1 |
/* |
2 |
* $Id: main_macosx.mm,v 1.16 2006/05/08 16:56:07 gbeauche Exp $ |
3 |
* |
4 |
* main_macosx.mm - Startup code for MacOS X |
5 |
* Based (in a small way) on the default main.m, |
6 |
and on Basilisk's main_unix.cpp |
7 |
* |
8 |
* Basilisk II (C) 1997-2005 Christian Bauer |
9 |
* |
10 |
* This program is free software; you can redistribute it and/or modify |
11 |
* it under the terms of the GNU General Public License as published by |
12 |
* the Free Software Foundation; either version 2 of the License, or |
13 |
* (at your option) any later version. |
14 |
* |
15 |
* This program is distributed in the hope that it will be useful, |
16 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 |
* GNU General Public License for more details. |
19 |
* |
20 |
* You should have received a copy of the GNU General Public License |
21 |
* along with this program; if not, write to the Free Software |
22 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 |
*/ |
24 |
|
25 |
#import <AppKit/AppKit.h> |
26 |
#undef check |
27 |
|
28 |
#define PTHREADS // Why is this here? |
29 |
#include "sysdeps.h" |
30 |
|
31 |
#ifdef HAVE_PTHREADS |
32 |
# include <pthread.h> |
33 |
#endif |
34 |
|
35 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
36 |
# include <sys/mman.h> |
37 |
#endif |
38 |
|
39 |
#include <string> |
40 |
using std::string; |
41 |
|
42 |
#include "cpu_emulation.h" |
43 |
#include "macos_util_macosx.h" |
44 |
#include "main.h" |
45 |
#include "prefs.h" |
46 |
#include "prefs_editor.h" |
47 |
#include "rom_patches.h" |
48 |
#include "sigsegv.h" |
49 |
#include "sys.h" |
50 |
#include "user_strings.h" |
51 |
#include "version.h" |
52 |
#include "video.h" |
53 |
#include "vm_alloc.h" |
54 |
#include "xpram.h" |
55 |
|
56 |
#if USE_JIT |
57 |
extern void flush_icache_range(uint8 *start, uint32 size); // from compemu_support.cpp |
58 |
#endif |
59 |
|
60 |
#ifdef ENABLE_MON |
61 |
# include "mon.h" |
62 |
#endif |
63 |
|
64 |
#define DEBUG 0 |
65 |
#include "debug.h" |
66 |
|
67 |
|
68 |
#include "main_macosx.h" // To bridge between main() and misc. classes |
69 |
|
70 |
|
71 |
// Constants |
72 |
const char ROM_FILE_NAME[] = "ROM"; |
73 |
const int SCRATCH_MEM_SIZE = 0x10000; // Size of scratch memory area |
74 |
|
75 |
|
76 |
// CPU and FPU type, addressing mode |
77 |
int CPUType; |
78 |
bool CPUIs68060; |
79 |
int FPUType; |
80 |
bool TwentyFourBitAddressing; |
81 |
|
82 |
|
83 |
// Global variables |
84 |
|
85 |
#ifdef HAVE_PTHREADS |
86 |
|
87 |
static pthread_mutex_t intflag_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect InterruptFlags |
88 |
#define LOCK_INTFLAGS pthread_mutex_lock(&intflag_lock) |
89 |
#define UNLOCK_INTFLAGS pthread_mutex_unlock(&intflag_lock) |
90 |
|
91 |
#else |
92 |
|
93 |
#define LOCK_INTFLAGS |
94 |
#define UNLOCK_INTFLAGS |
95 |
|
96 |
#endif |
97 |
|
98 |
#if USE_SCRATCHMEM_SUBTERFUGE |
99 |
uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes |
100 |
#endif |
101 |
|
102 |
#ifdef ENABLE_MON |
103 |
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
104 |
static void sigint_handler(...); |
105 |
#endif |
106 |
|
107 |
#if REAL_ADDRESSING |
108 |
static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped |
109 |
#endif |
110 |
|
111 |
|
112 |
/* |
113 |
* Helpers to map memory that can be accessed from the Mac side |
114 |
*/ |
115 |
|
116 |
// NOTE: VM_MAP_32BIT is only used when compiling a 64-bit JIT on specific platforms |
117 |
void *vm_acquire_mac(size_t size) |
118 |
{ |
119 |
return vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
120 |
} |
121 |
|
122 |
static int vm_acquire_mac_fixed(void *addr, size_t size) |
123 |
{ |
124 |
return vm_acquire_fixed(addr, size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
125 |
} |
126 |
|
127 |
|
128 |
/* |
129 |
* SIGSEGV handler |
130 |
*/ |
131 |
|
132 |
static sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, |
133 |
sigsegv_address_t fault_instruction) |
134 |
{ |
135 |
#if ENABLE_VOSF |
136 |
// Handle screen fault |
137 |
extern bool Screen_fault_handler(sigsegv_address_t, sigsegv_address_t); |
138 |
if (Screen_fault_handler(fault_address, fault_instruction)) |
139 |
return SIGSEGV_RETURN_SUCCESS; |
140 |
#endif |
141 |
|
142 |
#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION |
143 |
// Ignore writes to ROM |
144 |
if (((uintptr)fault_address - (uintptr)ROMBaseHost) < ROMSize) |
145 |
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
146 |
|
147 |
// Ignore all other faults, if requested |
148 |
if (PrefsFindBool("ignoresegv")) |
149 |
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
150 |
#endif |
151 |
|
152 |
return SIGSEGV_RETURN_FAILURE; |
153 |
} |
154 |
|
155 |
|
156 |
/* |
157 |
* Dump state when everything went wrong after a SEGV |
158 |
*/ |
159 |
|
160 |
static void sigsegv_dump_state(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction) |
161 |
{ |
162 |
fprintf(stderr, "Caught SIGSEGV at address %p", fault_address); |
163 |
if (fault_instruction != SIGSEGV_INVALID_PC) |
164 |
fprintf(stderr, " [IP=%p]", fault_instruction); |
165 |
fprintf(stderr, "\n"); |
166 |
uaecptr nextpc; |
167 |
extern void m68k_dumpstate(uaecptr *nextpc); |
168 |
m68k_dumpstate(&nextpc); |
169 |
#if USE_JIT && JIT_DEBUG |
170 |
extern void compiler_dumpstate(void); |
171 |
compiler_dumpstate(); |
172 |
#endif |
173 |
VideoQuitFullScreen(); |
174 |
#ifdef ENABLE_MON |
175 |
char *arg[4] = {"mon", "-m", "-r", NULL}; |
176 |
mon(3, arg); |
177 |
#endif |
178 |
QuitEmulator(); |
179 |
} |
180 |
|
181 |
|
182 |
/* |
183 |
* Main program |
184 |
*/ |
185 |
|
186 |
static void usage(const char *prg_name) |
187 |
{ |
188 |
printf("Usage: %s [OPTION...]\n", prg_name); |
189 |
printf("\nUnix options:\n"); |
190 |
printf(" --help\n display this usage message\n"); |
191 |
