1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
3 * DOS interrupt 2fh handler
5 * Cdrom - device driver emulation - Audio features.
6 * (c) 1998 Petr Tomasek <tomasek@etf.cuni.cz>
14 #include "wine/winbase16.h"
23 /* #define DEBUG_INT */
27 /* base WPROCS.DLL ordinal number for VxDs */
30 static void do_int2f_16( CONTEXT *context );
31 static void do_mscdex( CONTEXT *context );
33 /**********************************************************************
36 * Handler for int 2fh (multiplex).
38 void WINAPI INT_Int2fHandler( CONTEXT *context )
40 TRACE(int,"Subfunction 0x%X\n", AX_reg(context));
42 switch(AH_reg(context))
45 AL_reg(context) = 0xff; /* share is installed */
48 case 0x11: /* Network Redirector / IFSFUNC */
49 switch (AL_reg(context))
51 case 0x00: /* Install check */
54 case 0x80: /* Enhanced services - Install check */
58 INT_BARF( context, 0x2f );
64 switch (AL_reg(context))
66 case 0x2e: /* get or set DOS error table address */
67 switch (DL_reg(context))
69 /* Four tables: even commands are 'get', odd are 'set' */
70 /* DOS 5.0+ ignores "set" commands */
77 /* Instead of having a message table in DOS-space, */
78 /* we can use a special case for MS-DOS to force */
79 /* the secondary interface. */
84 ES_reg(context) = 0x0001;
85 DI_reg(context) = 0x0000;
88 FIXME(int, "No real-mode handler for errors yet! (bye!)");
91 INT_BARF(context, 0x2f);
95 INT_BARF(context, 0x2f);
99 case 0x15: /* mscdex */
104 do_int2f_16( context );
107 case 0x1a: /* ANSI.SYS / AVATAR.SYS Install Check */
108 /* Not supported yet, do nothing */
113 switch (AL_reg(context))
115 case 0x00: /* XMS v2+ installation check */
116 WARN(int,"XMS is not fully implemented\n");
117 AL_reg(context) = 0x80;
119 case 0x10: /* XMS v2+ get driver address */
121 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
122 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
123 GlobalUnlock16( GetCurrentTask() );
125 if (pModule && pModule->lpDosTask)
126 ES_reg(context) = pModule->lpDosTask->xms_seg;
134 INT_BARF( context, 0x2f );
137 FIXME(int,"check for XMS (not supported)\n");
138 AL_reg(context) = 0x42; /* != 0x80 */
143 switch (AL_reg(context))
154 /* Microsoft Profiler - not installed */
157 INT_BARF( context, 0x2f );
162 switch(AL_reg(context))
164 case 0x10: /* smartdrv */
165 break; /* not installed */
166 case 0x11: /* dblspace */
167 break; /* not installed */
168 case 0x12: /* realtime compression interface */
169 break; /* not installed */
170 case 0x32: /* patch IO.SYS (???) */
171 break; /* we have no IO.SYS, so we can't patch it :-/ */
173 INT_BARF( context, 0x2f );
176 case 0x56: /* INTERLNK */
177 switch(AL_reg(context))
179 case 0x01: /* check if redirected drive */
180 AL_reg(context) = 0; /* not redirected */
183 INT_BARF( context, 0x2f );
186 case 0x7a: /* NOVELL NetWare */
187 switch (AL_reg(context))
189 case 0x20: /* Get VLM Call Address */
190 /* return nothing -> NetWare not installed */
193 INT_BARF( context, 0x2f );
197 case 0xb7: /* append */
198 AL_reg(context) = 0; /* not installed */
200 case 0xb8: /* network */
201 switch (AL_reg(context))
203 case 0x00: /* Install check */
207 INT_BARF( context, 0x2f );
211 case 0xbd: /* some Novell network install check ??? */
212 AX_reg(context) = 0xa5a5; /* pretend to have Novell IPX installed */
214 case 0xbf: /* REDIRIFS.EXE */
215 switch (AL_reg(context))
217 case 0x00: /* Install check */
221 INT_BARF( context, 0x2f );
225 case 0xd7: /* Banyan Vines */
226 switch (AL_reg(context))
228 case 0x01: /* Install check - Get Int Number */
232 INT_BARF( context, 0x2f );
236 case 0xfa: /* Watcom debugger check, returns 0x666 if installed */
239 INT_BARF( context, 0x2f );
245 /**********************************************************************
248 static void do_int2f_16( CONTEXT *context )
252 switch(AL_reg(context))
