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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32\nkernsmp\x86\ncmonitor.cpp |
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15 // Kernel crash debugger - NKERN X86 specific portion |
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16 // |
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17 // |
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18 |
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19 #define __INCLUDE_NTHREADBASE_DEFINES__ |
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20 |
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21 #include "nk_priv.h" |
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22 #include <x86.h> |
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23 #include <kernel/monitor.h> |
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24 |
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25 |
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26 void Monitor::DisplaySpinLock(const char* aTitle, TSpinLock* aLock) |
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27 { |
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28 volatile TUint32* p = (volatile TUint32*)aLock; |
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29 Printf("%s %08x %08x\r\n", aTitle, p[0], p[1]); |
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30 } |
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31 |
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32 EXPORT_C void Monitor::DisplayNThreadInfo(NThread* aT) |
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33 { |
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34 DisplayNSchedulableInfo(aT); |
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35 } |
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36 |
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37 void Monitor::DisplayNSchedulableInfo(NSchedulable* aS) |
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38 { |
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39 NThread* t = aS->iParent ? (NThread*)aS : 0; |
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40 NThreadGroup* g = aS->iParent ? 0 : (NThreadGroup*)aS; |
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41 |
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42 if (t && aS->iParent==aS) |
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43 Printf("NThread @%08x Pri %d\r\n",aS,aS->iPriority); |
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44 else if (t) |
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45 Printf("NThread @%08x (G:%08x) Pri %d\r\n",aS,aS->iParent,aS->iPriority); |
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46 else |
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47 Printf("NThreadGroup @%08x Pri %d\r\n",aS,aS->iPriority); |
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48 Printf("Rdy=%02x Curr=%02x LastCpu=%d CpuChg=%02x FrzCpu=%d\r\n", aS->iReady, aS->iCurrent, aS->iLastCpu, aS->iCpuChange, aS->iFreezeCpu); |
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49 Printf("Next=%08x Prev=%08x Parent=%08x CPUaff=%08x\r\n", aS->iNext, aS->iPrev, aS->iParent, aS->iCpuAffinity); |
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50 Printf("PauseCount %02x Susp %1x\r\n", aS->iPauseCount, aS->iSuspended); |
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51 DisplaySpinLock("SpinLock", &aS->iSSpinLock); |
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52 Printf("Stopping %02x Events %08x %08x EventState %08x\r\n", aS->iStopping, aS->iEvents.iA.iNext, aS->iEvents.iA.iPrev, aS->iEventState); |
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53 Printf("TotalCpuTime %08x %08x RunCount %08x %08x\r\n", aS->iTotalCpuTime32[1], aS->iTotalCpuTime32[0], aS->iRunCount32[1], aS->iRunCount32[0]); |
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54 |
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55 if (g) |
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56 { |
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57 // Thread group |
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58 return; |
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59 } |
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60 |
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61 Printf("WaitState %02x %02x [%02x %02x] (%08x)\r\n", t->iWaitState.iWtC.iWtStFlags, t->iWaitState.iWtC.iWtObjType, |
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62 t->iWaitState.iWtC.iWtStSpare1, t->iWaitState.iWtC.iWtStSpare2, t->iWaitState.iWtC.iWtObj); |
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63 Printf("BasePri %d MutexPri %d Att=%02x\r\n", t->iBasePri, t->iMutexPri, t->i_ThrdAttr); |
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64 Printf("HeldFM=%08x FMDef=%02x AddrSp=%08x\r\n", t->iHeldFastMutex, t->iFastMutexDefer, t->iAddressSpace); |
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65 Printf("Time=%d Timeslice=%d ReqCount=%08x\r\n", t->iTime, t->iTimeslice, t->iRequestSemaphore.iCount); |
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66 Printf("SuspendCount=%d CsCount=%d CsFunction=%08x\r\n", t->iSuspendCount, t->iCsCount, t->iCsFunction); |
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67 Printf("LinkedObjType %02x LinkedObj %08x\r\n", t->iLinkedObjType, t->iLinkedObj); |
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68 Printf("SavedSP=%08x WaitLink:%08x %08x %d\r\n", t->iSavedSP, t->iWaitLink.iNext, t->iWaitLink.iPrev, t->iWaitLink.iPriority); |
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69 Printf("iNewParent=%08x iExtraContext=%08x, iExtraContextSize=%08x\r\n", t->iNewParent, t->iExtraContext, t->iExtraContextSize); |
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70 Printf("iUserModeCallbacks=%08x iNThreadBaseSpare6=%08x\r\n", t->iUserModeCallbacks, t->iNThreadBaseSpare6); |
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71 Printf("iNThreadBaseSpare7=%08x iNThreadBaseSpare8=%08x iNThreadBaseSpare9=%08x\r\n", t->iNThreadBaseSpare7, t->iNThreadBaseSpare8, t->iNThreadBaseSpare9); |
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72 if (!aS->iCurrent) |
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73 { |
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74 TUint32* pS=(TUint32*)t->iSavedSP; |
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75 SThreadReschedStack reg; |
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76 MTRAPD(r,wordmove(®,pS,sizeof(SThreadReschedStack))); |
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77 if (r==KErrNone) |
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78 { |
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79 Printf("CR0 %08x RsF %08x EIP %08x RSN %08x\r\n", reg.iCR0, reg.iReschedFlag, reg.iEip, reg.iReason); |
