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RetroArch/frontend/drivers/platform_gx.c
twinaphex 8a77ac1f04 (GX) Should not be used for Salamander
2016-05-05 18:23:18 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - 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 <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
#include <ogc/mutex.h>
#include <ogc/cond.h>
#include "../../memory/wii/mem2_manager.h"
#endif
#include <boolean.h>
#include <file/file_path.h>
#ifndef IS_SALAMANDER
#include <lists/file_list.h>
#endif
#include <string/stdstring.h>
#include "../frontend_driver.h"
#include "../../defaults.h"
#ifdef HW_RVL
#include <ogc/ios.h>
#include <ogc/usbstorage.h>
#include <sdcard/wiisd_io.h>
extern void system_exec_wii(const char *path, bool should_load_game);
#endif
#include <sdcard/gcsd.h>
#include <fat.h>
#include <rthreads/rthreads.h>
#ifdef USBGECKO
#include <debug.h>
#endif
#if defined(HW_RVL) && ! defined(IS_SALAMANDER)
static enum frontend_fork gx_fork_mode = FRONTEND_FORK_NONE;
#endif
#ifndef IS_SALAMANDER
enum
{
GX_DEVICE_SD = 0,
GX_DEVICE_USB,
GX_DEVICE_END
};
#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 slock_t *gx_device_mutex;
static slock_t *gx_device_cond_mutex;
static scond_t *gx_device_cond;
static sthread_t *gx_device_thread;
static volatile bool gx_stop_dev_thread;
static void gx_devthread(void *a)
{
unsigned i;
while (!gx_stop_dev_thread)
{
slock_lock(gx_device_mutex);
for (i = 0; i < GX_DEVICE_END; i++)
{
if (gx_devices[i].mounted)
{
if (!gx_devices[i].interface->isInserted())
{
char n[8];
gx_devices[i].mounted = false;
snprintf(n, sizeof(n), "%s:", gx_devices[i].name);
fatUnmount(n);
}
}
else if (gx_devices[i].interface->startup() && gx_devices[i].interface->isInserted())
gx_devices[i].mounted = fatMountSimple(gx_devices[i].name, gx_devices[i].interface);
}
slock_unlock(gx_device_mutex);
slock_lock(gx_device_cond_mutex);
scond_wait_timeout(gx_device_cond, gx_device_cond_mutex, 1000000);
slock_unlock(gx_device_cond_mutex);
}
}
#endif
#ifdef HAVE_LOGGER
static int gx_logger_net(struct _reent *r, int fd, const char *ptr, size_t len)
{
#ifdef HAVE_LOGGER
static char temp[4000];
size_t l = (len >= 4000) ? 3999 : len - 1;
memcpy(temp, ptr, l);
temp[l] = 0;
logger_send("%s", temp);
#elif defined(HAVE_FILE_LOGGER)
fwrite(ptr, 1, len, retro_main_log_file());
#endif
return len;
}
#endif
#endif
#ifdef IS_SALAMANDER
extern char gx_rom_path[PATH_MAX_LENGTH];
#endif
static void frontend_gx_get_environment_settings(
int *argc, char *argv[],
void *args, void *params_data)
{
#ifndef IS_SALAMANDER
#if defined(HAVE_LOGGER)
logger_init();
#elif defined(HAVE_FILE_LOGGER)
retro_main_log_file_init("/retroarch-log.txt");
#endif
/* This situation can happen on some loaders so we really need some
fake args or else retroarch will just crash on parsing NULL pointers */
if(*argc == 0 || argv == NULL)
{
struct rarch_main_wrap *args = (struct rarch_main_wrap*)params_data;
if (args)
{
args->touched = true;
args->no_content = false;
args->verbose = false;
args->config_path = NULL;
args->sram_path = NULL;
args->state_path = NULL;
args->content_path = NULL;
args->libretro_path = NULL;
}
}
#endif
#ifdef HW_DOL
chdir("carda:/retroarch");
#endif
getcwd(g_defaults.dir.core, MAXPATHLEN);
char *last_slash = strrchr(g_defaults.dir.core, '/');
if (last_slash)
*last_slash = 0;
char *device_end = strchr(g_defaults.dir.core, '/');
if (device_end)
