mirror of
https://github.com/SourMesen/Mesen2.git
synced 2025-04-02 10:21:44 -04:00
433 lines
14 KiB
C++
433 lines
14 KiB
C++
#include "pch.h"
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#include "Debugger/Debugger.h"
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#include "Shared/Emulator.h"
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#include "SNES/SnesMemoryManager.h"
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#include "SNES/Spc.h"
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#include "SNES/Coprocessors/DSP/NecDsp.h"
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#include "SNES/Coprocessors/SA1/Sa1.h"
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#include "SNES/Coprocessors/CX4/Cx4.h"
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#include "SNES/Coprocessors/GSU/Gsu.h"
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#include "Gameboy/Gameboy.h"
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#include "Gameboy/GbMemoryManager.h"
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#include "SNES/Coprocessors/BSX/BsxCart.h"
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#include "SNES/Coprocessors/BSX/BsxMemoryPack.h"
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#include "SNES/SnesConsole.h"
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#include "Debugger/MemoryDumper.h"
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#include "SNES/BaseCartridge.h"
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#include "NES/NesConsole.h"
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#include "PCE/PceConsole.h"
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#include "PCE/PceMemoryManager.h"
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#include "SMS/SmsConsole.h"
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#include "SMS/SmsVdp.h"
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#include "SMS/SmsMemoryManager.h"
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#include "GBA/GbaConsole.h"
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#include "GBA/GbaMemoryManager.h"
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#include "WS/WsConsole.h"
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#include "WS/WsMemoryManager.h"
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#include "Shared/Video/VideoDecoder.h"
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#include "Debugger/DebugTypes.h"
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#include "Debugger/DebugBreakHelper.h"
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#include "Debugger/DebugUtilities.h"
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#include "Debugger/Disassembler.h"
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#include "Debugger/CdlManager.h"
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MemoryDumper::MemoryDumper(Debugger* debugger)
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{
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_debugger = debugger;
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_emu = debugger->GetEmulator();
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IConsole* console = _debugger->GetConsole();
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//TODOv2 - generic code? (or at least rename SNES-specific members)
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if(SnesConsole* snes = dynamic_cast<SnesConsole*>(console)) {
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_spc = snes->GetSpc();
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_memoryManager = snes->GetMemoryManager();
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_cartridge = snes->GetCartridge();
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_gameboy = snes->GetCartridge()->GetGameboy();
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} else if(NesConsole* nes = dynamic_cast<NesConsole*>(console)) {
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_nesConsole = nes;
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} else if(Gameboy* gb = dynamic_cast<Gameboy*>(console)) {
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_gameboy = gb;
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} else if(PceConsole* pce = dynamic_cast<PceConsole*>(console)) {
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_pceConsole = pce;
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} else if(SmsConsole* sms = dynamic_cast<SmsConsole*>(console)) {
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_smsConsole = sms;
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} else if(GbaConsole* gba = dynamic_cast<GbaConsole*>(console)) {
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_gbaConsole = gba;
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} else if(WsConsole* ws = dynamic_cast<WsConsole*>(console)) {
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_wsConsole = ws;
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}
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for(int i = 0; i < DebugUtilities::GetMemoryTypeCount(); i++) {
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MemoryType memType = (MemoryType)i;
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if(memType != MemoryType::None) {
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_isMemorySupported[i] = _emu->GetMemory(memType).Memory != nullptr || _debugger->HasCpuType(DebugUtilities::ToCpuType(memType));
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}
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}
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}
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void MemoryDumper::SetMemoryState(MemoryType type, uint8_t *buffer, uint32_t length)
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{
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if(length > GetMemorySize(type)) {
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return;
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}
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uint8_t* dst = GetMemoryBuffer(type);
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if(dst) {
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memcpy(dst, buffer, length);
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}
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}
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uint8_t* MemoryDumper::GetMemoryBuffer(MemoryType type)
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{
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return (uint8_t*)_emu->GetMemory(type).Memory;
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}
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uint32_t MemoryDumper::GetMemorySize(MemoryType type)
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{
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if(!_isMemorySupported[(int)type]) {
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return 0;
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}
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switch(type) {
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case MemoryType::SnesMemory: return 0x1000000;
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case MemoryType::SpcMemory: return 0x10000;
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case MemoryType::NecDspMemory: return _emu->GetMemory(MemoryType::DspProgramRom).Size;
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case MemoryType::Sa1Memory: return 0x1000000;
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case MemoryType::GsuMemory: return 0x1000000;
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case MemoryType::Cx4Memory: return 0x1000000;
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case MemoryType::GameboyMemory: return 0x10000;
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case MemoryType::NesMemory: return 0x10000;
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case MemoryType::NesPpuMemory: return 0x4000;
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case MemoryType::PceMemory: return 0x10000;
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case MemoryType::SmsMemory: return 0x10000;
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case MemoryType::GbaMemory: return 0x10000000;
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case MemoryType::WsMemory: return 0x100000;
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case MemoryType::SnesRegister: return 0x10000;
