| 1 |
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/* |
| 2 |
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* main_unix.cpp - Startup code for Unix |
| 3 |
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* |
| 4 |
< |
* Basilisk II (C) 1997-2000 Christian Bauer |
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> |
* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
| 30 |
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# include <pthread.h> |
| 31 |
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#endif |
| 32 |
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|
| 33 |
< |
#if defined(USE_MAPPED_MEMORY) || REAL_ADDRESSING || DIRECT_ADDRESSING |
| 33 |
> |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 34 |
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# include <sys/mman.h> |
| 35 |
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#endif |
| 36 |
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|
| 50 |
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|
| 51 |
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#ifdef ENABLE_GTK |
| 52 |
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# include <gtk/gtk.h> |
| 53 |
+ |
# include <gdk/gdk.h> |
| 54 |
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#endif |
| 55 |
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|
| 56 |
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#ifdef ENABLE_XF86_DGA |
| 161 |
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static uint32 mapped_ram_rom_size; // Total size of mmap()ed RAM/ROM area |
| 162 |
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#endif |
| 163 |
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|
| 163 |
– |
#ifdef USE_MAPPED_MEMORY |
| 164 |
– |
extern char *address_space, *good_address_map; |
| 165 |
– |
#endif |
| 166 |
– |
|
| 164 |
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|
| 165 |
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// Prototypes |
| 166 |
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static void *xpram_func(void *arg); |
| 209 |
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printf(GetString(STR_ABOUT_TEXT1), VERSION_MAJOR, VERSION_MINOR); |
| 210 |
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printf(" %s\n", GetString(STR_ABOUT_TEXT2)); |
| 211 |
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|
| 212 |
< |
// Parse arguments |
| 212 |
> |
#ifdef ENABLE_GTK |
| 213 |
> |
// Init GTK |
| 214 |
> |
gtk_set_locale(); |
| 215 |
> |
gtk_init(&argc, &argv); |
| 216 |
> |
x_display_name = gdk_get_display(); // gtk_init() handles and removes the "--display" argument |
| 217 |
> |
#endif |
| 218 |
> |
|
| 219 |
> |
// Parse and remove arguments |
| 220 |
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for (int i=1; i<argc; i++) { |
| 221 |
< |
if (strcmp(argv[i], "-display") == 0 && ++i < argc) |
| 222 |
< |
x_display_name = argv[i]; |
| 223 |
< |
else if (strcmp(argv[i], "-break") == 0 && ++i < argc) |
| 224 |
< |
ROMBreakpoint = strtol(argv[i], NULL, 0); |
| 225 |
< |
else if (strcmp(argv[i], "-rominfo") == 0) |
| 221 |
> |
if (strcmp(argv[i], "--display") == 0) { |
| 222 |
> |
argv[i] = NULL; |
| 223 |
> |
if ((i + 1) < argc && argv[i + 1]) { |
| 224 |
> |
argv[i++] = NULL; |
| 225 |
> |
x_display_name = strdup(argv[i]); |
| 226 |
> |
} |
| 227 |
> |
} else if (strcmp(argv[i], "--break") == 0) { |
| 228 |
> |
argv[i] = NULL; |
| 229 |
> |
if ((i + 1) < argc && argv[i + 1]) { |
| 230 |
> |
argv[i++] = NULL; |
| 231 |
> |
ROMBreakpoint = strtol(argv[i], NULL, 0); |
| 232 |
> |
} |
| 233 |
> |
} else if (strcmp(argv[i], "--rominfo") == 0) { |
| 234 |
> |
argv[i] = NULL; |
| 235 |
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PrintROMInfo = true; |
| 236 |
+ |
} |
| 237 |
+ |
} |
| 238 |
+ |
