| 5 |
|
* Based (in a small way) on the default main.m, |
| 6 |
|
and on Basilisk's main_unix.cpp |
| 7 |
|
* |
| 8 |
< |
* Basilisk II (C) 1997-2002 Christian Bauer |
| 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 |
| 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 |
< |
#define PTHREADS |
| 24 |
> |
#define PTHREADS // Why is this here? |
| 25 |
|
#include "sysdeps.h" |
| 26 |
|
|
| 27 |
|
#ifdef HAVE_PTHREADS |
| 32 |
|
# include <sys/mman.h> |
| 33 |
|
#endif |
| 34 |
|
|
| 35 |
+ |
#include <string> |
| 36 |
+ |
using std::string; |
| 37 |
+ |
|
| 38 |
|
#include "cpu_emulation.h" |
| 39 |
|
#include "macos_util_macosx.h" |
| 40 |
|
#include "main.h" |
| 41 |
|
#include "prefs.h" |
| 42 |
|
#include "prefs_editor.h" |
| 43 |
|
#include "rom_patches.h" |
| 44 |
+ |
#include "sigsegv.h" |
| 45 |
|
#include "sys.h" |
| 42 |
– |
#include "timer.h" |
| 46 |
|
#include "user_strings.h" |
| 47 |
|
#include "version.h" |
| 48 |
|
#include "video.h" |
| 49 |
|
#include "vm_alloc.h" |
| 50 |
|
#include "xpram.h" |
| 51 |
|
|
| 52 |
+ |
#if USE_JIT |
| 53 |
+ |
extern void flush_icache_range(uint32 start, uint32 size); // from compemu_support.cpp |
| 54 |
+ |
#endif |
| 55 |
+ |
|
| 56 |
|
#ifdef ENABLE_MON |
| 57 |
|
# include "mon.h" |
| 58 |
|
#endif |
| 68 |
|
|
| 69 |
|
// Constants |
| 70 |
|
const char ROM_FILE_NAME[] = "ROM"; |
| 64 |
– |
const int SIG_STACK_SIZE = SIGSTKSZ; // Size of signal stack |
| 71 |
|
const int SCRATCH_MEM_SIZE = 0x10000; // Size of scratch memory area |
| 72 |
|
|
| 73 |
|
|
| 97 |
|
uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes |
| 98 |
|
#endif |
| 99 |
|
|
| 100 |
< |
#if defined(HAVE_TIMER_CREATE) && defined(_POSIX_REALTIME_SIGNALS) |
| 95 |
< |
#define SIG_TIMER SIGRTMIN |
| 96 |
< |
static timer_t timer; // 60Hz timer |
| 97 |
< |
#endif |
| 98 |
< |
|
| 99 |
< |
//#ifdef ENABLE_MON |
| 100 |
> |
#ifdef ENABLE_MON |
| 101 |
|
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
| 102 |
|
static void sigint_handler(...); |
| 103 |
< |
//#endif |
| 103 |
> |
#endif |
| 104 |
|
|
| 105 |
|
#if REAL_ADDRESSING |
| 106 |
|
static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped |
| 107 |
|
#endif |
| 108 |
|
|
| 109 |
|
|
| 110 |
+ |
/* |
| 111 |
+ |
* SIGSEGV handler |
| 112 |
+ |
*/ |
| 113 |
+ |
|
| 114 |
+ |
static sigsegv_return_t sigsegv_handler(sigsegv_address_t fault_address, |
| 115 |
+ |
sigsegv_address_t fault_instruction) |
| 116 |
+ |
{ |
| 117 |
+ |
#if ENABLE_VOSF |
| 118 |
+ |
// Handle screen fault |
| 119 |
+ |
extern bool Screen_fault_handler(sigsegv_address_t, sigsegv_address_t); |
| 120 |
+ |
if (Screen_fault_handler(fault_address, fault_instruction)) |
| 121 |
+ |
return SIGSEGV_RETURN_SUCCESS; |
| 122 |
+ |
#endif |
| 123 |
+ |
|
| 124 |
+ |
#ifdef HAVE_SIGSEGV_SKIP_INSTRUCTION |
| 125 |
+ |
// Ignore writes to ROM |
| 126 |
+ |
