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 #ifndef _WIN32
  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.icache_emulation = 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_senquack.ilace_force = 0;
 134         pl_rearmed_cbs.gpu_senquack.pixel_skip = 0;
 135         pl_rearmed_cbs.gpu_senquack.lighting = 1;
 136         pl_rearmed_cbs.gpu_senquack.fast_lighting = 0;
 137         pl_rearmed_cbs.gpu_senquack.blending = 1;
 138         pl_rearmed_cbs.gpu_senquack.dithering = 0;
 139         pl_rearmed_cbs.gpu_unai.abe_hack =
 140         pl_rearmed_cbs.gpu_unai.no_light =
 141         pl_rearmed_cbs.gpu_unai.no_blend = 0;
 142         memset(&pl_rearmed_cbs.gpu_peopsgl, 0, sizeof(pl_rearmed_cbs.gpu_peopsgl));
 143         pl_rearmed_cbs.gpu_peopsgl.iVRamSize = 64;
 144         pl_rearmed_cbs.gpu_peopsgl.iTexGarbageCollection = 1;
 145
 146         spu_config.iUseReverb = 1;
 147         spu_config.iUseInterpolation = 1;
 148         spu_config.iXAPitch = 0;
 149         spu_config.iVolume = 768;
 150         spu_config.iTempo = 0;
 151         spu_config.iUseThread = 1; // no effect if only 1 core is detected
 152 #ifdef HAVE_PRE_ARMV7 /* XXX GPH hack */
 153         spu_config.iUseReverb = 0;
 154         spu_config.iUseInterpolation = 0;
 155         spu_config.iTempo = 1;
 156 #endif
 157         new_dynarec_hacks = 0;
 158         cycle_multiplier = 200;
 159
 160         in_type1 = PSE_PAD_TYPE_STANDARD;
 161         in_type2 = PSE_PAD_TYPE_STANDARD;
 162 }
 163
 164 void do_emu_action(void)
 165 {
 166         int ret;
 167
 168         emu_action_old = emu_action;
 169
 170         switch (emu_action) {
 171         case SACTION_LOAD_STATE:
 172                 ret = emu_load_state(state_slot);
 173                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "LOADED" : "FAIL!");
 174                 break;
 175         case SACTION_SAVE_STATE:
 176                 ret = emu_save_state(state_slot);
 177                 snprintf(hud_msg, sizeof(hud_msg), ret == 0 ? "SAVED" : "FAIL!");
 178                 break;
 179 #ifndef NO_FRONTEND
 180         case SACTION_ENTER_MENU:
 181                 toggle_fast_forward(1);
 182                 menu_loop();
 183                 return;
 184         case SACTION_NEXT_SSLOT:
 185                 state_slot++;
 186                 if (state_slot > 9)
 187                         state_slot = 0;
 188                 goto do_state_slot;
 189         case SACTION_PREV_SSLOT:
 190                 state_slot--;
 191                 if (state_slot < 0)
 192                         state_slot = 9;
 193 do_state_slot:
 194                 snprintf(hud_msg, sizeof(hud_msg), "STATE SLOT %d [%s]", state_slot,
 195                         emu_check_state(state_slot) == 0 ? "USED" : "FREE");
 196                 hud_new_msg = 3;
 197                 SysPrintf("* %s\n", hud_msg);
 198                 break;
 199         case SACTION_TOGGLE_FSKIP:
 200                 pl_rearmed_cbs.fskip_advice = 0;
 201                 pl_rearmed_cbs.frameskip++;
 202                 if (pl_rearmed_cbs.frameskip > 1)
 203                         pl_rearmed_cbs.frameskip = -1;
 204                 snprintf(hud_msg, sizeof(hud_msg), "FRAMESKIP: %s",
 205                         pl_rearmed_cbs.frameskip == -1 ? "AUTO" :
 206                         pl_rearmed_cbs.frameskip == 0 ? "OFF" : "1" );
 207                 plugin_call_rearmed_cbs();
 208                 break;
 209         case SACTION_SWITCH_DISPMODE:
 210                 pl_switch_dispmode();
 211                 plugin_call_rearmed_cbs();
 212                 if (GPU_open != NULL && GPU_close != NULL) {
 213                         GPU_close();
 214                         GPU_open(&gpuDisp, "PCSX", NULL);
 215                 }
 216                 break;
 217         case SACTION_FAST_FORWARD:
