git.oblomov.eu Git - wine/blob - dlls/ntoskrnl.exe/ntoskrnl.c

   1 /*
   2  * ntoskrnl.exe implementation
   3  *
   4  * Copyright (C) 2007 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 "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25
  26 #define NONAMELESSUNION
  27 #define NONAMELESSSTRUCT
  28
  29 #include "ntstatus.h"
  30 #define WIN32_NO_STATUS
  31 #include "windef.h"
  32 #include "winternl.h"
  33 #include "excpt.h"
  34 #include "ddk/ntddk.h"
  35 #include "wine/unicode.h"
  36 #include "wine/server.h"
  37 #include "wine/list.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
  41 WINE_DECLARE_DEBUG_CHANNEL(relay);
  42
  43
  44 KSYSTEM_TIME KeTickCount = { 0, 0, 0 };
  45
  46 typedef struct _KSERVICE_TABLE_DESCRIPTOR
  47 {
  48     PULONG_PTR Base;
  49     PULONG Count;
  50     ULONG Limit;
  51     PUCHAR Number;
  52 } KSERVICE_TABLE_DESCRIPTOR, *PKSERVICE_TABLE_DESCRIPTOR;
  53
  54 KSERVICE_TABLE_DESCRIPTOR KeServiceDescriptorTable[4] = { { 0 } };
  55
  56 typedef void (WINAPI *PCREATE_PROCESS_NOTIFY_ROUTINE)(HANDLE,HANDLE,BOOLEAN);
  57 typedef void (WINAPI *PCREATE_THREAD_NOTIFY_ROUTINE)(HANDLE,HANDLE,BOOLEAN);
  58
  59 static struct list Irps = LIST_INIT(Irps);
  60
  61 struct IrpInstance
  62 {
  63     struct list entry;
  64     IRP *irp;
  65 };
  66
  67 #ifdef __i386__
  68 #define DEFINE_FASTCALL1_ENTRYPOINT( name ) \
  69     __ASM_STDCALL_FUNC( name, 4, \
  70                        "popl %eax\n\t" \
  71                        "pushl %ecx\n\t" \
  72                        "pushl %eax\n\t" \
  73                        "jmp " __ASM_NAME("__regs_") #name __ASM_STDCALL(4))
  74 #define DEFINE_FASTCALL2_ENTRYPOINT( name ) \
  75     __ASM_STDCALL_FUNC( name, 8, \
  76                        "popl %eax\n\t" \
  77                        "pushl %edx\n\t" \
  78                        "pushl %ecx\n\t" \
  79                        "pushl %eax\n\t" \
  80                        "jmp " __ASM_NAME("__regs_") #name __ASM_STDCALL(8))
  81 #define DEFINE_FASTCALL3_ENTRYPOINT( name ) \
  82     __ASM_STDCALL_FUNC( name, 12, \
  83                        "popl %eax\n\t" \
  84                        "pushl %edx\n\t" \
  85                        "pushl %ecx\n\t" \
  86                        "pushl %eax\n\t" \
  87                        "jmp " __ASM_NAME("__regs_") #name __ASM_STDCALL(12))
  88 #endif
  89
  90 static inline LPCSTR debugstr_us( const UNICODE_STRING *us )
  91 {
  92     if (!us) return "<null>";
  93     return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
  94 }
  95
  96 static HANDLE get_device_manager(void)
  97 {
  98     static HANDLE device_manager;
  99     HANDLE handle = 0, ret = device_manager;
 100
 101     if (!ret)
 102     {
 103         SERVER_START_REQ( create_device_manager )
 104         {
 105             req->access     = SYNCHRONIZE;
 106             req->attributes = 0;
 107             if (!wine_server_call( req )) handle = wine_server_ptr_handle( reply->handle );
 108         }
 109         SERVER_END_REQ;
 110
 111         if (!handle)
 112         {
 113             ERR( "failed to create the device manager\n" );
 114             return 0;
 115         }
 116         if (!(ret = InterlockedCompareExchangePointer( &device_manager, handle, 0 )))
 117             ret = handle;
 118         else
 119             NtClose( handle );  /* somebody beat us to it */
 120     }
 121     return ret;
 122 }
 123
 124 /* exception handler for emulation of privileged instructions */
 125 static LONG CALLBACK vectored_handler( EXCEPTION_POINTERS *ptrs )
 126 {
 127     EXCEPTION_RECORD *record = ptrs->ExceptionRecord;
 128
 129     if (record->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
 130         record->ExceptionCode == EXCEPTION_PRIV_INSTRUCTION)
 131     {
 132 #ifdef __i386__
 133         CONTEXT *context = ptrs->ContextRecord;
 134         extern DWORD __wine_emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT *context );
 135
 136         if (__wine_emulate_instruction( record, context ) == ExceptionContinueExecution)
 137             return EXCEPTION_CONTINUE_EXECUTION;
 138 #else
 139         FIXME( "Privileged instruction emulation not implemented on this CPU\n" );
 140 #endif
 141     }
 142     return EXCEPTION_CONTINUE_SEARCH;
 143 }
 144
 145 /* process an ioctl request for a given device */
 146 static NTSTATUS process_ioctl( DEVICE_OBJECT *device, ULONG code, void *in_buff, ULONG in_size,
 147                                void *out_buff, ULONG *out_size )
 148 {
 149     IRP irp;
 150     MDL mdl;
 151     IO_STACK_LOCATION irpsp;
 152     PDRIVER_DISPATCH dispatch = device->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL];
 153     NTSTATUS status;
 154     LARGE_INTEGER count;
 155
 156     TRACE( "ioctl %x device %p in_size %u out_size %u\n", code, device, in_size, *out_size );
 157
 158     /* so we can spot things that we should initialize */
 159     memset( &irp, 0x55, sizeof(irp) );
 160     memset( &irpsp, 0x66, sizeof(irpsp) );
 161     memset( &mdl, 0x77, sizeof(mdl) );
 162
 163     irp.RequestorMode = UserMode;
 164     irp.AssociatedIrp.SystemBuffer = in_buff;
 165     irp.UserBuffer = out_buff;
 166     irp.MdlAddress = &mdl;
 167     irp.Tail.Overlay.s.u.CurrentStackLocation = &irpsp;
