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
  58 static struct list Irps = LIST_INIT(Irps);
  59
  60 struct IrpInstance
  61 {
  62     struct list entry;
  63     IRP *irp;
  64 };
  65
  66 #ifdef __i386__
  67 #define DEFINE_FASTCALL1_ENTRYPOINT( name ) \
  68     __ASM_GLOBAL_FUNC( name, \
  69                        "popl %eax\n\t" \
  70                        "pushl %ecx\n\t" \
  71                        "pushl %eax\n\t" \
  72                        "jmp " __ASM_NAME("__regs_") #name )
  73 #define DEFINE_FASTCALL2_ENTRYPOINT( name ) \
  74     __ASM_GLOBAL_FUNC( name, \
  75                        "popl %eax\n\t" \
  76                        "pushl %edx\n\t" \
  77                        "pushl %ecx\n\t" \
  78                        "pushl %eax\n\t" \
  79                        "jmp " __ASM_NAME("__regs_") #name )
  80 #endif
  81
  82 static inline LPCSTR debugstr_us( const UNICODE_STRING *us )
  83 {
  84     if (!us) return "<null>";
  85     return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
  86 }
  87
  88 static HANDLE get_device_manager(void)
  89 {
  90     static HANDLE device_manager;
  91     HANDLE handle = 0, ret = device_manager;
  92
  93     if (!ret)
  94     {
  95         SERVER_START_REQ( create_device_manager )
  96         {
  97             req->access     = SYNCHRONIZE;
  98             req->attributes = 0;
  99             if (!wine_server_call( req )) handle = reply->handle;
 100         }
 101         SERVER_END_REQ;
 102
 103         if (!handle)
 104         {
 105             ERR( "failed to create the device manager\n" );
 106             return 0;
 107         }
 108         if (!(ret = InterlockedCompareExchangePointer( &device_manager, handle, 0 )))
 109             ret = handle;
 110         else
 111             NtClose( handle );  /* somebody beat us to it */
 112     }
 113     return ret;
 114 }
 115
 116 /* exception handler for emulation of privileged instructions */
 117 static LONG CALLBACK vectored_handler( EXCEPTION_POINTERS *ptrs )
 118 {
 119     extern DWORD __wine_emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT86 *context );
 120
 121     EXCEPTION_RECORD *record = ptrs->ExceptionRecord;
 122     CONTEXT86 *context = ptrs->ContextRecord;
 123
 124     if (record->ExceptionCode == EXCEPTION_ACCESS_VIOLATION ||
 125         record->ExceptionCode == EXCEPTION_PRIV_INSTRUCTION)
 126     {
 127         if (__wine_emulate_instruction( record, context ) == ExceptionContinueExecution)
 128             return EXCEPTION_CONTINUE_EXECUTION;
 129     }
 130     return EXCEPTION_CONTINUE_SEARCH;
 131 }
 132
 133 /* process an ioctl request for a given device */
 134 static NTSTATUS process_ioctl( DEVICE_OBJECT *device, ULONG code, void *in_buff, ULONG in_size,
 135                                void *out_buff, ULONG *out_size )
 136 {
 137     IRP irp;
 138     MDL mdl;
 139     IO_STACK_LOCATION irpsp;
 140     PDRIVER_DISPATCH dispatch = device->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL];
 141     NTSTATUS status;
 142     LARGE_INTEGER count;
 143
 144     TRACE( "ioctl %x device %p in_size %u out_size %u\n", code, device, in_size, *out_size );
 145
 146     /* so we can spot things that we should initialize */
 147     memset( &irp, 0x55, sizeof(irp) );
 148     memset( &irpsp, 0x66, sizeof(irpsp) );
 149     memset( &mdl, 0x77, sizeof(mdl) );
 150
 151     irp.RequestorMode = UserMode;
 152     irp.AssociatedIrp.SystemBuffer = in_buff;
 153     irp.UserBuffer = out_buff;
 154     irp.MdlAddress = &mdl;
 155     irp.Tail.Overlay.s.u.CurrentStackLocation = &irpsp;
 156     irp.UserIosb = NULL;
 157
 158     irpsp.MajorFunction = IRP_MJ_DEVICE_CONTROL;
 159     irpsp.Parameters.DeviceIoControl.OutputBufferLength = *out_size;
 160     irpsp.Parameters.DeviceIoControl.InputBufferLength = in_size;
 161     irpsp.Parameters.DeviceIoControl.IoControlCode = code;
 162     irpsp.Parameters.DeviceIoControl.Type3InputBuffer = in_buff;
 163     irpsp.DeviceObject = device;
 164     irpsp.CompletionRoutine = NULL;
 165
 166     mdl.Next = NULL;
 167     mdl.Size = 0;
 168     mdl.StartVa = out_buff;
 169     mdl.ByteCount = *out_size;
 170     mdl.ByteOffset = 0;
 171
 172     device->CurrentIrp = &irp;
 173
 174     KeQueryTickCount( &count );  /* update the global KeTickCount */
 175
 176     if (TRACE_ON(relay))
 177         DPRINTF( "%04x:Call driver dispatch %p (device=%p,irp=%p)\n",
 178                  GetCurrentThreadId(), dispatch, device, &irp );
