dlls/krnl386.exe16/kernel.c

   1 /*
   2  * 16-bit kernel initialization code
   3  *
   4  * Copyright 2000 Alexandre Julliard
   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 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define WINE_NO_INLINE_STRING
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winternl.h"
  28 #include "wownt32.h"
  29 #include "wine/winuser16.h"
  30
  31 #include "kernel16_private.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(module);
  35
  36 extern DWORD WINAPI GetProcessFlags( DWORD processid );
  37
  38 static DWORD process_dword;
  39
  40 /***********************************************************************
  41  *           KERNEL thread initialisation routine
  42  */
  43 static void thread_attach(void)
  44 {
  45     /* allocate the 16-bit stack (FIXME: should be done lazily) */
  46     HGLOBAL16 hstack = WOWGlobalAlloc16( GMEM_FIXED, 0x10000 );
  47     kernel_get_thread_data()->stack_sel = GlobalHandleToSel16( hstack );
  48     NtCurrentTeb()->WOW32Reserved = (void *)MAKESEGPTR( kernel_get_thread_data()->stack_sel,
  49                                                         0x10000 - sizeof(STACK16FRAME) );
  50     memset( (char *)GlobalLock16(hstack) + 0x10000 - sizeof(STACK16FRAME), 0, sizeof(STACK16FRAME) );
  51 }
  52
  53
  54 /***********************************************************************
  55  *           KERNEL thread finalisation routine
  56  */
  57 static void thread_detach(void)
  58 {
  59     /* free the 16-bit stack */
  60     WOWGlobalFree16( kernel_get_thread_data()->stack_sel );
  61     NtCurrentTeb()->WOW32Reserved = 0;
  62     if (NtCurrentTeb()->Tib.SubSystemTib) TASK_ExitTask();
  63 }
  64
  65
  66 /**************************************************************************
  67  *              DllMain
  68  */
  69 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  70 {
  71     switch(reason)
  72     {
  73     case DLL_PROCESS_ATTACH:
  74         LoadLibrary16( "krnl386.exe" );
  75         /* fall through */
  76     case DLL_THREAD_ATTACH:
  77         thread_attach();
  78         break;
  79     case DLL_THREAD_DETACH:
  80         thread_detach();
  81         break;
  82     }
  83     return TRUE;
  84 }
  85
  86
  87 /**************************************************************************
  88  *              DllEntryPoint   (KERNEL.669)
  89  */
  90 BOOL WINAPI KERNEL_DllEntryPoint( DWORD reasion, HINSTANCE16 inst, WORD ds,
  91                                   WORD heap, DWORD reserved1, WORD reserved2 )
  92 {
  93     static int done;
  94
  95     /* the entry point can be called multiple times */
  96     if (done) return TRUE;
  97     done = 1;
  98
  99     /* create the shared heap for broken win95 native dlls */
 100     HeapCreate( HEAP_SHARED, 0, 0 );
 101
 102     /* setup emulation of protected instructions from 32-bit code */
 103     if (GetVersion() & 0x80000000) RtlAddVectoredExceptionHandler( TRUE, INSTR_vectored_handler );
 104
 105     /* Initialize 16-bit thunking entry points */
 106     if (!WOWTHUNK_Init()) return FALSE;
 107
 108     /* Initialize DOS memory */
 109     if (!DOSMEM_Init()) return FALSE;
 110
 111     /* Initialize special KERNEL entry points */
 112
 113     NE_SetEntryPoint( inst, 178, GetWinFlags16() );
 114
 115     NE_SetEntryPoint( inst, 454, wine_get_cs() );
 116     NE_SetEntryPoint( inst, 455, wine_get_ds() );
 117
 118     NE_SetEntryPoint( inst, 183, DOSMEM_0000H );       /* KERNEL.183: __0000H */
 119     NE_SetEntryPoint( inst, 173, DOSMEM_BiosSysSeg );  /* KERNEL.173: __ROMBIOS */
 120     NE_SetEntryPoint( inst, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
 121     NE_SetEntryPoint( inst, 194, DOSMEM_BiosSysSeg );  /* KERNEL.194: __F000H */