 168     irp.UserIosb = NULL;
 169
 170     irpsp.MajorFunction = IRP_MJ_DEVICE_CONTROL;
 171     irpsp.Parameters.DeviceIoControl.OutputBufferLength = *out_size;
 172     irpsp.Parameters.DeviceIoControl.InputBufferLength = in_size;
 173     irpsp.Parameters.DeviceIoControl.IoControlCode = code;
 174     irpsp.Parameters.DeviceIoControl.Type3InputBuffer = in_buff;
 175     irpsp.DeviceObject = device;
 176     irpsp.CompletionRoutine = NULL;
 177
 178     mdl.Next = NULL;
 179     mdl.Size = 0;
 180     mdl.StartVa = out_buff;
 181     mdl.ByteCount = *out_size;
 182     mdl.ByteOffset = 0;
 183
 184     device->CurrentIrp = &irp;
 185
 186     KeQueryTickCount( &count );  /* update the global KeTickCount */
 187
 188     if (TRACE_ON(relay))
 189         DPRINTF( "%04x:Call driver dispatch %p (device=%p,irp=%p)\n",
 190                  GetCurrentThreadId(), dispatch, device, &irp );
 191
 192     status = dispatch( device, &irp );
 193
 194     if (TRACE_ON(relay))
 195         DPRINTF( "%04x:Ret  driver dispatch %p (device=%p,irp=%p) retval=%08x\n",
 196                  GetCurrentThreadId(), dispatch, device, &irp, status );
 197
 198     *out_size = (irp.IoStatus.u.Status >= 0) ? irp.IoStatus.Information : 0;
 199     return irp.IoStatus.u.Status;
 200 }
 201
 202
 203 /***********************************************************************
 204  *           wine_ntoskrnl_main_loop   (Not a Windows API)
 205  */
 206 NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event )
 207 {
 208     HANDLE manager = get_device_manager();
 209     obj_handle_t ioctl = 0;
 210     NTSTATUS status = STATUS_SUCCESS;
 211     ULONG code = 0;
 212     void *in_buff, *out_buff = NULL;
 213     DEVICE_OBJECT *device = NULL;
 214     ULONG in_size = 4096, out_size = 0;
 215     HANDLE handles[2];
 216
 217     if (!(in_buff = HeapAlloc( GetProcessHeap(), 0, in_size )))
 218     {
 219         ERR( "failed to allocate buffer\n" );
 220         return STATUS_NO_MEMORY;
 221     }
 222
 223     handles[0] = stop_event;
 224     handles[1] = manager;
 225
 226     for (;;)
 227     {
 228         SERVER_START_REQ( get_next_device_request )
 229         {
 230             req->manager = wine_server_obj_handle( manager );
 231             req->prev = ioctl;
 232             req->status = status;
 233             wine_server_add_data( req, out_buff, out_size );
 234             wine_server_set_reply( req, in_buff, in_size );
 235             if (!(status = wine_server_call( req )))
 236             {
 237                 code     = reply->code;
 238                 ioctl    = reply->next;
 239                 device   = wine_server_get_ptr( reply->user_ptr );
 240                 in_size  = reply->in_size;
 241                 out_size = reply->out_size;
 242             }
 243             else
 244             {
 245                 ioctl = 0; /* no previous ioctl */
 246                 out_size = 0;
 247                 in_size = reply->in_size;
 248             }
 249         }
 250         SERVER_END_REQ;
 251
 252         switch(status)
 253         {
 254         case STATUS_SUCCESS:
 255             HeapFree( GetProcessHeap(), 0, out_buff );
 256             if (out_size) out_buff = HeapAlloc( GetProcessHeap(), 0, out_size );
 257             else out_buff = NULL;
 258             status = process_ioctl( device, code, in_buff, in_size, out_buff, &out_size );
 259             break;
 260         case STATUS_BUFFER_OVERFLOW:
 261             HeapFree( GetProcessHeap(), 0, in_buff );
 262             in_buff = HeapAlloc( GetProcessHeap(), 0, in_size );
 263             /* restart with larger buffer */
 264             break;
 265         case STATUS_PENDING:
 266             if (WaitForMultipleObjects( 2, handles, FALSE, INFINITE ) == WAIT_OBJECT_0)
 267             {
 268                 HeapFree( GetProcessHeap(), 0, in_buff );
 269                 HeapFree( GetProcessHeap(), 0, out_buff );
 270                 return STATUS_SUCCESS;
 271             }
 272             break;
 273         }
 274     }
 275 }
 276
 277
 278 /***********************************************************************
 279  *           IoAllocateDriverObjectExtension  (NTOSKRNL.EXE.@)
 280  */
 281 NTSTATUS WINAPI IoAllocateDriverObjectExtension( PDRIVER_OBJECT DriverObject,
 282                                                  PVOID ClientIdentificationAddress,
 283                                                  ULONG DriverObjectExtensionSize,
 284                                                  PVOID *DriverObjectExtension )
 285 {
 286     FIXME( "stub: %p, %p, %u, %p\n", DriverObject, ClientIdentificationAddress,
 287             DriverObjectExtensionSize, DriverObjectExtension );
 288     return STATUS_NOT_IMPLEMENTED;
 289 }
 290
 291
 292 /***********************************************************************
 293  *           IoGetDriverObjectExtension  (NTOSKRNL.EXE.@)
 294  */
 295 PVOID WINAPI IoGetDriverObjectExtension( PDRIVER_OBJECT DriverObject,
 296                                          PVOID ClientIdentificationAddress )
 297 {
 298     FIXME( "stub: %p, %p\n", DriverObject, ClientIdentificationAddress );
 299     return NULL;
 300 }
 301
 302
 303 /***********************************************************************