 218                 toggle_fast_forward(0);
 219                 plugin_call_rearmed_cbs();
 220                 break;
 221         case SACTION_TOGGLE_FPS:
 222                 if ((g_opts & (OPT_SHOWFPS|OPT_SHOWCPU))
 223                     == (OPT_SHOWFPS|OPT_SHOWCPU))
 224                         g_opts &= ~(OPT_SHOWFPS|OPT_SHOWCPU);
 225                 else if (g_opts & OPT_SHOWFPS)
 226                         g_opts |= OPT_SHOWCPU;
 227                 else
 228                         g_opts |= OPT_SHOWFPS;
 229                 break;
 230         case SACTION_TOGGLE_FULLSCREEN:
 231                 plat_target.vout_fullscreen = !plat_target.vout_fullscreen;
 232                 if (GPU_open != NULL && GPU_close != NULL) {
 233                         GPU_close();
 234                         GPU_open(&gpuDisp, "PCSX", NULL);
 235                 }
 236                 break;
 237         case SACTION_SCREENSHOT:
 238                 {
 239                         char buf[MAXPATHLEN];
 240                         void *scrbuf;
 241                         int w, h, bpp;
 242                         time_t t = time(NULL);
 243                         struct tm *tb = localtime(&t);
 244                         int ti = tb->tm_yday * 1000000 + tb->tm_hour * 10000 +
 245                                 tb->tm_min * 100 + tb->tm_sec;
 246
 247                         scrbuf = pl_prepare_screenshot(&w, &h, &bpp);
 248                         get_gameid_filename(buf, sizeof(buf),
 249                                 "screenshots/%.32s-%.9s.%d.png", ti);
 250                         ret = -1;
 251                         if (scrbuf != 0 && bpp == 16)
 252                                 ret = writepng(buf, scrbuf, w, h);
 253                         if (ret == 0)
 254                                 snprintf(hud_msg, sizeof(hud_msg), "SCREENSHOT TAKEN");
 255                         break;
 256                 }
 257         case SACTION_VOLUME_UP:
 258         case SACTION_VOLUME_DOWN:
 259                 {
 260                         static int volume;
 261                         plat_target_step_volume(&volume,
 262                                 emu_action == SACTION_VOLUME_UP ? 1 : -1);
 263                 }
 264                 return;
 265         case SACTION_MINIMIZE:
 266                 if (GPU_close != NULL)
 267                         GPU_close();
 268
 269                 plat_minimize();
 270
 271                 if (GPU_open != NULL) {
 272                         ret = GPU_open(&gpuDisp, "PCSX", NULL);
 273                         if (ret)
 274                                 SysMessage("GPU_open returned %d", ret);
 275                 }
 276                 return;
 277 #endif
 278         default:
 279                 return;
 280         }
 281
 282         hud_new_msg = 3;
 283 }
 284
 285 static char basic_lcase(char c)
 286 {
 287         if ('A' <= c && c <= 'Z')
 288                 return c - 'A' + 'a';
 289         return c;
 290 }
 291
 292 static int cdidcmp(const char *id1, const char *id2)
 293 {
 294         while (*id1 != 0 && *id2 != 0) {
 295                 if (*id1 == '_') { id1++; continue; }
 296                 if (*id2 == '_') { id2++; continue; }
 297                 if (basic_lcase(*id1) != basic_lcase(*id2))
 298                         break;
 299                 id1++;
 300                 id2++;
 301         }
 302
 303         return *id1 - *id2;
 304 }
 305
 306 static void parse_cwcheat(void)
 307 {
 308         char line[256], buf[64], name[64], *p;
 309         int newcheat = 1;
 310         u32 a, v;
 311         FILE *f;
 312
 313         f = fopen("cheatpops.db", "r");
 314         if (f == NULL)
 315                 return;
 316
 317         /* find the game */
 318         while (fgets(line, sizeof(line), f)) {
