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 void *dummy = RaiseException;  /* force importing it from kernel32 */
  39
  40 static DWORD process_dword;
  41
  42 /***********************************************************************
  43  *           KERNEL thread initialisation routine
  44  */
  45 static void thread_attach(void)
  46 {
  47     /* allocate the 16-bit stack (FIXME: should be done lazily) */
  48     HGLOBAL16 hstack = WOWGlobalAlloc16( GMEM_FIXED, 0x10000 );
  49     kernel_get_thread_data()->stack_sel = GlobalHandleToSel16( hstack );
  50     NtCurrentTeb()->WOW32Reserved = (void *)MAKESEGPTR( kernel_get_thread_data()->stack_sel,
  51                                                         0x10000 - sizeof(STACK16FRAME) );
  52     memset( (char *)GlobalLock16(hstack) + 0x10000 - sizeof(STACK16FRAME), 0, sizeof(STACK16FRAME) );
  53 }
  54
  55
  56 /***********************************************************************
  57  *           KERNEL thread finalisation routine
  58  */
  59 static void thread_detach(void)
  60 {
  61     /* free the 16-bit stack */
  62     WOWGlobalFree16( kernel_get_thread_data()->stack_sel );
  63     NtCurrentTeb()->WOW32Reserved = 0;
  64     if (NtCurrentTeb()->Tib.SubSystemTib) TASK_ExitTask();
  65 }
  66
  67
  68 /**************************************************************************
  69  *              DllMain
  70  */
  71 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  72 {
  73     switch(reason)
  74     {
  75     case DLL_PROCESS_ATTACH:
  76         init_selectors();
  77         if (LoadLibrary16( "krnl386.exe" ) < 32) return FALSE;
  78         /* fall through */
  79     case DLL_THREAD_ATTACH:
  80         thread_attach();
  81         break;
  82     case DLL_THREAD_DETACH:
  83         thread_detach();
  84         break;
  85     }
  86     return TRUE;
  87 }
  88
  89
  90 /**************************************************************************
  91  *              DllEntryPoint   (KERNEL.669)
  92  */
  93 BOOL WINAPI KERNEL_DllEntryPoint( DWORD reasion, HINSTANCE16 inst, WORD ds,
  94                                   WORD heap, DWORD reserved1, WORD reserved2 )
  95 {
  96     static BOOL done;
  97
  98     /* the entry point can be called multiple times */
  99     if (done) return TRUE;
 100     done = TRUE;
 101
 102     /* create the shared heap for broken win95 native dlls */
 103     HeapCreate( HEAP_SHARED, 0, 0 );
 104
 105     /* setup emulation of protected instructions from 32-bit code */
 106     if (GetVersion() & 0x80000000) RtlAddVectoredExceptionHandler( TRUE, INSTR_vectored_handler );
 107
 108     /* Initialize 16-bit thunking entry points */
 109     if (!WOWTHUNK_Init()) return FALSE;
 110
 111     /* Initialize DOS memory */
 112     if (!DOSMEM_Init()) return FALSE;
 113
 114     /* Initialize special KERNEL entry points */
 115
 116     NE_SetEntryPoint( inst, 178, GetWinFlags16() );
 117
 118     NE_SetEntryPoint( inst, 454, get_cs() );
 119     NE_SetEntryPoint( inst, 455, get_ds() );
 120
 121     NE_SetEntryPoint( inst, 183, DOSMEM_0000H );       /* KERNEL.183: __0000H */
 122     NE_SetEntryPoint( inst, 173, DOSMEM_BiosSysSeg );  /* KERNEL.173: __ROMBIOS */
 123     NE_SetEntryPoint( inst, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
 124     NE_SetEntryPoint( inst, 194, DOSMEM_BiosSysSeg );  /* KERNEL.194: __F000H */
 125
 126     /* Initialize KERNEL.THHOOK */
 127     TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( inst, (LPCSTR)332 )));
 128     TASK_CreateMainTask();
 129
 130     /* Initialize the real-mode selector entry points */
 131 #define SET_ENTRY_POINT( num, addr ) \
 132     NE_SetEntryPoint( inst, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
