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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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/windef16.h"
  28 #include "winbase.h"
  29 #include "winnt.h"     /* for PCONTEXT */
  30 #include "wincon.h"    /* for MOUSE_EVENT_RECORD */
  31 #include "miscemu.h"
  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 IF_MASK  0x00000200
 102 #define VIF_MASK 0x00080000
 103 #define VIP_MASK 0x00100000
 104
 105 #define ADD_LOWORD(dw,val)  ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val)))
 106
 107 #define PTR_REAL_TO_LIN(seg,off) ((void*)(((unsigned int)(seg) << 4) + LOWORD(off)))
 108
 109 /* NOTE: Interrupts might get called from four modes: real mode, 16-bit,
 110  *       32-bit segmented (DPMI32) and 32-bit linear (via DeviceIoControl).
 111  *       For automatic conversion of pointer
 112  *       parameters, interrupt handlers should use CTX_SEG_OFF_TO_LIN with
 113  *       the contents of a segment register as second and the contents of
 114  *       a *32-bit* general register as third parameter, e.g.
 115  *          CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EDX_reg(context) )
 116  *       This will generate a linear pointer in all three cases:
 117  *         Real-Mode:   Seg*16 + LOWORD(Offset)
 118  *         16-bit:      convert (Seg, LOWORD(Offset)) to linear
 119  *         32-bit segmented: convert (Seg, Offset) to linear
 120  *         32-bit linear:    use Offset as linear address (DeviceIoControl!)
 121  *
 122  *       Real-mode is recognized by checking the V86 bit in the flags register,
 123  *       32-bit linear mode is recognized by checking whether 'seg' is
 124  *       a system selector (0 counts also as 32-bit segment) and 32-bit
 125  *       segmented mode is recognized by checking whether 'seg' is 32-bit
 126  *       selector which is neither system selector nor zero.
 127  */
 128 #define CTX_SEG_OFF_TO_LIN(context,seg,off) \
 129     (ISV86(context) ? PTR_REAL_TO_LIN((seg),(off)) : wine_ldt_get_ptr((seg),(off)))
 130
 131 #define INT_BARF(context,num) \
 132     ERR( "int%x: unknown/not implemented parameters:\n" \
 133                      "int%x: AX %04x, BX %04x, CX %04x, DX %04x, " \
 134                      "SI %04x, DI %04x, DS %04x, ES %04x\n", \
 135              (num), (num), LOWORD((context)->Eax), LOWORD((context)->Ebx), \
 136              LOWORD((context)->Ecx), LOWORD((context)->Edx), LOWORD((context)->Esi), \
 137              LOWORD((context)->Edi), (WORD)(context)->SegDs, (WORD)(context)->SegEs )
 138
 139 /* pushing on stack in 16 bit needs segment wrap around */
 140 #define PUSH_WORD16(context,val) \
 141     *((WORD*)CTX_SEG_OFF_TO_LIN((context), \
 142         (context)->SegSs, ADD_LOWORD( context->Esp, -2 ) )) = (val)
 143
 144 /* Macros for easier access to i386 context registers */
 145
 146 #define AX_reg(context)      ((WORD)(context)->Eax)
 147 #define BX_reg(context)      ((WORD)(context)->Ebx)
 148 #define CX_reg(context)      ((WORD)(context)->Ecx)
