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
  18 #include "main.h"
  19 #include "plugin.h"
  20 #include "plugin_lib.h"
  21 #include "pcnt.h"
  22 #include "menu.h"
  23 #include "plat.h"
  24 #include "../libpcsxcore/misc.h"
  25 #include "../libpcsxcore/cheat.h"
  26 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
  27 #include "../plugins/cdrcimg/cdrcimg.h"
  28 #include "../plugins/dfsound/spu_config.h"
  29 #include "arm_features.h"
  30 #include "revision.h"
  31
  32 #if defined(__has_builtin)
  33 #define DO_CPU_CHECKS __has_builtin(__builtin_cpu_init)
  34 #elif defined(__x86_64__) || defined(__i386__)
  35 #define DO_CPU_CHECKS 1
  36 #else
  37 #define DO_CPU_CHECKS 0
  38 #endif
  39
  40 #ifndef NO_FRONTEND
  41 #include "libpicofe/input.h"
  42 #include "libpicofe/plat.h"
  43 #include "libpicofe/readpng.h"
  44
  45 static void toggle_fast_forward(int force_off);
  46 static void check_profile(void);
  47 static void check_memcards(void);
  48 #endif
  49 #ifndef BOOT_MSG
  50 #define BOOT_MSG "Booting up..."
  51 #endif
  52
  53 // don't include debug.h - it breaks ARM build (R1 redefined)
  54 static void StartDebugger() {}
  55 static void StopDebugger() {}
  56
  57 int ready_to_go, g_emu_want_quit, g_emu_resetting;
  58 unsigned long gpuDisp;
  59 char cfgfile_basename[MAXPATHLEN];
  60 int state_slot;
  61 enum sched_action emu_action, emu_action_old;
  62 char hud_msg[64];
  63 int hud_new_msg;
  64
  65 static void make_path(char *buf, size_t size, const char *dir, const char *fname)
  66 {
  67         if (fname)
  68                 snprintf(buf, size, ".%s%s", dir, fname);
  69         else
  70                 snprintf(buf, size, ".%s", dir);
  71 }
  72 #define MAKE_PATH(buf, dir, fname) \
  73         make_path(buf, sizeof(buf), dir, fname)
  74
  75 static int get_gameid_filename(char *buf, int size, const char *fmt, int i) {
  76         char trimlabel[33];
  77         int j;
  78
  79         strncpy(trimlabel, CdromLabel, 32);
  80         trimlabel[32] = 0;
  81         for (j = 31; j >= 0; j--)
  82                 if (trimlabel[j] == ' ')
  83                         trimlabel[j] = 0;
  84                 else
  85                         continue;
  86
  87         snprintf(buf, size, fmt, trimlabel, CdromId, i);
  88
  89         return 0;
  90 }
  91
  92 void set_cd_image(const char *fname)
  93 {
  94         const char *ext = NULL;
  95
  96         if (fname != NULL)
  97                 ext = strrchr(fname, '.');
  98
  99         if (ext && (
 100             strcasecmp(ext, ".z") == 0 || strcasecmp(ext, ".bz") == 0 ||
 101             strcasecmp(ext, ".znx") == 0 /*|| strcasecmp(ext, ".pbp") == 0*/)) {
 102                 SetIsoFile(NULL);
 103                 cdrcimg_set_fname(fname);
 104                 strcpy(Config.Cdr, "builtin_cdrcimg");
 105         } else {
 106                 SetIsoFile(fname);
 107                 strcpy(Config.Cdr, "builtin_cdr");
 108         }
 109 }
 110
 111 static void set_default_paths(void)
 112 {
 113 #ifndef NO_FRONTEND
 114         snprintf(Config.PatchesDir, sizeof(Config.PatchesDir), "." PATCHES_DIR);
 115         MAKE_PATH(Config.Mcd1, MEMCARD_DIR, "card1.mcd");
 116         MAKE_PATH(Config.Mcd2, MEMCARD_DIR, "card2.mcd");
 117         strcpy(Config.BiosDir, "bios");
 118 #endif
 119
 120         strcpy(Config.PluginsDir, "plugins");
 121         strcpy(Config.Gpu, "builtin_gpu");
 122         strcpy(Config.Spu, "builtin_spu");
 123         strcpy(Config.Cdr, "builtin_cdr");
 124         strcpy(Config.Pad1, "builtin_pad");
 125         strcpy(Config.Pad2, "builtin_pad");
 126         strcpy(Config.Net, "Disabled");
 127 }
 128
 129 void emu_set_default_config(void)
 130 {
 131         // try to set sane config on which most games work
 132         Config.Xa = Config.Cdda = 0;
 133         Config.icache_emulation = 0;
 134         Config.PsxAuto = 1;
 135         Config.cycle_multiplier = CYCLE_MULT_DEFAULT;
 136         Config.GpuListWalking = -1;
 137
 138         pl_rearmed_cbs.gpu_neon.allow_interlace = 2; // auto
 139         pl_rearmed_cbs.gpu_neon.enhancement_enable =
 140         pl_rearmed_cbs.gpu_neon.enhancement_no_main = 0;
 141         pl_rearmed_cbs.gpu_peops.iUseDither = 0;
 142         pl_rearmed_cbs.gpu_peops.dwActFixes = 1<<7;
 143 #if 0
 144         pl_rearmed_cbs.gpu_senquack.ilace_force = 0;
 145         pl_rearmed_cbs.gpu_senquack.pixel_skip = 0;
 146         pl_rearmed_cbs.gpu_senquack.lighting = 1;
 147         pl_rearmed_cbs.gpu_senquack.fast_lighting = 0;
 148         pl_rearmed_cbs.gpu_senquack.blending = 1;
 149         pl_rearmed_cbs.gpu_senquack.dithering = 0;
