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