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 0x0: /* Low-level Netware installation check AL=0 not installed.*/
192 case 0x20: /* Get VLM Call Address */
193 /* return nothing -> NetWare not installed */
196 INT_BARF( context
, 0x2f );
200 case 0xb7: /* append */
201 AL_reg(context
) = 0; /* not installed */
203 case 0xb8: /* network */
204 switch (AL_reg(context
))
206 case 0x00: /* Install check */
210 INT_BARF( context
, 0x2f );
214 case 0xbd: /* some Novell network install check ??? */
215 AX_reg(context
) = 0xa5a5; /* pretend to have Novell IPX installed */
217 case 0xbf: /* REDIRIFS.EXE */
218 switch (AL_reg(context
))
220 case 0x00: /* Install check */
224 INT_BARF( context
, 0x2f );
228 case 0xd7: /* Banyan Vines */
229 switch (AL_reg(context
))
231 case 0x01: /* Install check - Get Int Number */
235 INT_BARF( context
, 0x2f );
239 case 0xfa: /* Watcom debugger check, returns 0x666 if installed */
242 INT_BARF( context
, 0x2f );
248 /**********************************************************************
251 static void do_int2f_16( CONTEXT
*context
)
255 switch(AL_reg(context
))
257 case 0x00: /* Windows enhanced mode installation check */
258 AX_reg(context
) = (GetWinFlags16() & WF_ENHANCED
) ?
259 LOWORD(GetVersion16()) : 0;
262 case 0x0a: /* Get Windows version and type */
264 BX_reg(context
) = (LOWORD(GetVersion16()) << 8) |
265 (LOWORD(GetVersion16()) >> 8);
266 CX_reg(context
) = (GetWinFlags16() & WF_ENHANCED
) ? 3 : 2;
269 case 0x0b: /* Identify Windows-aware TSRs */
270 /* we don't have any pre-Windows TSRs */
273 case 0x11: /* Get Shell Parameters - (SHELL= in CONFIG.SYS) */
274 /* We can mock this up. But not today... */
275 FIXME(int, "Get Shell Parameters\n");
278 case 0x80: /* Release time-slice */
282 case 0x81: /* Begin critical section. */
286 case 0x82: /* End critical section. */
290 case 0x83: /* Return Current Virtual Machine ID */
291 /* Virtual Machines are usually created/destroyed when Windows runs
292 * DOS programs. Since we never do, we are always in the System VM.
293 * According to Ralf Brown's Interrupt List, never return 0. But it
294 * seems to work okay (returning 0), just to be sure we return 1.
296 BX_reg(context
) = 1; /* VM 1 is probably the System VM */
299 case 0x84: /* Get device API entry point */
300 addr
= (DWORD
)NE_GetEntryPoint( GetModuleHandle16("WPROCS"),
301 VXD_BASE
+ BX_reg(context
) );
302 if (!addr
) /* not supported */
304 ERR(int,"Accessing unknown VxD %04x - Expect a failure now.\n",
307 ES_reg(context
) = SELECTOROF(addr
);
308 DI_reg(context
) = OFFSETOF(addr
);
311 case 0x86: /* DPMI detect mode */
312 AX_reg(context
) = 0; /* Running under DPMI */
315 case 0x87: /* DPMI installation check */
316 #if 1 /* DPMI still breaks pkunzip */
317 if (ISV86(context
