void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
{
// Set default finder info
Mac_memset(finfo, 0, SIZEOF_FInfo);
if (fxinfo)
Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
WriteMacInt32(finfo + fdLocation, (uint32)-1);
// Open file
int fd = open(path, O_RDONLY);
if (fd < 0)
return;
if (!is_dir) {
// Read BeOS MIME type
ssize_t actual = fs_read_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, tmp_buf, 256);
tmp_buf[255] = 0;
if (actual > 0) {
// Translate MIME type to MacOS type/creator
uint8 mactype[4];
if (sscanf((char *)tmp_buf, "application/x-MacOS-%c%c%c%c", mactype, mactype+1, mactype+2, mactype+3) == 4) {
// MacOS style type
WriteMacInt32(finfo + fdType, (mactype[0] << 24) | (mactype[1] << 16) | (mactype[2] << 8) | mactype[3]);
} else {
// MIME string, look in table
for (int i=0; m2t_translation[i].mime; i++) {
if (!strcmp((char *)tmp_buf, m2t_translation[i].mime)) {
WriteMacInt32(finfo + fdType, m2t_translation[i].type);
WriteMacInt32(finfo + fdCreator, m2t_translation[i].creator);
break;
}
}
}
}
// Override file type with MACOS:CREATOR attribute
if (fs_read_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, tmp_buf, 4) == 4)
WriteMacInt32(finfo + fdCreator, (tmp_buf[0] << 24) | (tmp_buf[1] << 16) | (tmp_buf[2] << 8) | tmp_buf[3]);
}
// Read MACOS:HFS_FLAGS attribute
if (fs_read_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, tmp_buf, 2) == 2)
WriteMacInt16(finfo + fdFlags, (tmp_buf[0] << 8) | tmp_buf[1]);
// Close file
close(fd);
}
void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
{
// Set default finder info
Mac_memset(finfo, 0, SIZEOF_FInfo);
if (fxinfo)
Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
WriteMacInt32(finfo + fdLocation, (uint32)-1);
// Read Finder info file
int fd = open_finf(path, O_RDONLY);
if (fd >= 0) {
ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
if (fxinfo)
actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
close(fd);
if (actual >= SIZEOF_FInfo)
return;
}
// No Finder info file, translate file name extension to MacOS type/creator
if (!is_dir) {
int path_len = strlen(path);
for (int i=0; e2t_translation[i].ext; i++) {
int ext_len = strlen(e2t_translation[i].ext);
if (path_len < ext_len)
continue;
if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
WriteMacInt32(finfo + fdType, e2t_translation[i].type);
WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
break;
}
}
}
}
void TimerInterrupt(void)
{
// Look for active TMTasks that have expired
tm_time_t now;
timer_current_time(now);
for (int i=0; i<NUM_DESCS; i++)
if (desc[i].in_use) {
uint32 tm = desc[i].task;
if ((ReadMacInt16(tm + qType) & 0x8000) && timer_cmp_time(desc[i].wakeup, now) < 0) {
// Found one, mark as inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
// Call timer function
uint32 addr = ReadMacInt32(tm + tmAddr);
if (addr) {
D(bug("Calling TimeTask %08lx, addr %08lx\n", tm, addr));
M68kRegisters r;
r.a[0] = addr;
r.a[1] = tm;
Execute68k(addr, &r);
}
}
}
}
int16 RmvTime(uint32 tm)
{
D(bug("RmvTime %08lx\n", tm));
// Find descriptor
int i = find_desc(tm);
if (i < 0) {
D(bug("WARNING: RmvTime(%08lx): Descriptor not found\n", tm));
return 0;
}
// Task active?
if (ReadMacInt16(tm + qType) & 0x8000) {
// Yes, make task inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
// Compute remaining time
tm_time_t remaining, current;
timer_current_time(current);
timer_sub_time(remaining, desc[i].wakeup, current);
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining));
} else
WriteMacInt32(tm + tmCount, 0);
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount)));
// Free descriptor
free_desc(i);
return 0;
}
int16 PrimeTime(uint32 tm, int32 time)
{
D(bug("PrimeTime %08lx, time %ld\n", tm, time));
// Find descriptor
int i = find_desc(tm);
if (i < 0) {
printf("FATAL: PrimeTime(): Descriptor not found\n");
return 0;
}
// Extended task?
if (ReadMacInt16(tm + qType) & 0x4000) {
// Convert delay time
tm_time_t delay;
timer_mac2host_time(delay, time);
// Yes, tmWakeUp set?
if (ReadMacInt32(tm + tmWakeUp)) {
//!! PrimeTime(0) means continue previous delay
// (save wakeup time in RmvTime?)