for (int i=1; i<argc; i++) { |
| 239 |
+ |
int k; |
| 240 |
+ |
for (k=i; k<argc; k++) |
| 241 |
+ |
if (argv[k] != NULL) |
| 242 |
+ |
break; |
| 243 |
+ |
if (k > i) { |
| 244 |
+ |
k -= i; |
| 245 |
+ |
for (int j=i+k; j<argc; j++) |
| 246 |
+ |
argv[j-k] = argv[j]; |
| 247 |
+ |
argc -= k; |
| 248 |
+ |
} |
| 249 |
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} |
| 250 |
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|
| 251 |
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// Open display |
| 262 |
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XF86DGAForkApp(DefaultScreen(x_display)); |
| 263 |
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#endif |
| 264 |
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|
| 239 |
– |
#ifdef ENABLE_GTK |
| 240 |
– |
// Init GTK |
| 241 |
– |
gtk_set_locale(); |
| 242 |
– |
gtk_init(&argc, &argv); |
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– |
#endif |
| 244 |
– |
|
| 265 |
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// Read preferences |
| 266 |
< |
PrefsInit(); |
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> |
PrefsInit(argc, argv); |
| 267 |
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|
| 268 |
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// Init system routines |
| 269 |
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SysInit(); |
| 333 |
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#endif |
| 334 |
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|
| 335 |
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// Create areas for Mac RAM and ROM |
| 336 |
< |
#if defined(USE_MAPPED_MEMORY) |
| 317 |
< |
good_address_map = (char *)mmap(NULL, 1<<24, PROT_READ, MAP_PRIVATE, zero_fd, 0); |
| 318 |
< |
address_space = (char *)mmap(NULL, 1<<24, PROT_READ | PROT_WRITE, MAP_PRIVATE, zero_fd, 0); |
| 319 |
< |
if ((int)address_space < 0 || (int)good_address_map < 0) { |
| 320 |
< |
ErrorAlert(GetString(STR_NOT_ENOUGH_MEMORY_ERR)); |
| 321 |
< |
QuitEmulator(); |
| 322 |
< |
} |
| 323 |
< |
RAMBaseHost = (uint8 *)mmap(address_space, RAMSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, zero_fd, 0); |
| 324 |
< |
ROMBaseHost = (uint8 *)mmap(address_space + 0x00400000, 0x80000, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, zero_fd, 0); |
| 325 |
< |
char *nam = tmpnam(NULL); |
| 326 |
< |
int good_address_fd = open(nam, O_CREAT | O_RDWR, 0600); |
| 327 |
< |
char buffer[4096]; |
| 328 |
< |
memset(buffer, 1, sizeof(buffer)); |
| 329 |
< |
write(good_address_fd, buffer, sizeof(buffer)); |
| 330 |
< |
unlink(nam); |
| 331 |
< |
for (int i=0; i<RAMSize; i+=4096) |
| 332 |
< |
mmap(good_address_map + i, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
| 333 |
< |
for (int i=0; i<0x80000; i+=4096) |
| 334 |
< |
mmap(good_address_map + i + 0x00400000, 4096, PROT_READ, MAP_FIXED | MAP_PRIVATE, good_address_fd, 0); |
| 335 |
< |
#elif REAL_ADDRESSING || DIRECT_ADDRESSING |
| 336 |
> |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
| 337 |
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// gb-- Overkill, needs to be cleaned up. Probably explode it for either |
| 338 |
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// real or direct addressing mode. |
| 339 |
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#if REAL_ADDRESSING |
| 422 |
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printf("WARNING: Cannot detect CPU type, assuming 68020\n"); |
| 423 |
|
CPUType = 2; |
| 424 |
|
} |
| 425 |
< |
FPUType = 0; //!! |
| 425 |
> |
FPUType = 1; // NetBSD has an FPU emulation, so the FPU ought to be available at all times |
| 426 |
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TwentyFourBitAddressing = false; |
| 427 |
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#endif |
| 428 |