)) break; /* so bail out for now if in v86 mode */
320 TDB
*pTask
= (TDB
*)GlobalLock16( GetCurrentTask() );
321 NE_MODULE
*pModule
= pTask
? NE_GetPtr( pTask
->hModule
) : NULL
;
324 GlobalUnlock16( GetCurrentTask() );
326 AX_reg(context
) = 0x0000; /* DPMI Installed */
327 BX_reg(context
) = 0x0001; /* 32bits available */
328 CL_reg(context
) = si
.wProcessorLevel
;
329 DX_reg(context
) = 0x005a; /* DPMI major/minor 0.90 */
330 SI_reg(context
) = 0; /* # of para. of DOS extended private data */
331 #ifdef MZ_SUPPORTED /* ES:DI is DPMI switch entry point */
332 if (pModule
&& pModule
->lpDosTask
)
333 ES_reg(context
) = pModule
->lpDosTask
->dpmi_seg
;
340 case 0x8a: /* DPMI get vendor-specific API entry point. */
341 /* The 1.0 specs say this should work with all 0.9 hosts. */
345 INT_BARF( context
, 0x2f );
349 void do_mscdex( CONTEXT
*context
)
354 switch(AL_reg(context
)) {
355 case 0x00: /* Installation check */
356 /* Count the number of contiguous CDROM drives
358 for (drive
= count
= 0; drive
< MAX_DOS_DRIVES
; drive
++) {
359 if (DRIVE_GetType(drive
) == TYPE_CDROM
) {
360 while (DRIVE_GetType(drive
+ count
) == TYPE_CDROM
) count
++;
364 TRACE(int, "Installation check: %d cdroms, starting at %d\n", count
, drive
);
365 BX_reg(context
) = count
;
366 CX_reg(context
) = (drive
< MAX_DOS_DRIVES
) ? drive
: 0;
369 case 0x0B: /* drive check */
370 AX_reg(context
) = (DRIVE_GetType(CX_reg(context
)) == TYPE_CDROM
);
371 BX_reg(context
) = 0xADAD;
374 case 0x0C: /* get version */
375 BX_reg(context
) = 0x020a;
378 case 0x0D: /* get drive letters */
379 p
= CTX_SEG_OFF_TO_LIN(context
, ES_reg(context
), EBX_reg(context
));
380 memset( p
, 0, MAX_DOS_DRIVES
);
381 for (drive
= 0; drive
< MAX_DOS_DRIVES
; drive
++) {
382 if (DRIVE_GetType(drive
) == TYPE_CDROM
) *p
++ = drive
;
386 case 0x10: /* direct driver acces */
388 static WINE_CDAUDIO wcda
;
389 BYTE
* driver_request
;
391 u_char Error
= 255; /* No Error */
392 int dorealmode
= ISV86(context
);
394 driver_request
= (dorealmode
) ?
395 DOSMEM_MapRealToLinear(MAKELONG(BX_reg(context
),ES_reg(context
))) :
396 PTR_SEG_OFF_TO_LIN(ES_reg(context
),BX_reg(context
));
398 if (!driver_request
) {
399 /* FIXME - to be deleted ?? */
400 ERR(int," ES:BX==0 ! SEGFAULT ?\n");
401 ERR(int," -->BX=0x%04x, ES=0x%04lx, DS=0x%04lx, CX=0x%04x\n",
402 BX_reg(context
), ES_reg(context
), DS_reg(context
), CX_reg(context
));
404 /* FIXME - would be best to open the device at the begining of the wine session ....
406 if (wcda
.unixdev
<= 0)
409 TRACE(int,"CDROM device driver -> command <%d>\n", (unsigned char)driver_request
[2]);
411 /* set status to 0 */
412 driver_request
[3] = driver_request
[4] = 0;
413 CDAUDIO_GetCDStatus(&wcda
);
415 switch (driver_request
[2]) {
417 io_stru
= (dorealmode
) ?