 133                       DOSMEM_MapDosToLinear(addr), 0x10000, inst, \
 134                       LDT_FLAGS_DATA ))
 135
 136     SET_ENTRY_POINT( 174, 0xa0000 );  /* KERNEL.174: __A000H */
 137     SET_ENTRY_POINT( 181, 0xb0000 );  /* KERNEL.181: __B000H */
 138     SET_ENTRY_POINT( 182, 0xb8000 );  /* KERNEL.182: __B800H */
 139     SET_ENTRY_POINT( 195, 0xc0000 );  /* KERNEL.195: __C000H */
 140     SET_ENTRY_POINT( 179, 0xd0000 );  /* KERNEL.179: __D000H */
 141     SET_ENTRY_POINT( 190, 0xe0000 );  /* KERNEL.190: __E000H */
 142 #undef SET_ENTRY_POINT
 143
 144     /* Force loading of some dlls */
 145     LoadLibrary16( "system.drv" );
 146     LoadLibrary16( "comm.drv" );
 147
 148     return TRUE;
 149 }
 150
 151 /***********************************************************************
 152  *         GetVersion   (KERNEL.3)
 153  */
 154 DWORD WINAPI GetVersion16(void)
 155 {
 156     static WORD dosver, winver;
 157
 158     if (!dosver)  /* not determined yet */
 159     {
 160         RTL_OSVERSIONINFOEXW info;
 161
 162         info.dwOSVersionInfoSize = sizeof(info);
 163         if (RtlGetVersion( &info )) return 0;
 164
 165         if (info.dwMajorVersion <= 3)
 166             winver = MAKEWORD( info.dwMajorVersion, info.dwMinorVersion );
 167         else
 168             winver = MAKEWORD( 3, 95 );
 169
 170         switch(info.dwPlatformId)
 171         {
 172         case VER_PLATFORM_WIN32s:
 173             switch(MAKELONG( info.dwMinorVersion, info.dwMajorVersion ))
 174             {
 175             case 0x0200:
 176                 dosver = 0x0303;  /* DOS 3.3 for Windows 2.0 */
 177                 break;
 178             case 0x0300:
 179                 dosver = 0x0500;  /* DOS 5.0 for Windows 3.0 */
 180                 break;
 181             default:
 182                 dosver = 0x0616;  /* DOS 6.22 for Windows 3.1 and later */
 183                 break;
 184             }
 185             break;
 186         case VER_PLATFORM_WIN32_WINDOWS:
 187             /* DOS 8.0 for WinME, 7.0 for Win95/98 */
 188             if (info.dwMinorVersion >= 90) dosver = 0x0800;
 189             else dosver = 0x0700;
 190             break;
 191         case VER_PLATFORM_WIN32_NT:
 192             dosver = 0x0500;  /* always DOS 5.0 for NT */
 193             break;
 194         }
 195         TRACE( "DOS %d.%02d Win %d.%02d\n",
 196                HIBYTE(dosver), LOBYTE(dosver), LOBYTE(winver), HIBYTE(winver) );
 197     }
 198     return MAKELONG( winver, dosver );
 199 }
 200
 201 /***********************************************************************
 202  *              Reserved1 (KERNEL.77)
 203  */
 204 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
 205 {
 206     return (*(char *)MapSL(current)) ? current + 1 : current;
 207 }
 208
 209 /***********************************************************************
 210  *              Reserved2(KERNEL.78)
 211  */
 212 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
 213 {
 214     return (current==start)?start:current-1;
 215 }
 216
 217 /***********************************************************************
 218  *              Reserved3 (KERNEL.79)
 219  */
 220 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
 221 {
 222     /* uppercase only one char if strOrChar < 0x10000 */
 223     if (HIWORD(strOrChar))
 224     {
 225         char *s = MapSL(strOrChar);
 226         while (*s)
 227         {
 228             *s = toupper(*s);
 229             s++;
 230         }
 231         return strOrChar;
 232     }
 233     else return toupper((char)strOrChar);
 234 }
 235
 236 /***********************************************************************
