RetroArch/ps3/main.c

/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
 * Copyright (C) 2010-2012 - Hans-Kristian Arntzen
 * Copyright (C) 2011-2012 - Daniel De Matteis
 *
 * Some code herein may be based on code found in BSNES.
 *
 * SSNES is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with SSNES.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>

#include <sdk_version.h>
#include <sys/process.h>
#include <cell/sysmodule.h>
#include <sysutil/sysutil_screenshot.h>
#include <sysutil/sysutil_common.h>
#include <sysutil/sysutil_gamecontent.h>
#include <sysutil/sysutil_syscache.h>

#if(CELL_SDK_VERSION > 0x340000)
#include <sysutil/sysutil_bgmplayback.h>
#endif

#include <cell/sysmodule.h>
#include <sysutil/sysutil_common.h>
#include <sys/process.h>
#include <netex/net.h>
#include <np.h>
#include <np/drm.h>

#include "ps3_input.h"
#include "ps3_video_psgl.h"

#include "../console/console_ext.h"
#include "../console/main_wrap.h"
#include "../conf/config_file.h"
#include "../conf/config_file_macros.h"
#include "../input/input_luts.h"
#include "../general.h"
#include "../file.h"

#include "shared.h"

#include "menu.h"

#define MAX_PATH_LENGTH 1024

#define EMULATOR_CONTENT_DIR "SSNE10000"
#define EMULATOR_CORE_DIR "cores"

#define CACHE_ID "ABCD12345"
#define NP_POOL_SIZE (128*1024)

static uint8_t np_pool[NP_POOL_SIZE];
char contentInfoPath[MAX_PATH_LENGTH];
char usrDirPath[MAX_PATH_LENGTH];
char DEFAULT_PRESET_FILE[MAX_PATH_LENGTH];
char DEFAULT_BORDER_FILE[MAX_PATH_LENGTH];
char DEFAULT_MENU_BORDER_FILE[MAX_PATH_LENGTH];
char PRESETS_DIR_PATH[MAX_PATH_LENGTH];
char INPUT_PRESETS_DIR_PATH[MAX_PATH_LENGTH];
char BORDERS_DIR_PATH[MAX_PATH_LENGTH];
char SHADERS_DIR_PATH[MAX_PATH_LENGTH];
char LIBSNES_DIR_PATH[MAX_PATH_LENGTH];
char DEFAULT_SHADER_FILE[MAX_PATH_LENGTH];
char DEFAULT_MENU_SHADER_FILE[MAX_PATH_LENGTH];
char SYS_CONFIG_FILE[MAX_PATH_LENGTH];
char EMULATOR_CORE_SELF[MAX_PATH_LENGTH];
char MULTIMAN_EXECUTABLE[MAX_PATH_LENGTH];

int ssnes_main(int argc, char *argv[]);

SYS_PROCESS_PARAM(1001, 0x100000)

#undef main

static void set_default_settings(void)
{
	// g_settings
	strlcpy(g_settings.cheat_database, usrDirPath, sizeof(g_settings.cheat_database));
	g_settings.rewind_enable = false;
	strlcpy(g_settings.video.cg_shader_path, DEFAULT_SHADER_FILE, sizeof(g_settings.video.cg_shader_path));
	g_settings.video.fbo_scale_x = 2.0f;
	g_settings.video.fbo_scale_y = 2.0f;
	g_settings.video.render_to_texture = true;
	strlcpy(g_settings.video.second_pass_shader, DEFAULT_SHADER_FILE, sizeof(g_settings.video.second_pass_shader));
	g_settings.video.second_pass_smooth = true;
	g_settings.video.smooth = true;
	g_settings.video.vsync = true;
	strlcpy(g_settings.cheat_database, usrDirPath, sizeof(g_settings.cheat_database));
	g_settings.video.msg_pos_x = 0.05f;
	g_settings.video.msg_pos_y = 0.90f;
	g_settings.video.aspect_ratio = -1.0f;
	