 304  *           IoInitializeIrp  (NTOSKRNL.EXE.@)
 305  */
 306 void WINAPI IoInitializeIrp( IRP *irp, USHORT size, CCHAR stack_size )
 307 {
 308     TRACE( "%p, %u, %d\n", irp, size, stack_size );
 309
 310     RtlZeroMemory( irp, size );
 311
 312     irp->Type = IO_TYPE_IRP;
 313     irp->Size = size;
 314     InitializeListHead( &irp->ThreadListEntry );
 315     irp->StackCount = stack_size;
 316     irp->CurrentLocation = stack_size + 1;
 317     irp->Tail.Overlay.s.u.CurrentStackLocation =
 318             (PIO_STACK_LOCATION)(irp + 1) + stack_size;
 319 }
 320
 321
 322 /***********************************************************************
 323  *           IoInitializeTimer   (NTOSKRNL.EXE.@)
 324  */
 325 NTSTATUS WINAPI IoInitializeTimer(PDEVICE_OBJECT DeviceObject,
 326                                   PIO_TIMER_ROUTINE TimerRoutine,
 327                                   PVOID Context)
 328 {
 329     FIXME( "stub: %p, %p, %p\n", DeviceObject, TimerRoutine, Context );
 330     return STATUS_NOT_IMPLEMENTED;
 331 }
 332
 333
 334 /***********************************************************************
 335  *           IoStartTimer   (NTOSKRNL.EXE.@)
 336  */
 337 void WINAPI IoStartTimer(PDEVICE_OBJECT DeviceObject)
 338 {
 339     FIXME( "stub: %p\n", DeviceObject );
 340 }
 341
 342
 343 /***********************************************************************
 344  *           IoAllocateIrp  (NTOSKRNL.EXE.@)
 345  */
 346 PIRP WINAPI IoAllocateIrp( CCHAR stack_size, BOOLEAN charge_quota )
 347 {
 348     SIZE_T size;
 349     PIRP irp;
 350
 351     TRACE( "%d, %d\n", stack_size, charge_quota );
 352
 353     size = sizeof(IRP) + stack_size * sizeof(IO_STACK_LOCATION);
 354     irp = ExAllocatePool( NonPagedPool, size );
 355     if (irp == NULL)
 356         return NULL;
 357     IoInitializeIrp( irp, size, stack_size );
 358     irp->AllocationFlags = IRP_ALLOCATED_FIXED_SIZE;
 359     if (charge_quota)
 360         irp->AllocationFlags |= IRP_LOOKASIDE_ALLOCATION;
 361     return irp;
 362 }
 363
 364
 365 /***********************************************************************
 366  *           IoFreeIrp  (NTOSKRNL.EXE.@)
 367  */
 368 void WINAPI IoFreeIrp( IRP *irp )
 369 {
 370     TRACE( "%p\n", irp );
 371
 372     ExFreePool( irp );
 373 }
 374
 375
 376 /***********************************************************************
 377  *           IoAllocateMdl  (NTOSKRNL.EXE.@)
 378  */
 379 PMDL WINAPI IoAllocateMdl( PVOID VirtualAddress, ULONG Length, BOOLEAN SecondaryBuffer, BOOLEAN ChargeQuota, PIRP Irp )
 380 {
 381     FIXME( "stub: %p, %u, %i, %i, %p\n", VirtualAddress, Length, SecondaryBuffer, ChargeQuota, Irp );
 382     return NULL;
 383 }
 384
 385
 386 /***********************************************************************
 387  *           IoAllocateWorkItem  (NTOSKRNL.EXE.@)
 388  */
 389 PIO_WORKITEM WINAPI IoAllocateWorkItem( PDEVICE_OBJECT DeviceObject )
 390 {
 391     FIXME( "stub: %p\n", DeviceObject );
 392     return NULL;
 393 }
 394
 395
 396 /***********************************************************************
 397  *           IoAttachDeviceToDeviceStack  (NTOSKRNL.EXE.@)
 398  */
 399 PDEVICE_OBJECT WINAPI IoAttachDeviceToDeviceStack( DEVICE_OBJECT *source,
 400                                                    DEVICE_OBJECT *target )
 401 {
 402     TRACE( "%p, %p\n", source, target );
 403     target->AttachedDevice = source;
 404     source->StackSize = target->StackSize + 1;
 405     return target;
 406 }
 407
 408
 409 /***********************************************************************
 410  *           IoBuildDeviceIoControlRequest  (NTOSKRNL.EXE.@)
 411  */
 412 PIRP WINAPI IoBuildDeviceIoControlRequest( ULONG IoControlCode,
 413                                            PDEVICE_OBJECT DeviceObject,
 414                                            PVOID InputBuffer,
 415                                            ULONG InputBufferLength,
 416                                            PVOID OutputBuffer,
 417                                            ULONG OutputBufferLength,
 418                                            BOOLEAN InternalDeviceIoControl,
 419                                            PKEVENT Event,
 420                                            PIO_STATUS_BLOCK IoStatusBlock )
 421 {
 422     PIRP irp;
 423     PIO_STACK_LOCATION irpsp;
 424     struct IrpInstance *instance;
 425
 426     TRACE( "%x, %p, %p, %u, %p, %u, %u, %p, %p\n",
 427            IoControlCode, DeviceObject, InputBuffer, InputBufferLength,
 428            OutputBuffer, OutputBufferLength, InternalDeviceIoControl,
 429            Event, IoStatusBlock );
 430
 431     if (DeviceObject == NULL)
 432         return NULL;
 433
 434     irp = IoAllocateIrp( DeviceObject->StackSize, FALSE );
 435     if (irp == NULL)
 436         return NULL;
 437
 438     instance = HeapAlloc( GetProcessHeap(), 0, sizeof(struct IrpInstance) );
 439     if (instance == NULL)
 440     {
 441         IoFreeIrp( irp );
 442         return NULL;
 443     }
 444     instance->irp = irp;
 445     list_add_tail( &Irps, &instance->entry );
 446
 447     irpsp = irp->Tail.Overlay.s.u.CurrentStackLocation - 1;
 448     irpsp->MajorFunction = InternalDeviceIoControl ?