 237  *              Reserved4 (KERNEL.80)
 238  */
 239 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
 240 {
 241     /* lowercase only one char if strOrChar < 0x10000 */
 242     if (HIWORD(strOrChar))
 243     {
 244         char *s = MapSL(strOrChar);
 245         while (*s)
 246         {
 247             *s = tolower(*s);
 248             s++;
 249         }
 250         return strOrChar;
 251     }
 252     else return tolower((char)strOrChar);
 253 }
 254
 255 /***********************************************************************
 256  *              Reserved5 (KERNEL.87)
 257  */
 258 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
 259 {
 260     int ret = strcmp( str1, str2 );
 261
 262     /* Looks too complicated, but in optimized strcpy we might get
 263      * a 32bit wide difference and would truncate it to 16 bit, so
 264      * erroneously returning equality. */
 265     if (ret < 0) return -1;
 266     if (ret > 0) return  1;
 267     return 0;
 268 }
 269
 270 /***********************************************************************
 271  *           lstrcpy   (KERNEL.88)
 272  */
 273 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
 274 {
 275     if (!lstrcpyA( MapSL(dst), src )) dst = 0;
 276     return dst;
 277 }
 278
 279 /***********************************************************************
 280  *           lstrcat   (KERNEL.89)
 281  */
 282 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
 283 {
 284     /* Windows does not check for NULL pointers here, so we don't either */
 285     strcat( MapSL(dst), src );
 286     return dst;
 287 }
 288
 289 /***********************************************************************
 290  *           lstrlen   (KERNEL.90)
 291  */
 292 INT16 WINAPI lstrlen16( LPCSTR str )
 293 {
 294     return (INT16)lstrlenA( str );
 295 }
 296
 297 /***********************************************************************
 298  *           OutputDebugString   (KERNEL.115)
 299  */
 300 void WINAPI OutputDebugString16( LPCSTR str )
 301 {
 302     OutputDebugStringA( str );
 303 }
 304
 305 /***********************************************************************
 306  *          GetWinFlags   (KERNEL.132)
 307  */
 308 DWORD WINAPI GetWinFlags16(void)
 309 {
 310     static const long cpuflags[5] = { WF_CPU086, WF_CPU186, WF_CPU286, WF_CPU386, WF_CPU486 };
 311     SYSTEM_INFO si;
 312     OSVERSIONINFOA ovi;
 313     DWORD result;
 314
 315     GetSystemInfo(&si);
 316
 317     /* There doesn't seem to be any Pentium flag.  */
 318     result = cpuflags[min(si.wProcessorLevel, 4)] | WF_ENHANCED | WF_PMODE | WF_80x87 | WF_PAGING;
 319     if (si.wProcessorLevel >= 4) result |= WF_HASCPUID;
 320     ovi.dwOSVersionInfoSize = sizeof(ovi);
 321     GetVersionExA(&ovi);
 322     if (ovi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 323         result |= WF_WIN32WOW; /* undocumented WF_WINNT */
 324     return result;
 325 }
 326
 327 /***********************************************************************
 328  *         GetVersionEx   (KERNEL.149)
 329  */
 330 BOOL16 WINAPI GetVersionEx16(OSVERSIONINFO16 *v)
 331 {
 332     OSVERSIONINFOA info;
 333
 334     if (v->dwOSVersionInfoSize < sizeof(OSVERSIONINFO16))
 335     {
 336         WARN("wrong OSVERSIONINFO size from app\n");
 337         return FALSE;
 338     }
 339
 340     info.dwOSVersionInfoSize = sizeof(info);
 341     if (!GetVersionExA( &info )) return FALSE;
 342
 343     v->dwMajorVersion = info.dwMajorVersion;
 344     v->dwMinorVersion = info.dwMinorVersion;
 345     v->dwBuildNumber  = info.dwBuildNumber;
 346     v->dwPlatformId   = info.dwPlatformId;
 347     strcpy( v->szCSDVersion, info.szCSDVersion );
 348     return TRUE;
 349 }
