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/libretro-rthreads.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 #ifdef IOS
 441         emuLog = fopen("/User/Documents/pcsxr.log", "w");
 442         if (emuLog == NULL)
 443                 emuLog = fopen("pcsxr.log", "w");
 444         if (emuLog == NULL)
 445 #endif
 446         emuLog = stdout;
 447
 448         log_wrong_cpu();
 449
 450         SetIsoFile(NULL);
 451
 452         memset(&Config, 0, sizeof(Config));
 453
 454         set_default_paths();
 455         emu_set_default_config();
 456         strcpy(Config.Bios, "HLE");
 457
 458         return 0;
 459 }
 460
 461 int emu_core_init(void)
 462 {
 463         SysPrintf("Starting PCSX-ReARMed " REV " (%s)\n", get_build_info());
 464         SysPrintf("build time: " __DATE__ " " __TIME__ "\n");
 465
 466 #if defined(__arm__) && defined(__ARM_FP)
 467         // RunFast mode
 468         u32 fpscr = ~0;
 469         __asm__ volatile("vmrs %0, fpscr" : "=r"(fpscr));
 470         SysPrintf("old fpscr = %08x\n", fpscr);
 471         fpscr &= ~0x00009f9f;
 472         fpscr |=  0x03000000; // DN | FZ
 473         __asm__ volatile("vmsr fpscr, %0" :: "r"(fpscr));
 474 #endif
 475
 476 #ifdef HAVE_RTHREADS
 477         pcsxr_sthread_init();
 478 #endif
 479 #ifndef NO_FRONTEND
 480         check_profile();
 481         check_memcards();
 482 #endif
 483
 484         if (EmuInit() == -1) {
 485                 SysPrintf("PSX emulator couldn't be initialized.\n");
 486                 return -1;
 487         }
 488
 489         LoadMcds(Config.Mcd1, Config.Mcd2);
 490
 491         if (Config.Debug) {
 492                 StartDebugger();
 493         }
 494
 495         return 0;
 496 }
 497
 498 void emu_core_ask_exit(void)
 499 {
 500         psxRegs.stop++;
 501         g_emu_want_quit = 1;
 502 }
 503
 504 #ifndef NO_FRONTEND
 505
 506 #include <sys/stat.h>
 507 #include <sys/types.h>
 508
 509 static const char *get_home_dir(void)
 510 {
 511 #if defined(PANDORA) || !defined(__unix__) || defined(MIYOO)
 512         return ".";
 513 #else
 514         static const char *home = NULL;
 515         struct stat st;
 516         if (home)
 517                 return home;
 518         // for compatibility with older versions, look for .pcsx in the working dir
 519         if (stat(PCSX_DOT_DIR + 1, &st) != 0)
 520                 home = getenv("HOME");
 521         if (home == NULL)
 522                 home = ".";
 523         return home;
 524 #endif
 525 }
 526
 527 void emu_make_path(char *buf, size_t size, const char *dir, const char *fname)
 528 {
 529         const char *home = get_home_dir();
 530         if (fname)
 531                 snprintf(buf, size, "%s%s%s", home, dir, fname);
 532         else
 533                 snprintf(buf, size, "%s%s", home, dir);
 534 }
 535
 536 void emu_make_data_path(char *buff, const char *end, int size)
 537 {
 538         int pos, end_len;
 539
 540         end_len = strlen(end);
 541         pos = plat_get_root_dir(buff, size);
 542         strncpy(buff + pos, end, size - pos);
 543         buff[size - 1] = 0;
 544         if (pos + end_len > size - 1)
 545                 printf("Warning: path truncated: %s\n", buff);
 546 }
 547
 548 static void create_profile_dir(const char *directory) {
 549         char path[MAXPATHLEN];
 550
 551         MAKE_PATH(path, directory, NULL);
 552         mkdir(path, S_IRWXU | S_IRWXG);
 553 }
 554
 555 static void check_profile(void) {
 556         // make sure that ~/.pcsx exists
 557         create_profile_dir(PCSX_DOT_DIR);
 558
 559         create_profile_dir(BIOS_DIR);
 560         create_profile_dir(MEMCARD_DIR);
 561         create_profile_dir(STATES_DIR);
 562         create_profile_dir(CHEATS_DIR);
 563         create_profile_dir(PATCHES_DIR);
 564         create_profile_dir(CFG_DIR);
 565         create_profile_dir(SCREENSHOTS_DIR);
 566 }
 567
 568 static void check_memcards(void)
 569 {
 570         char buf[MAXPATHLEN];
 571         FILE *f;
 572         int i;
 573
 574         for (i = 1; i <= 9; i++) {