 319                 if (sscanf(line, "_S %63s", buf) != 1)
 320                         continue;
 321                 if (cdidcmp(buf, CdromId) == 0)
 322                         break;
 323         }
 324
 325         if (feof(f))
 326                 goto out;
 327
 328         SysPrintf("cwcheat section found for %s\n", CdromId);
 329         while (fgets(line, sizeof(line), f))
 330         {
 331                 p = line + strlen(line);
 332                 for (p--; p >= line && (*p == '\r' || *p == '\n' || *p == ' '); p--)
 333                         *p = 0;
 334                 if (*p == 0 || *p == '#' || *p == ';')
 335                         continue;
 336
 337                 if (strncmp(line, "_S", 2) == 0)
 338                         break;
 339                 if (strncmp(line, "_G", 2) == 0) {
 340                         SysPrintf("  cwcheat game name: '%s'\n", line + 3);
 341                         continue;
 342                 }
 343                 if (strncmp(line, "_C0", 3) == 0) {
 344                         if (!newcheat && Cheats[NumCheats - 1].n == 0) {
 345                                 SysPrintf("cheat '%s' failed to parse\n", name);
 346                                 free(Cheats[NumCheats - 1].Descr);
 347                                 NumCheats--;
 348                         }
 349                         snprintf(name, sizeof(name), "%s", line + 4);
 350                         newcheat = 1;
 351                         continue;
 352                 }
 353                 if (sscanf(line, "_L %x %x", &a, &v) != 2) {
 354                         SysPrintf("line failed to parse: '%s'\n", line);
 355                         continue;
 356                 }
 357
 358                 if (newcheat) {
 359                         if (NumCheats >= NumCheatsAllocated) {
 360                                 NumCheatsAllocated += 16;
 361                                 Cheats = realloc(Cheats, sizeof(Cheat) *
 362                                                 NumCheatsAllocated);
 363                                 if (Cheats == NULL)
 364                                         break;
 365                         }
 366                         Cheats[NumCheats].Descr = strdup(name);
 367                         Cheats[NumCheats].Enabled = 0;
 368                         Cheats[NumCheats].WasEnabled = 0;
 369                         Cheats[NumCheats].First = NumCodes;
 370                         Cheats[NumCheats].n = 0;
 371                         NumCheats++;
 372                         newcheat = 0;
 373                 }
 374
 375                 if (NumCodes >= NumCodesAllocated) {
 376                         NumCodesAllocated += 16;
 377                         CheatCodes = realloc(CheatCodes, sizeof(CheatCode) *
 378                                 NumCodesAllocated);
 379                         if (CheatCodes == NULL)
 380                                 break;
 381                 }
 382                 CheatCodes[NumCodes].Addr = a;
 383                 CheatCodes[NumCodes].Val = v;
 384                 NumCodes++;
 385                 Cheats[NumCheats - 1].n++;
 386         }
 387
 388 out:
 389         fclose(f);
 390 }
 391
 392 void emu_on_new_cd(int show_hud_msg)
 393 {
 394         ClearAllCheats();
 395         parse_cwcheat();
 396
 397         if (Config.HLE) {
 398                 SysPrintf("note: running with HLE BIOS, expect compatibility problems\n");
 399                 SysPrintf("----------------------------------------------------------\n");
 400         }
 401
 402         if (show_hud_msg) {
 403                 snprintf(hud_msg, sizeof(hud_msg), BOOT_MSG);
 404                 hud_new_msg = 3;
 405         }
 406 }
 407
 408 int emu_core_preinit(void)
 409 {
 410         // what is the name of the config file?
