frontend/main.c

   1 /*
   2  * (C) notaz, 2010-2012
   3  *
   4  * This work is licensed under the terms of the GNU GPLv2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <stdarg.h>
  11 #include <unistd.h>
  12 #include <signal.h>
  13 #include <time.h>
  14 #if !defined(_WIN32) && !defined(NO_DYLIB)
  15 #include <dlfcn.h>
  16 #endif
  17 #ifdef HAVE_RTHREADS
  18 #include "../frontend/pcsxr-threads.h"
  19 #endif
  20
  21 #include "main.h"
  22 #include "plugin.h"
  23 #include "plugin_lib.h"
  24 #include "pcnt.h"
  25 #include "menu.h"
  26 #include "plat.h"
  27 #include "../libpcsxcore/misc.h"
  28 #include "../libpcsxcore/cheat.h"
  29 #include "../libpcsxcore/sio.h"
  30 #include "../libpcsxcore/database.h"
  31 #include "../libpcsxcore/cdrom-async.h"
  32 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
  33 #include "../plugins/cdrcimg/cdrcimg.h"
  34 #include "../plugins/dfsound/spu_config.h"
  35 #include "arm_features.h"
  36 #include "revision.h"
  37
  38 #if defined(__EMSCRIPTEN__)
  39 #define DO_CPU_CHECKS 0
  40 #elif defined(__has_builtin)
  41 #define DO_CPU_CHECKS __has_builtin(__builtin_cpu_init)
  42 #elif defined(__x86_64__) || defined(__i386__)
  43 #define DO_CPU_CHECKS 1
  44 #else
  45 #define DO_CPU_CHECKS 0
  46 #endif
  47
  48 #ifndef NO_FRONTEND
  49 #include <sys/stat.h>
  50 #include "libpicofe/input.h"
  51 #include "libpicofe/plat.h"
  52 #include "libpicofe/readpng.h"
  53
  54 static void toggle_fast_forward(int force_off);
  55 static void check_profile(void);
  56 static void check_memcards(void);
  57 static int get_gameid_filename(char *buf, int size, const char *fmt, int i);
  58 static const char *get_home_dir(void);
  59 #define MAKE_PATH(buf, dir, fname) \
  60         emu_make_path(buf, sizeof(buf), dir, fname)
  61
  62 #endif
  63 #ifndef BOOT_MSG
  64 #define BOOT_MSG "Booting up..."
  65 #endif
  66
  67 // don't include debug.h - it breaks ARM build (R1 redefined)
  68 static void StartDebugger() {}
  69 static void StopDebugger() {}
  70
  71 int ready_to_go, g_emu_want_quit, g_emu_resetting;
  72 unsigned long gpuDisp;
  73 char cfgfile_basename[MAXPATHLEN];
  74 int state_slot;
  75 enum sched_action emu_action, emu_action_old;
  76 char hud_msg[64];
  77 int hud_new_msg;
  78
  79 void set_cd_image(const char *fname)
  80 {
  81         SetIsoFile(fname);
  82 }
  83
  84 static void set_default_paths(void)
  85 {
  86 #ifndef NO_FRONTEND
  87         const char *home = get_home_dir();
  88         struct stat st;
  89         MAKE_PATH(Config.PatchesDir, PATCHES_DIR, NULL);
  90         MAKE_PATH(Config.Mcd1, MEMCARD_DIR, "card1.mcd");
  91         MAKE_PATH(Config.Mcd2, MEMCARD_DIR, "card2.mcd");
  92         MAKE_PATH(Config.BiosDir, BIOS_DIR, NULL);
  93
  94         emu_make_data_path(Config.PluginsDir, "plugins", sizeof(Config.PluginsDir));
  95
  96         // prefer bios in working dir for compatibility
  97         if (!strcmp(home, ".") && !stat("bios", &st))
  98                 strcpy(Config.BiosDir, "bios");
  99
 100         SysPrintf("dirs: profile=%s" PCSX_DOT_DIR ", bios=%s, plugins=%s\n",
 101                 home, Config.BiosDir, Config.PluginsDir);
 102 #endif
 103
 104         strcpy(Config.Gpu, "builtin_gpu");
 105         strcpy(Config.Spu, "builtin_spu");
 106 }
 107
 108 void emu_set_default_config(void)
 109 {
 110         // try to set sane config on which most games work
 111         Config.Xa = Config.Cdda = 0;
 112         Config.icache_emulation = 0;
 113         Config.PsxAuto = 1;
 114         Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
 115         Config.GpuListWalking = -1;
 116         Config.FractionalFramerate = -1;
 117
 118         pl_rearmed_cbs.dithering = 1;
 119         pl_rearmed_cbs.gpu_neon.allow_interlace = 2; // auto
 120         pl_rearmed_cbs.gpu_neon.enhancement_enable =
 121         pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
 122         pl_rearmed_cbs.gpu_neon.enhancement_tex_adj = 1;
 123         pl_rearmed_cbs.gpu_peops.dwActFixes = 1<<7;
 124         pl_rearmed_cbs.gpu_unai.old_renderer = 0;
 125         pl_rearmed_cbs.gpu_unai.ilace_force = 0;
