129 Printf("Extras 4: %08x 5: %08x 6: %08x 7: %08x\r\n",pS->iExtras[4],pS->iExtras[5],pS->iExtras[6],pS->iExtras[7]);
130 Printf("Extras 8: %08x 9: %08x A: %08x B: %08x\r\n",pS->iExtras[8],pS->iExtras[9],pS->iExtras[10],pS->iExtras[11]);
131 Printf("Extras C: %08x D: %08x E: %08x F: %08x\r\n",pS->iExtras[12],pS->iExtras[13],pS->iExtras[14],pS->iExtras[15]);
132 Printf("Extras 10: %08x 11: %08x 12: %08x 13: %08x\r\n",pS->iExtras[16],pS->iExtras[17],pS->iExtras[18],pS->iExtras[19]);
133 Printf("Extras 14: %08x 15: %08x 16: %08x 17: %08x\r\n",pS->iExtras[20],pS->iExtras[21],pS->iExtras[22],pS->iExtras[23]);
136 for (i=0; i<KMaxCpus; ++i)
138 TSubScheduler& ss = *pS->iSub[i];
139 DisplaySubSchedulerInfo(*this,ss);
143 SFullX86RegSet& RegSet(TInt aCpu)
145 TScheduler* pS=TScheduler::Ptr();
146 TSubScheduler& ss = *pS->iSub[aCpu];
147 SCpuData* cpudata = (SCpuData*)ss.i_Tss;
148 return cpudata->iRegs;
151 TX86Tss& TSS(TInt aCpu)
153 TScheduler* pS=TScheduler::Ptr();
154 TSubScheduler& ss = *pS->iSub[aCpu];
155 return *(TX86Tss*)ss.i_Tss;
158 void Monitor::DumpCpuRegisters()
161 for (i=0; i<KMaxCpus; ++i)
163 SFullX86RegSet& r = RegSet(i);
164 Printf("CPU %d:\r\n", i);
165 Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",r.iEax,r.iEbx,r.iEcx,r.iEdx);
166 Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",r.iEsp,r.iEbp,r.iEsi,r.iEdi);
167 Printf(" CS=%08x EIP=%08x EFL=%08x SS=%08x\r\n",r.iCs,r.iEip,r.iEflags,r.iSs);
168 Printf(" DS=%08x ES=%08x FS=%08x GS=%08x\r\n",r.iDs,r.iEs,r.iFs,r.iGs);
169 Printf("IrqNest=%08x\r\n",r.iIrqNestCount);
174 void Monitor::DisplayCpuFaultInfo()
176 TScheduler* pS=TScheduler::Ptr();
178 for (i=0; i<KMaxCpus; ++i)
180 Printf("CPU %d:\r\n", i);
181 TSubScheduler& ss = *pS->iSub[i];
184 TX86ExcInfo& a = *(TX86ExcInfo*)ss.i_ExcInfo;
185 Printf("Exc %02x EFLAGS=%08x FAR=%08x ErrCode=%08x\r\n",a.iExcId,a.iEflags,a.iFaultAddress,a.iExcErrorCode);
186 Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",a.iEax,a.iEbx,a.iEcx,a.iEdx);
187 Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",a.iEsp,a.iEbp,a.iEsi,a.iEdi);
188 Printf(" CS=%08x EIP=%08x DS=%08x SS=%08x\r\n",a.iCs,a.iEip,a.iDs,a.iSs);
189 Printf(" ES=%08x FS=%08x GS=%08x\r\n",a.iEs,a.iFs,a.iGs);
192 Printf("SS3=%08x ESP3=%08x\r\n",a.iSs3,a.iEsp3);
198 EXPORT_C void Monitor::GetStackPointers(NThread* aThread, TUint& aSupSP, TUint& aUsrSP)
200 TScheduler* pS = TScheduler::Ptr();
201 TBool user_done = FALSE;
202 if (aThread->iCurrent)
204 TInt i = aThread->iLastCpu;
205 if (RegSet(i).iCs & 3)
206 aSupSP = RegSet(i).iEsp;
209 aUsrSP = RegSet(i).iEsp;
210 aSupSP = TSS(i).iEsp0;
215 aSupSP = (TUint)aThread->iSavedSP;
219 // User SP is in the exception info on the top of the supervisor stack
220 TUint stackTop = (TUint)aThread->iStackBase + aThread->iStackSize;
221 TX86ExcInfo* excRegs = (TX86ExcInfo*)(stackTop - sizeof(TX86ExcInfo));
222 aUsrSP = excRegs->iEsp3;