 411         // it may be redefined by -cfg on the command line
 412         strcpy(cfgfile_basename, "pcsx.cfg");
 413
 414 #ifdef IOS
 415         emuLog = fopen("/User/Documents/pcsxr.log", "w");
 416         if (emuLog == NULL)
 417                 emuLog = fopen("pcsxr.log", "w");
 418         if (emuLog == NULL)
 419 #endif
 420         emuLog = stdout;
 421
 422         SetIsoFile(NULL);
 423
 424         memset(&Config, 0, sizeof(Config));
 425
 426         set_default_paths();
 427         emu_set_default_config();
 428         strcpy(Config.Bios, "HLE");
 429
 430         return 0;
 431 }
 432
 433 int emu_core_init(void)
 434 {
 435         SysPrintf("Starting PCSX-ReARMed " REV "\n");
 436
 437 #ifndef NO_FRONTEND
 438         check_profile();
 439         check_memcards();
 440 #endif
 441
 442         if (EmuInit() == -1) {
 443                 SysPrintf("PSX emulator couldn't be initialized.\n");
 444                 return -1;
 445         }
 446
 447         LoadMcds(Config.Mcd1, Config.Mcd2);
 448
 449         if (Config.Debug) {
 450                 StartDebugger();
 451         }
 452
 453         return 0;
 454 }
 455
 456 void emu_core_ask_exit(void)
 457 {
 458         stop = 1;
 459         g_emu_want_quit = 1;
 460 }
 461
 462 #ifndef NO_FRONTEND
 463
 464 #include <sys/stat.h>
 465 #include <sys/types.h>
 466
 467 static void create_profile_dir(const char *directory) {
 468         char path[MAXPATHLEN];
 469
 470         MAKE_PATH(path, directory, NULL);
 471         mkdir(path, S_IRWXU | S_IRWXG);
 472 }
 473
 474 static void check_profile(void) {
 475         // make sure that ~/.pcsx exists
 476         create_profile_dir(PCSX_DOT_DIR);
 477
 478         create_profile_dir(BIOS_DIR);
 479         create_profile_dir(MEMCARD_DIR);
 480         create_profile_dir(STATES_DIR);
 481         create_profile_dir(PLUGINS_DIR);
 482         create_profile_dir(PLUGINS_CFG_DIR);
 483         create_profile_dir(CHEATS_DIR);
 484         create_profile_dir(PATCHES_DIR);
 485         create_profile_dir(PCSX_DOT_DIR "cfg");
 486         create_profile_dir("/screenshots/");
 487 }
 488
 489 static void check_memcards(void)
 490 {
 491         char buf[MAXPATHLEN];
 492         FILE *f;
 493         int i;
 494
 495         for (i = 1; i <= 9; i++) {
 496                 snprintf(buf, sizeof(buf), ".%scard%d.mcd", MEMCARD_DIR, i);
 497
 498                 f = fopen(buf, "rb");
 499                 if (f == NULL) {
 500                         SysPrintf("Creating memcard: %s\n", buf);
 501                         CreateMcd(buf);
 502                 }
 503                 else
 504                         fclose(f);
 505         }
 506 }
 507
 508 int main(int argc, char *argv[])
 509 {
 510         char file[MAXPATHLEN] = "";
 511         char path[MAXPATHLEN];
 512         const char *cdfile = NULL;
 513         const char *loadst_f = NULL;
 514         int psxout = 0;
 515         int loadst = 0;
 516         int i;
 517
 518         emu_core_preinit();
 519
 520         // read command line options
 521         for (i = 1; i < argc; i++) {
 522                      if (!strcmp(argv[i], "-psxout")) psxout = 1;
 523                 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
 524                 else if (!strcmp(argv[i], "-cfg")) {
 525                         if (i+1 >= argc) break;
 526                         strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100);   /* TODO buffer overruns */
 527                         SysPrintf("Using config file %s.\n", cfgfile_basename);
 528                 }
 529                 else if (!strcmp(argv[i], "-cdfile")) {
 530                         char isofilename[MAXPATHLEN];
 531
 532                         if (i+1 >= argc) break;
 533                         strncpy(isofilename, argv[++i], MAXPATHLEN);
 534                         if (isofilename[0] != '/') {
 535                                 getcwd(path, MAXPATHLEN);
 536                                 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
 537                                         strcat(path, "/");
 538                                         strcat(path, isofilename);
 539                                         strcpy(isofilename, path);
 540                                 } else
 541                                         isofilename[0] = 0;
