1 |
nigel |
1.1 |
/* |
2 |
gbeauche |
1.18 |
* $Id: main_macosx.mm,v 1.17 2007/01/13 18:21:30 gbeauche Exp $ |
3 |
nigel |
1.1 |
* |
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 |
gbeauche |
1.13 |
* Basilisk II (C) 1997-2005 Christian Bauer |
9 |
nigel |
1.1 |
* |
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 |
nigel |
1.14 |
|
25 |
|
|
#import <AppKit/AppKit.h> |
26 |
|
|
#undef check |
27 |
|
|
|
28 |
nigel |
1.10 |
#define PTHREADS // Why is this here? |
29 |
nigel |
1.1 |
#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 |
nigel |
1.8 |
#include <string> |
40 |
|
|
using std::string; |
41 |
|
|
|
42 |
nigel |
1.1 |
#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 |
nigel |
1.8 |
#include "sigsegv.h" |
49 |
nigel |
1.1 |
#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 |
nigel |
1.8 |
#if USE_JIT |
57 |
gbeauche |
1.16 |
extern void flush_icache_range(uint8 *start, uint32 size); // from compemu_support.cpp |
58 |
nigel |
1.8 |
#endif |
59 |
|
|
|
60 |
nigel |
1.1 |
#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 |
nigel |
1.3 |
#ifdef ENABLE_MON |
103 |
nigel |
1.1 |
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
104 |
|
|
static void sigint_handler(...); |
105 |
nigel |
1.3 |
#endif |
106 |
nigel |
1.1 |
|
107 |
|
|
#if REAL_ADDRESSING |
108 |
|
|
static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped |
109 |
|
|
#endif |
110 |
|
|
|
111 |
|
|
|
112 |
nigel |
1.8 |
/* |
113 |
nigel |
1.15 |
* Helpers to map memory that can be accessed from the Mac side |
114 |
nigel |
1.14 |
*/ |
115 |
|
|
|
116 |
gbeauche |
1.17 |
// NOTE: VM_MAP_32BIT is only used when compiling a 64-bit JIT on specific platforms |
117 |
nigel |
1.14 |
void *vm_acquire_mac(size_t size) |
118 |
|
|
{ |
119 |
gbeauche |
1.17 |
return vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
120 |
nigel |
1.14 |
} |
121 |
|
|
|
122 |
nigel |
1.15 |
static int vm_acquire_mac_fixed(void *addr, size_t size) |
123 |
|
|
{ |
124 |
gbeauche |
1.17 |
return vm_acquire_fixed(addr, size, VM_MAP_DEFAULT | VM_MAP_32BIT); |
125 |
nigel |
1.15 |
} |
126 |
|
|
|
127 |
nigel |
1.14 |
|
128 |
|
|
/* |
129 |
nigel |
1.10 |
* SIGSEGV handler |
130 |
|
|
*/ |
131 |
|
|
|
132 |
gbeauche |
1.18 |
static sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip) |
133 |
nigel |
1.10 |
{ |
134 |
gbeauche |
1.18 |
const uintptr fault_address = (uintptr)sigsegv_get_fault_address(sip); |
135 |
nigel |
1.10 |
#if ENABLE_VOSF |
136 |
|
|
// Handle screen fault |
137 |
gbeauche |
1.18 |
extern bool Screen_fault_handler(sigsegv_info_t *sip); |
138 |
|
|
if (Screen_fault_handler(sip)) |
139 |
nigel |
1.10 |
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 |