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_B]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_CROSS];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_Y]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_SQUARE];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_SELECT]	=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_SELECT];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_START]	=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_START];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_UP]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_UP];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_DOWN]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_DOWN];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_LEFT]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_LEFT];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_RIGHT]	=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_RIGHT];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_A]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_CIRCLE];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_X]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_TRIANGLE];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_L]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_L1];
	ssnes_default_keybind_lut[SNES_DEVICE_ID_JOYPAD_R]		=	ssnes_platform_keybind_lut[PS3_DEVICE_ID_JOYPAD_R1];

	for(uint32_t x = 0; x < MAX_PLAYERS; x++)
	{
		for(uint32_t y = 0; y < SSNES_FIRST_META_KEY; y++)
		{
			g_settings.input.binds[x][y].id = y;
			g_settings.input.binds[x][y].joykey = ssnes_default_keybind_lut[y];
		}
		g_settings.input.dpad_emulation[x] = DPAD_EMULATION_LSTICK;
	}

	// g_console
	g_console.block_config_read = true;
	g_console.frame_advance_enable = false;
	g_console.emulator_initialized = 0;
	g_console.screenshots_enable = true;
	g_console.throttle_enable = true;
	g_console.initialize_ssnes_enable = false;
	g_console.triple_buffering_enable = true;
	g_console.default_savestate_dir_enable = false;
	g_console.default_sram_dir_enable = false;
	g_console.mode_switch = MODE_MENU;
	g_console.screen_orientation = ORIENTATION_NORMAL;
	g_console.current_resolution_id = CELL_VIDEO_OUT_RESOLUTION_UNDEFINED;
	strlcpy(g_console.default_rom_startup_dir, "/", sizeof(g_console.default_rom_startup_dir));
	strlcpy(g_console.default_savestate_dir, usrDirPath, sizeof(g_console.default_savestate_dir));
	strlcpy(g_console.default_sram_dir, usrDirPath, sizeof(g_console.default_sram_dir));
	g_console.aspect_ratio_index = 0;
	strlcpy(g_console.aspect_ratio_name, "4:3", sizeof(g_console.aspect_ratio_name));
	g_console.menu_font_size = 1.0f;
	g_console.overscan_enable = false;
	g_console.overscan_amount = 0.0f;
	g_console.sound_mode = SOUND_MODE_NORMAL;
	g_console.custom_viewport_width = 0;
	g_console.custom_viewport_height = 0;
	g_console.custom_viewport_x = 0;
	g_console.custom_viewport_y = 0;
	strlcpy(g_console.rsound_ip_address, "0.0.0.0", sizeof(g_console.rsound_ip_address));
	g_console.custom_bgm_enable = true;
	
	// g_extern
	g_extern.state_slot = 0;
	g_extern.audio_data.mute = 0;
	g_extern.verbose = true;
}

static void init_settings(bool load_libsnes_path)
{
	if(!path_file_exists(SYS_CONFIG_FILE))
	{
		SSNES_ERR("Config file \"%s\" doesn't exist. Creating...\n", SYS_CONFIG_FILE);
		FILE * f;
		f = fopen(SYS_CONFIG_FILE, "w");
		fclose(f);
	}
	else
	{

		config_file_t * conf = config_file_new(SYS_CONFIG_FILE);

		// g_settings

		if(load_libsnes_path)
		{
			CONFIG_GET_STRING(libsnes, "libsnes_path");

			if(!strcmp(g_settings.libsnes, ""))
			{
				//We need to set libsnes to the first entry in the cores
				//directory so that it will be saved to the config file
				char ** dir_list = dir_list_new(LIBSNES_DIR_PATH, ".SELF");
				if (!dir_list)
				{
					SSNES_ERR("Couldn't read %s directory.\n", EMULATOR_CORE_DIR);
					return;
				}

				const char * first_self = dir_list[0];

				if(first_self)
				{
					SSNES_LOG("Set first entry in libsnes %s dir: [%s] to libsnes path.\n", EMULATOR_CORE_DIR, first_self);
					strlcpy(g_settings.libsnes, first_self, sizeof(g_settings.libsnes));
				}
				else
				{
					SSNES_ERR("Failed to set first entry in libsnes %s dir to libsnes path.\n", EMULATOR_CORE_DIR);
				}