 126         pl_rearmed_cbs.gpu_unai.lighting = 1;
 127         pl_rearmed_cbs.gpu_unai.fast_lighting = 0;
 128         pl_rearmed_cbs.gpu_unai.blending = 1;
 129         memset(&pl_rearmed_cbs.gpu_peopsgl, 0, sizeof(pl_rearmed_cbs.gpu_peopsgl));
 130         pl_rearmed_cbs.gpu_peopsgl.iVRamSize = 64;
 131         pl_rearmed_cbs.gpu_peopsgl.iTexGarbageCollection = 1;
 132
 133         spu_config.iUseReverb = 1;
 134         spu_config.iUseInterpolation = 1;
 135         spu_config.iXAPitch = 0;
 136         spu_config.iVolume = 768;
 137         spu_config.iTempo = 0;
 138         // may cause issues, no effect if only 1 core is detected
 139         spu_config.iUseThread = 0;
 140 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS) /* XXX GPH hack */
 141         spu_config.iUseReverb = 0;
 142         spu_config.iUseInterpolation = 0;
 143 #ifndef HAVE_LIBRETRO
 144         spu_config.iTempo = 1;
 145 #endif
 146 #endif
 147 #if defined(MIYOO)
 148         pl_rearmed_cbs.dithering = 0;
 149         pl_rearmed_cbs.gpu_unai.fast_lighting = 1;
 150         pl_rearmed_cbs.gpu_unai.scale_hires = 1;
 151 #endif
 152         ndrc_g.hacks = 0;
 153
 154         in_type[0] = PSE_PAD_TYPE_STANDARD;
 155         in_type[1] = PSE_PAD_TYPE_STANDARD;
 156 }
 157
 158 #ifndef NO_FRONTEND
 159
 160 void do_emu_action(void)
 161 {
 162         int ret;
 163
 164         emu_action_old = emu_action;
 165
 166         switch (emu_action) {
 167         case SACTION_LOAD_STATE:
 168                 ret = emu_load_state(state_slot);
 169                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "LOADED" : "FAIL!");
 170                 break;
 171         case SACTION_SAVE_STATE:
 172                 ret = emu_save_state(state_slot);
 173                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "SAVED" : "FAIL!");
 174                 break;
 175         case SACTION_ENTER_MENU:
 176                 toggle_fast_forward(1);
 177                 menu_loop();
 178                 return;
 179         case SACTION_NEXT_SSLOT:
 180                 state_slot++;
 181                 if (state_slot > 9)
 182                         state_slot = 0;
 183                 goto do_state_slot;
 184         case SACTION_PREV_SSLOT:
 185                 state_slot--;
 186                 if (state_slot < 0)
 187                         state_slot = 9;
 188 do_state_slot:
 189                 snprintf(hud_msg, sizeof(hud_msg), "STATE SLOT %d [%s]", state_slot,
 190                         emu_check_state(state_slot) == 0 ? "USED" : "FREE");
 191                 hud_new_msg = 3;
 192                 SysPrintf("* %s\n", hud_msg);
 193                 break;
 194         case SACTION_TOGGLE_FSKIP:
 195                 pl_rearmed_cbs.fskip_advice = 0;
 196                 pl_rearmed_cbs.frameskip++;
 197                 if (pl_rearmed_cbs.frameskip > 1)
 198                         pl_rearmed_cbs.frameskip = -1;
 199                 snprintf(hud_msg, sizeof(hud_msg), "FRAMESKIP: %s",
 200                         pl_rearmed_cbs.frameskip == -1 ? "AUTO" :
 201                         pl_rearmed_cbs.frameskip == 0 ? "OFF" : "1" );
 202                 plugin_call_rearmed_cbs();
 203                 break;
 204         case SACTION_SWITCH_DISPMODE:
 205                 pl_switch_dispmode();
 206                 plugin_call_rearmed_cbs();
 207                 if (GPU_open != NULL && GPU_close != NULL) {
 208                         GPU_close();
 209                         GPU_open(&gpuDisp, "PCSX", NULL);
 210                 }
 211                 break;
 212         case SACTION_FAST_FORWARD:
 213                 toggle_fast_forward(0);
 214                 plugin_call_rearmed_cbs();
 215                 break;
 216         case SACTION_TOGGLE_FPS:
 217                 if ((g_opts & (OPT_SHOWFPS|OPT_SHOWCPU))
 218                     == (OPT_SHOWFPS|OPT_SHOWCPU))
 219                         g_opts &= ~(OPT_SHOWFPS|OPT_SHOWCPU);
 220                 else if (g_opts & OPT_SHOWFPS)
 221                         g_opts |= OPT_SHOWCPU;
 222                 else
 223                         g_opts |= OPT_SHOWFPS;
 224                 break;