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80 } |
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81 } |
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82 NewLine(); |
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83 } |
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84 |
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85 void Monitor::DisplayNFastSemInfo(NFastSemaphore* pS) |
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86 { |
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87 if (pS->iCount >= 0) |
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88 Printf("NFastSemaphore @ %08x Count %d OwningThread %08x\r\n",pS,pS->iCount,pS->iOwningThread); |
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89 else |
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90 Printf("NFastSemaphore @ %08x Count %08x (%08x) OwningThread %08x\r\n",pS,pS->iCount,pS->iCount<<2,pS->iOwningThread); |
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91 } |
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92 |
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93 void Monitor::DisplayNFastMutexInfo(NFastMutex* aM) |
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94 { |
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95 Printf("NFastMutex @ %08x HoldingThread %08x iWaitQ Pri Mask %08x %08x\r\n", aM, aM->iHoldingThread, aM->iWaitQ.iPresent[1], aM->iWaitQ.iPresent[0]); |
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96 DisplaySpinLock("SpinLock", &aM->iMutexLock); |
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97 } |
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98 |
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99 void DisplaySubSchedulerInfo(Monitor& m, TSubScheduler& ss) |
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100 { |
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101 m.Printf("\r\nSUBSCHEDULER %d @%08x:\r\n",ss.iCpuNum,&ss); |
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102 m.Printf("CurrentThread=%08x\r\n", ss.iCurrentThread); |
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103 m.Printf("DFCS %08x %08x CPU# %08x CPUmask %08x\r\n", ss.iDfcs.iA.iNext, ss.iDfcs.iA.iPrev, ss.iCpuNum, ss.iCpuMask); |
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104 m.Printf("KLCount %d DFCPending %02x ReschedNeeded %02x InIDFC %02x\r\n", ss.iKernLockCount, ss.iDfcPendingFlag, ss.iRescheduleNeededFlag, ss.iInIDFC); |
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105 m.Printf("AddressSpace=%08x ReschedIPIs=%08x iNextIPI %08x\r\n", ss.iAddressSpace, ss.iReschedIPIs, ss.iNextIPI); |
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106 volatile TUint32* pL = (volatile TUint32*)&ss.iReadyListLock; |
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107 m.Printf("SpinLock %08x %08x %08x %08x\r\n", pL[0], pL[1], pL[2], pL[3]); |
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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]); |
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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]); |
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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); |
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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); |
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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]); |
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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]); |
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114 m.Printf("iLastTimestamp %08x %08x iReschedCount %08x %08x\r\n", ss.iLastTimestamp32[1], ss.iLastTimestamp32[0], ss.iReschedCount32[1], ss.iReschedCount32[0]); |
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115 } |
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116 |
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117 void Monitor::DisplaySchedulerInfo() |
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118 { |
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119 TScheduler* pS=TScheduler::Ptr(); |
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120 Printf("SCHEDULER @%08x:\r\n",pS); |
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121 Printf("ProcessHandler=%08x MonitorExceptionHandler=%08x RescheduleHook=%08x\r\n",pS->iProcessHandler,pS->iMonitorExceptionHandler,pS->iRescheduleHook); |
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122 Printf("iActiveCpus1=%08x, iActiveCpus2=%08x, iNumCpus=%d\r\n",pS->iActiveCpus1,pS->iActiveCpus2,pS->iNumCpus); |
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123 Printf("SYSLOCK @ %08x\r\n",&pS->iLock); |
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124 DisplayNFastMutexInfo(&pS->iLock); |
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125 DisplaySpinLock("IdleSpinLock", &pS->iIdleSpinLock); |
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126 Printf("IdleDfcs %08x %08x CpusNotIdle %08x IdleGeneration %02x IdleSpillCpu %02x\r\n", |
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127 pS->iIdleDfcs.iA.iNext, pS->iIdleDfcs.iA.iPrev, pS->iCpusNotIdle, pS->iIdleGeneration, pS->iIdleSpillCpu); |
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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]); |
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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]); |
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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]); |
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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]); |
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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]); |
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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]); |
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134 |
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135 TInt i; |
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136 for (i=0; i<KMaxCpus; ++i) |
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137 { |
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138 TSubScheduler& ss = *pS->iSub[i]; |
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139 DisplaySubSchedulerInfo(*this,ss); |
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140 } |
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141 } |
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142 |
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143 SFullX86RegSet& RegSet(TInt aCpu) |
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144 { |
