RetroArch/frontend/drivers/platform_psp.c
2015-03-21 04:43:18 +01:00

255 lines
6.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* 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 <pspkernel.h>
#include <pspdebug.h>
#include <pspfpu.h>
#include <psppower.h>
#include <pspsdk.h>
#include <stdint.h>
#include <boolean.h>
#include <stddef.h>
#include <string.h>
#include "../../gfx/drivers/psp_sdk_defines.h"
#include <file/file_path.h>
#include "../../general.h"
#if defined(HAVE_KERNEL_PRX) || defined(IS_SALAMANDER)
#include "../../psp1/kernel_functions.h"
#endif
PSP_MODULE_INFO("RetroArch PSP", 0, 1, 1);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER|THREAD_ATTR_VFPU);
#ifdef BIG_STACK
PSP_MAIN_THREAD_STACK_SIZE_KB(4*1024);
#endif
PSP_HEAP_SIZE_MAX();
char eboot_path[512];
static bool exit_spawn = false;
static bool exitspawn_start_game = false;
#ifdef IS_SALAMANDER
#include "../../file_ext.h"
#endif
static void frontend_psp_get_environment_settings(int *argc, char *argv[],
void *args, void *params_data)
{
(void)args;
#ifndef IS_SALAMANDER
#if defined(HAVE_LOGGER)
logger_init();
#elif defined(HAVE_FILE_LOGGER)
global_t *global = global_get_ptr();
global->log_file = fopen("ms0:/retroarch-log.txt", "w");
#endif
#endif
strlcpy(eboot_path, argv[0], sizeof(eboot_path));
fill_pathname_basedir(g_defaults.port_dir, argv[0], sizeof(g_defaults.port_dir));
RARCH_LOG("port dir: [%s]\n", g_defaults.port_dir);
fill_pathname_join(g_defaults.assets_dir, g_defaults.port_dir,
"media", sizeof(g_defaults.assets_dir));
fill_pathname_join(g_defaults.core_dir, g_defaults.port_dir,
"cores", sizeof(g_defaults.core_dir));
fill_pathname_join(g_defaults.core_info_dir, g_defaults.port_dir,
"cores", sizeof(g_defaults.core_info_dir));
fill_pathname_join(g_defaults.savestate_dir, g_defaults.core_dir,
"savestates", sizeof(g_defaults.savestate_dir));
fill_pathname_join(g_defaults.sram_dir, g_defaults.core_dir,
"savefiles", sizeof(g_defaults.sram_dir));
fill_pathname_join(g_defaults.system_dir, g_defaults.core_dir,
"system", sizeof(g_defaults.system_dir));
fill_pathname_join(g_defaults.playlist_dir, g_defaults.core_dir,
"playlists", sizeof(g_defaults.playlist_dir));
fill_pathname_join(g_defaults.config_path, g_defaults.port_dir,
"retroarch.cfg", sizeof(g_defaults.config_path));
#ifndef IS_SALAMANDER
if (argv[1] && (argv[1][0] != '\0'))
{
static char path[PATH_MAX_LENGTH];
struct rarch_main_wrap *args = NULL;
*path = '\0';
args = (struct rarch_main_wrap*)params_data;
if (args)
{
strlcpy(path, argv[1], 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;
RARCH_LOG("argv[0]: %s\n", argv[0]);
RARCH_LOG("argv[1]: %s\n", argv[1]);
RARCH_LOG("argv[2]: %s\n", argv[2]);
RARCH_LOG("Auto-start game %s.\n", argv[1]);
}
}
#endif
}
static void frontend_psp_deinit(void *data)
{
(void)data;
#ifndef IS_SALAMANDER
global_t *global = global_get_ptr();
global->verbosity = false;
#ifdef HAVE_FILE_LOGGER
if (global->log_file)
fclose(global->log_file);
global->log_file = NULL;
#endif
#endif
}
static void frontend_psp_shutdown(bool unused)
{
(void)unused;
sceKernelExitGame();
}
static int exit_callback(int arg1, int arg2, void *common)
{
frontend_psp_deinit(NULL);
frontend_psp_shutdown(false);
return 0;
}
int callback_thread(SceSize args, void *argp)
{
int cbid = sceKernelCreateCallback("Exit callback", exit_callback, NULL);
sceKernelRegisterExitCallback(cbid);
sceKernelSleepThreadCB();
return 0;
}
static int setup_callback(void)
{
int thread_id = sceKernelCreateThread("update_thread",
callback_thread, 0x11, 0xFA0, 0, 0);
if (thread_id >= 0)
sceKernelStartThread(thread_id, 0, 0);
return thread_id;
}
static void frontend_psp_init(void *data)
{
#ifndef IS_SALAMANDER
(void)data;
//initialize debug screen
pspDebugScreenInit();
pspDebugScreenClear();
setup_callback();
pspFpuSetEnable(0);//disable FPU exceptions
scePowerSetClockFrequency(333,333,166);
#endif
#if defined(HAVE_KERNEL_PRX) || defined(IS_SALAMANDER)
pspSdkLoadStartModule("kernel_functions.prx", PSP_MEMORY_PARTITION_KERNEL);
#endif
}
static void frontend_psp_exec(const char *path, bool should_load_game)
{
#if defined(HAVE_KERNEL_PRX) || defined(IS_SALAMANDER)
char argp[512];
SceSize args = 0;
argp[0] = '\0';
strlcpy(argp, eboot_path, sizeof(argp));
args = strlen(argp) + 1;
#ifndef IS_SALAMANDER
global_t *global = global_get_ptr();
if (should_load_game && global->fullpath[0] != '\0')
{
argp[args] = '\0';
strlcat(argp + args, global->fullpath, sizeof(argp) - args);
args += strlen(argp + args) + 1;
}
#endif
RARCH_LOG("Attempt to load executable: [%s].\n", path);
exitspawn_kernel(path, args, argp);
#endif
}
static void frontend_psp_set_fork(bool exit, bool start_game)
{
exit_spawn = true;
exitspawn_start_game = start_game;
}
static void frontend_psp_exitspawn(char *core_path, size_t sizeof_core_path)
{
bool should_load_game = false;
#ifndef IS_SALAMANDER
should_load_game = exitspawn_start_game;
if (!exit_spawn)
return;
#endif
frontend_psp_exec(core_path, should_load_game);
}
static int frontend_psp_get_rating(void)
{
return 4;
}
const frontend_ctx_driver_t frontend_ctx_psp = {
frontend_psp_get_environment_settings, /* get_environment_settings */
frontend_psp_init, /* init */
frontend_psp_deinit, /* deinit */
frontend_psp_exitspawn, /* exitspawn */
NULL, /* process_args */
frontend_psp_exec, /* exec */
frontend_psp_set_fork, /* set_fork */
frontend_psp_shutdown, /* shutdown */
NULL, /* get_name */
frontend_psp_get_rating, /* get_rating */
NULL, /* load_content */
"psp",
};