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[pcsx_rearmed.git] / frontend / main.c
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CommitLineData
1/*
2 * (C) notaz, 2010-2012
3 *
4 * This work is licensed under the terms of the GNU GPLv2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#include <stdio.h>
9#include <string.h>
10#include <stdarg.h>
11#include <unistd.h>
12#include <signal.h>
13#include <time.h>
14#if !defined(_WIN32) && !defined(NO_DYLIB)
15#include <dlfcn.h>
16#endif
17#ifdef HAVE_RTHREADS
18#include "../frontend/pcsxr-threads.h"
19#endif
20
21#include "main.h"
22#include "plugin.h"
23#include "plugin_lib.h"
24#include "pcnt.h"
25#include "menu.h"
26#include "plat.h"
27#include "../libpcsxcore/misc.h"
28#include "../libpcsxcore/cheat.h"
29#include "../libpcsxcore/sio.h"
30#include "../libpcsxcore/database.h"
31#include "../libpcsxcore/cdrom-async.h"
32#include "../libpcsxcore/new_dynarec/new_dynarec.h"
33#include "../plugins/cdrcimg/cdrcimg.h"
34#include "../plugins/dfsound/spu_config.h"
35#include "arm_features.h"
36#include "revision.h"
37
38#if defined(__EMSCRIPTEN__)
39#define DO_CPU_CHECKS 0
40#elif defined(__has_builtin)
41#define DO_CPU_CHECKS __has_builtin(__builtin_cpu_init)
42#elif defined(__x86_64__) || defined(__i386__)
43#define DO_CPU_CHECKS 1
44#else
45#define DO_CPU_CHECKS 0
46#endif
47
48#ifndef NO_FRONTEND
49#include <sys/stat.h>
50#include "libpicofe/input.h"
51#include "libpicofe/plat.h"
52#include "libpicofe/readpng.h"
53
54static void toggle_fast_forward(int force_off);
55static void check_profile(void);
56static void check_memcards(void);
57static int get_gameid_filename(char *buf, int size, const char *fmt, int i);
58static 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)
68static void StartDebugger() {}
69static void StopDebugger() {}
70
71int ready_to_go, g_emu_want_quit, g_emu_resetting;
72unsigned long gpuDisp;
73char cfgfile_basename[MAXPATHLEN];
74int state_slot;
75enum sched_action emu_action, emu_action_old;
76char hud_msg[64];
77int hud_new_msg;
78
79void set_cd_image(const char *fname)
80{
81 SetIsoFile(fname);
82}
83
84static 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
108void 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
160void 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;
188do_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
287static char basic_lcase(char c)
288{
289 if ('A' <= c && c <= 'Z')
290 return c - 'A' + 'a';
291 return c;
292}
293
294static 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
308static 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
390out:
391 fclose(f);
392}
393
394void 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
416static 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
434int emu_core_preinit(void)
435{
436 // what is the name of the config file?
437 // it may be redefined by -cfg on the command line
438 strcpy(cfgfile_basename, "pcsx.cfg");
439
440 log_wrong_cpu();
441
442 SetIsoFile(NULL);
443
444 memset(&Config, 0, sizeof(Config));
445
446 set_default_paths();
447 emu_set_default_config();
448 strcpy(Config.Bios, "HLE");
449
450 return 0;
451}
452
453int emu_core_init(void)
454{
455 SysPrintf("Starting PCSX-ReARMed " REV " (%s)\n", get_build_info());