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|
| 774 |
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{ |
| 775 |
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while (!xpram_thread_cancel) { |
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for (int i=0; i<60 && !xpram_thread_cancel; i++) |
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< |
Delay_usec(1000000); |
| 777 |
> |
Delay_usec(999999); // Only wait 1 second so we quit promptly when xpram_thread_cancel becomes true |
| 778 |
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xpram_watchdog(); |
| 779 |
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} |
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return NULL; |
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|
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/* |
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* Delay by specified number of microseconds (<1 second) |
| 864 |
< |
* (adapted from SDL_Delay() source) |
| 864 |
> |
* (adapted from SDL_Delay() source; this function is designed to provide |
| 865 |
> |
* the highest accuracy possible) |
| 866 |
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*/ |
| 867 |
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|
| 868 |
+ |
#if defined(linux) |
| 869 |
+ |
// Linux select() changes its timeout parameter upon return to contain |
| 870 |
+ |
// the remaining time. Most other unixen leave it unchanged or undefined. |
| 871 |
+ |
#define SELECT_SETS_REMAINING |
| 872 |
+ |
#elif defined(__FreeBSD__) || defined(__sun__) || defined(sgi) |
| 873 |
+ |
#define USE_NANOSLEEP |
| 874 |
+ |
#endif |
| 875 |
+ |
|
| 876 |
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void Delay_usec(uint32 usec) |
| 877 |
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{ |
| 878 |
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int was_error; |
| 879 |
< |
#ifndef __linux__ // Non-Linux implementations need to calculate time left |
| 879 |
> |
|
| 880 |
> |
#ifdef USE_NANOSLEEP |
| 881 |
> |
struct timespec elapsed, tv; |
| 882 |
> |
#else |
| 883 |
> |
struct timeval tv; |
| 884 |
> |
#ifndef SELECT_SETS_REMAINING |
| 885 |
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uint64 then, now, elapsed; |
| 886 |
|
#endif |
| 887 |
< |
struct timeval tv; |
| 887 |
> |
#endif |
| 888 |
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|
| 889 |
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// Set the timeout interval - Linux only needs to do this once |
| 890 |
< |
#ifdef __linux__ |
| 891 |
< |
tv.tv_sec = 0; |
| 892 |
< |
tv.tv_usec = usec; |
| 890 |
> |
#ifdef SELECT_SETS_REMAINING |
| 891 |
> |
tv.tv_sec = 0; |
| 892 |
> |
tv.tv_usec = usec; |
| 893 |
> |
#elif defined(USE_NANOSLEEP) |
| 894 |
> |
elapsed.tv_sec = 0; |
| 895 |
> |
elapsed.tv_nsec = usec * 1000; |
| 896 |
|
#else |
| 897 |
< |
then = GetTicks_usec(); |
| 897 |
> |
then = GetTicks_usec(); |
| 898 |
|
#endif |
| 899 |
+ |
|
| 900 |
|
do { |
| 901 |
|
errno = 0; |
| 902 |
< |
#ifndef __linux__ |
| 903 |
< |
/* Calculate the time interval left (in case of interrupt) */ |
| 902 |
> |
#ifdef USE_NANOSLEEP |
| 903 |
> |
tv.tv_sec = elapsed.tv_sec; |
| 904 |
> |
tv.tv_nsec = elapsed.tv_nsec; |
| 905 |
> |
was_error = nanosleep(&tv, &elapsed); |
| 906 |
> |
#else |
| 907 |
> |
#ifndef SELECT_SETS_REMAINING |
| 908 |
> |
// Calculate the time interval left (in case of interrupt) |
| 909 |
|
now = GetTicks_usec(); |
| 910 |
|
elapsed = now - then; |
| 911 |
|
then = now; |
| 916 |
|
tv.tv_usec = usec; |
| 917 |
|
#endif |
| 918 |
|
was_error = select(0, NULL, NULL, NULL, &tv); |
| 919 |
+ |
#endif |
| 920 |
|
} while (was_error && (errno == EINTR)); |
| 921 |
|
} |
| 922 |
|
|
| 971 |
|
|
| 972 |
|
#define STORE_SR(v) \ |
| 973 |
|
scp->sc_ps = (v) & 0xff; \ |
| 974 |
< |