 179
 180     status = dispatch( device, &irp );
 181
 182     if (TRACE_ON(relay))
 183         DPRINTF( "%04x:Ret  driver dispatch %p (device=%p,irp=%p) retval=%08x\n",
 184                  GetCurrentThreadId(), dispatch, device, &irp, status );
 185
 186     *out_size = (irp.IoStatus.u.Status >= 0) ? irp.IoStatus.Information : 0;
 187     return irp.IoStatus.u.Status;
 188 }
 189
 190
 191 /***********************************************************************
 192  *           wine_ntoskrnl_main_loop   (Not a Windows API)
 193  */
 194 NTSTATUS wine_ntoskrnl_main_loop( HANDLE stop_event )
 195 {
 196     HANDLE manager = get_device_manager();
 197     HANDLE ioctl = 0;
 198     NTSTATUS status = STATUS_SUCCESS;
 199     ULONG code = 0;
 200     void *in_buff, *out_buff = NULL;
 201     DEVICE_OBJECT *device = NULL;
 202     ULONG in_size = 4096, out_size = 0;
 203     HANDLE handles[2];
 204
 205     if (!(in_buff = HeapAlloc( GetProcessHeap(), 0, in_size )))
 206     {
 207         ERR( "failed to allocate buffer\n" );
 208         return STATUS_NO_MEMORY;
 209     }
 210
 211     handles[0] = stop_event;
 212     handles[1] = manager;
 213
 214     for (;;)
 215     {
 216         SERVER_START_REQ( get_next_device_request )
 217         {
 218             req->manager = manager;
 219             req->prev = ioctl;
 220             req->status = status;
 221             wine_server_add_data( req, out_buff, out_size );
 222             wine_server_set_reply( req, in_buff, in_size );
 223             if (!(status = wine_server_call( req )))
 224             {
 225                 code     = reply->code;
 226                 ioctl    = reply->next;
 227                 device   = reply->user_ptr;
 228                 in_size  = reply->in_size;
 229                 out_size = reply->out_size;
 230             }
 231             else
 232             {
 233                 ioctl = 0; /* no previous ioctl */
 234                 out_size = 0;
 235                 in_size = reply->in_size;
 236             }
 237         }
 238         SERVER_END_REQ;
 239
 240         switch(status)
 241         {
 242         case STATUS_SUCCESS:
 243             HeapFree( GetProcessHeap(), 0, out_buff );
 244             if (out_size) out_buff = HeapAlloc( GetProcessHeap(), 0, out_size );
 245             else out_buff = NULL;
 246             status = process_ioctl( device, code, in_buff, in_size, out_buff, &out_size );
 247             break;
 248         case STATUS_BUFFER_OVERFLOW:
 249             HeapFree( GetProcessHeap(), 0, in_buff );
 250             in_buff = HeapAlloc( GetProcessHeap(), 0, in_size );
 251             /* restart with larger buffer */
 252             break;
 253         case STATUS_PENDING:
 254             if (WaitForMultipleObjects( 2, handles, FALSE, INFINITE ) == WAIT_OBJECT_0)
 255                 return STATUS_SUCCESS;
 256             break;
 257         }
 258     }
 259 }
 260
 261
 262 /***********************************************************************
 263  *           IoInitializeIrp  (NTOSKRNL.EXE.@)
 264  */
 265 void WINAPI IoInitializeIrp( IRP *irp, USHORT size, CCHAR stack_size )
 266 {
 267     TRACE( "%p, %u, %d\n", irp, size, stack_size );
 268
 269     RtlZeroMemory( irp, size );
 270
 271     irp->Type = IO_TYPE_IRP;
 272     irp->Size = size;
 273     InitializeListHead( &irp->ThreadListEntry );
 274     irp->StackCount = stack_size;
 275     irp->CurrentLocation = stack_size + 1;
 276     irp->Tail.Overlay.s.u.CurrentStackLocation =
 277             (PIO_STACK_LOCATION)(irp + 1) + stack_size;
 278 }
 279
 280
 281 /***********************************************************************
 282  *           IoAllocateIrp  (NTOSKRNL.EXE.@)
 283  */
 284 PIRP WINAPI IoAllocateIrp( CCHAR stack_size, BOOLEAN charge_quota )
 285 {
 286     SIZE_T size;
 287     PIRP irp;
 288
 289     TRACE( "%d, %d\n", stack_size, charge_quota );
 290
 291     size = sizeof(IRP) + stack_size * sizeof(IO_STACK_LOCATION);
 292     irp = ExAllocatePool( NonPagedPool, size );
 293     if (irp != NULL)
 294         IoInitializeIrp( irp, size, stack_size );
 295     irp->AllocationFlags = IRP_ALLOCATED_FIXED_SIZE;
 296     if (charge_quota)
 297         irp->AllocationFlags |= IRP_LOOKASIDE_ALLOCATION;
 298
 299     return irp;
 300 }
 301
 302
 303 /***********************************************************************
 304  *           IoFreeIrp  (NTOSKRNL.EXE.@)
 305  */
