mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-22 18:58:21 +00:00
370 lines
11 KiB
C
370 lines
11 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - Daniel De Matteis
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* Copyright (C) 2012-2013 - Michael Lelli
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include "../../driver.h"
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#include "../../general.h"
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#include "../../libretro.h"
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#include "../../console/rarch_console.h"
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#include "../../file.h"
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#if defined(HW_RVL) && !defined(IS_SALAMANDER)
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#include "../../wii/mem2_manager.h"
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#endif
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <dirent.h>
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#ifndef _DIRENT_HAVE_D_TYPE
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#include <sys/stat.h>
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#endif
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#include <unistd.h>
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#include <dirent.h>
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#ifdef HW_RVL
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#include <ogc/ios.h>
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#include <ogc/usbstorage.h>
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#include <sdcard/wiisd_io.h>
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#endif
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#include <sdcard/gcsd.h>
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#include <fat.h>
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#define MAKE_FILE(x) {\
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if (!path_file_exists((x)))\
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{\
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RARCH_WARN("File \"%s\" does not exists, creating\n", (x));\
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FILE *f = fopen((x), "wb");\
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if (!f)\
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{\
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RARCH_ERR("Could not create file \"%s\"\n", (x));\
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}\
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fclose(f);\
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}\
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}
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#ifdef IS_SALAMANDER
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static void find_and_set_first_file(void)
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{
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//Last fallback - we'll need to start the first executable file
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// we can find in the RetroArch cores directory
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char first_file[512] = {0};
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find_first_libretro_core(first_file, sizeof(first_file),
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default_paths.core_dir, "dol");
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if(first_file[0])
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strlcpy(default_paths.libretro_path, first_file, sizeof(default_paths.libretro_path));
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else
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RARCH_ERR("Failed last fallback - RetroArch Salamander will exit.\n");
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}
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static void salamander_init_settings(void)
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{
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char tmp_str[512] = {0};
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bool config_file_exists;
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if (path_file_exists(default_paths.config_path))
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config_file_exists = true;
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//try to find CORE executable
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char core_executable[1024];
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snprintf(core_executable, sizeof(core_executable), "%s/CORE.dol", default_paths.core_dir);
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if(path_file_exists(core_executable))
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{
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//Start CORE executable
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snprintf(default_paths.libretro_path, sizeof(default_paths.libretro_path), core_executable);
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RARCH_LOG("Start [%s].\n", default_paths.libretro_path);
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}
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else
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{
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if(config_file_exists)
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{
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config_file_t * conf = config_file_new(default_paths.config_path);
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if (!conf) // stupid libfat bug or something; somtimes it says the file is there when it doesn't
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config_file_exists = false;
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else
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{
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config_get_array(conf, "libretro_path", tmp_str, sizeof(tmp_str));
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config_file_free(conf);
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snprintf(default_paths.libretro_path, sizeof(default_paths.libretro_path), tmp_str);
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}
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}
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if(!config_file_exists || !strcmp(default_paths.libretro_path, ""))
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find_and_set_first_file();
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else
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{
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RARCH_LOG("Start [%s] found in retroarch.cfg.\n", default_paths.libretro_path);
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}
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if (!config_file_exists)
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{
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config_file_t *new_conf = config_file_new(NULL);
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config_set_string(new_conf, "libretro_path", default_paths.libretro_path);
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config_file_write(new_conf, default_paths.config_path);
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config_file_free(new_conf);
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}
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}
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}
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#else
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enum
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{
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GX_DEVICE_SD = 0,
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GX_DEVICE_USB,
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GX_DEVICE_END
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};
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#if defined(HAVE_LOGGER) || defined(HAVE_FILE_LOGGER)
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static devoptab_t dotab_stdout = {
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"stdout", // device name
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0, // size of file structure