printf(" --config FILE\n read/write configuration from/to FILE\n"); |
192 |
printf(" --break ADDRESS\n set ROM breakpoint\n"); |
193 |
printf(" --rominfo\n dump ROM information\n"); |
194 |
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values |
195 |
PrefsPrintUsage(); |
196 |
exit(0); |
197 |
} |
198 |
|
199 |
int main(int argc, char **argv) |
200 |
{ |
201 |
// Initialize variables |
202 |
RAMBaseHost = NULL; |
203 |
ROMBaseHost = NULL; |
204 |
srand(time(NULL)); |
205 |
tzset(); |
206 |
|
207 |
// Print some info |
208 |
printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
209 |
printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
210 |
|
211 |
// Parse command line arguments |
212 |
for (int i=1; i<argc; i++) { |
213 |
if (strcmp(argv[i], "--help") == 0) { |
214 |
usage(argv[0]); |
215 |
} else if (strncmp(argv[i], "-psn_", 5) == 0) {// OS X process identifier |
216 |
i++; |
217 |
} else if (strcmp(argv[i], "--break") == 0) { |
218 |
i++; |
219 |
if (i < argc) |
220 |
ROMBreakpoint = strtol(argv[i], NULL, 0); |
221 |
} else if (strcmp(argv[i], "--config") == 0) { |
222 |
argv[i++] = NULL; |
223 |
if (i < argc) { |
224 |
extern string UserPrefsPath; // from prefs_unix.cpp |
225 |
UserPrefsPath = argv[i]; |
226 |
argv[i] = NULL; |
227 |
} |
228 |
} else if (strcmp(argv[i], "--rominfo") == 0) { |
229 |
PrintROMInfo = true; |
230 |
} else if (argv[i][0] == '-') { |
231 |
fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
232 |
usage(argv[0]); |
233 |
} |
234 |
} |
235 |
|
236 |
// Read preferences |
237 |
PrefsInit(argc, argv); |
238 |
|
239 |
// Init system routines |
240 |
SysInit(); |
241 |
|
242 |
// Open display, attach to window server, |
243 |
// load pre-instantiated classes from MainMenu.nib, start run loop |
244 |
int i = NSApplicationMain(argc, (const char **)argv); |
245 |
// We currently never get past here, because QuitEmulator() does an exit() |
246 |
|
247 |
// Exit system routines |
248 |
SysExit(); |
249 |
|
250 |
// Exit preferences |
251 |
PrefsExit(); |
252 |
|
253 |
return i; |
254 |
} |
255 |
|
256 |
#define QuitEmulator() { QuitEmuNoExit() ; return NO; } |
257 |
|
258 |
bool InitEmulator (void) |
259 |
{ |
260 |
char str[256]; |
261 |
|
262 |
|
263 |
// Install the handler for SIGSEGV |
264 |
if (!sigsegv_install_handler(sigsegv_handler)) { |
265 |
sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno)); |
266 |
ErrorAlert(str); |
267 |
QuitEmulator(); |
268 |
} |
269 |
|
270 |
// Register dump state function when we got mad after a segfault |
271 |
sigsegv_set_dump_state(sigsegv_dump_state); |
272 |
|
273 |
// Read RAM size |
274 |
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
275 |
if (RAMSize < 1024*1024) { |
276 |
WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
277 |
RAMSize = 1024*1024; |
278 |
} |
279 |
if (RAMSize > 1023*1024*1024) // Cap to 1023MB (APD crashes at 1GB) |
280 |
RAMSize = 1023*1024*1024; |
281 |
|