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case MemoryType::SmsPort: return 0x100;
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case MemoryType::WsPort: return 0x10000;
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default: return _emu->GetMemory(type).Size;
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}
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}
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void MemoryDumper::GetMemoryState(MemoryType type, uint8_t *buffer)
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{
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if(GetMemorySize(type) == 0) {
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return;
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}
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switch(type) {
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case MemoryType::SnesMemory:
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for(int i = 0; i <= 0xFFFFFF; i+=0x1000) {
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_memoryManager->PeekBlock(i, buffer+i);
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}
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break;
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case MemoryType::SpcMemory:
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for(int i = 0; i <= 0xFFFF; i++) {
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buffer[i] = _spc->DebugRead(i);
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}
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break;
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case MemoryType::Sa1Memory:
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if(_cartridge->GetSa1()) {
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for(int i = 0; i <= 0xFFFFFF; i += 0x1000) {
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_cartridge->GetSa1()->GetMemoryMappings()->PeekBlock(i, buffer + i);
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}
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}
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break;
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case MemoryType::NecDspMemory:
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GetMemoryState(MemoryType::DspProgramRom, buffer);
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break;
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case MemoryType::GsuMemory:
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if(_cartridge->GetGsu()) {
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for(int i = 0; i <= 0xFFFFFF; i += 0x1000) {
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_cartridge->GetGsu()->GetMemoryMappings()->PeekBlock(i, buffer + i);
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}
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}
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break;
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case MemoryType::Cx4Memory:
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if(_cartridge->GetCx4()) {
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for(int i = 0; i <= 0xFFFFFF; i += 0x1000) {
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_cartridge->GetCx4()->GetMemoryMappings()->PeekBlock(i, buffer + i);
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}
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}
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break;
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case MemoryType::GameboyMemory: {
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if(_gameboy) {
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GbMemoryManager* memManager = _gameboy->GetMemoryManager();
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for(int i = 0; i <= 0xFFFF; i++) {
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buffer[i] = memManager->DebugRead(i);
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}
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}
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break;
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}
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case MemoryType::NesMemory: {
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if(_nesConsole) {
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for(int i = 0; i <= 0xFFFF; i++) {
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buffer[i] = _nesConsole->DebugRead(i);
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}
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}
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break;
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}
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case MemoryType::NesPpuMemory: {
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if(_nesConsole) {
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for(int i = 0; i < 0x4000; i++) {
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buffer[i] = _nesConsole->DebugReadVram(i);
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}
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}
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break;
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}
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case MemoryType::PceMemory: {
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if(_pceConsole) {
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PceMemoryManager* memManager = _pceConsole->GetMemoryManager();
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for(int i = 0; i <= 0xFFFF; i++) {
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buffer[i] = memManager->DebugRead(i);
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}
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}
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break;
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}
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case MemoryType::SmsMemory: {
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if(_smsConsole) {
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SmsMemoryManager* memManager = _smsConsole->GetMemoryManager();
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for(int i = 0; i <= 0xFFFF; i++) {
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buffer[i] = memManager->DebugRead(i);
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}
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}
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break;
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}
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case MemoryType::GbaMemory: {
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if(_gbaConsole) {
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GbaMemoryManager* memManager = _gbaConsole->GetMemoryManager();
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for(int i = 0; i <= 0xFFFFFFF; i++) {
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buffer[i] = memManager->DebugRead(i);
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}
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}
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break;
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}
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case MemoryType::WsMemory: {
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if(_wsConsole) {
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WsMemoryManager* memManager = _wsConsole->GetMemoryManager();
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for(int i = 0; i <= 0xFFFFF; i++) {
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buffer[i] = memManager->DebugRead(i);
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}
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}
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break;
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}
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default:
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uint8_t* src = GetMemoryBuffer(type);
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if(src) {
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memcpy(buffer, src, GetMemorySize(type));
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}
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break;
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}
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}