 225         case SACTION_TOGGLE_FULLSCREEN:
 226                 plat_target.vout_fullscreen = !plat_target.vout_fullscreen;
 227                 if (GPU_open != NULL && GPU_close != NULL) {
 228                         GPU_close();
 229                         GPU_open(&gpuDisp, "PCSX", NULL);
 230                 }
 231                 break;
 232         case SACTION_SCREENSHOT:
 233                 {
 234                         char buf[MAXPATHLEN];
 235                         void *scrbuf;
 236                         int w, h, bpp;
 237                         time_t t = time(NULL);
 238                         struct tm *tb = localtime(&t);
 239                         int ti = tb->tm_yday * 1000000 + tb->tm_hour * 10000 +
 240                                 tb->tm_min * 100 + tb->tm_sec;
 241
 242                         scrbuf = pl_prepare_screenshot(&w, &h, &bpp);
 243                         get_gameid_filename(buf, sizeof(buf),
 244                                 "%s" SCREENSHOTS_DIR "%.32s-%.9s.%d.png", ti);
 245                         ret = -2;
 246                         if (scrbuf != 0 && bpp == 16)
 247                                 ret = writepng(buf, scrbuf, w, h);
 248                         if (ret == 0)
 249                                 snprintf(hud_msg, sizeof(hud_msg), "SCREENSHOT TAKEN");
 250                         else
 251                                 SysPrintf("writepng %s: %d\n", buf, ret);
 252                         break;
 253                 }
 254         case SACTION_VOLUME_UP:
 255         case SACTION_VOLUME_DOWN:
 256                 {
 257                         static int volume;
 258                         plat_target_step_volume(&volume,
 259                                 emu_action == SACTION_VOLUME_UP ? 1 : -1);
 260                 }
 261                 return;
 262         case SACTION_MINIMIZE:
 263                 if (GPU_close != NULL)
 264                         GPU_close();
 265
 266                 plat_minimize();
 267
 268                 if (GPU_open != NULL) {
 269                         ret = GPU_open(&gpuDisp, "PCSX", NULL);
 270                         if (ret)
 271                                 SysMessage("GPU_open returned %d", ret);
 272                 }
 273                 return;
 274         case SACTION_ANALOG_TOGGLE:
 275                 ret = padToggleAnalog(0);
 276                 snprintf(hud_msg, sizeof(hud_msg), "ANALOG %s", ret ? "ON" : "OFF");
 277                 break;
 278         default:
 279                 return;
 280         }
 281
 282         hud_new_msg = 3;
 283 }
 284
 285 #endif
 286
 287 static char basic_lcase(char c)
 288 {
 289         if ('A' <= c && c <= 'Z')
 290                 return c - 'A' + 'a';
 291         return c;
 292 }
 293
 294 static int cdidcmp(const char *id1, const char *id2)
 295 {
 296         while (*id1 != 0 && *id2 != 0) {
 297                 if (*id1 == '_') { id1++; continue; }
 298                 if (*id2 == '_') { id2++; continue; }
 299                 if (basic_lcase(*id1) != basic_lcase(*id2))
 300                         break;
 301                 id1++;
 302                 id2++;
 303         }
 304
 305         return *id1 - *id2;
 306 }
 307
 308 static void parse_cwcheat(void)
 309 {
 310         char line[256], buf[256], name[256], *p;
 311         int newcheat = 1;
 312         u32 a, v;
 313         FILE *f;
 314
 315         f = fopen("cheatpops.db", "r");
 316         if (f == NULL)
 317                 return;
 318
 319         /* find the game */
 320         while (fgets(line, sizeof(line), f)) {
 321                 if (sscanf(line, "_S %63s", buf) != 1)
 322                         continue;
 323                 if (cdidcmp(buf, CdromId) == 0)
 324                         break;
 325         }
 326
 327         if (feof(f))
 328                 goto out;
 329
 330         SysPrintf("cwcheat section found for %s\n", CdromId);
 331         while (fgets(line, sizeof(line), f))
 332         {
 333                 p = line + strlen(line);
 334                 for (p--; p >= line && (*p == '\r' || *p == '\n' || *p == ' '); p--)