 122
 123     /* Initialize KERNEL.THHOOK */
 124     TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( inst, (LPCSTR)332 )));
 125     TASK_CreateMainTask();
 126
 127     /* Initialize the real-mode selector entry points */
 128 #define SET_ENTRY_POINT( num, addr ) \
 129     NE_SetEntryPoint( inst, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
 130                       DOSMEM_MapDosToLinear(addr), 0x10000, inst, \
 131                       WINE_LDT_FLAGS_DATA ))
 132
 133     SET_ENTRY_POINT( 174, 0xa0000 );  /* KERNEL.174: __A000H */
 134     SET_ENTRY_POINT( 181, 0xb0000 );  /* KERNEL.181: __B000H */
 135     SET_ENTRY_POINT( 182, 0xb8000 );  /* KERNEL.182: __B800H */
 136     SET_ENTRY_POINT( 195, 0xc0000 );  /* KERNEL.195: __C000H */
 137     SET_ENTRY_POINT( 179, 0xd0000 );  /* KERNEL.179: __D000H */
 138     SET_ENTRY_POINT( 190, 0xe0000 );  /* KERNEL.190: __E000H */
 139 #undef SET_ENTRY_POINT
 140
 141     /* Force loading of some dlls */
 142     LoadLibrary16( "system.drv" );
 143     LoadLibrary16( "comm.drv" );
 144
 145     return TRUE;
 146 }
 147
 148 /***********************************************************************
 149  *         GetVersion   (KERNEL.3)
 150  */
 151 DWORD WINAPI GetVersion16(void)
 152 {
 153     static WORD dosver, winver;
 154
 155     if (!dosver)  /* not determined yet */
 156     {
 157         RTL_OSVERSIONINFOEXW info;
 158
 159         info.dwOSVersionInfoSize = sizeof(info);
 160         if (RtlGetVersion( &info )) return 0;
 161
 162         if (info.dwMajorVersion <= 3)
 163             winver = MAKEWORD( info.dwMajorVersion, info.dwMinorVersion );
 164         else
 165             winver = MAKEWORD( 3, 95 );
 166
 167         switch(info.dwPlatformId)
 168         {
 169         case VER_PLATFORM_WIN32s:
 170             switch(MAKELONG( info.dwMinorVersion, info.dwMajorVersion ))
 171             {
 172             case 0x0200:
 173                 dosver = 0x0303;  /* DOS 3.3 for Windows 2.0 */
 174                 break;
 175             case 0x0300:
 176                 dosver = 0x0500;  /* DOS 5.0 for Windows 3.0 */
 177                 break;
 178             default:
 179                 dosver = 0x0616;  /* DOS 6.22 for Windows 3.1 and later */
 180                 break;
 181             }
 182             break;
 183         case VER_PLATFORM_WIN32_WINDOWS:
 184             /* DOS 8.0 for WinME, 7.0 for Win95/98 */
 185             if (info.dwMinorVersion >= 90) dosver = 0x0800;
 186             else dosver = 0x0700;
 187             break;
 188         case VER_PLATFORM_WIN32_NT:
 189             dosver = 0x0500;  /* always DOS 5.0 for NT */
 190             break;
 191         }
 192         TRACE( "DOS %d.%02d Win %d.%02d\n",
 193                HIBYTE(dosver), LOBYTE(dosver), LOBYTE(winver), HIBYTE(winver) );
 194     }
 195     return MAKELONG( winver, dosver );
 196 }
 197
 198 /***********************************************************************
 199  *              Reserved1 (KERNEL.77)
 200  */
 201 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
 202 {
 203     return (*(char *)MapSL(current)) ? current + 1 : current;
 204 }
 205
 206 /***********************************************************************
 207  *              Reserved2(KERNEL.78)
 208  */
 209 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
 210 {
 211     return (current==start)?start:current-1;
 212 }
 213
 214 /***********************************************************************
 215  *              Reserved3 (KERNEL.79)
 216  */
 217 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
 218 {
 219     /* uppercase only one char if strOrChar < 0x10000 */
 220     if (HIWORD(strOrChar))