 575                 snprintf(buf, sizeof(buf), "%s%scard%d.mcd",
 576                         get_home_dir(), MEMCARD_DIR, i);
 577
 578                 f = fopen(buf, "rb");
 579                 if (f == NULL) {
 580                         SysPrintf("Creating memcard: %s\n", buf);
 581                         CreateMcd(buf);
 582                 }
 583                 else
 584                         fclose(f);
 585         }
 586 }
 587
 588 int main(int argc, char *argv[])
 589 {
 590         char file[MAXPATHLEN] = "";
 591         char path[MAXPATHLEN];
 592         char isofilename[MAXPATHLEN];
 593         const char *cdfile = NULL;
 594         const char *loadst_f = NULL;
 595         int psxout = 0;
 596         int loadst = 0;
 597         int i;
 598
 599         emu_core_preinit();
 600
 601         // read command line options
 602         for (i = 1; i < argc; i++) {
 603                      if (!strcmp(argv[i], "-psxout")) psxout = 1;
 604                 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
 605                 else if (!strcmp(argv[i], "-cfg")) {
 606                         if (i+1 >= argc) break;
 607                         strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100);   /* TODO buffer overruns */
 608                         SysPrintf("Using config file %s.\n", cfgfile_basename);
 609                 }
 610                 else if (!strcmp(argv[i], "-cdfile")) {
 611                         if (i+1 >= argc) break;
 612                         strncpy(isofilename, argv[++i], MAXPATHLEN);
 613                         if (isofilename[0] != '/') {
 614                                 getcwd(path, MAXPATHLEN);
 615                                 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
 616                                         strcat(path, "/");
 617                                         strcat(path, isofilename);
 618                                         strcpy(isofilename, path);
 619                                 } else
 620                                         isofilename[0] = 0;
 621                         }
 622
 623                         cdfile = isofilename;
 624                 }
 625                 else if (!strcmp(argv[i], "-loadf")) {
 626                         if (i+1 >= argc) break;
 627                         loadst_f = argv[++i];
 628                 }
 629                 else if (!strcmp(argv[i], "-h") ||
 630                          !strcmp(argv[i], "-help") ||
 631                          !strcmp(argv[i], "--help")) {
 632                          printf("PCSX-ReARMed " REV "\n");
 633                          printf("%s\n", _(
 634                                                         " pcsx [options] [file]\n"
 635                                                         "\toptions:\n"
 636                                                         "\t-cdfile FILE\tRuns a CD image file\n"
 637                                                         "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
 638                                                         "\t-psxout\t\tEnable PSX output\n"
 639                                                         "\t-load STATENUM\tLoads savestate STATENUM (1-9)\n"
 640                                                         "\t-loadf FILE\tLoads savestate from FILE\n"
 641                                                         "\t-h -help\tDisplay this message\n"
 642                                                         "\tfile\t\tLoads a PSX EXE file\n"));
 643                          return 0;
 644                 } else {
 645                         strncpy(file, argv[i], MAXPATHLEN);
 646                         if (file[0] != '/') {
 647                                 getcwd(path, MAXPATHLEN);
 648                                 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
 649                                         strcat(path, "/");
 650                                         strcat(path, file);
 651                                         strcpy(file, path);