nigel |
1.8 |
* Dump state when everything went wrong after a SEGV |
158 |
|
|
*/ |
159 |
|
|
|
160 |
gbeauche |
1.18 |
static void sigsegv_dump_state(sigsegv_info_t *sip) |
161 |
nigel |
1.8 |
{ |
162 |
gbeauche |
1.18 |
const sigsegv_address_t fault_address = sigsegv_get_fault_address(sip); |
163 |
|
|
const sigsegv_address_t fault_instruction = sigsegv_get_fault_instruction_address(sip); |
164 |
nigel |
1.8 |
fprintf(stderr, "Caught SIGSEGV at address %p", fault_address); |
165 |
gbeauche |
1.18 |
if (fault_instruction != SIGSEGV_INVALID_ADDRESS) |
166 |
nigel |
1.8 |
fprintf(stderr, " [IP=%p]", fault_instruction); |
167 |
|
|
fprintf(stderr, "\n"); |
168 |
|
|
uaecptr nextpc; |
169 |
|
|
extern void m68k_dumpstate(uaecptr *nextpc); |
170 |
|
|
m68k_dumpstate(&nextpc); |
171 |
|
|
#if USE_JIT && JIT_DEBUG |
172 |
|
|
extern void compiler_dumpstate(void); |
173 |
|
|
compiler_dumpstate(); |
174 |
|
|
#endif |
175 |
|
|
VideoQuitFullScreen(); |
176 |
|
|
#ifdef ENABLE_MON |
177 |
|
|
char *arg[4] = {"mon", "-m", "-r", NULL}; |
178 |
|
|
mon(3, arg); |
179 |
nigel |
1.15 |
#endif |
180 |
nigel |
1.8 |
QuitEmulator(); |
181 |
|
|
} |
182 |
|
|
|
183 |
nigel |
1.1 |
|
184 |
|
|
/* |
185 |
|
|
* Main program |
186 |
|
|
*/ |
187 |
|
|
|
188 |
|
|
static void usage(const char *prg_name) |
189 |
|
|
{ |
190 |
|
|
printf("Usage: %s [OPTION...]\n", prg_name); |
191 |
|
|
printf("\nUnix options:\n"); |
192 |
|
|
printf(" --help\n display this usage message\n"); |
193 |
nigel |
1.8 |
printf(" --config FILE\n read/write configuration from/to FILE\n"); |
194 |
nigel |
1.1 |
printf(" --break ADDRESS\n set ROM breakpoint\n"); |
195 |
|
|
printf(" --rominfo\n dump ROM information\n"); |
196 |
nigel |
1.8 |
LoadPrefs(); // read the prefs file so PrefsPrintUsage() will print the correct default values |
197 |
nigel |
1.1 |
PrefsPrintUsage(); |
198 |
|
|
exit(0); |
199 |
|
|
} |
200 |
|
|
|
201 |
|
|
int main(int argc, char **argv) |
202 |
|
|
{ |
203 |
|
|
// Initialize variables |
204 |
|
|
RAMBaseHost = NULL; |
205 |
|
|
ROMBaseHost = NULL; |
206 |
|
|
srand(time(NULL)); |
207 |
|
|
tzset(); |
208 |
|
|
|
209 |
|
|
// Print some info |
210 |
|
|
printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
211 |
|
|
printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
212 |
|
|
|
213 |
|
|
// Parse command line arguments |
214 |
|
|
for (int i=1; i<argc; i++) { |
215 |
|
|
if (strcmp(argv[i], "--help") == 0) { |
216 |
|
|
usage(argv[0]); |
217 |
|
|
} else if (strncmp(argv[i], "-psn_", 5) == 0) {// OS X process identifier |
218 |
|
|
i++; |
219 |
|
|
} else if (strcmp(argv[i], "--break") == 0) { |
220 |
|
|
i++; |
221 |
|
|
if (i < argc) |