 350
 351 /***********************************************************************
 352  *           DebugBreak   (KERNEL.203)
 353  */
 354 void WINAPI DebugBreak16( CONTEXT *context )
 355 {
 356     EXCEPTION_RECORD rec;
 357
 358     rec.ExceptionCode    = EXCEPTION_BREAKPOINT;
 359     rec.ExceptionFlags   = 0;
 360     rec.ExceptionRecord  = NULL;
 361     rec.ExceptionAddress = (LPVOID)context->Eip;
 362     rec.NumberParameters = 0;
 363     NtRaiseException( &rec, context, TRUE );
 364 }
 365
 366 /***********************************************************************
 367  *           K329                    (KERNEL.329)
 368  *
 369  * TODO:
 370  * Should fill lpBuffer only if DBO_BUFFERFILL has been set by SetWinDebugInfo()
 371  */
 372 void WINAPI DebugFillBuffer(LPSTR lpBuffer, WORD wBytes)
 373 {
 374     memset(lpBuffer, 0xf9 /* DBGFILL_BUFFER */, wBytes);
 375 }
 376
 377 /***********************************************************************
 378  *           DiagQuery                          (KERNEL.339)
 379  *
 380  * returns TRUE if Win called with "/b" (bootlog.txt)
 381  */
 382 BOOL16 WINAPI DiagQuery16(void)
 383 {
 384     return FALSE;
 385 }
 386
 387 /***********************************************************************
 388  *           DiagOutput                         (KERNEL.340)
 389  *
 390  * writes a debug string into <windir>\bootlog.txt
 391  */
 392 void WINAPI DiagOutput16(LPCSTR str)
 393 {
 394     /* FIXME */
 395     TRACE("DIAGOUTPUT:%s\n", debugstr_a(str));
 396 }
 397
 398 /***********************************************************************
 399  *           hmemcpy   (KERNEL.348)
 400  */
 401 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
 402 {
 403     memcpy( dst, src, count );
 404 }
 405
 406 /***********************************************************************
 407  *           lstrcpyn   (KERNEL.353)
 408  */
 409 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
 410 {
 411     if (!lstrcpynA( MapSL(dst), src, n )) return 0;
 412     return dst;
 413 }
 414
 415 /***********************************************************************
 416  *           lstrcatn   (KERNEL.352)
 417  */
 418 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
 419 {
 420     LPSTR p = MapSL(dst);
 421     LPSTR start = p;
 422
 423     while (*p) p++;
 424     if ((n -= (p - start)) <= 0) return dst;
 425     lstrcpynA( p, src, n );
 426     return dst;
 427 }
 428
 429 #if 0  /* Not used at this time. This is here for documentation only */
 430
 431 /* WINDEBUGINFO flags values */
 432 #define WDI_OPTIONS         0x0001
 433 #define WDI_FILTER          0x0002
 434 #define WDI_ALLOCBREAK      0x0004
 435
 436 /* dwOptions values */
 437 #define DBO_CHECKHEAP       0x0001
 438 #define DBO_BUFFERFILL      0x0004
 439 #define DBO_DISABLEGPTRAPPING 0x0010
 440 #define DBO_CHECKFREE       0x0020
 441
 442 #define DBO_SILENT          0x8000
 443
 444 #define DBO_TRACEBREAK      0x2000
 445 #define DBO_WARNINGBREAK    0x1000
 446 #define DBO_NOERRORBREAK    0x0800
 447 #define DBO_NOFATALBREAK    0x0400
 448 #define DBO_INT3BREAK       0x0100
 449
 450 /* DebugOutput flags values */
 451 #define DBF_TRACE           0x0000
 452 #define DBF_WARNING         0x4000
 453 #define DBF_ERROR           0x8000
 454 #define DBF_FATAL           0xc000
 455
 456 /* dwFilter values */
 457 #define DBF_KERNEL          0x1000
 458 #define DBF_KRN_MEMMAN      0x0001
 459 #define DBF_KRN_LOADMODULE  0x0002
 460 #define DBF_KRN_SEGMENTLOAD 0x0004
 461 #define DBF_USER            0x0800
 462 #define DBF_GDI             0x0400
 463 #define DBF_MMSYSTEM        0x0040
 464 #define DBF_PENWIN          0x0020
 465 #define DBF_APPLICATION     0x0008
