dlls/winedos/dosexe.h

   1 /*
   2  * DOS EXE loader
   3  *
   4  * Copyright 1998 Ove Kåven
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_DOSEXE_H
  22 #define __WINE_DOSEXE_H
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "wine/library.h"
  28 #include "wine/windef16.h"
  29 #include "winbase.h"
  30 #include "winnt.h"     /* for PCONTEXT */
  31 #include "wincon.h"    /* for MOUSE_EVENT_RECORD */
  32
  33 #define MAX_DOS_DRIVES  26
  34
  35 struct _DOSEVENT;
  36
  37 /* amount of space reserved for relay stack */
  38 #define DOSVM_RELAY_DATA_SIZE 4096
  39
  40 /* various real-mode code stubs */
  41 struct DPMI_segments
  42 {
  43     WORD wrap_seg;
  44     WORD xms_seg;
  45     WORD dpmi_seg;
  46     WORD dpmi_sel;
  47     WORD int48_sel;
  48     WORD int16_sel;
  49     WORD relay_code_sel;
  50     WORD relay_data_sel;
  51 };
  52
  53 /* 48-bit segmented pointers for DOS DPMI32 */
  54 typedef struct {
  55   WORD  selector;
  56   DWORD offset;
  57 } SEGPTR48, FARPROC48;
  58
  59 #define DOSCONF_MEM_HIGH        0x0001
  60 #define DOSCONF_MEM_UMB         0x0002
  61 #define DOSCONF_NUMLOCK         0x0004
  62 #define DOSCONF_KEYB_CONV       0x0008
  63
  64 typedef struct {
  65     char lastdrive;
  66     int brk_flag;
  67     int files;
  68     int stacks_nr;
  69     int stacks_sz;
  70     int buf;
  71     int buf2;
  72     int fcbs;
  73     int flags;
  74     char *shell;
  75     char *country;
  76 } DOSCONF;
  77
  78 typedef void (*DOSRELAY)(CONTEXT86*,void*);
  79 typedef void (WINAPI *RMCBPROC)(CONTEXT86*);
  80 typedef void (WINAPI *INTPROC)(CONTEXT86*);
  81
  82 #define DOS_PRIORITY_REALTIME 0  /* IRQ0 */
  83 #define DOS_PRIORITY_KEYBOARD 1  /* IRQ1 */
  84 #define DOS_PRIORITY_VGA      2  /* IRQ9 */
  85 #define DOS_PRIORITY_MOUSE    5  /* IRQ12 */
  86 #define DOS_PRIORITY_SERIAL   10 /* IRQ4 */
  87
  88 extern WORD DOSVM_psp;     /* psp of current DOS task */
  89 extern WORD DOSVM_retval;  /* return value of previous DOS task */
  90 extern struct DPMI_segments *DOSVM_dpmi_segments;
  91
  92 #if defined(linux) && defined(__i386__) && defined(HAVE_SYS_VM86_H)
  93 # define MZ_SUPPORTED
  94 #endif /* linux-i386 */
  95
  96 /*
  97  * Declare some CONTEXT86.EFlags bits.
  98  * IF_MASK is only pushed into real mode stack.
  99  */
 100 #define V86_FLAG 0x00020000
 101 #define TF_MASK  0x00000100
 102 #define IF_MASK  0x00000200
 103 #define VIF_MASK 0x00080000
 104 #define VIP_MASK 0x00100000
 105
 106 #define ADD_LOWORD(dw,val)  ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val)))
 107
 108 #define PTR_REAL_TO_LIN(seg,off) ((void*)(((unsigned int)(seg) << 4) + LOWORD(off)))
 109
 110 /* NOTE: Interrupts might get called from four modes: real mode, 16-bit,
 111  *       32-bit segmented (DPMI32) and 32-bit linear (via DeviceIoControl).
 112  *       For automatic conversion of pointer
 113  *       parameters, interrupt handlers should use CTX_SEG_OFF_TO_LIN with
 114  *       the contents of a segment register as second and the contents of
 115  *       a *32-bit* general register as third parameter, e.g.
 116  *          CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EDX_reg(context) )
 117  *       This will generate a linear pointer in all three cases:
 118  *         Real-Mode:   Seg*16 + LOWORD(Offset)
 119  *         16-bit:      convert (Seg, LOWORD(Offset)) to linear
 120  *         32-bit segmented: convert (Seg, Offset) to linear
 121  *         32-bit linear:    use Offset as linear address (DeviceIoControl!)