254 case 0x00: /* Windows enhanced mode installation check */
255 AX_reg(context) = (GetWinFlags() & WF_ENHANCED) ?
256 LOWORD(GetVersion16()) : 0;
259 case 0x0a: /* Get Windows version and type */
261 BX_reg(context) = (LOWORD(GetVersion16()) << 8) |
262 (LOWORD(GetVersion16()) >> 8);
263 CX_reg(context) = (GetWinFlags() & WF_ENHANCED) ? 3 : 2;
266 case 0x0b: /* Identify Windows-aware TSRs */
267 /* we don't have any pre-Windows TSRs */
270 case 0x11: /* Get Shell Parameters - (SHELL= in CONFIG.SYS) */
271 /* We can mock this up. But not today... */
272 FIXME(int, "Get Shell Parameters\n");
275 case 0x80: /* Release time-slice */
279 case 0x81: /* Begin critical section. */
283 case 0x82: /* End critical section. */
287 case 0x83: /* Return Current Virtual Machine ID */
288 /* Virtual Machines are usually created/destroyed when Windows runs
289 * DOS programs. Since we never do, we are always in the System VM.
290 * According to Ralf Brown's Interrupt List, never return 0. But it
291 * seems to work okay (returning 0), just to be sure we return 1.
293 BX_reg(context) = 1; /* VM 1 is probably the System VM */
296 case 0x84: /* Get device API entry point */
297 addr = (DWORD)NE_GetEntryPoint( GetModuleHandle16("WPROCS"),
298 VXD_BASE + BX_reg(context) );
299 if (!addr) /* not supported */
301 ERR(int,"Accessing unknown VxD %04x - Expect a failure now.\n",
304 ES_reg(context) = SELECTOROF(addr);
305 DI_reg(context) = OFFSETOF(addr);
308 case 0x86: /* DPMI detect mode */
309 AX_reg(context) = 0; /* Running under DPMI */
312 case 0x87: /* DPMI installation check */
313 #if 1 /* DPMI still breaks pkunzip */
314 if (ISV86(context)) break; /* so bail out for now if in v86 mode */
317 TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
318 NE_MODULE *pModule = pTask ? NE_GetPtr( pTask->hModule ) : NULL;
321 GlobalUnlock16( GetCurrentTask() );
323 AX_reg(context) = 0x0000; /* DPMI Installed */
324 BX_reg(context) = 0x0001; /* 32bits available */
325 CL_reg(context) = si.wProcessorLevel;
326 DX_reg(context) = 0x005a; /* DPMI major/minor 0.90 */
327 SI_reg(context) = 0; /* # of para. of DOS extended private data */
328 #ifdef MZ_SUPPORTED /* ES:DI is DPMI switch entry point */
329 if (pModule && pModule->lpDosTask)
330 ES_reg(context) = pModule->lpDosTask->dpmi_seg;
337 case 0x8a: /* DPMI get vendor-specific API entry point. */
338 /* The 1.0 specs say this should work with all 0.9 hosts. */
342 INT_BARF( context, 0x2f );
346 void do_mscdex( CONTEXT *context )
351 switch(AL_reg(context)) {
352 case 0x00: /* Installation check */
353 /* Count the number of contiguous CDROM drives
355 for (drive = count = 0; drive < MAX_DOS_DRIVES; drive++) {
356 if (DRIVE_GetType(drive) == TYPE_CDROM) {
357 while (DRIVE_GetType(drive + count) == TYPE_CDROM) count++;
361 TRACE(int, "Installation check: %d cdroms, starting at %d\n", count, drive);
362 BX_reg(context) = count;
363 CX_reg(context) = (drive < MAX_DOS_DRIVES) ? drive : 0;
366 case 0x0B: /* drive check */
367 AX_reg(context) = (DRIVE_GetType(CX_reg(context)) == TYPE_CDROM);
368 BX_reg(context) = 0xADAD;
371 case 0x0C: /* get version */
372 BX_reg(context) = 0x020a;
375 case 0x0D: /* get drive letters */
376 p = CTX_SEG_OFF_TO_LIN(context, ES_reg(context), EBX_reg(context));
377 memset( p, 0, MAX_DOS_DRIVES );
378 for (drive = 0; drive < MAX_DOS_DRIVES; drive++) {
379 if (DRIVE_GetType(drive) == TYPE_CDROM) *p++ = drive;
383 case 0x10: /* direct driver acces */
385 static WINE_CDAUDIO wcda;
386 BYTE* driver_request;
388 u_char Error = 255; /* No Error */
389 int dorealmode = ISV86(context);
391 driver_request = (dorealmode) ?