if (time == 0) {
printf("FATAL: Unsupported PrimeTime(0)\n");
return 0;
}
// Yes, calculate wakeup time relative to last scheduled time
tm_time_t wakeup;
timer_add_time(wakeup, desc[i].wakeup, delay);
desc[i].wakeup = wakeup;
} else {
// No, calculate wakeup time relative to current time
tm_time_t now;
timer_current_time(now);
timer_add_time(desc[i].wakeup, now, delay);
}
// Set tmWakeUp to indicate that task was scheduled
WriteMacInt32(tm + tmWakeUp, 0x12345678);
} else {
// Not extended task, calculate wakeup time relative to current time
tm_time_t delay;
timer_mac2host_time(delay, time);
timer_current_time(desc[i].wakeup);
timer_add_time(desc[i].wakeup, desc[i].wakeup, delay);
}
// Make task active and enqueue it in the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) | 0x8000);
enqueue_tm(tm);
return 0;
}
void *XSERDPort::output_func(void *arg)
{
XSERDPort *s = (XSERDPort *)arg;
while (!s->output_thread_cancel) {
// Wait for commands
sem_wait(&s->output_signal);
if (s->quitting)
break;
// Execute command
void *buf = Mac2HostAddr(ReadMacInt32(s->output_pb + ioBuffer));
uint32 length = ReadMacInt32(s->output_pb + ioReqCount);
D(bug("output_func transmitting %ld bytes of data...\n", length));
#if MONITOR
bug("Sending serial data:\n");
uint8 *adr = (uint8 *)buf;
for (int i=0; i<length; i++) {
bug("%02x ", adr[i]);
}
bug("\n");
#endif
int32 actual = write(s->fd, buf, length);
D(bug(" %ld bytes transmitted\n", actual));
// KillIO called? Then simply return
if (s->io_killed) {
WriteMacInt16(s->output_pb + ioResult, uint16(abortErr));
WriteMacInt32(s->output_pb + ioActCount, 0);
s->write_pending = s->write_done = false;
} else {
// Set error code
if (actual >= 0) {
WriteMacInt32(s->output_pb + ioActCount, actual);
WriteMacInt32(s->output_dt + serdtResult, noErr);
} else {
WriteMacInt32(s->output_pb + ioActCount, 0);
WriteMacInt32(s->output_dt + serdtResult, uint16(writErr));
}
// Trigger serial interrupt
D(bug(" triggering serial interrupt\n"));
s->write_done = true;
SetInterruptFlag(INTFLAG_SERIAL);
TriggerInterrupt();
}
}
return NULL;
}
int16 InsTime(uint32 tm, uint16 trap)
{
D(bug("InsTime %08lx, trap %04x\n", tm, trap));
WriteMacInt16((uint32)tm + qType, ReadMacInt16((uint32)tm + qType) & 0x1fff | (trap << 4) & 0x6000);
if (the_app->find_desc(tm))
printf("WARNING: InsTime(%08lx): Task re-inserted\n", tm);
else {
the_app->add_desc(tm);
}
return 0;
}
int16 InsTime(uint32 tm, uint16 trap)
{
D(bug("InsTime %08lx, trap %04x\n", tm, trap));
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x1fff | (trap << 4) & 0x6000);
if (find_desc(tm) >= 0)
printf("WARNING: InsTime(): Task re-inserted\n");
else {
int i = alloc_desc(tm);
if (i < 0)
printf("FATAL: InsTime(): No free Time Manager descriptor\n");
}
return 0;
}
int16 InsTime(uint32 tm, uint16 trap)
{
D(bug("InsTime %08lx, trap %04x\n", tm, trap));
WriteMacInt16((uint32)tm + qType, ReadMacInt16((uint32)tm + qType) & 0x1fff | (trap << 4) & 0x6000);
if (find_desc(tm))
printf("WARNING: InsTime(%08lx): Task re-inserted\n", (long unsigned int)tm);
else {
TMDesc *desc = new TMDesc;
desc->task = tm;
desc->next = tmDescList;
tmDescList = desc;
}
return 0;
}
int16 RmvTime(uint32 tm)
{
D(bug("RmvTime %08lx\n", tm));
// Find descriptor
TMDesc *desc = find_desc(tm);
if (!desc) {
printf("WARNING: RmvTime(%08lx): Descriptor not found\n", (long unsigned int)tm);
return 0;
}
// Task active?
#if PRECISE_TIMING_BEOS
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
suspend_thread(timer_thread);
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_wait(wakeup_time_sem);
thread_suspend(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
timer_thread_suspend();
pthread_mutex_lock(&wakeup_time_lock);
#endif
if (ReadMacInt16(tm + qType) & 0x8000) {
// Yes, make task inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
#if PRECISE_TIMING
// Look for next task to be called and set wakeup_time
wakeup_time = wakeup_time_max;
for (TMDesc *d = tmDescList; d; d = d->next)
if ((ReadMacInt16(d->task + qType) & 0x8000))
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
wakeup_time = d->wakeup;
#endif
// Compute remaining time
tm_time_t remaining, current;
timer_current_time(current);
timer_sub_time(remaining, desc->wakeup, current);
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining));
} else
WriteMacInt32(tm + tmCount, 0);
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount)));
#if PRECISE_TIMING_BEOS
release_sem(wakeup_time_sem);
thread_info info;
do {
resume_thread(timer_thread); // This will unblock the thread
get_thread_info(timer_thread, &info);
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_signal(wakeup_time_sem);
thread_abort(timer_thread);
thread_resume(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
pthread_mutex_unlock(&wakeup_time_lock);
timer_thread_resume();
assert(suspend_count == 0);
#endif
// Free descriptor
free_desc(desc);
return 0;
}
// !!UNC
void init_posix_emu(void)
{
if(!validate_stat_struct) {
ErrorAlert( "Invalid struct my_stat -- edit posix_emu.h" );
QuitEmulator();
}
#if DEBUG_EXTFS
debug_extfs = PrefsFindInt16("debugextfs");
debug_extfs = DB_EXTFS_LOUD;
if(debug_extfs != DB_EXTFS_NONE) {
extfs_log_open( EXTFS_LOG_FILE_NAME );
}
#endif
// We cannot use ExtFS "RootPath" because of the virtual desktop.
if(PrefsFindBool("enableextfs")) {
PrefsReplaceString("extfs", "");
} else {
PrefsRemoveItem("extfs");
D(bug("extfs disabled by user\n"));
#if DEBUG_EXTFS
extfs_log_close();
#endif
return;
}
const char *extdrives = PrefsFindString("extdrives");
// Set up drive list.
size_t outinx = 0;
for( TCHAR letter = TEXT('A'); letter <= TEXT('Z'); letter++ ) {
if(extdrives && !strchr(extdrives,letter)) continue;
TCHAR rootdir[20];
_sntprintf( rootdir, lengthof(rootdir), TEXT("%c:\\"), letter );
use_streams[ letter - 'A' ] = false;
switch(GetDriveType(rootdir)) {
case DRIVE_FIXED:
case DRIVE_REMOTE:
case DRIVE_RAMDISK:
// TODO: NTFS AFP?