 335                         *p = 0;
 336                 if (*p == 0 || *p == '#' || *p == ';')
 337                         continue;
 338
 339                 if (strncmp(line, "_S", 2) == 0)
 340                         break;
 341                 if (strncmp(line, "_G", 2) == 0) {
 342                         SysPrintf("  cwcheat game name: '%s'\n", line + 3);
 343                         continue;
 344                 }
 345                 if (strncmp(line, "_C0", 3) == 0) {
 346                         if (!newcheat && Cheats[NumCheats - 1].n == 0) {
 347                                 SysPrintf("cheat '%s' failed to parse\n", name);
 348                                 free(Cheats[NumCheats - 1].Descr);
 349                                 NumCheats--;
 350                         }
 351                         snprintf(name, sizeof(name), "%s", line + 4);
 352                         newcheat = 1;
 353                         continue;
 354                 }
 355                 if (sscanf(line, "_L %x %x", &a, &v) != 2) {
 356                         SysPrintf("line failed to parse: '%s'\n", line);
 357                         continue;
 358                 }
 359
 360                 if (newcheat) {
 361                         if (NumCheats >= NumCheatsAllocated) {
 362                                 NumCheatsAllocated += 16;
 363                                 Cheats = realloc(Cheats, sizeof(Cheat) *
 364                                                 NumCheatsAllocated);
 365                                 if (Cheats == NULL)
 366                                         break;
 367                         }
 368                         Cheats[NumCheats].Descr = strdup(name);
 369                         Cheats[NumCheats].Enabled = 0;
 370                         Cheats[NumCheats].WasEnabled = 0;
 371                         Cheats[NumCheats].First = NumCodes;
 372                         Cheats[NumCheats].n = 0;
 373                         NumCheats++;
 374                         newcheat = 0;
 375                 }
 376
 377                 if (NumCodes >= NumCodesAllocated) {
 378                         NumCodesAllocated += 16;
 379                         CheatCodes = realloc(CheatCodes, sizeof(CheatCode) *
 380                                 NumCodesAllocated);
 381                         if (CheatCodes == NULL)
 382                                 break;
 383                 }
 384                 CheatCodes[NumCodes].Addr = a;
 385                 CheatCodes[NumCodes].Val = v;
 386                 NumCodes++;
 387                 Cheats[NumCheats - 1].n++;
 388         }
 389
 390 out:
 391         fclose(f);
 392 }
 393
 394 void emu_on_new_cd(int show_hud_msg)
 395 {
 396         ClearAllCheats();
 397         parse_cwcheat();
 398
 399         if (Config.HLE) {
 400                 SysPrintf("note: running with HLE BIOS, expect compatibility problems\n");
 401                 SysPrintf("----------------------------------------------------------\n");
 402         }
 403         if (Config.TurboCD)
 404                 SysPrintf("note: TurboCD is enabled, this breaks games\n");
 405
 406         if (show_hud_msg) {
 407                 if (check_unsatisfied_libcrypt())
 408                         snprintf(hud_msg, sizeof(hud_msg),
 409                                 "LibCrypt protected game with missing SBI detected");
 410                 else
 411                         snprintf(hud_msg, sizeof(hud_msg), BOOT_MSG);
 412                 hud_new_msg = 3;
 413         }
 414 }
 415
 416 static void log_wrong_cpu(void)
 417 {
 418 #if DO_CPU_CHECKS
 419         __builtin_cpu_init();
 420         #define CHECK_CPU(name) if (!__builtin_cpu_supports(name)) \
 421                 SysPrintf("ERROR: compiled for " name ", which is unsupported by the CPU\n")
 422 #ifdef __SSE2__
 423         CHECK_CPU("sse2");
 424 #endif
 425 #ifdef __SSSE3__
 426         CHECK_CPU("ssse3");
 427 #endif
 428 #ifdef __SSE4_1__
 429         CHECK_CPU("sse4.1");
 430 #endif
 431 #endif // DO_CPU_CHECKS
 432 }
 433
 434 int emu_core_preinit(void)
 435 {
 436         // what is the name of the config file?