456 SysPrintf("build time: " __DATE__ " " __TIME__ "\n");
457
458#if defined(__arm__) && defined(__ARM_FP)
459 // RunFast mode
460 u32 fpscr = ~0;
461 __asm__ volatile("vmrs %0, fpscr" : "=r"(fpscr));
462 SysPrintf("old fpscr = %08x\n", fpscr);
463 fpscr &= ~0x00009f9f;
464 fpscr |= 0x03000000; // DN | FZ
465 __asm__ volatile("vmsr fpscr, %0" :: "r"(fpscr));
466#endif
467
468#ifdef HAVE_RTHREADS
469 pcsxr_sthread_init();
470#endif
471#ifndef NO_FRONTEND
472 check_profile();
473 check_memcards();
474#endif
475
476 if (EmuInit() == -1) {
477 SysPrintf("PSX emulator couldn't be initialized.\n");
478 return -1;
479 }
480
481 LoadMcds(Config.Mcd1, Config.Mcd2);
482
483 if (Config.Debug) {
484 StartDebugger();
485 }
486
487 return 0;
488}
489
490void emu_core_ask_exit(void)
491{
492 psxRegs.stop++;
493 g_emu_want_quit = 1;
494}
495
496#ifndef NO_FRONTEND
497
498#include <sys/stat.h>
499#include <sys/types.h>
500
501static const char *get_home_dir(void)
502{
503#if defined(PANDORA) || !defined(__unix__) || defined(MIYOO)
504 return ".";
505#else
506 static const char *home = NULL;
507 struct stat st;
508 if (home)
509 return home;
510 // for compatibility with older versions, look for .pcsx in the working dir
511 if (stat(PCSX_DOT_DIR + 1, &st) != 0)
512 home = getenv("HOME");
513 if (home == NULL)
514 home = ".";
515 return home;
516#endif
517}
518
519void emu_make_path(char *buf, size_t size, const char *dir, const char *fname)
520{
521 const char *home = get_home_dir();
522 if (fname)
523 snprintf(buf, size, "%s%s%s", home, dir, fname);
524 else
525 snprintf(buf, size, "%s%s", home, dir);
526}
527
528void emu_make_data_path(char *buff, const char *end, int size)
529{
530 int pos, end_len;
531
532 end_len = strlen(end);
533 pos = plat_get_root_dir(buff, size);
534 strncpy(buff + pos, end, size - pos);
535 buff[size - 1] = 0;
536 if (pos + end_len > size - 1)
537 printf("Warning: path truncated: %s\n", buff);
538}
539
540static void create_profile_dir(const char *directory) {
541 char path[MAXPATHLEN];
542
543 MAKE_PATH(path, directory, NULL);
544 mkdir(path, S_IRWXU | S_IRWXG);
545}
546
547static void check_profile(void) {
548 // make sure that ~/.pcsx exists
549 create_profile_dir(PCSX_DOT_DIR);
550
551 create_profile_dir(BIOS_DIR);
552 create_profile_dir(MEMCARD_DIR);
553 create_profile_dir(STATES_DIR);
554 create_profile_dir(CHEATS_DIR);
555 create_profile_dir(PATCHES_DIR);
556 create_profile_dir(CFG_DIR);
557 create_profile_dir(SCREENSHOTS_DIR);
558}
559
560static void check_memcards(void)
561{
562 char buf[MAXPATHLEN];
563 FILE *f;
564 int i;
565
566 for (i = 1; i <= 9; i++) {
567 snprintf(buf, sizeof(buf), "%s%scard%d.mcd",
568 get_home_dir(), MEMCARD_DIR, i);
569
570 f = fopen(buf, "rb");
571 if (f == NULL) {
572 SysPrintf("Creating memcard: %s\n", buf);
573 CreateMcd(buf);
574 }
575 else
576 fclose(f);
577 }
578}
579
580int main(int argc, char *argv[])
581{
582 char file[MAXPATHLEN] = "";
583 char path[MAXPATHLEN];
584 char isofilename[MAXPATHLEN];
585 const char *cdfile = NULL;
586 const char *loadst_f = NULL;
587 int psxout = 0;
588 int loadst = 0;
589 int i;
590
591 emu_core_preinit();
592
593 // read command line options
594 for (i = 1; i < argc; i++) {