snprintf(g_defaults.dir.port, sizeof(g_defaults.dir.port),
"%.*s/retroarch", device_end - g_defaults.dir.core,
g_defaults.dir.core);
else
fill_pathname_join(g_defaults.dir.port, g_defaults.dir.port,
"retroarch", sizeof(g_defaults.dir.port));
fill_pathname_join(g_defaults.dir.overlay, g_defaults.dir.core,
"overlays", sizeof(g_defaults.dir.overlay));
fill_pathname_join(g_defaults.path.config, g_defaults.dir.port,
"retroarch.cfg", sizeof(g_defaults.path.config));
fill_pathname_join(g_defaults.dir.system, g_defaults.dir.port,
"system", sizeof(g_defaults.dir.system));
fill_pathname_join(g_defaults.dir.sram, g_defaults.dir.port,
"savefiles", sizeof(g_defaults.dir.sram));
fill_pathname_join(g_defaults.dir.savestate, g_defaults.dir.port,
"savefiles", sizeof(g_defaults.dir.savestate));
fill_pathname_join(g_defaults.dir.playlist, g_defaults.dir.port,
"playlists", sizeof(g_defaults.dir.playlist));
#ifdef IS_SALAMANDER
if (*argc > 2 && argv[1] != NULL && argv[2] != NULL)
fill_pathname_join(gx_rom_path, argv[1], argv[2], sizeof(gx_rom_path));
else
gx_rom_path[0] = '\0';
#else
#ifdef HW_RVL
/* needed on Wii; loaders follow a dumb standard where the path and
* filename are separate in the argument list */
if (*argc > 2 && argv[1] != NULL && argv[2] != NULL)
{
static char path[PATH_MAX_LENGTH];
*path = '\0';
struct rarch_main_wrap *args = (struct rarch_main_wrap*)params_data;
if (args)
{
fill_pathname_join(path, argv[1], argv[2], sizeof(path));
args->touched = true;
args->no_content = false;
args->verbose = false;
args->config_path = NULL;
args->sram_path = NULL;
args->state_path = NULL;
args->content_path = path;
args->libretro_path = NULL;
}
}
#endif
#endif
}
extern void __exception_setreload(int t);
static void frontend_gx_init(void *data)
{
(void)data;
#ifdef HW_RVL
IOS_ReloadIOS(IOS_GetVersion());
L2Enhance();
#ifndef IS_SALAMANDER
gx_init_mem2();
#endif
#endif
#ifdef USBGECKO
DEBUG_Init(GDBSTUB_DEVICE_USB, 1);
_break();
#endif
#if defined(DEBUG) && defined(IS_SALAMANDER)
VIInit();
GXRModeObj *rmode = VIDEO_GetPreferredMode(NULL);
void *xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
console_init(xfb, 20, 20, rmode->fbWidth,
rmode->xfbHeight, rmode->fbWidth * VI_DISPLAY_PIX_SZ);
VIConfigure(rmode);
VISetNextFramebuffer(xfb);
VISetBlack(FALSE);
VIFlush();
VIWaitForRetrace();
VIWaitForRetrace();
#endif
#ifndef DEBUG
__exception_setreload(8);
#endif
fatInitDefault();
#ifdef HAVE_LOGGER
devoptab_list[STD_OUT] = &dotab_stdout;
devoptab_list[STD_ERR] = &dotab_stdout;
dotab_stdout.write_r = gx_logger_net;
#elif defined(HAVE_FILE_LOGGER) && !defined(IS_SALAMANDER)
devoptab_list[STD_OUT] = &dotab_stdout;
devoptab_list[STD_ERR] = &dotab_stdout;
dotab_stdout.write_r = gx_logger_file;
#endif
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
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);
gx_device_cond_mutex = slock_new();
gx_device_cond = scond_new();
gx_device_mutex = slock_new();
gx_device_thread = sthread_create(gx_devthread, NULL);
#endif
}
static void frontend_gx_deinit(void *data)
{
(void)data;
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
slock_lock(gx_device_cond_mutex);
gx_stop_dev_thread = true;
slock_unlock(gx_device_cond_mutex);
scond_signal(gx_device_cond);
sthread_join(gx_device_thread);
#endif
}
static void frontend_gx_exec(const char *path, bool should_load_game)
{
#ifdef HW_RVL
system_exec_wii(path, should_load_game);
#endif
}
static void frontend_gx_exitspawn(char *s, size_t len)
