| 48 |
|
#include <gtk/gtk.h> |
| 49 |
|
#endif |
| 50 |
|
|
| 51 |
< |
#if ENABLE_DGA |
| 51 |
> |
#if ENABLE_XF86_DGA |
| 52 |
|
#include <X11/Xlib.h> |
| 53 |
|
#include <X11/Xutil.h> |
| 54 |
|
#include <X11/extensions/xf86dga.h> |
| 55 |
|
#endif |
| 56 |
|
|
| 57 |
+ |
#if ENABLE_MON |
| 58 |
+ |
#include "mon.h" |
| 59 |
+ |
#endif |
| 60 |
+ |
|
| 61 |
+ |
#ifdef USE_MAPPED_MEMORY |
| 62 |
+ |
#include <sys/mman.h> |
| 63 |
+ |
extern char *address_space, *good_address_map; |
| 64 |
+ |
#endif |
| 65 |
+ |
|
| 66 |
|
|
| 67 |
|
// Constants |
| 68 |
|
const char ROM_FILE_NAME[] = "ROM"; |
| 96 |
|
static timer_t timer; // 60Hz timer |
| 97 |
|
#endif |
| 98 |
|
|
| 99 |
+ |
#if ENABLE_MON |
| 100 |
+ |
static struct sigaction sigint_sa; // sigaction for SIGINT handler |
| 101 |
+ |
static void sigint_handler(...); |
| 102 |
+ |
#endif |
| 103 |
+ |
|
| 104 |
|
|
| 105 |
|
// Prototypes |
| 106 |
|
static void *xpram_func(void *arg); |
| 146 |
|
for (int i=1; i<argc; i++) { |
| 147 |
|
if (strcmp(argv[i], "-display") == 0 && ++i < argc) |
| 148 |
|
x_display_name = argv[i]; |
| 149 |
+ |
else if (strcmp(argv[i], "-break") == 0 && ++i < argc) |
| 150 |
+ |
ROMBreakpoint = strtol(argv[i], NULL, 0); |
| 151 |
+ |
else if (strcmp(argv[i], "-rominfo") == 0) |
| 152 |
+ |
PrintROMInfo = true; |
| 153 |
|
} |
| 154 |
|
|
| 155 |
|
// Open display |
| 161 |
|
QuitEmulator(); |
| 162 |
|
} |
| 163 |
|
|
| 164 |
< |
#if ENABLE_DGA |
| 164 |
> |
#if ENABLE_XF86_DGA && !ENABLE_MON |
| 165 |
|
// Fork out, so we can return from fullscreen mode when things get ugly |
| 166 |
|
XF86DGAForkApp(DefaultScreen(x_display)); |
| 167 |
|
#endif |
| 183 |
|
if (!PrefsEditor()) |
| 184 |
|
QuitEmulator(); |
| 185 |
|
|
| 186 |
< |
// Create area for Mac RAM |
| 186 |
> |
// Read RAM size |
| 187 |
|
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
| 188 |
|
if (RAMSize < 1024*1024) { |
| 189 |
|
WarningAlert(GetString(STR_SMALL_RAM_WARN)); |
| 190 |
|
RAMSize = 1024*1024; |
| 191 |
|
} |
| 174 |
– |
RAMBaseHost = new uint8[RAMSize]; |
| 192 |
|
|
| 193 |
< |
// Create area for Mac ROM |
| 193 |
> |
// Create areas for Mac RAM and ROM |
| 194 |
> |
#ifdef USE_MAPPED_MEMORY |
| 195 |
> |
int fd = open("/dev/zero", O_RDWR); |
| 196 |
> |
good_address_map = (char *)mmap(NULL, 1<<24, PROT_READ, MAP_PRIVATE, fd, 0); |
| 197 |
> |
address_space = (char *)mmap(NULL, 1<<24, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); |
| 198 |
> |
if ((int)address_space < 0 || (int)good_address_map < 0) { |
| 199 |
> |
ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR)); |