 542                         }
 543
 544                         cdfile = isofilename;
 545                 }
 546                 else if (!strcmp(argv[i], "-loadf")) {
 547                         if (i+1 >= argc) break;
 548                         loadst_f = argv[++i];
 549                 }
 550                 else if (!strcmp(argv[i], "-h") ||
 551                          !strcmp(argv[i], "-help") ||
 552                          !strcmp(argv[i], "--help")) {
 553                          printf("PCSX-ReARMed " REV "\n");
 554                          printf("%s\n", _(
 555                                                         " pcsx [options] [file]\n"
 556                                                         "\toptions:\n"
 557                                                         "\t-cdfile FILE\tRuns a CD image file\n"
 558                                                         "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
 559                                                         "\t-psxout\t\tEnable PSX output\n"
 560                                                         "\t-load STATENUM\tLoads savestate STATENUM (1-5)\n"
 561                                                         "\t-h -help\tDisplay this message\n"
 562                                                         "\tfile\t\tLoads a PSX EXE file\n"));
 563                          return 0;
 564                 } else {
 565                         strncpy(file, argv[i], MAXPATHLEN);
 566                         if (file[0] != '/') {
 567                                 getcwd(path, MAXPATHLEN);
 568                                 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
 569                                         strcat(path, "/");
 570                                         strcat(path, file);
 571                                         strcpy(file, path);
 572                                 } else
 573                                         file[0] = 0;
 574                         }
 575                 }
 576         }
 577
 578         if (cdfile)
 579                 set_cd_image(cdfile);
 580
 581         // frontend stuff
 582         // init input but leave probing to platform code,
 583         // they add input drivers and may need to modify them after probe
 584         in_init();
 585         pl_init();
 586         plat_init();
 587         menu_init(); // loads config
 588
 589         if (emu_core_init() != 0)
 590                 return 1;
 591
 592         if (psxout)
 593                 Config.PsxOut = 1;
 594
 595         if (LoadPlugins() == -1) {
 596                 // FIXME: this recovery doesn't work, just delete bad config and bail out
 597                 // SysMessage("could not load plugins, retrying with defaults\n");
 598                 set_default_paths();
 599                 snprintf(path, sizeof(path), "." PCSX_DOT_DIR "%s", cfgfile_basename);
 600                 remove(path);
 601                 SysMessage("Failed loading plugins!");
 602                 return 1;
 603         }
 604         pcnt_hook_plugins();
 605
 606         if (OpenPlugins() == -1) {
 607                 return 1;
 608         }
 609         plugin_call_rearmed_cbs();
 610
 611         CheckCdrom();
 612         SysReset();
 613
 614         if (file[0] != '\0') {
 615                 if (Load(file) != -1)
 616                         ready_to_go = 1;
 617         } else {
 618                 if (cdfile) {
 619                         if (LoadCdrom() == -1) {
 620                                 ClosePlugins();
 621                                 SysPrintf(_("Could not load CD-ROM!\n"));
 622                                 return -1;
 623                         }
 624                         emu_on_new_cd(!loadst);
 625                         ready_to_go = 1;
 626                 }
 627         }
 628
 629         if (loadst_f) {
 630                 int ret = LoadState(loadst_f);
 631                 SysPrintf("%s state file: %s\n",
 632                         ret ? "failed to load" : "loaded", loadst_f);
 633                 ready_to_go |= ret == 0;
 634         }
 635
 636         if (ready_to_go) {
 637                 menu_prepare_emu();
 638
 639                 // If a state has been specified, then load that