// fall
case DRIVE_REMOVABLE:
case DRIVE_CDROM:
if(outinx < lengthof(host_drive_list)) {
host_drive_list[outinx] = letter;
outinx += 2;
}
}
}
// Set up virtual desktop root.
// TODO: this should be customizable.
GetModuleFileName( NULL, virtual_root, lengthof(virtual_root) );
TCHAR *p = _tcsrchr( virtual_root, TEXT('\\') );
if(p) {
_tcscpy( ++p, desktop_name );
} else {
// should never happen
_sntprintf( virtual_root, lengthof(virtual_root), TEXT("C:\\%s"), desktop_name );
}
CreateDirectory( virtual_root, 0 );
// Set up an icon looking like "My Computer"
// Can be overwritten just like any other folder custom icon.
if(my_access(custom_icon_name,0) != 0) {
int fd = my_creat( custom_icon_name, 0 );
if(fd >= 0) {
my_close(fd);
fd = open_rfork( custom_icon_name, O_RDWR|O_CREAT );
if(fd >= 0) {
my_write( fd, my_comp_icon, sizeof(my_comp_icon) );
my_close(fd);
static uint8 host_finfo[SIZEOF_FInfo];
uint32 finfo = Host2MacAddr(host_finfo);
get_finfo(custom_icon_name, finfo, 0, false);
WriteMacInt16(finfo + fdFlags, kIsInvisible);
set_finfo(custom_icon_name, finfo, 0, false);
get_finfo(my_computer, finfo, 0, true);
WriteMacInt16(finfo + fdFlags, ReadMacInt16(finfo + fdFlags) | kHasCustomIcon);
set_finfo(my_computer, finfo, 0, true);
} else {
my_remove(custom_icon_name);
}
}
}
}
int16 EtherControl(uint32 pb, uint32 dce)
{
uint16 code = ReadMacInt16(pb + csCode);
D(bug("EtherControl %d\n", code));
switch (code) {
case 1: // KillIO
return -1;
case kENetAddMulti: // Add multicast address
D(bug("AddMulti %08lx%04x\n", ReadMacInt32(pb + eMultiAddr), ReadMacInt16(pb + eMultiAddr + 4)));
if (net_open)
return ether_add_multicast(pb);
else
return noErr;
case kENetDelMulti: // Delete multicast address
D(bug("DelMulti %08lx%04x\n", ReadMacInt32(pb + eMultiAddr), ReadMacInt16(pb + eMultiAddr + 4)));
if (net_open)
return ether_del_multicast(pb);
else
return noErr;
case kENetAttachPH: // Attach protocol handler
D(bug("AttachPH prot %04x, handler %08lx\n", ReadMacInt16(pb + eProtType), ReadMacInt32(pb + ePointer)));
if (net_open)
return ether_attach_ph(ReadMacInt16(pb + eProtType), ReadMacInt32(pb + ePointer));
else
return noErr;
case kENetDetachPH: // Detach protocol handler
D(bug("DetachPH prot %04x\n", ReadMacInt16(pb + eProtType)));
if (net_open)
return ether_detach_ph(ReadMacInt16(pb + eProtType));
else
return noErr;
case kENetWrite: // Transmit raw Ethernet packet
D(bug("EtherWrite\n"));
if (ReadMacInt16(ReadMacInt32(pb + ePointer)) < 14)
return eLenErr; // Header incomplete
if (net_open)
return ether_write(ReadMacInt32(pb + ePointer));
else
return noErr;
case kENetGetInfo: { // Get device information/statistics
D(bug("GetInfo buf %08lx, size %d\n", ReadMacInt32(pb + ePointer), ReadMacInt16(pb + eBuffSize)));
// Collect info (only ethernet address)
uint8 buf[18];
memset(buf, 0, 18);
memcpy(buf, ether_addr, 6);
// Transfer info to supplied buffer
int16 size = ReadMacInt16(pb + eBuffSize);
if (size > 18)
size = 18;
WriteMacInt16(pb + eDataSize, size); // Number of bytes actually written
Host2Mac_memcpy(ReadMacInt32(pb + ePointer), buf, size);
return noErr;
}
case kENetSetGeneral: // Set general mode (always in general mode)
D(bug("SetGeneral\n"));
return noErr;
default:
printf("WARNING: Unknown EtherControl(%d)\n", code);
return controlErr;
}
}
int16 EtherOpen(uint32 pb, uint32 dce)
{
D(bug("EtherOpen\n"));
// Allocate driver data
M68kRegisters r;
r.d[0] = SIZEOF_etherdata;
Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
if (r.a[0] == 0)
return openErr;
ether_data = r.a[0];
D(bug(" data %08lx\n", ether_data));
WriteMacInt16(ether_data + ed_DeferredTask + qType, dtQType);
WriteMacInt32(ether_data + ed_DeferredTask + dtAddr, ether_data + ed_Code);
WriteMacInt32(ether_data + ed_DeferredTask + dtParam, ether_data + ed_Result);
// Deferred function for signalling that packet write is complete (pointer to mydtResult in a1)
WriteMacInt16(ether_data + ed_Code, 0x2019); // move.l (a1)+,d0 (result)
WriteMacInt16(ether_data + ed_Code + 2, 0x2251); // move.l (a1),a1 (dce)
WriteMacInt32(ether_data + ed_Code + 4, 0x207808fc); // move.l JIODone,a0
WriteMacInt16(ether_data + ed_Code + 8, 0x4ed0); // jmp (a0)
WriteMacInt32(ether_data + ed_DCE, dce);
// ReadPacket/ReadRest routines
WriteMacInt16(ether_data + ed_ReadPacket, 0x6010); // bra 2
WriteMacInt16(ether_data + ed_ReadPacket + 2, 0x3003); // move.w d3,d0
WriteMacInt16(ether_data + ed_ReadPacket + 4, 0x9041); // sub.w d1,d0