if (((uintptr)fault_address - (uintptr)ROMBaseHost) < ROMSize) |
| 127 |
+ |
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
| 128 |
+ |
|
| 129 |
+ |
// Ignore all other faults, if requested |
| 130 |
+ |
if (PrefsFindBool("ignoresegv")) |
| 131 |
+ |
return SIGSEGV_RETURN_SKIP_INSTRUCTION; |
| 132 |
+ |
#endif |
| 133 |
+ |
|
| 134 |
+ |
return SIGSEGV_RETURN_FAILURE; |
| 135 |
+ |
} |
| 136 |
+ |
|
| 137 |
+ |
|
| 138 |
+ |
/* |
| 139 |
+ |
* Dump state when everything went wrong after a SEGV |
| 140 |
+ |
*/ |
| 141 |
+ |
|
| 142 |
+ |
static void sigsegv_dump_state(sigsegv_address_t fault_address, sigsegv_address_t fault_instruction) |
| 143 |
+ |
{ |
| 144 |
+ |
fprintf(stderr, "Caught SIGSEGV at address %p", fault_address); |
| 145 |
+ |
if (fault_instruction != SIGSEGV_INVALID_PC) |
| 146 |
+ |
fprintf(stderr, " [IP=%p]", fault_instruction); |
| 147 |
+ |
fprintf(stderr, "\n"); |
| 148 |
+ |
uaecptr nextpc; |
| 149 |
+ |
extern void m68k_dumpstate(uaecptr *nextpc); |
| 150 |
+ |
m68k_dumpstate(&nextpc); |
| 151 |
+ |
#if USE_JIT && JIT_DEBUG |
| 152 |
+ |
extern void compiler_dumpstate(void); |
| 153 |
+ |
compiler_dumpstate(); |
| 154 |
+ |
#endif |
| 155 |
+ |
VideoQuitFullScreen(); |
| 156 |
+ |
#ifdef ENABLE_MON |
| 157 |
+ |
char *arg[4] = {"mon", "-m", "-r", NULL}; |
| 158 |
+ |
mon(3, arg); |
| 159 |
+ |
QuitEmulator(); |
| 160 |
+ |
#endif |
| 161 |
+ |
} |
| 162 |
+ |
|
| 163 |
|
|
| 164 |
|
/* |
| 165 |
|
* Main program |
| 170 |
|
printf("Usage: %s [OPTION...]\n", prg_name); |
| 171 |
|
printf("\nUnix options:\n"); |
| 172 |
|
printf(" --help\n display this usage message\n"); |
| 173 |
+ |
printf(" --config FILE\n read/write configuration from/to FILE\n"); |
| 174 |
|
printf(" --break ADDRESS\n set ROM breakpoint\n"); |
| 175 |
|
printf(" --rominfo\n dump ROM information\n"); |
| 176 |
+ |
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values |
| 177 |
|
PrefsPrintUsage(); |
| 178 |
|
exit(0); |
| 179 |
|
} |
| 190 |
|
printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
| 191 |
|
printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
| 192 |
|
|
| 137 |
– |
// Read preferences |
| 138 |
– |
PrefsInit(argc, argv); |
| 139 |
– |
|
| 193 |
|
// Parse command line arguments |
| 194 |
|
for (int i=1; i<argc; i++) { |
| 195 |
|
if (strcmp(argv[i], "--help") == 0) { |
| 200 |
|
i++; |
| 201 |
|
if (i < argc) |
| 202 |
|
ROMBreakpoint = strtol(argv[i], NULL, 0); |
| 203 |
+ |
} else if (strcmp(argv[i], "--config") == 0) { |
| 204 |
+ |
argv[i++] = NULL; |
| 205 |
+ |
if (i < argc) { |
| 206 |
+ |
extern string UserPrefsPath; // from prefs_unix.cpp |
| 207 |
+ |
UserPrefsPath = argv[i]; |
| 208 |
+ |
argv[i] = NULL; |
| 209 |
+ |
} |
| 210 |
|
} else if (strcmp(argv[i], "--rominfo") == 0) { |
| 211 |
|
PrintROMInfo = true; |
| 212 |
|
} else if (argv[i][0] == '-') { |
| 215 |
|
} |
| 216 |
|
} |
| 217 |
|
|
| 218 |
+ |