 150 #else
 151         pl_rearmed_cbs.gpu_unai.lighting = 1;
 152         pl_rearmed_cbs.gpu_unai.blending = 1;
 153 #endif
 154         pl_rearmed_cbs.gpu_unai.abe_hack =
 155         pl_rearmed_cbs.gpu_unai.no_light =
 156         pl_rearmed_cbs.gpu_unai.no_blend = 0;
 157         memset(&pl_rearmed_cbs.gpu_peopsgl, 0, sizeof(pl_rearmed_cbs.gpu_peopsgl));
 158         pl_rearmed_cbs.gpu_peopsgl.iVRamSize = 64;
 159         pl_rearmed_cbs.gpu_peopsgl.iTexGarbageCollection = 1;
 160
 161         spu_config.iUseReverb = 1;
 162         spu_config.iUseInterpolation = 1;
 163         spu_config.iXAPitch = 0;
 164         spu_config.iVolume = 768;
 165         spu_config.iTempo = 0;
 166         // may cause issues, no effect if only 1 core is detected
 167         spu_config.iUseThread = 0;
 168 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS) /* XXX GPH hack */
 169         spu_config.iUseReverb = 0;
 170         spu_config.iUseInterpolation = 0;
 171 #ifndef HAVE_LIBRETRO
 172         spu_config.iTempo = 1;
 173 #endif
 174 #endif
 175         new_dynarec_hacks = 0;
 176
 177         in_type[0] = PSE_PAD_TYPE_STANDARD;
 178         in_type[1] = PSE_PAD_TYPE_STANDARD;
 179 }
 180
 181 void do_emu_action(void)
 182 {
 183         int ret;
 184
 185         emu_action_old = emu_action;
 186
 187         switch (emu_action) {
 188         case SACTION_LOAD_STATE:
 189                 ret = emu_load_state(state_slot);
 190                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "LOADED" : "FAIL!");
 191                 break;
 192         case SACTION_SAVE_STATE:
 193                 ret = emu_save_state(state_slot);
 194                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "SAVED" : "FAIL!");
 195                 break;
 196 #ifndef NO_FRONTEND
 197         case SACTION_ENTER_MENU:
 198                 toggle_fast_forward(1);
 199                 menu_loop();
 200                 return;
 201         case SACTION_NEXT_SSLOT:
 202                 state_slot++;
 203                 if (state_slot > 9)
 204                         state_slot = 0;
 205                 goto do_state_slot;
 206         case SACTION_PREV_SSLOT:
 207                 state_slot--;
 208                 if (state_slot < 0)
 209                         state_slot = 9;
 210 do_state_slot:
 211                 snprintf(hud_msg, sizeof(hud_msg), "STATE SLOT %d [%s]", state_slot,
 212                         emu_check_state(state_slot) == 0 ? "USED" : "FREE");
 213                 hud_new_msg = 3;
 214                 SysPrintf("* %s\n", hud_msg);
 215                 break;
 216         case SACTION_TOGGLE_FSKIP:
 217                 pl_rearmed_cbs.fskip_advice = 0;
 218                 pl_rearmed_cbs.frameskip++;
 219                 if (pl_rearmed_cbs.frameskip > 1)
 220                         pl_rearmed_cbs.frameskip = -1;
 221                 snprintf(hud_msg, sizeof(hud_msg), "FRAMESKIP: %s",
 222                         pl_rearmed_cbs.frameskip == -1 ? "AUTO" :
 223                         pl_rearmed_cbs.frameskip == 0 ? "OFF" : "1" );
 224                 plugin_call_rearmed_cbs();
 225                 break;
 226         case SACTION_SWITCH_DISPMODE:
 227                 pl_switch_dispmode();
 228                 plugin_call_rearmed_cbs();
 229                 if (GPU_open != NULL && GPU_close != NULL) {
 230                         GPU_close();
 231                         GPU_open(&gpuDisp, "PCSX", NULL);
 232                 }
 233                 break;
 234         case SACTION_FAST_FORWARD:
 235                 toggle_fast_forward(0);
 236                 plugin_call_rearmed_cbs();
 237                 break;
 238         case SACTION_TOGGLE_FPS:
 239                 if ((g_opts & (OPT_SHOWFPS|OPT_SHOWCPU))
 240                     == (OPT_SHOWFPS|OPT_SHOWCPU))
 241                         g_opts &= ~(OPT_SHOWFPS|OPT_SHOWCPU);
 242                 else if (g_opts & OPT_SHOWFPS)
 243                         g_opts |= OPT_SHOWCPU;
 244                 else
 245                         g_opts |= OPT_SHOWFPS;
 246                 break;
 247         case SACTION_TOGGLE_FULLSCREEN:
 248                 plat_target.vout_fullscreen = !plat_target.vout_fullscreen;
 249                 if (GPU_open != NULL && GPU_close != NULL) {
 250                         GPU_close();
 251                         GPU_open(&gpuDisp, "PCSX", NULL);
 252                 }
 253                 break;
 254         case SACTION_SCREENSHOT:
 255                 {
 256                         char buf[MAXPATHLEN];
 257                         void *scrbuf;