392 DOSMEM_MapRealToLinear(MAKELONG(BX_reg(context),ES_reg(context))) :
393 PTR_SEG_OFF_TO_LIN(ES_reg(context),BX_reg(context));
395 if (!driver_request) {
396 /* FIXME - to be deleted ?? */
397 ERR(int," ES:BX==0 ! SEGFAULT ?\n");
398 ERR(int," -->BX=0x%04x, ES=0x%04lx, DS=0x%04lx, CX=0x%04x\n",
399 BX_reg(context), ES_reg(context), DS_reg(context), CX_reg(context));
401 /* FIXME - would be best to open the device at the begining of the wine session ....
403 if (wcda.unixdev <= 0)
406 TRACE(int,"CDROM device driver -> command <%d>\n", (unsigned char)driver_request[2]);
408 /* set status to 0 */
409 driver_request[3] = driver_request[4] = 0;
410 CDAUDIO_GetCDStatus(&wcda);
412 switch (driver_request[2]) {
414 io_stru = (dorealmode) ?
415 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
416 PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
418 TRACE(int," --> IOCTL INPUT <%d>\n", io_stru[0]);
419 switch (io_stru[0]) {
421 case 0: /* Get device Header */
423 static LPSTR ptr = 0;
425 ptr = SEGPTR_ALLOC(22);
426 *((DWORD*)(ptr )) = ~1; /* Next Device Driver */
427 *((WORD* )(ptr + 4)) = 0xC800; /* Device attributes */
428 *((WORD* )(ptr + 6)) = 0x1234; /* Pointer to device strategy routine: FIXME */
429 *((WORD* )(ptr + 8)) = 0x3142; /* Pointer to device interrupt routine: FIXME */
430 *((char*) (ptr + 10)) = 'W'; /* 8-byte character device name field */
431 *((char*) (ptr + 11)) = 'I';
432 *((char*) (ptr + 12)) = 'N';
433 *((char*) (ptr + 13)) = 'E';
434 *((char*) (ptr + 14)) = '_';
435 *((char*) (ptr + 15)) = 'C';
436 *((char*) (ptr + 16)) = 'D';
437 *((char*) (ptr + 17)) = '_';
438 *((WORD*) (ptr + 18)) = 0; /* Reserved (must be zero) */
439 *((BYTE*) (ptr + 20)) = 0; /* Drive letter (must be zero) */
440 *((BYTE*) (ptr + 21)) = 1; /* Number of units supported (one or more) FIXME*/
442 ((DWORD*)io_stru+1)[0] = SEGPTR_GET(ptr);
447 case 1: /* location of head */
448 if (io_stru[1] == 0) {
449 /* FIXME: what if io_stru+2 is not DWORD aligned ? */
450 ((DWORD*)io_stru+2)[0] = wcda.dwCurFrame;
451 TRACE(int," ----> HEAD LOCATION <%ld>\n", ((DWORD*)io_stru+2)[0]);
453 ERR(int,"CDRom-Driver: Unsupported addressing mode !!\n");
458 case 4: /* Audio channel info */
467 TRACE(int," ----> AUDIO CHANNEL CONTROL\n");
470 case 6: /* device status */
471 /* FIXME .. does this work properly ?? */
472 io_stru[3] = io_stru[4] = 0;
473 io_stru[2] = 1; /* supports audio channels (?? FIXME ??) */
474 io_stru[1] = 16; /* data read and plays audio tracks */
475 if (wcda.cdaMode == WINE_CDA_OPEN)
477 TRACE(int," ----> DEVICE STATUS <0x%08lx>\n", (DWORD)io_stru[1]);
480 case 8: /* Volume size */
481 *((DWORD*)(io_stru+1)) = wcda.dwTotalLen;
482 TRACE(int," ----> VOLMUE SIZE <0x%08lx>\n", *((DWORD*)(io_stru+1)));
485 case 9: /* media changed ? */
486 /* answers don't know... -1/1 for yes/no would be better */
487 io_stru[0] = 0; /* FIXME? 1? */
490 case 10: /* audio disk info */
491 io_stru[1] = wcda.nFirstTrack; /* starting track of the disc */
492 io_stru[2] = wcda.nLastTrack; /* ending track */
493 ((DWORD*)io_stru+3)[0] = wcda.dwFirstOffset;
494 TRACE(int," ----> AUDIO DISK INFO <%d-%d/%ld>\n",