418 DOSMEM_MapRealToLinear(MAKELONG(*((WORD
*)(driver_request
+ 14)), *((WORD
*)(driver_request
+ 16)))) :
419 PTR_SEG_OFF_TO_LIN(*((WORD
*)(driver_request
+ 16)), *((WORD
*)(driver_request
+ 18)));
421 TRACE(int," --> IOCTL INPUT <%d>\n", io_stru
[0]);
422 switch (io_stru
[0]) {
424 case 0: /* Get device Header */
426 static LPSTR ptr
= 0;
428 ptr
= SEGPTR_ALLOC(22);
429 *((DWORD
*)(ptr
)) = ~1; /* Next Device Driver */
430 *((WORD
* )(ptr
+ 4)) = 0xC800; /* Device attributes */
431 *((WORD
* )(ptr
+ 6)) = 0x1234; /* Pointer to device strategy routine: FIXME */
432 *((WORD
* )(ptr
+ 8)) = 0x3142; /* Pointer to device interrupt routine: FIXME */
433 *((char*) (ptr
+ 10)) = 'W'; /* 8-byte character device name field */
434 *((char*) (ptr
+ 11)) = 'I';
435 *((char*) (ptr
+ 12)) = 'N';
436 *((char*) (ptr
+ 13)) = 'E';
437 *((char*) (ptr
+ 14)) = '_';
438 *((char*) (ptr
+ 15)) = 'C';
439 *((char*) (ptr
+ 16)) = 'D';
440 *((char*) (ptr
+ 17)) = '_';
441 *((WORD
*) (ptr
+ 18)) = 0; /* Reserved (must be zero) */
442 *((BYTE
*) (ptr
+ 20)) = 0; /* Drive letter (must be zero) */
443 *((BYTE
*) (ptr
+ 21)) = 1; /* Number of units supported (one or more) FIXME*/
445 ((DWORD
*)io_stru
+1)[0] = SEGPTR_GET(ptr
);
450 case 1: /* location of head */
451 if (io_stru
[1] == 0) {
452 /* FIXME: what if io_stru+2 is not DWORD aligned ? */
453 ((DWORD
*)io_stru
+2)[0] = wcda
.dwCurFrame
;
454 TRACE(int," ----> HEAD LOCATION <%ld>\n", ((DWORD
*)io_stru
+2)[0]);
456 ERR(int,"CDRom-Driver: Unsupported addressing mode !!\n");
461 case 4: /* Audio channel info */
470 TRACE(int," ----> AUDIO CHANNEL CONTROL\n");
473 case 6: /* device status */
474 /* FIXME .. does this work properly ?? */
475 io_stru
[3] = io_stru
[4] = 0;
476 io_stru
[2] = 1; /* supports audio channels (?? FIXME ??) */
477 io_stru
[1] = 16; /* data read and plays audio tracks */
478 if (wcda
.cdaMode
== WINE_CDA_OPEN
)
480 TRACE(int," ----> DEVICE STATUS <0x%08lx>\n", (DWORD
)io_stru
[1]);
483 case 8: /* Volume size */
484 *((DWORD
*)(io_stru
+1)) = wcda
.dwTotalLen
;
485 TRACE(int," ----> VOLMUE SIZE <0x%08lx>\n", *((DWORD
*)(io_stru
+1)));
488 case 9: /* media changed ? */
489 /* answers don't know... -1/1 for yes/no would be better */
490 io_stru
[0] = 0; /* FIXME? 1? */
493 case 10: /* audio disk info */
494 io_stru
[1] = wcda
.nFirstTrack
; /* starting track of the disc */
495 io_stru
[2] = wcda
.nLastTrack
; /* ending track */
496 ((DWORD
*)io_stru
+3)[0] = wcda
.dwFirstOffset
;
497 TRACE(int," ----> AUDIO DISK INFO <%d-%d/%ld>\n",
498 io_stru
[1], io_stru
[2], ((DWORD
*)io_stru
+3)[0]);
501 case 11: /* audio track info */
502 ((DWORD
*)io_stru
+2)[0] = wcda
.lpdwTrackPos
[io_stru
[1]];
503 /* starting point if the track */
504 io_stru
[6] = wcda
.lpbTrackFlags
[io_stru
[1]];
505 TRACE(int," ----> AUDIO TRACK INFO <track=%d>[%ld:%d]\n",
506 io_stru
[1],((DWORD
*)io_stru
+2)[0], io_stru