 258                         int w, h, bpp;
 259                         time_t t = time(NULL);
 260                         struct tm *tb = localtime(&t);
 261                         int ti = tb->tm_yday * 1000000 + tb->tm_hour * 10000 +
 262                                 tb->tm_min * 100 + tb->tm_sec;
 263
 264                         scrbuf = pl_prepare_screenshot(&w, &h, &bpp);
 265                         get_gameid_filename(buf, sizeof(buf),
 266                                 "screenshots/%.32s-%.9s.%d.png", ti);
 267                         ret = -1;
 268                         if (scrbuf != 0 && bpp == 16)
 269                                 ret = writepng(buf, scrbuf, w, h);
 270                         if (ret == 0)
 271                                 snprintf(hud_msg, sizeof(hud_msg), "SCREENSHOT TAKEN");
 272                         break;
 273                 }
 274         case SACTION_VOLUME_UP:
 275         case SACTION_VOLUME_DOWN:
 276                 {
 277                         static int volume;
 278                         plat_target_step_volume(&volume,
 279                                 emu_action == SACTION_VOLUME_UP ? 1 : -1);
 280                 }
 281                 return;
 282         case SACTION_MINIMIZE:
 283                 if (GPU_close != NULL)
 284                         GPU_close();
 285
 286                 plat_minimize();
 287
 288                 if (GPU_open != NULL) {
 289                         ret = GPU_open(&gpuDisp, "PCSX", NULL);
 290                         if (ret)
 291                                 SysMessage("GPU_open returned %d", ret);
 292                 }
 293                 return;
 294 #endif
 295         default:
 296                 return;
 297         }
 298
 299         hud_new_msg = 3;
 300 }
 301
 302 static char basic_lcase(char c)
 303 {
 304         if ('A' <= c && c <= 'Z')
 305                 return c - 'A' + 'a';
 306         return c;
 307 }
 308
 309 static int cdidcmp(const char *id1, const char *id2)
 310 {
 311         while (*id1 != 0 && *id2 != 0) {
 312                 if (*id1 == '_') { id1++; continue; }
 313                 if (*id2 == '_') { id2++; continue; }
 314                 if (basic_lcase(*id1) != basic_lcase(*id2))
 315                         break;
 316                 id1++;
 317                 id2++;
 318         }
 319
 320         return *id1 - *id2;
 321 }
 322
 323 static void parse_cwcheat(void)
 324 {
 325         char line[256], buf[256], name[256], *p;
 326         int newcheat = 1;
 327         u32 a, v;
 328         FILE *f;
 329
 330         f = fopen("cheatpops.db", "r");
 331         if (f == NULL)
 332                 return;
 333
 334         /* find the game */
 335         while (fgets(line, sizeof(line), f)) {
 336                 if (sscanf(line, "_S %63s", buf) != 1)
 337                         continue;
 338                 if (cdidcmp(buf, CdromId) == 0)
 339                         break;
 340         }
 341
 342         if (feof(f))
 343                 goto out;
 344
 345         SysPrintf("cwcheat section found for %s\n", CdromId);
 346         while (fgets(line, sizeof(line), f))
 347         {
 348                 p = line + strlen(line);
 349                 for (p--; p >= line && (*p == '\r' || *p == '\n' || *p == ' '); p--)
 350                         *p = 0;
 351                 if (*p == 0 || *p == '#' || *p == ';')
 352                         continue;
 353
 354                 if (strncmp(line, "_S", 2) == 0)
 355                         break;
 356                 if (strncmp(line, "_G", 2) == 0) {
 357                         SysPrintf("  cwcheat game name: '%s'\n", line + 3);
 358                         continue;
 359                 }
 360                 if (strncmp(line, "_C0", 3) == 0) {
 361                         if (!newcheat && Cheats[NumCheats - 1].n == 0) {
 362                                 SysPrintf("cheat '%s' failed to parse\n", name);
 363                                 free(Cheats[NumCheats - 1].Descr);
 364                                 NumCheats--;
 365                         }
 366                         snprintf(name, sizeof(name), "%s", line + 4);
 367                         newcheat = 1;
 368                         continue;
 369                 }
 370                 if (sscanf(line, "_L %x %x", &a, &v) != 2) {
 371                         SysPrintf("line failed to parse: '%s'\n", line);
 372                         continue;
 373                 }
 374
 375                 if (newcheat) {
 376                         if (NumCheats >= NumCheatsAllocated) {
 377                                 NumCheatsAllocated += 16;
