Prevent soft-locking the emulator on bad PBP files

Core/Dialog/SavedataParam.cpp

@@ -337,7 +337,7 @@ bool SavedataParam::Delete(SceUtilitySavedataParam* param, int saveId) {
 
 	std::string dirPath = GetSaveFilePath(param, GetSaveDir(saveId));
 	if (dirPath.size() == 0) {
-		ERROR_LOG(Log::sceUtility, "GetSaveFilePath (%.*s) returned empty - cannot delete save directory. Might already be deleted?", sizeof(param->gameName), param->gameName);
+		ERROR_LOG(Log::sceUtility, "GetSaveFilePath (%.*s) returned empty - cannot delete save directory. Might already be deleted?", (int)sizeof(param->gameName), param->gameName);
 		return false;
 	}
 

Core/MIPS/IR/IRRegCache.h

@@ -31,7 +31,7 @@ constexpr int TOTAL_MAPPABLE_IRREGS = 256;
 // Arbitrary - increase if your backend has more.
 constexpr int TOTAL_POSSIBLE_NATIVEREGS = 128;
 
-typedef int8_t IRNativeReg;
+typedef int8_t IRNativeReg;  // invalid value is -1
 
 constexpr IRReg IRREG_INVALID = 255;
 

Core/MIPS/x86/X64IRRegCache.cpp

@@ -265,7 +265,7 @@ X64Reg X64IRRegCache::GetAndLockTempFPR() {
 
 void X64IRRegCache::ReserveAndLockXGPR(Gen::X64Reg r) {
 	IRNativeReg nreg = GPRToNativeReg(r);
-	if (nr[nreg].mipsReg != -1)
+	if (nr[nreg].mipsReg != IRREG_INVALID)
 		FlushNativeReg(nreg);
 	nr[r].tempLockIRIndex = irIndex_;
 }

UI/EmuScreen.cpp

@@ -1020,6 +1020,7 @@ static UI::AnchorLayoutParams *AnchorInCorner(const Bounds &bounds, int corner,
 void EmuScreen::CreateViews() {
 	using namespace UI;
 
+	auto di = GetI18NCategory(I18NCat::DIALOG);
 	auto dev = GetI18NCategory(I18NCat::DEVELOPER);
 	auto sc = GetI18NCategory(I18NCat::SCREEN);
 
@@ -1043,9 +1044,21 @@ void EmuScreen::CreateViews() {
 	resumeButton_->SetVisibility(V_GONE);
 
 	resetButton_ = buttons->Add(new Button(dev->T("Reset")));
-	resetButton_->OnClick.Handle(this, &EmuScreen::OnReset);
+	resetButton_->OnClick.Add([](UI::EventParams &) {
+		if (coreState == CoreState::CORE_RUNTIME_ERROR) {
+			System_PostUIMessage(UIMessage::REQUEST_GAME_RESET);
+		}
+		return UI::EVENT_DONE;
+	});
 	resetButton_->SetVisibility(V_GONE);
 
+	backButton_ = buttons->Add(new Button(dev->T("Back")));
+	backButton_->OnClick.Add([this](UI::EventParams &) {
+		this->pauseTrigger_ = true;
+		return UI::EVENT_DONE;
+	});
+	backButton_->SetVisibility(V_GONE);
+
 	cardboardDisableButton_ = root_->Add(new Button(sc->T("Cardboard VR OFF"), new AnchorLayoutParams(bounds.centerX(), NONE, NONE, 30, true)));
 	cardboardDisableButton_->OnClick.Handle(this, &EmuScreen::OnDisableCardboard);
 	cardboardDisableButton_->SetVisibility(V_GONE);
@@ -1166,19 +1179,13 @@ UI::EventReturn EmuScreen::OnResume(UI::EventParams &params) {
 	return UI::EVENT_DONE;
 }
 
-UI::EventReturn EmuScreen::OnReset(UI::EventParams &params) {
-	if (coreState == CoreState::CORE_RUNTIME_ERROR) {
-		System_PostUIMessage(UIMessage::REQUEST_GAME_RESET);
-	}
-	return UI::EVENT_DONE;
-}
-
 void EmuScreen::update() {
 	using namespace UI;
 