 306 void WINAPI IoFreeIrp( IRP *irp )
 307 {
 308     TRACE( "%p\n", irp );
 309
 310     ExFreePool( irp );
 311 }
 312
 313
 314 /***********************************************************************
 315  *           IoAllocateMdl  (NTOSKRNL.EXE.@)
 316  */
 317 PMDL WINAPI IoAllocateMdl( PVOID VirtualAddress, ULONG Length, BOOLEAN SecondaryBuffer, BOOLEAN ChargeQuota, PIRP Irp )
 318 {
 319     FIXME( "stub: %p, %u, %i, %i, %p\n", VirtualAddress, Length, SecondaryBuffer, ChargeQuota, Irp );
 320     return NULL;
 321 }
 322
 323
 324 /***********************************************************************
 325  *           IoAllocateWorkItem  (NTOSKRNL.EXE.@)
 326  */
 327 PIO_WORKITEM WINAPI IoAllocateWorkItem( PDEVICE_OBJECT DeviceObject )
 328 {
 329     FIXME( "stub: %p\n", DeviceObject );
 330     return NULL;
 331 }
 332
 333
 334 /***********************************************************************
 335  *           IoAttachDeviceToDeviceStack  (NTOSKRNL.EXE.@)
 336  */
 337 PDEVICE_OBJECT WINAPI IoAttachDeviceToDeviceStack( DEVICE_OBJECT *source,
 338                                                    DEVICE_OBJECT *target )
 339 {
 340     TRACE( "%p, %p\n", source, target );
 341     target->AttachedDevice = source;
 342     source->StackSize = target->StackSize + 1;
 343     return target;
 344 }
 345
 346
 347 /***********************************************************************
 348  *           IoBuildDeviceIoControlRequest  (NTOSKRNL.EXE.@)
 349  */
 350 PIRP WINAPI IoBuildDeviceIoControlRequest( ULONG IoControlCode,
 351                                            PDEVICE_OBJECT DeviceObject,
 352                                            PVOID InputBuffer,
 353                                            ULONG InputBufferLength,
 354                                            PVOID OutputBuffer,
 355                                            ULONG OutputBufferLength,
 356                                            BOOLEAN InternalDeviceIoControl,
 357                                            PKEVENT Event,
 358                                            PIO_STATUS_BLOCK IoStatusBlock )
 359 {
 360     PIRP irp;
 361     PIO_STACK_LOCATION irpsp;
 362     struct IrpInstance *instance;
 363
 364     TRACE( "%x, %p, %p, %u, %p, %u, %u, %p, %p\n",
 365            IoControlCode, DeviceObject, InputBuffer, InputBufferLength,
 366            OutputBuffer, OutputBufferLength, InternalDeviceIoControl,
 367            Event, IoStatusBlock );
 368
 369     if (DeviceObject == NULL)
 370         return NULL;
 371
 372     irp = IoAllocateIrp( DeviceObject->StackSize, FALSE );
 373     if (irp == NULL)
 374         return NULL;
 375
 376     instance = HeapAlloc( GetProcessHeap(), 0, sizeof(struct IrpInstance) );
 377     if (instance == NULL)
 378     {
 379         IoFreeIrp( irp );
 380         return NULL;
 381     }
 382     instance->irp = irp;
 383     list_add_tail( &Irps, &instance->entry );
 384
 385     irpsp = irp->Tail.Overlay.s.u.CurrentStackLocation - 1;
 386     irpsp->MajorFunction = InternalDeviceIoControl ?
 387             IRP_MJ_INTERNAL_DEVICE_CONTROL : IRP_MJ_DEVICE_CONTROL;
 388     irpsp->Parameters.DeviceIoControl.IoControlCode = IoControlCode;
 389     irp->UserIosb = IoStatusBlock;
 390     irp->UserEvent = Event;
 391
 392     return irp;
 393 }
 394
 395
 396 /***********************************************************************
 397  *           IoCreateDriver   (NTOSKRNL.EXE.@)
 398  */
 399 NTSTATUS WINAPI IoCreateDriver( UNICODE_STRING *name, PDRIVER_INITIALIZE init )
 400 {
 401     DRIVER_OBJECT *driver;
 402     DRIVER_EXTENSION *extension;
 403     NTSTATUS status;
 404
 405     if (!(driver = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY,
 406                                     sizeof(*driver) + sizeof(*extension) )))
 407         return STATUS_NO_MEMORY;
 408
 409     if ((status = RtlDuplicateUnicodeString( 1, name, &driver->DriverName )))
 410     {
 411         RtlFreeHeap( GetProcessHeap(), 0, driver );
 412         return status;
 413     }
 414
 415     extension = (DRIVER_EXTENSION *)(driver + 1);
 416     driver->Size            = sizeof(*driver);
 417     driver->DriverInit      = init;
 418     driver->DriverExtension = extension;
 419     extension->DriverObject   = driver;
 420     extension->ServiceKeyName = driver->DriverName;
 421
 422     status = driver->DriverInit( driver, name );
 423
 424     if (status)
 425     {