 652                                 } else
 653                                         file[0] = 0;
 654                         }
 655                 }
 656         }
 657
 658         if (cdfile)
 659                 set_cd_image(cdfile);
 660
 661         // frontend stuff
 662         // init input but leave probing to platform code,
 663         // they add input drivers and may need to modify them after probe
 664         in_init();
 665         pl_init();
 666         plat_init();
 667         menu_init(); // loads config
 668
 669         if (emu_core_init() != 0)
 670                 return 1;
 671
 672         if (psxout)
 673                 Config.PsxOut = 1;
 674
 675         if (LoadPlugins() == -1) {
 676                 // FIXME: this recovery doesn't work, just delete bad config and bail out
 677                 // SysMessage("could not load plugins, retrying with defaults\n");
 678                 set_default_paths();
 679                 snprintf(path, sizeof(path), "%s" PCSX_DOT_DIR "%s",
 680                         get_home_dir(), cfgfile_basename);
 681                 remove(path);
 682                 SysMessage("Failed loading plugins!");
 683                 return 1;
 684         }
 685         pcnt_hook_plugins();
 686
 687         if (OpenPlugins() == -1) {
 688                 return 1;
 689         }
 690
 691         CheckCdrom();
 692         plugin_call_rearmed_cbs();
 693         SysReset();
 694
 695         if (file[0] != '\0') {
 696                 if (Load(file) != -1)
 697                         ready_to_go = 1;
 698         } else {
 699                 if (cdfile)
 700                         ready_to_go = menu_load_cd_image(cdfile) == 0;
 701         }
 702
 703         if (loadst_f) {
 704                 int ret = LoadState(loadst_f);
 705                 SysPrintf("%s state file: %s\n",
 706                         ret ? "failed to load" : "loaded", loadst_f);
 707                 ready_to_go |= ret == 0;
 708         }
 709
 710         if (ready_to_go) {
 711                 menu_prepare_emu();
 712
 713                 // If a state slot has been specified, then load that
 714                 if (cdfile && loadst) {
 715                         int ret = emu_load_state(loadst - 1);
 716                         SysPrintf("%s state slot %d\n",
 717                                 ret ? "failed to load" : "loaded", loadst);
 718                 }
 719         }
 720         else
 721                 menu_loop();
 722
 723 #ifndef LIGHTREC_DEBUG
 724         pl_start_watchdog();
 725 #endif
 726
 727         while (!g_emu_want_quit)
 728         {
 729                 psxRegs.stop = 0;
 730                 emu_action = SACTION_NONE;
 731
 732                 psxCpu->Execute(&psxRegs);
 733                 if (emu_action != SACTION_NONE)
 734                         do_emu_action();
 735         }
 736
 737         printf("Exit..\n");
 738         ClosePlugins();
 739         SysClose();
 740         menu_finish();
 741         plat_finish();
 742
 743         return 0;
 744 }
 745
 746 static void toggle_fast_forward(int force_off)
 747 {
 748         static int fast_forward;
 749         static int normal_g_opts;
 750         static int normal_enhancement_enable;
 751         //static int normal_frameskip;
 752
 753         if (force_off && !fast_forward)
 754                 return;
 755
 756         fast_forward = !fast_forward;
 757         if (fast_forward) {
 758                 normal_g_opts = g_opts;
 759                 //normal_frameskip = pl_rearmed_cbs.frameskip;
 760                 normal_enhancement_enable =
 761                         pl_rearmed_cbs.gpu_neon.enhancement_enable;
 762
 763                 g_opts |= OPT_NO_FRAMELIM;
 764                 // pl_rearmed_cbs.frameskip = 3; // too broken
 765                 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
 766         } else {
 767                 g_opts = normal_g_opts;
 768                 //pl_rearmed_cbs.frameskip = normal_frameskip;
 769                 pl_rearmed_cbs.gpu_neon.enhancement_enable =