 378                                 Cheats = realloc(Cheats, sizeof(Cheat) *
 379                                                 NumCheatsAllocated);
 380                                 if (Cheats == NULL)
 381                                         break;
 382                         }
 383                         Cheats[NumCheats].Descr = strdup(name);
 384                         Cheats[NumCheats].Enabled = 0;
 385                         Cheats[NumCheats].WasEnabled = 0;
 386                         Cheats[NumCheats].First = NumCodes;
 387                         Cheats[NumCheats].n = 0;
 388                         NumCheats++;
 389                         newcheat = 0;
 390                 }
 391
 392                 if (NumCodes >= NumCodesAllocated) {
 393                         NumCodesAllocated += 16;
 394                         CheatCodes = realloc(CheatCodes, sizeof(CheatCode) *
 395                                 NumCodesAllocated);
 396                         if (CheatCodes == NULL)
 397                                 break;
 398                 }
 399                 CheatCodes[NumCodes].Addr = a;
 400                 CheatCodes[NumCodes].Val = v;
 401                 NumCodes++;
 402                 Cheats[NumCheats - 1].n++;
 403         }
 404
 405 out:
 406         fclose(f);
 407 }
 408
 409 void emu_on_new_cd(int show_hud_msg)
 410 {
 411         ClearAllCheats();
 412         parse_cwcheat();
 413
 414         if (Config.HLE) {
 415                 SysPrintf("note: running with HLE BIOS, expect compatibility problems\n");
 416                 SysPrintf("----------------------------------------------------------\n");
 417         }
 418
 419         if (show_hud_msg) {
 420                 snprintf(hud_msg, sizeof(hud_msg), BOOT_MSG);
 421                 hud_new_msg = 3;
 422         }
 423 }
 424
 425 static void log_wrong_cpu(void)
 426 {
 427 #if DO_CPU_CHECKS
 428         __builtin_cpu_init();
 429         #define CHECK_CPU(name) if (!__builtin_cpu_supports(name)) \
 430                 SysPrintf("ERROR: compiled for " name ", which is unsupported by the CPU\n")
 431 #ifdef __SSE2__
 432         CHECK_CPU("sse2");
 433 #endif
 434 #ifdef __SSSE3__
 435         CHECK_CPU("ssse3");
 436 #endif
 437 #ifdef __SSE4_1__
 438         CHECK_CPU("sse4.1");
 439 #endif
 440 #endif // DO_CPU_CHECKS
 441 }
 442
 443 int emu_core_preinit(void)
 444 {
 445         // what is the name of the config file?
 446         // it may be redefined by -cfg on the command line
 447         strcpy(cfgfile_basename, "pcsx.cfg");
 448
 449 #ifdef IOS
 450         emuLog = fopen("/User/Documents/pcsxr.log", "w");
 451         if (emuLog == NULL)
 452                 emuLog = fopen("pcsxr.log", "w");
 453         if (emuLog == NULL)
 454 #endif
 455         emuLog = stdout;
 456
 457         log_wrong_cpu();
 458
 459         SetIsoFile(NULL);
 460
 461         memset(&Config, 0, sizeof(Config));
 462
 463         set_default_paths();
 464         emu_set_default_config();
 465         strcpy(Config.Bios, "HLE");
 466
 467         return 0;
 468 }
 469
 470 int emu_core_init(void)
 471 {
 472         SysPrintf("Starting PCSX-ReARMed " REV "\n");
 473
 474 #ifndef NO_FRONTEND
 475         check_profile();
 476         check_memcards();
 477 #endif
 478
 479         if (EmuInit() == -1) {
 480                 SysPrintf("PSX emulator couldn't be initialized.\n");
 481                 return -1;
 482         }
 483
 484         LoadMcds(Config.Mcd1, Config.Mcd2);
 485
 486         if (Config.Debug) {
 487                 StartDebugger();
 488         }
 489
 490         return 0;
 491 }
 492
 493 void emu_core_ask_exit(void)
 494 {
 495         stop++;
 496         g_emu_want_quit = 1;
 497 }
 498
 499 #ifndef NO_FRONTEND
 500
 501 #include <sys/stat.h>
 502 #include <sys/types.h>
 503
 504 static void create_profile_dir(const char *directory) {
 505         char path[MAXPATHLEN];
 506
 507         MAKE_PATH(path, directory, NULL);
 508         mkdir(path, S_IRWXU | S_IRWXG);
 509 }
 510
 511 static void check_profile(void) {
 512         // make sure that ~/.pcsx exists
 513         create_profile_dir(PCSX_DOT_DIR);
 514
 515         create_profile_dir(BIOS_DIR);
 516         create_profile_dir(MEMCARD_DIR);
 517         create_profile_dir(STATES_DIR);
 518         create_profile_dir(PLUGINS_DIR);
 519         create_profile_dir(PLUGINS_CFG_DIR);
 520         create_profile_dir(CHEATS_DIR);
 521         create_profile_dir(PATCHES_DIR);
 522         create_profile_dir(PCSX_DOT_DIR "cfg");
 523         create_profile_dir("/screenshots/");
 524 }