				dir_list_free(dir_list);
			}
		}

		CONFIG_GET_STRING(cheat_database, "cheat_database");
		CONFIG_GET_BOOL(rewind_enable, "rewind_enable");
		CONFIG_GET_STRING(video.cg_shader_path, "video_cg_shader");
		CONFIG_GET_STRING(video.second_pass_shader, "video_second_pass_shader");
		CONFIG_GET_FLOAT(video.fbo_scale_x, "video_fbo_scale_x");
		CONFIG_GET_FLOAT(video.fbo_scale_y, "video_fbo_scale_y");
		CONFIG_GET_BOOL(video.render_to_texture, "video_render_to_texture");
		CONFIG_GET_BOOL(video.second_pass_smooth, "video_second_pass_smooth");
		CONFIG_GET_BOOL(video.smooth, "video_smooth");
		CONFIG_GET_BOOL(video.vsync, "video_vsync");
		CONFIG_GET_FLOAT(video.aspect_ratio, "video_aspect_ratio");

      for (unsigned i = 0; i < 7; i++)
      {
         char cfg[64];
         snprintf(cfg, sizeof(cfg), "input_dpad_emulation_p%u", i + 1);
         CONFIG_GET_INT(input.dpad_emulation[i], cfg);
      }

		// g_console

		CONFIG_GET_BOOL_CONSOLE(custom_bgm_enable, "custom_bgm_enable");
		CONFIG_GET_BOOL_CONSOLE(overscan_enable, "overscan_enable");
		CONFIG_GET_BOOL_CONSOLE(screenshots_enable, "screenshots_enable");
		CONFIG_GET_BOOL_CONSOLE(throttle_enable, "throttle_enable");
		CONFIG_GET_BOOL_CONSOLE(triple_buffering_enable, "triple_buffering_enable");
		CONFIG_GET_INT_CONSOLE(aspect_ratio_index, "aspect_ratio_index");
		CONFIG_GET_INT_CONSOLE(current_resolution_id, "current_resolution_id");
		CONFIG_GET_INT_CONSOLE(custom_viewport_x, "custom_viewport_x");
		CONFIG_GET_INT_CONSOLE(custom_viewport_y, "custom_viewport_y");
		CONFIG_GET_INT_CONSOLE(custom_viewport_width, "custom_viewport_width");
		CONFIG_GET_INT_CONSOLE(custom_viewport_height, "custom_viewport_height");
		CONFIG_GET_INT_CONSOLE(screen_orientation, "screen_orientation");
		CONFIG_GET_INT_CONSOLE(sound_mode, "sound_mode");
		CONFIG_GET_STRING_CONSOLE(aspect_ratio_name, "aspect_ratio_name");
		CONFIG_GET_STRING_CONSOLE(default_rom_startup_dir, "default_rom_startup_dir");
		CONFIG_GET_FLOAT_CONSOLE(menu_font_size, "menu_font_size");
		CONFIG_GET_FLOAT_CONSOLE(overscan_amount, "overscan_amount");

		// g_extern
		CONFIG_GET_INT_EXTERN(state_slot, "state_slot");
		CONFIG_GET_INT_EXTERN(audio_data.mute, "audio_mute");
	}
}

static void save_settings(void)
{
	if(!path_file_exists(SYS_CONFIG_FILE))
	{
		SSNES_ERR("Config file \"%s\" doesn't exist. Creating...\n", SYS_CONFIG_FILE);
		FILE * f;
		f = fopen(SYS_CONFIG_FILE, "w");
		fclose(f);
	}
	else
	{

		config_file_t * conf = config_file_new(SYS_CONFIG_FILE);

		if(conf == NULL)
			conf = config_file_new(NULL);

		// g_settings
		config_set_string(conf, "libsnes_path", g_settings.libsnes);
		config_set_string(conf, "cheat_database_path", g_settings.cheat_database);
		config_set_bool(conf, "rewind_enable", g_settings.rewind_enable);
		config_set_string(conf, "video_cg_shader", g_settings.video.cg_shader_path);
		config_set_string(conf, "video_second_pass_shader", g_settings.video.second_pass_shader);
		config_set_float(conf, "video_aspect_ratio", g_settings.video.aspect_ratio);
		config_set_float(conf, "video_fbo_scale_x", g_settings.video.fbo_scale_x);
		config_set_float(conf, "video_fbo_scale_y", g_settings.video.fbo_scale_y);
		config_set_bool(conf, "video_render_to_texture", g_settings.video.render_to_texture);
		config_set_bool(conf, "video_second_pass_smooth", g_settings.video.second_pass_smooth);
		config_set_bool(conf, "video_smooth", g_settings.video.smooth);
		config_set_bool(conf, "video_vsync", g_settings.video.vsync);

      for (unsigned i = 0; i < 7; i++)
      {
         char cfg[64];
         snprintf(cfg, sizeof(cfg), "input_dpad_emulation_p%u", i + 1);
         config_set_int(conf, cfg, g_settings.input.dpad_emulation[i]);
      }