 	UIScreen::update();
 	resumeButton_->SetVisibility(coreState == CoreState::CORE_RUNTIME_ERROR && Memory::MemFault_MayBeResumable() ? V_VISIBLE : V_GONE);
 	resetButton_->SetVisibility(coreState == CoreState::CORE_RUNTIME_ERROR ? V_VISIBLE : V_GONE);
+	backButton_->SetVisibility(coreState == CoreState::CORE_RUNTIME_ERROR ? V_VISIBLE : V_GONE);
 
 	if (chatButton_ && chatMenu_) {
 		if (chatMenu_->GetVisibility() != V_GONE) {
@@ -1224,18 +1231,18 @@ void EmuScreen::update() {
 		return;
 	}
 
+	if (pauseTrigger_) {
+		pauseTrigger_ = false;
+		screenManager()->push(new GamePauseScreen(gamePath_));
+	}
+
 	if (invalid_)
 		return;
 
 	double now = time_now_d();
 
 	controlMapper_.Update(now);
 
-	if (pauseTrigger_) {
-		pauseTrigger_ = false;
-		screenManager()->push(new GamePauseScreen(gamePath_));
-	}
-
 	if (saveStatePreview_ && !bootPending_) {
 		int currentSlot = SaveState::GetCurrentSlot();
 		if (saveStateSlot_ != currentSlot) {
@@ -1297,6 +1304,11 @@ ScreenRenderRole EmuScreen::renderRole(bool isTop) const {
 				return true;
 			return false;
 		}
+
+		if (invalid_) {
+			return false;
+		}
+
 		return true;
 	};
 

UI/EmuScreen.h

@@ -67,7 +67,6 @@ class EmuScreen : public UIScreen {
 	UI::EventReturn OnDisableCardboard(UI::EventParams &params);
 	UI::EventReturn OnChat(UI::EventParams &params);
 	UI::EventReturn OnResume(UI::EventParams &params);
-	UI::EventReturn OnReset(UI::EventParams &params);
 
 	void bootGame(const Path &filename);
 	bool bootAllowStorage(const Path &filename);
@@ -114,6 +113,7 @@ class EmuScreen : public UIScreen {
 	UI::TextView *loadingTextView_ = nullptr;
 	UI::Button *resumeButton_ = nullptr;
 	UI::Button *resetButton_ = nullptr;
+	UI::Button *backButton_ = nullptr;
 	UI::View *chatButton_ = nullptr;
 	ChatMenu *chatMenu_ = nullptr;
 

UI/GameInfoCache.cpp

@@ -522,6 +522,10 @@ class GameInfoWorkItem : public Task {
 						goto handleELF;
 					}
 					ERROR_LOG(Log::Loader, "invalid pbp '%s'\n", pbpLoader->GetPath().c_str());
+					// We can't win here - just mark everything pending as fetched, and let the caller
+					// handle the missing data.
+					std::unique_lock<std::mutex> lock(info_->lock);
+					info_->MarkReadyNoLock(flags_);
 					return;
 				}
 
@@ -720,10 +724,17 @@ class GameInfoWorkItem : public Task {
 				// few files.
 				auto fl = info_->GetFileLoader();
 				if (!fl) {
+					// BAD! Can't win here.
+					ERROR_LOG(Log::Loader, "Failed getting game info for ISO %s", info_->GetFilePath().ToVisualString().c_str());
+					std::unique_lock<std::mutex> lock(info_->lock);
+					info_->MarkReadyNoLock(flags_);
 					return;
 				}
 				BlockDevice *bd = constructBlockDevice(info_->GetFileLoader().get());
 				if (!bd) {
+					ERROR_LOG(Log::Loader, "Failed constructing block device for ISO %s", info_->GetFilePath().ToVisualString().c_str());
+					std::unique_lock<std::mutex> lock(info_->lock);
+					info_->MarkReadyNoLock(flags_);
 					return;
 				}
 				ISOFileSystem umd(&handles, bd);