 149 #define DX_reg(context)      ((WORD)(context)->Edx)
 150 #define SI_reg(context)      ((WORD)(context)->Esi)
 151 #define DI_reg(context)      ((WORD)(context)->Edi)
 152
 153 #define AL_reg(context)      ((BYTE)(context)->Eax)
 154 #define AH_reg(context)      ((BYTE)((context)->Eax >> 8))
 155 #define BL_reg(context)      ((BYTE)(context)->Ebx)
 156 #define BH_reg(context)      ((BYTE)((context)->Ebx >> 8))
 157 #define CL_reg(context)      ((BYTE)(context)->Ecx)
 158 #define CH_reg(context)      ((BYTE)((context)->Ecx >> 8))
 159 #define DL_reg(context)      ((BYTE)(context)->Edx)
 160 #define DH_reg(context)      ((BYTE)((context)->Edx >> 8))
 161
 162 #define SET_CFLAG(context)   ((context)->EFlags |= 0x0001)
 163 #define RESET_CFLAG(context) ((context)->EFlags &= ~0x0001)
 164 #define SET_ZFLAG(context)   ((context)->EFlags |= 0x0040)
 165 #define RESET_ZFLAG(context) ((context)->EFlags &= ~0x0040)
 166 #define ISV86(context)       ((context)->EFlags & 0x00020000)
 167
 168 #define SET_AX(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val)))
 169 #define SET_BX(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val)))
 170 #define SET_CX(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val)))
 171 #define SET_DX(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val)))
 172 #define SET_SI(context,val)  ((void)((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val)))
 173 #define SET_DI(context,val)  ((void)((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val)))
 174
 175 #define SET_AL(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val)))
 176 #define SET_BL(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val)))
 177 #define SET_CL(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val)))
 178 #define SET_DL(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val)))
 179
 180 #define SET_AH(context,val)  ((void)((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8)))
 181 #define SET_BH(context,val)  ((void)((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8)))
 182 #define SET_CH(context,val)  ((void)((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8)))
 183 #define SET_DH(context,val)  ((void)((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8)))
 184
 185 /* module.c */
 186 extern void WINAPI MZ_LoadImage( LPCSTR filename, HANDLE hFile );
 187 extern BOOL WINAPI MZ_Exec( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk );
 188 extern void WINAPI MZ_Exit( CONTEXT86 *context, BOOL cs_psp, WORD retval );
 189 extern BOOL WINAPI MZ_Current( void );
 190 extern void WINAPI MZ_AllocDPMITask( void );
 191 extern void WINAPI MZ_RunInThread( PAPCFUNC proc, ULONG_PTR arg );
 192 extern BOOL DOSVM_IsWin16(void);
 193
 194 /* dosvm.c */
 195 extern void DOSVM_SendQueuedEvents( CONTEXT86 * );
 196 extern void WINAPI DOSVM_AcknowledgeIRQ( CONTEXT86 * );
 197 extern INT WINAPI DOSVM_Enter( CONTEXT86 *context );
 198 extern void WINAPI DOSVM_Wait( CONTEXT86 * );
 199 extern DWORD WINAPI DOSVM_Loop( HANDLE hThread );
 200 extern void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data );
