Mesen-SX/Core/NecDspDebugger.cpp

#include "stdafx.h"
#include "NecDsp.h"
#include "NecDspDebugger.h"
#include "DisassemblyInfo.h"
#include "Disassembler.h"
#include "TraceLogger.h"
#include "CallstackManager.h"
#include "BreakpointManager.h"
#include "BaseCartridge.h"
#include "MemoryManager.h"
#include "Debugger.h"
#include "Console.h"
#include "MemoryAccessCounter.h"
#include "ExpressionEvaluator.h"
#include "EmuSettings.h"

NecDspDebugger::NecDspDebugger(Debugger* debugger)
{
	_debugger = debugger;
	_traceLogger = debugger->GetTraceLogger().get();
	_disassembler = debugger->GetDisassembler().get();
	_dsp = debugger->GetConsole()->GetCartridge()->GetDsp();
	_settings = debugger->GetConsole()->GetSettings().get();

	_breakpointManager.reset(new BreakpointManager(debugger, CpuType::NecDsp));
	_step.reset(new StepRequest());
}

void NecDspDebugger::Reset()
{
}

void NecDspDebugger::ProcessRead(uint16_t addr, uint8_t value, MemoryOperationType type)
{
	AddressInfo addressInfo = {
		(int32_t)addr,
		type == MemoryOperationType::ExecOpCode ? SnesMemoryType::DspProgramRom : SnesMemoryType::DspDataRom
	};
	MemoryOperationInfo operation{(uint32_t)addr, value, type};

	if (type == MemoryOperationType::ExecOpCode)
	{
		if (_traceLogger->IsCpuLogged(CpuType::NecDsp) || _settings->CheckDebuggerFlag(
			DebuggerFlags::NecDspDebuggerEnabled))
		{
			_disassembler->BuildCache(addressInfo, 0, CpuType::NecDsp);

			if (_traceLogger->IsCpuLogged(CpuType::NecDsp))
			{
				DebugState debugState;
				_debugger->GetState(debugState, true);

				DisassemblyInfo disInfo = _disassembler->GetDisassemblyInfo(addressInfo, addr, 0, CpuType::NecDsp);
				_traceLogger->Log(CpuType::NecDsp, debugState, disInfo);
			}
		}

		_prevProgramCounter = addr;

		if (_step->StepCount > 0)
		{
			_step->StepCount--;
		}
	}

	_debugger->ProcessBreakConditions(_step->StepCount == 0, GetBreakpointManager(), operation, addressInfo);
}

void NecDspDebugger::ProcessWrite(uint16_t addr, uint8_t value, MemoryOperationType type)
{
	AddressInfo addressInfo{addr, SnesMemoryType::DspDataRam}; //Writes never affect the DSP ROM
	MemoryOperationInfo operation{addr, value, type};
	_debugger->ProcessBreakConditions(false, GetBreakpointManager(), operation, addressInfo);
}

void NecDspDebugger::Run()
{
	_step.reset(new StepRequest());
}

void NecDspDebugger::Step(int32_t stepCount, StepType type)
{
	StepRequest step;

	switch (type)
	{
	case StepType::Step: step.StepCount = stepCount;
		break;

	case StepType::StepOut:
	case StepType::StepOver:
		step.StepCount = 1;
		break;

	case StepType::SpecificScanline:
	case StepType::PpuStep:
		break;
	}

	_step.reset(new StepRequest(step));
}

shared_ptr<CallstackManager> NecDspDebugger::GetCallstackManager()
{
	return nullptr;
}

BreakpointManager* NecDspDebugger::GetBreakpointManager()
{
	return _breakpointManager.get();
}