495 io_stru[1], io_stru[2], ((DWORD *)io_stru+3)[0]);
498 case 11: /* audio track info */
499 ((DWORD*)io_stru+2)[0] = wcda.lpdwTrackPos[io_stru[1]];
500 /* starting point if the track */
501 io_stru[6] = wcda.lpbTrackFlags[io_stru[1]];
502 TRACE(int," ----> AUDIO TRACK INFO <track=%d>[%ld:%d]\n",
503 io_stru[1],((DWORD *)io_stru+2)[0], io_stru[6]);
506 case 12: /* get Q-Channel / Subchannel (??) info */
507 io_stru[ 1] = wcda.lpbTrackFlags[wcda.nCurTrack];
508 io_stru[ 2] = wcda.nCurTrack;
509 io_stru[ 3] = 0; /* FIXME ?? */
511 DWORD f = wcda.lpdwTrackPos[wcda.nCurTrack] - wcda.dwCurFrame;
512 io_stru[ 4] = f / CDFRAMES_PERMIN;
513 io_stru[ 5] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
514 io_stru[ 6] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
518 DWORD f = wcda.dwCurFrame;
519 io_stru[ 8] = f / CDFRAMES_PERMIN;
520 io_stru[ 9] = (f - CDFRAMES_PERMIN * io_stru[4]) / CDFRAMES_PERSEC;
521 io_stru[10] = f - CDFRAMES_PERMIN * io_stru[4] - CDFRAMES_PERSEC * io_stru[5];
525 case 15: /* Audio status info */
526 /* !!!! FIXME FIXME FIXME !! */
527 *((WORD*)(io_stru+1)) = (wcda.cdaMode == WINE_CDA_PAUSE);
528 *((DWORD*)(io_stru+3)) = wcda.lpdwTrackPos[0];
529 *((DWORD*)(io_stru+7)) = wcda.lpdwTrackPos[wcda.nTracks - 1];
533 FIXME(int," Cdrom-driver: IOCTL INPUT: Unimplemented <%d>!!\n", io_stru[0]);
540 io_stru = (dorealmode) ?
541 DOSMEM_MapRealToLinear(MAKELONG(*((WORD*)(driver_request + 14)), *((WORD*)(driver_request + 16)))) :
542 PTR_SEG_OFF_TO_LIN(*((WORD*)(driver_request + 16)), *((WORD*)(driver_request + 18)));
544 TRACE(int," --> IOCTL OUTPUT <%d>\n",io_stru[0]);
545 switch (io_stru[0]) {
547 CDAUDIO_SetDoor(&wcda, 1);
548 TRACE(int," ----> EJECT\n");
550 case 2: /* reset drive */
551 CDAUDIO_Reset(&wcda);
552 TRACE(int," ----> RESET\n");
554 case 3: /* Audio Channel Control */
555 FIXME(int, " ----> AUDIO CHANNEL CONTROL (NIY)\n");
557 case 5: /* close tray */
558 CDAUDIO_SetDoor(&wcda, 0);
559 TRACE(int," ----> CLOSE TRAY\n");
562 FIXME(int," Cdrom-driver: IOCTL OUPUT: Unimplemented <%d>!!\n",
569 case 132: /* FIXME - It didn't function for me... */
570 TRACE(int," --> PLAY AUDIO\n");
571 if (driver_request[13] == 0) {
572 TRACE(int,"Mode :<0x%02X> , [%ld-%ld]\n",
573 (unsigned char)driver_request[13],
574 ((DWORD*)driver_request+14)[0],
575 ((DWORD*)driver_request+18)[0]);
576 CDAUDIO_Play(&wcda, ((DWORD*)driver_request+14)[0], ((DWORD*)driver_request+14)[0] + ((DWORD*)driver_request+18)[0]);
578 ERR(int, "CDRom-Driver: Unsupported address mode !!\n");
584 if (wcda.cdaMode == WINE_CDA_PLAY) {
585 CDAUDIO_Pause(&wcda, 1);
586 TRACE(int," --> STOP AUDIO (Paused)\n");
589 TRACE(int," --> STOP AUDIO (Stopped)\n");
594 TRACE(int," --> RESUME AUDIO\n");
595 CDAUDIO_Pause(&wcda, 0);
599 FIXME(int," CDRom-Driver - ioctl uninplemented <%d>\n",driver_request[2]);
604 driver_request[4] |= 127;
605 driver_request[3] = Error;
607 driver_request[4] |= 2 * (wcda.cdaMode = WINE_CDA_PLAY);
609 /* close (fdcd); FIXME !! -- cannot use close when ejecting
610 the cd-rom - close would close it again */
614 FIXME(int, "Unimplemented MSCDEX function 0x%02X.\n", AL_reg(context));