 426         RtlFreeUnicodeString( &driver->DriverName );
 427         RtlFreeHeap( GetProcessHeap(), 0, driver );
 428     }
 429     return status;
 430 }
 431
 432
 433 /***********************************************************************
 434  *           IoDeleteDriver   (NTOSKRNL.EXE.@)
 435  */
 436 void WINAPI IoDeleteDriver( DRIVER_OBJECT *driver )
 437 {
 438     RtlFreeUnicodeString( &driver->DriverName );
 439     RtlFreeHeap( GetProcessHeap(), 0, driver );
 440 }
 441
 442
 443 /***********************************************************************
 444  *           IoCreateDevice   (NTOSKRNL.EXE.@)
 445  */
 446 NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
 447                                 UNICODE_STRING *name, DEVICE_TYPE type,
 448                                 ULONG characteristics, BOOLEAN exclusive,
 449                                 DEVICE_OBJECT **ret_device )
 450 {
 451     NTSTATUS status;
 452     DEVICE_OBJECT *device;
 453     HANDLE handle = 0;
 454     HANDLE manager = get_device_manager();
 455
 456     TRACE( "(%p, %u, %s, %u, %x, %u, %p)\n",
 457            driver, ext_size, debugstr_us(name), type, characteristics, exclusive, ret_device );
 458
 459     if (!(device = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*device) + ext_size )))
 460         return STATUS_NO_MEMORY;
 461
 462     SERVER_START_REQ( create_device )
 463     {
 464         req->access     = 0;
 465         req->attributes = 0;
 466         req->rootdir    = 0;
 467         req->manager    = manager;
 468         req->user_ptr   = device;
 469         if (name) wine_server_add_data( req, name->Buffer, name->Length );
 470         if (!(status = wine_server_call( req ))) handle = reply->handle;
 471     }
 472     SERVER_END_REQ;
 473
 474     if (status == STATUS_SUCCESS)
 475     {
 476         device->DriverObject    = driver;
 477         device->DeviceExtension = device + 1;
 478         device->DeviceType      = type;
 479         device->StackSize       = 1;
 480         device->Reserved        = handle;
 481
 482         device->NextDevice   = driver->DeviceObject;
 483         driver->DeviceObject = device;
 484
 485         *ret_device = device;
 486     }
 487     else HeapFree( GetProcessHeap(), 0, device );
 488
 489     return status;
 490 }
 491
 492
 493 /***********************************************************************
 494  *           IoDeleteDevice   (NTOSKRNL.EXE.@)
 495  */
 496 void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
 497 {
 498     NTSTATUS status;
 499
 500     TRACE( "%p\n", device );
 501
 502     SERVER_START_REQ( delete_device )
 503     {
 504         req->handle = device->Reserved;
 505         status = wine_server_call( req );
 506     }
 507     SERVER_END_REQ;
 508
 509     if (status == STATUS_SUCCESS)
 510     {
 511         DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
 512         while (*prev && *prev != device) prev = &(*prev)->NextDevice;
 513         if (*prev) *prev = (*prev)->NextDevice;
 514         NtClose( device->Reserved );
 515         HeapFree( GetProcessHeap(), 0, device );
 516     }
 517 }
 518
 519
 520 /***********************************************************************
 521  *           IoCreateSymbolicLink   (NTOSKRNL.EXE.@)
 522  */
 523 NTSTATUS WINAPI IoCreateSymbolicLink( UNICODE_STRING *name, UNICODE_STRING *target )
 524 {
 525     HANDLE handle;
 526     OBJECT_ATTRIBUTES attr;
 527
 528     attr.Length                   = sizeof(attr);
 529     attr.RootDirectory            = 0;
 530     attr.ObjectName               = name;
 531     attr.Attributes               = OBJ_CASE_INSENSITIVE | OBJ_OPENIF;
 532     attr.SecurityDescriptor       = NULL;
 533     attr.SecurityQualityOfService = NULL;
 534
 535     TRACE( "%s -> %s\n", debugstr_us(name), debugstr_us(target) );
 536     /* FIXME: store handle somewhere */
 537     return NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, target );
 538 }
 539
 540
 541 /***********************************************************************
 542  *           IoDeleteSymbolicLink   (NTOSKRNL.EXE.@)
 543  */
 544 NTSTATUS WINAPI IoDeleteSymbolicLink( UNICODE_STRING *name )
 545 {
 546     FIXME( "%s\n", debugstr_us(name) );
 547     return STATUS_SUCCESS;
 548 }
 549
 550
 551 /***********************************************************************
 552  *           IoGetDeviceObjectPointer   (NTOSKRNL.EXE.@)
 553  */