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void MemoryDumper::InternalSetMemoryValues(MemoryType originalMemoryType, uint32_t startAddress, uint8_t* data, uint32_t length, bool disableSideEffects, bool undoAllowed)
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{
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uint32_t memSize = GetMemorySize(originalMemoryType);
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UndoBatch undoBatch = {};
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UndoEntry undoEntry = { MemoryType::None };
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Disassembler* disassembler = _debugger->GetDisassembler();
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for(uint32_t i = 0; i < length; i++) {
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uint32_t address = startAddress + i;
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if(address >= memSize) {
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break;
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}
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uint8_t value = data[i];
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MemoryType memoryType = originalMemoryType;
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if(disableSideEffects && DebugUtilities::IsRelativeMemory(memoryType)) {
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AddressInfo addr = { (int32_t)address, memoryType };
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addr = _debugger->GetAbsoluteAddress(addr);
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if(addr.Address < 0) {
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continue;
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}
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address = addr.Address;
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memoryType = addr.Type;
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}
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switch(memoryType) {
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case MemoryType::SnesMemory: _memoryManager->GetMemoryMappings()->DebugWrite(address, value); break;
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case MemoryType::SpcMemory: _spc->DebugWrite(address, value); break;
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case MemoryType::Sa1Memory: _cartridge->GetSa1()->GetMemoryMappings()->DebugWrite(address, value); break;
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case MemoryType::NecDspMemory: SetMemoryValue(MemoryType::DspProgramRom, address, value, disableSideEffects); return;
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case MemoryType::GsuMemory: _cartridge->GetGsu()->GetMemoryMappings()->DebugWrite(address, value); break;
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case MemoryType::Cx4Memory: _cartridge->GetCx4()->GetMemoryMappings()->DebugWrite(address, value); break;
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case MemoryType::GameboyMemory: _gameboy->GetMemoryManager()->DebugWrite(address, value); break;
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case MemoryType::NesMemory: _nesConsole->DebugWrite(address, value, disableSideEffects); break;
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case MemoryType::NesPpuMemory: _nesConsole->DebugWriteVram(address, value); break;
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case MemoryType::PceMemory: _pceConsole->GetMemoryManager()->DebugWrite(address, value); break;
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case MemoryType::SmsMemory: _smsConsole->GetMemoryManager()->DebugWrite(address, value); break;
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case MemoryType::GbaMemory: _gbaConsole->GetMemoryManager()->DebugWrite(address, value); break;
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case MemoryType::WsMemory: _wsConsole->GetMemoryManager()->DebugWrite(address, value); break;
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case MemoryType::SpcDspRegisters: _spc->DebugWriteDspReg(address, value); break;
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default:
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uint8_t* src = GetMemoryBuffer(memoryType);
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if(src) {
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if(undoAllowed) {
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if(undoEntry.MemType != memoryType) {
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if(undoEntry.OriginalData.size() > 0) {
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undoBatch.Entries.push_back(undoEntry);
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}
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undoEntry = { memoryType, address };
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}
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uint8_t originalValue = src[address];
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undoEntry.OriginalData.push_back(originalValue);
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}
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//TODOv2 find a cleaner way to implement this
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//Prevent invalid memory values
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switch(memoryType) {
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case MemoryType::SnesCgRam: src[address] = (address & 0x01) ? (value & 0x7F) : value; break;
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case MemoryType::NesSpriteRam: case MemoryType::NesSecondarySpriteRam: src[address] = (address & 0x03) == 0x02 ? (value & 0xE3) : value; break;
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case MemoryType::NesPaletteRam: src[address] = value & 0x3F; break;
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case MemoryType::PcePaletteRam: src[address] = (address & 0x01) ? (value & 0x01) : value; break;
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case MemoryType::SmsPaletteRam: _smsConsole->GetVdp()->DebugWritePalette(address, value); break;
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default:
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src[address] = value;
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AddressInfo addr = { (int32_t)address, memoryType };
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disassembler->InvalidateCache(addr, DebugUtilities::ToCpuType(memoryType));
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break;
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}
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}
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break;
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}
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}
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if(undoAllowed && undoEntry.MemType != MemoryType::None) {
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undoBatch.Entries.push_back(undoEntry);
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auto lock = _undoLock.AcquireSafe();
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_undoHistory.push_back(undoBatch);
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if(_undoHistory.size() > 200) {
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_undoHistory.pop_front();
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}
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}
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}
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void MemoryDumper::SetMemoryValues(MemoryType memoryType, uint32_t address, uint8_t* data, uint32_t length)
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{
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DebugBreakHelper helper(_debugger);
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InternalSetMemoryValues(memoryType, address, data, length, true, true);
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}
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void MemoryDumper::SetMemoryValue(MemoryType memoryType, uint32_t address, uint8_t value, bool disableSideEffects)
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{
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InternalSetMemoryValues(memoryType, address, &value, 1, disableSideEffects, true);
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}
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void MemoryDumper::GetMemoryValues(MemoryType memoryType, uint32_t start, uint32_t end, uint8_t* output)