 437         // it may be redefined by -cfg on the command line
 438         strcpy(cfgfile_basename, "pcsx.cfg");
 439
 440         log_wrong_cpu();
 441
 442         SetIsoFile(NULL);
 443
 444         memset(&Config, 0, sizeof(Config));
 445
 446         set_default_paths();
 447         emu_set_default_config();
 448         strcpy(Config.Bios, "HLE");
 449
 450         return 0;
 451 }
 452
 453 int emu_core_init(void)
 454 {
 455         SysPrintf("Starting PCSX-ReARMed " REV " (%s)\n", get_build_info());
 456         SysPrintf("build time: " __DATE__ " " __TIME__ "\n");
 457
 458 #if defined(__arm__) && defined(__ARM_FP)
 459         // RunFast mode
 460         u32 fpscr = ~0;
 461         __asm__ volatile("vmrs %0, fpscr" : "=r"(fpscr));
 462         SysPrintf("old fpscr = %08x\n", fpscr);
 463         fpscr &= ~0x00009f9f;
 464         fpscr |=  0x03000000; // DN | FZ
 465         __asm__ volatile("vmsr fpscr, %0" :: "r"(fpscr));
 466 #endif
 467
 468 #ifdef HAVE_RTHREADS
 469         pcsxr_sthread_init();
 470 #endif
 471 #ifndef NO_FRONTEND
 472         check_profile();
 473         check_memcards();
 474 #endif
 475
 476         if (EmuInit() == -1) {
 477                 SysPrintf("PSX emulator couldn't be initialized.\n");
 478                 return -1;
 479         }
 480
 481         LoadMcds(Config.Mcd1, Config.Mcd2);
 482
 483         if (Config.Debug) {
 484                 StartDebugger();
 485         }
 486
 487         return 0;
 488 }
 489
 490 void emu_core_ask_exit(void)
 491 {
 492         psxRegs.stop++;
 493         g_emu_want_quit = 1;
 494 }
 495
 496 #ifndef NO_FRONTEND
 497
 498 #include <sys/stat.h>
 499 #include <sys/types.h>
 500
 501 static const char *get_home_dir(void)
 502 {
 503 #if defined(PANDORA) || !defined(__unix__) || defined(MIYOO)
 504         return ".";
 505 #else
 506         static const char *home = NULL;
 507         struct stat st;
 508         if (home)
 509                 return home;
 510         // for compatibility with older versions, look for .pcsx in the working dir
 511         if (stat(PCSX_DOT_DIR + 1, &st) != 0)
 512                 home = getenv("HOME");
 513         if (home == NULL)
 514                 home = ".";
 515         return home;
 516 #endif
 517 }
 518
 519 void emu_make_path(char *buf, size_t size, const char *dir, const char *fname)
 520 {
 521         const char *home = get_home_dir();
 522         if (fname)
 523                 snprintf(buf, size, "%s%s%s", home, dir, fname);
 524         else
 525                 snprintf(buf, size, "%s%s", home, dir);
 526 }
 527
 528 void emu_make_data_path(char *buff, const char *end, int size)
 529 {
 530         int pos, end_len;
 531
 532         end_len = strlen(end);
 533         pos = plat_get_root_dir(buff, size);
 534         strncpy(buff + pos, end, size - pos);
 535         buff[size - 1] = 0;
 536         if (pos + end_len > size - 1)
 537                 printf("Warning: path truncated: %s\n", buff);
 538 }
 539
 540 static void create_profile_dir(const char *directory) {
 541         char path[MAXPATHLEN];
 542
 543         MAKE_PATH(path, directory, NULL);
 544         mkdir(path, S_IRWXU | S_IRWXG);
 545 }
 546
 547 static void check_profile(void) {
 548         // make sure that ~/.pcsx exists
 549         create_profile_dir(PCSX_DOT_DIR);
 550
 551         create_profile_dir(BIOS_DIR);
 552         create_profile_dir(MEMCARD_DIR);
 553         create_profile_dir(STATES_DIR);
 554         create_profile_dir(CHEATS_DIR);
 555         create_profile_dir(PATCHES_DIR);
 556         create_profile_dir(CFG_DIR);
 557         create_profile_dir(SCREENSHOTS_DIR);
 558 }
 559
 560 static void check_memcards(void)
 561 {
 562         char buf[MAXPATHLEN];
 563         FILE *f;
 564         int i;
 565
 566         for (i = 1; i <= 9; i++) {
 567                 snprintf(buf, sizeof(buf), "%s%scard%d.mcd",
 568                         get_home_dir(), MEMCARD_DIR, i);
 569
 570                 f = fopen(buf, "rb");
 571                 if (f == NULL) {
 572                         SysPrintf("Creating memcard: %s\n", buf);
 573                         CreateMcd(buf);
 574                 }
 575                 else
 576                         fclose(f);
 577         }
 578 }
 579
 580 int main(int argc, char *argv[])
 581 {
 582         char file[MAXPATHLEN] = "";
 583         char path[MAXPATHLEN];
 584         char isofilename[MAXPATHLEN];
 585         const char *cdfile = NULL;
 586         const char *loadst_f = NULL;
 587         int psxout = 0;
 588         int loadst = 0;
 589         int i;
 590
 591         emu_core_preinit();
 592
 593         // read command line options
 594         for (i = 1; i < argc; i++) {
 595                      if (!strcmp(argv[i], "-psxout")) psxout = 1;
 596                 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
 597                 else if (!strcmp(argv[i], "-cfg")) {