595 if (!strcmp(argv[i], "-psxout")) psxout = 1;
596 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
597 else if (!strcmp(argv[i], "-cfg")) {
598 if (i+1 >= argc) break;
599 strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100); /* TODO buffer overruns */
600 SysPrintf("Using config file %s.\n", cfgfile_basename);
601 }
602 else if (!strcmp(argv[i], "-cdfile")) {
603 if (i+1 >= argc) break;
604 strncpy(isofilename, argv[++i], MAXPATHLEN);
605 if (isofilename[0] != '/') {
606 getcwd(path, MAXPATHLEN);
607 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
608 strcat(path, "/");
609 strcat(path, isofilename);
610 strcpy(isofilename, path);
611 } else
612 isofilename[0] = 0;
613 }
614
615 cdfile = isofilename;
616 }
617 else if (!strcmp(argv[i], "-loadf")) {
618 if (i+1 >= argc) break;
619 loadst_f = argv[++i];
620 }
621 else if (!strcmp(argv[i], "-h") ||
622 !strcmp(argv[i], "-help") ||
623 !strcmp(argv[i], "--help")) {
624 printf("PCSX-ReARMed " REV "\n");
625 printf("%s\n", _(
626 " pcsx [options] [file]\n"
627 "\toptions:\n"
628 "\t-cdfile FILE\tRuns a CD image file\n"
629 "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
630 "\t-psxout\t\tEnable PSX output\n"
631 "\t-load STATENUM\tLoads savestate STATENUM (1-9)\n"
632 "\t-loadf FILE\tLoads savestate from FILE\n"
633 "\t-h -help\tDisplay this message\n"
634 "\tfile\t\tLoads a PSX EXE file\n"));
635 return 0;
636 } else {
637 strncpy(file, argv[i], MAXPATHLEN);
638 if (file[0] != '/') {
639 getcwd(path, MAXPATHLEN);
640 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
641 strcat(path, "/");
642 strcat(path, file);
643 strcpy(file, path);
644 } else
645 file[0] = 0;
646 }
647 }
648 }
649
650 if (cdfile)
651 set_cd_image(cdfile);
652
653 // frontend stuff
654 // init input but leave probing to platform code,
655 // they add input drivers and may need to modify them after probe
656 in_init();
657 pl_init();
658 plat_init();
659 menu_init(); // loads config
660
661 if (emu_core_init() != 0)
662 return 1;
663
664 if (psxout)
665 Config.PsxOut = 1;
666
667 if (LoadPlugins() == -1) {
668 // FIXME: this recovery doesn't work, just delete bad config and bail out
669 // SysMessage("could not load plugins, retrying with defaults\n");
670 set_default_paths();
671 snprintf(path, sizeof(path), "%s" PCSX_DOT_DIR "%s",
672 get_home_dir(), cfgfile_basename);
673 remove(path);
674 SysMessage("Failed loading plugins!");
675 return 1;
676 }
677 pcnt_hook_plugins();
678
679 if (OpenPlugins() == -1) {
680 return 1;
681 }
682
683 CheckCdrom();
684 plugin_call_rearmed_cbs();
685 SysReset();
686
687 if (file[0] != '\0') {
688 if (Load(file) != -1)
689 ready_to_go = 1;
690 } else {
691 if (cdfile)
692 ready_to_go = menu_load_cd_image(cdfile) == 0;
693 }
694
695 if (loadst_f) {
696 int ret = LoadState(loadst_f);
697 SysPrintf("%s state file: %s\n",
698 ret ? "failed to load" : "loaded", loadst_f);
699 ready_to_go |= ret == 0;
700 }
701
702 if (ready_to_go) {
703 menu_prepare_emu();
704
705 // If a state slot has been specified, then load that
706 if (cdfile && loadst) {
707 int ret = emu_load_state(loadst - 1);
708 SysPrintf("%s state slot %d\n",
709 ret ? "failed to load" : "loaded", loadst);
710 }
711 }
712 else
713 menu_loop();
714