 525
 526 static void check_memcards(void)
 527 {
 528         char buf[MAXPATHLEN];
 529         FILE *f;
 530         int i;
 531
 532         for (i = 1; i <= 9; i++) {
 533                 snprintf(buf, sizeof(buf), ".%scard%d.mcd", MEMCARD_DIR, i);
 534
 535                 f = fopen(buf, "rb");
 536                 if (f == NULL) {
 537                         SysPrintf("Creating memcard: %s\n", buf);
 538                         CreateMcd(buf);
 539                 }
 540                 else
 541                         fclose(f);
 542         }
 543 }
 544
 545 int main(int argc, char *argv[])
 546 {
 547         char file[MAXPATHLEN] = "";
 548         char path[MAXPATHLEN];
 549         const char *cdfile = NULL;
 550         const char *loadst_f = NULL;
 551         int psxout = 0;
 552         int loadst = 0;
 553         int i;
 554
 555         emu_core_preinit();
 556
 557         // read command line options
 558         for (i = 1; i < argc; i++) {
 559                      if (!strcmp(argv[i], "-psxout")) psxout = 1;
 560                 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
 561                 else if (!strcmp(argv[i], "-cfg")) {
 562                         if (i+1 >= argc) break;
 563                         strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100);   /* TODO buffer overruns */
 564                         SysPrintf("Using config file %s.\n", cfgfile_basename);
 565                 }
 566                 else if (!strcmp(argv[i], "-cdfile")) {
 567                         char isofilename[MAXPATHLEN];
 568
 569                         if (i+1 >= argc) break;
 570                         strncpy(isofilename, argv[++i], MAXPATHLEN);
 571                         if (isofilename[0] != '/') {
 572                                 getcwd(path, MAXPATHLEN);
 573                                 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
 574                                         strcat(path, "/");
 575                                         strcat(path, isofilename);
 576                                         strcpy(isofilename, path);
 577                                 } else
 578                                         isofilename[0] = 0;
 579                         }
 580
 581                         cdfile = isofilename;
 582                 }
 583                 else if (!strcmp(argv[i], "-loadf")) {
 584                         if (i+1 >= argc) break;
 585                         loadst_f = argv[++i];
 586                 }
 587                 else if (!strcmp(argv[i], "-h") ||
 588                          !strcmp(argv[i], "-help") ||
 589                          !strcmp(argv[i], "--help")) {
 590                          printf("PCSX-ReARMed " REV "\n");
 591                          printf("%s\n", _(
 592                                                         " pcsx [options] [file]\n"
 593                                                         "\toptions:\n"
 594                                                         "\t-cdfile FILE\tRuns a CD image file\n"
 595                                                         "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
 596                                                         "\t-psxout\t\tEnable PSX output\n"
 597                                                         "\t-load STATENUM\tLoads savestate STATENUM (1-5)\n"
 598                                                         "\t-h -help\tDisplay this message\n"
 599                                                         "\tfile\t\tLoads a PSX EXE file\n"));
 600                          return 0;
 601                 } else {
 602                         strncpy(file, argv[i], MAXPATHLEN);
 603                         if (file[0] != '/') {
 604                                 getcwd(path, MAXPATHLEN);
 605                                 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
 606                                         strcat(path, "/");
 607                                         strcat(path, file);
 608                                         strcpy(file, path);
 609                                 } else
 610                                         file[0] = 0;
 611                         }
 612                 }
 613         }
 614
 615         if (cdfile)
 616                 set_cd_image(cdfile);
 617
 618         // frontend stuff
 619         // init input but leave probing to platform code,
 620         // they add input drivers and may need to modify them after probe
 621         in_init();
 622         pl_init();
 623         plat_init();