222 |
|
|
ROMBreakpoint = strtol(argv[i], NULL, 0); |
223 |
nigel |
1.8 |
} else if (strcmp(argv[i], "--config") == 0) { |
224 |
|
|
argv[i++] = NULL; |
225 |
|
|
if (i < argc) { |
226 |
|
|
extern string UserPrefsPath; // from prefs_unix.cpp |
227 |
|
|
UserPrefsPath = argv[i]; |
228 |
|
|
argv[i] = NULL; |
229 |
|
|
} |
230 |
nigel |
1.1 |
} else if (strcmp(argv[i], "--rominfo") == 0) { |
231 |
|
|
PrintROMInfo = true; |
232 |
|
|
} else if (argv[i][0] == '-') { |
233 |
|
|
fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
234 |
|
|
usage(argv[0]); |
235 |
|
|
} |
236 |
|
|
} |
237 |
|
|
|
238 |
nigel |
1.10 |
// Read preferences |
239 |
|
|
PrefsInit(argc, argv); |
240 |
|
|
|
241 |
nigel |
1.1 |
// Init system routines |
242 |
|
|
SysInit(); |
243 |
|
|
|
244 |
|
|
// Open display, attach to window server, |
245 |
|
|
// load pre-instantiated classes from MainMenu.nib, start run loop |
246 |
|
|
int i = NSApplicationMain(argc, (const char **)argv); |
247 |
|
|
// We currently never get past here, because QuitEmulator() does an exit() |
248 |
|
|
|
249 |
|
|
// Exit system routines |
250 |
|
|
SysExit(); |
251 |
|
|
|
252 |
|
|
// Exit preferences |
253 |
|
|
PrefsExit(); |
254 |
|
|
|
255 |
|
|
return i; |
256 |
|
|
} |
257 |
|
|
|
258 |
nigel |
1.7 |
#define QuitEmulator() { QuitEmuNoExit() ; return NO; } |
259 |
nigel |
1.1 |
|
260 |
|
|
bool InitEmulator (void) |
261 |
|
|
{ |
262 |
|
|
char str[256]; |
263 |
|
|
|
264 |
|
|
|
265 |
nigel |
1.10 |
// Install the handler for SIGSEGV |
266 |
|
|
if (!sigsegv_install_handler(sigsegv_handler)) { |
267 |
|
|
sprintf(str, GetString(STR_SIG_INSTALL_ERR), "SIGSEGV", strerror(errno)); |
268 |
|
|
ErrorAlert(str); |
269 |
|
|
QuitEmulator(); |
270 |
|
|
} |
271 |
nigel |
1.8 |
|
272 |
|
|
// Register dump state function when we got mad after a segfault |
273 |
|
|
sigsegv_set_dump_state(sigsegv_dump_state); |
274 |
|
|
|
275 |
nigel |
1.1 |
// Read RAM size |
276 |
|
|
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
277 |
|
|
if (RAMSize < 1024*1024) { |
278 |
|
|
WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
279 |
|
|
RAMSize = 1024*1024; |
280 |
|
|
} |
281 |
nigel |
1.15 |
if (RAMSize > 1023*1024*1024) // Cap to 1023MB (APD crashes at 1GB) |
282 |
|
|
RAMSize = 1023*1024*1024; |
283 |
nigel |
1.1 |
|
284 |
|
|
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
285 |
|
|
RAMSize = RAMSize & -getpagesize(); // Round down to page boundary |
286 |
|
|
#endif |
287 |
|
|
|
288 |
|
|
// Initialize VM system |
289 |
|
|
vm_init(); |
290 |
|
|
|
291 |
|
|
#if REAL_ADDRESSING |
292 |
|
|
// Flag: RAM and ROM are contigously allocated from address 0 |
293 |
|
|