 598                         if (i+1 >= argc) break;
 599                         strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100);   /* TODO buffer overruns */
 600                         SysPrintf("Using config file %s.\n", cfgfile_basename);
 601                 }
 602                 else if (!strcmp(argv[i], "-cdfile")) {
 603                         if (i+1 >= argc) break;
 604                         strncpy(isofilename, argv[++i], MAXPATHLEN);
 605                         if (isofilename[0] != '/') {
 606                                 getcwd(path, MAXPATHLEN);
 607                                 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
 608                                         strcat(path, "/");
 609                                         strcat(path, isofilename);
 610                                         strcpy(isofilename, path);
 611                                 } else
 612                                         isofilename[0] = 0;
 613                         }
 614
 615                         cdfile = isofilename;
 616                 }
 617                 else if (!strcmp(argv[i], "-loadf")) {
 618                         if (i+1 >= argc) break;
 619                         loadst_f = argv[++i];
 620                 }
 621                 else if (!strcmp(argv[i], "-h") ||
 622                          !strcmp(argv[i], "-help") ||
 623                          !strcmp(argv[i], "--help")) {
 624                          printf("PCSX-ReARMed " REV "\n");
 625                          printf("%s\n", _(
 626                                                         " pcsx [options] [file]\n"
 627                                                         "\toptions:\n"
 628                                                         "\t-cdfile FILE\tRuns a CD image file\n"
 629                                                         "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
 630                                                         "\t-psxout\t\tEnable PSX output\n"
 631                                                         "\t-load STATENUM\tLoads savestate STATENUM (1-9)\n"
 632                                                         "\t-loadf FILE\tLoads savestate from FILE\n"
 633                                                         "\t-h -help\tDisplay this message\n"
 634                                                         "\tfile\t\tLoads a PSX EXE file\n"));
 635                          return 0;
 636                 } else {
 637                         strncpy(file, argv[i], MAXPATHLEN);
 638                         if (file[0] != '/') {
 639                                 getcwd(path, MAXPATHLEN);
 640                                 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
 641                                         strcat(path, "/");
 642                                         strcat(path, file);
 643                                         strcpy(file, path);
 644                                 } else
 645                                         file[0] = 0;
 646                         }
 647                 }
 648         }
 649
 650         if (cdfile)
 651                 set_cd_image(cdfile);
 652
 653         // frontend stuff
 654         // init input but leave probing to platform code,
 655         // they add input drivers and may need to modify them after probe
 656         in_init();
 657         pl_init();
 658         plat_init();
 659         menu_init(); // loads config
 660
 661         if (emu_core_init() != 0)
 662                 return 1;
 663
 664         if (psxout)
 665                 Config.PsxOut = 1;
 666
 667         if (LoadPlugins() == -1) {
 668                 // FIXME: this recovery doesn't work, just delete bad config and bail out
 669                 // SysMessage("could not load plugins, retrying with defaults\n");
 670                 set_default_paths();
 671                 snprintf(path, sizeof(path), "%s" PCSX_DOT_DIR "%s",
 672                         get_home_dir(), cfgfile_basename);
 673                 remove(path);
 674                 SysMessage("Failed loading plugins!");
 675                 return 1;
 676         }
 677         pcnt_hook_plugins();
 678
 679         if (OpenPlugins() == -1) {
 680                 return 1;
 681         }
 682
 683         CheckCdrom();
 684         plugin_call_rearmed_cbs();
 685         SysReset();
 686
 687         if (file[0] != '\0') {
 688                 if (Load(file) != -1)
 689                         ready_to_go = 1;
 690         } else {
 691                 if (cdfile)
 692                         ready_to_go = menu_load_cd_image(cdfile) == 0;
 693         }
 694
 695         if (loadst_f) {
 696                 int ret = LoadState(loadst_f);
 697                 SysPrintf("%s state file: %s\n",
 698                         ret ? "failed to load" : "loaded", loadst_f);