 122  *
 123  *       Real-mode is recognized by checking the V86 bit in the flags register,
 124  *       32-bit linear mode is recognized by checking whether 'seg' is
 125  *       a system selector (0 counts also as 32-bit segment) and 32-bit
 126  *       segmented mode is recognized by checking whether 'seg' is 32-bit
 127  *       selector which is neither system selector nor zero.
 128  */
 129 #define CTX_SEG_OFF_TO_LIN(context,seg,off) \
 130     (ISV86(context) ? PTR_REAL_TO_LIN((seg),(off)) : wine_ldt_get_ptr((seg),(off)))
 131
 132 #define INT_BARF(context,num) \
 133     ERR( "int%x: unknown/not implemented parameters:\n" \
 134                      "int%x: AX %04x, BX %04x, CX %04x, DX %04x, " \
 135                      "SI %04x, DI %04x, DS %04x, ES %04x\n", \
 136              (num), (num), LOWORD((context)->Eax), LOWORD((context)->Ebx), \
 137              LOWORD((context)->Ecx), LOWORD((context)->Edx), LOWORD((context)->Esi), \
 138              LOWORD((context)->Edi), (WORD)(context)->SegDs, (WORD)(context)->SegEs )
 139
 140 /* pushing on stack in 16 bit needs segment wrap around */
 141 #define PUSH_WORD16(context,val) \
 142     *((WORD*)CTX_SEG_OFF_TO_LIN((context), \
 143         (context)->SegSs, ADD_LOWORD( context->Esp, -2 ) )) = (val)
 144
 145 /* Macros for easier access to i386 context registers */
 146
 147 #define AX_reg(context)      ((WORD)(context)->Eax)
 148 #define BX_reg(context)      ((WORD)(context)->Ebx)
 149 #define CX_reg(context)      ((WORD)(context)->Ecx)
 150 #define DX_reg(context)      ((WORD)(context)->Edx)
 151 #define SI_reg(context)      ((WORD)(context)->Esi)
 152 #define DI_reg(context)      ((WORD)(context)->Edi)
 153
 154 #define AL_reg(context)      ((BYTE)(context)->Eax)
 155 #define AH_reg(context)      ((BYTE)((context)->Eax >> 8))
 156 #define BL_reg(context)      ((BYTE)(context)->Ebx)
 157 #define BH_reg(context)      ((BYTE)((context)->Ebx >> 8))
 158 #define CL_reg(context)      ((BYTE)(context)->Ecx)
 159 #define CH_reg(context)      ((BYTE)((context)->Ecx >> 8))
 160 #define DL_reg(context)      ((BYTE)(context)->Edx)
 161 #define DH_reg(context)      ((BYTE)((context)->Edx >> 8))
 162
 163 #define SET_CFLAG(context)   ((context)->EFlags |= 0x0001)
 164 #define RESET_CFLAG(context) ((context)->EFlags &= ~0x0001)
 165 #define SET_ZFLAG(context)   ((context)->EFlags |= 0x0040)
 166 #define RESET_ZFLAG(context) ((context)->EFlags &= ~0x0040)
 167 #define ISV86(context)       ((context)->EFlags & 0x00020000)
 168
 169 #define SET_AX(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val)))
 170 #define SET_BX(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val)))
 171 #define SET_CX(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val)))
 172 #define SET_DX(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val)))
 173 #define SET_SI(context,val)  ((void)((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val)))
 174 #define SET_DI(context,val)  ((void)((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val)))
 175
 176 #define SET_AL(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val)))
 177 #define SET_BL(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val)))
 178 #define SET_CL(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val)))
 179 #define SET_DL(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val)))
 180