bool memory_mapped_from_zero = false; |
294 |
nigel |
1.15 |
|
295 |
|
|
// Make sure to map RAM & ROM at address 0 only on platforms that |
296 |
|
|
// supports linker scripts to relocate the Basilisk II executable |
297 |
|
|
// above 0x70000000 |
298 |
|
|
#if HAVE_LINKER_SCRIPT |
299 |
|
|
const bool can_map_all_memory = true; |
300 |
|
|
#else |
301 |
nigel |
1.1 |
const bool can_map_all_memory = false; |
302 |
|
|
#endif |
303 |
|
|
|
304 |
|
|
// Try to allocate all memory from 0x0000, if it is not known to crash |
305 |
nigel |
1.15 |
if (can_map_all_memory && (vm_acquire_mac_fixed(0, RAMSize + 0x100000) == 0)) { |
306 |
nigel |
1.1 |
D(bug("Could allocate RAM and ROM from 0x0000\n")); |
307 |
|
|
memory_mapped_from_zero = true; |
308 |
|
|
} |
309 |
nigel |
1.15 |
|
310 |
nigel |
1.10 |
#ifndef PAGEZERO_HACK |
311 |
nigel |
1.1 |
// Otherwise, just create the Low Memory area (0x0000..0x2000) |
312 |
nigel |
1.15 |
else if (vm_acquire_mac_fixed(0, 0x2000) == 0) { |
313 |
nigel |
1.1 |
D(bug("Could allocate the Low Memory globals\n")); |
314 |
|
|
lm_area_mapped = true; |
315 |
|
|
} |
316 |
|
|
|
317 |
|
|
// Exit on failure |
318 |
|
|
else { |
319 |
|
|
sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno)); |
320 |
|
|
ErrorAlert(str); |
321 |
|
|
QuitEmulator(); |
322 |
|
|
} |
323 |
nigel |
1.10 |
#endif |
324 |
nigel |
1.4 |
#else |
325 |
|
|
*str = 0; // Eliminate unused variable warning |
326 |
nigel |
1.10 |
#endif /* REAL_ADDRESSING */ |
327 |
nigel |
1.1 |
|
328 |
|
|
// Create areas for Mac RAM and ROM |
329 |
|
|
#if REAL_ADDRESSING |
330 |
|
|
if (memory_mapped_from_zero) { |
331 |
|
|
RAMBaseHost = (uint8 *)0; |
332 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
333 |
|
|
} |
334 |
|
|
else |
335 |
|
|
#endif |
336 |
|
|
{ |
337 |
nigel |
1.14 |
uint8 *ram_rom_area = (uint8 *)vm_acquire_mac(RAMSize + 0x100000); |
338 |
|
|
if (ram_rom_area == VM_MAP_FAILED) { |
339 |
nigel |
1.1 |
ErrorAlert(STR_NO_MEM_ERR); |
340 |
|
|
QuitEmulator(); |
341 |
|
|
} |
342 |
nigel |
1.14 |
RAMBaseHost = ram_rom_area; |
343 |
|
|
ROMBaseHost = RAMBaseHost + RAMSize; |
344 |
nigel |
1.1 |
} |
345 |
|
|
|
346 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
347 |
|
|
// Allocate scratch memory |
348 |
nigel |
1.15 |
ScratchMem = (uint8 *)vm_acquire_mac(SCRATCH_MEM_SIZE); |
349 |
nigel |
1.1 |
if (ScratchMem == VM_MAP_FAILED) { |
350 |
|
|
ErrorAlert(STR_NO_MEM_ERR); |
351 |
|
|
QuitEmulator(); |
352 |
|
|
} |
353 |
|
|
ScratchMem += SCRATCH_MEM_SIZE/2; // ScratchMem points to middle of block |
354 |
|
|
#endif |
355 |
|
|
|
356 |
|
|
#if DIRECT_ADDRESSING |
357 |
|
|
// RAMBaseMac shall always be zero |
358 |
|
|
MEMBaseDiff = (uintptr)RAMBaseHost; |