 449             IRP_MJ_INTERNAL_DEVICE_CONTROL : IRP_MJ_DEVICE_CONTROL;
 450     irpsp->Parameters.DeviceIoControl.IoControlCode = IoControlCode;
 451     irp->UserIosb = IoStatusBlock;
 452     irp->UserEvent = Event;
 453
 454     return irp;
 455 }
 456
 457
 458 /***********************************************************************
 459  *           IoCreateDriver   (NTOSKRNL.EXE.@)
 460  */
 461 NTSTATUS WINAPI IoCreateDriver( UNICODE_STRING *name, PDRIVER_INITIALIZE init )
 462 {
 463     DRIVER_OBJECT *driver;
 464     DRIVER_EXTENSION *extension;
 465     NTSTATUS status;
 466
 467     if (!(driver = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY,
 468                                     sizeof(*driver) + sizeof(*extension) )))
 469         return STATUS_NO_MEMORY;
 470
 471     if ((status = RtlDuplicateUnicodeString( 1, name, &driver->DriverName )))
 472     {
 473         RtlFreeHeap( GetProcessHeap(), 0, driver );
 474         return status;
 475     }
 476
 477     extension = (DRIVER_EXTENSION *)(driver + 1);
 478     driver->Size            = sizeof(*driver);
 479     driver->DriverInit      = init;
 480     driver->DriverExtension = extension;
 481     extension->DriverObject   = driver;
 482     extension->ServiceKeyName = driver->DriverName;
 483
 484     status = driver->DriverInit( driver, name );
 485
 486     if (status)
 487     {
 488         RtlFreeUnicodeString( &driver->DriverName );
 489         RtlFreeHeap( GetProcessHeap(), 0, driver );
 490     }
 491     return status;
 492 }
 493
 494
 495 /***********************************************************************
 496  *           IoDeleteDriver   (NTOSKRNL.EXE.@)
 497  */
 498 void WINAPI IoDeleteDriver( DRIVER_OBJECT *driver )
 499 {
 500     RtlFreeUnicodeString( &driver->DriverName );
 501     RtlFreeHeap( GetProcessHeap(), 0, driver );
 502 }
 503
 504
 505 /***********************************************************************
 506  *           IoCreateDevice   (NTOSKRNL.EXE.@)
 507  */
 508 NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
 509                                 UNICODE_STRING *name, DEVICE_TYPE type,
 510                                 ULONG characteristics, BOOLEAN exclusive,
 511                                 DEVICE_OBJECT **ret_device )
 512 {
 513     NTSTATUS status;
 514     DEVICE_OBJECT *device;
 515     HANDLE handle = 0;
 516     HANDLE manager = get_device_manager();
 517
 518     TRACE( "(%p, %u, %s, %u, %x, %u, %p)\n",
 519            driver, ext_size, debugstr_us(name), type, characteristics, exclusive, ret_device );
 520
 521     if (!(device = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*device) + ext_size )))
 522         return STATUS_NO_MEMORY;
 523
 524     SERVER_START_REQ( create_device )
 525     {
 526         req->access     = 0;
 527         req->attributes = 0;
 528         req->rootdir    = 0;
 529         req->manager    = wine_server_obj_handle( manager );
 530         req->user_ptr   = wine_server_client_ptr( device );
 531         if (name) wine_server_add_data( req, name->Buffer, name->Length );
 532         if (!(status = wine_server_call( req ))) handle = wine_server_ptr_handle( reply->handle );
 533     }
 534     SERVER_END_REQ;
 535
 536     if (status == STATUS_SUCCESS)
 537     {
 538         device->DriverObject    = driver;
 539         device->DeviceExtension = device + 1;
 540         device->DeviceType      = type;
 541         device->StackSize       = 1;
 542         device->Reserved        = handle;
 543
 544         device->NextDevice   = driver->DeviceObject;
 545         driver->DeviceObject = device;
 546
 547         *ret_device = device;
 548     }
 549     else HeapFree( GetProcessHeap(), 0, device );
 550
 551     return status;
 552 }
 553
 554
 555 /***********************************************************************
 556  *           IoDeleteDevice   (NTOSKRNL.EXE.@)
 557  */
 558 void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
 559 {
 560     NTSTATUS status;
 561
 562     TRACE( "%p\n", device );
 563
 564     SERVER_START_REQ( delete_device )
 565     {
 566         req->handle = wine_server_obj_handle( device->Reserved );
 567         status = wine_server_call( req );
 568     }
 569     SERVER_END_REQ;
 570
 571     if (status == STATUS_SUCCESS)
 572     {
 573         DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
 574         while (*prev && *prev != device) prev = &(*prev)->NextDevice;
 575         if (*prev) *prev = (*prev)->NextDevice;
 576         NtClose( device->Reserved );
 577         HeapFree( GetProcessHeap(), 0, device );
 578     }
 579 }
 580
 581
 582 /***********************************************************************
 583  *           IoCreateSymbolicLink   (NTOSKRNL.EXE.@)
 584  */
 585 NTSTATUS WINAPI IoCreateSymbolicLink( UNICODE_STRING *name, UNICODE_STRING *target )
 586 {
 587     HANDLE handle;
 588     OBJECT_ATTRIBUTES attr;
 589
 590     attr.Length                   = sizeof(attr);
 591     attr.RootDirectory            = 0;
 592     attr.ObjectName               = name;
 593     attr.Attributes               = OBJ_CASE_INSENSITIVE | OBJ_OPENIF;
 594     attr.SecurityDescriptor       = NULL;
 595     attr.SecurityQualityOfService = NULL;
 596
 597     TRACE( "%s -> %s\n", debugstr_us(name), debugstr_us(target) );
 598     /* FIXME: store handle somewhere */
 599     return NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, target );
 600 }
 601
 602
 603 /***********************************************************************
 604  *           IoDeleteSymbolicLink   (NTOSKRNL.EXE.@)
 605  */
 606 NTSTATUS WINAPI IoDeleteSymbolicLink( UNICODE_STRING *name )