 181 #define SET_AH(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8)))
 182 #define SET_BH(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8)))
 183 #define SET_CH(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8)))
 184 #define SET_DH(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8)))
 185
 186 #include <pshpack1.h>
 187
 188 typedef struct
 189 {
 190     WORD  Com1Addr;                  /* 00: COM1 I/O address */
 191     WORD  Com2Addr;                  /* 02: COM2 I/O address */
 192     WORD  Com3Addr;                  /* 04: COM3 I/O address */
 193     WORD  Com4Addr;                  /* 06: COM4 I/O address */
 194     WORD  Lpt1Addr;                  /* 08: LPT1 I/O address */
 195     WORD  Lpt2Addr;                  /* 0a: LPT2 I/O address */
 196     WORD  Lpt3Addr;                  /* 0c: LPT3 I/O address */
 197     WORD  Lpt4Addr;                  /* 0e: LPT4 I/O address */
 198     WORD  InstalledHardware;         /* 10: Installed hardware flags */
 199     BYTE  POSTstatus;                /* 12: Power-On Self Test status */
 200     WORD  MemSize;                   /* 13: Base memory size in Kb */
 201     WORD  unused1;                   /* 15: Manufacturing test scratch pad */
 202     BYTE  KbdFlags1;                 /* 17: Keyboard flags 1 */
 203     BYTE  KbdFlags2;                 /* 18: Keyboard flags 2 */
 204     BYTE  unused2;                   /* 19: Keyboard driver workspace */
 205     WORD  NextKbdCharPtr;            /* 1a: Next character in kbd buffer */
 206     WORD  FirstKbdCharPtr;           /* 1c: First character in kbd buffer */
 207     WORD  KbdBuffer[16];             /* 1e: Keyboard buffer */
 208     BYTE  DisketteStatus1;           /* 3e: Diskette recalibrate status */
 209     BYTE  DisketteStatus2;           /* 3f: Diskette motor status */
 210     BYTE  DisketteStatus3;           /* 40: Diskette motor timeout */
 211     BYTE  DisketteStatus4;           /* 41: Diskette last operation status */
 212     BYTE  DiskStatus[7];             /* 42: Disk status/command bytes */
 213     BYTE  VideoMode;                 /* 49: Video mode */
 214     WORD  VideoColumns;              /* 4a: Number of columns */
 215     WORD  VideoPageSize;             /* 4c: Video page size in bytes */
 216     WORD  VideoPageStartAddr;        /* 4e: Video page start address */
 217     BYTE  VideoCursorPos[16];        /* 50: Cursor position for 8 pages, column/row order */
 218     WORD  VideoCursorType;           /* 60: Video cursor type */
 219     BYTE  VideoCurPage;              /* 62: Video current page */
 220     WORD  VideoCtrlAddr;             /* 63: Video controller address */
 221     BYTE  VideoReg1;                 /* 65: Video mode select register */
 222     BYTE  VideoReg2;                 /* 66: Video CGA palette register */
 223     DWORD ResetEntry;                /* 67: Warm reset entry point */
 224     BYTE  LastIRQ;                   /* 6b: Last unexpected interrupt */
 225     DWORD Ticks;                     /* 6c: Ticks since midnight */
 226     BYTE  TicksOverflow;             /* 70: Timer overflow if past midnight */
 227     BYTE  CtrlBreakFlag;             /* 71: Ctrl-Break flag */
 228     WORD  ResetFlag;                 /* 72: POST Reset flag */
 229     BYTE  DiskOpStatus;              /* 74: Last hard-disk operation status */
