RetroArch/frontend/drivers/platform_gx.c
2024-09-09 16:01:29 +02:00

614 lines
19 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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>
#include <unistd.h>
#include <sys/iosupport.h>
#include <gccore.h>
#include <ogcsys.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include <sdcard/gcsd.h>
#include <fat.h>
#include <rthreads/rthreads.h>
#include <boolean.h>
#include <compat/strl.h>
#include <file/file_path.h>
#ifndef IS_SALAMANDER
#include <lists/file_list.h>
#endif
#include <string/stdstring.h>
#include <streams/file_stream.h>
#include <defines/gx_defines.h>
#include "../frontend_driver.h"
#include "../../command.h"
#include "../../defaults.h"
#include "../../msg_hash.h"
#include "../../retroarch_types.h"
#include "../../verbosity.h"
#if !defined(IS_SALAMANDER)
#include "../../paths.h"
#include "../../menu/menu_entries.h"
#if defined(HW_RVL)
#include "../../memory/wii/mem2_manager.h"
#endif
#endif
#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
#ifdef USBGECKO
#include <debug.h>
#endif
#if defined(HW_RVL) && ! defined(IS_SALAMANDER)
static enum frontend_fork gx_fork_mode = FRONTEND_FORK_NONE;
#endif
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; */
};
#ifndef IS_SALAMANDER
enum
{
GX_DEVICE_SD = 0,
GX_DEVICE_USB,
GX_DEVICE_END
};
#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 = NULL;
static slock_t *gx_device_cond_mutex = NULL;
static scond_t *gx_device_cond = NULL;
static sthread_t *gx_device_thread = NULL;
static volatile bool gx_stop_dev_thread = false;
static void gx_devthread(void *a)
{
int i;
slock_lock(gx_device_cond_mutex);
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())
{
size_t _len;
char n[8];
gx_devices[i].mounted = false;
_len = strlcpy(n, gx_devices[i].name, sizeof(n));
strlcpy(n + _len, ":", sizeof(n) - _len);
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);
scond_wait_timeout(gx_device_cond, gx_device_cond_mutex, 1000000);
}
slock_unlock(gx_device_cond_mutex);
}
#endif
#endif
#ifdef IS_SALAMANDER
extern char gx_rom_path[PATH_MAX_LENGTH];
#endif
static void frontend_gx_get_env(int *argc, char *argv[],
void *args, void *params_data)
{
char *slash;
#ifndef IS_SALAMANDER
struct rarch_main_wrap *params = (struct rarch_main_wrap*)params_data;
#endif
#ifdef HW_DOL
chdir("carda:/retroarch");
#endif
getcwd(g_defaults.dirs[DEFAULT_DIR_CORE],
sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
#ifndef IS_SALAMANDER
#ifdef HAVE_LOGGER
logger_init();
#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)
{
if (params)
{
params->content_path = NULL;
params->sram_path = NULL;
params->state_path = NULL;
params->config_path = NULL;
params->libretro_path = NULL;
params->flags &= ~(RARCH_MAIN_WRAP_FLAG_VERBOSE
| RARCH_MAIN_WRAP_FLAG_NO_CONTENT);
params->flags |= RARCH_MAIN_WRAP_FLAG_TOUCHED;
}
}
#ifdef HW_RVL
else if (*argc > 2 &&
!string_is_empty(argv[1]) && !string_is_empty(argv[2]))
{
#ifdef HAVE_NETWORKING
/* If the process was forked for netplay purposes,
DO NOT touch the arguments. */
if (!string_is_equal(argv[1], "-H") && !string_is_equal(argv[1], "-C"))
#endif
{
/* When using external loaders (Wiiflow, etc),
getcwd doesn't return the path correctly and as a result,
the cfg file is not found. */
if ( string_starts_with_size(argv[0], "usb1", STRLEN_CONST("usb1"))
|| string_starts_with_size(argv[0], "usb2", STRLEN_CONST("usb2")))
{
size_t _len = strlcpy(g_defaults.dirs[DEFAULT_DIR_CORE], "usb",
sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
strlcpy(g_defaults.dirs[DEFAULT_DIR_CORE] + _len,
argv[0] + 4,
sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]) - _len);
}
/* Needed on Wii; loaders follow a dumb standard where the path and
filename are separate in the argument list. */