 221     {
 222         char *s = MapSL(strOrChar);
 223         while (*s)
 224         {
 225             *s = toupper(*s);
 226             s++;
 227         }
 228         return strOrChar;
 229     }
 230     else return toupper((char)strOrChar);
 231 }
 232
 233 /***********************************************************************
 234  *              Reserved4 (KERNEL.80)
 235  */
 236 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
 237 {
 238     /* lowercase only one char if strOrChar < 0x10000 */
 239     if (HIWORD(strOrChar))
 240     {
 241         char *s = MapSL(strOrChar);
 242         while (*s)
 243         {
 244             *s = tolower(*s);
 245             s++;
 246         }
 247         return strOrChar;
 248     }
 249     else return tolower((char)strOrChar);
 250 }
 251
 252 /***********************************************************************
 253  *              Reserved5 (KERNEL.87)
 254  */
 255 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
 256 {
 257     return (INT16)strcmp( str1, str2 );
 258 }
 259
 260 /***********************************************************************
 261  *           lstrcpy   (KERNEL.88)
 262  */
 263 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
 264 {
 265     if (!lstrcpyA( MapSL(dst), src )) dst = 0;
 266     return dst;
 267 }
 268
 269 /***********************************************************************
 270  *           lstrcat   (KERNEL.89)
 271  */
 272 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
 273 {
 274     /* Windows does not check for NULL pointers here, so we don't either */
 275     strcat( MapSL(dst), src );
 276     return dst;
 277 }
 278
 279 /***********************************************************************
 280  *           lstrlen   (KERNEL.90)
 281  */
 282 INT16 WINAPI lstrlen16( LPCSTR str )
 283 {
 284     return (INT16)lstrlenA( str );
 285 }
 286
 287 /***********************************************************************
 288  *           OutputDebugString   (KERNEL.115)
 289  */
 290 void WINAPI OutputDebugString16( LPCSTR str )
 291 {
 292     OutputDebugStringA( str );
 293 }
 294
 295 /***********************************************************************
 296  *          GetWinFlags   (KERNEL.132)
 297  */
 298 DWORD WINAPI GetWinFlags16(void)
 299 {
 300     static const long cpuflags[5] = { WF_CPU086, WF_CPU186, WF_CPU286, WF_CPU386, WF_CPU486 };
 301     SYSTEM_INFO si;
 302     OSVERSIONINFOA ovi;
 303     DWORD result;
 304
 305     GetSystemInfo(&si);
 306
 307     /* There doesn't seem to be any Pentium flag.  */
 308     result = cpuflags[min(si.wProcessorLevel, 4)] | WF_ENHANCED | WF_PMODE | WF_80x87 | WF_PAGING;
 309     if (si.wProcessorLevel >= 4) result |= WF_HASCPUID;
 310     ovi.dwOSVersionInfoSize = sizeof(ovi);
 311     GetVersionExA(&ovi);
 312     if (ovi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 313         result |= WF_WIN32WOW; /* undocumented WF_WINNT */
 314     return result;
 315 }
 316
 317 /***********************************************************************
 318  *         GetVersionEx   (KERNEL.149)
 319  */
 320 BOOL16 WINAPI GetVersionEx16(OSVERSIONINFO16 *v)
 321 {
 322     OSVERSIONINFOA info;
 323
 324     if (v->dwOSVersionInfoSize < sizeof(OSVERSIONINFO16))
 325     {
 326         WARN("wrong OSVERSIONINFO size from app\n");
 327         return FALSE;
 328     }
 329
 330     info.dwOSVersionInfoSize = sizeof(info);
 331     if (!GetVersionExA( &info )) return FALSE;
 332
 333     v->dwMajorVersion = info.dwMajorVersion;
 334     v->dwMinorVersion = info.dwMinorVersion;
 335     v->dwBuildNumber  = info.dwBuildNumber;
 336     v->dwPlatformId   = info.dwPlatformId;