 607 {
 608     HANDLE handle;
 609     OBJECT_ATTRIBUTES attr;
 610     NTSTATUS status;
 611
 612     attr.Length                   = sizeof(attr);
 613     attr.RootDirectory            = 0;
 614     attr.ObjectName               = name;
 615     attr.Attributes               = OBJ_CASE_INSENSITIVE;
 616     attr.SecurityDescriptor       = NULL;
 617     attr.SecurityQualityOfService = NULL;
 618
 619     if (!(status = NtOpenSymbolicLinkObject( &handle, 0, &attr )))
 620     {
 621         SERVER_START_REQ( unlink_object )
 622         {
 623             req->handle = wine_server_obj_handle( handle );
 624             status = wine_server_call( req );
 625         }
 626         SERVER_END_REQ;
 627         NtClose( handle );
 628     }
 629     return status;
 630 }
 631
 632
 633 /***********************************************************************
 634  *           IoGetDeviceObjectPointer   (NTOSKRNL.EXE.@)
 635  */
 636 NTSTATUS  WINAPI IoGetDeviceObjectPointer( UNICODE_STRING *name, ACCESS_MASK access, PFILE_OBJECT *file, PDEVICE_OBJECT *device )
 637 {
 638     FIXME( "stub: %s %x %p %p\n", debugstr_us(name), access, file, device );
 639     return STATUS_NOT_IMPLEMENTED;
 640 }
 641
 642
 643 /***********************************************************************
 644  *           IofCallDriver   (NTOSKRNL.EXE.@)
 645  */
 646 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 647 DEFINE_FASTCALL2_ENTRYPOINT( IofCallDriver )
 648 NTSTATUS WINAPI __regs_IofCallDriver( DEVICE_OBJECT *device, IRP *irp )
 649 #else
 650 NTSTATUS WINAPI IofCallDriver( DEVICE_OBJECT *device, IRP *irp )
 651 #endif
 652 {
 653     PDRIVER_DISPATCH dispatch;
 654     IO_STACK_LOCATION *irpsp;
 655     NTSTATUS status;
 656
 657     TRACE( "%p %p\n", device, irp );
 658
 659     --irp->CurrentLocation;
 660     irpsp = --irp->Tail.Overlay.s.u.CurrentStackLocation;
 661     dispatch = device->DriverObject->MajorFunction[irpsp->MajorFunction];
 662     status = dispatch( device, irp );
 663
 664     return status;
 665 }
 666
 667
 668 /***********************************************************************
 669  *           IoGetRelatedDeviceObject    (NTOSKRNL.EXE.@)
 670  */
 671 PDEVICE_OBJECT WINAPI IoGetRelatedDeviceObject( PFILE_OBJECT obj )
 672 {
 673     FIXME( "stub: %p\n", obj );
 674     return NULL;
 675 }
 676
 677 static CONFIGURATION_INFORMATION configuration_information;
 678
 679 /***********************************************************************
 680  *           IoGetConfigurationInformation    (NTOSKRNL.EXE.@)
 681  */
 682 PCONFIGURATION_INFORMATION WINAPI IoGetConfigurationInformation(void)
 683 {
 684     FIXME( "partial stub\n" );
 685     /* FIXME: return actual devices on system */
 686     return &configuration_information;
 687 }
 688
 689
 690 /***********************************************************************
 691  *           IoRegisterDriverReinitialization    (NTOSKRNL.EXE.@)
 692  */
 693 void WINAPI IoRegisterDriverReinitialization( PDRIVER_OBJECT obj, PDRIVER_REINITIALIZE reinit, PVOID context )
 694 {
 695     FIXME( "stub: %p %p %p\n", obj, reinit, context );
 696 }
 697
 698
 699 /***********************************************************************
 700  *           IoRegisterShutdownNotification    (NTOSKRNL.EXE.@)
 701  */
 702 NTSTATUS WINAPI IoRegisterShutdownNotification( PDEVICE_OBJECT obj )
 703 {
 704     FIXME( "stub: %p\n", obj );
 705     return STATUS_SUCCESS;
 706 }
 707
 708
 709 /***********************************************************************
 710  *           IofCompleteRequest   (NTOSKRNL.EXE.@)
 711  */
 712 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 713 DEFINE_FASTCALL2_ENTRYPOINT( IofCompleteRequest )
 714 void WINAPI __regs_IofCompleteRequest( IRP *irp, UCHAR priority_boost )
 715 #else
 716 void WINAPI IofCompleteRequest( IRP *irp, UCHAR priority_boost )
 717 #endif
 718 {
 719     IO_STACK_LOCATION *irpsp;
 720     PIO_COMPLETION_ROUTINE routine;
 721     IO_STATUS_BLOCK *iosb;
 722     struct IrpInstance *instance;
 723     NTSTATUS status, stat;
 724     int call_flag = 0;
 725
 726     TRACE( "%p %u\n", irp, priority_boost );
 727
 728     iosb = irp->UserIosb;
 729     status = irp->IoStatus.u.Status;
 730     while (irp->CurrentLocation <= irp->StackCount)
 731     {
 732         irpsp = irp->Tail.Overlay.s.u.CurrentStackLocation;
 733         routine = irpsp->CompletionRoutine;
 734         call_flag = 0;
 735         /* FIXME: add SL_INVOKE_ON_CANCEL support */
 736         if (routine)
 737         {
 738             if ((irpsp->Control & SL_INVOKE_ON_SUCCESS) && STATUS_SUCCESS == status)
 739                 call_flag = 1;
 740             if ((irpsp->Control & SL_INVOKE_ON_ERROR) && STATUS_SUCCESS != status)
 741                 call_flag = 1;
 742         }
 743         ++irp->CurrentLocation;
 744         ++irp->Tail.Overlay.s.u.CurrentStackLocation;
 745         if (call_flag)
 746         {
 747             TRACE( "calling %p( %p, %p, %p )\n", routine,
 748                     irpsp->DeviceObject, irp, irpsp->Context );
 749             stat = routine( irpsp->DeviceObject, irp, irpsp->Context );
 750             TRACE( "CompletionRoutine returned %x\n", stat );
 751             if (STATUS_MORE_PROCESSING_REQUIRED == stat)
 752                 return;
 753         }
 754     }
 755     if (iosb && STATUS_SUCCESS == status)
 756     {
 757         iosb->u.Status = irp->IoStatus.u.Status;
 758         iosb->Information = irp->IoStatus.Information;
 759     }
 760     LIST_FOR_EACH_ENTRY( instance, &Irps, struct IrpInstance, entry )
 761     {
 762         if (instance->irp == irp)