if (params)
{
static char path[PATH_MAX_LENGTH];
fill_pathname_join(path, argv[1], argv[2], sizeof(path));
params->content_path = path;
params->sram_path = NULL;
params->state_path = NULL;
params->config_path = NULL;
params->libretro_path = NULL;
params->flags &= ~(RARCH_MAIN_WRAP_FLAG_VERBOSE
| RARCH_MAIN_WRAP_FLAG_NO_CONTENT);
params->flags |= RARCH_MAIN_WRAP_FLAG_TOUCHED;
}
}
if (gx_devices[GX_DEVICE_SD].mounted)
chdir("sd:/");
else if (gx_devices[GX_DEVICE_USB].mounted)
chdir("usb:/");
}
#endif
#else
if (*argc > 2 && argv &&
!string_is_empty(argv[1]) && !string_is_empty(argv[2]))
fill_pathname_join(gx_rom_path, argv[1], argv[2], sizeof(gx_rom_path));
else
*gx_rom_path = '\0';
#endif
slash = strrchr(g_defaults.dirs[DEFAULT_DIR_CORE], '/');
if (slash)
*slash = '\0';
strlcpy(g_defaults.dirs[DEFAULT_DIR_PORT],
g_defaults.dirs[DEFAULT_DIR_CORE],
sizeof(g_defaults.dirs[DEFAULT_DIR_PORT]));
slash = strchr(g_defaults.dirs[DEFAULT_DIR_PORT], '/');
if (slash)
*slash = '\0';
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_PORT],
g_defaults.dirs[DEFAULT_DIR_PORT], "retroarch",
sizeof(g_defaults.dirs[DEFAULT_DIR_PORT]));
/* System paths */
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_INFO],
g_defaults.dirs[DEFAULT_DIR_CORE], "info",
sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
g_defaults.dirs[DEFAULT_DIR_CORE], "autoconfig",
sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OVERLAY],
g_defaults.dirs[DEFAULT_DIR_CORE], "overlays",
sizeof(g_defaults.dirs[DEFAULT_DIR_OVERLAY]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OSK_OVERLAY],
g_defaults.dirs[DEFAULT_DIR_CORE], "overlays/keyboards",
sizeof(g_defaults.dirs[DEFAULT_DIR_OSK_OVERLAY]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
g_defaults.dirs[DEFAULT_DIR_CORE], "filters/video",
sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER],
g_defaults.dirs[DEFAULT_DIR_CORE], "filters/audio",
sizeof(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_ASSETS],
g_defaults.dirs[DEFAULT_DIR_CORE], "assets",
sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CHEATS],
g_defaults.dirs[DEFAULT_DIR_CORE], "cheats",
sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
/* User paths */
fill_pathname_join(g_defaults.path_config,
g_defaults.dirs[DEFAULT_DIR_CORE], "retroarch.cfg",
sizeof(g_defaults.path_config));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SYSTEM],
g_defaults.dirs[DEFAULT_DIR_PORT], "system",
sizeof(g_defaults.dirs[DEFAULT_DIR_SYSTEM]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SRAM],
g_defaults.dirs[DEFAULT_DIR_PORT], "savefiles",
sizeof(g_defaults.dirs[DEFAULT_DIR_SRAM]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SAVESTATE],
g_defaults.dirs[DEFAULT_DIR_PORT], "savestates",
sizeof(g_defaults.dirs[DEFAULT_DIR_SAVESTATE]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_PLAYLIST],
g_defaults.dirs[DEFAULT_DIR_PORT], "playlists",
sizeof(g_defaults.dirs[DEFAULT_DIR_PLAYLIST]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_LOGS],
g_defaults.dirs[DEFAULT_DIR_PORT], "logs",
sizeof(g_defaults.dirs[DEFAULT_DIR_LOGS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_REMAP],
g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG], "remaps",
sizeof(g_defaults.dirs[DEFAULT_DIR_REMAP]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG],
g_defaults.dirs[DEFAULT_DIR_PORT], "config",
sizeof(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG]));
#ifndef IS_SALAMANDER
dir_check_defaults("custom.ini");
#endif
}
extern void __exception_setreload(int t);
static void frontend_gx_init(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();
devoptab_list[STD_OUT] = &dotab_stdout;
devoptab_list[STD_ERR] = &dotab_stdout;
#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)
{