 554 NTSTATUS  WINAPI IoGetDeviceObjectPointer( UNICODE_STRING *name, ACCESS_MASK access, PFILE_OBJECT *file, PDEVICE_OBJECT *device )
 555 {
 556     FIXME( "stub: %s %x %p %p\n", debugstr_us(name), access, file, device );
 557     return STATUS_NOT_IMPLEMENTED;
 558 }
 559
 560
 561 /***********************************************************************
 562  *           IofCallDriver   (NTOSKRNL.EXE.@)
 563  */
 564 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 565 DEFINE_FASTCALL2_ENTRYPOINT( IofCallDriver )
 566 NTSTATUS WINAPI __regs_IofCallDriver( DEVICE_OBJECT *device, IRP *irp )
 567 #else
 568 NTSTATUS WINAPI IofCallDriver( DEVICE_OBJECT *device, IRP *irp )
 569 #endif
 570 {
 571     PDRIVER_DISPATCH dispatch;
 572     IO_STACK_LOCATION *irpsp;
 573     NTSTATUS status;
 574
 575     TRACE( "%p %p\n", device, irp );
 576
 577     --irp->CurrentLocation;
 578     irpsp = --irp->Tail.Overlay.s.u.CurrentStackLocation;
 579     dispatch = device->DriverObject->MajorFunction[irpsp->MajorFunction];
 580     status = dispatch( device, irp );
 581
 582     return status;
 583 }
 584
 585
 586 /***********************************************************************
 587  *           IoGetRelatedDeviceObject    (NTOSKRNL.EXE.@)
 588  */
 589 PDEVICE_OBJECT WINAPI IoGetRelatedDeviceObject( PFILE_OBJECT obj )
 590 {
 591     FIXME( "stub: %p\n", obj );
 592     return NULL;
 593 }
 594
 595 static CONFIGURATION_INFORMATION configuration_information;
 596
 597 /***********************************************************************
 598  *           IoGetConfigurationInformation    (NTOSKRNL.EXE.@)
 599  */
 600 PCONFIGURATION_INFORMATION WINAPI IoGetConfigurationInformation(void)
 601 {
 602     FIXME( "partial stub\n" );
 603     /* FIXME: return actual devices on system */
 604     return &configuration_information;
 605 }
 606
 607
 608 /***********************************************************************
 609  *           IoRegisterDriverReinitialization    (NTOSKRNL.EXE.@)
 610  */
 611 void WINAPI IoRegisterDriverReinitialization( PDRIVER_OBJECT obj, PDRIVER_REINITIALIZE reinit, PVOID context )
 612 {
 613     FIXME( "stub: %p %p %p\n", obj, reinit, context );
 614 }
 615
 616
 617 /***********************************************************************
 618  *           IoRegisterShutdownNotification    (NTOSKRNL.EXE.@)
 619  */
 620 NTSTATUS WINAPI IoRegisterShutdownNotification( PDEVICE_OBJECT obj )
 621 {
 622     FIXME( "stub: %p\n", obj );
 623     return STATUS_SUCCESS;
 624 }
 625
 626
 627 /***********************************************************************
 628  *           IofCompleteRequest   (NTOSKRNL.EXE.@)
 629  */
 630 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 631 DEFINE_FASTCALL2_ENTRYPOINT( IofCompleteRequest )
 632 void WINAPI __regs_IofCompleteRequest( IRP *irp, UCHAR priority_boost )
 633 #else
 634 void WINAPI IofCompleteRequest( IRP *irp, UCHAR priority_boost )
 635 #endif
 636 {
 637     IO_STACK_LOCATION *irpsp;
 638     PIO_COMPLETION_ROUTINE routine;
 639     IO_STATUS_BLOCK *iosb;
 640     struct IrpInstance *instance;
 641     NTSTATUS status, stat;
 642     int call_flag = 0;
 643
 644     TRACE( "%p %u\n", irp, priority_boost );
 645
 646     iosb = irp->UserIosb;
 647     status = irp->IoStatus.u.Status;
 648     while (irp->CurrentLocation <= irp->StackCount)
 649     {
 650         irpsp = irp->Tail.Overlay.s.u.CurrentStackLocation;
 651         routine = irpsp->CompletionRoutine;
 652         call_flag = 0;
 653         /* FIXME: add SL_INVOKE_ON_CANCEL support */
 654         if (routine)
 655         {
 656             if ((irpsp->Control & SL_INVOKE_ON_SUCCESS) && STATUS_SUCCESS == status)
 657                 call_flag = 1;
 658             if ((irpsp->Control & SL_INVOKE_ON_ERROR) && STATUS_SUCCESS != status)
 659                 call_flag = 1;
 660         }
 661         ++irp->CurrentLocation;
 662         ++irp->Tail.Overlay.s.u.CurrentStackLocation;
 663         if (call_flag)
 664         {
 665             TRACE( "calling %p( %p, %p, %p )\n", routine,
 666                     irpsp->DeviceObject, irp, irpsp->Context );
 667             stat = routine( irpsp->DeviceObject, irp, irpsp->Context );
 668             TRACE( "CompletionRoutine returned %x\n", stat );
 669             if (STATUS_MORE_PROCESSING_REQUIRED == stat)
 670                 return;
 671         }
 672     }
 673     if (iosb && STATUS_SUCCESS == status)
 674     {
 675         iosb->u.Status = irp->IoStatus.u.Status;