 640                 if (loadst) {
 641                         int ret = emu_load_state(loadst - 1);
 642                         SysPrintf("%s state %d\n",
 643                                 ret ? "failed to load" : "loaded", loadst);
 644                 }
 645         }
 646         else
 647                 menu_loop();
 648
 649         pl_start_watchdog();
 650
 651         while (!g_emu_want_quit)
 652         {
 653                 stop = 0;
 654                 emu_action = SACTION_NONE;
 655
 656                 psxCpu->Execute();
 657                 if (emu_action != SACTION_NONE)
 658                         do_emu_action();
 659         }
 660
 661         printf("Exit..\n");
 662         ClosePlugins();
 663         SysClose();
 664         menu_finish();
 665         plat_finish();
 666
 667         return 0;
 668 }
 669
 670 static void toggle_fast_forward(int force_off)
 671 {
 672         static int fast_forward;
 673         static int normal_g_opts;
 674         static int normal_frameskip;
 675         static int normal_enhancement_enable;
 676
 677         if (force_off && !fast_forward)
 678                 return;
 679
 680         fast_forward = !fast_forward;
 681         if (fast_forward) {
 682                 normal_g_opts = g_opts;
 683                 normal_frameskip = pl_rearmed_cbs.frameskip;
 684                 normal_enhancement_enable =
 685                         pl_rearmed_cbs.gpu_neon.enhancement_enable;
 686
 687                 g_opts |= OPT_NO_FRAMELIM;
 688                 pl_rearmed_cbs.frameskip = 3;
 689                 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
 690         } else {
 691                 g_opts = normal_g_opts;
 692                 pl_rearmed_cbs.frameskip = normal_frameskip;
 693                 pl_rearmed_cbs.gpu_neon.enhancement_enable =
 694                         normal_enhancement_enable;
 695
 696                 pl_timing_prepare(Config.PsxType);
 697         }
 698
 699         if (!force_off)
 700                 snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
 701                         fast_forward ? "ON" : "OFF");
 702 }
 703
 704 static void SignalExit(int sig) {
 705         // only to restore framebuffer/resolution on some devices
 706         plat_finish();
 707         exit(1);
 708 }
 709 #endif
 710
 711 void SysRunGui() {
 712         printf("SysRunGui\n");
 713 }
 714
 715 static void dummy_lace()
 716 {
 717 }
 718
 719 void SysReset() {
 720         // rearmed hack: EmuReset() runs some code when real BIOS is used,
 721         // but we usually do reset from menu while GPU is not open yet,
 722         // so we need to prevent updateLace() call..
 723         void *real_lace = GPU_updateLace;
 724         GPU_updateLace = dummy_lace;
 725         g_emu_resetting = 1;
 726
 727         // reset can run code, timing must be set
 728         pl_timing_prepare(Config.PsxType);
 729
 730         EmuReset();
 731
 732         // hmh core forgets this
 733         CDR_stop();
 734
 735         GPU_updateLace = real_lace;
 736         g_emu_resetting = 0;
 737 }
 738
 739 void SysClose() {
 740         EmuShutdown();
 741         ReleasePlugins();
 742
 743         StopDebugger();
 744
 745         if (emuLog != NULL && emuLog != stdout && emuLog != stderr) {
 746                 fclose(emuLog);
 747                 emuLog = NULL;
 748         }
 749 }
 750
 751 void SysUpdate() {
 752 }
 753
 754 int get_state_filename(char *buf, int size, int i) {
 755         return get_gameid_filename(buf, size,
 756                 "." STATES_DIR "%.32s-%.9s.%3.3d", i);
 757 }
 758
 759 int emu_check_state(int slot)
 760 {
 761         char fname[MAXPATHLEN];
 762         int ret;
 763
 764         ret = get_state_filename(fname, sizeof(fname), slot);
 765         if (ret != 0)
 766                 return ret;
 767
 768         return CheckState(fname);
 769 }
 770
 771 int emu_save_state(int slot)
 772 {
 773         char fname[MAXPATHLEN];
 774         int ret;
 775
 776         ret = get_state_filename(fname, sizeof(fname), slot);
 777         if (ret != 0)
 778                 return ret;
 779
 780         ret = SaveState(fname);
 781 #ifdef HAVE_PRE_ARMV7 /* XXX GPH hack */
 782         sync();
 783 #endif
 784         SysPrintf("* %s \"%s\" [%d]\n",