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NULL, // device open
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NULL, // device close
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NULL, // device write
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NULL, // device read
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NULL, // device seek
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NULL, // device fstat
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NULL, // device stat
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NULL, // device link
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NULL, // device unlink
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NULL, // device chdir
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NULL, // device rename
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NULL, // device mkdir
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0, // dirStateSize
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NULL, // device diropen_r
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NULL, // device dirreset_r
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NULL, // device dirnext_r
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NULL, // device dirclose_r
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NULL, // device statvfs_r
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NULL, // device ftrunctate_r
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NULL, // device fsync_r
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NULL, // deviceData;
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};
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#endif
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#ifdef HW_RVL
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static struct {
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bool mounted;
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const DISC_INTERFACE *interface;
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const char *name;
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} gx_devices[GX_DEVICE_END];
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static mutex_t gx_device_mutex;
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static void *gx_devthread(void *a)
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{
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while (1)
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{
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LWP_MutexLock(gx_device_mutex);
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unsigned i;
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for (i = 0; i < GX_DEVICE_END; i++)
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{
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if (gx_devices[i].mounted && !gx_devices[i].interface->isInserted())
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{
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gx_devices[i].mounted = false;
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char n[8];
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snprintf(n, sizeof(n), "%s:", gx_devices[i].name);
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fatUnmount(n);
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}
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}
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LWP_MutexUnlock(gx_device_mutex);
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usleep(100000);
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}
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return NULL;
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}
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static int gx_get_device_from_path(const char *path)
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{
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if (strstr(path, "sd:") == path)
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return GX_DEVICE_SD;
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if (strstr(path, "usb:") == path)
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return GX_DEVICE_USB;
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return -1;
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}
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#endif
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#ifdef HAVE_LOGGER
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int gx_logger_net(struct _reent *r, int fd, const char *ptr, size_t len)
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{
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static char temp[4000];
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size_t l = len >= 4000 ? 3999 : len;
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memcpy(temp, ptr, l);
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temp[l] = 0;
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logger_send("%s", temp);
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return len;
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}
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#elif defined(HAVE_FILE_LOGGER)
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int gx_logger_file(struct _reent *r, int fd, const char *ptr, size_t len)
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{
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fwrite(ptr, 1, len, g_extern.log_file);
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return len;
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}
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#endif
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#endif
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#ifdef IS_SALAMANDER
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extern char gx_rom_path[PATH_MAX];
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#endif
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static void get_environment_settings(int argc, char *argv[])
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{
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(void)argc;
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(void)argv;
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#ifdef HW_DOL
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chdir("carda:/retroarch");
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#endif
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getcwd(default_paths.core_dir, MAXPATHLEN);
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char *last_slash = strrchr(default_paths.core_dir, '/');
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if (last_slash)
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*last_slash = 0;
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char *device_end = strchr(default_paths.core_dir, '/');
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if (device_end)
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snprintf(default_paths.port_dir, sizeof(default_paths.port_dir), "%.*s/retroarch", device_end - default_paths.core_dir, default_paths.core_dir);
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else
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strlcpy(default_paths.port_dir, "/retroarch", sizeof(default_paths.port_dir));
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#ifdef IS_SALAMANDER
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snprintf(default_paths.config_path, sizeof(default_paths.config_path), "%s/retroarch.cfg", default_paths.port_dir);
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#else
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snprintf(g_extern.config_path, sizeof(g_extern.config_path), "%s/retroarch.cfg", default_paths.port_dir);
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#endif
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snprintf(default_paths.system_dir, sizeof(default_paths.system_dir), "%s/system", default_paths.port_dir);
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snprintf(default_paths.sram_dir, sizeof(default_paths.savestate_dir), "%s/savefiles", default_paths.port_dir);
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snprintf(default_paths.savestate_dir, sizeof(default_paths.savestate_dir), "%s/savestates", default_paths.port_dir);