 676         iosb->Information = irp->IoStatus.Information;
 677     }
 678     LIST_FOR_EACH_ENTRY( instance, &Irps, struct IrpInstance, entry )
 679     {
 680         if (instance->irp == irp)
 681         {
 682             list_remove( &instance->entry );
 683             HeapFree( GetProcessHeap(), 0, instance );
 684             IoFreeIrp( irp );
 685             break;
 686         }
 687     }
 688 }
 689
 690
 691 /***********************************************************************
 692  *           InterlockedCompareExchange   (NTOSKRNL.EXE.@)
 693  */
 694 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 695 DEFINE_FASTCALL2_ENTRYPOINT( NTOSKRNL_InterlockedCompareExchange )
 696 LONG WINAPI __regs_NTOSKRNL_InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
 697 #else
 698 LONG WINAPI NTOSKRNL_InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
 699 #endif
 700 {
 701     return InterlockedCompareExchange( dest, xchg, compare );
 702 }
 703
 704
 705 /***********************************************************************
 706  *           InterlockedDecrement   (NTOSKRNL.EXE.@)
 707  */
 708 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
 709 DEFINE_FASTCALL1_ENTRYPOINT( NTOSKRNL_InterlockedDecrement )
 710 LONG WINAPI __regs_NTOSKRNL_InterlockedDecrement( LONG volatile *dest )
 711 #else
 712 LONG WINAPI NTOSKRNL_InterlockedDecrement( LONG volatile *dest )
 713 #endif
 714 {
 715     return InterlockedDecrement( dest );
 716 }
 717
 718
 719 /***********************************************************************
 720  *           InterlockedExchange   (NTOSKRNL.EXE.@)
 721  */
 722 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 723 DEFINE_FASTCALL2_ENTRYPOINT( NTOSKRNL_InterlockedExchange )
 724 LONG WINAPI __regs_NTOSKRNL_InterlockedExchange( LONG volatile *dest, LONG val )
 725 #else
 726 LONG WINAPI NTOSKRNL_InterlockedExchange( LONG volatile *dest, LONG val )
 727 #endif
 728 {
 729     return InterlockedExchange( dest, val );
 730 }
 731
 732
 733 /***********************************************************************
 734  *           InterlockedExchangeAdd   (NTOSKRNL.EXE.@)
 735  */
 736 #ifdef DEFINE_FASTCALL2_ENTRYPOINT
 737 DEFINE_FASTCALL2_ENTRYPOINT( NTOSKRNL_InterlockedExchangeAdd )
 738 LONG WINAPI __regs_NTOSKRNL_InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
 739 #else
 740 LONG WINAPI NTOSKRNL_InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
 741 #endif
 742 {
 743     return InterlockedExchangeAdd( dest, incr );
 744 }
 745
 746
 747 /***********************************************************************
 748  *           InterlockedIncrement   (NTOSKRNL.EXE.@)
 749  */
 750 #ifdef DEFINE_FASTCALL1_ENTRYPOINT
 751 DEFINE_FASTCALL1_ENTRYPOINT( NTOSKRNL_InterlockedIncrement )
 752 LONG WINAPI __regs_NTOSKRNL_InterlockedIncrement( LONG volatile *dest )
 753 #else
 754 LONG WINAPI NTOSKRNL_InterlockedIncrement( LONG volatile *dest )
 755 #endif
 756 {
 757     return InterlockedIncrement( dest );
 758 }
 759
 760
 761 /***********************************************************************
 762  *           ExAllocatePool   (NTOSKRNL.EXE.@)
 763  */
 764 PVOID WINAPI ExAllocatePool( POOL_TYPE type, SIZE_T size )
 765 {
 766     return ExAllocatePoolWithTag( type, size, 0 );
 767 }
 768
 769
 770 /***********************************************************************
 771  *           ExAllocatePoolWithQuota   (NTOSKRNL.EXE.@)
 772  */
 773 PVOID WINAPI ExAllocatePoolWithQuota( POOL_TYPE type, SIZE_T size )
 774 {
 775     return ExAllocatePoolWithTag( type, size, 0 );
 776 }
 777
 778
 779 /***********************************************************************
 780  *           ExAllocatePoolWithTag   (NTOSKRNL.EXE.@)
 781  */
 782 PVOID WINAPI ExAllocatePoolWithTag( POOL_TYPE type, SIZE_T size, ULONG tag )
 783 {
 784     /* FIXME: handle page alignment constraints */
 785     void *ret = HeapAlloc( GetProcessHeap(), 0, size );
 786     TRACE( "%lu pool %u -> %p\n", size, type, ret );
 787     return ret;
 788 }
 789
 790
 791 /***********************************************************************
 792  *           ExAllocatePoolWithQuotaTag   (NTOSKRNL.EXE.@)
 793  */
 794 PVOID WINAPI ExAllocatePoolWithQuotaTag( POOL_TYPE type, SIZE_T size, ULONG tag )
 795 {
 796     return ExAllocatePoolWithTag( type, size, tag );
 797 }
 798
 799
 800 /***********************************************************************
 801  *           ExFreePool   (NTOSKRNL.EXE.@)