 230     BYTE  NbHardDisks;               /* 75: Number of hard disks */
 231     BYTE  DiskCtrlByte;              /* 76: Disk control byte */
 232     BYTE  DiskIOPort;                /* 77: Disk I/O port offset */
 233     BYTE  LptTimeout[4];             /* 78: Timeouts for parallel ports */
 234     BYTE  ComTimeout[4];             /* 7c: Timeouts for serial ports */
 235     WORD  KbdBufferStart;            /* 80: Keyboard buffer start */
 236     WORD  KbdBufferEnd;              /* 82: Keyboard buffer end */
 237     BYTE  RowsOnScreenMinus1;        /* 84: EGA only */
 238     WORD  BytesPerChar;              /* 85: EGA only */
 239     BYTE  ModeOptions;               /* 87: EGA only */
 240     BYTE  FeatureBitsSwitches;       /* 88: EGA only */
 241     BYTE  VGASettings;               /* 89: VGA misc settings */
 242     BYTE  DisplayCombination;        /* 8A: VGA display combinations */
 243     BYTE  DiskDataRate;              /* 8B: Last disk data rate selected */
 244 } BIOSDATA;
 245
 246 #include <poppack.h>
 247
 248 /* Device driver header */
 249
 250 #define NONEXT ((DWORD)-1)
 251
 252 #define ATTR_STDIN     0x0001
 253 #define ATTR_STDOUT    0x0002
 254 #define ATTR_NUL       0x0004
 255 #define ATTR_CLOCK     0x0008
 256 #define ATTR_FASTCON   0x0010
 257 #define ATTR_RAW       0x0020
 258 #define ATTR_NOTEOF    0x0040
 259 #define ATTR_DEVICE    0x0080
 260 #define ATTR_REMOVABLE 0x0800
 261 #define ATTR_NONIBM    0x2000 /* block devices */
 262 #define ATTR_UNTILBUSY 0x2000 /* char devices */
 263 #define ATTR_IOCTL     0x4000
 264 #define ATTR_CHAR      0x8000
 265
 266 #include <pshpack1.h>
 267
 268 typedef struct
 269 {
 270     DWORD next_dev;
 271     WORD  attr;
 272     WORD  strategy;
 273     WORD  interrupt;
 274     char  name[8];
 275 } DOS_DEVICE_HEADER;
 276
 277 #include <poppack.h>
 278
 279 /* DOS Device requests */
 280
 281 #define CMD_INIT       0
 282 #define CMD_MEDIACHECK 1 /* block devices */
 283 #define CMD_BUILDBPB   2 /* block devices */
 284 #define CMD_INIOCTL    3
 285 #define CMD_INPUT      4 /* read data */
 286 #define CMD_SAFEINPUT  5 /* "non-destructive input no wait", char devices */
 287 #define CMD_INSTATUS   6 /* char devices */
 288 #define CMD_INFLUSH    7 /* char devices */
 289 #define CMD_OUTPUT     8 /* write data */
 290 #define CMD_SAFEOUTPUT 9 /* write data with verify */
 291 #define CMD_OUTSTATUS 10 /* char devices */
 292 #define CMD_OUTFLUSH  11 /* char devices */
 293 #define CMD_OUTIOCTL  12
 294 #define CMD_DEVOPEN   13
 295 #define CMD_DEVCLOSE  14
 296 #define CMD_REMOVABLE 15 /* block devices */
 297 #define CMD_UNTILBUSY 16 /* output until busy */
 298
 299 #define STAT_MASK  0x00FF
 300 #define STAT_DONE  0x0100
 301 #define STAT_BUSY  0x0200
 302 #define STAT_ERROR 0x8000
 303
 304 #include <pshpack1.h>
 305
 306 typedef struct {
 307     BYTE size;          /* length of header + data */
 308     BYTE unit;          /* unit (block devices only) */
 309     BYTE command;
 310     WORD status;
 311     BYTE reserved[8];
 312 } REQUEST_HEADER;
 313
 314 typedef struct {
 315     REQUEST_HEADER hdr;
 316     BYTE media;         /* media descriptor from BPB */
 317     SEGPTR buffer;
 318     WORD count;         /* byte/sector count */
 319     WORD sector;        /* starting sector (block devices) */
 320     DWORD volume;       /* volume ID (block devices) */