359 |
|
|
RAMBaseMac = 0; |
360 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
361 |
|
|
#endif |
362 |
|
|
#if REAL_ADDRESSING |
363 |
nigel |
1.15 |
RAMBaseMac = Host2MacAddr(RAMBaseHost); |
364 |
|
|
ROMBaseMac = Host2MacAddr(ROMBaseHost); |
365 |
nigel |
1.1 |
#endif |
366 |
|
|
D(bug("Mac RAM starts at %p (%08x)\n", RAMBaseHost, RAMBaseMac)); |
367 |
|
|
D(bug("Mac ROM starts at %p (%08x)\n", ROMBaseHost, ROMBaseMac)); |
368 |
|
|
|
369 |
|
|
// Get rom file path from preferences |
370 |
|
|
const char *rom_path = PrefsFindString("rom"); |
371 |
nigel |
1.6 |
if ( ! rom_path ) |
372 |
|
|
WarningAlert("No rom pathname set. Trying ./ROM"); |
373 |
nigel |
1.1 |
|
374 |
|
|
// Load Mac ROM |
375 |
|
|
int rom_fd = open(rom_path ? rom_path : ROM_FILE_NAME, O_RDONLY); |
376 |
|
|
if (rom_fd < 0) { |
377 |
|
|
ErrorAlert(STR_NO_ROM_FILE_ERR); |
378 |
|
|
QuitEmulator(); |
379 |
|
|
} |
380 |
|
|
printf(GetString(STR_READING_ROM_FILE)); |
381 |
|
|
ROMSize = lseek(rom_fd, 0, SEEK_END); |
382 |
|
|
if (ROMSize != 64*1024 && ROMSize != 128*1024 && ROMSize != 256*1024 && ROMSize != 512*1024 && ROMSize != 1024*1024) { |
383 |
|
|
ErrorAlert(STR_ROM_SIZE_ERR); |
384 |
|
|
close(rom_fd); |
385 |
|
|
QuitEmulator(); |
386 |
|
|
} |
387 |
|
|
lseek(rom_fd, 0, SEEK_SET); |
388 |
|
|
if (read(rom_fd, ROMBaseHost, ROMSize) != (ssize_t)ROMSize) { |
389 |
|
|
ErrorAlert(STR_ROM_FILE_READ_ERR); |
390 |
|
|
close(rom_fd); |
391 |
|
|
QuitEmulator(); |
392 |
|
|
} |
393 |
|
|
|
394 |
|
|
|
395 |
|
|
// Initialize everything |
396 |
|
|
if (!InitAll()) |
397 |
|
|
QuitEmulator(); |
398 |
|
|
D(bug("Initialization complete\n")); |
399 |
|
|
|
400 |
|
|
|
401 |
|
|
#ifdef ENABLE_MON |
402 |
|
|
// Setup SIGINT handler to enter mon |
403 |
|
|
sigemptyset(&sigint_sa.sa_mask); |
404 |
|
|
sigint_sa.sa_handler = (void (*)(int))sigint_handler; |
405 |
|
|
sigint_sa.sa_flags = 0; |
406 |
|
|
sigaction(SIGINT, &sigint_sa, NULL); |
407 |
|
|
#endif |
408 |
|
|
|
409 |
|
|
|
410 |
|
|
return YES; |
411 |
|
|
} |
412 |
|
|
|
413 |
|
|
#undef QuitEmulator() |
414 |
|
|
|
415 |
|
|
|
416 |
|
|
/* |
417 |
|
|
* Quit emulator |
418 |
|
|
*/ |
419 |
|
|
|
420 |
|
|
void QuitEmuNoExit() |
421 |
|
|
{ |
422 |
|
|
D(bug("QuitEmulator\n")); |
423 |
|
|
|
424 |
|
|
// Exit 680x0 emulation |
425 |
|
|
Exit680x0(); |
426 |
|
|
|
427 |
|
|
// Deinitialize everything |
428 |
|
|
ExitAll(); |
429 |
|
|
|
430 |
|
|
// Free ROM/RAM areas |
431 |
|
|
if (RAMBaseHost != VM_MAP_FAILED) { |
432 |
nigel |
1.14 |
vm_release(RAMBaseHost, RAMSize + 0x100000); |
433 |
nigel |
1.1 |
RAMBaseHost = NULL; |
434 |
nigel |
1.15 |
ROMBaseHost = NULL; |
435 |
nigel |
1.1 |
} |
436 |
|
|
|