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{
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int x = 0;
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uint32_t size = GetMemorySize(memoryType);
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for(uint32_t i = start; i <= end && i < size; i++) {
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output[x++] = InternalGetMemoryValue(memoryType, i);
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}
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}
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uint8_t MemoryDumper::GetMemoryValue(MemoryType memoryType, uint32_t address, bool disableSideEffects)
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{
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if(address >= GetMemorySize(memoryType)) {
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return 0;
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}
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return InternalGetMemoryValue(memoryType, address, disableSideEffects);
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}
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uint8_t MemoryDumper::InternalGetMemoryValue(MemoryType memoryType, uint32_t address, bool disableSideEffects)
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{
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switch(memoryType) {
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case MemoryType::SnesMemory: return _memoryManager->Peek(address);
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case MemoryType::SpcMemory: return _spc->DebugRead(address);
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case MemoryType::Sa1Memory: return _cartridge->GetSa1()->GetMemoryMappings()->Peek(address);
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case MemoryType::NecDspMemory: return GetMemoryValue(MemoryType::DspProgramRom, address);
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case MemoryType::GsuMemory: return _cartridge->GetGsu()->GetMemoryMappings()->Peek(address);
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case MemoryType::Cx4Memory: return _cartridge->GetCx4()->GetMemoryMappings()->Peek(address);
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case MemoryType::GameboyMemory: return _gameboy->GetMemoryManager()->DebugRead(address);
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case MemoryType::NesMemory: return _nesConsole->DebugRead(address);
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case MemoryType::NesPpuMemory: return _nesConsole->DebugReadVram(address);
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case MemoryType::PceMemory: return _pceConsole->GetMemoryManager()->DebugRead(address);
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case MemoryType::SmsMemory: return _smsConsole->GetMemoryManager()->DebugRead(address);
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case MemoryType::SmsPort: return _smsConsole->GetMemoryManager()->DebugReadPort(address);
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case MemoryType::GbaMemory: return _gbaConsole->GetMemoryManager()->DebugRead(address);
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case MemoryType::WsMemory: return _wsConsole->GetMemoryManager()->DebugRead(address);
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case MemoryType::WsPort: return _wsConsole->GetMemoryManager()->DebugReadPort<uint8_t>(address);
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default:
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uint8_t* src = GetMemoryBuffer(memoryType);
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return src ? src[address] : 0;
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}
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}
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uint16_t MemoryDumper::GetMemoryValue16(MemoryType memoryType, uint32_t address, bool disableSideEffects)
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{
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uint32_t memorySize = GetMemorySize(memoryType);
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uint8_t lsb = GetMemoryValue(memoryType, address);
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uint8_t msb = GetMemoryValue(memoryType, address + 1 >= memorySize ? 0 : address + 1);
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return (msb << 8) | lsb;
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}
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uint32_t MemoryDumper::GetMemoryValue32(MemoryType memoryType, uint32_t address, bool disableSideEffects)
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{
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uint32_t memorySize = GetMemorySize(memoryType);
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uint8_t b0 = GetMemoryValue(memoryType, address);
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uint8_t b1 = GetMemoryValue(memoryType, address + 1 >= memorySize ? 0 : address + 1);
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uint8_t b2 = GetMemoryValue(memoryType, address + 2 >= memorySize ? 0 : address + 2);
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uint8_t b3 = GetMemoryValue(memoryType, address + 3 >= memorySize ? 0 : address + 3);
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return (b3 << 24) | (b2 << 16) | (b1 << 8) | b0;
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}
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void MemoryDumper::SetMemoryValue16(MemoryType memoryType, uint32_t address, uint16_t value, bool disableSideEffects)
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{
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DebugBreakHelper helper(_debugger);
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SetMemoryValue(memoryType, address, (uint8_t)value, disableSideEffects);
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SetMemoryValue(memoryType, address + 1, (uint8_t)(value >> 8), disableSideEffects);
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}
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void MemoryDumper::SetMemoryValue32(MemoryType memoryType, uint32_t address, uint32_t value, bool disableSideEffects)
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{
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DebugBreakHelper helper(_debugger);
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SetMemoryValue(memoryType, address, (uint8_t)value, disableSideEffects);
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SetMemoryValue(memoryType, address + 1, (uint8_t)(value >> 8), disableSideEffects);
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SetMemoryValue(memoryType, address + 2, (uint8_t)(value >> 16), disableSideEffects);
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SetMemoryValue(memoryType, address + 3, (uint8_t)(value >> 24), disableSideEffects);
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}
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bool MemoryDumper::HasUndoHistory()
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{
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auto lock = _undoLock.AcquireSafe();
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return _undoHistory.size() > 0;
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}
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void MemoryDumper::PerformUndo()
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{
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auto lock = _undoLock.AcquireSafe();
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if(!_undoHistory.empty()) {
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DebugBreakHelper helper(_debugger);
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UndoBatch& batch = _undoHistory.back();
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for(auto entry : batch.Entries) {
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InternalSetMemoryValues(entry.MemType, entry.StartAddress, entry.OriginalData.data(), (uint32_t)entry.OriginalData.size(), true, false);
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}
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_undoHistory.pop_back();
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_debugger->GetCdlManager()->RefreshCodeCache();
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}
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}
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