Mesen-SX/Core/Debugger.cpp

147 lines
4.4 KiB
C++

#include "stdafx.h"
#include "Debugger.h"
#include "Console.h"
#include "Cpu.h"
#include "Ppu.h"
#include "BaseCartridge.h"
#include "MemoryManager.h"
#include "NotificationManager.h"
#include "CpuTypes.h"
#include "DisassemblyInfo.h"
#include "TraceLogger.h"
#include "MemoryDumper.h"
#include "CodeDataLogger.h"
#include "Disassembler.h"
#include "../Utilities/HexUtilities.h"
#include "../Utilities/FolderUtilities.h"
Debugger::Debugger(shared_ptr<Console> console)
{
_console = console;
_cpu = console->GetCpu();
_ppu = console->GetPpu();
_memoryManager = console->GetMemoryManager();
_codeDataLogger.reset(new CodeDataLogger(console->GetCartridge()->DebugGetPrgRomSize()));
_disassembler.reset(new Disassembler(console, _codeDataLogger));
_traceLogger.reset(new TraceLogger(this, _memoryManager));
_memoryDumper.reset(new MemoryDumper(_ppu, _memoryManager, console->GetCartridge()));
_cpuStepCount = 0;
string cdlFile = FolderUtilities::CombinePath(FolderUtilities::GetDebuggerFolder(), FolderUtilities::GetFilename(_console->GetCartridge()->GetRomInfo().RomPath, false) + ".cdl");
_codeDataLogger->LoadCdlFile(cdlFile);
//TODO: Thread safety
uint32_t prgRomSize = console->GetCartridge()->DebugGetPrgRomSize();
AddressInfo addrInfo;
addrInfo.Type = SnesMemoryType::PrgRom;
for(uint32_t i = 0; i < prgRomSize; i++) {
if(_codeDataLogger->IsCode(i)) {
addrInfo.Address = (int32_t)i;
i += _disassembler->BuildCache(addrInfo, _codeDataLogger->GetCpuFlags(i)) - 1;
}
}
}
Debugger::~Debugger()
{
string cdlFile = FolderUtilities::CombinePath(FolderUtilities::GetDebuggerFolder(), FolderUtilities::GetFilename(_console->GetCartridge()->GetRomInfo().RomPath, false) + ".cdl");
_codeDataLogger->SaveCdlFile(cdlFile);
}
void Debugger::ProcessCpuRead(uint32_t addr, uint8_t value, MemoryOperationType type)
{
AddressInfo addressInfo = _memoryManager->GetAbsoluteAddress(addr);
CpuState state = _cpu->GetState();
if(type == MemoryOperationType::ExecOpCode) {
if(addressInfo.Address >= 0) {
if(addressInfo.Type == SnesMemoryType::PrgRom) {
uint8_t flags = CdlFlags::Code | (state.PS & (CdlFlags::IndexMode8 | CdlFlags::MemoryMode8));
if(_prevOpCode == 0x20 || _prevOpCode == 0x5C || _prevOpCode == 0xDC || _prevOpCode == 0xFC) {
flags |= CdlFlags::SubEntryPoint;
}
_codeDataLogger->SetFlags(addressInfo.Address, flags);
}
_disassembler->BuildCache(addressInfo, state.PS);
}
DebugState debugState;
GetState(&debugState);
_traceLogger->LogEffectiveAddress(_cpu->GetLastOperand());
DisassemblyInfo disInfo = _disassembler->GetDisassemblyInfo(addressInfo);
_traceLogger->Log(debugState, disInfo);
_prevOpCode = value;
if(value == 0x00 || value == 0xCB) {
//break on BRK/WAI
_cpuStepCount = 1;
}
if(_cpuStepCount > 0) {
_cpuStepCount--;
if(_cpuStepCount == 0) {
_disassembler->Disassemble();
_console->GetNotificationManager()->SendNotification(ConsoleNotificationType::CodeBreak);
while(_cpuStepCount == 0) {
std::this_thread::sleep_for(std::chrono::duration<int, std::milli>(10));
}
}
}
} else if(type == MemoryOperationType::ExecOperand) {
if(addressInfo.Type == SnesMemoryType::PrgRom && addressInfo.Address >= 0) {
_codeDataLogger->SetFlags(addressInfo.Address, CdlFlags::Code | (state.PS & (CdlFlags::IndexMode8 | CdlFlags::MemoryMode8)));
}
} else {
if(addressInfo.Type == SnesMemoryType::PrgRom && addressInfo.Address >= 0) {
_codeDataLogger->SetFlags(addressInfo.Address, CdlFlags::Data | (state.PS & (CdlFlags::IndexMode8 | CdlFlags::MemoryMode8)));
}
}
}
void Debugger::ProcessCpuWrite(uint32_t addr, uint8_t value, MemoryOperationType type)
{
AddressInfo addressInfo = _memoryManager->GetAbsoluteAddress(addr);
if(addressInfo.Address >= 0 && (addressInfo.Type == SnesMemoryType::WorkRam || addressInfo.Type == SnesMemoryType::SaveRam)) {
_disassembler->InvalidateCache(addressInfo);
}
}
void Debugger::Run()
{
_cpuStepCount = -1;
}
void Debugger::Step(int32_t stepCount)
{
_cpuStepCount = stepCount;
}
bool Debugger::IsExecutionStopped()
{
//TODO
return false;
}
void Debugger::GetState(DebugState *state)
{
state->Cpu = _cpu->GetState();
state->Ppu = _ppu->GetState();
}
shared_ptr<TraceLogger> Debugger::GetTraceLogger()
{
return _traceLogger;
}
shared_ptr<MemoryDumper> Debugger::GetMemoryDumper()
{
return _memoryDumper;
}
shared_ptr<Disassembler> Debugger::GetDisassembler()
{
return _disassembler;
}