 466 #define DBF_DRIVER          0x0010
 467
 468 #endif /* NOLOGERROR */
 469
 470 /***********************************************************************
 471  *          GetWinDebugInfo   (KERNEL.355)
 472  */
 473 BOOL16 WINAPI GetWinDebugInfo16(WINDEBUGINFO16 *lpwdi, UINT16 flags)
 474 {
 475     FIXME("(%p,%d): stub returning FALSE\n", lpwdi, flags);
 476     /* FALSE means not in debugging mode/version */
 477     /* Can this type of debugging be used in wine ? */
 478     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 479     return FALSE;
 480 }
 481
 482 /***********************************************************************
 483  *          SetWinDebugInfo   (KERNEL.356)
 484  */
 485 BOOL16 WINAPI SetWinDebugInfo16(WINDEBUGINFO16 *lpwdi)
 486 {
 487     FIXME("(%p): stub returning FALSE\n", lpwdi);
 488     /* FALSE means not in debugging mode/version */
 489     /* Can this type of debugging be used in wine ? */
 490     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 491     return FALSE;
 492 }
 493
 494 /***********************************************************************
 495  *           UnicodeToAnsi   (KERNEL.434)
 496  */
 497 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
 498 {
 499     if ( codepage == -1 ) codepage = CP_ACP;
 500     return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
 501 }
 502
 503 /***********************************************************************
 504  *       VWin32_EventCreate     (KERNEL.442)
 505  */
 506 HANDLE WINAPI VWin32_EventCreate(VOID)
 507 {
 508     HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
 509     return ConvertToGlobalHandle( hEvent );
 510 }
 511
 512 /***********************************************************************
 513  *       VWin32_EventDestroy    (KERNEL.443)
 514  */
 515 VOID WINAPI VWin32_EventDestroy(HANDLE event)
 516 {
 517     CloseHandle( event );
 518 }
 519
 520 /***********************************************************************
 521  *       VWin32_EventWait       (KERNEL.450)
 522  */
 523 VOID WINAPI VWin32_EventWait(HANDLE event)
 524 {
 525     DWORD mutex_count;
 526
 527     ReleaseThunkLock( &mutex_count );
 528     WaitForSingleObject( event, INFINITE );
 529     RestoreThunkLock( mutex_count );
 530 }
 531
 532 /***********************************************************************
 533  *       VWin32_EventSet        (KERNEL.451)
 534  *       KERNEL_479             (KERNEL.479)
 535  */
 536 VOID WINAPI VWin32_EventSet(HANDLE event)
 537 {
 538     SetEvent( event );
 539 }
 540
 541 /***********************************************************************
 542  *           GetProcAddress32                   (KERNEL.453)
 543  */
 544 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
 545 {
 546     /* FIXME: we used to disable snoop when returning proc for Win16 subsystem */
 547     return GetProcAddress( hModule, function );
 548 }
 549
 550 /***********************************************************************
 551  *           CreateW32Event    (KERNEL.457)
 552  */
 553 HANDLE WINAPI CreateW32Event( BOOL manual_reset, BOOL initial_state )
 554 {
 555     return CreateEventW( NULL, manual_reset, initial_state, NULL );
 556 }
 557
 558 /***********************************************************************
 559  *           SetW32Event (KERNEL.458)
 560  */
 561 BOOL WINAPI SetW32Event( HANDLE handle )
 562 {
 563     return SetEvent( handle );
 564 }
 565
 566 /***********************************************************************
 567  *           ResetW32Event (KERNEL.459)
 568  */
 569 BOOL WINAPI ResetW32Event( HANDLE handle )
 570 {
 571     return ResetEvent( handle );
 572 }
 573