437 |
|
|
#if USE_SCRATCHMEM_SUBTERFUGE |
438 |
|
|
// Delete scratch memory area |
439 |
|
|
if (ScratchMem != (uint8 *)VM_MAP_FAILED) { |
440 |
|
|
vm_release((void *)(ScratchMem - SCRATCH_MEM_SIZE/2), SCRATCH_MEM_SIZE); |
441 |
|
|
ScratchMem = NULL; |
442 |
|
|
} |
443 |
|
|
#endif |
444 |
|
|
|
445 |
|
|
#if REAL_ADDRESSING |
446 |
|
|
// Delete Low Memory area |
447 |
|
|
if (lm_area_mapped) |
448 |
|
|
vm_release(0, 0x2000); |
449 |
|
|
#endif |
450 |
|
|
|
451 |
|
|
// Exit VM wrappers |
452 |
|
|
vm_exit(); |
453 |
|
|
|
454 |
|
|
// Exit system routines |
455 |
|
|
SysExit(); |
456 |
|
|
|
457 |
|
|
// Exit preferences |
458 |
|
|
PrefsExit(); |
459 |
|
|
} |
460 |
|
|
|
461 |
|
|
void QuitEmulator(void) |
462 |
|
|
{ |
463 |
|
|
QuitEmuNoExit(); |
464 |
nigel |
1.6 |
|
465 |
|
|
// Stop run loop? |
466 |
|
|
[NSApp terminate: nil]; |
467 |
|
|
|
468 |
nigel |
1.1 |
exit(0); |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
|
472 |
|
|
/* |
473 |
|
|
* Code was patched, flush caches if neccessary (i.e. when using a real 680x0 |
474 |
|
|
* or a dynamically recompiling emulator) |
475 |
|
|
*/ |
476 |
|
|
|
477 |
|
|
void FlushCodeCache(void *start, uint32 size) |
478 |
|
|
{ |
479 |
nigel |
1.8 |
#if USE_JIT |
480 |
|
|
if (UseJIT) |
481 |
gbeauche |
1.16 |
flush_icache_range((uint8 *)start, size); |
482 |
nigel |
1.8 |
#endif |
483 |
nigel |
1.1 |
} |
484 |
|
|
|
485 |
|
|
|
486 |
|
|
/* |
487 |
|
|
* SIGINT handler, enters mon |
488 |
|
|
*/ |
489 |
|
|
|
490 |
|
|
#ifdef ENABLE_MON |
491 |
|
|
static void sigint_handler(...) |
492 |
|
|
{ |
493 |
|
|
uaecptr nextpc; |
494 |
|
|
extern void m68k_dumpstate(uaecptr *nextpc); |
495 |
|
|
m68k_dumpstate(&nextpc); |
496 |
|
|
VideoQuitFullScreen(); |
497 |
|
|
char *arg[4] = {"mon", "-m", "-r", NULL}; |
498 |
|
|
mon(3, arg); |
499 |
|
|
QuitEmulator(); |
500 |
|
|
} |
501 |
|
|
#endif |
502 |
|
|
|
503 |
|
|
|
504 |
nigel |
1.14 |
#ifdef HAVE_PTHREADS |
505 |
|
|
/* |
506 |
|
|
* Pthread configuration |
507 |
|
|
*/ |
508 |
|
|
|
509 |
|
|
void Set_pthread_attr(pthread_attr_t *attr, int priority) |
510 |
|
|
{ |
511 |
|
|
pthread_attr_init(attr); |
512 |
|
|
#if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
513 |
|
|
// Some of these only work for superuser |
514 |
|
|
if (geteuid() == 0) { |
515 |
|
|
pthread_attr_setinheritsched(attr, PTHREAD_EXPLICIT_SCHED); |
516 |
|
|
pthread_attr_setschedpolicy(attr, SCHED_FIFO); |
517 |
|
|
struct sched_param fifo_param; |
518 |
|
|
fifo_param.sched_priority = ((sched_get_priority_min(SCHED_FIFO) |
519 |
|
|
+ sched_get_priority_max(SCHED_FIFO)) |
520 |
|
|
/ 2 + priority); |
521 |
|
|
pthread_attr_setschedparam(attr, &fifo_param); |