| 200 |
> |
QuitEmulator(); |
| 201 |
> |
} |
| 202 |
> |
RAMBaseHost = (uint8 *)mmap(address_space, RAMSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, 0); |
| 203 |
> |
ROMBaseHost = (uint8 *)mmap(address_space + 0x00400000, 0x80000, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, 0); |
| 204 |
> |
close(fd); |
| 205 |
> |
char *nam = tmpnam(NULL); |
| 206 |
> |
int good_address_fd = open(nam, O_CREAT | O_RDWR, 0600); |
| 207 |
> |
char buffer[4096]; |
| 208 |
> |
memset(buffer, 1, sizeof(buffer)); |
| 209 |
> |
write(good_address_fd, buffer, sizeof(buffer)); |
| 210 |
> |
unlink(nam); |
| 211 |
> |
for (int i=0; i<RAMSize; i+=4096) |
| 212 |
> |
mmap(good_address_map + i, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
| 213 |
> |
for (int i=0; i<0x80000; i+=4096) |
| 214 |
> |
mmap(good_address_map + i + 0x00400000, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
| 215 |
> |
#else |
| 216 |
> |
RAMBaseHost = new uint8[RAMSize]; |
| 217 |
|
ROMBaseHost = new uint8[0x100000]; |
| 218 |
+ |
#endif |
| 219 |
|
|
| 220 |
|
// Get rom file path from preferences |
| 221 |
|
const char *rom_path = PrefsFindString("rom"); |
| 268 |
|
req.it_value.tv_nsec = 16625000; |
| 269 |
|
req.it_interval.tv_sec = 0; |
| 270 |
|
req.it_interval.tv_nsec = 16625000; |
| 271 |
< |
if (timer_settime(timer, TIMER_RELTIME, &req, NULL) < 0) { |
| 271 |
> |
if (timer_settime(timer, 0, &req, NULL) < 0) { |
| 272 |
|
printf("FATAL: cannot start timer\n"); |
| 273 |
|
QuitEmulator(); |
| 274 |
|
} |
| 293 |
|
} |
| 294 |
|
#endif |
| 295 |
|
|
| 296 |
+ |
#if ENABLE_MON |
| 297 |
+ |
// Setup SIGINT handler to enter mon |
| 298 |
+ |
sigemptyset(&sigint_sa.sa_mask); |
| 299 |
+ |
sigint_sa.sa_flags = 0; |
| 300 |
+ |
sigint_sa.sa_handler = sigint_handler; |
| 301 |
+ |
sigaction(SIGINT, &sigint_sa, NULL); |
| 302 |
+ |
#endif |
| 303 |
+ |
|
| 304 |
|
// Start 68k and jump to ROM boot routine |
| 305 |
|
Start680x0(); |
| 306 |
|
|
| 375 |
|
} |
| 376 |
|
#endif |
| 377 |
|
|
| 378 |
+ |
|
| 379 |
+ |
/* |
| 380 |
+ |
* SIGINT handler, enters mon |
| 381 |
+ |
*/ |
| 382 |
+ |
|
| 383 |
+ |
#if ENABLE_MON |
| 384 |
+ |
extern void m68k_dumpstate(uaecptr *nextpc); |
| 385 |
+ |
static void sigint_handler(...) |
| 386 |
+ |
{ |
| 387 |
+ |
uaecptr nextpc; |
| 388 |
+ |
m68k_dumpstate(&nextpc); |
| 389 |
+ |
char *arg[2] = {"rmon", NULL}; |
| 390 |
+ |
mon(1, arg); |
| 391 |
+ |
QuitEmulator(); |
| 392 |
+ |
} |
| 393 |
+ |
#endif |
| 394 |
+ |
|
| 395 |
|
|
| 396 |
|
/* |
| 397 |
|
* Interrupt flags (must be handled atomically!) |