 624         menu_init(); // loads config
 625
 626         if (emu_core_init() != 0)
 627                 return 1;
 628
 629         if (psxout)
 630                 Config.PsxOut = 1;
 631
 632         if (LoadPlugins() == -1) {
 633                 // FIXME: this recovery doesn't work, just delete bad config and bail out
 634                 // SysMessage("could not load plugins, retrying with defaults\n");
 635                 set_default_paths();
 636                 snprintf(path, sizeof(path), "." PCSX_DOT_DIR "%s", cfgfile_basename);
 637                 remove(path);
 638                 SysMessage("Failed loading plugins!");
 639                 return 1;
 640         }
 641         pcnt_hook_plugins();
 642
 643         if (OpenPlugins() == -1) {
 644                 return 1;
 645         }
 646         plugin_call_rearmed_cbs();
 647
 648         CheckCdrom();
 649         SysReset();
 650
 651         if (file[0] != '\0') {
 652                 if (Load(file) != -1)
 653                         ready_to_go = 1;
 654         } else {
 655                 if (cdfile) {
 656                         if (LoadCdrom() == -1) {
 657                                 ClosePlugins();
 658                                 SysPrintf(_("Could not load CD-ROM!\n"));
 659                                 return -1;
 660                         }
 661                         emu_on_new_cd(!loadst);
 662                         ready_to_go = 1;
 663                 }
 664         }
 665
 666         if (loadst_f) {
 667                 int ret = LoadState(loadst_f);
 668                 SysPrintf("%s state file: %s\n",
 669                         ret ? "failed to load" : "loaded", loadst_f);
 670                 ready_to_go |= ret == 0;
 671         }
 672
 673         if (ready_to_go) {
 674                 menu_prepare_emu();
 675
 676                 // If a state has been specified, then load that
 677                 if (loadst) {
 678                         int ret = emu_load_state(loadst - 1);
 679                         SysPrintf("%s state %d\n",
 680                                 ret ? "failed to load" : "loaded", loadst);
 681                 }
 682         }
 683         else
 684                 menu_loop();
 685
 686         pl_start_watchdog();
 687
 688         while (!g_emu_want_quit)
 689         {
 690                 stop = 0;
 691                 emu_action = SACTION_NONE;
 692
 693                 psxCpu->Execute();
 694                 if (emu_action != SACTION_NONE)
 695                         do_emu_action();
 696         }
 697
 698         printf("Exit..\n");
 699         ClosePlugins();
 700         SysClose();
 701         menu_finish();
 702         plat_finish();
 703
 704         return 0;
 705 }
 706
 707 static void toggle_fast_forward(int force_off)
 708 {
 709         static int fast_forward;
 710         static int normal_g_opts;
 711         static int normal_enhancement_enable;
 712         //static int normal_frameskip;
 713
 714         if (force_off && !fast_forward)
 715                 return;
 716
 717         fast_forward = !fast_forward;
 718         if (fast_forward) {
 719                 normal_g_opts = g_opts;
 720                 //normal_frameskip = pl_rearmed_cbs.frameskip;
 721                 normal_enhancement_enable =
 722                         pl_rearmed_cbs.gpu_neon.enhancement_enable;
 723
 724                 g_opts |= OPT_NO_FRAMELIM;
 725                 // pl_rearmed_cbs.frameskip = 3; // too broken
 726                 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
 727         } else {
 728                 g_opts = normal_g_opts;
 729                 //pl_rearmed_cbs.frameskip = normal_frameskip;
 730                 pl_rearmed_cbs.gpu_neon.enhancement_enable =
 731                         normal_enhancement_enable;
 732
 733                 pl_timing_prepare(Config.PsxType);
 734         }
 735
 736         if (!force_off)
 737                 snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
 738                         fast_forward ? "ON" : "OFF");
 739 }
 740
 741 static void SignalExit(int sig) {
 742         // only to restore framebuffer/resolution on some devices
 743         plat_finish();
 744         _exit(1);
 745 }
 746 #endif
 747
 748 void SysRunGui() {
 749         printf("SysRunGui\n");
 750 }
 751
 752 static void CALLBACK dummy_lace()
 753 {
 754 }
 755
 756 void SysReset() {
 757         // rearmed hack: EmuReset() runs some code when real BIOS is used,
 758         // but we usually do reset from menu while GPU is not open yet,
 759         // so we need to prevent updateLace() call..