 763         {
 764             list_remove( &instance->entry );
 765             HeapFree( GetProcessHeap(), 0, instance );
 766             IoFreeIrp( irp );
 767             break;
 768         }
 769     }
 770 }
 771
 772
 773 /***********************************************************************
 774  *           InterlockedCompareExchange   (NTOSKRNL.EXE.@)
 775  */
 776 #ifdef DEFINE_FASTCALL3_ENTRYPOINT
 777 DEFINE_FASTCALL3_ENTRYPOINT( NTOSKRNL_InterlockedCompareExchange )
 778 LONG WINAPI __regs_NTOSKRNL_InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
 779 #else
 780 LONG WINAPI NTOSKRNL_InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
 781 #endif
 782 {
 783     return InterlockedCompareExchange( dest, xchg, compare );
 784 }
 785
 786
 787 /***********************************************************************
 788  *           InterlockedDecrement   (NTOSKRNL.EXE.@)
 789  */
 790 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
 791 DEFINE_FASTCALL1_ENTRYPOINT( NTOSKRNL_InterlockedDecrement )
 792 LONG WINAPI __regs_NTOSKRNL_InterlockedDecrement( LONG volatile *dest )
 793 #else
 794 LONG WINAPI NTOSKRNL_InterlockedDecrement( LONG volatile *dest )
 795 #endif
 796 {
 797     return InterlockedDecrement( dest );
 798 }
 799
 800
 801 /***********************************************************************
 802  *           InterlockedExchange   (NTOSKRNL.EXE.@)
 803  */
 804 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 805 DEFINE_FASTCALL2_ENTRYPOINT( NTOSKRNL_InterlockedExchange )
 806 LONG WINAPI __regs_NTOSKRNL_InterlockedExchange( LONG volatile *dest, LONG val )
 807 #else
 808 LONG WINAPI NTOSKRNL_InterlockedExchange( LONG volatile *dest, LONG val )
 809 #endif
 810 {
 811     return InterlockedExchange( dest, val );
 812 }
 813
 814
 815 /***********************************************************************
 816  *           InterlockedExchangeAdd   (NTOSKRNL.EXE.@)
 817  */
 818 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 819 DEFINE_FASTCALL2_ENTRYPOINT( NTOSKRNL_InterlockedExchangeAdd )
 820 LONG WINAPI __regs_NTOSKRNL_InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
 821 #else
 822 LONG WINAPI NTOSKRNL_InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
 823 #endif
 824 {
 825     return InterlockedExchangeAdd( dest, incr );
 826 }
 827
 828
 829 /***********************************************************************
 830  *           InterlockedIncrement   (NTOSKRNL.EXE.@)
 831  */
 832 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
 833 DEFINE_FASTCALL1_ENTRYPOINT( NTOSKRNL_InterlockedIncrement )
 834 LONG WINAPI __regs_NTOSKRNL_InterlockedIncrement( LONG volatile *dest )
 835 #else
 836 LONG WINAPI NTOSKRNL_InterlockedIncrement( LONG volatile *dest )
 837 #endif
 838 {
 839     return InterlockedIncrement( dest );
 840 }
 841
 842
 843 /***********************************************************************
 844  *           ExAllocatePool   (NTOSKRNL.EXE.@)
 845  */
 846 PVOID WINAPI ExAllocatePool( POOL_TYPE type, SIZE_T size )
 847 {
 848     return ExAllocatePoolWithTag( type, size, 0 );
 849 }
 850
 851
 852 /***********************************************************************
 853  *           ExAllocatePoolWithQuota   (NTOSKRNL.EXE.@)
 854  */
 855 PVOID WINAPI ExAllocatePoolWithQuota( POOL_TYPE type, SIZE_T size )
 856 {
 857     return ExAllocatePoolWithTag( type, size, 0 );
 858 }
 859
 860
 861 /***********************************************************************
 862  *           ExAllocatePoolWithTag   (NTOSKRNL.EXE.@)
 863  */
 864 PVOID WINAPI ExAllocatePoolWithTag( POOL_TYPE type, SIZE_T size, ULONG tag )
 865 {
 866     /* FIXME: handle page alignment constraints */
 867     void *ret = HeapAlloc( GetProcessHeap(), 0, size );
 868     TRACE( "%lu pool %u -> %p\n", size, type, ret );
 869     return ret;
 870 }
 871
 872
 873 /***********************************************************************
 874  *           ExAllocatePoolWithQuotaTag   (NTOSKRNL.EXE.@)
 875  */
 876 PVOID WINAPI ExAllocatePoolWithQuotaTag( POOL_TYPE type, SIZE_T size, ULONG tag )
 877 {
 878     return ExAllocatePoolWithTag( type, size, tag );
 879 }
 880
 881
 882 /***********************************************************************
 883  *           ExFreePool   (NTOSKRNL.EXE.@)
 884  */
 885 void WINAPI ExFreePool( void *ptr )
 886 {
 887     ExFreePoolWithTag( ptr, 0 );
 888 }
 889
 890
 891 /***********************************************************************
 892  *           ExFreePoolWithTag   (NTOSKRNL.EXE.@)
 893  */
 894 void WINAPI ExFreePoolWithTag( void *ptr, ULONG tag )
 895 {
 896     TRACE( "%p\n", ptr );
 897     HeapFree( GetProcessHeap(), 0, ptr );
 898 }
 899
 900
 901 /***********************************************************************
 902  *           ExInitializeResourceLite   (NTOSKRNL.EXE.@)
 903  */
 904 NTSTATUS WINAPI ExInitializeResourceLite(PERESOURCE Resource)
 905 {
 906     FIXME( "stub: %p\n", Resource );
 907     return STATUS_NOT_IMPLEMENTED;
 908 }
 909
 910
 911 /***********************************************************************
 912  *           KeInitializeEvent   (NTOSKRNL.EXE.@)
 913  */
 914 void WINAPI KeInitializeEvent( PRKEVENT Event, EVENT_TYPE Type, BOOLEAN State )
 915 {
 916     FIXME( "stub: %p %d %d\n", Event, Type, State );
 917 }
 918
 919
 920  /***********************************************************************
 921  *           KeInitializeMutex   (NTOSKRNL.EXE.@)
 922  */
 923 void WINAPI KeInitializeMutex(PRKMUTEX Mutex, ULONG Level)
 924 {
 925     FIXME( "stub: %p, %u\n", Mutex, Level );
 926 }
 927
 928