 337     strcpy( v->szCSDVersion, info.szCSDVersion );
 338     return TRUE;
 339 }
 340
 341 /***********************************************************************
 342  *           DebugBreak   (KERNEL.203)
 343  */
 344 void WINAPI DebugBreak16( CONTEXT *context )
 345 {
 346     EXCEPTION_RECORD rec;
 347
 348     rec.ExceptionCode    = EXCEPTION_BREAKPOINT;
 349     rec.ExceptionFlags   = 0;
 350     rec.ExceptionRecord  = NULL;
 351     rec.ExceptionAddress = (LPVOID)context->Eip;
 352     rec.NumberParameters = 0;
 353     NtRaiseException( &rec, context, TRUE );
 354 }
 355
 356 /***********************************************************************
 357  *           K329                    (KERNEL.329)
 358  *
 359  * TODO:
 360  * Should fill lpBuffer only if DBO_BUFFERFILL has been set by SetWinDebugInfo()
 361  */
 362 void WINAPI DebugFillBuffer(LPSTR lpBuffer, WORD wBytes)
 363 {
 364     memset(lpBuffer, 0xf9 /* DBGFILL_BUFFER */, wBytes);
 365 }
 366
 367 /***********************************************************************
 368  *           DiagQuery                          (KERNEL.339)
 369  *
 370  * returns TRUE if Win called with "/b" (bootlog.txt)
 371  */
 372 BOOL16 WINAPI DiagQuery16(void)
 373 {
 374     return FALSE;
 375 }
 376
 377 /***********************************************************************
 378  *           DiagOutput                         (KERNEL.340)
 379  *
 380  * writes a debug string into <windir>\bootlog.txt
 381  */
 382 void WINAPI DiagOutput16(LPCSTR str)
 383 {
 384     /* FIXME */
 385     TRACE("DIAGOUTPUT:%s\n", debugstr_a(str));
 386 }
 387
 388 /***********************************************************************
 389  *           hmemcpy   (KERNEL.348)
 390  */
 391 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
 392 {
 393     memcpy( dst, src, count );
 394 }
 395
 396 /***********************************************************************
 397  *           lstrcpyn   (KERNEL.353)
 398  */
 399 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
 400 {
 401     if (!lstrcpynA( MapSL(dst), src, n )) return 0;
 402     return dst;
 403 }
 404
 405 /***********************************************************************
 406  *           lstrcatn   (KERNEL.352)
 407  */
 408 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
 409 {
 410     LPSTR p = MapSL(dst);
 411     LPSTR start = p;
 412
 413     while (*p) p++;
 414     if ((n -= (p - start)) <= 0) return dst;
 415     lstrcpynA( p, src, n );
 416     return dst;
 417 }
 418
 419 #if 0  /* Not used at this time. This is here for documentation only */
 420
 421 /* WINDEBUGINFO flags values */
 422 #define WDI_OPTIONS         0x0001
 423 #define WDI_FILTER          0x0002
 424 #define WDI_ALLOCBREAK      0x0004
 425
 426 /* dwOptions values */
 427 #define DBO_CHECKHEAP       0x0001
 428 #define DBO_BUFFERFILL      0x0004
 429 #define DBO_DISABLEGPTRAPPING 0x0010
 430 #define DBO_CHECKFREE       0x0020
 431
 432 #define DBO_SILENT          0x8000
 433
 434 #define DBO_TRACEBREAK      0x2000
 435 #define DBO_WARNINGBREAK    0x1000
 436 #define DBO_NOERRORBREAK    0x0800
 437 #define DBO_NOFATALBREAK    0x0400
 438 #define DBO_INT3BREAK       0x0100
 439
 440 /* DebugOutput flags values */
 441 #define DBF_TRACE           0x0000
 442 #define DBF_WARNING         0x4000
 443 #define DBF_ERROR           0x8000
 444 #define DBF_FATAL           0xc000
 445
 446 /* dwFilter values */
 447 #define DBF_KERNEL          0x1000
 448 #define DBF_KRN_MEMMAN      0x0001
 449 #define DBF_KRN_LOADMODULE  0x0002
 450 #define DBF_KRN_SEGMENTLOAD 0x0004
 451 #define DBF_USER            0x0800
 452 #define DBF_GDI             0x0400
 453 #define DBF_MMSYSTEM        0x0040
 454 #define DBF_PENWIN          0x0020