 760         void *real_lace = GPU_updateLace;
 761         GPU_updateLace = dummy_lace;
 762         g_emu_resetting = 1;
 763
 764         // reset can run code, timing must be set
 765         pl_timing_prepare(Config.PsxType);
 766
 767    // hmh core forgets this
 768         CDR_stop();
 769
 770         EmuReset();
 771
 772         GPU_updateLace = real_lace;
 773         g_emu_resetting = 0;
 774 }
 775
 776 void SysClose() {
 777         EmuShutdown();
 778         ReleasePlugins();
 779
 780         StopDebugger();
 781
 782         if (emuLog != NULL && emuLog != stdout && emuLog != stderr) {
 783                 fclose(emuLog);
 784                 emuLog = NULL;
 785         }
 786 }
 787
 788 int get_state_filename(char *buf, int size, int i) {
 789         return get_gameid_filename(buf, size,
 790                 "." STATES_DIR "%.32s-%.9s.%3.3d", i);
 791 }
 792
 793 int emu_check_state(int slot)
 794 {
 795         char fname[MAXPATHLEN];
 796         int ret;
 797
 798         ret = get_state_filename(fname, sizeof(fname), slot);
 799         if (ret != 0)
 800                 return ret;
 801
 802         return CheckState(fname);
 803 }
 804
 805 int emu_save_state(int slot)
 806 {
 807         char fname[MAXPATHLEN];
 808         int ret;
 809
 810         ret = get_state_filename(fname, sizeof(fname), slot);
 811         if (ret != 0)
 812                 return ret;
 813
 814         ret = SaveState(fname);
 815 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(__SWITCH__) /* XXX GPH hack */
 816         sync();
 817 #endif
 818         SysPrintf("* %s \"%s\" [%d]\n",
 819                 ret == 0 ? "saved" : "failed to save", fname, slot);
 820         return ret;
 821 }
 822
 823 int emu_load_state(int slot)
 824 {
 825         char fname[MAXPATHLEN];
 826         int ret;
 827
 828         hud_msg[0] = 0;
 829
 830         ret = get_state_filename(fname, sizeof(fname), slot);
 831         if (ret != 0)
 832                 return ret;
 833
 834         return LoadState(fname);
 835 }
 836
 837 #ifndef HAVE_LIBRETRO
 838 #ifndef ANDROID
 839
 840 void SysPrintf(const char *fmt, ...) {
 841         va_list list;
 842
 843         va_start(list, fmt);
 844         vfprintf(emuLog, fmt, list);
 845         va_end(list);
 846         fflush(emuLog);
 847 }
 848
 849 #else
 850
 851 #include <android/log.h>
 852
 853 void SysPrintf(const char *fmt, ...) {
 854         va_list list;
 855
 856         va_start(list, fmt);
 857         __android_log_vprint(ANDROID_LOG_INFO, "PCSX", fmt, list);
 858         va_end(list);
 859 }
 860
 861 #endif
 862 #endif /* HAVE_LIBRETRO */
 863
 864 void SysMessage(const char *fmt, ...) {
 865         va_list list;
 866         char msg[512];
 867         int ret;
 868
 869         va_start(list, fmt);
 870         ret = vsnprintf(msg, sizeof(msg), fmt, list);
 871         va_end(list);
 872
 873         if (ret < sizeof(msg) && msg[ret - 1] == '\n')
 874                 msg[ret - 1] = 0;
 875
 876         SysPrintf("%s\n", msg);
 877 }
 878
 879 #define PARSEPATH(dst, src) \
 880         ptr = src + strlen(src); \
 881         while (*ptr != '\\' && ptr != src) ptr--; \
 882         if (ptr != src) { \
 883                 strcpy(dst, ptr+1); \
 884         }
 885
 886 static int _OpenPlugins(void) {
 887         int ret;
 888
 889 #ifndef NO_FRONTEND
 890         signal(SIGINT, SignalExit);
 891         signal(SIGPIPE, SignalExit);
 892 #endif
 893
 894         ret = CDR_open();
 895         if (ret < 0) { SysMessage(_("Error opening CD-ROM plugin!")); return -1; }
 896         ret = SPU_open();
 897         if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
 898         SPU_registerCallback(SPUirq);
 899         SPU_registerScheduleCb(SPUschedule);
 900         // pcsx-rearmed: we handle gpu elsewhere
 901         //ret = GPU_open(&gpuDisp, "PCSX", NULL);
 902         //if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
 903         ret = PAD1_open(&gpuDisp);
 904         if (ret < 0) { SysMessage(_("Error opening Controller 1 plugin!")); return -1; }
 905         ret = PAD2_open(&gpuDisp);
 906         if (ret < 0) { SysMessage(_("Error opening Controller 2 plugin!")); return -1; }
 907
 908         if (Config.UseNet && !NetOpened) {
 909                 netInfo info;
 910                 char path[MAXPATHLEN * 2];
 911                 char dotdir[MAXPATHLEN];
 912
 913                 MAKE_PATH(dotdir, "/.pcsx/plugins/", NULL);
 914
 915                 strcpy(info.EmuName, "PCSX");
 916                 memcpy(info.CdromID, CdromId, 9); /* no \0 trailing character? */
 917                 memcpy(info.CdromLabel, CdromLabel, 9);
 918                 info.CdromLabel[9] = '\0';
 919                 info.psxMem = psxM;
 920                 info.GPU_showScreenPic = GPU_showScreenPic;
 921                 info.GPU_displayText = GPU_displayText;
 922                 info.GPU_showScreenPic = GPU_showScreenPic;
 923                 info.PAD_setSensitive = PAD1_setSensitive;
 924                 sprintf(path, "%s%s", Config.BiosDir, Config.Bios);
 925                 strcpy(info.BIOSpath, path);
 926                 strcpy(info.MCD1path, Config.Mcd1);
 927                 strcpy(info.MCD2path, Config.Mcd2);