522 |
|
|
} |
523 |
|
|
if (pthread_attr_setscope(attr, PTHREAD_SCOPE_SYSTEM) != 0) { |
524 |
|
|
#ifdef PTHREAD_SCOPE_BOUND_NP |
525 |
|
|
// If system scope is not available (eg. we're not running |
526 |
|
|
// with CAP_SCHED_MGT capability on an SGI box), try bound |
527 |
|
|
// scope. It exposes pthread scheduling to the kernel, |
528 |
|
|
// without setting realtime priority. |
529 |
|
|
pthread_attr_setscope(attr, PTHREAD_SCOPE_BOUND_NP); |
530 |
|
|
#endif |
531 |
|
|
} |
532 |
|
|
#endif |
533 |
|
|
} |
534 |
|
|
#endif // HAVE_PTHREADS |
535 |
|
|
|
536 |
|
|
|
537 |
nigel |
1.1 |
/* |
538 |
|
|
* Mutexes |
539 |
|
|
*/ |
540 |
|
|
|
541 |
|
|
#ifdef HAVE_PTHREADS |
542 |
|
|
|
543 |
|
|
struct B2_mutex { |
544 |
nigel |
1.10 |
B2_mutex() { |
545 |
|
|
pthread_mutexattr_t attr; |
546 |
|
|
pthread_mutexattr_init(&attr); |
547 |
|
|
// Initialize the mutex for priority inheritance -- |
548 |
|
|
// required for accurate timing. |
549 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL |
550 |
|
|
pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT); |
551 |
|
|
#endif |
552 |
|
|
#if defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE) && defined(PTHREAD_MUTEX_NORMAL) |
553 |
|
|
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL); |
554 |
|
|
#endif |
555 |
|
|
#ifdef HAVE_PTHREAD_MUTEXATTR_SETPSHARED |
556 |
|
|
pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE); |
557 |
|
|
#endif |
558 |
|
|
pthread_mutex_init(&m, &attr); |
559 |
|
|
pthread_mutexattr_destroy(&attr); |
560 |
|
|
} |
561 |
|
|
~B2_mutex() { |
562 |
|
|
pthread_mutex_trylock(&m); // Make sure it's locked before |
563 |
|
|
pthread_mutex_unlock(&m); // unlocking it. |
564 |
|
|
pthread_mutex_destroy(&m); |
565 |
|
|
} |
566 |
nigel |
1.1 |
pthread_mutex_t m; |
567 |
|
|
}; |
568 |
|
|
|
569 |
|
|
B2_mutex *B2_create_mutex(void) |
570 |
|
|
{ |
571 |
|
|
return new B2_mutex; |
572 |
|
|
} |
573 |
|
|
|
574 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
575 |
|
|
{ |
576 |
|
|
pthread_mutex_lock(&mutex->m); |
577 |
|
|
} |
578 |
|
|
|
579 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
580 |
|
|
{ |
581 |
|
|
pthread_mutex_unlock(&mutex->m); |
582 |
|
|
} |
583 |
|
|
|
584 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
585 |
|
|
{ |
586 |
|
|
delete mutex; |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
#else |
590 |
|
|
|
591 |
|
|
struct B2_mutex { |
592 |
|
|
int dummy; |
593 |
|
|
}; |
594 |
|
|
|
595 |
|
|
B2_mutex *B2_create_mutex(void) |
596 |
|
|
{ |
597 |
|
|
return new B2_mutex; |
598 |
|
|
} |
599 |
|
|
|
600 |
|
|
void B2_lock_mutex(B2_mutex *mutex) |
601 |
|
|
{ |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
