1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software --- 40 unchanged lines hidden (view full) --- 49#include "sim/byteswap.hh" 50 51namespace Trace { 52 53#if TRACING_ON 54static const char *regNames[] = { 55 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", 56 "r8", "r9", "r10", "fp", "r12", "sp", "lr", "pc", |
57 "cpsr", "f0", "f1", "f2", "f3", "f4", "f5", "f6", 58 "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", 59 "f15", "f16", "f17", "f18", "f19", "f20", "f21", "f22", 60 "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", 61 "f31", "fpscr" |
62}; 63#endif 64 65void 66Trace::ArmNativeTrace::ThreadState::update(NativeTrace *parent) 67{ 68 oldState = state[current]; 69 current = (current + 1) % 2; 70 newState = state[current]; 71 72 memcpy(newState, oldState, sizeof(state[0])); 73 |
74 uint64_t diffVector; |
75 parent->read(&diffVector, sizeof(diffVector)); 76 diffVector = ArmISA::gtoh(diffVector); 77 78 int changes = 0; 79 for (int i = 0; i < STATE_NUMVALS; i++) { 80 if (diffVector & 0x1) { 81 changed[i] = true; 82 changes++; 83 } else { 84 changed[i] = false; 85 } 86 diffVector >>= 1; 87 } 88 |
89 uint64_t values[changes]; |
90 parent->read(values, sizeof(values)); 91 int pos = 0; 92 for (int i = 0; i < STATE_NUMVALS; i++) { 93 if (changed[i]) { 94 newState[i] = ArmISA::gtoh(values[pos++]); 95 changed[i] = (newState[i] != oldState[i]); 96 } 97 } --- 15 unchanged lines hidden (view full) --- 113 //R15, aliased with the PC 114 newState[STATE_PC] = tc->pcState().npc(); 115 changed[STATE_PC] = (newState[STATE_PC] != oldState[STATE_PC]); 116 117 //CPSR 118 newState[STATE_CPSR] = tc->readMiscReg(MISCREG_CPSR) | 119 tc->readIntReg(INTREG_CONDCODES); 120 changed[STATE_CPSR] = (newState[STATE_CPSR] != oldState[STATE_CPSR]); |
121 122 for (int i = 0; i < NumFloatArchRegs; i += 2) { 123 newState[STATE_F0 + (i >> 1)] = 124 static_cast<uint64_t>(tc->readFloatRegBits(i + 1)) << 32 | 125 tc->readFloatRegBits(i); 126 } 127 newState[STATE_FPSCR] = tc->readMiscRegNoEffect(MISCREG_FPSCR) | 128 tc->readIntReg(INTREG_FPCONDCODES); |
129} 130 131void 132Trace::ArmNativeTrace::check(NativeTraceRecord *record) 133{ 134 ThreadContext *tc = record->getThread(); 135 // This area is read only on the target. It can't stop there to tell us 136 // what's going on, so we should skip over anything there also. --- 82 unchanged lines hidden --- |