 699                 ready_to_go |= ret == 0;
 700         }
 701
 702         if (ready_to_go) {
 703                 menu_prepare_emu();
 704
 705                 // If a state slot has been specified, then load that
 706                 if (cdfile && loadst) {
 707                         int ret = emu_load_state(loadst - 1);
 708                         SysPrintf("%s state slot %d\n",
 709                                 ret ? "failed to load" : "loaded", loadst);
 710                 }
 711         }
 712         else
 713                 menu_loop();
 714
 715 #ifndef LIGHTREC_DEBUG
 716         pl_start_watchdog();
 717 #endif
 718
 719         while (!g_emu_want_quit)
 720         {
 721                 psxRegs.stop = 0;
 722                 emu_action = SACTION_NONE;
 723
 724                 psxCpu->Execute(&psxRegs);
 725                 if (emu_action != SACTION_NONE)
 726                         do_emu_action();
 727         }
 728
 729         printf("Exit..\n");
 730         ClosePlugins();
 731         SysClose();
 732         menu_finish();
 733         plat_finish();
 734
 735         return 0;
 736 }
 737
 738 static void toggle_fast_forward(int force_off)
 739 {
 740         static int fast_forward;
 741         static int normal_g_opts;
 742         static int normal_enhancement_enable;
 743         static int normal_frameskip;
 744
 745         if (force_off && !fast_forward)
 746                 return;
 747
 748         fast_forward = !fast_forward;
 749         if (fast_forward) {
 750                 normal_g_opts = g_opts;
 751                 normal_frameskip = pl_rearmed_cbs.frameskip;
 752                 normal_enhancement_enable =
 753                         pl_rearmed_cbs.gpu_neon.enhancement_enable;
 754
 755                 g_opts |= OPT_NO_FRAMELIM;
 756                 if (normal_frameskip != 0)
 757                         pl_rearmed_cbs.frameskip = 3;
 758                 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
 759         } else {
 760                 g_opts = normal_g_opts;
 761                 pl_rearmed_cbs.frameskip = normal_frameskip;
 762                 pl_rearmed_cbs.gpu_neon.enhancement_enable =
 763                         normal_enhancement_enable;
 764
 765                 pl_timing_prepare(Config.PsxType);
 766         }
 767
 768         if (!force_off)
 769                 snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
 770                         fast_forward ? "ON" : "OFF");
 771 }
 772
 773 static void SignalExit(int sig) {
 774         SysPrintf("got signal %d\n", sig);
 775         // only to restore framebuffer/resolution on some devices
 776         plat_finish();
 777         _exit(1);
 778 }
 779
 780 static int get_gameid_filename(char *buf, int size, const char *fmt, int i) {
 781         char trimlabel[33];
 782         int j;
 783
 784         strncpy(trimlabel, CdromLabel, 32);
 785         trimlabel[32] = 0;
 786         for (j = 31; j >= 0; j--)
 787                 if (trimlabel[j] == ' ')
 788                         trimlabel[j] = 0;
 789                 else
 790                         continue;
 791
 792         snprintf(buf, size, fmt, get_home_dir(), trimlabel, CdromId, i);
 793
 794         return 0;
 795 }
 796
 797 int get_state_filename(char *buf, int size, int i) {
 798         return get_gameid_filename(buf, size,
 799                 "%s" STATES_DIR "%.32s-%.9s.%3.3d", i);
 800 }
 801
 802 int emu_check_state(int slot)
 803 {
 804         char fname[MAXPATHLEN];
 805         int ret;
 806
 807         ret = get_state_filename(fname, sizeof(fname), slot);
 808         if (ret != 0)
 809                 return ret;
 810
 811         return CheckState(fname);
 812 }
 813
 814 int emu_save_state(int slot)
 815 {
 816         char fname[MAXPATHLEN];
 817         int ret;
 818
 819         ret = get_state_filename(fname, sizeof(fname), slot);
 820         if (ret != 0)
 821                 return ret;
 822
 823         ret = SaveState(fname);
 824 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(__SWITCH__) /* XXX GPH hack */
 825         sync();
 826 #endif
 827         SysPrintf("* %s \"%s\" [%d]\n",
 828                 ret == 0 ? "saved" : "failed to save", fname, slot);
 829         return ret;
 830 }
 831
 832 int emu_load_state(int slot)
 833 {
 834         char fname[MAXPATHLEN];
 835         int ret;
 836
 837         hud_msg[0] = 0;
 838
 839         ret = get_state_filename(fname, sizeof(fname), slot);
 840         if (ret != 0)
 841                 return ret;
 842
 843         return LoadState(fname);
 844 }
 845
 846 #endif // NO_FRONTEND
 847
 848 static void CALLBACK dummy_lace(void)
 849 {
 850 }
 851
 852 void SysReset() {
 853         // rearmed hack: EmuReset() runs some code when real BIOS is used,
 854         // but we usually do reset from menu while GPU is not open yet,
 855         // so we need to prevent updateLace() call..