WriteMacInt16(ether_data + ed_ReadPacket + 6, 0x4a43); // tst.w d3
WriteMacInt16(ether_data + ed_ReadPacket + 8, 0x6702); // beq 1
WriteMacInt16(ether_data + ed_ReadPacket + 10, M68K_EMUL_OP_ETHER_READ_PACKET);
WriteMacInt16(ether_data + ed_ReadPacket + 12, 0x3600); //1 move.w d0,d3
WriteMacInt16(ether_data + ed_ReadPacket + 14, 0x7000); // moveq #0,d0
WriteMacInt16(ether_data + ed_ReadPacket + 16, 0x4e75); // rts
WriteMacInt16(ether_data + ed_ReadPacket + 18, M68K_EMUL_OP_ETHER_READ_PACKET); //2
WriteMacInt16(ether_data + ed_ReadPacket + 20, 0x4a43); // tst.w d3
WriteMacInt16(ether_data + ed_ReadPacket + 22, 0x4e75); // rts
return 0;
}
int16 XSERDPort::control(uint32 pb, uint32 dce, uint16 code)
{
switch (code) {
case 1: // KillIO
io_killed = true;
if (protocol == serial)
tcflush(fd, TCIOFLUSH);
while (read_pending || write_pending)
usleep(10000);
io_killed = false;
return noErr;
case kSERDConfiguration:
if (configure(ReadMacInt16(pb + csParam)))
return noErr;
else
return paramErr;
case kSERDInputBuffer:
return noErr; // Not supported under Unix
case kSERDSerHShake:
set_handshake(pb + csParam, false);
return noErr;
case kSERDSetBreak:
if (protocol == serial)
tcsendbreak(fd, 0);
return noErr;
case kSERDClearBreak:
return noErr;
case kSERDBaudRate: {
if (protocol != serial)
return noErr;
uint16 rate = ReadMacInt16(pb + csParam);
speed_t baud_rate;
if (rate <= 50) {
rate = 50; baud_rate = B50;
} else if (rate <= 75) {
rate = 75; baud_rate = B75;
} else if (rate <= 110) {
rate = 110; baud_rate = B110;
} else if (rate <= 134) {
rate = 134; baud_rate = B134;
} else if (rate <= 150) {
rate = 150; baud_rate = B150;
} else if (rate <= 200) {
rate = 200; baud_rate = B200;
} else if (rate <= 300) {
rate = 300; baud_rate = B300;
} else if (rate <= 600) {
rate = 600; baud_rate = B600;
} else if (rate <= 1200) {
rate = 1200; baud_rate = B1200;
} else if (rate <= 1800) {
rate = 1800; baud_rate = B1800;
} else if (rate <= 2400) {
rate = 2400; baud_rate = B2400;
} else if (rate <= 4800) {
rate = 4800; baud_rate = B4800;
} else if (rate <= 9600) {
rate = 9600; baud_rate = B9600;
} else if (rate <= 19200) {
rate = 19200; baud_rate = B19200;
} else if (rate <= 38400) {
rate = 38400; baud_rate = B38400;
} else if (rate <= 57600) {
rate = 57600; baud_rate = B57600;
} else {
// Just for safety in case someone wants a rate between 57600 and 65535
rate = 57600; baud_rate = B57600;
}
WriteMacInt16(pb + csParam, rate);
cfsetispeed(&mode, baud_rate);
cfsetospeed(&mode, baud_rate);
tcsetattr(fd, TCSANOW, &mode);
return noErr;
}
case kSERDHandshake:
case kSERDHandshakeRS232:
set_handshake(pb + csParam, true);
return noErr;
case kSERDMiscOptions:
if (protocol != serial)
return noErr;
if (ReadMacInt8(pb + csParam) & kOptionPreserveDTR)
mode.c_cflag &= ~HUPCL;
else
mode.c_cflag |= HUPCL;
tcsetattr(fd, TCSANOW, &mode);
return noErr;
case kSERDAssertDTR: {
if (protocol != serial)
return noErr;
unsigned int status = TIOCM_DTR;
ioctl(fd, TIOCMBIS, &status);
return noErr;
}
case kSERDNegateDTR: {
if (protocol != serial)
return noErr;
unsigned int status = TIOCM_DTR;
ioctl(fd, TIOCMBIC, &status);
return noErr;
}
case kSERDSetPEChar:
case kSERDSetPEAltChar:
return noErr; // Not supported under Unix
case kSERDResetChannel:
if (protocol == serial)
tcflush(fd, TCIOFLUSH);
return noErr;
case kSERDAssertRTS: {
if (protocol != serial)
return noErr;
unsigned int status = TIOCM_RTS;
ioctl(fd, TIOCMBIS, &status);
return noErr;
}
case kSERDNegateRTS: {
if (protocol != serial)
return noErr;
unsigned int status = TIOCM_RTS;
ioctl(fd, TIOCMBIC, &status);
return noErr;
}
case kSERD115KBaud:
if (protocol != serial)
return noErr;
cfsetispeed(&mode, B115200);
cfsetospeed(&mode, B115200);
tcsetattr(fd, TCSANOW, &mode);
return noErr;
case kSERD230KBaud:
case kSERDSetHighSpeed:
if (protocol != serial)
return noErr;
cfsetispeed(&mode, B230400);
cfsetospeed(&mode, B230400);
tcsetattr(fd, TCSANOW, &mode);
return noErr;
default:
printf("WARNING: SerialControl(): unimplemented control code %d\n", code);
return controlErr;
}
}
int16 PrimeTime(uint32 tm, int32 time)
{
D(bug("PrimeTime %08lx, time %ld\n", tm, time));
// Find descriptor
TMDesc *desc = find_desc(tm);
if (!desc) {
printf("FATAL: PrimeTime(%08lx): Descriptor not found\n", (long unsigned int)tm);
return 0;
}
// Convert delay time
tm_time_t delay;
timer_mac2host_time(delay, time);
// Extended task?