 785                 ret == 0 ? "saved" : "failed to save", fname, slot);
 786         return ret;
 787 }
 788
 789 int emu_load_state(int slot)
 790 {
 791         char fname[MAXPATHLEN];
 792         int ret;
 793
 794         hud_msg[0] = 0;
 795
 796         ret = get_state_filename(fname, sizeof(fname), slot);
 797         if (ret != 0)
 798                 return ret;
 799
 800         return LoadState(fname);
 801 }
 802
 803 #ifndef ANDROID
 804
 805 void SysPrintf(const char *fmt, ...) {
 806         va_list list;
 807
 808         va_start(list, fmt);
 809         vfprintf(emuLog, fmt, list);
 810         va_end(list);
 811         fflush(emuLog);
 812 }
 813
 814 #else
 815
 816 #include <android/log.h>
 817
 818 void SysPrintf(const char *fmt, ...) {
 819         va_list list;
 820
 821         va_start(list, fmt);
 822         __android_log_vprint(ANDROID_LOG_INFO, "PCSX", fmt, list);
 823         va_end(list);
 824 }
 825
 826 #endif
 827
 828 void SysMessage(const char *fmt, ...) {
 829         va_list list;
 830         char msg[512];
 831         int ret;
 832
 833         va_start(list, fmt);
 834         ret = vsnprintf(msg, sizeof(msg), fmt, list);
 835         va_end(list);
 836
 837         if (ret < sizeof(msg) && msg[ret - 1] == '\n')
 838                 msg[ret - 1] = 0;
 839
 840         SysPrintf("%s\n", msg);
 841 }
 842
 843 #define PARSEPATH(dst, src) \
 844         ptr = src + strlen(src); \
 845         while (*ptr != '\\' && ptr != src) ptr--; \
 846         if (ptr != src) { \
 847                 strcpy(dst, ptr+1); \
 848         }
 849
 850 static int _OpenPlugins(void) {
 851         int ret;
 852
 853 #ifndef NO_FRONTEND
 854         signal(SIGINT, SignalExit);
 855         signal(SIGPIPE, SignalExit);
 856 #endif
 857
 858         GPU_clearDynarec(clearDynarec);
 859
 860         ret = CDR_open();
 861         if (ret < 0) { SysMessage(_("Error opening CD-ROM plugin!")); return -1; }
 862         ret = SPU_open();
 863         if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
 864         SPU_registerCallback(SPUirq);
 865         SPU_registerScheduleCb(SPUschedule);
 866         // pcsx-rearmed: we handle gpu elsewhere
 867         //ret = GPU_open(&gpuDisp, "PCSX", NULL);
 868         //if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
 869         ret = PAD1_open(&gpuDisp);
 870         if (ret < 0) { SysMessage(_("Error opening Controller 1 plugin!")); return -1; }
 871         ret = PAD2_open(&gpuDisp);
 872         if (ret < 0) { SysMessage(_("Error opening Controller 2 plugin!")); return -1; }
 873
 874         if (Config.UseNet && !NetOpened) {
 875                 netInfo info;
 876                 char path[MAXPATHLEN];
 877                 char dotdir[MAXPATHLEN];
 878
 879                 MAKE_PATH(dotdir, "/.pcsx/plugins/", NULL);
 880
 881                 strcpy(info.EmuName, "PCSX");
 882                 strncpy(info.CdromID, CdromId, 9);
 883                 strncpy(info.CdromLabel, CdromLabel, 9);
 884                 info.psxMem = psxM;
 885                 info.GPU_showScreenPic = GPU_showScreenPic;
 886                 info.GPU_displayText = GPU_displayText;
 887                 info.GPU_showScreenPic = GPU_showScreenPic;
 888                 info.PAD_setSensitive = PAD1_setSensitive;
 889                 sprintf(path, "%s%s", Config.BiosDir, Config.Bios);
 890                 strcpy(info.BIOSpath, path);
 891                 strcpy(info.MCD1path, Config.Mcd1);
 892                 strcpy(info.MCD2path, Config.Mcd2);
 893                 sprintf(path, "%s%s", dotdir, Config.Gpu);
 894                 strcpy(info.GPUpath, path);
 895                 sprintf(path, "%s%s", dotdir, Config.Spu);
 896                 strcpy(info.SPUpath, path);
 897                 sprintf(path, "%s%s", dotdir, Config.Cdr);
 898                 strcpy(info.CDRpath, path);
 899                 NET_setInfo(&info);
 900
 901                 ret = NET_open(&gpuDisp);
 902                 if (ret < 0) {
 903                         if (ret == -2) {
 904                                 // -2 is returned when something in the info
 905                                 // changed and needs to be synced
 906                                 char *ptr;
 907
 908                                 PARSEPATH(Config.Bios, info.BIOSpath);
