RetroArch/frontend/platform/platform_gx.c

392 lines
11 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
* Copyright (C) 2011-2013 - Daniel De Matteis
* Copyright (C) 2012 - Michael Lelli
*
* RetroArch 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.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include "../../driver.h"
#include "../../general.h"
#include "../../libretro.h"
#include "platform_inl.h"
#include "../../console/rarch_console.h"
#include "../../file.h"
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
#include "../../wii/mem2_manager.h"
#endif
#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <dirent.h>
#ifndef _DIRENT_HAVE_D_TYPE
#include <sys/stat.h>
#endif
#include <unistd.h>
#include <dirent.h>
#ifdef HW_RVL
#include <ogc/ios.h>
#include <ogc/usbstorage.h>
#include <sdcard/wiisd_io.h>
#endif
#include <sdcard/gcsd.h>
#include <fat.h>
#define MAKE_FILE(x) {\
if (!path_file_exists((x)))\
{\
RARCH_WARN("File \"%s\" does not exists, creating\n", (x));\
FILE *f = fopen((x), "wb");\
if (!f)\
{\
RARCH_ERR("Could not create file \"%s\"\n", (x));\
}\
fclose(f);\
}\
}
#define MAKE_DIR(x) {\
if (!path_is_directory((x)))\
{\
RARCH_WARN("Directory \"%s\" does not exists, creating\n", (x));\
if (mkdir((x), 0777) != 0)\
{\
RARCH_ERR("Could not create directory \"%s\"\n", (x));\
}\
}\
}
#ifdef IS_SALAMANDER
static void find_and_set_first_file(void)
{
//Last fallback - we'll need to start the first executable file
// we can find in the RetroArch cores directory
char first_file[512] = {0};
find_first_libretro_core(first_file, sizeof(first_file),
default_paths.core_dir, "dol");
if(first_file[0])
strlcpy(default_paths.libretro_path, first_file, sizeof(default_paths.libretro_path));
else
RARCH_ERR("Failed last fallback - RetroArch Salamander will exit.\n");
}
static void salamander_init_settings(void)
{
char tmp_str[512] = {0};
bool config_file_exists;
if(!path_file_exists(default_paths.config_path))
{
FILE * f;
config_file_exists = false;
RARCH_ERR("Config file \"%s\" doesn't exist. Creating...\n", default_paths.config_path);
MAKE_DIR(default_paths.port_dir);
f = fopen(default_paths.config_path, "w");
fclose(f);
}
else
config_file_exists = true;
//try to find CORE executable
char core_executable[1024];
snprintf(core_executable, sizeof(core_executable), "%s/CORE.dol", default_paths.core_dir);
if(path_file_exists(core_executable))
{
//Start CORE executable
snprintf(default_paths.libretro_path, sizeof(default_paths.libretro_path), core_executable);
RARCH_LOG("Start [%s].\n", default_paths.libretro_path);
}
else
{
if(config_file_exists)
{
config_file_t * conf = config_file_new(default_paths.config_path);
config_get_array(conf, "libretro_path", tmp_str, sizeof(tmp_str));
config_file_free(conf);
snprintf(default_paths.libretro_path, sizeof(default_paths.libretro_path), tmp_str);
}
if(!config_file_exists || !strcmp(default_paths.libretro_path, ""))
find_and_set_first_file();
else
{
RARCH_LOG("Start [%s] found in retroarch.cfg.\n", default_paths.libretro_path);
}
if (!config_file_exists)
{
config_file_t *new_conf = config_file_new(NULL);
config_set_string(new_conf, "libretro_path", default_paths.libretro_path);
config_file_write(new_conf, default_paths.config_path);
config_file_free(new_conf);
}
}
}
#else
enum