if (ReadMacInt16(tm + qType) & 0x4000) {
// Yes, tmWakeUp set?
if (ReadMacInt32(tm + tmWakeUp)) {
// PrimeTime(0) can either mean (a) "the task runs as soon as interrupts are enabled"
// or (b) "continue previous delay" if an expired task was stopped via RmvTime() and
// then re-installed using InsXTime(). Since tmWakeUp was set, this is case (b).
// The remaining time was saved in tmCount by RmvTime().
if (time == 0) {
timer_mac2host_time(delay, ReadMacInt16(tm + tmCount));
}
// Yes, calculate wakeup time relative to last scheduled time
tm_time_t wakeup;
timer_add_time(wakeup, desc->wakeup, delay);
desc->wakeup = wakeup;
} else {
// No, calculate wakeup time relative to current time
tm_time_t now;
timer_current_time(now);
timer_add_time(desc->wakeup, now, delay);
}
// Set tmWakeUp to indicate that task was scheduled
WriteMacInt32(tm + tmWakeUp, 0x12345678);
} else {
// Not extended task, calculate wakeup time relative to current time
tm_time_t now;
timer_current_time(now);
timer_add_time(desc->wakeup, now, delay);
}
// Make task active and enqueue it in the Time Manager queue
#if PRECISE_TIMING_BEOS
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
suspend_thread(timer_thread);
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_wait(wakeup_time_sem);
thread_suspend(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
timer_thread_suspend();
pthread_mutex_lock(&wakeup_time_lock);
#endif
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) | 0x8000);
enqueue_tm(tm);
#if PRECISE_TIMING
// Look for next task to be called and set wakeup_time
wakeup_time = wakeup_time_max;
for (TMDesc *d = tmDescList; d; d = d->next)
if ((ReadMacInt16(d->task + qType) & 0x8000))
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
wakeup_time = d->wakeup;
#ifdef PRECISE_TIMING_BEOS
release_sem(wakeup_time_sem);
thread_info info;
do {
resume_thread(timer_thread); // This will unblock the thread
get_thread_info(timer_thread, &info);
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_signal(wakeup_time_sem);
thread_abort(timer_thread);
thread_resume(timer_thread);
#endif
#ifdef PRECISE_TIMING_POSIX
pthread_mutex_unlock(&wakeup_time_lock);
timer_thread_resume();
assert(suspend_count == 0);
#endif
#endif
return 0;
}
void TimerInterrupt(void)
{
// D(bug("TimerIRQ\n"));
// Look for active TMTasks that have expired
tm_time_t now;
timer_current_time(now);
TMDesc *desc = tmDescList;
while (desc) {
TMDesc *next = desc->next;
uint32 tm = desc->task;
if ((ReadMacInt16(tm + qType) & 0x8000) && timer_cmp_time(desc->wakeup, now) <= 0) {
// Found one, mark as inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
// Call timer function
uint32 addr = ReadMacInt32(tm + tmAddr);
if (addr) {
D(bug("Calling TimeTask %08lx, addr %08lx\n", tm, addr));
M68kRegisters r;
r.a[0] = addr;
r.a[1] = tm;
Execute68k(r.a[0], &r);
D(bug(" returned from TimeTask\n"));
}
}
desc = next;
}
#if PRECISE_TIMING
// Look for next task to be called and set wakeup_time
#if PRECISE_TIMING_BEOS
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
suspend_thread(timer_thread);
#endif
#if PRECISE_TIMING_MACH
semaphore_wait(wakeup_time_sem);
thread_suspend(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
timer_thread_suspend();
pthread_mutex_lock(&wakeup_time_lock);
#endif
wakeup_time = wakeup_time_max;
for (TMDesc *d = tmDescList; d; d = d->next)
if ((ReadMacInt16(d->task + qType) & 0x8000))
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
wakeup_time = d->wakeup;
#if PRECISE_TIMING_BEOS