282 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
283 |
RAMSize = RAMSize & -getpagesize(); // Round down to page boundary |
284 |
#endif |
285 |
|
286 |
// Initialize VM system |
287 |
vm_init(); |
288 |
|
289 |
#if REAL_ADDRESSING |
290 |
// Flag: RAM and ROM are contigously allocated from address 0 |
291 |
bool memory_mapped_from_zero = false; |
292 |
|
293 |
// Make sure to map RAM & ROM at address 0 only on platforms that |
294 |
// supports linker scripts to relocate the Basilisk II executable |
295 |
// above 0x70000000 |
296 |
#if HAVE_LINKER_SCRIPT |
297 |
const bool can_map_all_memory = true; |
298 |
#else |
299 |
const bool can_map_all_memory = false; |
300 |
#endif |
301 |
|
302 |
// Try to allocate all memory from 0x0000, if it is not known to crash |
303 |
if (can_map_all_memory && (vm_acquire_mac_fixed(0, RAMSize + 0x100000) == 0)) { |
304 |
D(bug("Could allocate RAM and ROM from 0x0000\n")); |
305 |
memory_mapped_from_zero = true; |
306 |
} |
307 |
|
308 |
#ifndef PAGEZERO_HACK |
309 |
// Otherwise, just create the Low Memory area (0x0000..0x2000) |
310 |
else if (vm_acquire_mac_fixed(0, 0x2000) == 0) { |
311 |
D(bug("Could allocate the Low Memory globals\n")); |
312 |
lm_area_mapped = true; |
313 |
} |
314 |
|
315 |
// Exit on failure |
316 |
else { |
317 |
sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno)); |
318 |
ErrorAlert(str); |
319 |
QuitEmulator(); |
320 |
} |
321 |
#endif |
322 |
#else |
323 |
*str = 0; // Eliminate unused variable warning |
324 |
#endif /* REAL_ADDRESSING */ |
325 |
|
326 |
// Create areas for Mac RAM and ROM |
327 |
#if REAL_ADDRESSING |
328 |
if (memory_mapped_from_zero) { |
329 |
RAMBaseHost = (uint8 *)0; |
330 |
ROMBaseHost = RAMBaseHost + RAMSize; |
331 |
} |
332 |
else |
333 |
#endif |
334 |
{ |
335 |
uint8 *ram_rom_area = (uint8 *)vm_acquire_mac(RAMSize + 0x100000); |
336 |
if (ram_rom_area == VM_MAP_FAILED) { |
337 |
ErrorAlert(STR_NO_MEM_ERR); |
338 |
QuitEmulator(); |
339 |
} |
340 |
RAMBaseHost = ram_rom_area; |
341 |
ROMBaseHost = RAMBaseHost + RAMSize; |
342 |
} |
343 |
|
344 |
#if USE_SCRATCHMEM_SUBTERFUGE |
345 |
// Allocate scratch memory |
346 |
ScratchMem = (uint8 *)vm_acquire_mac(SCRATCH_MEM_SIZE); |
347 |
if (ScratchMem == VM_MAP_FAILED) { |
348 |
ErrorAlert(STR_NO_MEM_ERR); |
349 |
QuitEmulator(); |
350 |
} |
351 |
ScratchMem += SCRATCH_MEM_SIZE/2; // ScratchMem points to middle of block |
352 |
#endif |
353 |
|
354 |
#if DIRECT_ADDRESSING |
355 |
// RAMBaseMac shall always be zero |
356 |
MEMBaseDiff = (uintptr)RAMBaseHost; |
357 |
RAMBaseMac = 0; |
358 |
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
359 |
#endif |
360 |
#if REAL_ADDRESSING |
361 |
RAMBaseMac = Host2MacAddr(RAMBaseHost); |
362 |
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
363 |
#endif |
364 |
D(bug("Mac RAM starts at %p (%08x)\n", RAMBaseHost, RAMBaseMac)); |
365 |
D(bug("Mac ROM starts at %p (%08x)\n", ROMBaseHost, ROMBaseMac)); |