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strlcpy(default_paths.filesystem_root_dir, "/", sizeof(default_paths.filesystem_root_dir));
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snprintf(default_paths.filebrowser_startup_dir, sizeof(default_paths.filebrowser_startup_dir), default_paths.filesystem_root_dir);
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snprintf(default_paths.input_presets_dir, sizeof(default_paths.input_presets_dir), "%s/input", default_paths.port_dir);
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#ifdef IS_SALAMANDER
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if (argc > 2 && argv[1] != NULL && argv[2] != NULL)
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snprintf(gx_rom_path, sizeof(gx_rom_path),
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"%s%s", argv[1], argv[2]);
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else
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gx_rom_path[0] = '\0';
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#endif
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}
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extern void __exception_setreload(int t);
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static void system_init(void)
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{
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#ifdef HW_RVL
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IOS_ReloadIOS(IOS_GetVersion());
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L2Enhance();
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#ifndef IS_SALAMANDER
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gx_init_mem2();
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#endif
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#endif
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#ifndef DEBUG
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__exception_setreload(8);
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#endif
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fatInitDefault();
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#ifdef HAVE_LOGGER
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devoptab_list[STD_OUT] = &dotab_stdout;
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devoptab_list[STD_ERR] = &dotab_stdout;
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dotab_stdout.write_r = gx_logger_net;
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#elif defined(HAVE_FILE_LOGGER) && !defined(IS_SALAMANDER)
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devoptab_list[STD_OUT] = &dotab_stdout;
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devoptab_list[STD_ERR] = &dotab_stdout;
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dotab_stdout.write_r = gx_logger_file;
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#endif
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#if defined(HW_RVL) && !defined(IS_SALAMANDER)
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lwp_t gx_device_thread;
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gx_devices[GX_DEVICE_SD].interface = &__io_wiisd;
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gx_devices[GX_DEVICE_SD].name = "sd";
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gx_devices[GX_DEVICE_SD].mounted = fatMountSimple(gx_devices[GX_DEVICE_SD].name, gx_devices[GX_DEVICE_SD].interface);
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gx_devices[GX_DEVICE_USB].interface = &__io_usbstorage;
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gx_devices[GX_DEVICE_USB].name = "usb";
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gx_devices[GX_DEVICE_USB].mounted = fatMountSimple(gx_devices[GX_DEVICE_USB].name, gx_devices[GX_DEVICE_USB].interface);
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LWP_MutexInit(&gx_device_mutex, false);
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LWP_CreateThread(&gx_device_thread, gx_devthread, NULL, NULL, 0, 66);
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#endif
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}
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static void system_exitspawn(void)
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{
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#if defined(IS_SALAMANDER)
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rarch_console_exec(default_paths.libretro_path, gx_rom_path[0] != '\0' ? true : false);
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#elif defined(HW_RVL)
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bool should_load_game = false;
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if (g_extern.lifecycle_mode_state & (1ULL << MODE_EXITSPAWN_START_GAME))
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should_load_game = true;
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rarch_console_exec(g_settings.libretro, should_load_game);
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// direct loading failed (out of memory), try to jump to salamander then load the correct core
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char boot_dol[PATH_MAX];
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snprintf(boot_dol, sizeof(boot_dol), "%s/boot.dol", default_paths.core_dir);
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rarch_console_exec(boot_dol, should_load_game);
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#endif
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}
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static void system_deinit(void)
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{
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#ifndef IS_SALAMANDER
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// we never init GX/VIDEO subsystems in salamander
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GX_DrawDone();
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GX_AbortFrame();
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GX_Flush();
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VIDEO_SetBlack(true);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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#endif
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}
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static int system_process_args(int argc, char *argv[])
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{
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int ret = 0;
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#ifndef IS_SALAMANDER
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// a big hack: sometimes salamander doesn't save the new core it loads on first boot,
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// so we make sure g_settings.libretro is set here
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if (!g_settings.libretro[0] && argc >= 1 && strrchr(argv[0], '/'))
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strlcpy(g_settings.libretro, strrchr(argv[0], '/') + 1, sizeof(g_settings.libretro));
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if (argc > 2 && argv[1] != NULL && argv[2] != NULL)
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{
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snprintf(g_extern.fullpath, sizeof(g_extern.fullpath),
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"%s%s", argv[1], argv[2]);
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ret = 1;
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}
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#endif
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return ret;
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}
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const frontend_ctx_driver_t frontend_ctx_gx = {
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get_environment_settings,
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system_init,
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system_deinit,
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system_exitspawn,
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system_process_args,
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"gx",
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};
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