715#ifndef LIGHTREC_DEBUG
716 pl_start_watchdog();
717#endif
718
719 while (!g_emu_want_quit)
720 {
721 psxRegs.stop = 0;
722 emu_action = SACTION_NONE;
723
724 psxCpu->Execute(&psxRegs);
725 if (emu_action != SACTION_NONE)
726 do_emu_action();
727 }
728
729 printf("Exit..\n");
730 ClosePlugins();
731 SysClose();
732 menu_finish();
733 plat_finish();
734
735 return 0;
736}
737
738static void toggle_fast_forward(int force_off)
739{
740 static int fast_forward;
741 static int normal_g_opts;
742 static int normal_enhancement_enable;
743 static int normal_frameskip;
744
745 if (force_off && !fast_forward)
746 return;
747
748 fast_forward = !fast_forward;
749 if (fast_forward) {
750 normal_g_opts = g_opts;
751 normal_frameskip = pl_rearmed_cbs.frameskip;
752 normal_enhancement_enable =
753 pl_rearmed_cbs.gpu_neon.enhancement_enable;
754
755 g_opts |= OPT_NO_FRAMELIM;
756 if (normal_frameskip != 0)
757 pl_rearmed_cbs.frameskip = 3;
758 pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
759 } else {
760 g_opts = normal_g_opts;
761 pl_rearmed_cbs.frameskip = normal_frameskip;
762 pl_rearmed_cbs.gpu_neon.enhancement_enable =
763 normal_enhancement_enable;
764
765 pl_timing_prepare(Config.PsxType);
766 }
767
768 if (!force_off)
769 snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
770 fast_forward ? "ON" : "OFF");
771}
772
773static void SignalExit(int sig) {
774 SysPrintf("got signal %d\n", sig);
775 // only to restore framebuffer/resolution on some devices
776 plat_finish();
777 _exit(1);
778}
779
780static int get_gameid_filename(char *buf, int size, const char *fmt, int i) {
781 char trimlabel[33];
782 int j;
783
784 strncpy(trimlabel, CdromLabel, 32);
785 trimlabel[32] = 0;
786 for (j = 31; j >= 0; j--)
787 if (trimlabel[j] == ' ')
788 trimlabel[j] = 0;
789 else
790 continue;
791
792 snprintf(buf, size, fmt, get_home_dir(), trimlabel, CdromId, i);
793
794 return 0;
795}
796
797int get_state_filename(char *buf, int size, int i) {
798 return get_gameid_filename(buf, size,
799 "%s" STATES_DIR "%.32s-%.9s.%3.3d", i);
800}
801
802int emu_check_state(int slot)
803{
804 char fname[MAXPATHLEN];
805 int ret;
806
807 ret = get_state_filename(fname, sizeof(fname), slot);
808 if (ret != 0)
809 return ret;
810
811 return CheckState(fname);
812}
813
814int emu_save_state(int slot)
815{
816 char fname[MAXPATHLEN];
817 int ret;
818
819 ret = get_state_filename(fname, sizeof(fname), slot);
820 if (ret != 0)
821 return ret;
822
823 ret = SaveState(fname);
824#if defined(HAVE_PRE_ARMV7) && !defined(_3DS) && !defined(__SWITCH__) /* XXX GPH hack */
825 sync();
826#endif
827 SysPrintf("* %s \"%s\" [%d]\n",
828 ret == 0 ? "saved" : "failed to save", fname, slot);
829 return ret;
830}
831
832int emu_load_state(int slot)
833{
834 char fname[MAXPATHLEN];
835 int ret;
836
837 hud_msg[0] = 0;
838
839 ret = get_state_filename(fname, sizeof(fname), slot);
840 if (ret != 0)
841 return ret;
842
843 return LoadState(fname);
844}
845
846#endif // NO_FRONTEND
847
848static void CALLBACK dummy_lace(void)
849{
850}
851
852void SysReset() {
853 // rearmed hack: EmuReset() runs some code when real BIOS is used,
854 // but we usually do reset from menu while GPU is not open yet,
855 // so we need to prevent updateLace() call..
856 void *real_lace = GPU_updateLace;
857 GPU_updateLace = dummy_lace;
858 g_emu_resetting = 1;
859
860 // reset can run code, timing must be set
861 pl_timing_prepare(Config.PsxType);
862
863 EmuReset();
864
865 GPU_updateLace = real_lace;
866 g_emu_resetting = 0;
867}
868
869void SysClose() {
870 EmuShutdown();
871 ReleasePlugins();
872
873 StopDebugger();
874}
875
876#ifndef HAVE_LIBRETRO
877#ifndef ANDROID
878
879void SysPrintf(const char *fmt, ...) {
880 va_list list;
881
882 va_start(list, fmt);
883 vfprintf(stdout, fmt, list);
884 va_end(list);
885 //fflush(stdout);
886}
887
888#else
889
890#include <android/log.h>
891
892void SysPrintf(const char *fmt, ...) {
893 va_list list;
894
895 va_start(list, fmt);
896 __android_log_vprint(ANDROID_LOG_INFO, "PCSX", fmt, list);
897 va_end(list);
898}
899
900#endif
901#endif /* HAVE_LIBRETRO */
902
903void SysMessage(const char *fmt, ...) {
904 va_list list;
905 char msg[512];
906 int ret;
907
908 va_start(list, fmt);
909 ret = vsnprintf(msg, sizeof(msg), fmt, list);
910 va_end(list);
911
912 if (ret < sizeof(msg) && msg[ret - 1] == '\n')
913 msg[ret - 1] = 0;
914
915 SysPrintf("%s\n", msg);
916}
917
918#define PARSEPATH(dst, src) \
919 ptr = src + strlen(src); \
920 while (*ptr != '\\' && ptr != src) ptr--; \
921 if (ptr != src) { \
922 strcpy(dst, ptr+1); \
923 }
924
925static int _OpenPlugins(void) {
926 int ret;
927
928#ifndef NO_FRONTEND
929 signal(SIGINT, SignalExit);
930 signal(SIGPIPE, SignalExit);
931#endif
932
933 ret = cdra_open();
934 if (UsingIso() && ret < 0) { SysMessage(_("Error opening CD-ROM plugin!")); return -1; }
935 ret = SPU_open();
936 if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
937 SPU_registerCallback(SPUirq);
938 SPU_registerScheduleCb(SPUschedule);
939 // pcsx-rearmed: we handle gpu elsewhere
940 //ret = GPU_open(&gpuDisp, "PCSX", NULL);
941 //if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
942
943 return 0;
944}
945
946int OpenPlugins() {
947 int ret;
948
949 while ((ret = _OpenPlugins()) == -2) {
950 ReleasePlugins();
951 LoadMcds(Config.Mcd1, Config.Mcd2);
952 if (LoadPlugins() == -1) return -1;
953 }
954 return ret;
955}
956
957void ClosePlugins() {
958 int ret;
959
960#ifndef NO_FRONTEND
961 signal(SIGINT, SIG_DFL);
962 signal(SIGPIPE, SIG_DFL);
963#endif
964
965 cdra_close();
966 ret = SPU_close();
967 if (ret < 0) { SysMessage(_("Error closing SPU plugin!")); }
968 // pcsx-rearmed: we handle gpu elsewhere
969 //ret = GPU_close();
970 //if (ret < 0) { SysMessage(_("Error closing GPU plugin!")); return; }
971}
972
973/* we hook statically linked plugins here */
974static const char *builtin_plugins[] = {
975 "builtin_gpu", "builtin_spu"
976};
977
978static const int builtin_plugin_ids[] = {
979 PLUGIN_GPU, PLUGIN_SPU
980};
981
982void *SysLoadLibrary(const char *lib) {
983 const char *tmp = strrchr(lib, '/');
984 void *ret = NULL;
985 int i;
986
987 SysPrintf("plugin: %s\n", lib);
988
989 if (tmp != NULL) {
990 tmp++;
991 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
992 if (strcmp(tmp, builtin_plugins[i]) == 0)
993 return (void *)(uintptr_t)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
994 }
995
996#if !defined(_WIN32) && !defined(NO_DYLIB)
997 ret = dlopen(lib, RTLD_NOW);
998 if (ret == NULL)
999 SysMessage("dlopen: %s", dlerror());
1000#else
1001 /* no external plugin support, abi is no longer
1002 * compatible with psemu/pcsx anyway */
1003#endif
1004 return ret;
1005}
1006
1007void *SysLoadSym(void *lib, const char *sym) {
1008 unsigned int plugid = (unsigned int)(uintptr_t)lib;
1009
1010 if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1011 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
1012
1013#if !defined(_WIN32) && !defined(NO_DYLIB)
1014 return dlsym(lib, sym);
1015#else
1016 return NULL;
1017#endif
1018}
1019
1020const char *SysLibError() {
1021#if defined(NO_DYLIB)
1022 return NULL;
1023#elif !defined(_WIN32)
1024 return dlerror();
1025#else
1026 return "not supported";
1027#endif
1028}
1029
1030void SysCloseLibrary(void *lib) {
1031 unsigned int plugid = (unsigned int)(uintptr_t)lib;
1032
1033 if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
1034 return;
1035
1036#if !defined(_WIN32) && !defined(NO_DYLIB)
1037 dlclose(lib);
1038#endif
1039}