		// g_console
		config_set_bool(conf, "custom_bgm_enable", g_console.custom_bgm_enable);
		config_set_bool(conf, "overscan_enable", g_console.overscan_enable);
		config_set_bool(conf, "screenshots_enable", g_console.screenshots_enable);
		config_set_bool(conf, "throttle_enable", g_console.throttle_enable);
		config_set_bool(conf, "triple_buffering_enable", g_console.triple_buffering_enable);
		config_set_int(conf, "sound_mode", g_console.sound_mode);
		config_set_int(conf, "aspect_ratio_index", g_console.aspect_ratio_index);
		config_set_int(conf, "current_resolution_id", g_console.current_resolution_id);
		config_set_int(conf, "custom_viewport_width", g_console.custom_viewport_width);
		config_set_int(conf, "custom_viewport_height", g_console.custom_viewport_height);
		config_set_int(conf, "custom_viewport_x", g_console.custom_viewport_x);
		config_set_int(conf, "custom_viewport_y", g_console.custom_viewport_y);
		config_set_int(conf, "screen_orientation", g_console.screen_orientation);
		config_set_string(conf, "aspect_ratio_name", g_console.aspect_ratio_name);
		config_set_string(conf, "default_rom_startup_dir", g_console.default_rom_startup_dir);
		config_set_float(conf, "menu_font_size", g_console.menu_font_size);
		config_set_float(conf, "overscan_amount", g_console.overscan_amount);

		// g_extern
		config_set_int(conf, "state_slot", g_extern.state_slot);
		config_set_int(conf, "audio_mute", g_extern.audio_data.mute);

		if (!config_file_write(conf, SYS_CONFIG_FILE))
			SSNES_ERR("Failed to write config file to \"%s\". Check permissions.\n", SYS_CONFIG_FILE);

		free(conf);
	}
}

static void callback_sysutil_exit(uint64_t status, uint64_t param, void *userdata)
{
	(void) param;
	(void) userdata;

	switch (status)
	{
		case CELL_SYSUTIL_REQUEST_EXITGAME:
			g_console.menu_enable = false;
			g_quitting = true;
			g_console.ingame_menu_enable = false;
			g_console.mode_switch = MODE_EXIT;
			break;
		case CELL_SYSUTIL_OSKDIALOG_FINISHED:
			oskutil_close(&g_console.oskutil_handle);
			oskutil_finished(&g_console.oskutil_handle);
			break;
		case CELL_SYSUTIL_OSKDIALOG_UNLOADED:
			oskutil_unload(&g_console.oskutil_handle);
			break;
	}
}

static void get_environment_settings(int argc, char *argv[])
{
	g_extern.verbose = true;

	int ret;
	unsigned int get_type;
	unsigned int get_attributes;
	CellGameContentSize size;
	char dirName[CELL_GAME_DIRNAME_SIZE];
	CellSysCacheParam param;
	memset(&param, 0x00, sizeof(CellSysCacheParam));
	strncpy(param.cacheId,CACHE_ID, sizeof(CellSysCacheParam));

	ret = cellSysCacheMount(&param);
	if(ret != CELL_SYSCACHE_RET_OK_CLEARED)
	{
		SSNES_ERR("System cache partition could not be mounted, it might be already mounted.\n");
	}

	if(argc > 1)
	{
		/* launched from external launcher */
		strncpy(MULTIMAN_EXECUTABLE, argv[2], sizeof(MULTIMAN_EXECUTABLE));
	}
	else
	{
		/* not launched from external launcher, set default path */
		strncpy(MULTIMAN_EXECUTABLE, "/dev_hdd0/game/BLES80608/USRDIR/RELOAD.SELF",
		sizeof(MULTIMAN_EXECUTABLE));
	}

	if(path_file_exists(MULTIMAN_EXECUTABLE) && (strcmp(argv[1],"") != 0))
	{
		g_console.external_launcher_support = EXTERN_LAUNCHER_MULTIMAN;
		SSNES_LOG("Started from multiMAN, auto-game start enabled.\n");
	}
	else
	{
		g_console.external_launcher_support = EXTERN_LAUNCHER_SALAMANDER;
		SSNES_WARN("Not started from multiMAN, auto-game start disabled.\n");
	}