366 |
|
367 |
// Get rom file path from preferences |
368 |
const char *rom_path = PrefsFindString("rom"); |
369 |
if ( ! rom_path ) |
370 |
WarningAlert("No rom pathname set. Trying ./ROM"); |
371 |
|
372 |
// Load Mac ROM |
373 |
int rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY); |
374 |
if (rom_fd < 0) { |
375 |
ErrorAlert(STR_NO_ROM_FILE_ERR); |
376 |
QuitEmulator(); |
377 |
} |
378 |
printf(GetString(STR_READING_ROM_FILE)); |
379 |
ROMSize = lseek(rom_fd, 0, SEEK_END); |
380 |
if (ROMSize != 64*1024 && ROMSize != 128*1024 && ROMSize != 256*1024 && ROMSize != 512*1024 && ROMSize != 1024*1024) { |
381 |
ErrorAlert(STR_ROM_SIZE_ERR); |
382 |
close(rom_fd); |
383 |
QuitEmulator(); |
384 |
} |
385 |
lseek(rom_fd, 0, SEEK_SET); |
386 |
if (read(rom_fd, ROMBaseHost, ROMSize) != (ssize_t)ROMSize) { |
387 |
ErrorAlert(STR_ROM_FILE_READ_ERR); |
388 |
close(rom_fd); |
389 |
QuitEmulator(); |
390 |
} |
391 |
|
392 |
|
393 |
// Initialize everything |
394 |
if (!InitAll()) |
395 |
QuitEmulator(); |
396 |
D(bug("Initialization complete\n")); |
397 |
|
398 |
|
399 |
#ifdef ENABLE_MON |
400 |
// Setup SIGINT handler to enter mon |
401 |
sigemptyset(&sigint_sa.sa_mask); |
402 |
sigint_sa.sa_handler = (void (*)(int))sigint_handler; |
403 |
sigint_sa.sa_flags = 0; |
404 |
sigaction(SIGINT, &sigint_sa, NULL); |
405 |
#endif |
406 |
|
407 |
|
408 |
return YES; |
409 |
} |
410 |
|
411 |
#undef QuitEmulator() |
412 |
|
413 |
|
414 |
/* |
415 |
* Quit emulator |
416 |
*/ |
417 |
|
418 |
void QuitEmuNoExit() |
419 |
{ |
420 |
D(bug("QuitEmulator\n")); |
421 |
|
422 |
// Exit 680x0 emulation |
423 |
Exit680x0(); |
424 |
|
425 |
// Deinitialize everything |
426 |
ExitAll(); |
427 |
|
428 |
// Free ROM/RAM areas |
429 |
if (RAMBaseHost != VM_MAP_FAILED) { |
430 |
vm_release(RAMBaseHost, RAMSize + 0x100000); |
431 |
RAMBaseHost = NULL; |
432 |
ROMBaseHost = NULL; |
433 |
} |
434 |
|
435 |
#if USE_SCRATCHMEM_SUBTERFUGE |
436 |
// Delete scratch memory area |
437 |
if (ScratchMem != (uint8 *)VM_MAP_FAILED) { |
438 |
vm_release((void *)(ScratchMem - SCRATCH_MEM_SIZE/2), SCRATCH_MEM_SIZE); |
439 |
ScratchMem = NULL; |
440 |
} |
441 |
#endif |
442 |
|
443 |
#if REAL_ADDRESSING |
444 |
// Delete Low Memory area |
445 |
if (lm_area_mapped) |
446 |
vm_release(0, 0x2000); |
447 |
#endif |
448 |
|
449 |
// Exit VM wrappers |
450 |
vm_exit(); |
451 |
|
452 |
// Exit system routines |
453 |
SysExit(); |
454 |
|
455 |
// Exit preferences |
456 |
PrefsExit(); |
457 |
} |
458 |
|
459 |
void QuitEmulator(void) |
460 |
{ |
461 |
QuitEmuNoExit(); |
462 |
|
463 |
// Stop run loop? |
464 |
[NSApp terminate: nil]; |
465 |
|
466 |
exit(0); |
467 |
} |
468 |
|
469 |
|
470 |
/* |
471 |
* Code was patched, flush caches if neccessary (i.e. when using a real 680x0 |
472 |
* or a dynamically recompiling emulator) |
473 |
*/ |
474 |
|
475 |
void FlushCodeCache(void *start, uint32 size) |
476 |
{ |
