| 1 |
|
/* |
| 2 |
|
* main_unix.cpp - Startup code for Unix |
| 3 |
|
* |
| 4 |
< |
* Basilisk II (C) 1997-1999 Christian Bauer |
| 4 |
> |
* Basilisk II (C) 1997-2000 Christian Bauer |
| 5 |
|
* |
| 6 |
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
* it under the terms of the GNU General Public License as published by |
| 27 |
|
|
| 28 |
|
#include "cpu_emulation.h" |
| 29 |
|
#include "sys.h" |
| 30 |
+ |
#include "rom_patches.h" |
| 31 |
|
#include "xpram.h" |
| 32 |
|
#include "timer.h" |
| 32 |
– |
#include "sony.h" |
| 33 |
– |
#include "disk.h" |
| 34 |
– |
#include "cdrom.h" |
| 35 |
– |
#include "scsi.h" |
| 36 |
– |
#include "audio.h" |
| 33 |
|
#include "video.h" |
| 38 |
– |
#include "serial.h" |
| 39 |
– |
#include "ether.h" |
| 40 |
– |
#include "clip.h" |
| 41 |
– |
#include "rom_patches.h" |
| 34 |
|
#include "prefs.h" |
| 35 |
|
#include "prefs_editor.h" |
| 36 |
|
#include "macos_util.h" |
| 38 |
|
#include "version.h" |
| 39 |
|
#include "main.h" |
| 40 |
|
|
| 41 |
< |
#define DEBUG 1 |
| 41 |
> |
#define DEBUG 0 |
| 42 |
|
#include "debug.h" |
| 43 |
|
|
| 44 |
|
|
| 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(XDefaultScreen(x_display)); |
| 166 |
> |
XF86DGAForkApp(DefaultScreen(x_display)); |
| 167 |
|
#endif |
| 168 |
|
|
| 169 |
|
#if ENABLE_GTK |
| 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 |
|
} |
| 182 |
– |
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"); |
| 240 |
|
QuitEmulator(); |
| 241 |
|
} |
| 242 |
|
|
| 243 |
< |
// Check ROM version |
| 244 |
< |
if (!CheckROM()) { |
| 212 |
< |
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR)); |
| 243 |
> |
// Initialize everything |
| 244 |
> |
if (!InitAll()) |
| 245 |
|
QuitEmulator(); |
| 214 |
– |
} |
| 215 |
– |
|
| 216 |
– |
// Set CPU and FPU type (UAE emulation) |
| 217 |
– |
switch (ROMVersion) { |
| 218 |
– |
case ROM_VERSION_64K: |
| 219 |
– |
case ROM_VERSION_PLUS: |
| 220 |
– |
case ROM_VERSION_CLASSIC: |
| 221 |
– |
CPUType = 0; |
| 222 |
– |
FPUType = 0; |
| 223 |
– |
TwentyFourBitAddressing = true; |
| 224 |
– |
break; |
| 225 |
– |
case ROM_VERSION_II: |
| 226 |
– |
CPUType = 2; |
| 227 |
– |
FPUType = PrefsFindBool("fpu") ? 1 : 0; |
| 228 |
– |
TwentyFourBitAddressing = true; |
| 229 |
– |
break; |
| 230 |
– |
case ROM_VERSION_32: |
| 231 |
– |
CPUType = 3; |
| 232 |
– |
FPUType = PrefsFindBool("fpu") ? 1 : 0; |
| 233 |
– |
TwentyFourBitAddressing = false; |
| 234 |
– |
break; |
| 235 |
– |
} |
| 236 |
– |
CPUIs68060 = false; |
| 237 |
– |
|
| 238 |
– |
// Load XPRAM |
| 239 |
– |
XPRAMInit(); |
| 240 |
– |
|
| 241 |
– |
// Set boot volume |
| 242 |
– |