 770                         normal_enhancement_enable;
 771
 772                 pl_timing_prepare(Config.PsxType);
 773         }
 774
 775         if (!force_off)
 776                 snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
 777                         fast_forward ? "ON" : "OFF");
 778 }
 779
 780 static void SignalExit(int sig) {
 781         SysPrintf("got signal %d\n", sig);
 782         // only to restore framebuffer/resolution on some devices
 783         plat_finish();
 784         _exit(1);
 785 }
 786
 787 static int get_gameid_filename(char *buf, int size, const char *fmt, int i) {
 788         char trimlabel[33];
 789         int j;
 790
 791         strncpy(trimlabel, CdromLabel, 32);
 792         trimlabel[32] = 0;
 793         for (j = 31; j >= 0; j--)
 794                 if (trimlabel[j] == ' ')
 795                         trimlabel[j] = 0;
 796                 else
 797                         continue;
 798
 799         snprintf(buf, size, fmt, get_home_dir(), trimlabel, CdromId, i);
 800
 801         return 0;
 802 }
 803
 804 int get_state_filename(char *buf, int size, int i) {
 805         return get_gameid_filename(buf, size,
 806                 "%s" STATES_DIR "%.32s-%.9s.%3.3d", i);
 807 }
 808
 809 int emu_check_state(int slot)
 810 {
 811         char fname[MAXPATHLEN];
 812         int ret;
 813
 814         ret = get_state_filename(fname, sizeof(fname), slot);
 815         if (ret != 0)
 816                 return ret;
 817
 818         return CheckState(fname);
 819 }
 820
 821 int emu_save_state(int slot)
 822 {
 823         char fname[MAXPATHLEN];
 824         int ret;
 825
 826         ret = get_state_filename(fname, sizeof(fname), slot);
 827         if (ret != 0)
 828                 return ret;
 829
 830         ret = SaveState(fname);
 831 #if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(__SWITCH__) /* XXX GPH hack */
 832         sync();
 833 #endif
 834         SysPrintf("* %s \"%s\" [%d]\n",
 835                 ret == 0 ? "saved" : "failed to save", fname, slot);
 836         return ret;
 837 }
 838
 839 int emu_load_state(int slot)
 840 {
 841         char fname[MAXPATHLEN];
 842         int ret;
 843
 844         hud_msg[0] = 0;
 845
 846         ret = get_state_filename(fname, sizeof(fname), slot);
 847         if (ret != 0)
 848                 return ret;
 849
 850         return LoadState(fname);
 851 }
 852
 853 #endif // NO_FRONTEND
 854
 855 static void CALLBACK dummy_lace(void)
 856 {
 857 }
 858
 859 void SysReset() {
 860         // rearmed hack: EmuReset() runs some code when real BIOS is used,
 861         // but we usually do reset from menu while GPU is not open yet,
 862         // so we need to prevent updateLace() call..
 863         void *real_lace = GPU_updateLace;
 864         GPU_updateLace = dummy_lace;
 865         g_emu_resetting = 1;
 866
 867         // reset can run code, timing must be set
 868         pl_timing_prepare(Config.PsxType);
 869
 870         EmuReset();
 871
 872         GPU_updateLace = real_lace;
 873         g_emu_resetting = 0;
 874 }
 875
 876 void SysClose() {
 877         EmuShutdown();
 878         ReleasePlugins();
 879
 880         StopDebugger();
 881
 882         if (emuLog != NULL && emuLog != stdout && emuLog != stderr) {
 883                 fclose(emuLog);
 884                 emuLog = NULL;
 885         }
 886 }
 887
 888 #ifndef HAVE_LIBRETRO
 889 #ifndef ANDROID
 890
 891 void SysPrintf(const char *fmt, ...) {
 892         va_list list;
 893
 894         va_start(list, fmt);
 895         vfprintf(emuLog, fmt, list);
 896         va_end(list);
 897         fflush(emuLog);
 898 }
 899
 900 #else
 901
 902 #include <android/log.h>
 903
 904 void SysPrintf(const char *fmt, ...) {
 905         va_list list;
 906
 907         va_start(list, fmt);
 908         __android_log_vprint(ANDROID_LOG_INFO, "PCSX", fmt, list);
 909         va_end(list);
 910 }
 911
 912 #endif
 913 #endif /* HAVE_LIBRETRO */
 914
 915 void SysMessage(const char *fmt, ...) {
 916         va_list list;
 917         char msg[512];
 918         int ret;
 919