	memset(&size, 0x00, sizeof(CellGameContentSize));

	ret = cellGameBootCheck(&get_type, &get_attributes, &size, dirName);
	if(ret < 0)
	{
		SSNES_ERR("cellGameBootCheck() Error: 0x%x.\n", ret);
	}
	else
	{
		SSNES_LOG("cellGameBootCheck() OK.\n");
		SSNES_LOG("Directory name: [%s].\n", dirName);
		SSNES_LOG(" HDD Free Size (in KB) = [%d] Size (in KB) = [%d] System Size (in KB) = [%d].\n", size.hddFreeSizeKB, size.sizeKB, size.sysSizeKB);

		switch(get_type)
		{
			case CELL_GAME_GAMETYPE_DISC:
				SSNES_LOG("SSNES was launched on Optical Disc Drive.\n");
				break;
			case CELL_GAME_GAMETYPE_HDD:
				SSNES_LOG("SSNES was launched on HDD.\n");
				break;
		}

		if((get_attributes & CELL_GAME_ATTRIBUTE_APP_HOME) == CELL_GAME_ATTRIBUTE_APP_HOME)
			SSNES_LOG("SSNES was launched from host machine (APP_HOME).\n");

		ret = cellGameContentPermit(contentInfoPath, usrDirPath);

		if(g_console.external_launcher_support == EXTERN_LAUNCHER_MULTIMAN)
		{
			snprintf(contentInfoPath, sizeof(contentInfoPath), "/dev_hdd0/game/%s", EMULATOR_CONTENT_DIR);
			snprintf(usrDirPath, sizeof(usrDirPath), "/dev_hdd0/game/%s/USRDIR", EMULATOR_CONTENT_DIR);
		}

		if(ret < 0)
		{
			SSNES_ERR("cellGameContentPermit() Error: 0x%x\n", ret);
		}
		else
		{
			SSNES_LOG("cellGameContentPermit() OK.\n");
			SSNES_LOG("contentInfoPath : [%s].\n", contentInfoPath);
			SSNES_LOG("usrDirPath : [%s].\n", usrDirPath);
		}

		/* now we fill in all the variables */
		snprintf(DEFAULT_PRESET_FILE, sizeof(DEFAULT_PRESET_FILE), "%s/%s/presets/stock.conf", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(DEFAULT_BORDER_FILE, sizeof(DEFAULT_BORDER_FILE), "%s/%s/borders/Centered-1080p/mega-man-2.png", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(DEFAULT_MENU_BORDER_FILE, sizeof(DEFAULT_MENU_BORDER_FILE), "%s/%s/borders/Menu/main-menu.png", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(PRESETS_DIR_PATH, sizeof(PRESETS_DIR_PATH), "%s/%s/presets", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(INPUT_PRESETS_DIR_PATH, sizeof(INPUT_PRESETS_DIR_PATH), "%s/input", PRESETS_DIR_PATH);
		snprintf(LIBSNES_DIR_PATH, sizeof(LIBSNES_DIR_PATH), "%s/%s", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(BORDERS_DIR_PATH, sizeof(BORDERS_DIR_PATH), "%s/%s/borders", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(SHADERS_DIR_PATH, sizeof(SHADERS_DIR_PATH), "%s/%s/shaders", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(DEFAULT_SHADER_FILE, sizeof(DEFAULT_SHADER_FILE), "%s/%s/shaders/stock.cg", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(DEFAULT_MENU_SHADER_FILE, sizeof(DEFAULT_MENU_SHADER_FILE), "%s/%s/shaders/Borders/Menu/border-only-ssnes.cg", usrDirPath, EMULATOR_CORE_DIR);
		snprintf(SYS_CONFIG_FILE, sizeof(SYS_CONFIG_FILE), "%s/ssnes.cfg", usrDirPath);
	}

	g_extern.verbose = false;
}

static void startup_ssnes(void)
{
	if(g_console.initialize_ssnes_enable)
	{
		if(g_console.emulator_initialized)
			ssnes_main_deinit();

		struct ssnes_main_wrap args = {
			.verbose = g_extern.verbose,
			.config_path = SYS_CONFIG_FILE,
			.sram_path = g_console.default_sram_dir_enable ? g_console.default_sram_dir : NULL,
			.state_path = g_console.default_savestate_dir_enable ? g_console.default_savestate_dir : NULL,
			.rom_path = g_console.rom_path
		};