// Read preferences |
| 219 |
+ |
PrefsInit(argc, argv); |
| 220 |
+ |
|
| 221 |
|
// Init system routines |
| 222 |
|
SysInit(); |
| 223 |
|
|
| 235 |
|
return i; |
| 236 |
|
} |
| 237 |
|
|
| 238 |
< |
#define QuitEmulator() QuitEmuNoExit() ; return NO; |
| 238 |
> |
#define QuitEmulator() { QuitEmuNoExit() ; return NO; } |
| 239 |
|
|
| 240 |
|
bool InitEmulator (void) |
| 241 |
|
{ |
| 242 |
|
char str[256]; |
| 243 |
|
|
| 244 |
|
|
| 245 |
+ |
// Install the handler for SIGSEGV |
| 246 |
+ |
if (!sigsegv_install_handler(sigsegv_handler)) { |
| 247 |
+ |
sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno)); |
| 248 |
+ |
ErrorAlert(str); |
| 249 |
+ |
QuitEmulator(); |
| 250 |
+ |
} |
| 251 |
+ |
|
| 252 |
+ |
// Register dump state function when we got mad after a segfault |
| 253 |
+ |
sigsegv_set_dump_state(sigsegv_dump_state); |
| 254 |
+ |
|
| 255 |
|
// Read RAM size |
| 256 |
|
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
| 257 |
|
if (RAMSize < 1024*1024) { |
| 272 |
|
|
| 273 |
|
// Under Solaris/SPARC and NetBSD/m68k, Basilisk II is known to crash |
| 274 |
|
// when trying to map a too big chunk of memory starting at address 0 |
| 275 |
< |
#if defined(OS_solaris) || defined(OS_netbsd) |
| 275 |
> |
#if defined(OS_solaris) || defined(OS_netbsd) || defined(PAGEZERO_HACK) |
| 276 |
|
const bool can_map_all_memory = false; |
| 277 |
|
#else |
| 278 |
|
const bool can_map_all_memory = true; |
| 283 |
|
D(bug("Could allocate RAM and ROM from 0x0000\n")); |
| 284 |
|
memory_mapped_from_zero = true; |
| 285 |
|
} |
| 286 |
< |
|
| 286 |
> |
|
| 287 |
> |
#ifndef PAGEZERO_HACK |
| 288 |
|
// Otherwise, just create the Low Memory area (0x0000..0x2000) |
| 289 |
|
else if (vm_acquire_fixed(0, 0x2000) == 0) { |
| 290 |
|
D(bug("Could allocate the Low Memory globals\n")); |
| 298 |
|
QuitEmulator(); |
| 299 |
|
} |
| 300 |
|
#endif |
| 301 |
+ |
#else |
| 302 |
+ |
*str = 0; // Eliminate unused variable warning |
| 303 |
+ |
#endif /* REAL_ADDRESSING */ |
| 304 |
|
|
| 305 |
|
// Create areas for Mac RAM and ROM |
| 306 |
|
#if REAL_ADDRESSING |
| 344 |
|
|
| 345 |
|
// Get rom file path from preferences |
| 346 |
|
const char *rom_path = PrefsFindString("rom"); |
| 347 |
+ |
if ( ! rom_path ) |
| 348 |
+ |
WarningAlert("No rom pathname set. Trying ./ROM"); |
| 349 |
|
|
| 350 |
|
// Load Mac ROM |
| 351 |
|
int rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY); |
| 395 |
|
|
| 396 |
|
void QuitEmuNoExit() |
| 397 |
|
{ |
| 319 |
– |
extern NSApplication *NSApp; |
| 320 |
– |
|
| 321 |
– |
|
| 398 |
|
D(bug("QuitEmulator\n")); |
| 399 |
|
|
| 400 |
|
// Exit 680x0 emulation |
| 435 |
|
|
| 436 |
|
// Exit preferences |
| 437 |
|
PrefsExit(); |
| 362 |
– |
|
| 363 |
– |
// Stop run loop |
| 364 |
– |
[NSApp terminate: nil]; |
| 438 |
|
} |
| 439 |
|
|
| 440 |
|
void QuitEmulator(void) |
| 441 |
|
{ |
| 442 |