 909                                 PARSEPATH(Config.Gpu,  info.GPUpath);
 910                                 PARSEPATH(Config.Spu,  info.SPUpath);
 911                                 PARSEPATH(Config.Cdr,  info.CDRpath);
 912
 913                                 strcpy(Config.Mcd1, info.MCD1path);
 914                                 strcpy(Config.Mcd2, info.MCD2path);
 915                                 return -2;
 916                         } else {
 917                                 Config.UseNet = FALSE;
 918                         }
 919                 } else {
 920                         if (NET_queryPlayer() == 1) {
 921                                 if (SendPcsxInfo() == -1) Config.UseNet = FALSE;
 922                         } else {
 923                                 if (RecvPcsxInfo() == -1) Config.UseNet = FALSE;
 924                         }
 925                 }
 926                 NetOpened = TRUE;
 927         } else if (Config.UseNet) {
 928                 NET_resume();
 929         }
 930
 931         return 0;
 932 }
 933
 934 int OpenPlugins() {
 935         int ret;
 936
 937         while ((ret = _OpenPlugins()) == -2) {
 938                 ReleasePlugins();
 939                 LoadMcds(Config.Mcd1, Config.Mcd2);
 940                 if (LoadPlugins() == -1) return -1;
 941         }
 942         return ret;
 943 }
 944
 945 void ClosePlugins() {
 946         int ret;
 947
 948 #ifndef NO_FRONTEND
 949         signal(SIGINT, SIG_DFL);
 950         signal(SIGPIPE, SIG_DFL);
 951 #endif
 952
 953         ret = CDR_close();
 954         if (ret < 0) { SysMessage(_("Error closing CD-ROM plugin!")); return; }
 955         ret = SPU_close();
 956         if (ret < 0) { SysMessage(_("Error closing SPU plugin!")); return; }
 957         ret = PAD1_close();
 958         if (ret < 0) { SysMessage(_("Error closing Controller 1 Plugin!")); return; }
 959         ret = PAD2_close();
 960         if (ret < 0) { SysMessage(_("Error closing Controller 2 plugin!")); return; }
 961         // pcsx-rearmed: we handle gpu elsewhere
 962         //ret = GPU_close();
 963         //if (ret < 0) { SysMessage(_("Error closing GPU plugin!")); return; }
 964
 965         if (Config.UseNet) {
 966                 NET_pause();
 967         }
 968 }
 969
 970 /* we hook statically linked plugins here */
 971 static const char *builtin_plugins[] = {
 972         "builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
 973         "builtin_cdrcimg",
 974 };
 975
 976 static const int builtin_plugin_ids[] = {
 977         PLUGIN_GPU, PLUGIN_SPU, PLUGIN_CDR, PLUGIN_PAD,
 978         PLUGIN_CDRCIMG,
 979 };
 980
 981 void *SysLoadLibrary(const char *lib) {
 982         const char *tmp = strrchr(lib, '/');
 983         void *ret = NULL;
 984         int i;
 985
 986         SysPrintf("plugin: %s\n", lib);
 987
 988         if (tmp != NULL) {
 989                 tmp++;
 990                 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
 991                         if (strcmp(tmp, builtin_plugins[i]) == 0)
 992                                 return (void *)(long)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
 993         }
 994
 995 #ifndef _WIN32
 996         ret = dlopen(lib, RTLD_NOW);
 997         if (ret == NULL)
 998                 SysMessage("dlopen: %s", dlerror());
 999 #else
1000         /* no external plugin support, abi is no longer
1001          * compatible with psemu/pcsx anyway */
1002 #endif
1003         return ret;
1004 }
1005
1006 void *SysLoadSym(void *lib, const char *sym) {
1007         unsigned int plugid = (unsigned int)(long)lib;
1008
1009         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1010                 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
1011
1012 #ifndef _WIN32
1013         return dlsym(lib, sym);
1014 #else
1015         return NULL;
1016 #endif
1017 }
1018
1019 const char *SysLibError() {
1020 #ifndef _WIN32
1021         return dlerror();
1022 #else
1023         return "not supported";
1024 #endif
1025 }
1026
1027 void SysCloseLibrary(void *lib) {
1028         unsigned int plugid = (unsigned int)(long)lib;
1029
1030         if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1031                 return;
1032
1033 #ifndef _WIN32
1034         dlclose(lib);
1035 #endif
1036 }
1037