		int init_ret = ssnes_main_init_wrap(&args);
		g_console.emulator_initialized = 1;
		g_console.initialize_ssnes_enable = 0;
	}
}

static bool manage_libsnes_core(void)
{
	g_extern.verbose = true;
	bool return_code;

	bool set_libsnes_path = false;
	char tmp_path[1024], tmp_path2[1024], tmp_pathnewfile[1024];
	snprintf(tmp_path, sizeof(tmp_path), "%s/%s/CORE.SELF", usrDirPath, EMULATOR_CORE_DIR);
	SSNES_LOG("Assumed path of CORE.SELF: [%s]\n", tmp_path);
	if(path_file_exists(tmp_path))
	{
		//if CORE.SELF exists, this indicates we have just installed
		//a new libsnes port and that we need to change it to a more
		//sane name.

		CellFsErrno ret;

		ssnes_console_name_from_id(tmp_path2, sizeof(tmp_path2));
		strlcat(tmp_path2, ".SELF", sizeof(tmp_path2));
		snprintf(tmp_pathnewfile, sizeof(tmp_pathnewfile), "%s/%s/%s", usrDirPath, EMULATOR_CORE_DIR, tmp_path2);

		if(path_file_exists(tmp_pathnewfile))
		{
			SSNES_LOG("Upgrading emulator core...\n");
			//if libsnes core already exists, then that means we are
			//upgrading the libsnes core - so delete pre-existing
			//file first
			ret = cellFsUnlink(tmp_pathnewfile);
			if(ret == CELL_FS_SUCCEEDED)
			{
				SSNES_LOG("Succeeded in removing pre-existing libsnes core: [%s].\n", tmp_pathnewfile);
			}
			else
			{
				SSNES_LOG("Failed to remove pre-existing libsnes core: [%s].\n", tmp_pathnewfile);
			}
		}

		//now attempt the renaming
		ret = cellFsRename(tmp_path, tmp_pathnewfile);
		if(ret != CELL_FS_SUCCEEDED)
		{
			SSNES_ERR("Failed to rename CORE.SELF.\n");
		}
		else
		{
			SSNES_LOG("Libsnes core [%s] renamed to: [%s].\n", tmp_path, tmp_pathnewfile);
			set_libsnes_path = true;
		}
	}
	else
	{
		SSNES_LOG("CORE.SELF was not found, libsnes core path will be loaded from config file.\n");
	}

	if(set_libsnes_path)
	{
		//CORE.BIN has been renamed, libsnes path will now be set to the recently
		//renamed new libsnes core
		strlcpy(g_settings.libsnes, tmp_pathnewfile, sizeof(g_settings.libsnes));
		return_code = 0;
	}
	else
	{
		//There was no CORE.BIN present, or the CORE.BIN file was not renamed.
		//The libsnes core path will still be loaded from the config file
		return_code = 1;
	}

	g_extern.verbose = false;

	return return_code;
}

int main(int argc, char *argv[])
{
	SSNES_LOG("Registering system utility callback...\n");
	cellSysutilRegisterCallback(0, callback_sysutil_exit, NULL);

	cellSysmoduleLoadModule(CELL_SYSMODULE_IO);
	cellSysmoduleLoadModule(CELL_SYSMODULE_FS);
	cellSysmoduleLoadModule(CELL_SYSMODULE_SYSUTIL_GAME);
	cellSysmoduleLoadModule(CELL_SYSMODULE_AVCONF_EXT);
	cellSysmoduleLoadModule(CELL_SYSMODULE_PNGDEC);
	cellSysmoduleLoadModule(CELL_SYSMODULE_JPGDEC);
	cellSysmoduleLoadModule(CELL_SYSMODULE_NET);
	cellSysmoduleLoadModule(CELL_SYSMODULE_SYSUTIL_NP);

	sys_net_initialize_network();

#ifdef HAVE_LOGGER
	logger_init();
#endif

	sceNpInit(NP_POOL_SIZE, np_pool);

	ssnes_main_clear_state();
	get_environment_settings(argc, argv);

	config_set_defaults();

	bool load_libsnes_path = manage_libsnes_core();

	set_default_settings();
	init_settings(load_libsnes_path);