 574 /***********************************************************************
 575  *           WaitForSingleObject   (KERNEL.460)
 576  */
 577 DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
 578 {
 579     DWORD retval, mutex_count;
 580
 581     ReleaseThunkLock( &mutex_count );
 582     retval = WaitForSingleObject( handle, timeout );
 583     RestoreThunkLock( mutex_count );
 584     return retval;
 585 }
 586
 587 /***********************************************************************
 588  *           WaitForMultipleObjects   (KERNEL.461)
 589  */
 590 DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
 591                                        BOOL wait_all, DWORD timeout )
 592 {
 593     DWORD retval, mutex_count;
 594
 595     ReleaseThunkLock( &mutex_count );
 596     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 597     RestoreThunkLock( mutex_count );
 598     return retval;
 599 }
 600
 601 /***********************************************************************
 602  *              GetCurrentThreadId (KERNEL.462)
 603  */
 604 DWORD WINAPI GetCurrentThreadId16(void)
 605 {
 606     return GetCurrentThreadId();
 607 }
 608
 609 /***********************************************************************
 610  *           ExitProcess   (KERNEL.466)
 611  */
 612 void WINAPI ExitProcess16( WORD status )
 613 {
 614     DWORD count;
 615     ReleaseThunkLock( &count );
 616     ExitProcess( status );
 617 }
 618
 619 /***********************************************************************
 620  *              GetCurrentProcessId (KERNEL.471)
 621  */
 622 DWORD WINAPI GetCurrentProcessId16(void)
 623 {
 624     return GetCurrentProcessId();
 625 }
 626
 627 /*********************************************************************
 628  *           CloseW32Handle (KERNEL.474)
 629  */
 630 BOOL WINAPI CloseW32Handle( HANDLE handle )
 631 {
 632     return CloseHandle( handle );
 633 }
 634
 635 /***********************************************************************
 636  *           ConvertToGlobalHandle   (KERNEL.476)
 637  */
 638 HANDLE WINAPI ConvertToGlobalHandle16( HANDLE handle )
 639 {
 640     return ConvertToGlobalHandle( handle );
 641 }
 642
 643 /*********************************************************************
 644  *           MapProcessHandle   (KERNEL.483)
 645  */
 646 DWORD WINAPI MapProcessHandle( HANDLE hProcess )
 647 {
 648     return GetProcessId( hProcess );
 649 }
 650
 651 /***********************************************************************
 652  *           SetProcessDword    (KERNEL.484)
 653  * 'Of course you cannot directly access Windows internal structures'
 654  */
 655 void WINAPI SetProcessDword( DWORD dwProcessID, INT offset, DWORD value )
 656 {
 657     TRACE("(%d, %d)\n", dwProcessID, offset );
 658
 659     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 660     {
 661         ERR("%d: process %x not accessible\n", offset, dwProcessID);
 662         return;
 663     }
 664
 665     switch ( offset )
 666     {
 667     case GPD_APP_COMPAT_FLAGS:
 668     case GPD_LOAD_DONE_EVENT:
 669     case GPD_HINSTANCE16:
 670     case GPD_WINDOWS_VERSION:
 671     case GPD_THDB:
 672     case GPD_PDB:
 673     case GPD_STARTF_SHELLDATA:
 674     case GPD_STARTF_HOTKEY:
 675     case GPD_STARTF_SHOWWINDOW:
 676     case GPD_STARTF_SIZE:
 677     case GPD_STARTF_POSITION:
 678     case GPD_STARTF_FLAGS:
 679     case GPD_PARENT:
 680     case GPD_FLAGS:
 681         ERR("Not allowed to modify offset %d\n", offset );
 682         break;
 683     case GPD_USERDATA:
 684         process_dword = value;
 685         break;
 686     default:
 687         ERR("Unknown offset %d\n", offset );
 688         break;
 689     }
 690 }
 691