 802  */
 803 void WINAPI ExFreePool( void *ptr )
 804 {
 805     ExFreePoolWithTag( ptr, 0 );
 806 }
 807
 808
 809 /***********************************************************************
 810  *           ExFreePoolWithTag   (NTOSKRNL.EXE.@)
 811  */
 812 void WINAPI ExFreePoolWithTag( void *ptr, ULONG tag )
 813 {
 814     TRACE( "%p\n", ptr );
 815     HeapFree( GetProcessHeap(), 0, ptr );
 816 }
 817
 818
 819 /***********************************************************************
 820  *           KeInitializeSpinLock   (NTOSKRNL.EXE.@)
 821  */
 822 void WINAPI KeInitializeSpinLock( PKSPIN_LOCK SpinLock )
 823 {
 824     FIXME("%p\n", SpinLock);
 825 }
 826
 827
 828 /***********************************************************************
 829  *           KeInitializeTimerEx   (NTOSKRNL.EXE.@)
 830  */
 831 void WINAPI KeInitializeTimerEx( PKTIMER Timer, TIMER_TYPE Type )
 832 {
 833     FIXME("%p %d\n", Timer, Type);
 834 }
 835
 836
 837 /***********************************************************************
 838  *           KeInitializeTimer   (NTOSKRNL.EXE.@)
 839  */
 840 void WINAPI KeInitializeTimer( PKTIMER Timer )
 841 {
 842     KeInitializeTimerEx(Timer, NotificationTimer);
 843 }
 844
 845
 846 /**********************************************************************
 847  *           KeQueryActiveProcessors   (NTOSKRNL.EXE.@)
 848  *
 849  * Return the active Processors as bitmask
 850  *
 851  * RETURNS
 852  *   active Processors as bitmask
 853  *
 854  */
 855 KAFFINITY WINAPI KeQueryActiveProcessors( void )
 856 {
 857     DWORD_PTR AffinityMask;
 858
 859     GetProcessAffinityMask( GetCurrentProcess(), &AffinityMask, NULL);
 860     return AffinityMask;
 861 }
 862
 863
 864 /**********************************************************************
 865  *           KeQueryInterruptTime   (NTOSKRNL.EXE.@)
 866  *
 867  * Return the interrupt time count
 868  *
 869  */
 870 ULONGLONG WINAPI KeQueryInterruptTime( void )
 871 {
 872     LARGE_INTEGER totaltime;
 873
 874     KeQueryTickCount(&totaltime);
 875     return totaltime.QuadPart;
 876 }
 877
 878
 879 /***********************************************************************
 880  *           KeQuerySystemTime   (NTOSKRNL.EXE.@)
 881  */
 882 void WINAPI KeQuerySystemTime( LARGE_INTEGER *time )
 883 {
 884     NtQuerySystemTime( time );
 885 }
 886
 887
 888 /***********************************************************************
 889  *           KeQueryTickCount   (NTOSKRNL.EXE.@)
 890  */
 891 void WINAPI KeQueryTickCount( LARGE_INTEGER *count )
 892 {
 893     count->QuadPart = NtGetTickCount();
 894     /* update the global variable too */
 895     KeTickCount.LowPart   = count->u.LowPart;
 896     KeTickCount.High1Time = count->u.HighPart;
 897     KeTickCount.High2Time = count->u.HighPart;
 898 }
 899
 900
 901 /***********************************************************************
 902  *           KeQueryTimeIncrement   (NTOSKRNL.EXE.@)
 903  */
 904 ULONG WINAPI KeQueryTimeIncrement(void)
 905 {
 906     return 10000;
 907 }
 908
 909
 910 /***********************************************************************
 911  *           MmAllocateNonCachedMemory   (NTOSKRNL.EXE.@)
 912  */
 913 PVOID WINAPI MmAllocateNonCachedMemory( SIZE_T size )
 914 {
 915     TRACE( "%lu\n", size );
 916     return VirtualAlloc( NULL, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE|PAGE_NOCACHE );
 917 }
 918
 919
 920 /***********************************************************************
 921  *           MmFreeNonCachedMemory   (NTOSKRNL.EXE.@)
 922  */
 923 void WINAPI MmFreeNonCachedMemory( void *addr, SIZE_T size )
 924 {
 925     TRACE( "%p %lu\n", addr, size );
 926     VirtualFree( addr, 0, MEM_RELEASE );
 927 }
 928
 929 /***********************************************************************
 930  *           MmIsAddressValid   (NTOSKRNL.EXE.@)
 931  *
 932  * Check if the process can access the virtual address without a pagefault
 933  *
 934  * PARAMS
 935  *  VirtualAddress [I] Address to check
 936  *
 937  * RETURNS
 938  *  Failure: FALSE
 939  *  Success: TRUE  (Accessing the Address works without a Pagefault)
 940  *
 941  */
 942 BOOLEAN WINAPI MmIsAddressValid(PVOID VirtualAddress)
 943 {
 944     TRACE("(%p)\n", VirtualAddress);
 945     return !IsBadWritePtr(VirtualAddress, 1);
 946 }
 947
 948 /***********************************************************************
 949  *           MmPageEntireDriver   (NTOSKRNL.EXE.@)