{
GX_DEVICE_SD = 0,
GX_DEVICE_USB,
GX_DEVICE_END
};
rgui_handle_t *rgui;
char input_path[1024];
#if defined(HAVE_LOGGER) || defined(HAVE_FILE_LOGGER)
static devoptab_t dotab_stdout = {
"stdout", // device name
0, // size of file structure
NULL, // device open
NULL, // device close
NULL, // device write
NULL, // device read
NULL, // device seek
NULL, // device fstat
NULL, // device stat
NULL, // device link
NULL, // device unlink
NULL, // device chdir
NULL, // device rename
NULL, // device mkdir
0, // dirStateSize
NULL, // device diropen_r
NULL, // device dirreset_r
NULL, // device dirnext_r
NULL, // device dirclose_r
NULL, // device statvfs_r
NULL, // device ftrunctate_r
NULL, // device fsync_r
NULL, // deviceData;
};
#endif
#ifdef HW_RVL
static struct {
bool mounted;
const DISC_INTERFACE *interface;
const char *name;
} gx_devices[GX_DEVICE_END];
static mutex_t gx_device_mutex;
static void *gx_devthread(void *a)
{
while (1)
{
LWP_MutexLock(gx_device_mutex);
unsigned i;
for (i = 0; i < GX_DEVICE_END; i++)
{
if (gx_devices[i].mounted && !gx_devices[i].interface->isInserted())
{
gx_devices[i].mounted = false;
char n[8];
snprintf(n, sizeof(n), "%s:", gx_devices[i].name);
fatUnmount(n);
}
}
LWP_MutexUnlock(gx_device_mutex);
usleep(100000);
}
return NULL;
}
static int gx_get_device_from_path(const char *path)
{
if (strstr(path, "sd:") == path)
return GX_DEVICE_SD;
if (strstr(path, "usb:") == path)
return GX_DEVICE_USB;
return -1;
}
#endif
#ifdef HAVE_LOGGER
int gx_logger_net(struct _reent *r, int fd, const char *ptr, size_t len)
{
static char temp[4000];
size_t l = len >= 4000 ? 3999 : len;
memcpy(temp, ptr, l);
temp[l] = 0;
logger_send("%s", temp);
return len;
}
#elif defined(HAVE_FILE_LOGGER)
int gx_logger_file(struct _reent *r, int fd, const char *ptr, size_t len)
{
fwrite(ptr, 1, len, g_extern.log_file);
return len;
}
#endif
#endif
static void get_environment_settings(int argc, char *argv[])
{
(void)argc;
(void)argv;
#ifdef HW_DOL
chdir("carda:/retroarch");
#endif
getcwd(default_paths.core_dir, MAXPATHLEN);
char *last_slash = strrchr(default_paths.core_dir, '/');
if (last_slash)
*last_slash = 0;
char *device_end = strchr(default_paths.core_dir, '/');
if (device_end)
snprintf(default_paths.port_dir, sizeof(default_paths.port_dir), "%.*s/retroarch", device_end - default_paths.core_dir, default_paths.core_dir);
else
strlcpy(default_paths.port_dir, "/retroarch", sizeof(default_paths.port_dir));
#ifdef IS_SALAMANDER
snprintf(default_paths.config_path, sizeof(default_paths.config_path), "%s/retroarch.cfg", default_paths.port_dir);
#else
snprintf(g_extern.config_path, sizeof(g_extern.config_path), "%s/retroarch.cfg", default_paths.port_dir);
#endif
snprintf(default_paths.system_dir, sizeof(default_paths.system_dir), "%s/system", default_paths.port_dir);
snprintf(default_paths.savestate_dir, sizeof(default_paths.savestate_dir), "%s/savestates", default_paths.port_dir);
strlcpy(default_paths.filesystem_root_dir, "/", sizeof(default_paths.filesystem_root_dir));
snprintf(default_paths.filebrowser_startup_dir, sizeof(default_paths.filebrowser_startup_dir), default_paths.filesystem_root_dir);
snprintf(default_paths.sram_dir, sizeof(default_paths.sram_dir), "%s/sram", default_paths.port_dir);