release_sem(wakeup_time_sem);
thread_info info;
do {
resume_thread(timer_thread); // This will unblock the thread
get_thread_info(timer_thread, &info);
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
#endif
#if PRECISE_TIMING_MACH
semaphore_signal(wakeup_time_sem);
thread_abort(timer_thread);
thread_resume(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
pthread_mutex_unlock(&wakeup_time_lock);
timer_thread_resume();
assert(suspend_count == 0);
#endif
#endif
}
void EmulOp(M68kRegisters *r, uint32 pc, int selector)
{
D(bug("EmulOp %04x at %08x\n", selector, pc));
switch (selector) {
case OP_BREAK: // Breakpoint
printf("*** Breakpoint\n");
Dump68kRegs(r);
break;
case OP_XPRAM1: { // Read/write from/to XPRam
uint32 len = r->d[3];
uint8 *adr = Mac2HostAddr(r->a[3]);
D(bug("XPRAMReadWrite d3: %08lx, a3: %p\n", len, adr));
int ofs = len & 0xffff;
len >>= 16;
if (len & 0x8000) {
len &= 0x7fff;
for (uint32 i=0; i<len; i++)
XPRAM[((ofs + i) & 0xff) + 0x1300] = *adr++;
} else {
for (uint32 i=0; i<len; i++)
*adr++ = XPRAM[((ofs + i) & 0xff) + 0x1300];
}
break;
}
case OP_XPRAM2: // Read from XPRam
r->d[1] = XPRAM[(r->d[1] & 0xff) + 0x1300];
break;
case OP_XPRAM3: // Write to XPRam
XPRAM[(r->d[1] & 0xff) + 0x1300] = r->d[2];
break;
case OP_NVRAM1: { // Read from NVRAM
int ofs = r->d[0];
r->d[0] = XPRAM[ofs & 0x1fff];
bool localtalk = !(XPRAM[0x13e0] || XPRAM[0x13e1]); // LocalTalk enabled?
switch (ofs) {
case 0x13e0: // Disable LocalTalk (use EtherTalk instead)
if (localtalk)
r->d[0] = 0x00;
break;
case 0x13e1:
if (localtalk)
r->d[0] = 0x01;
break;
case 0x13e2:
if (localtalk)
r->d[0] = 0x00;
break;
case 0x13e3:
if (localtalk)
r->d[0] = 0x0a;
break;
}
break;
}
case OP_NVRAM2: // Write to NVRAM
XPRAM[r->d[0] & 0x1fff] = r->d[1];
break;
case OP_NVRAM3: // Read/write from/to NVRAM
if (r->d[3]) {
r->d[0] = XPRAM[(r->d[4] + 0x1300) & 0x1fff];
} else {
XPRAM[(r->d[4] + 0x1300) & 0x1fff] = r->d[5];
r->d[0] = 0;
}
break;
case OP_FIX_MEMTOP: // Fixes MemTop in BootGlobs during startup
D(bug("Fix MemTop\n"));
WriteMacInt32(BootGlobsAddr - 20, RAMBase + RAMSize); // MemTop
r->a[6] = RAMBase + RAMSize;
break;
case OP_FIX_MEMSIZE: { // Fixes physical/logical RAM size during startup
D(bug("Fix MemSize\n"));
uint32 diff = ReadMacInt32(0x1ef8) - ReadMacInt32(0x1ef4);
WriteMacInt32(0x1ef8, RAMSize); // Physical RAM size
WriteMacInt32(0x1ef4, RAMSize - diff); // Logical RAM size
break;
}
case OP_FIX_BOOTSTACK: // Fixes boot stack pointer in boot 3 resource
D(bug("Fix BootStack\n"));
r->a[1] = r->a[7] = RAMBase + RAMSize * 3 / 4;
break;
case OP_SONY_OPEN: // Floppy driver functions
r->d[0] = SonyOpen(r->a[0], r->a[1]);
break;
case OP_SONY_PRIME:
r->d[0] = SonyPrime(r->a[0], r->a[1]);
break;
case OP_SONY_CONTROL:
r->d[0] = SonyControl(r->a[0], r->a[1]);
break;
case OP_SONY_STATUS:
r->d[0] = SonyStatus(r->a[0], r->a[1]);
break;
case OP_DISK_OPEN: // Disk driver functions
r->d[0] = DiskOpen(r->a[0], r->a[1]);
break;
case OP_DISK_PRIME:
r->d[0] = DiskPrime(r->a[0], r->a[1]);
break;
case OP_DISK_CONTROL:
r->d[0] = DiskControl(r->a[0], r->a[1]);
break;
case OP_DISK_STATUS:
r->d[0] = DiskStatus(r->a[0], r->a[1]);
break;
case OP_CDROM_OPEN: // CD-ROM driver functions
r->d[0] = CDROMOpen(r->a[0], r->a[1]);
break;
case OP_CDROM_PRIME:
r->d[0] = CDROMPrime(r->a[0], r->a[1]);
break;
case OP_CDROM_CONTROL:
r->d[0] = CDROMControl(r->a[0], r->a[1]);
break;
case OP_CDROM_STATUS:
r->d[0] = CDROMStatus(r->a[0], r->a[1]);
break;
case OP_AUDIO_DISPATCH: // Audio component functions
r->d[0] = gMacAudio->Dispatch(r->a[3], r->a[4]);
