int run_game(int game) { running_machine *machine; int error = MAMERR_NONE; mame_private *mame; callback_item *cb; /* create the machine structure and driver */ machine = create_machine(game); mame = machine->mame_data; /* looooong term: remove this */ Machine = machine; /* start in the "pre-init phase" */ mame->current_phase = MAME_PHASE_PREINIT; /* perform validity checks before anything else */ if (mame_validitychecks(game) != 0) return MAMERR_FAILED_VALIDITY; /* loop across multiple hard resets */ mame->exit_pending = FALSE; while (error == 0 && !mame->exit_pending) { init_resource_tracking(); add_free_resources_callback(timer_free); add_free_resources_callback(state_save_free); /* use setjmp/longjmp for deep error recovery */ mame->fatal_error_jmpbuf_valid = TRUE; error = setjmp(mame->fatal_error_jmpbuf); if (error == 0) { int settingsloaded; /* move to the init phase */ mame->current_phase = MAME_PHASE_INIT; /* start tracking resources for real */ begin_resource_tracking(); /* if we have a logfile, set up the callback */ mame->logerror_callback_list = NULL; if (options.logfile) add_logerror_callback(machine, logfile_callback); /* then finish setting up our local machine */ init_machine(machine); /* load the configuration settings and NVRAM */ settingsloaded = config_load_settings(); nvram_load(); /* display the startup screens */ ui_display_startup_screens(!settingsloaded && !options.skip_disclaimer, !options.skip_warnings, !options.skip_gameinfo); /* ensure we don't show the opening screens on a reset */ options.skip_disclaimer = options.skip_warnings = options.skip_gameinfo = TRUE; /* start resource tracking; note that soft_reset assumes it can */ /* call end_resource_tracking followed by begin_resource_tracking */ /* to clear out resources allocated between resets */ begin_resource_tracking(); /* perform a soft reset -- this takes us to the running phase */ soft_reset(0); /* run the CPUs until a reset or exit */ mame->hard_reset_pending = FALSE; while ((!mame->hard_reset_pending && !mame->exit_pending) || mame->saveload_pending_file != NULL) { profiler_mark(PROFILER_EXTRA); /* execute CPUs if not paused */ if (!mame->paused) cpuexec_timeslice(); /* otherwise, just pump video updates through */ else video_frame_update(); /* handle save/load */ if (mame->saveload_schedule_callback) (*mame->saveload_schedule_callback)(machine); profiler_mark(PROFILER_END); } /* and out via the exit phase */ mame->current_phase = MAME_PHASE_EXIT; /* stop tracking resources at this level */ end_resource_tracking(); /* save the NVRAM and configuration */ nvram_save(); config_save_settings(); } mame->fatal_error_jmpbuf_valid = FALSE; /* call all exit callbacks registered */ for (cb = mame->exit_callback_list; cb; cb = cb->next) (*cb->func.exit)(machine); /* close all inner resource tracking */ exit_resource_tracking(); /* free our callback lists */ free_callback_list(&mame->exit_callback_list); free_callback_list(&mame->reset_callback_list); free_callback_list(&mame->pause_callback_list); } /* destroy the machine */ destroy_machine(machine); /* return an error */ return error; }
void init_resource_tracking(void) { resource_tracking_tag = 0; add_free_resources_callback(auto_malloc_free); }