#include "stdafx.h" #include "MemoryAccessCounter.h" #include "DebugBreakHelper.h" #include "Debugger.h" #include "MemoryDumper.h" #include "SNES/MemoryManager.h" #include "SNES/Console.h" #include "SNES/Spc.h" #include "SNES/Coprocessors/SA1/Sa1.h" #include "SNES/Coprocessors/GSU/Gsu.h" #include "SNES/Coprocessors/CX4/Cx4.h" #include "SNES/BaseCartridge.h" #include "Gameboy/Gameboy.h" MemoryAccessCounter::MemoryAccessCounter(Debugger* debugger) { _debugger = debugger; for(int i = (int)SnesMemoryType::PrgRom; i < (int)SnesMemoryType::Register; i++) { uint32_t memSize = _debugger->GetMemoryDumper()->GetMemorySize((SnesMemoryType)i); _counters[i].reserve(memSize); for(uint32_t j = 0; j < memSize; j++) { _counters[i].push_back({ j }); } } } bool MemoryAccessCounter::IsAddressUninitialized(AddressInfo& addressInfo) { if(!DebugUtilities::IsRomMemory(addressInfo.Type)) { return _counters[(int)addressInfo.Type][addressInfo.Address].WriteCount == 0; } return false; } uint64_t MemoryAccessCounter::GetReadCount(AddressInfo& addressInfo) { return _counters[(int)addressInfo.Type][addressInfo.Address].ReadCount; } bool MemoryAccessCounter::ProcessMemoryRead(AddressInfo &addressInfo, uint64_t masterClock) { if(addressInfo.Address < 0) { return false; } AddressCounters& counts = _counters[(int)addressInfo.Type][addressInfo.Address]; counts.ReadCount++; counts.ReadStamp = masterClock; if(counts.WriteCount == 0 && IsAddressUninitialized(addressInfo)) { //Mark address as read before being written to (if trying to read/execute) counts.UninitRead = true; return true; } return false; } void MemoryAccessCounter::ProcessMemoryWrite(AddressInfo& addressInfo, uint64_t masterClock) { if(addressInfo.Address < 0) { return; } AddressCounters& counts = _counters[(int)addressInfo.Type][addressInfo.Address]; counts.WriteCount++; counts.WriteStamp = masterClock; } void MemoryAccessCounter::ProcessMemoryExec(AddressInfo& addressInfo, uint64_t masterClock) { if(addressInfo.Address < 0) { return; } AddressCounters& counts = _counters[(int)addressInfo.Type][addressInfo.Address]; counts.ExecCount++; counts.ExecStamp = masterClock; } void MemoryAccessCounter::ResetCounts() { DebugBreakHelper helper(_debugger); for(int i = 0; i < (int)SnesMemoryType::Register; i++) { for(uint32_t j = 0; j < _counters[i].size(); j++) { _counters[i][j] = { j }; } } } void MemoryAccessCounter::GetAccessCounts(uint32_t offset, uint32_t length, SnesMemoryType memoryType, AddressCounters counts[]) { if(memoryType <= DebugUtilities::GetLastCpuMemoryType()) { AddressInfo addr = {}; addr.Type = memoryType; for(uint32_t i = 0; i < length; i++) { addr.Address = offset + i; AddressInfo info = _debugger->GetAbsoluteAddress(addr); if(info.Address >= 0) { counts[i] = _counters[(int)info.Type][info.Address]; } } } else { memcpy(counts, _counters[(int)memoryType].data() + offset, length * sizeof(AddressCounters)); } }