 928                 sprintf(path, "%s%s", dotdir, Config.Gpu);
 929                 strcpy(info.GPUpath, path);
 930                 sprintf(path, "%s%s", dotdir, Config.Spu);
 931                 strcpy(info.SPUpath, path);
 932                 sprintf(path, "%s%s", dotdir, Config.Cdr);
 933                 strcpy(info.CDRpath, path);
 934                 NET_setInfo(&info);
 935
 936                 ret = NET_open(&gpuDisp);
 937                 if (ret < 0) {
 938                         if (ret == -2) {
 939                                 // -2 is returned when something in the info
 940                                 // changed and needs to be synced
 941                                 char *ptr;
 942
 943                                 PARSEPATH(Config.Bios, info.BIOSpath);
 944                                 PARSEPATH(Config.Gpu,  info.GPUpath);
 945                                 PARSEPATH(Config.Spu,  info.SPUpath);
 946                                 PARSEPATH(Config.Cdr,  info.CDRpath);
 947
 948                                 strcpy(Config.Mcd1, info.MCD1path);
 949                                 strcpy(Config.Mcd2, info.MCD2path);
 950                                 return -2;
 951                         } else {
 952                                 Config.UseNet = FALSE;
 953                         }
 954                 } else {
 955                         if (NET_queryPlayer() == 1) {
 956                                 if (SendPcsxInfo() == -1) Config.UseNet = FALSE;
 957                         } else {
 958                                 if (RecvPcsxInfo() == -1) Config.UseNet = FALSE;
 959                         }
 960                 }
 961                 NetOpened = TRUE;
 962         } else if (Config.UseNet) {
 963                 NET_resume();
 964         }
 965
 966         return 0;
 967 }
 968
 969 int OpenPlugins() {
 970         int ret;
 971
 972         while ((ret = _OpenPlugins()) == -2) {
 973                 ReleasePlugins();
 974                 LoadMcds(Config.Mcd1, Config.Mcd2);
 975                 if (LoadPlugins() == -1) return -1;
 976         }
 977         return ret;
 978 }
 979
 980 void ClosePlugins() {
 981         int ret;
 982
 983 #ifndef NO_FRONTEND
 984         signal(SIGINT, SIG_DFL);
 985         signal(SIGPIPE, SIG_DFL);
 986 #endif
 987
 988         ret = CDR_close();
 989         if (ret < 0) { SysMessage(_("Error closing CD-ROM plugin!")); return; }
 990         ret = SPU_close();
 991         if (ret < 0) { SysMessage(_("Error closing SPU plugin!")); return; }
 992         ret = PAD1_close();
 993         if (ret < 0) { SysMessage(_("Error closing Controller 1 Plugin!")); return; }
 994         ret = PAD2_close();
 995         if (ret < 0) { SysMessage(_("Error closing Controller 2 plugin!")); return; }
 996         // pcsx-rearmed: we handle gpu elsewhere
 997         //ret = GPU_close();
 998         //if (ret < 0) { SysMessage(_("Error closing GPU plugin!")); return; }
 999
1000         if (Config.UseNet) {
1001                 NET_pause();
1002         }
1003 }
1004
1005 /* we hook statically linked plugins here */
1006 static const char *builtin_plugins[] = {
1007         "builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
1008         "builtin_cdrcimg",
1009 };
1010
1011 static const int builtin_plugin_ids[] = {
1012         PLUGIN_GPU, PLUGIN_SPU, PLUGIN_CDR, PLUGIN_PAD,
1013         PLUGIN_CDRCIMG,
1014 };
1015
1016 void *SysLoadLibrary(const char *lib) {
1017         const char *tmp = strrchr(lib, '/');
1018         void *ret = NULL;
1019         int i;
1020
1021         SysPrintf("plugin: %s\n", lib);
1022
1023         if (tmp != NULL) {
1024                 tmp++;
1025                 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
1026                         if (strcmp(tmp, builtin_plugins[i]) == 0)
1027                                 return (void *)(uintptr_t)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
1028         }
1029
1030 #if !defined(_WIN32) && !defined(NO_DYLIB)
1031         ret = dlopen(lib, RTLD_NOW);
1032         if (ret == NULL)
1033                 SysMessage("dlopen: %s", dlerror());
1034 #else
1035         /* no external plugin support, abi is no longer
1036          * compatible with psemu/pcsx anyway */
1037 #endif
1038         return ret;
1039 }
1040
1041 void *SysLoadSym(void *lib, const char *sym) {
1042         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1043
1044         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1045                 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
1046
1047 #if !defined(_WIN32) && !defined(NO_DYLIB)
1048         return dlsym(lib, sym);
1049 #else
1050         return NULL;
1051 #endif
1052 }
1053
1054 const char *SysLibError() {
1055 #if defined(NO_DYLIB)
1056    return NULL;
1057 #elif !defined(_WIN32)
1058         return dlerror();
1059 #else
1060         return "not supported";
1061 #endif
1062 }
1063
1064 void SysCloseLibrary(void *lib) {
1065         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1066
1067         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1068                 return;
1069
1070 #if !defined(_WIN32) && !defined(NO_DYLIB)
1071         dlclose(lib);
1072 #endif
1073 }