+ |
extern NSApplication *NSApp; |
| 443 |
+ |
|
| 444 |
+ |
|
| 445 |
|
QuitEmuNoExit(); |
| 446 |
+ |
|
| 447 |
+ |
// Stop run loop? |
| 448 |
+ |
[NSApp terminate: nil]; |
| 449 |
+ |
|
| 450 |
|
exit(0); |
| 451 |
|
} |
| 452 |
|
|
| 458 |
|
|
| 459 |
|
void FlushCodeCache(void *start, uint32 size) |
| 460 |
|
{ |
| 461 |
+ |
#if USE_JIT |
| 462 |
+ |
if (UseJIT) |
| 463 |
+ |
flush_icache_range((uintptr)start, size); |
| 464 |
+ |
#endif |
| 465 |
|
} |
| 466 |
|
|
| 467 |
|
|
| 490 |
|
#ifdef HAVE_PTHREADS |
| 491 |
|
|
| 492 |
|
struct B2_mutex { |
| 493 |
< |
B2_mutex() { pthread_mutex_init(&m, NULL); } |
| 494 |
< |
~B2_mutex() { pthread_mutex_unlock(&m); pthread_mutex_destroy(&m); } |
| 493 |
> |
B2_mutex() { |
| 494 |
> |
pthread_mutexattr_t attr; |
| 495 |
> |
pthread_mutexattr_init(&attr); |
| 496 |
> |
// Initialize the mutex for priority inheritance -- |
| 497 |
> |
// required for accurate timing. |
| 498 |
> |
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL |
| 499 |
> |
pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
| 500 |
> |
#endif |
| 501 |
> |
#if defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE) && defined(PTHREAD_MUTEX_NORMAL) |
| 502 |
> |
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); |
| 503 |
> |
#endif |
| 504 |
> |
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPSHARED |
| 505 |
> |
pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE); |
| 506 |
> |
#endif |
| 507 |
> |
pthread_mutex_init(&m, &attr); |
| 508 |
> |
pthread_mutexattr_destroy(&attr); |
| 509 |
> |
} |
| 510 |
> |
~B2_mutex() { |
| 511 |
> |
pthread_mutex_trylock(&m); // Make sure it's locked before |
| 512 |
> |
pthread_mutex_unlock(&m); // unlocking it. |
| 513 |
> |
pthread_mutex_destroy(&m); |
| 514 |
> |
} |
| 515 |
|
pthread_mutex_t m; |
| 516 |
|
}; |
| 517 |
|
|
| 594 |
|
NSString *error = [NSString stringWithCString: text]; |
| 595 |
|
NSString *button = [NSString stringWithCString: GetString(STR_QUIT_BUTTON) ]; |
| 596 |
|
|
| 493 |
– |
// If we have a full screen mode, quit it here? |
| 494 |
– |
|
| 597 |
|
NSLog(error); |
| 598 |
+ |
if ( PrefsFindBool("nogui") ) |
| 599 |
+ |
return; |
| 600 |
+ |
VideoQuitFullScreen(); |
| 601 |
|
NSRunCriticalAlertPanel(title, error, button, nil, nil); |
| 602 |
|
} |
| 603 |
|
|
| 614 |
|
NSString *button = [NSString stringWithCString: GetString(STR_OK_BUTTON) ]; |
| 615 |
|
|
| 616 |
|
NSLog(warning); |
| 617 |
+ |
if ( PrefsFindBool("nogui") ) |
| 618 |
+ |
return; |
| 619 |
+ |
VideoQuitFullScreen(); |
| 620 |
|
NSRunAlertPanel(title, warning, button, nil, nil); |
| 621 |
|
} |
| 622 |
|
|
| 633 |
|
NSString *yes = [NSString stringWithCString: pos]; |
| 634 |
|
NSString *no = [NSString stringWithCString: neg]; |
| 635 |
|
|
| 528 |
– |
NSLog(warning); |
| 636 |
|
return NSRunInformationalAlertPanel(title, warning, yes, no, nil); |
| 637 |
|
} |