 455 #define DBF_APPLICATION     0x0008
 456 #define DBF_DRIVER          0x0010
 457
 458 #endif /* NOLOGERROR */
 459
 460 /***********************************************************************
 461  *          GetWinDebugInfo   (KERNEL.355)
 462  */
 463 BOOL16 WINAPI GetWinDebugInfo16(WINDEBUGINFO16 *lpwdi, UINT16 flags)
 464 {
 465     FIXME("(%8lx,%d): stub returning 0\n",
 466           (unsigned long)lpwdi, flags);
 467     /* 0 means not in debugging mode/version */
 468     /* Can this type of debugging be used in wine ? */
 469     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 470     return 0;
 471 }
 472
 473 /***********************************************************************
 474  *          SetWinDebugInfo   (KERNEL.356)
 475  */
 476 BOOL16 WINAPI SetWinDebugInfo16(WINDEBUGINFO16 *lpwdi)
 477 {
 478     FIXME("(%8lx): stub returning 0\n", (unsigned long)lpwdi);
 479     /* 0 means not in debugging mode/version */
 480     /* Can this type of debugging be used in wine ? */
 481     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 482     return 0;
 483 }
 484
 485 /***********************************************************************
 486  *           UnicodeToAnsi   (KERNEL.434)
 487  */
 488 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
 489 {
 490     if ( codepage == -1 ) codepage = CP_ACP;
 491     return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
 492 }
 493
 494 /***********************************************************************
 495  *       VWin32_EventCreate     (KERNEL.442)
 496  */
 497 HANDLE WINAPI VWin32_EventCreate(VOID)
 498 {
 499     HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
 500     return ConvertToGlobalHandle( hEvent );
 501 }
 502
 503 /***********************************************************************
 504  *       VWin32_EventDestroy    (KERNEL.443)
 505  */
 506 VOID WINAPI VWin32_EventDestroy(HANDLE event)
 507 {
 508     CloseHandle( event );
 509 }
 510
 511 /***********************************************************************
 512  *       VWin32_EventWait       (KERNEL.450)
 513  */
 514 VOID WINAPI VWin32_EventWait(HANDLE event)
 515 {
 516     DWORD mutex_count;
 517
 518     ReleaseThunkLock( &mutex_count );
 519     WaitForSingleObject( event, INFINITE );
 520     RestoreThunkLock( mutex_count );
 521 }
 522
 523 /***********************************************************************
 524  *       VWin32_EventSet        (KERNEL.451)
 525  *       KERNEL_479             (KERNEL.479)
 526  */
 527 VOID WINAPI VWin32_EventSet(HANDLE event)
 528 {
 529     SetEvent( event );
 530 }
 531
 532 /***********************************************************************
 533  *           GetProcAddress32                   (KERNEL.453)
 534  */
 535 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
 536 {
 537     /* FIXME: we used to disable snoop when returning proc for Win16 subsystem */
 538     return GetProcAddress( hModule, function );
 539 }
 540
 541 /***********************************************************************
 542  *           CreateW32Event    (KERNEL.457)
 543  */
 544 HANDLE WINAPI CreateW32Event( BOOL manual_reset, BOOL initial_state )
 545 {
 546     return CreateEventW( NULL, manual_reset, initial_state, NULL );
 547 }
 548
 549 /***********************************************************************
 550  *           SetW32Event (KERNEL.458)
 551  */
 552 BOOL WINAPI SetW32Event( HANDLE handle )
 553 {
 554     return SetEvent( handle );
 555 }
 556
 557 /***********************************************************************
 558  *           ResetW32Event (KERNEL.459)
 559  */
 560 BOOL WINAPI ResetW32Event( HANDLE handle )
 561 {
 562     return ResetEvent( handle );