 692 /***********************************************************************
 693  *           GetProcessDword    (KERNEL.485)
 694  * 'Of course you cannot directly access Windows internal structures'
 695  */
 696 DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset )
 697 {
 698     DWORD               x, y;
 699     STARTUPINFOW        siw;
 700
 701     TRACE("(%d, %d)\n", dwProcessID, offset );
 702
 703     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 704     {
 705         ERR("%d: process %x not accessible\n", offset, dwProcessID);
 706         return 0;
 707     }
 708
 709     switch ( offset )
 710     {
 711     case GPD_APP_COMPAT_FLAGS:
 712         return GetAppCompatFlags16(0);
 713     case GPD_LOAD_DONE_EVENT:
 714         return 0;
 715     case GPD_HINSTANCE16:
 716         return GetTaskDS16();
 717     case GPD_WINDOWS_VERSION:
 718         return GetExeVersion16();
 719     case GPD_THDB:
 720         return (DWORD_PTR)NtCurrentTeb() - 0x10 /* FIXME */;
 721     case GPD_PDB:
 722         return (DWORD_PTR)NtCurrentTeb()->Peb; /* FIXME: truncating a pointer */
 723     case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */
 724         GetStartupInfoW(&siw);
 725         return HandleToULong(siw.hStdOutput);
 726     case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */
 727         GetStartupInfoW(&siw);
 728         return HandleToULong(siw.hStdInput);
 729     case GPD_STARTF_SHOWWINDOW:
 730         GetStartupInfoW(&siw);
 731         return siw.wShowWindow;
 732     case GPD_STARTF_SIZE:
 733         GetStartupInfoW(&siw);
 734         x = siw.dwXSize;
 735         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 736         y = siw.dwYSize;
 737         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 738         return MAKELONG( x, y );
 739     case GPD_STARTF_POSITION:
 740         GetStartupInfoW(&siw);
 741         x = siw.dwX;
 742         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 743         y = siw.dwY;
 744         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 745         return MAKELONG( x, y );
 746     case GPD_STARTF_FLAGS:
 747         GetStartupInfoW(&siw);
 748         return siw.dwFlags;
 749     case GPD_PARENT:
 750         return 0;
 751     case GPD_FLAGS:
 752         return GetProcessFlags(0);
 753     case GPD_USERDATA:
 754         return process_dword;
 755     default:
 756         ERR("Unknown offset %d\n", offset );
 757         return 0;
 758     }
 759 }
 760
 761 /***********************************************************************
 762  *           FreeLibrary32 (KERNEL.486)
 763  */
 764 BOOL WINAPI FreeLibrary32_16( HINSTANCE module )
 765 {
 766     return FreeLibrary( module );
 767 }
 768
 769 /***********************************************************************
 770  *              GetModuleFileName32     (KERNEL.487)
 771  */
 772 DWORD WINAPI GetModuleFileName32_16( HMODULE module, LPSTR buffer, DWORD size )
 773 {
 774     return GetModuleFileNameA( module, buffer, size );
 775 }
 776
 777 /***********************************************************************
 778  *              GetModuleHandle32        (KERNEL.488)
 779  */
 780 HMODULE WINAPI GetModuleHandle32_16(LPCSTR module)
 781 {
 782     return GetModuleHandleA( module );
 783 }
 784
 785 /***********************************************************************
 786  *              RegisterServiceProcess (KERNEL.491)
 787  */
 788 DWORD WINAPI RegisterServiceProcess16( DWORD dwProcessId, DWORD dwType )
 789 {
 790     return 1; /* success */
 791 }
 792
 793 /***********************************************************************
 794  *           WaitForMultipleObjectsEx   (KERNEL.495)