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145 TScheduler* pS=TScheduler::Ptr(); |
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146 TSubScheduler& ss = *pS->iSub[aCpu]; |
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147 SCpuData* cpudata = (SCpuData*)ss.i_Tss; |
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148 return cpudata->iRegs; |
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149 } |
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150 |
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151 TX86Tss& TSS(TInt aCpu) |
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152 { |
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153 TScheduler* pS=TScheduler::Ptr(); |
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154 TSubScheduler& ss = *pS->iSub[aCpu]; |
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155 return *(TX86Tss*)ss.i_Tss; |
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156 } |
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157 |
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158 void Monitor::DumpCpuRegisters() |
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159 { |
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160 TInt i; |
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161 for (i=0; i<KMaxCpus; ++i) |
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162 { |
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163 SFullX86RegSet& r = RegSet(i); |
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164 Printf("CPU %d:\r\n", i); |
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165 Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",r.iEax,r.iEbx,r.iEcx,r.iEdx); |
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166 Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",r.iEsp,r.iEbp,r.iEsi,r.iEdi); |
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167 Printf(" CS=%08x EIP=%08x EFL=%08x SS=%08x\r\n",r.iCs,r.iEip,r.iEflags,r.iSs); |
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168 Printf(" DS=%08x ES=%08x FS=%08x GS=%08x\r\n",r.iDs,r.iEs,r.iFs,r.iGs); |
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169 Printf("IrqNest=%08x\r\n",r.iIrqNestCount); |
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170 NewLine(); |
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171 } |
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172 } |
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173 |
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174 void Monitor::DisplayCpuFaultInfo() |
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175 { |
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176 TScheduler* pS=TScheduler::Ptr(); |
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177 TInt i; |
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178 for (i=0; i<KMaxCpus; ++i) |
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179 { |
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180 Printf("CPU %d:\r\n", i); |
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181 TSubScheduler& ss = *pS->iSub[i]; |
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182 if (!ss.i_ExcInfo) |
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183 continue; |
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184 TX86ExcInfo& a = *(TX86ExcInfo*)ss.i_ExcInfo; |
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185 Printf("Exc %02x EFLAGS=%08x FAR=%08x ErrCode=%08x\r\n",a.iExcId,a.iEflags,a.iFaultAddress,a.iExcErrorCode); |
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186 Printf("EAX=%08x EBX=%08x ECX=%08x EDX=%08x\r\n",a.iEax,a.iEbx,a.iEcx,a.iEdx); |
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187 Printf("ESP=%08x EBP=%08x ESI=%08x EDI=%08x\r\n",a.iEsp,a.iEbp,a.iEsi,a.iEdi); |
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188 Printf(" CS=%08x EIP=%08x DS=%08x SS=%08x\r\n",a.iCs,a.iEip,a.iDs,a.iSs); |
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189 Printf(" ES=%08x FS=%08x GS=%08x\r\n",a.iEs,a.iFs,a.iGs); |
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190 if (a.iCs&3) |
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191 { |
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192 Printf("SS3=%08x ESP3=%08x\r\n",a.iSs3,a.iEsp3); |
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193 } |
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194 NewLine(); |
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195 } |
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196 } |
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197 |
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198 EXPORT_C void Monitor::GetStackPointers(NThread* aThread, TUint& aSupSP, TUint& aUsrSP) |
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199 { |
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200 TScheduler* pS = TScheduler::Ptr(); |
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201 TBool user_done = FALSE; |
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202 if (aThread->iCurrent) |
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203 { |
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204 TInt i = aThread->iLastCpu; |
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205 if (RegSet(i).iCs & 3) |
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206 aSupSP = RegSet(i).iEsp; |
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207 else |
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208 { |
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209 aUsrSP = RegSet(i).iEsp; |
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210 aSupSP = TSS(i).iEsp0; |
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211 user_done = TRUE; |
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212 } |
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213 } |
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214 else |
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215 aSupSP = (TUint)aThread->iSavedSP; |
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216 |
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217 if (!user_done) |
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218 { |
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219 // User SP is in the exception info on the top of the supervisor stack |
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220 TUint stackTop = (TUint)aThread->iStackBase + aThread->iStackSize; |
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221 TX86ExcInfo* excRegs = (TX86ExcInfo*)(stackTop - sizeof(TX86ExcInfo)); |
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222 aUsrSP = excRegs->iEsp3; |
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223 } |
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224 } |