Loader: deny boot if the firmware is too old

rpcs3/Emu/System.cpp

@@ -137,6 +137,7 @@ void fmt_class_string<game_boot_result>::format(std::string& out, u64 arg)
 		case game_boot_result::decryption_error: return "Failed to decrypt content";
 		case game_boot_result::file_creation_error: return "Could not create important files";
 		case game_boot_result::firmware_missing: return "Firmware is missing";
+		case game_boot_result::firmware_version: return "Firmware is too old";
 		case game_boot_result::unsupported_disc_type: return "This disc type is not supported yet";
 		case game_boot_result::savestate_corrupted: return "Savestate data is corrupted or it's not an RPCS3 savestate";
 		case game_boot_result::savestate_version_unsupported: return "Savestate versioning data differs from your RPCS3 build.\nTry to use an older or newer RPCS3 build.\nEspecially if you know the build that created the savestate.";
@@ -1965,7 +1966,6 @@ game_boot_result Emulator::Load(const std::string& title_id, bool is_disc_patch,
 		// Initialize performance monitor
 		g_fxo->init<named_thread<perf_monitor>>();
 
-		// Set title to actual disc title if necessary
 		const std::string disc_sfo_dir = vfs::get("/dev_bdvd/PS3_GAME/PARAM.SFO");
 
 		const auto disc_psf_obj = psf::load_object(disc_sfo_dir);
@@ -2100,6 +2100,21 @@ game_boot_result Emulator::Load(const std::string& title_id, bool is_disc_patch,
 			}
 		}
 
+		// Check firmware version
+		if (const std::string_view game_fw_version = psf::get_string(_psf, "PS3_SYSTEM_VER", ""); !game_fw_version.empty())
+		{
+			if (const std::string fw_version = utils::get_firmware_version(); fw_version.empty())
+			{
+				sys_log.warning("Firmware not installed. Skipping required firmware check. (title_id='%s', game_fw='%s')", m_title_id, game_fw_version);
+			}
+			else if (rpcs3::utils::version_is_bigger(game_fw_version, fw_version, m_title_id, true))
+			{
+				sys_log.error("The game's required firmware version is higher than the installed firmware's version. (title_id='%s', game_fw='%s', fw='%s')", m_title_id, game_fw_version, fw_version);
+				return game_boot_result::firmware_version;
+			}
+		}
+
+		// Set title to actual disc title if necessary
 		if (!disc_psf_obj.empty())
 		{
 			const auto bdvd_title = psf::get_string(disc_psf_obj, "TITLE");

rpcs3/Emu/System.h

@@ -51,6 +51,7 @@ enum class game_boot_result : u32
 	decryption_error,
 	file_creation_error,
 	firmware_missing,
+	firmware_version,
 	unsupported_disc_type,
 	savestate_corrupted,
 	savestate_version_unsupported,

rpcs3/Emu/system_utils.cpp

@@ -418,4 +418,19 @@ namespace rpcs3::utils
 
 		return {};
 	}
+
+	bool version_is_bigger(std::string_view v0, std::string_view v1, std::string_view serial, bool is_fw)
+	{
+		std::add_pointer_t<char> ev0, ev1;
+		const double ver0 = std::strtod(v0.data(), &ev0);
+		const double ver1 = std::strtod(v1.data(), &ev1);
+
+		if (v0.data() + v0.size() == ev0 && v1.data() + v1.size() == ev1)
+		{
+			return ver0 > ver1;
+		}
+
+		sys_log.error("Failed to compare the %s numbers for title ID %s: '%s'-'%s'", is_fw ? "firmware version" : "version", serial, v0, v1);
+		return false;
+	}
 }

rpcs3/Emu/system_utils.hpp

@@ -42,4 +42,6 @@ namespace rpcs3::utils
 	std::string get_custom_input_config_path(const std::string& title_id);
 
 	std::string get_game_content_path(game_content_type type);
+
+	bool version_is_bigger(std::string_view v0, std::string_view v1, std::string_view serial, bool is_fw);
 }

rpcs3/rpcs3qt/game_list_frame.cpp

@@ -864,30 +864,15 @@ void game_list_frame::OnRefreshFinished()
 			if (entry->info.serial != other->info.serial) continue;
 
 			// The patch is game data and must have the same serial and an app version
-			static constexpr auto version_is_bigger = [](const std::string& v0, const std::string& v1, const std::string& serial, bool is_fw)
-			{
-				std::add_pointer_t<char> ev0, ev1;
-				const double ver0 = std::strtod(v0.c_str(), &ev0);
-				const double ver1 = std::strtod(v1.c_str(), &ev1);
-
-				if (v0.c_str() + v0.size() == ev0 && v1.c_str() + v1.size() == ev1)
-				{
-					return ver0 > ver1;
-				}
-
-				game_list_log.error("Failed to update the displayed %s numbers for title ID %s\n'%s'-'%s'", is_fw ? "firmware version" : "version", serial, v0, v1);
-				return false;
-			};
-
 			if (other->info.app_ver != cat_unknown_localized)
 			{
 				// Update the app version if it's higher than the disc's version (old games may not have an app version)
-				if (entry->info.app_ver == cat_unknown_localized || version_is_bigger(other->info.app_ver, entry->info.app_ver, entry->info.serial, true))
+				if (entry->info.app_ver == cat_unknown_localized || rpcs3::utils::version_is_bigger(other->info.app_ver, entry->info.app_ver, entry->info.serial, false))
 				{
 					entry->info.app_ver = other->info.app_ver;
 				}
 				// Update the firmware version if possible and if it's higher than the disc's version
-				if (other->info.fw != cat_unknown_localized && version_is_bigger(other->info.fw, entry->info.fw, entry->info.serial, false))
+				if (other->info.fw != cat_unknown_localized && rpcs3::utils::version_is_bigger(other->info.fw, entry->info.fw, entry->info.serial, true))
 				{
 					entry->info.fw = other->info.fw;
 				}

rpcs3/rpcs3qt/main_window.cpp

@@ -538,6 +538,9 @@ void main_window::show_boot_error(game_boot_result status)
 	case game_boot_result::still_running:
 		message = tr("A game or PS3 application is still running or has yet to be fully stopped.");
 		break;
+	case game_boot_result::firmware_version:
+		message = tr("The game or PS3 application needs a more recent firmware version.");
+		break;
 	case game_boot_result::firmware_missing: // Handled elsewhere
 	case game_boot_result::already_added: // Handled elsewhere
 	case game_boot_result::currently_restricted: