add a way for GPU plugin to get layer config
[pcsx_rearmed.git] / frontend / main.c
... / ...
CommitLineData
1/*
2 * (C) notaz, 2010-2011
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 <dlfcn.h>
12#include <sys/stat.h>
13#include <sys/types.h>
14#include <unistd.h>
15
16#include "plugin.h"
17#include "pcnt.h"
18#include "menu.h"
19#include "../gui/Linux.h"
20#include "../libpcsxcore/misc.h"
21#include "../plugins/cdrcimg/cdrcimg.h"
22#include "common/plat.h"
23#include "common/input.h"
24
25int ready_to_go;
26int UseGui;
27static char *(*real_getenv)(const char *name);
28
29static void make_path(char *buf, size_t size, const char *dir, const char *fname)
30{
31 if (fname)
32 snprintf(buf, size, ".%s%s", dir, fname);
33 else
34 snprintf(buf, size, ".%s", dir);
35}
36#define MAKE_PATH(buf, dir, fname) \
37 make_path(buf, sizeof(buf), dir, fname)
38
39static void create_profile_dir(const char *directory) {
40 char path[MAXPATHLEN];
41
42 MAKE_PATH(path, directory, NULL);
43 mkdir(path, S_IRWXU | S_IRWXG);
44}
45
46static void CheckSubDir() {
47 // make sure that ~/.pcsx exists
48 create_profile_dir(PCSX_DOT_DIR);
49
50 create_profile_dir(BIOS_DIR);
51 create_profile_dir(MEMCARD_DIR);
52 create_profile_dir(STATES_DIR);
53 create_profile_dir(PLUGINS_DIR);
54 create_profile_dir(PLUGINS_CFG_DIR);
55 create_profile_dir(CHEATS_DIR);
56 create_profile_dir(PATCHES_DIR);
57 create_profile_dir(PCSX_DOT_DIR "cfg");
58}
59
60void set_cd_image(const char *fname)
61{
62 const char *ext;
63 int len;
64
65 len = strlen(fname);
66 ext = fname;
67 if (len > 2)
68 ext = fname + len - 2;
69
70 if (strcasecmp(ext, ".z") == 0) {
71 SetIsoFile(NULL);
72 cdrcimg_set_fname(fname);
73 strcpy(Config.Cdr, "builtin_cdrcimg");
74 } else {
75 SetIsoFile(fname);
76 strcpy(Config.Cdr, "builtin_cdr");
77 }
78}
79
80int main(int argc, char *argv[])
81{
82 char file[MAXPATHLEN] = "";
83 char path[MAXPATHLEN];
84 const char *cdfile = NULL;
85 int loadst = 0;
86 void *tmp;
87 int i;
88
89 tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY);
90 if (tmp == NULL)
91 tmp = dlopen("/lib32/libdl.so.2", RTLD_LAZY);
92 if (tmp != NULL)
93 real_getenv = dlsym(tmp, "getenv");
94 if (real_getenv == NULL) {
95 fprintf(stderr, "%s\n", dlerror());
96 return 1;
97 }
98 dlclose(tmp);
99
100 // what is the name of the config file?
101 // it may be redefined by -cfg on the command line
102 strcpy(cfgfile_basename, "pcsx.cfg");
103
104 emuLog = stdout;
105 SetIsoFile(NULL);
106
107 // read command line options
108 for (i = 1; i < argc; i++) {
109 if (!strcmp(argv[i], "-psxout")) Config.PsxOut = 1;
110 else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
111 else if (!strcmp(argv[i], "-cfg")) {
112 if (i+1 >= argc) break;
113 strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100); /* TODO buffer overruns */
114 printf("Using config file %s.\n", cfgfile_basename);
115 }
116 else if (!strcmp(argv[i], "-cdfile")) {
117 char isofilename[MAXPATHLEN];
118
119 if (i+1 >= argc) break;
120 strncpy(isofilename, argv[++i], MAXPATHLEN);
121 if (isofilename[0] != '/') {
122 getcwd(path, MAXPATHLEN);
123 if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
124 strcat(path, "/");
125 strcat(path, isofilename);
126 strcpy(isofilename, path);
127 } else
128 isofilename[0] = 0;
129 }
130
131 cdfile = isofilename;
132 }
133 else if (!strcmp(argv[i], "-h") ||
134 !strcmp(argv[i], "-help") ||
135 !strcmp(argv[i], "--help")) {
136 printf(PACKAGE_NAME " " PACKAGE_VERSION "\n");
137 printf("%s\n", _(
138 " pcsx [options] [file]\n"
139 "\toptions:\n"
140 "\t-cdfile FILE\tRuns a CD image file\n"
141 "\t-nogui\t\tDon't open the GTK GUI\n"
142 "\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
143 "\t-psxout\t\tEnable PSX output\n"
144 "\t-load STATENUM\tLoads savestate STATENUM (1-5)\n"
145 "\t-h -help\tDisplay this message\n"
146 "\tfile\t\tLoads file\n"));
147 return 0;
148 } else {
149 strncpy(file, argv[i], MAXPATHLEN);
150 if (file[0] != '/') {
151 getcwd(path, MAXPATHLEN);
152 if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
153 strcat(path, "/");
154 strcat(path, file);
155 strcpy(file, path);
156 } else
157 file[0] = 0;
158 }
159 }
160 }
161
162 memset(&Config, 0, sizeof(PcsxConfig));
163 strcpy(Config.Net, "Disabled");
164
165 CheckSubDir();
166
167 MAKE_PATH(Config.Mcd1, MEMCARD_DIR, "card1.mcd");
168 MAKE_PATH(Config.Mcd2, MEMCARD_DIR, "card2.mcd");
169 strcpy(Config.Bios, "HLE");
170 strcpy(Config.BiosDir, "./");
171
172 strcpy(Config.PluginsDir, "plugins");
173 strcpy(Config.Gpu, "builtin_gpu");
174 strcpy(Config.Spu, "builtin_spu");
175 strcpy(Config.Cdr, "builtin_cdr");
176 strcpy(Config.Pad1, "builtin_pad");
177 strcpy(Config.Pad2, "builtin_pad");
178 Config.PsxAuto = 1;
179
180 snprintf(Config.PatchesDir, sizeof(Config.PatchesDir), "." PATCHES_DIR);
181/*
182 // switch to plugin dotdir
183 // this lets plugins work without modification!
184 gchar *plugin_default_dir = g_build_filename(getenv("HOME"), PLUGINS_DIR, NULL);
185 chdir(plugin_default_dir);
186 g_free(plugin_default_dir);
187*/
188
189 if (cdfile)
190 set_cd_image(cdfile);
191
192 if (SysInit() == -1)
193 return 1;
194
195 // frontend stuff
196 in_init();
197 in_probe();
198 plat_init();
199 menu_init();
200
201 if (LoadPlugins() == -1) {
202 SysMessage("Failed loading plugins!");
203 return 1;
204 }
205 pcnt_hook_plugins();
206
207 if (OpenPlugins() == -1) {
208 return 1;
209 }
210 plugin_call_rearmed_cbs();
211
212 CheckCdrom();
213 SysReset();
214
215 if (file[0] != '\0') {
216 if (Load(file) != -1)
217 ready_to_go = 1;
218 } else {
219 if (cdfile) {
220 if (LoadCdrom() == -1) {
221 ClosePlugins();
222 printf(_("Could not load CD-ROM!\n"));
223 return -1;
224 }
225 ready_to_go = 1;
226 }
227 }
228
229 // If a state has been specified, then load that
230 if (loadst) {
231 StatesC = loadst - 1;
232 char *state_filename = get_state_filename(StatesC);
233 int ret = LoadState(state_filename);
234 printf("%s state %s\n", ret ? "failed to load" : "loaded", state_filename);
235 free(state_filename);
236 }
237
238 if (ready_to_go)
239 menu_prepare_emu();
240 else
241 menu_loop();
242
243 while (1)
244 {
245 psxCpu->Execute();
246 menu_loop();
247 }
248
249 return 0;
250}
251
252int SysInit() {
253 if (EmuInit() == -1) {
254 printf("PSX emulator couldn't be initialized.\n");
255 return -1;
256 }
257
258 LoadMcds(Config.Mcd1, Config.Mcd2); /* TODO Do we need to have this here, or in the calling main() function?? */
259
260 if (Config.Debug) {
261 StartDebugger();
262 }
263
264 return 0;
265}
266
267void SysRunGui() {
268 printf("SysRunGui\n");
269}
270
271void StartGui() {
272 printf("StartGui\n");
273}
274
275void SysReset() {
276 EmuReset();
277
278 // hmh core forgets this
279 CDR_stop();
280}
281
282void SysClose() {
283 EmuShutdown();
284 ReleasePlugins();
285
286 StopDebugger();
287
288 if (emuLog != NULL) fclose(emuLog);
289}
290
291void SysUpdate() {
292 PADhandleKey(PAD1_keypressed());
293 PADhandleKey(PAD2_keypressed());
294}
295
296void UpdateMenuSlots() {
297}
298
299void OnFile_Exit() {
300 printf("OnFile_Exit\n");
301 menu_finish();
302 plat_finish();
303 SysClose();
304 exit(0);
305}
306
307void state_save(gchar *state_filename) {
308 char Text[MAXPATHLEN + 20];
309
310 GPU_updateLace();
311
312 if (SaveState(state_filename) == 0)
313 sprintf(Text, _("Saved state %s."), state_filename);
314 else
315 sprintf(Text, _("Error saving state %s!"), state_filename);
316
317 GPU_displayText(Text);
318}
319
320void state_load(gchar *state_filename) {
321 int ret;
322 char Text[MAXPATHLEN + 20];
323 FILE *fp;
324
325 // check if the state file actually exists
326 fp = fopen(state_filename, "rb");
327 if (fp == NULL) {
328 // file does not exist
329 return;
330 }
331
332 fclose(fp);
333
334 ret = CheckState(state_filename);
335
336 if (ret == 0) {
337 SysReset();
338 ret = LoadState(state_filename);
339 }
340
341 if (ret == 0) {
342 // Check the CD-ROM is valid
343 if (CheckCdrom() == -1) {
344 ClosePlugins();
345 SysRunGui();
346 return;
347 }
348
349 sprintf(Text, _("Loaded state %s."), state_filename);
350 } else {
351 sprintf(Text, _("Error loading state %s!"), state_filename);
352 }
353 GPU_displayText(Text);
354}
355
356char *get_state_filename(int i) {
357 char SStateFile[256];
358 char trimlabel[33];
359 int j;
360
361 strncpy(trimlabel, CdromLabel, 32);
362 trimlabel[32] = 0;
363 for (j = 31; j >= 0; j--)
364 if (trimlabel[j] == ' ')
365 trimlabel[j] = 0;
366 else
367 continue;
368
369 snprintf(SStateFile, sizeof(SStateFile), "." STATES_DIR "%.32s-%.9s.%3.3d",
370 trimlabel, CdromId, i);
371
372 return strdup(SStateFile);
373}
374
375void SysPrintf(const char *fmt, ...) {
376 va_list list;
377 char msg[512];
378
379 va_start(list, fmt);
380 vsprintf(msg, fmt, list);
381 va_end(list);
382
383 fprintf(emuLog, "%s", msg);
384}
385
386void SysMessage(const char *fmt, ...) {
387 va_list list;
388 char msg[512];
389
390 va_start(list, fmt);
391 vsprintf(msg, fmt, list);
392 va_end(list);
393
394 if (msg[strlen(msg) - 1] == '\n')
395 msg[strlen(msg) - 1] = 0;
396
397 fprintf(stderr, "%s\n", msg);
398}
399
400#if 1
401/* this is to avoid having to hack every plugin to stop using $HOME */
402char *getenv(const char *name)
403{
404 static char ret[8] = ".";
405
406 if (name && strcmp(name, "HOME") == 0 &&
407 ((int)name >> 28) == 0) // HACK: let libs find home
408 return ret;
409
410 return real_getenv(name);
411}
412#endif
413
414/* we hook statically linked plugins here */
415static const char *builtin_plugins[] = {
416 "builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
417 "builtin_cdrcimg",
418};
419
420static const int builtin_plugin_ids[] = {
421 PLUGIN_GPU, PLUGIN_SPU, PLUGIN_CDR, PLUGIN_PAD,
422 PLUGIN_CDRCIMG,
423};
424
425void *SysLoadLibrary(const char *lib) {
426 const char *tmp = strrchr(lib, '/');
427 void *ret;
428 int i;
429
430 printf("plugin: %s\n", lib);
431
432 if (tmp != NULL) {
433 tmp++;
434 for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
435 if (strcmp(tmp, builtin_plugins[i]) == 0)
436 return (void *)(long)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
437 }
438
439#if defined(__x86_64__) || defined(__i386__)
440 // convenience hack
441 char name[MAXPATHLEN];
442 snprintf(name, sizeof(name), "%s.x86", lib);
443 lib = name;
444#endif
445
446 ret = dlopen(lib, RTLD_NOW);
447 if (ret == NULL)
448 fprintf(stderr, "dlopen: %s\n", dlerror());
449 return ret;
450}
451
452void *SysLoadSym(void *lib, const char *sym) {
453 unsigned int plugid = (unsigned int)(long)lib;
454
455 if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
456 return plugin_link(plugid - PLUGIN_DL_BASE, sym);
457
458 return dlsym(lib, sym);
459}
460
461const char *SysLibError() {
462 return dlerror();
463}
464
465void SysCloseLibrary(void *lib) {
466 unsigned int plugid = (unsigned int)(long)lib;
467
468 if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
469 return;
470
471 dlclose(lib);
472}
473
474