 950  */
 951 PVOID WINAPI MmPageEntireDriver(PVOID AddrInSection)
 952 {
 953     TRACE("%p\n", AddrInSection);
 954     return AddrInSection;
 955 }
 956
 957 /***********************************************************************
 958  *           MmResetDriverPaging   (NTOSKRNL.EXE.@)
 959  */
 960 void WINAPI MmResetDriverPaging(PVOID AddrInSection)
 961 {
 962     TRACE("%p\n", AddrInSection);
 963 }
 964
 965
 966  /***********************************************************************
 967  *           ObReferenceObjectByHandle    (NTOSKRNL.EXE.@)
 968  */
 969 NTSTATUS WINAPI ObReferenceObjectByHandle( HANDLE obj, ACCESS_MASK access,
 970                                            POBJECT_TYPE type,
 971                                            KPROCESSOR_MODE mode, PVOID* ptr,
 972                                            POBJECT_HANDLE_INFORMATION info)
 973 {
 974     FIXME( "stub: %p %x %p %d %p %p\n", obj, access, type, mode, ptr, info);
 975     return STATUS_NOT_IMPLEMENTED;
 976 }
 977
 978
 979 /***********************************************************************
 980  *           ObfDereferenceObject   (NTOSKRNL.EXE.@)
 981  */
 982 void WINAPI ObfDereferenceObject( VOID *obj )
 983 {
 984     FIXME( "stub: %p\n", obj );
 985 }
 986
 987
 988 /***********************************************************************
 989  *           PsCreateSystemThread   (NTOSKRNL.EXE.@)
 990  */
 991 NTSTATUS WINAPI PsCreateSystemThread(PHANDLE ThreadHandle, ULONG DesiredAccess,
 992                                      POBJECT_ATTRIBUTES ObjectAttributes,
 993                                      HANDLE ProcessHandle, PCLIENT_ID ClientId,
 994                                      PKSTART_ROUTINE StartRoutine, PVOID StartContext)
 995 {
 996     if (!ProcessHandle) ProcessHandle = GetCurrentProcess();
 997     return RtlCreateUserThread(ProcessHandle, 0, FALSE, 0, 0,
 998                                0, StartRoutine, StartContext,
 999                                ThreadHandle, ClientId);
1000 }
1001
1002 /***********************************************************************
1003  *           PsGetCurrentProcessId   (NTOSKRNL.EXE.@)
1004  */
1005 HANDLE WINAPI PsGetCurrentProcessId(void)
1006 {
1007     return (HANDLE)GetCurrentProcessId();  /* FIXME: not quite right... */
1008 }
1009
1010
1011 /***********************************************************************
1012  *           PsGetCurrentThreadId   (NTOSKRNL.EXE.@)
1013  */
1014 HANDLE WINAPI PsGetCurrentThreadId(void)
1015 {
1016     return (HANDLE)GetCurrentThreadId();  /* FIXME: not quite right... */
1017 }
1018
1019
1020 /***********************************************************************
1021  *           PsGetVersion   (NTOSKRNL.EXE.@)
1022  */
1023 BOOLEAN WINAPI PsGetVersion(ULONG *major, ULONG *minor, ULONG *build, UNICODE_STRING *version )
1024 {
1025     RTL_OSVERSIONINFOEXW info;
1026
1027     RtlGetVersion( &info );
1028     if (major) *major = info.dwMajorVersion;
1029     if (minor) *minor = info.dwMinorVersion;
1030     if (build) *build = info.dwBuildNumber;
1031
1032     if (version)
1033     {
1034 #if 0  /* FIXME: GameGuard passes an uninitialized pointer in version->Buffer */
1035         size_t len = min( strlenW(info.szCSDVersion)*sizeof(WCHAR), version->MaximumLength );
1036         memcpy( version->Buffer, info.szCSDVersion, len );
1037         if (len < version->MaximumLength) version->Buffer[len / sizeof(WCHAR)] = 0;
1038         version->Length = len;
1039 #endif
1040     }
1041     return TRUE;
1042 }
1043
1044
1045 /***********************************************************************
1046  *           PsSetCreateProcessNotifyRoutine   (NTOSKRNL.EXE.@)
1047  */
1048 NTSTATUS WINAPI PsSetCreateProcessNotifyRoutine( PCREATE_PROCESS_NOTIFY_ROUTINE callback, BOOLEAN remove )
1049 {
1050     FIXME( "stub: %p %d\n", callback, remove );
1051     return STATUS_SUCCESS;
1052 }
1053
1054
1055 /*****************************************************
1056  *           DllMain
1057  */
1058 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
1059 {
1060     LARGE_INTEGER count;
1061
1062     switch(reason)
1063     {
1064     case DLL_PROCESS_ATTACH:
1065         DisableThreadLibraryCalls( inst );
1066         RtlAddVectoredExceptionHandler( TRUE, vectored_handler );
1067         KeQueryTickCount( &count );  /* initialize the global KeTickCount */
1068         break;
1069     }
1070     return TRUE;
1071 }