#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, char *args)
{
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[NAME_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 salamander_name[NAME_MAX_LENGTH];
char new_path[PATH_MAX_LENGTH];
if (frontend_driver_get_salamander_basename(salamander_name,
sizeof(salamander_name)))
{
fill_pathname_join(new_path, g_defaults.dirs[DEFAULT_DIR_CORE],
salamander_name, sizeof(new_path));
path_set(RARCH_PATH_CONTENT, new_path);
}
}
break;
case FRONTEND_FORK_NONE:
default:
break;
}
system_exec_wii(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.dirs[DEFAULT_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
/* A big hack: sometimes Salamander doesn't save the new core
* it loads on first boot, so we make sure
* active core path is set here. */
if (path_is_empty(RARCH_PATH_CORE) && *argc >= 1 && strrchr(argv[0], '/'))
{
char path[PATH_MAX_LENGTH] = {0};
strlcpy(path, strrchr(argv[0], '/') + 1, sizeof(path));
if (path_is_valid(path))
path_set(RARCH_PATH_CORE, 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:
gx_fork_mode = fork_mode;
break;
case FRONTEND_FORK_CORE_WITH_ARGS:
gx_fork_mode = fork_mode;
break;
case FRONTEND_FORK_RESTART:
gx_fork_mode = fork_mode;
command_event(CMD_EVENT_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_arch(void)
{
return FRONTEND_ARCH_PPC;
}
static int frontend_gx_parse_drive_list(void *data, bool load_content)
{
#ifndef IS_SALAMANDER
file_list_t *list = (file_list_t*)data;
enum msg_hash_enums enum_idx = load_content ?
MENU_ENUM_LABEL_FILE_DETECT_CORE_LIST_PUSH_DIR :
MENU_ENUM_LABEL_FILE_BROWSER_DIRECTORY;
#ifdef HW_RVL
menu_entries_append(list,
"sd:/",
msg_hash_to_str(MSG_EXTERNAL_APPLICATION_DIR),
enum_idx,
FILE_TYPE_DIRECTORY, 0, 0, NULL);
menu_entries_append(list,
"usb:/",
msg_hash_to_str(MSG_EXTERNAL_APPLICATION_DIR),
enum_idx,
FILE_TYPE_DIRECTORY, 0, 0, NULL);
#endif
menu_entries_append(list,
"carda:/",
msg_hash_to_str(MSG_EXTERNAL_APPLICATION_DIR),
enum_idx,
FILE_TYPE_DIRECTORY, 0, 0, NULL);
menu_entries_append(list,
"cardb:/",
msg_hash_to_str(MSG_EXTERNAL_APPLICATION_DIR),
enum_idx,
FILE_TYPE_DIRECTORY, 0, 0, NULL);
#endif
return 0;
}
static void frontend_gx_shutdown(bool unused)
{
#ifndef IS_SALAMANDER
exit(0);
#endif
}
static uint64_t frontend_gx_get_total_mem(void)
{
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
return SYSMEM1_SIZE + gx_mem2_total();
#else
return SYSMEM1_SIZE;
#endif
}
static uint64_t frontend_gx_get_free_mem(void)
{
uint64_t total = SYSMEM1_SIZE - (SYSMEM1_SIZE - SYS_GetArena1Size());
#if defined(HW_RVL) && !defined(IS_SALAMANDER)
total += (gx_mem2_total() - gx_mem2_used());
#endif
return total;
}
frontend_ctx_driver_t frontend_ctx_gx = {
frontend_gx_get_env, /* get_env */
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, /* set_fork */
#else
NULL, /* set_fork */
#endif
frontend_gx_shutdown, /* shutdown */
NULL, /* get_name */
NULL, /* get_os */
frontend_gx_get_rating, /* get_rating */
NULL, /* load_content */
frontend_gx_get_arch, /* get_architecture */
NULL, /* get_powerstate */
frontend_gx_parse_drive_list, /* parse_drive_list */
frontend_gx_get_total_mem, /* get_total_mem */
frontend_gx_get_free_mem, /* get_free_mem */
NULL, /* install_signal_handler */
NULL, /* get_sighandler_state */
NULL, /* set_sighandler_state */
NULL, /* destroy_signal_handler_state */
NULL, /* attach_console */
NULL, /* detach_console */
NULL, /* get_lakka_version */
NULL, /* set_screen_brightness */
NULL, /* watch_path_for_changes */
NULL, /* check_for_path_changes */
NULL, /* set_sustained_performance_mode */
NULL, /* get_cpu_model_name */
NULL, /* get_user_language */
NULL, /* is_narrator_running */
NULL, /* accessibility_speak */
NULL, /* set_gamemode */
"gx", /* ident */
NULL /* get_video_driver */
};