 795  */
 796 DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
 797                                          BOOL wait_all, DWORD timeout, BOOL alertable )
 798 {
 799     DWORD retval, mutex_count;
 800
 801     ReleaseThunkLock( &mutex_count );
 802     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
 803     RestoreThunkLock( mutex_count );
 804     return retval;
 805 }
 806
 807 /**********************************************************************
 808  * VWin32_BoostThreadGroup   (KERNEL.535)
 809  */
 810 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
 811 {
 812     FIXME("(0x%08x,%d): stub\n", threadId, boost);
 813 }
 814
 815
 816 /**********************************************************************
 817  * VWin32_BoostThreadStatic   (KERNEL.536)
 818  */
 819 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
 820 {
 821     FIXME("(0x%08x,%d): stub\n", threadId, boost);
 822 }
 823
 824 /***********************************************************************
 825  *              EnableDos (KERNEL.41)
 826  *              DisableDos (KERNEL.42)
 827  *              GetLastDiskChange (KERNEL.98)
 828  *              ValidateCodeSegments (KERNEL.100)
 829  *              KbdRst (KERNEL.123)
 830  *              EnableKernel (KERNEL.124)
 831  *              DisableKernel (KERNEL.125)
 832  *              ValidateFreeSpaces (KERNEL.200)
 833  *              K237 (KERNEL.237)
 834  *              BUNNY_351 (KERNEL.351)
 835  *              PIGLET_361 (KERNEL.361)
 836  *
 837  * Entry point for kernel functions that do nothing.
 838  */
 839 LONG WINAPI KERNEL_nop(void)
 840 {
 841     return 0;
 842 }
 843
 844 /***********************************************************************
 845  *           ToolHelpHook                             (KERNEL.341)
 846  *      see "Undocumented Windows"
 847  */
 848 FARPROC16 WINAPI ToolHelpHook16(FARPROC16 func)
 849 {
 850     static FARPROC16 hook;
 851
 852     FIXME("(%p), stub.\n", func);
 853     return InterlockedExchangePointer( (void **)&hook, func );
 854 }
 855
 856 /* thunk for 16-bit CreateThread */
 857 struct thread_args
 858 {
 859     FARPROC16 proc;
 860     DWORD     param;
 861 };
 862
 863 static DWORD CALLBACK start_thread16( LPVOID threadArgs )
 864 {
 865     struct thread_args args = *(struct thread_args *)threadArgs;
 866     HeapFree( GetProcessHeap(), 0, threadArgs );
 867     return K32WOWCallback16( (DWORD)args.proc, args.param );
 868 }
 869
 870 /***********************************************************************
 871  *           CreateThread16   (KERNEL.441)
 872  */
 873 HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
 874                               FARPROC16 start, SEGPTR param,
 875                               DWORD flags, LPDWORD id )
 876 {
 877     struct thread_args *args = HeapAlloc( GetProcessHeap(), 0, sizeof(*args) );
 878     if (!args) return INVALID_HANDLE_VALUE;
 879     args->proc = start;
 880     args->param = param;
 881     return CreateThread( sa, stack, start_thread16, args, flags, id );
 882 }
 883
 884 /***********************************************************************
 885  *           _DebugOutput                    (KERNEL.328)
 886  */
 887 void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
 888 {
 889     char caller[101];
 890
 891     /* Decode caller address */
 892     if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
 893         sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );
 894
 895     /* FIXME: cannot use wvsnprintf16 from kernel */
 896     /* wvsnprintf16( temp, sizeof(temp), spec, valist ); */
 897
 898     /* Output */
 899     FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
 900 }