 563 }
 564
 565 /***********************************************************************
 566  *           WaitForSingleObject   (KERNEL.460)
 567  */
 568 DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
 569 {
 570     DWORD retval, mutex_count;
 571
 572     ReleaseThunkLock( &mutex_count );
 573     retval = WaitForSingleObject( handle, timeout );
 574     RestoreThunkLock( mutex_count );
 575     return retval;
 576 }
 577
 578 /***********************************************************************
 579  *           WaitForMultipleObjects   (KERNEL.461)
 580  */
 581 DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
 582                                        BOOL wait_all, DWORD timeout )
 583 {
 584     DWORD retval, mutex_count;
 585
 586     ReleaseThunkLock( &mutex_count );
 587     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 588     RestoreThunkLock( mutex_count );
 589     return retval;
 590 }
 591
 592 /***********************************************************************
 593  *              GetCurrentThreadId (KERNEL.462)
 594  */
 595 DWORD WINAPI GetCurrentThreadId16(void)
 596 {
 597     return GetCurrentThreadId();
 598 }
 599
 600 /***********************************************************************
 601  *           ExitProcess   (KERNEL.466)
 602  */
 603 void WINAPI ExitProcess16( WORD status )
 604 {
 605     DWORD count;
 606     ReleaseThunkLock( &count );
 607     ExitProcess( status );
 608 }
 609
 610 /***********************************************************************
 611  *              GetCurrentProcessId (KERNEL.471)
 612  */
 613 DWORD WINAPI GetCurrentProcessId16(void)
 614 {
 615     return GetCurrentProcessId();
 616 }
 617
 618 /*********************************************************************
 619  *           CloseW32Handle (KERNEL.474)
 620  */
 621 BOOL WINAPI CloseW32Handle( HANDLE handle )
 622 {
 623     return CloseHandle( handle );
 624 }
 625
 626 /***********************************************************************
 627  *           ConvertToGlobalHandle   (KERNEL.476)
 628  */
 629 HANDLE WINAPI ConvertToGlobalHandle16( HANDLE handle )
 630 {
 631     return ConvertToGlobalHandle( handle );
 632 }
 633
 634 /*********************************************************************
 635  *           MapProcessHandle   (KERNEL.483)
 636  */
 637 DWORD WINAPI MapProcessHandle( HANDLE hProcess )
 638 {
 639     return GetProcessId( hProcess );
 640 }
 641
 642 /***********************************************************************
 643  *           SetProcessDword    (KERNEL.484)
 644  * 'Of course you cannot directly access Windows internal structures'
 645  */
 646 void WINAPI SetProcessDword16( DWORD dwProcessID, INT offset, DWORD value )
 647 {
 648     TRACE("(%d, %d)\n", dwProcessID, offset );
 649
 650     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 651     {
 652         ERR("%d: process %x not accessible\n", offset, dwProcessID);
 653         return;
 654     }
 655
 656     switch ( offset )
 657     {
 658     case GPD_APP_COMPAT_FLAGS:
 659     case GPD_LOAD_DONE_EVENT:
 660     case GPD_HINSTANCE16:
 661     case GPD_WINDOWS_VERSION:
 662     case GPD_THDB:
 663     case GPD_PDB:
 664     case GPD_STARTF_SHELLDATA:
 665     case GPD_STARTF_HOTKEY:
 666     case GPD_STARTF_SHOWWINDOW:
 667     case GPD_STARTF_SIZE:
 668     case GPD_STARTF_POSITION:
 669     case GPD_STARTF_FLAGS:
 670     case GPD_PARENT:
 671     case GPD_FLAGS:
 672         ERR("Not allowed to modify offset %d\n", offset );
 673         break;
 674     case GPD_USERDATA:
 675         process_dword = value;
 676         break;
 677     default:
 678         ERR("Unknown offset %d\n", offset );
 679         break;