int16 i16 = PrefsFindInt16("bootdrive"); |
| 243 |
– |
XPRAM[0x78] = i16 >> 8; |
| 244 |
– |
XPRAM[0x79] = i16 & 0xff; |
| 245 |
– |
i16 = PrefsFindInt16("bootdriver"); |
| 246 |
– |
XPRAM[0x7a] = i16 >> 8; |
| 247 |
– |
XPRAM[0x7b] = i16 & 0xff; |
| 246 |
|
|
| 247 |
|
// Start XPRAM watchdog thread |
| 248 |
|
xpram_thread_active = (pthread_create(&xpram_thread, NULL, xpram_func, NULL) == 0); |
| 249 |
|
|
| 252 |
– |
// Init drivers |
| 253 |
– |
SonyInit(); |
| 254 |
– |
DiskInit(); |
| 255 |
– |
CDROMInit(); |
| 256 |
– |
SCSIInit(); |
| 257 |
– |
|
| 258 |
– |
// Init serial ports |
| 259 |
– |
SerialInit(); |
| 260 |
– |
|
| 261 |
– |
// Init network |
| 262 |
– |
EtherInit(); |
| 263 |
– |
|
| 264 |
– |
// Init Time Manager |
| 265 |
– |
TimerInit(); |
| 266 |
– |
|
| 267 |
– |
// Init clipboard |
| 268 |
– |
ClipInit(); |
| 269 |
– |
|
| 270 |
– |
// Init audio |
| 271 |
– |
AudioInit(); |
| 272 |
– |
|
| 273 |
– |
// Init video |
| 274 |
– |
if (!VideoInit(ROMVersion == ROM_VERSION_64K || ROMVersion == ROM_VERSION_PLUS || ROMVersion == ROM_VERSION_CLASSIC)) |
| 275 |
– |
QuitEmulator(); |
| 276 |
– |
|
| 277 |
– |
// Init 680x0 emulation (this also activates the memory system which is needed for PatchROM()) |
| 278 |
– |
if (!Init680x0()) |
| 279 |
– |
QuitEmulator(); |
| 280 |
– |
|
| 281 |
– |
// Install ROM patches |
| 282 |
– |
if (!PatchROM()) { |
| 283 |
– |
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR)); |
| 284 |
– |
QuitEmulator(); |
| 285 |
– |
} |
| 286 |
– |
|
| 250 |
|
#if defined(HAVE_TIMER_CREATE) && defined(_POSIX_REALTIME_SIGNALS) |
| 251 |
|
// Start 60Hz timer |
| 252 |
|
sigemptyset(&timer_sa.sa_mask); |
| 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 |
|
|
| 341 |
|
pthread_join(xpram_thread, NULL); |
| 342 |
|
} |
| 343 |
|
|
| 344 |
< |
// Save XPRAM |
| 345 |
< |
XPRAMExit(); |
| 375 |
< |
|
| 376 |
< |
// Exit video |
| 377 |
< |
VideoExit(); |
| 378 |
< |
|
| 379 |
< |
// Exit audio |
| 380 |
< |
AudioExit(); |
| 381 |
< |
|
| 382 |
< |
// Exit clipboard |
| 383 |
< |
ClipExit(); |
| 384 |
< |
|
| 385 |
< |
// Exit Time Manager |
| 386 |
< |
TimerExit(); |
| 387 |
< |
|
| 388 |
< |
// Exit serial ports |
| 389 |
< |
SerialExit(); |
| 390 |
< |
|
| 391 |
< |
// Exit network |
| 392 |
< |
EtherExit(); |
| 393 |
< |
|
| 394 |
< |
// Exit drivers |
| 395 |
< |
SCSIExit(); |
| 396 |
< |
CDROMExit(); |
| 397 |
< |
DiskExit(); |
| 398 |
< |
SonyExit(); |
| 344 |
> |
// Deinitialize everything |
| 345 |
> |
ExitAll(); |
| 346 |
|
|
| 347 |
|
// Delete ROM area |
| 348 |
|
delete[] ROMBaseHost; |
| 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!) |