 929 /***********************************************************************
 930  *           KeInitializeSpinLock   (NTOSKRNL.EXE.@)
 931  */
 932 void WINAPI KeInitializeSpinLock( PKSPIN_LOCK SpinLock )
 933 {
 934     FIXME( "stub: %p\n", SpinLock );
 935 }
 936
 937
 938 /***********************************************************************
 939  *           KeInitializeTimerEx   (NTOSKRNL.EXE.@)
 940  */
 941 void WINAPI KeInitializeTimerEx( PKTIMER Timer, TIMER_TYPE Type )
 942 {
 943     FIXME( "stub: %p %d\n", Timer, Type );
 944 }
 945
 946
 947 /***********************************************************************
 948  *           KeInitializeTimer   (NTOSKRNL.EXE.@)
 949  */
 950 void WINAPI KeInitializeTimer( PKTIMER Timer )
 951 {
 952     KeInitializeTimerEx(Timer, NotificationTimer);
 953 }
 954
 955
 956 /**********************************************************************
 957  *           KeQueryActiveProcessors   (NTOSKRNL.EXE.@)
 958  *
 959  * Return the active Processors as bitmask
 960  *
 961  * RETURNS
 962  *   active Processors as bitmask
 963  *
 964  */
 965 KAFFINITY WINAPI KeQueryActiveProcessors( void )
 966 {
 967     DWORD_PTR AffinityMask;
 968
 969     GetProcessAffinityMask( GetCurrentProcess(), &AffinityMask, NULL);
 970     return AffinityMask;
 971 }
 972
 973
 974 /**********************************************************************
 975  *           KeQueryInterruptTime   (NTOSKRNL.EXE.@)
 976  *
 977  * Return the interrupt time count
 978  *
 979  */
 980 ULONGLONG WINAPI KeQueryInterruptTime( void )
 981 {
 982     LARGE_INTEGER totaltime;
 983
 984     KeQueryTickCount(&totaltime);
 985     return totaltime.QuadPart;
 986 }
 987
 988
 989 /***********************************************************************
 990  *           KeQuerySystemTime   (NTOSKRNL.EXE.@)
 991  */
 992 void WINAPI KeQuerySystemTime( LARGE_INTEGER *time )
 993 {
 994     NtQuerySystemTime( time );
 995 }
 996
 997
 998 /***********************************************************************
 999  *           KeQueryTickCount   (NTOSKRNL.EXE.@)
1000  */
1001 void WINAPI KeQueryTickCount( LARGE_INTEGER *count )
1002 {
1003     count->QuadPart = NtGetTickCount();
1004     /* update the global variable too */
1005     KeTickCount.LowPart   = count->u.LowPart;
1006     KeTickCount.High1Time = count->u.HighPart;
1007     KeTickCount.High2Time = count->u.HighPart;
1008 }
1009
1010
1011 /***********************************************************************
1012  *           KeQueryTimeIncrement   (NTOSKRNL.EXE.@)
1013  */
1014 ULONG WINAPI KeQueryTimeIncrement(void)
1015 {
1016     return 10000;
1017 }
1018
1019
1020 /***********************************************************************
1021  *           KeWaitForSingleObject   (NTOSKRNL.EXE.@)
1022  */
1023 NTSTATUS WINAPI KeWaitForSingleObject(PVOID Object,
1024                                       KWAIT_REASON WaitReason,
1025                                       KPROCESSOR_MODE WaitMode,
1026                                       BOOLEAN Alertable,
1027                                       PLARGE_INTEGER Timeout)
1028 {
1029     FIXME( "stub: %p, %d, %d, %d, %p\n", Object, WaitReason, WaitMode, Alertable, Timeout );
1030     return STATUS_NOT_IMPLEMENTED;
1031 }
1032
1033
1034 /***********************************************************************
1035  *           MmAllocateNonCachedMemory   (NTOSKRNL.EXE.@)
1036  */
1037 PVOID WINAPI MmAllocateNonCachedMemory( SIZE_T size )
1038 {
1039     TRACE( "%lu\n", size );
1040     return VirtualAlloc( NULL, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE|PAGE_NOCACHE );
1041 }
1042
1043
1044 /***********************************************************************
1045  *           MmFreeNonCachedMemory   (NTOSKRNL.EXE.@)
1046  */
1047 void WINAPI MmFreeNonCachedMemory( void *addr, SIZE_T size )
1048 {
1049     TRACE( "%p %lu\n", addr, size );
1050     VirtualFree( addr, 0, MEM_RELEASE );
1051 }
1052
1053 /***********************************************************************
1054  *           MmIsAddressValid   (NTOSKRNL.EXE.@)
1055  *
1056  * Check if the process can access the virtual address without a pagefault
1057  *
1058  * PARAMS
1059  *  VirtualAddress [I] Address to check
1060  *
1061  * RETURNS
1062  *  Failure: FALSE
1063  *  Success: TRUE  (Accessing the Address works without a Pagefault)
1064  *
1065  */
1066 BOOLEAN WINAPI MmIsAddressValid(PVOID VirtualAddress)
1067 {
1068     TRACE("(%p)\n", VirtualAddress);
1069     return !IsBadWritePtr(VirtualAddress, 1);
1070 }
1071
1072 /***********************************************************************
1073  *           MmPageEntireDriver   (NTOSKRNL.EXE.@)
1074  */
1075 PVOID WINAPI MmPageEntireDriver(PVOID AddrInSection)
1076 {
1077     TRACE("%p\n", AddrInSection);
1078     return AddrInSection;
1079 }
1080
1081 /***********************************************************************
1082  *           MmResetDriverPaging   (NTOSKRNL.EXE.@)
1083  */
1084 void WINAPI MmResetDriverPaging(PVOID AddrInSection)
1085 {
1086     TRACE("%p\n", AddrInSection);
1087 }
1088
1089
1090  /***********************************************************************
1091  *           ObReferenceObjectByHandle    (NTOSKRNL.EXE.@)
1092  */
1093 NTSTATUS WINAPI ObReferenceObjectByHandle( HANDLE obj, ACCESS_MASK access,
1094                                            POBJECT_TYPE type,
1095                                            KPROCESSOR_MODE mode, PVOID* ptr,
1096                                            POBJECT_HANDLE_INFORMATION info)
1097 {
1098     FIXME( "stub: %p %x %p %d %p %p\n", obj, access, type, mode, ptr, info);
1099     return STATUS_NOT_IMPLEMENTED;