 680     }
 681 }
 682
 683 /***********************************************************************
 684  *           GetProcessDword    (KERNEL.485)
 685  * 'Of course you cannot directly access Windows internal structures'
 686  */
 687 DWORD WINAPI GetProcessDword16( DWORD dwProcessID, INT offset )
 688 {
 689     DWORD               x, y;
 690     STARTUPINFOW        siw;
 691
 692     TRACE("(%d, %d)\n", dwProcessID, offset );
 693
 694     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 695     {
 696         ERR("%d: process %x not accessible\n", offset, dwProcessID);
 697         return 0;
 698     }
 699
 700     switch ( offset )
 701     {
 702     case GPD_APP_COMPAT_FLAGS:
 703         return GetAppCompatFlags16(0);
 704     case GPD_LOAD_DONE_EVENT:
 705         return 0;
 706     case GPD_HINSTANCE16:
 707         return GetTaskDS16();
 708     case GPD_WINDOWS_VERSION:
 709         return GetExeVersion16();
 710     case GPD_THDB:
 711         return (DWORD_PTR)NtCurrentTeb() - 0x10 /* FIXME */;
 712     case GPD_PDB:
 713         return (DWORD_PTR)NtCurrentTeb()->Peb; /* FIXME: truncating a pointer */
 714     case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */
 715         GetStartupInfoW(&siw);
 716         return HandleToULong(siw.hStdOutput);
 717     case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */
 718         GetStartupInfoW(&siw);
 719         return HandleToULong(siw.hStdInput);
 720     case GPD_STARTF_SHOWWINDOW:
 721         GetStartupInfoW(&siw);
 722         return siw.wShowWindow;
 723     case GPD_STARTF_SIZE:
 724         GetStartupInfoW(&siw);
 725         x = siw.dwXSize;
 726         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 727         y = siw.dwYSize;
 728         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 729         return MAKELONG( x, y );
 730     case GPD_STARTF_POSITION:
 731         GetStartupInfoW(&siw);
 732         x = siw.dwX;
 733         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 734         y = siw.dwY;
 735         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 736         return MAKELONG( x, y );
 737     case GPD_STARTF_FLAGS:
 738         GetStartupInfoW(&siw);
 739         return siw.dwFlags;
 740     case GPD_PARENT:
 741         return 0;
 742     case GPD_FLAGS:
 743         return GetProcessFlags(0);
 744     case GPD_USERDATA:
 745         return process_dword;
 746     default:
 747         ERR("Unknown offset %d\n", offset );
 748         return 0;
 749     }
 750 }
 751
 752 /***********************************************************************
 753  *           FreeLibrary32 (KERNEL.486)
 754  */
 755 BOOL WINAPI FreeLibrary32_16( HINSTANCE module )
 756 {
 757     return FreeLibrary( module );
 758 }
 759
 760 /***********************************************************************
 761  *              GetModuleFileName32     (KERNEL.487)
 762  */
 763 DWORD WINAPI GetModuleFileName32_16( HMODULE module, LPSTR buffer, DWORD size )
 764 {
 765     return GetModuleFileNameA( module, buffer, size );
 766 }
 767
 768 /***********************************************************************
 769  *              GetModuleHandle32        (KERNEL.488)
 770  */
 771 HMODULE WINAPI GetModuleHandle32_16(LPCSTR module)
 772 {
 773     return GetModuleHandleA( module );
 774 }
 775
 776 /***********************************************************************
 777  *              RegisterServiceProcess (KERNEL.491)
 778  */
 779 DWORD WINAPI RegisterServiceProcess16( DWORD dwProcessId, DWORD dwType )
 780 {
 781     return 1; /* success */
 782 }
 783
 784 /***********************************************************************
 785  *           WaitForMultipleObjectsEx   (KERNEL.495)