 920         va_start(list, fmt);
 921         ret = vsnprintf(msg, sizeof(msg), fmt, list);
 922         va_end(list);
 923
 924         if (ret < sizeof(msg) && msg[ret - 1] == '\n')
 925                 msg[ret - 1] = 0;
 926
 927         SysPrintf("%s\n", msg);
 928 }
 929
 930 #define PARSEPATH(dst, src) \
 931         ptr = src + strlen(src); \
 932         while (*ptr != '\\' && ptr != src) ptr--; \
 933         if (ptr != src) { \
 934                 strcpy(dst, ptr+1); \
 935         }
 936
 937 static int _OpenPlugins(void) {
 938         int ret;
 939
 940 #ifndef NO_FRONTEND
 941         signal(SIGINT, SignalExit);
 942         signal(SIGPIPE, SignalExit);
 943 #endif
 944
 945         ret = cdra_open();
 946         if (UsingIso() && ret < 0) { SysMessage(_("Error opening CD-ROM plugin!")); return -1; }
 947         ret = SPU_open();
 948         if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
 949         SPU_registerCallback(SPUirq);
 950         SPU_registerScheduleCb(SPUschedule);
 951         // pcsx-rearmed: we handle gpu elsewhere
 952         //ret = GPU_open(&gpuDisp, "PCSX", NULL);
 953         //if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
 954
 955         return 0;
 956 }
 957
 958 int OpenPlugins() {
 959         int ret;
 960
 961         while ((ret = _OpenPlugins()) == -2) {
 962                 ReleasePlugins();
 963                 LoadMcds(Config.Mcd1, Config.Mcd2);
 964                 if (LoadPlugins() == -1) return -1;
 965         }
 966         return ret;
 967 }
 968
 969 void ClosePlugins() {
 970         int ret;
 971
 972 #ifndef NO_FRONTEND
 973         signal(SIGINT, SIG_DFL);
 974         signal(SIGPIPE, SIG_DFL);
 975 #endif
 976
 977         cdra_close();
 978         ret = SPU_close();
 979         if (ret < 0) { SysMessage(_("Error closing SPU plugin!")); }
 980         // pcsx-rearmed: we handle gpu elsewhere
 981         //ret = GPU_close();
 982         //if (ret < 0) { SysMessage(_("Error closing GPU plugin!")); return; }
 983 }
 984
 985 /* we hook statically linked plugins here */
 986 static const char *builtin_plugins[] = {
 987         "builtin_gpu", "builtin_spu"
 988 };
 989
 990 static const int builtin_plugin_ids[] = {
 991         PLUGIN_GPU, PLUGIN_SPU
 992 };
 993
 994 void *SysLoadLibrary(const char *lib) {
 995         const char *tmp = strrchr(lib, '/');
 996         void *ret = NULL;
 997         int i;
 998
 999         SysPrintf("plugin: %s\n", lib);
1000
1001         if (tmp != NULL) {
1002                 tmp++;
1003                 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
1004                         if (strcmp(tmp, builtin_plugins[i]) == 0)
1005                                 return (void *)(uintptr_t)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
1006         }
1007
1008 #if !defined(_WIN32) && !defined(NO_DYLIB)
1009         ret = dlopen(lib, RTLD_NOW);
1010         if (ret == NULL)
1011                 SysMessage("dlopen: %s", dlerror());
1012 #else
1013         /* no external plugin support, abi is no longer
1014          * compatible with psemu/pcsx anyway */
1015 #endif
1016         return ret;
1017 }
1018
1019 void *SysLoadSym(void *lib, const char *sym) {
1020         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1021
1022         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1023                 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
1024
1025 #if !defined(_WIN32) && !defined(NO_DYLIB)
1026         return dlsym(lib, sym);
1027 #else
1028         return NULL;
1029 #endif
1030 }
1031
1032 const char *SysLibError() {
1033 #if defined(NO_DYLIB)
1034         return NULL;
1035 #elif !defined(_WIN32)
1036         return dlerror();
1037 #else
1038         return "not supported";
1039 #endif
1040 }
1041
1042 void SysCloseLibrary(void *lib) {
1043         unsigned int plugid = (unsigned int)(uintptr_t)lib;
1044
1045         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1046                 return;
1047
1048 #if !defined(_WIN32) && !defined(NO_DYLIB)
1049         dlclose(lib);
1050 #endif
1051 }