#if(CELL_SDK_VERSION > 0x340000)
	if (g_console.screenshots_enable)
	{
		cellSysmoduleLoadModule(CELL_SYSMODULE_SYSUTIL_SCREENSHOT);
		CellScreenShotSetParam screenshot_param = {0, 0, 0, 0};

		screenshot_param.photo_title = "SSNES PS3";
		screenshot_param.game_title = "SSNES PS3";
		cellScreenShotSetParameter (&screenshot_param);
		cellScreenShotEnable();
	}
	if (g_console.custom_bgm_enable)
		cellSysutilEnableBgmPlayback();
#endif

	ps3graphics_video_init(true);
	ps3_input_init();
	oskutil_init(&g_console.oskutil_handle, 0);

	ssnes_console_set_default_keybind_names_for_emulator();

	menu_init();

	switch(g_console.external_launcher_support)
	{
		case EXTERN_LAUNCHER_SALAMANDER:
			g_console.mode_switch = MODE_MENU;
			break;
		case EXTERN_LAUNCHER_MULTIMAN:
			SSNES_LOG("Started from multiMAN, will auto-start game.\n");
			strncpy(g_console.rom_path, argv[1], sizeof(g_console.rom_path));
			g_console.initialize_ssnes_enable = 1;
			g_console.mode_switch = MODE_EMULATION;
			startup_ssnes();
			break;
	}

begin_loop:
	if(g_console.mode_switch == MODE_EMULATION)
	{
		bool repeat = false;

		input_ps3.poll(NULL);

		do{
			repeat = ssnes_main_iterate();
		}while(repeat && !g_console.frame_advance_enable);
	}
	else if(g_console.mode_switch == MODE_MENU)
	{
		menu_loop();
		startup_ssnes();
	}
	else
		goto begin_shutdown;

	goto begin_loop;

begin_shutdown:
	if(path_file_exists(SYS_CONFIG_FILE))
		save_settings();
	if(g_console.emulator_initialized)
		ssnes_main_deinit();
	cell_pad_input_deinit();
	ps3_video_deinit();
	if(g_console.oskutil_handle.is_running)
		oskutil_unload(&g_console.oskutil_handle);
#ifdef HAVE_LOGGER
	logger_shutdown();
#endif

	if(g_console.screenshots_enable)
		cellSysmoduleUnloadModule(CELL_SYSMODULE_SYSUTIL_SCREENSHOT);
	cellSysmoduleUnloadModule(CELL_SYSMODULE_JPGDEC);
	cellSysmoduleUnloadModule(CELL_SYSMODULE_PNGDEC);
	cellSysmoduleUnloadModule(CELL_SYSMODULE_AVCONF_EXT);
	cellSysmoduleUnloadModule(CELL_SYSMODULE_SYSUTIL_GAME);

	int ret = cellSysCacheClear();

	if(ret != CELL_SYSCACHE_RET_OK_CLEARED)
	{
		SSNES_ERR("System cache partition could not be cleared on exit.\n");
	}

	if(g_console.return_to_launcher)
	{
		char spawn_data[256];
		for(unsigned int i = 0; i < sizeof(spawn_data); ++i)
			spawn_data[i] = i & 0xff;

		char spawn_data_size[16];
		sprintf(spawn_data_size, "%d", 256);

		const char * const spawn_argv[] = {
			spawn_data_size,
			"test argv for",
			"sceNpDrmProcessExitSpawn2()",
			NULL
		};

		SceNpDrmKey * k_licensee = NULL;
		int ret = sceNpDrmProcessExitSpawn2(k_licensee, g_console.launch_app_on_exit, (const char** const)spawn_argv, NULL, (sys_addr_t)spawn_data, 256, 1000, SYS_PROCESS_PRIMARY_STACK_SIZE_1M);
		SSNES_LOG("Attempt to load SELF: [%s] (return code: [%x]).\n", g_console.launch_app_on_exit, ret);
		if(ret <  0)
		{
			SSNES_WARN("SELF file is not of NPDRM type, trying another approach to boot it...\n");
			sys_game_process_exitspawn(g_console.launch_app_on_exit, NULL, NULL, NULL, 0, 1000, SYS_PROCESS_PRIMARY_STACK_SIZE_1M);
		}
		sceNpTerm();
		cellSysmoduleUnloadModule(CELL_SYSMODULE_SYSUTIL_NP);
		cellSysmoduleUnloadModule(CELL_SYSMODULE_NET);
	}
	return 1;
}