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