 856         void *real_lace = GPU_updateLace;
 857         GPU_updateLace = dummy_lace;
 858         g_emu_resetting = 1;
 859
 860         // reset can run code, timing must be set
 861         pl_timing_prepare(Config.PsxType);
 862
 863         EmuReset();
 864
 865         GPU_updateLace = real_lace;
 866         g_emu_resetting = 0;
 867 }
 868
 869 void SysClose() {
 870         EmuShutdown();
 871         ReleasePlugins();
 872
 873         StopDebugger();
 874 }
 875
 876 #ifndef HAVE_LIBRETRO
 877 #ifndef ANDROID
 878
 879 void SysPrintf(const char *fmt, ...) {
 880         va_list list;
 881
 882         va_start(list, fmt);
 883         vfprintf(stdout, fmt, list);
 884         va_end(list);
 885         //fflush(stdout);
 886 }
 887
 888 #else
 889
 890 #include <android/log.h>
 891
 892 void SysPrintf(const char *fmt, ...) {
 893         va_list list;
 894
 895         va_start(list, fmt);
 896         __android_log_vprint(ANDROID_LOG_INFO, "PCSX", fmt, list);
 897         va_end(list);
 898 }
 899
 900 #endif
 901 #endif /* HAVE_LIBRETRO */
 902
 903 void SysMessage(const char *fmt, ...) {
 904         va_list list;
 905         char msg[512];
 906         int ret;
 907
 908         va_start(list, fmt);
 909         ret = vsnprintf(msg, sizeof(msg), fmt, list);
 910         va_end(list);
 911
 912         if (ret < sizeof(msg) && msg[ret - 1] == '\n')
 913                 msg[ret - 1] = 0;
 914
 915         SysPrintf("%s\n", msg);
 916 }
 917
 918 #define PARSEPATH(dst, src) \
 919         ptr = src + strlen(src); \
 920         while (*ptr != '\\' && ptr != src) ptr--; \
 921         if (ptr != src) { \
 922                 strcpy(dst, ptr+1); \
 923         }
 924
 925 static int _OpenPlugins(void) {
 926         int ret;
 927
 928 #ifndef NO_FRONTEND
 929         signal(SIGINT, SignalExit);
 930         signal(SIGPIPE, SignalExit);
 931 #endif
 932
 933         ret = cdra_open();
 934         if (UsingIso() && ret < 0) { SysMessage(_("Error opening CD-ROM plugin!")); return -1; }
 935         ret = SPU_open();
 936         if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
 937         SPU_registerCallback(SPUirq);
 938         SPU_registerScheduleCb(SPUschedule);
 939         // pcsx-rearmed: we handle gpu elsewhere
 940         //ret = GPU_open(&gpuDisp, "PCSX", NULL);
 941         //if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
 942
 943         return 0;
 944 }
 945
 946 int OpenPlugins() {
 947         int ret;
 948
 949         while ((ret = _OpenPlugins()) == -2) {
 950                 ReleasePlugins();
 951                 LoadMcds(Config.Mcd1, Config.Mcd2);
 952                 if (LoadPlugins() == -1) return -1;
 953         }
 954         return ret;
 955 }
 956
 957 void ClosePlugins() {
 958         int ret;
 959
 960 #ifndef NO_FRONTEND
 961         signal(SIGINT, SIG_DFL);
 962         signal(SIGPIPE, SIG_DFL);
 963 #endif
 964
 965         cdra_close();
 966         ret = SPU_close();
 967         if (ret < 0) { SysMessage(_("Error closing SPU plugin!")); }
 968         // pcsx-rearmed: we handle gpu elsewhere
 969         //ret = GPU_close();
 970         //if (ret < 0) { SysMessage(_("Error closing GPU plugin!")); return; }
 971 }
 972
 973 /* we hook statically linked plugins here */
 974 static const char *builtin_plugins[] = {
 975         "builtin_gpu", "builtin_spu"
 976 };
 977
 978 static const int builtin_plugin_ids[] = {
 979         PLUGIN_GPU, PLUGIN_SPU
 980 };
 981
 982 void *SysLoadLibrary(const char *lib) {
 983         const char *tmp = strrchr(lib, '/');
 984         void *ret = NULL;
 985         int i;
 986
 987         SysPrintf("plugin: %s\n", lib);
 988
 989         if (tmp != NULL) {
 990                 tmp++;
 991                 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
 992                         if (strcmp(tmp, builtin_plugins[i]) == 0)
 993                                 return (void *)(uintptr_t)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
 994         }
 995
 996 #if !defined(_WIN32) && !defined(NO_DYLIB)
 997         ret = dlopen(lib, RTLD_NOW);
 998         if (ret == NULL)
 999                 SysMessage("dlopen: %s", dlerror());
1000 #else
1001         /* no external plugin support, abi is no longer
1002          * compatible with psemu/pcsx anyway */
1003 #endif
1004         return ret;
1005 }
1006
1007 void *SysLoadSym(void *lib, const char *sym) {
1008         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1009
1010         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1011                 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
1012
1013 #if !defined(_WIN32) && !defined(NO_DYLIB)
1014         return dlsym(lib, sym);
1015 #else
1016         return NULL;
1017 #endif
1018 }
1019
1020 const char *SysLibError() {
1021 #if defined(NO_DYLIB)
1022         return NULL;
1023 #elif !defined(_WIN32)
1024         return dlerror();
1025 #else
1026         return "not supported";
1027 #endif
1028 }
1029
1030 void SysCloseLibrary(void *lib) {
1031         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1032
1033         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1034                 return;
1035
1036 #if !defined(_WIN32) && !defined(NO_DYLIB)
1037         dlclose(lib);
1038 #endif
1039 }