477 |
#if USE_JIT |
478 |
if (UseJIT) |
479 |
flush_icache_range((uint8 *)start, size); |
480 |
#endif |
481 |
} |
482 |
|
483 |
|
484 |
/* |
485 |
* SIGINT handler, enters mon |
486 |
*/ |
487 |
|
488 |
#ifdef ENABLE_MON |
489 |
static void sigint_handler(...) |
490 |
{ |
491 |
uaecptr nextpc; |
492 |
extern void m68k_dumpstate(uaecptr *nextpc); |
493 |
m68k_dumpstate(&nextpc); |
494 |
VideoQuitFullScreen(); |
495 |
char *arg[4] = {"mon", "-m", "-r", NULL}; |
496 |
mon(3, arg); |
497 |
QuitEmulator(); |
498 |
} |
499 |
#endif |
500 |
|
501 |
|
502 |
#ifdef HAVE_PTHREADS |
503 |
/* |
504 |
* Pthread configuration |
505 |
*/ |
506 |
|
507 |
void Set_pthread_attr(pthread_attr_t *attr, int priority) |
508 |
{ |
509 |
pthread_attr_init(attr); |
510 |
#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
511 |
// Some of these only work for superuser |
512 |
if (geteuid() == 0) { |
513 |
pthread_attr_setinheritsched(attr, PTHREAD_EXPLICIT_SCHED); |
514 |
pthread_attr_setschedpolicy(attr, SCHED_FIFO); |
515 |
struct sched_param fifo_param; |
516 |
fifo_param.sched_priority = ((sched_get_priority_min(SCHED_FIFO) |
517 |
+ sched_get_priority_max(SCHED_FIFO)) |
518 |
/ 2 + priority); |
519 |
pthread_attr_setschedparam(attr, &fifo_param); |
520 |
} |
521 |
if (pthread_attr_setscope(attr, PTHREAD_SCOPE_SYSTEM) != 0) { |
522 |
#ifdef PTHREAD_SCOPE_BOUND_NP |
523 |
// If system scope is not available (eg. we're not running |
524 |
// with CAP_SCHED_MGT capability on an SGI box), try bound |
525 |
// scope. It exposes pthread scheduling to the kernel, |
526 |
// without setting realtime priority. |
527 |
pthread_attr_setscope(attr, PTHREAD_SCOPE_BOUND_NP); |
528 |
#endif |
529 |
} |
530 |
#endif |
531 |
} |
532 |
#endif // HAVE_PTHREADS |
533 |
|
534 |
|
535 |
/* |
536 |
* Mutexes |
537 |
*/ |
538 |
|
539 |
#ifdef HAVE_PTHREADS |
540 |
|
541 |
struct B2_mutex { |
542 |
B2_mutex() { |
543 |
pthread_mutexattr_t attr; |
544 |
pthread_mutexattr_init(&attr); |
545 |
// Initialize the mutex for priority inheritance -- |
546 |
// required for accurate timing. |
547 |
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL |
548 |
pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
549 |
#endif |
550 |
#if defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE) && defined(PTHREAD_MUTEX_NORMAL) |
551 |
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); |
552 |
#endif |
553 |
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPSHARED |
554 |
pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE); |
555 |
#endif |
556 |
pthread_mutex_init(&m, &attr); |
557 |
pthread_mutexattr_destroy(&attr); |
558 |
} |
559 |
~B2_mutex() { |
560 |
pthread_mutex_trylock(&m); // Make sure it's locked before |
561 |
pthread_mutex_unlock(&m); // unlocking it. |
562 |
pthread_mutex_destroy(&m); |
563 |
} |
564 |
pthread_mutex_t m; |
565 |
}; |
566 |
|
567 |
B2_mutex *B2_create_mutex(void) |
568 |
{ |