break;
case OP_SOUNDIN_OPEN: // Sound input driver functions
r->d[0] = gMacAudio->InOpen(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_PRIME:
r->d[0] = gMacAudio->InPrime(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_CONTROL:
r->d[0] = gMacAudio->InControl(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_STATUS:
r->d[0] = gMacAudio->InStatus(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_CLOSE:
r->d[0] = gMacAudio->InClose(r->a[0], r->a[1]);
break;
case OP_ADBOP: // ADBOp() replacement
gADBInput->Op(r->d[0], Mac2HostAddr(ReadMacInt32(r->a[0])));
break;
case OP_INSTIME: // InsTime() replacement
r->d[0] = InsTime(r->a[0], r->d[1]);
break;
case OP_RMVTIME: // RmvTime() replacement
r->d[0] = RmvTime(r->a[0]);
break;
case OP_PRIMETIME: // PrimeTime() replacement
r->d[0] = PrimeTime(r->a[0], r->d[0]);
break;
case OP_MICROSECONDS: // Microseconds() replacement
Microseconds(r->a[0], r->d[0]);
break;
case OP_PUT_SCRAP: // PutScrap() patch
PutScrap(ReadMacInt32(r->a[7] + 8), Mac2HostAddr(ReadMacInt32(r->a[7] + 4)), ReadMacInt32(r->a[7] + 12));
break;
case OP_GET_SCRAP: // GetScrap() patch
GetScrap((void **)Mac2HostAddr(ReadMacInt32(r->a[7] + 4)), ReadMacInt32(r->a[7] + 8), ReadMacInt32(r->a[7] + 12));
break;
case OP_DEBUG_STR: // DebugStr() shows warning message
if (PrefsFindBool("nogui")) {
uint8 *pstr = Mac2HostAddr(ReadMacInt32(r->a[7] + 4));
char str[256];
int i;
for (i=0; i<pstr[0]; i++)
str[i] = pstr[i+1];
str[i] = 0;
WarningAlert(str);
}
break;
case OP_INSTALL_DRIVERS: { // Patch to install our own drivers during startup
// Install drivers
InstallDrivers();
// Patch MakeExecutable()
MakeExecutableTvec = FindLibSymbol("\023PrivateInterfaceLib", "\016MakeExecutable");
D(bug("MakeExecutable TVECT at %08x\n", MakeExecutableTvec));
WriteMacInt32(MakeExecutableTvec, NativeFunction(NATIVE_MAKE_EXECUTABLE));
#if defined(__powerpc__) /* Native PowerPC */
WriteMacInt32(MakeExecutableTvec + 4, (uint32)TOC);
#endif
// Patch DebugStr()
static const uint8 proc_template[] = {
M68K_EMUL_OP_DEBUG_STR >> 8, M68K_EMUL_OP_DEBUG_STR & 0xFF,
0x4e, 0x74, // rtd #4
0x00, 0x04
};
BUILD_SHEEPSHAVER_PROCEDURE(proc);
WriteMacInt32(0x1dfc, proc);
break;
}
case OP_NAME_REGISTRY: // Patch Name Registry and initialize CallUniversalProc
r->d[0] = (uint32)-1;
PatchNameRegistry();
InitCallUniversalProc();
break;
case OP_RESET: // Early in MacOS reset
D(bug("*** RESET ***\n"));
TimerReset();
MacOSUtilReset();
gMacAudio->Reset();
// Enable DR emulator (disabled for now)
if (PrefsFindBool("jit68k") && 0) {
D(bug("DR activated\n"));
WriteMacInt32(KernelDataAddr + 0x17a0, 3); // Prepare for DR emulator activation
WriteMacInt32(KernelDataAddr + 0x17c0, DR_CACHE_BASE);
WriteMacInt32(KernelDataAddr + 0x17c4, DR_CACHE_SIZE);
WriteMacInt32(KernelDataAddr + 0x1b04, DR_CACHE_BASE);
WriteMacInt32(KernelDataAddr + 0x1b00, DR_EMULATOR_BASE);
memcpy((void *)DR_EMULATOR_BASE, (void *)(ROMBase + 0x370000), DR_EMULATOR_SIZE);
MakeExecutable(0, DR_EMULATOR_BASE, DR_EMULATOR_SIZE);
}
break;
case OP_IRQ: // Level 1 interrupt
WriteMacInt16(ReadMacInt32(KernelDataAddr + 0x67c), 0); // Clear interrupt
r->d[0] = 0;
if (HasMacStarted()) {
if (InterruptFlags & INTFLAG_VIA) {
ClearInterruptFlag(INTFLAG_VIA);
#if !PRECISE_TIMING
TimerInterrupt();
#endif
ExecuteNative(NATIVE_VIDEO_VBL);
static int tick_counter = 0;
if (++tick_counter >= 60) {
tick_counter = 0;
SonyInterrupt();
DiskInterrupt();
CDROMInterrupt();
}
r->d[0] = 1; // Flag: 68k interrupt routine executes VBLTasks etc.