 786  */
 787 DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
 788                                          BOOL wait_all, DWORD timeout, BOOL alertable )
 789 {
 790     DWORD retval, mutex_count;
 791
 792     ReleaseThunkLock( &mutex_count );
 793     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
 794     RestoreThunkLock( mutex_count );
 795     return retval;
 796 }
 797
 798 /**********************************************************************
 799  * VWin32_BoostThreadGroup   (KERNEL.535)
 800  */
 801 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
 802 {
 803     FIXME("(0x%08x,%d): stub\n", threadId, boost);
 804 }
 805
 806
 807 /**********************************************************************
 808  * VWin32_BoostThreadStatic   (KERNEL.536)
 809  */
 810 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
 811 {
 812     FIXME("(0x%08x,%d): stub\n", threadId, boost);
 813 }
 814
 815 /***********************************************************************
 816  *              EnableDos (KERNEL.41)
 817  *              DisableDos (KERNEL.42)
 818  *              GetLastDiskChange (KERNEL.98)
 819  *              ValidateCodeSegments (KERNEL.100)
 820  *              KbdRst (KERNEL.123)
 821  *              EnableKernel (KERNEL.124)
 822  *              DisableKernel (KERNEL.125)
 823  *              ValidateFreeSpaces (KERNEL.200)
 824  *              K237 (KERNEL.237)
 825  *              BUNNY_351 (KERNEL.351)
 826  *              PIGLET_361 (KERNEL.361)
 827  *
 828  * Entry point for kernel functions that do nothing.
 829  */
 830 LONG WINAPI KERNEL_nop(void)
 831 {
 832     return 0;
 833 }
 834
 835 /***********************************************************************
 836  *           ToolHelpHook                             (KERNEL.341)
 837  *      see "Undocumented Windows"
 838  */
 839 FARPROC16 WINAPI ToolHelpHook16(FARPROC16 func)
 840 {
 841     static FARPROC16 hook;
 842
 843     FIXME("(%p), stub.\n", func);
 844     return InterlockedExchangePointer( (void **)&hook, func );
 845 }
 846
 847 /* thunk for 16-bit CreateThread */
 848 struct thread_args
 849 {
 850     FARPROC16 proc;
 851     DWORD     param;
 852 };
 853
 854 static DWORD CALLBACK start_thread16( LPVOID threadArgs )
 855 {
 856     struct thread_args args = *(struct thread_args *)threadArgs;
 857     HeapFree( GetProcessHeap(), 0, threadArgs );
 858     return K32WOWCallback16( (DWORD)args.proc, args.param );
 859 }
 860
 861 /***********************************************************************
 862  *           CreateThread16   (KERNEL.441)
 863  */
 864 HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
 865                               FARPROC16 start, SEGPTR param,
 866                               DWORD flags, LPDWORD id )
 867 {
 868     struct thread_args *args = HeapAlloc( GetProcessHeap(), 0, sizeof(*args) );
 869     if (!args) return INVALID_HANDLE_VALUE;
 870     args->proc = start;
 871     args->param = param;
 872     return CreateThread( sa, stack, start_thread16, args, flags, id );
 873 }
 874
 875 /***********************************************************************
 876  *           _DebugOutput                    (KERNEL.328)
 877  */
 878 void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
 879 {
 880     char caller[101];
 881
 882     /* Decode caller address */
 883     if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
 884         sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );
 885
 886     /* FIXME: cannot use wvsnprintf16 from kernel */
 887     /* wvsnprintf16( temp, sizeof(temp), spec, valist ); */
 888
 889     /* Output */
 890     FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
 891 }