{
bool should_load_game = false;
#if defined(IS_SALAMANDER)
if (!string_is_empty(gx_rom_path))
should_load_game = true;
#elif defined(HW_RVL)
char salamander_basename[PATH_MAX_LENGTH];
if (gx_fork_mode == FRONTEND_FORK_NONE)
return;
switch (gx_fork_mode)
{
case FRONTEND_FORK_CORE_WITH_ARGS:
should_load_game = true;
break;
case FRONTEND_FORK_CORE:
/* fall-through */
case FRONTEND_FORK_RESTART:
{
char new_path[PATH_MAX_LENGTH];
char salamander_name[PATH_MAX_LENGTH];
if (frontend_driver_get_salamander_basename(salamander_name,
sizeof(salamander_name)))
{
fill_pathname_join(new_path, g_defaults.dir.core,
salamander_name, sizeof(new_path));
runloop_ctl(RUNLOOP_CTL_SET_CONTENT_PATH, new_path);
}
}
break;
case FRONTEND_FORK_NONE:
default:
break;
}
frontend_gx_exec(s, should_load_game);
frontend_driver_get_salamander_basename(salamander_basename,
sizeof(salamander_basename));
/* FIXME/TODO - hack
* direct loading failed (out of memory),
* try to jump to Salamander,
* then load the correct core */
fill_pathname_join(s, g_defaults.dir.core,
salamander_basename, len);
#endif
frontend_gx_exec(s, should_load_game);
}
static void frontend_gx_process_args(int *argc, char *argv[])
{
#ifndef IS_SALAMANDER
char path[PATH_MAX_LENGTH];
settings_t *settings = config_get_ptr();
/* A big hack: sometimes Salamander doesn't save the new core
* it loads on first boot, so we make sure
* settings->path.libretro is set here. */
if (!settings->path.libretro[0] && *argc >= 1 && strrchr(argv[0], '/'))
{
strlcpy(path, strrchr(argv[0], '/') + 1, sizeof(path));
if (path_file_exists(path))
runloop_ctl(RUNLOOP_CTL_SET_LIBRETRO_PATH, path);
}
#endif
}
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
static bool frontend_gx_set_fork(enum frontend_fork fork_mode)
{
switch (fork_mode)
{
case FRONTEND_FORK_CORE:
RARCH_LOG("FRONTEND_FORK_CORE\n");
gx_fork_mode = fork_mode;
break;
case FRONTEND_FORK_CORE_WITH_ARGS:
RARCH_LOG("FRONTEND_FORK_CORE_WITH_ARGS\n");
gx_fork_mode = fork_mode;
break;
case FRONTEND_FORK_RESTART:
RARCH_LOG("FRONTEND_FORK_RESTART\n");
gx_fork_mode = fork_mode;
rarch_ctl(RARCH_CTL_FORCE_QUIT, NULL);
break;
case FRONTEND_FORK_NONE:
default:
return false;
}
return true;
}
#endif
static int frontend_gx_get_rating(void)
{
#ifdef HW_RVL
return 8;
#else
return 6;
#endif
}
static enum frontend_architecture frontend_gx_get_architecture(void)
{
return FRONTEND_ARCH_PPC;
}
static int frontend_gx_parse_drive_list(void *data)
{
#ifndef IS_SALAMANDER
file_list_t *list = (file_list_t*)data;
#ifdef HW_RVL
menu_entries_add(list,
"sd:/", "", MENU_FILE_DIRECTORY, 0, 0);
menu_entries_add(list,
"usb:/", "", MENU_FILE_DIRECTORY, 0, 0);
#endif
menu_entries_add(list,
"carda:/", "", MENU_FILE_DIRECTORY, 0, 0);
menu_entries_add(list,
"cardb:/", "", MENU_FILE_DIRECTORY, 0, 0);
#endif
return 0;
}
static void frontend_gx_shutdown(bool unused)
{
#ifndef IS_SALAMANDER
exit(0);
#endif
}
frontend_ctx_driver_t frontend_ctx_gx = {
frontend_gx_get_environment_settings,
frontend_gx_init,
frontend_gx_deinit,
frontend_gx_exitspawn,
frontend_gx_process_args,
frontend_gx_exec,
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
frontend_gx_set_fork,
#else
NULL,
#endif
frontend_gx_shutdown,
NULL, /* get_name */
NULL, /* get_os */
frontend_gx_get_rating,
NULL, /* load_content */
frontend_gx_get_architecture,
NULL, /* get_powerstate */
frontend_gx_parse_drive_list,
"gx",
};
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