569 |
return new B2_mutex; |
570 |
} |
571 |
|
572 |
void B2_lock_mutex(B2_mutex *mutex) |
573 |
{ |
574 |
pthread_mutex_lock(&mutex->m); |
575 |
} |
576 |
|
577 |
void B2_unlock_mutex(B2_mutex *mutex) |
578 |
{ |
579 |
pthread_mutex_unlock(&mutex->m); |
580 |
} |
581 |
|
582 |
void B2_delete_mutex(B2_mutex *mutex) |
583 |
{ |
584 |
delete mutex; |
585 |
} |
586 |
|
587 |
#else |
588 |
|
589 |
struct B2_mutex { |
590 |
int dummy; |
591 |
}; |
592 |
|
593 |
B2_mutex *B2_create_mutex(void) |
594 |
{ |
595 |
return new B2_mutex; |
596 |
} |
597 |
|
598 |
void B2_lock_mutex(B2_mutex *mutex) |
599 |
{ |
600 |
} |
601 |
|
602 |
void B2_unlock_mutex(B2_mutex *mutex) |
603 |
{ |
604 |
} |
605 |
|
606 |
void B2_delete_mutex(B2_mutex *mutex) |
607 |
{ |
608 |
delete mutex; |
609 |
} |
610 |
|
611 |
#endif |
612 |
|
613 |
|
614 |
/* |
615 |
* Interrupt flags (must be handled atomically!) |
616 |
*/ |
617 |
|
618 |
uint32 InterruptFlags = 0; |
619 |
|
620 |
void SetInterruptFlag(uint32 flag) |
621 |
{ |
622 |
LOCK_INTFLAGS; |
623 |
InterruptFlags |= flag; |
624 |
UNLOCK_INTFLAGS; |
625 |
} |
626 |
|
627 |
void ClearInterruptFlag(uint32 flag) |
628 |
{ |
629 |
LOCK_INTFLAGS; |
630 |
InterruptFlags &= ~flag; |
631 |
UNLOCK_INTFLAGS; |
632 |
} |
633 |
|
634 |
|
635 |
/* |
636 |
* Display error alert |
637 |
*/ |
638 |
|
639 |
void ErrorAlert(const char *text) |
640 |
{ |
641 |
NSString *title = [NSString stringWithCString: |
642 |
GetString(STR_ERROR_ALERT_TITLE) ]; |
643 |
NSString *error = [NSString stringWithCString: text]; |
644 |
NSString *button = [NSString stringWithCString: GetString(STR_QUIT_BUTTON) ]; |
645 |
|
646 |
NSLog(error); |
647 |
if ( PrefsFindBool("nogui") ) |
648 |
return; |
649 |
VideoQuitFullScreen(); |
650 |
NSRunCriticalAlertPanel(title, error, button, nil, nil); |
651 |
} |
652 |
|
653 |
|
654 |
/* |
655 |
* Display warning alert |
656 |
*/ |
657 |
|
658 |
void WarningAlert(const char *text) |
659 |
{ |
660 |
NSString *title = [NSString stringWithCString: |
661 |
GetString(STR_WARNING_ALERT_TITLE) ]; |
662 |
NSString *warning = [NSString stringWithCString: text]; |
663 |
NSString *button = [NSString stringWithCString: GetString(STR_OK_BUTTON) ]; |
664 |
|
665 |
NSLog(warning); |
666 |
if ( PrefsFindBool("nogui") ) |
667 |
return; |
668 |
VideoQuitFullScreen(); |
669 |
NSRunAlertPanel(title, warning, button, nil, nil); |
670 |
} |
671 |
|
672 |
|
673 |
/* |
674 |
* Display choice alert |
675 |
*/ |
676 |
|
677 |
bool ChoiceAlert(const char *text, const char *pos, const char *neg) |
678 |
{ |
679 |
NSString *title = [NSString stringWithCString: |
680 |
GetString(STR_WARNING_ALERT_TITLE) ]; |
681 |
NSString *warning = [NSString stringWithCString: text]; |
682 |
NSString *yes = [NSString stringWithCString: pos]; |
683 |
NSString *no = [NSString stringWithCString: neg]; |
684 |
|
685 |
return NSRunInformationalAlertPanel(title, warning, yes, no, nil); |
686 |
} |