snprintf(default_paths.input_presets_dir, sizeof(default_paths.input_presets_dir), "%s/input", default_paths.port_dir);
strlcpy(default_paths.executable_extension, ".dol", sizeof(default_paths.executable_extension));
strlcpy(default_paths.salamander_file, "boot.dol", sizeof(default_paths.salamander_file));
#ifndef IS_SALAMANDER
MAKE_DIR(default_paths.port_dir);
MAKE_DIR(default_paths.system_dir);
MAKE_DIR(default_paths.savestate_dir);
MAKE_DIR(default_paths.sram_dir);
MAKE_DIR(default_paths.input_presets_dir);
MAKE_FILE(g_extern.config_path);
#endif
}
extern void __exception_setreload(int t);
static void system_init(void)
{
#ifdef HW_RVL
IOS_ReloadIOS(IOS_GetVersion());
L2Enhance();
#ifndef IS_SALAMANDER
gx_init_mem2();
#endif
#endif
#ifndef DEBUG
__exception_setreload(8);
#endif
fatInitDefault();
#ifdef HAVE_LOGGER
inl_logger_init();
devoptab_list[STD_OUT] = &dotab_stdout;
devoptab_list[STD_ERR] = &dotab_stdout;
dotab_stdout.write_r = gx_logger_net;
#elif defined(HAVE_FILE_LOGGER)
inl_logger_init();
#ifndef IS_SALAMANDER
devoptab_list[STD_OUT] = &dotab_stdout;
devoptab_list[STD_ERR] = &dotab_stdout;
dotab_stdout.write_r = gx_logger_file;
#endif
#endif
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
lwp_t gx_device_thread;
gx_devices[GX_DEVICE_SD].interface = &__io_wiisd;
gx_devices[GX_DEVICE_SD].name = "sd";
gx_devices[GX_DEVICE_SD].mounted = fatMountSimple(gx_devices[GX_DEVICE_SD].name, gx_devices[GX_DEVICE_SD].interface);
gx_devices[GX_DEVICE_USB].interface = &__io_usbstorage;
gx_devices[GX_DEVICE_USB].name = "usb";
gx_devices[GX_DEVICE_USB].mounted = fatMountSimple(gx_devices[GX_DEVICE_USB].name, gx_devices[GX_DEVICE_USB].interface);
LWP_MutexInit(&gx_device_mutex, false);
LWP_CreateThread(&gx_device_thread, gx_devthread, NULL, NULL, 0, 66);
#endif
}
static void system_exitspawn(void)
{
#ifdef IS_SALAMANDER
rarch_console_exec(default_paths.libretro_path);
#else
rarch_console_exec(g_settings.libretro);
#endif
}
static void system_deinit(void)
{
#if defined(HAVE_LOGGER) || defined(HAVE_FILE_LOGGER)
inl_logger_deinit();
#endif
}
#ifndef IS_SALAMANDER
static void system_post_init(void)
{
char core_name[64];
get_libretro_core_name(core_name, sizeof(core_name));
snprintf(input_path, sizeof(input_path), "%s/%s.cfg", default_paths.input_presets_dir, core_name);
config_read_keybinds(input_path);
}
static void system_deinit_save(void)
{
config_save_keybinds(input_path);
}
static void system_process_args(int argc, char *argv[])
{
if (argc > 2 && argv[1] != NULL && argv[2] != NULL)
{
char rom[PATH_MAX];
g_extern.lifecycle_mode_state &= ~((1ULL << MODE_UNZIP_TO_CURDIR) |
(1ULL << MODE_UNZIP_TO_CURDIR_AND_LOAD_FIRST_FILE) | (1ULL << MODE_UNZIP_TO_CACHEDIR));
g_extern.lifecycle_mode_state |= (1ULL << MODE_EXTLAUNCH_CHANNEL);
g_extern.lifecycle_mode_state |= (1ULL << MODE_UNZIP_TO_CURDIR_AND_LOAD_FIRST_FILE);
snprintf(rom, sizeof(rom), "%s%s", argv[1], argv[2]);
console_load_game(rom);
rgui_iterate(rgui, RGUI_ACTION_MESSAGE);
g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU_DRAW);
rarch_render_cached_frame();
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_MENU_DRAW);
g_extern.lifecycle_mode_state &= ~(1ULL << MODE_MENU);
g_extern.lifecycle_mode_state |= (1ULL << MODE_INIT);
}
else
g_extern.lifecycle_mode_state |= (1ULL << MODE_EXTLAUNCH_SALAMANDER);
}
#endif