 321 } REQ_IO;
 322
 323 typedef struct {
 324     REQUEST_HEADER hdr;
 325     BYTE data;
 326 } REQ_SAFEINPUT;
 327
 328 /* WINE device driver thunk from RM */
 329 typedef struct {
 330     BYTE ljmp1;
 331     FARPROC16 strategy;
 332     BYTE ljmp2;
 333     FARPROC16 interrupt;
 334 } WINEDEV_THUNK;
 335
 336 #include <poppack.h>
 337
 338 /* Device driver info (used for initialization) */
 339 typedef struct
 340 {
 341     char name[8];
 342     WORD attr;
 343     RMCBPROC strategy;
 344     RMCBPROC interrupt;
 345 } WINEDEV;
 346
 347 /* module.c */
 348 extern void WINAPI MZ_LoadImage( LPCSTR filename, HANDLE hFile );
 349 extern BOOL WINAPI MZ_Exec( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk );
 350 extern void WINAPI MZ_Exit( CONTEXT86 *context, BOOL cs_psp, WORD retval );
 351 extern BOOL WINAPI MZ_Current( void );
 352 extern void WINAPI MZ_AllocDPMITask( void );
 353 extern void WINAPI MZ_RunInThread( PAPCFUNC proc, ULONG_PTR arg );
 354 extern BOOL DOSVM_IsWin16(void);
 355
 356 /* dosvm.c */
 357 extern void DOSVM_SendQueuedEvents( CONTEXT86 * );
 358 extern void WINAPI DOSVM_AcknowledgeIRQ( CONTEXT86 * );
 359 extern INT WINAPI DOSVM_Enter( CONTEXT86 *context );
 360 extern void WINAPI DOSVM_Wait( CONTEXT86 * );
 361 extern DWORD WINAPI DOSVM_Loop( HANDLE hThread );
 362 extern void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data );
 363 extern void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val );
 364 extern void WINAPI DOSVM_SetTimer( UINT ticks );
 365 extern UINT WINAPI DOSVM_GetTimer( void );
 366
 367 /* devices.c */
 368 extern void DOSDEV_InstallDOSDevices(void);
 369 extern void DOSDEV_SetupDevice(const WINEDEV * devinfo,
 370                                WORD seg, WORD off_dev, WORD off_thunk);
 371 extern void DOSDEV_SetSharingRetry(WORD delay, WORD count);
 372 extern SEGPTR DOSDEV_GetLOL(BOOL v86);
 373
 374 /* dma.c */
 375 extern int DMA_Transfer(int channel,int reqlength,void* buffer);
 376 extern void DMA_ioport_out( WORD port, BYTE val );
 377 extern BYTE DMA_ioport_in( WORD port );
 378
 379 /* dosaspi.c */
 380 extern void WINAPI DOSVM_ASPIHandler(CONTEXT86*);
 381
 382 /* dosconf.c */
 383 extern DOSCONF *DOSCONF_GetConfig( void );
 384
 385 /* dosmem.c */
 386 extern BOOL DOSMEM_InitDosMemory(void);
 387 extern BOOL DOSMEM_MapDosLayout(void);
 388 extern WORD   DOSMEM_AllocSelector(WORD); /* FIXME: to be removed */
 389 extern LPVOID DOSMEM_AllocBlock(UINT size, WORD* p);
 390 extern BOOL DOSMEM_FreeBlock(void* ptr);
 391 extern UINT DOSMEM_ResizeBlock(void* ptr, UINT size, BOOL exact);
 392 extern UINT DOSMEM_Available(void);
 393 extern BIOSDATA *DOSVM_BiosData( void );
 394
 395 /* fpu.c */
 396 extern void WINAPI DOSVM_Int34Handler(CONTEXT86*);
 397 extern void WINAPI DOSVM_Int35Handler(CONTEXT86*);
 398 extern void WINAPI DOSVM_Int36Handler(CONTEXT86*);
 399 extern void WINAPI DOSVM_Int37Handler(CONTEXT86*);
 400 extern void WINAPI DOSVM_Int38Handler(CONTEXT86*);
 401 extern void WINAPI DOSVM_Int39Handler(CONTEXT86*);
 402 extern void WINAPI DOSVM_Int3aHandler(CONTEXT86*);
 403 extern void WINAPI DOSVM_Int3bHandler(CONTEXT86*);
 404 extern void WINAPI DOSVM_Int3cHandler(CONTEXT86*);
 405 extern void WINAPI DOSVM_Int3dHandler(CONTEXT86*);
 406 extern void WINAPI DOSVM_Int3eHandler(CONTEXT86*);
 407
 408 /* himem.c */
 409 extern void DOSVM_InitSegments(void);