EmulatedSR = (v) & 0x2700; \ |
| 974 |
> |
EmulatedSR = (v) & 0xe700; \ |
| 975 |
|
if (((v) & 0x0700) == 0 && InterruptFlags) \ |
| 976 |
|
TriggerInterrupt(); |
| 977 |
|
|
| 1034 |
|
case 0x007c: { // ori #xxxx,sr |
| 1035 |
|
uint16 sr = GET_SR | pc[1]; |
| 1036 |
|
scp->sc_ps = sr & 0xff; // oring bits into the sr can't enable interrupts, so we don't need to call STORE_SR |
| 1037 |
< |
EmulatedSR = sr & 0x2700; |
| 1037 |
> |
EmulatedSR = sr & 0xe700; |
| 1038 |
|
INC_PC(4); |
| 1039 |
|
break; |
| 1040 |
|
} |
| 1111 |
|
} |
| 1112 |
|
|
| 1113 |
|
case 0xf327: // fsave -(sp) |
| 1114 |
< |
goto ill; //!! |
| 1114 |
> |
if (CPUIs68060) { |
| 1115 |
> |
regs->a[7] -= 4; |
| 1116 |
> |
WriteMacInt32(regs->a[7], 0x60000000); // Idle frame |
| 1117 |
> |
regs->a[7] -= 4; |
| 1118 |
> |
WriteMacInt32(regs->a[7], 0); |
| 1119 |
> |
regs->a[7] -= 4; |
| 1120 |
> |
WriteMacInt32(regs->a[7], 0); |
| 1121 |
> |
} else { |
| 1122 |
> |
regs->a[7] -= 4; |
| 1123 |
> |
WriteMacInt32(regs->a[7], 0x41000000); // Idle frame |
| 1124 |
> |
} |
| 1125 |
> |
scp->sc_sp = regs->a[7]; |
| 1126 |
> |
INC_PC(2); |
| 1127 |
> |
break; |
| 1128 |
|
|
| 1129 |
|
case 0xf35f: // frestore (sp)+ |
| 1130 |
< |
goto ill; //!! |
| 1130 |
> |
if (CPUIs68060) |
| 1131 |
> |
regs->a[7] += 12; |
| 1132 |
> |
else |
| 1133 |
> |
regs->a[7] += 4; |
| 1134 |
> |
scp->sc_sp = regs->a[7]; |
| 1135 |
> |
INC_PC(2); |
| 1136 |
> |
break; |
| 1137 |
|
|
| 1138 |
< |
case 0x4e73: { // rte (only handles format 0) |
| 1138 |
> |
case 0x4e73: { // rte |
| 1139 |
|
uint32 a7 = regs->a[7]; |
| 1140 |
|
uint16 sr = ReadMacInt16(a7); |
| 1141 |
|
a7 += 2; |
| 1142 |
|
scp->sc_ps = sr & 0xff; |
| 1143 |
< |
EmulatedSR = sr & 0x2700; |
| 1143 |
> |
EmulatedSR = sr & 0xe700; |
| 1144 |
|
scp->sc_pc = ReadMacInt32(a7); |
| 1145 |
< |
a7 += 6; |
| 1146 |
< |
scp->sc_sp = regs->a[7] = a7; |
| 1145 |
> |
a7 += 4; |
| 1146 |
> |
uint16 format = ReadMacInt16(a7) >> 12; |
| 1147 |
> |
a7 += 2; |
| 1148 |
> |
static const int frame_adj[16] = { |
| 1149 |
> |
0, 0, 4, 4, 8, 0, 0, 52, 50, 12, 24, 84, 16, 0, 0, 0 |
| 1150 |
> |
}; |
| 1151 |
> |
scp->sc_sp = regs->a[7] = a7 + frame_adj[format]; |
| 1152 |
|
break; |
| 1153 |
|
} |
| 1154 |
|
|
| 1155 |
|
case 0x4e7a: // movec cr,x |
| 1156 |
|
switch (pc[1]) { |
| 1108 |
– |
case 0x8801: // movec vbr,a0 |
| 1109 |
– |
regs->a[0] = 0; |
| 1110 |
– |
break; |
| 1111 |
– |
case 0x9801: // movec vbr,a1 |
| 1112 |
– |
regs->a[1] = 0; |
| 1113 |
– |
break; |
| 1157 |
|
case 0x0002: // movec cacr,d0 |
| 1158 |
|
regs->d[0] = 0x3111; |
| 1159 |
|
break; |
| 1161 |
|
regs->d[1] = 0x3111; |
| 1162 |
|
break; |
| 1163 |
|
case 0x0003: // movec tc,d0 |
| 1164 |
+ |
case 0x0004: // movec itt0,d0 |
| 1165 |
+ |
case 0x0005: // movec itt1,d0 |
| 1166 |
+ |
case 0x0006: // movec dtt0,d0 |
| 1167 |
+ |
case 0x0007: // movec dtt1,d0 |
| 1168 |
+ |
case 0x0806: // movec urp,d0 |
| 1169 |
+ |
case 0x0807: // movec srp,d0 |
| 1170 |
|
regs->d[0] = 0; |
| 1171 |
|
break; |
| 1172 |
+ |
case 0x1000: // movec sfc,d1 |
| 1173 |
+ |
case 0x1001: // movec dfc,d1 |
| 1174 |
|
case 0x1003: // movec tc,d1 |
| 1175 |
+ |
case 0x1801: // movec vbr,d1 |
| 1176 |
|
regs->d[1] = 0; |
| 1177 |
|
break; |
| 1178 |
+ |
case 0x8801: // movec vbr,a0 |
| 1179 |
+ |
regs->a[0] = 0; |
| 1180 |
+ |
break; |
| 1181 |
+ |
case 0x9801: // movec vbr,a1 |
| 1182 |
+ |
regs->a[1] = 0; |
| 1183 |
+ |
break; |
| 1184 |
|
default: |
| 1185 |
|
goto ill; |
| 1186 |
|
} |
| 1189 |
|
|
| 1190 |
|
case 0x4e7b: // movec x,cr |
| 1191 |
|
switch (pc[1]) { |
| 1192 |
+ |
case 0x1000: // movec d1,sfc |
| 1193 |
+ |
case 0x1001: // movec d1,dfc |
| 1194 |
|
case 0x0801: // movec d0,vbr |
| 1195 |
+ |
case 0x1801: // movec d1,vbr |
| 1196 |
|
break; |
| 1197 |
|
case 0x0002: // movec d0,cacr |
| 1198 |
|
case 0x1002: // movec d1,cacr |