void B2_unlock_mutex(B2_mutex *mutex) |
605 |
|
|
{ |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
void B2_delete_mutex(B2_mutex *mutex) |
609 |
|
|
{ |
610 |
|
|
delete mutex; |
611 |
|
|
} |
612 |
|
|
|
613 |
|
|
#endif |
614 |
|
|
|
615 |
|
|
|
616 |
|
|
/* |
617 |
|
|
* Interrupt flags (must be handled atomically!) |
618 |
|
|
*/ |
619 |
|
|
|
620 |
|
|
uint32 InterruptFlags = 0; |
621 |
|
|
|
622 |
|
|
void SetInterruptFlag(uint32 flag) |
623 |
|
|
{ |
624 |
|
|
LOCK_INTFLAGS; |
625 |
|
|
InterruptFlags |= flag; |
626 |
|
|
UNLOCK_INTFLAGS; |
627 |
|
|
} |
628 |
|
|
|
629 |
|
|
void ClearInterruptFlag(uint32 flag) |
630 |
|
|
{ |
631 |
|
|
LOCK_INTFLAGS; |
632 |
|
|
InterruptFlags &= ~flag; |
633 |
|
|
UNLOCK_INTFLAGS; |
634 |
|
|
} |
635 |
|
|
|
636 |
|
|
|
637 |
|
|
/* |
638 |
|
|
* Display error alert |
639 |
|
|
*/ |
640 |
|
|
|
641 |
|
|
void ErrorAlert(const char *text) |
642 |
|
|
{ |
643 |
|
|
NSString *title = [NSString stringWithCString: |
644 |
|
|
GetString(STR_ERROR_ALERT_TITLE) ]; |
645 |
|
|
NSString *error = [NSString stringWithCString: text]; |
646 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_QUIT_BUTTON) ]; |
647 |
|
|
|
648 |
|
|
NSLog(error); |
649 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
650 |
|
|
return; |
651 |
|
|
VideoQuitFullScreen(); |
652 |
nigel |
1.1 |
NSRunCriticalAlertPanel(title, error, button, nil, nil); |
653 |
|
|
} |
654 |
|
|
|
655 |
|
|
|
656 |
|
|
/* |
657 |
|
|
* Display warning alert |
658 |
|
|
*/ |
659 |
|
|
|
660 |
|
|
void WarningAlert(const char *text) |
661 |
|
|
{ |
662 |
|
|
NSString *title = [NSString stringWithCString: |
663 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
664 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
665 |
|
|
NSString *button = [NSString stringWithCString: GetString(STR_OK_BUTTON) ]; |
666 |
|
|
|
667 |
|
|
NSLog(warning); |
668 |
nigel |
1.10 |
if ( PrefsFindBool("nogui") ) |
669 |
|
|
return; |
670 |
|
|
VideoQuitFullScreen(); |
671 |
nigel |
1.1 |
NSRunAlertPanel(title, warning, button, nil, nil); |
672 |
|
|
} |
673 |
|
|
|
674 |
|
|
|
675 |
|
|
/* |
676 |
|
|
* Display choice alert |
677 |
|
|
*/ |
678 |
|
|
|
679 |
|
|
bool ChoiceAlert(const char *text, const char *pos, const char *neg) |
680 |
|
|
{ |
681 |
|
|
NSString *title = [NSString stringWithCString: |
682 |
|
|
GetString(STR_WARNING_ALERT_TITLE) ]; |
683 |
|
|
NSString *warning = [NSString stringWithCString: text]; |
684 |
|
|
NSString *yes = [NSString stringWithCString: pos]; |
685 |
|
|
NSString *no = [NSString stringWithCString: neg]; |
686 |
|
|
|
687 |
|
|
return NSRunInformationalAlertPanel(title, warning, yes, no, nil); |
688 |
|
|
} |