}
if (InterruptFlags & INTFLAG_SERIAL) {
ClearInterruptFlag(INTFLAG_SERIAL);
SerialInterrupt();
}
if (InterruptFlags & INTFLAG_ETHER) {
ClearInterruptFlag(INTFLAG_ETHER);
ExecuteNative(NATIVE_ETHER_IRQ);
}
if (InterruptFlags & INTFLAG_TIMER) {
ClearInterruptFlag(INTFLAG_TIMER);
TimerInterrupt();
}
if (InterruptFlags & INTFLAG_AUDIO) {
ClearInterruptFlag(INTFLAG_AUDIO);
gMacAudio->Interrupt();
}
if (InterruptFlags & INTFLAG_ADB) {
ClearInterruptFlag(INTFLAG_ADB);
gADBInput->Interrupt();
}
} else
r->d[0] = 1;
break;
case OP_SCSI_DISPATCH: { // SCSIDispatch() replacement
uint32 ret = ReadMacInt32(r->a[7]);
uint16 sel = ReadMacInt16(r->a[7] + 4);
r->a[7] += 6;
// D(bug("SCSIDispatch(%d)\n", sel));
int stack;
switch (sel) {
case 0: // SCSIReset
WriteMacInt16(r->a[7], SCSIReset());
stack = 0;
break;
case 1: // SCSIGet
WriteMacInt16(r->a[7], SCSIGet());
stack = 0;
break;
case 2: // SCSISelect
case 11: // SCSISelAtn
WriteMacInt16(r->a[7] + 2, SCSISelect(ReadMacInt8(r->a[7] + 1)));
stack = 2;
break;
case 3: // SCSICmd
WriteMacInt16(r->a[7] + 6, SCSICmd(ReadMacInt16(r->a[7]), Mac2HostAddr(ReadMacInt32(r->a[7] + 2))));
stack = 6;
break;
case 4: // SCSIComplete
WriteMacInt16(r->a[7] + 12, SCSIComplete(ReadMacInt32(r->a[7]), ReadMacInt32(r->a[7] + 4), ReadMacInt32(r->a[7] + 8)));
stack = 12;
break;
case 5: // SCSIRead
case 8: // SCSIRBlind
WriteMacInt16(r->a[7] + 4, SCSIRead(ReadMacInt32(r->a[7])));
stack = 4;
break;
case 6: // SCSIWrite
case 9: // SCSIWBlind
WriteMacInt16(r->a[7] + 4, SCSIWrite(ReadMacInt32(r->a[7])));
stack = 4;
break;
case 10: // SCSIStat
WriteMacInt16(r->a[7], SCSIStat());
stack = 0;
break;
case 12: // SCSIMsgIn
WriteMacInt16(r->a[7] + 4, 0);
stack = 4;
break;
case 13: // SCSIMsgOut
WriteMacInt16(r->a[7] + 2, 0);
stack = 2;
break;
case 14: // SCSIMgrBusy
WriteMacInt16(r->a[7], SCSIMgrBusy());
stack = 0;
break;
default:
printf("FATAL: SCSIDispatch: illegal selector\n");
stack = 0;
//!! SysError(12)
}
r->a[0] = ret;
r->a[7] += stack;
break;
}
case OP_SCSI_ATOMIC: // SCSIAtomic() replacement
D(bug("SCSIAtomic\n"));
r->d[0] = (uint32)-7887;
break;
case OP_CHECK_SYSV: { // Check we are not using MacOS < 8.1 with a NewWorld ROM
r->a[1] = r->d[1];
r->a[0] = ReadMacInt32(r->d[1]);
uint32 sysv = ReadMacInt16(r->a[0]);
D(bug("Detected MacOS version %d.%d.%d\n", (sysv >> 8) & 0xf, (sysv >> 4) & 0xf, sysv & 0xf));
if (ROMType == ROMTYPE_NEWWORLD && sysv < 0x0801)
r->d[1] = 0;
break;
}
case OP_NTRB_17_PATCH:
r->a[2] = ReadMacInt32(r->a[7]);
r->a[7] += 4;
if (ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH2:
r->a[7] += 8;
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH3:
r->a[2] = ReadMacInt32(r->a[7]);
r->a[7] += 4;
D(bug("%d %d\n", ReadMacInt16(r->a[2]), ReadMacInt16(r->a[2] + 6)));
if (ReadMacInt16(r->a[2]) == 11 && ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH4:
r->d[0] = ReadMacInt16(r->a[7]);
r->a[7] += 2;
D(bug("%d %d\n", ReadMacInt16(r->a[2]), ReadMacInt16(r->a[2] + 6)));
if (ReadMacInt16(r->a[2]) == 11 && ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_CHECKLOAD: { // vCheckLoad() patch
uint32 type = ReadMacInt32(r->a[7]);
r->a[7] += 4;
int16 id = ReadMacInt16(r->a[2]);
if (r->a[0] == 0)
break;
uint32 adr = ReadMacInt32(r->a[0]);
if (adr == 0)
break;
uint16 *p = (uint16 *)Mac2HostAddr(adr);
uint32 size = ReadMacInt32(adr - 8) & 0xffffff;
CheckLoad(type, id, p, size);
break;
}
case OP_EXTFS_COMM: // External file system routines
WriteMacInt16(r->a[7] + 14, ExtFSComm(ReadMacInt16(r->a[7] + 12), ReadMacInt32(r->a[7] + 8), ReadMacInt32(r->a[7] + 4)));
break;
case OP_EXTFS_HFS:
WriteMacInt16(r->a[7] + 20, ExtFSHFS(ReadMacInt32(r->a[7] + 16), ReadMacInt16(r->a[7] + 14), ReadMacInt32(r->a[7] + 10), ReadMacInt32(r->a[7] + 6), ReadMacInt16(r->a[7] + 4)));
break;
case OP_IDLE_TIME:
// Sleep if no events pending
if (ReadMacInt32(0x14c) == 0)
idle_wait();
r->a[0] = ReadMacInt32(0x2b6);
break;
case OP_IDLE_TIME_2:
// Sleep if no events pending
if (ReadMacInt32(0x14c) == 0)
idle_wait();
r->d[0] = (uint32)-2;
break;
default:
printf("FATAL: EMUL_OP called with bogus selector %08x\n", selector);
QuitEmulator();
break;
}
}