[6]);
509 case 12: /* get Q-Channel / Subchannel (??) info */
510 io_stru
[ 1] = wcda
.lpbTrackFlags
[wcda
.nCurTrack
];
511 io_stru
[ 2] = wcda
.nCurTrack
;
512 io_stru
[ 3] = 0; /* FIXME ?? */
514 DWORD f
= wcda
.lpdwTrackPos
[wcda
.nCurTrack
] - wcda
.dwCurFrame
;
515 io_stru
[ 4] = f
/ CDFRAMES_PERMIN
;
516 io_stru
[ 5] = (f
- CDFRAMES_PERMIN
* io_stru
[4]) / CDFRAMES_PERSEC
;
517 io_stru
[ 6] = f
- CDFRAMES_PERMIN
* io_stru
[4] - CDFRAMES_PERSEC
* io_stru
[5];
521 DWORD f
= wcda
.dwCurFrame
;
522 io_stru
[ 8] = f
/ CDFRAMES_PERMIN
;
523 io_stru
[ 9] = (f
- CDFRAMES_PERMIN
* io_stru
[4]) / CDFRAMES_PERSEC
;
524 io_stru
[10] = f
- CDFRAMES_PERMIN
* io_stru
[4] - CDFRAMES_PERSEC
* io_stru
[5];
528 case 15: /* Audio status info */
529 /* !!!! FIXME FIXME FIXME !! */
530 *((WORD
*)(io_stru
+1)) = (wcda
.cdaMode
== WINE_CDA_PAUSE
);
531 *((DWORD
*)(io_stru
+3)) = wcda
.lpdwTrackPos
[0];
532 *((DWORD
*)(io_stru
+7)) = wcda
.lpdwTrackPos
[wcda
.nTracks
- 1];
536 FIXME(int," Cdrom-driver: IOCTL INPUT: Unimplemented <%d>!!\n", io_stru
[0]);
543 io_stru
= (dorealmode
) ?
544 DOSMEM_MapRealToLinear(MAKELONG(*((WORD
*)(driver_request
+ 14)), *((WORD
*)(driver_request
+ 16)))) :
545 PTR_SEG_OFF_TO_LIN(*((WORD
*)(driver_request
+ 16)), *((WORD
*)(driver_request
+ 18)));
547 TRACE(int," --> IOCTL OUTPUT <%d>\n",io_stru
[0]);
548 switch (io_stru
[0]) {
550 CDAUDIO_SetDoor(&wcda
, 1);
551 TRACE(int," ----> EJECT\n");
553 case 2: /* reset drive */
554 CDAUDIO_Reset(&wcda
);
555 TRACE(int," ----> RESET\n");
557 case 3: /* Audio Channel Control */
558 FIXME(int, " ----> AUDIO CHANNEL CONTROL (NIY)\n");
560 case 5: /* close tray */
561 CDAUDIO_SetDoor(&wcda
, 0);
562 TRACE(int," ----> CLOSE TRAY\n");
565 FIXME(int," Cdrom-driver: IOCTL OUPUT: Unimplemented <%d>!!\n",
572 case 132: /* FIXME - It didn't function for me... */
573 TRACE(int," --> PLAY AUDIO\n");
574 if (driver_request
[13] == 0) {
575 TRACE(int,"Mode :<0x%02X> , [%ld-%ld]\n",
576 (unsigned char)driver_request
[13],
577 ((DWORD
*)driver_request
+14)[0],
578 ((DWORD
*)driver_request
+18)[0]);
579 CDAUDIO_Play(&wcda
, ((DWORD
*)driver_request
+14)[0], ((DWORD
*)driver_request
+14)[0] + ((DWORD
*)driver_request
+18)[0]);
581 ERR(int, "CDRom-Driver: Unsupported address mode !!\n");
587 if (wcda
.cdaMode
== WINE_CDA_PLAY
) {
588 CDAUDIO_Pause(&wcda
, 1);
589 TRACE(int," --> STOP AUDIO (Paused)\n");
592 TRACE(int," --> STOP AUDIO (Stopped)\n");
597 TRACE(int," --> RESUME AUDIO\n");
598 CDAUDIO_Pause(&wcda
, 0);
602 FIXME(int," CDRom-Driver - ioctl uninplemented <%d>\n",driver_request
[2]);
607 driver_request
[4] |= 127;
608 driver_request
[3] = Error
;
610 driver_request
[4] |= 2 * (wcda
.cdaMode
= WINE_CDA_PLAY
);
612 /* close (fdcd); FIXME !! -- cannot use close when ejecting
613 the cd-rom - close would close it again */
617 FIXME(int, "Unimplemented MSCDEX function 0x%02X.\n", AL_reg(context
));