 201 extern void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val );
 202 extern void WINAPI DOSVM_SetTimer( UINT ticks );
 203 extern UINT WINAPI DOSVM_GetTimer( void );
 204 extern BIOSDATA   *DOSVM_BiosData( void );
 205
 206 /* devices.c */
 207 extern void DOSDEV_InstallDOSDevices(void);
 208 extern DWORD DOSDEV_Console(void);
 209 extern DWORD DOSDEV_FindCharDevice(char*name);
 210 extern int DOSDEV_Peek(DWORD dev, BYTE*data);
 211 extern int DOSDEV_Read(DWORD dev, DWORD buf, int buflen);
 212 extern int DOSDEV_Write(DWORD dev, DWORD buf, int buflen, int verify);
 213 extern int DOSDEV_IoctlRead(DWORD dev, DWORD buf, int buflen);
 214 extern int DOSDEV_IoctlWrite(DWORD dev, DWORD buf, int buflen);
 215 extern void DOSDEV_SetSharingRetry(WORD delay, WORD count);
 216 extern SEGPTR DOSDEV_GetLOL(BOOL v86);
 217
 218 /* dma.c */
 219 extern int DMA_Transfer(int channel,int reqlength,void* buffer);
 220 extern void DMA_ioport_out( WORD port, BYTE val );
 221 extern BYTE DMA_ioport_in( WORD port );
 222
 223 /* dosaspi.c */
 224 void WINAPI DOSVM_ASPIHandler(CONTEXT86*);
 225
 226 /* dosconf.c */
 227 DOSCONF *DOSCONF_GetConfig( void );
 228
 229 /* fpu.c */
 230 extern void WINAPI DOSVM_Int34Handler(CONTEXT86*);
 231 extern void WINAPI DOSVM_Int35Handler(CONTEXT86*);
 232 extern void WINAPI DOSVM_Int36Handler(CONTEXT86*);
 233 extern void WINAPI DOSVM_Int37Handler(CONTEXT86*);
 234 extern void WINAPI DOSVM_Int38Handler(CONTEXT86*);
 235 extern void WINAPI DOSVM_Int39Handler(CONTEXT86*);
 236 extern void WINAPI DOSVM_Int3aHandler(CONTEXT86*);
 237 extern void WINAPI DOSVM_Int3bHandler(CONTEXT86*);
 238 extern void WINAPI DOSVM_Int3cHandler(CONTEXT86*);
 239 extern void WINAPI DOSVM_Int3dHandler(CONTEXT86*);
 240 extern void WINAPI DOSVM_Int3eHandler(CONTEXT86*);
 241
 242 /* himem.c */
 243 extern void DOSVM_InitSegments(void);
 244 extern LPVOID DOSVM_AllocUMB(DWORD);
 245 extern LPVOID DOSVM_AllocCodeUMB(DWORD, WORD *, WORD *);
 246 extern LPVOID DOSVM_AllocDataUMB(DWORD, WORD *, WORD *);
 247
 248 /* int09.c */
 249 extern void WINAPI DOSVM_Int09Handler(CONTEXT86*);
 250 extern void WINAPI DOSVM_Int09SendScan(BYTE scan,BYTE ascii);
 251 extern BYTE WINAPI DOSVM_Int09ReadScan(BYTE*ascii);
 252
 253 /* int10.c */
 254 extern void WINAPI DOSVM_Int10Handler(CONTEXT86*);
 255 extern void WINAPI DOSVM_PutChar(BYTE ascii);
 256
 257 /* int11.c */
 258 extern void WINAPI DOSVM_Int11Handler(CONTEXT86*);
 259
 260 /* int12.c */
 261 extern void WINAPI DOSVM_Int12Handler(CONTEXT86*);
 262
 263 /* int13.c */
 264 extern void WINAPI DOSVM_Int13Handler(CONTEXT86*);
 265
 266 /* int15.c */
 267 extern void WINAPI DOSVM_Int15Handler(CONTEXT86*);
 268
 269 /* int1a.c */
 270 extern void WINAPI DOSVM_Int1aHandler(CONTEXT86*);
 271
 272 /* int16.c */
 273 extern void WINAPI DOSVM_Int16Handler(CONTEXT86*);
 274 extern BOOL WINAPI DOSVM_Int16ReadChar( BYTE *, BYTE *, CONTEXT86 * );
 275 extern int WINAPI DOSVM_Int16AddChar(BYTE ascii,BYTE scan);
 276
 277 /* int17.c */
 278 extern void WINAPI DOSVM_Int17Handler(CONTEXT86*);
 279
 280 /* int19.c */