 410 extern LPVOID DOSVM_AllocDataUMB(DWORD, WORD *, WORD *);
 411
 412 /* int09.c */
 413 extern void WINAPI DOSVM_Int09Handler(CONTEXT86*);
 414 extern void WINAPI DOSVM_Int09SendScan(BYTE scan,BYTE ascii);
 415 extern BYTE WINAPI DOSVM_Int09ReadScan(BYTE*ascii);
 416
 417 /* int10.c */
 418 extern void WINAPI DOSVM_Int10Handler(CONTEXT86*);
 419 extern void WINAPI DOSVM_PutChar(BYTE ascii);
 420
 421 /* int13.c */
 422 extern void WINAPI DOSVM_Int13Handler(CONTEXT86*);
 423
 424 /* int15.c */
 425 extern void WINAPI DOSVM_Int15Handler(CONTEXT86*);
 426
 427 /* int16.c */
 428 extern void WINAPI DOSVM_Int16Handler(CONTEXT86*);
 429 extern BOOL WINAPI DOSVM_Int16ReadChar( BYTE *, BYTE *, CONTEXT86 * );
 430 extern int WINAPI DOSVM_Int16AddChar(BYTE ascii,BYTE scan);
 431
 432 /* int21.c */
 433 extern void WINAPI DOSVM_Int21Handler(CONTEXT86*);
 434
 435 /* int25.c */
 436 BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL );
 437 void WINAPI DOSVM_Int25Handler( CONTEXT86 * );
 438
 439 /* int26.c */
 440 BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL );
 441 void WINAPI DOSVM_Int26Handler( CONTEXT86 * );
 442
 443 /* int2f.c */
 444 extern void WINAPI DOSVM_Int2fHandler(CONTEXT86*);
 445 extern void MSCDEX_InstallCDROM(void);
 446
 447 /* int31.c */
 448 extern void WINAPI DOSVM_Int31Handler(CONTEXT86*);
 449 extern void WINAPI DOSVM_RawModeSwitchHandler(CONTEXT86*);
 450 extern BOOL DOSVM_IsDos32(void);
 451 extern FARPROC16 WINAPI DPMI_AllocInternalRMCB(RMCBPROC);
 452 extern void WINAPI DPMI_FreeInternalRMCB(FARPROC16);
 453 extern int DPMI_CallRMProc(CONTEXT86*,LPWORD,int,int);
 454 extern BOOL DOSVM_CheckWrappers(CONTEXT86*);
 455
 456 /* int33.c */
 457 extern void WINAPI DOSVM_Int33Handler(CONTEXT86*);
 458 extern void WINAPI DOSVM_Int33Message(UINT,WPARAM,LPARAM);
 459 extern void WINAPI DOSVM_Int33Console(MOUSE_EVENT_RECORD*);
 460
 461 /* int67.c */
 462 extern void WINAPI DOSVM_Int67Handler(CONTEXT86*);
 463 extern void WINAPI EMS_Ioctl_Handler(CONTEXT86*);
 464
 465 /* interrupts.c */
 466 extern void WINAPI DOSVM_CallBuiltinHandler( CONTEXT86 *, BYTE );
 467 extern BOOL WINAPI DOSVM_EmulateInterruptPM( CONTEXT86 *, BYTE );
 468 extern BOOL WINAPI DOSVM_EmulateInterruptRM( CONTEXT86 *, BYTE );
 469 extern FARPROC16   DOSVM_GetPMHandler16( BYTE );
 470 extern FARPROC48   DOSVM_GetPMHandler48( BYTE );
 471 extern FARPROC16   DOSVM_GetRMHandler( BYTE );
 472 extern void        DOSVM_HardwareInterruptPM( CONTEXT86 *, BYTE );
 473 extern void        DOSVM_HardwareInterruptRM( CONTEXT86 *, BYTE );
 474 extern void        DOSVM_SetPMHandler16( BYTE, FARPROC16 );
 475 extern void        DOSVM_SetPMHandler48( BYTE, FARPROC48 );
 476 extern void        DOSVM_SetRMHandler( BYTE, FARPROC16 );
 477
 478 /* relay.c */
 479 void DOSVM_RelayHandler( CONTEXT86 * );
 480 void DOSVM_BuildCallFrame( CONTEXT86 *, DOSRELAY, LPVOID );
 481
 482 /* soundblaster.c */
 483 extern void SB_ioport_out( WORD port, BYTE val );
 484 extern BYTE SB_ioport_in( WORD port );
 485
 486 /* ppdev.c */
 487 extern BOOL IO_pp_outp(int port, DWORD* res);
 488 extern int IO_pp_inp(int port, DWORD* res);
 489 extern char IO_pp_init(void);
 490
 491 /* timer.c */
 492 extern void WINAPI DOSVM_Int08Handler(CONTEXT86*);
 493
 494 /* xms.c */
 495 extern void WINAPI XMS_Handler(CONTEXT86*);
 496
 497 #endif /* __WINE_DOSEXE_H */