1100 }
1101
1102
1103 /***********************************************************************
1104  *           ObfDereferenceObject   (NTOSKRNL.EXE.@)
1105  */
1106 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
1107 DEFINE_FASTCALL1_ENTRYPOINT( ObfDereferenceObject )
1108 void WINAPI __regs_ObfDereferenceObject( VOID *obj )
1109 #else
1110 void WINAPI ObfDereferenceObject( VOID *obj )
1111 #endif
1112 {
1113     FIXME( "stub: %p\n", obj );
1114 }
1115
1116
1117 /***********************************************************************
1118  *           PsCreateSystemThread   (NTOSKRNL.EXE.@)
1119  */
1120 NTSTATUS WINAPI PsCreateSystemThread(PHANDLE ThreadHandle, ULONG DesiredAccess,
1121                                      POBJECT_ATTRIBUTES ObjectAttributes,
1122                                      HANDLE ProcessHandle, PCLIENT_ID ClientId,
1123                                      PKSTART_ROUTINE StartRoutine, PVOID StartContext)
1124 {
1125     if (!ProcessHandle) ProcessHandle = GetCurrentProcess();
1126     return RtlCreateUserThread(ProcessHandle, 0, FALSE, 0, 0,
1127                                0, StartRoutine, StartContext,
1128                                ThreadHandle, ClientId);
1129 }
1130
1131 /***********************************************************************
1132  *           PsGetCurrentProcessId   (NTOSKRNL.EXE.@)
1133  */
1134 HANDLE WINAPI PsGetCurrentProcessId(void)
1135 {
1136     return UlongToHandle(GetCurrentProcessId());  /* FIXME: not quite right... */
1137 }
1138
1139
1140 /***********************************************************************
1141  *           PsGetCurrentThreadId   (NTOSKRNL.EXE.@)
1142  */
1143 HANDLE WINAPI PsGetCurrentThreadId(void)
1144 {
1145     return UlongToHandle(GetCurrentThreadId());  /* FIXME: not quite right... */
1146 }
1147
1148
1149 /***********************************************************************
1150  *           PsGetVersion   (NTOSKRNL.EXE.@)
1151  */
1152 BOOLEAN WINAPI PsGetVersion(ULONG *major, ULONG *minor, ULONG *build, UNICODE_STRING *version )
1153 {
1154     RTL_OSVERSIONINFOEXW info;
1155
1156     RtlGetVersion( &info );
1157     if (major) *major = info.dwMajorVersion;
1158     if (minor) *minor = info.dwMinorVersion;
1159     if (build) *build = info.dwBuildNumber;
1160
1161     if (version)
1162     {
1163 #if 0  /* FIXME: GameGuard passes an uninitialized pointer in version->Buffer */
1164         size_t len = min( strlenW(info.szCSDVersion)*sizeof(WCHAR), version->MaximumLength );
1165         memcpy( version->Buffer, info.szCSDVersion, len );
1166         if (len < version->MaximumLength) version->Buffer[len / sizeof(WCHAR)] = 0;
1167         version->Length = len;
1168 #endif
1169     }
1170     return TRUE;
1171 }
1172
1173
1174 /***********************************************************************
1175  *           PsSetCreateProcessNotifyRoutine   (NTOSKRNL.EXE.@)
1176  */
1177 NTSTATUS WINAPI PsSetCreateProcessNotifyRoutine( PCREATE_PROCESS_NOTIFY_ROUTINE callback, BOOLEAN remove )
1178 {
1179     FIXME( "stub: %p %d\n", callback, remove );
1180     return STATUS_SUCCESS;
1181 }
1182
1183
1184 /***********************************************************************
1185  *           PsSetCreateThreadNotifyRoutine   (NTOSKRNL.EXE.@)
1186  */
1187 NTSTATUS WINAPI PsSetCreateThreadNotifyRoutine( PCREATE_THREAD_NOTIFY_ROUTINE NotifyRoutine )
1188 {
1189     FIXME( "stub: %p\n", NotifyRoutine );
1190     return STATUS_SUCCESS;
1191 }
1192
1193
1194 /***********************************************************************
1195  *           MmGetSystemRoutineAddress   (NTOSKRNL.EXE.@)
1196  */
1197 PVOID WINAPI MmGetSystemRoutineAddress(PUNICODE_STRING SystemRoutineName)
1198 {
1199     HMODULE hMod;
1200     STRING routineNameA;
1201     PVOID pFunc = NULL;
1202
1203     static const WCHAR ntoskrnlW[] = {'n','t','o','s','k','r','n','l','.','e','x','e',0};
1204     static const WCHAR halW[] = {'h','a','l','.','d','l','l',0};
1205
1206     if (!SystemRoutineName) return NULL;
1207
1208     if (RtlUnicodeStringToAnsiString( &routineNameA, SystemRoutineName, TRUE ) == STATUS_SUCCESS)
1209     {
1210         /* We only support functions exported from ntoskrnl.exe or hal.dll */
1211         hMod = GetModuleHandleW( ntoskrnlW );
1212         pFunc = GetProcAddress( hMod, routineNameA.Buffer );
1213         if (!pFunc)
1214         {
1215            hMod = GetModuleHandleW( halW );
1216            if (hMod) pFunc = GetProcAddress( hMod, routineNameA.Buffer );
1217         }
1218         RtlFreeAnsiString( &routineNameA );
1219     }
1220
1221     TRACE( "%s -> %p\n", debugstr_us(SystemRoutineName), pFunc );
1222     return pFunc;
1223 }
1224
1225
1226 /***********************************************************************
1227  *           MmQuerySystemSize   (NTOSKRNL.EXE.@)
1228  */
1229 MM_SYSTEMSIZE WINAPI MmQuerySystemSize(void)
1230 {
1231     FIXME("stub\n");
1232     return MmLargeSystem;
1233 }
1234
1235
1236 /*****************************************************
1237  *           DllMain
1238  */
1239 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
1240 {
1241     static void *handler;
1242     LARGE_INTEGER count;
1243
1244     switch(reason)
1245     {
1246     case DLL_PROCESS_ATTACH:
1247         DisableThreadLibraryCalls( inst );
1248         handler = RtlAddVectoredExceptionHandler( TRUE, vectored_handler );
1249         KeQueryTickCount( &count );  /* initialize the global KeTickCount */
1250         break;
1251     case DLL_PROCESS_DETACH:
1252         RtlRemoveVectoredExceptionHandler( handler );
1253         break;
1254     }
1255     return TRUE;
1256 }