 281 extern void WINAPI DOSVM_Int19Handler(CONTEXT86*);
 282
 283 /* int20.c */
 284 extern void WINAPI DOSVM_Int20Handler(CONTEXT86*);
 285
 286 /* int21.c */
 287 extern void WINAPI DOSVM_Int21Handler(CONTEXT86*);
 288
 289 /* int25.c */
 290 BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL );
 291 void WINAPI DOSVM_Int25Handler( CONTEXT86 * );
 292
 293 /* int26.c */
 294 BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL );
 295 void WINAPI DOSVM_Int26Handler( CONTEXT86 * );
 296
 297 /* int29.c */
 298 extern void WINAPI DOSVM_Int29Handler(CONTEXT86*);
 299
 300 /* int2a.c */
 301 extern void WINAPI DOSVM_Int2aHandler(CONTEXT86*);
 302
 303 /* int2f.c */
 304 extern void WINAPI DOSVM_Int2fHandler(CONTEXT86*);
 305
 306 /* int31.c */
 307 extern void WINAPI DOSVM_Int31Handler(CONTEXT86*);
 308 extern void WINAPI DOSVM_RawModeSwitchHandler(CONTEXT86*);
 309 extern BOOL DOSVM_IsDos32(void);
 310 extern FARPROC16 WINAPI DPMI_AllocInternalRMCB(RMCBPROC);
 311 extern void WINAPI DPMI_FreeInternalRMCB(FARPROC16);
 312 extern int DPMI_CallRMProc(CONTEXT86*,LPWORD,int,int);
 313 extern BOOL DOSVM_CheckWrappers(CONTEXT86*);
 314
 315 /* int33.c */
 316 extern void WINAPI DOSVM_Int33Handler(CONTEXT86*);
 317 extern void WINAPI DOSVM_Int33Message(UINT,WPARAM,LPARAM);
 318 extern void WINAPI DOSVM_Int33Console(MOUSE_EVENT_RECORD*);
 319
 320 /* int41.c */
 321 extern void WINAPI DOSVM_Int41Handler(CONTEXT86*);
 322
 323 /* int4b.c */
 324 extern void WINAPI DOSVM_Int4bHandler(CONTEXT86*);
 325
 326 /* int5c.c */
 327 extern void WINAPI DOSVM_Int5cHandler(CONTEXT86*);
 328
 329 /* int67.c */
 330 extern void WINAPI DOSVM_Int67Handler(CONTEXT86*);
 331 extern void WINAPI EMS_Ioctl_Handler(CONTEXT86*);
 332
 333 /* interrupts.c */
 334 extern void WINAPI DOSVM_CallBuiltinHandler( CONTEXT86 *, BYTE );
 335 extern void WINAPI DOSVM_EmulateInterruptPM( CONTEXT86 *, BYTE );
 336 extern BOOL WINAPI DOSVM_EmulateInterruptRM( CONTEXT86 *, BYTE );
 337 extern FARPROC16   DOSVM_GetPMHandler16( BYTE );
 338 extern FARPROC48   DOSVM_GetPMHandler48( BYTE );
 339 extern FARPROC16   DOSVM_GetRMHandler( BYTE );
 340 extern void        DOSVM_HardwareInterruptPM( CONTEXT86 *, BYTE );
 341 extern void        DOSVM_HardwareInterruptRM( CONTEXT86 *, BYTE );
 342 extern void        DOSVM_SetPMHandler16( BYTE, FARPROC16 );
 343 extern void        DOSVM_SetPMHandler48( BYTE, FARPROC48 );
 344 extern void        DOSVM_SetRMHandler( BYTE, FARPROC16 );
 345
 346 /* relay.c */
 347 void DOSVM_RelayHandler( CONTEXT86 * );
 348 void DOSVM_BuildCallFrame( CONTEXT86 *, DOSRELAY, LPVOID );
 349
 350 /* soundblaster.c */
 351 extern void SB_ioport_out( WORD port, BYTE val );
 352 extern BYTE SB_ioport_in( WORD port );
 353
 354 /* ppdev.c */
 355 extern BOOL IO_pp_outp(int port, DWORD* res);
 356 extern int IO_pp_inp(int port, DWORD* res);
 357 extern char IO_pp_init(void);
 358
 359 /* timer.c */
 360 extern void WINAPI DOSVM_Int08Handler(CONTEXT86*);
 361
 362 /* xms.c */
 363 extern void WINAPI XMS_Handler(CONTEXT86*);
 364
 365 #endif /* __WINE_DOSEXE_H */