ReactOS  0.4.15-dev-1207-g698a8e6
hal.h File Reference

Go to the source code of this file.

Classes

struct  _PARTITION_DESCRIPTOR
 
struct  _BOOT_SECTOR_INFO
 
struct  _PARTITION_TABLE
 
struct  _DISK_LAYOUT
 
struct  _PTE
 

Macros

#define PARTITION_TABLE_OFFSET   (0x1BE / 2)
 
#define BOOT_SIGNATURE_OFFSET   ((0x200 / 2) - 1)
 
#define BOOT_RECORD_RESERVED   0x1BC
 
#define BOOT_RECORD_SIGNATURE   0xAA55
 
#define NUM_PARTITION_TABLE_ENTRIES   4
 
#define GET_STARTING_SECTOR(p)
 
#define GET_ENDING_S_OF_CHS(p)   ((UCHAR)(p->EndingCylinderLsb & 0x3F))
 
#define GET_PARTITION_LENGTH(p)
 
#define SET_PARTITION_LENGTH(p, l)
 

Typedefs

typedef struct _PARTITION_DESCRIPTOR PARTITION_DESCRIPTOR
 
typedef struct _PARTITION_DESCRIPTORPPARTITION_DESCRIPTOR
 
typedef struct _BOOT_SECTOR_INFO BOOT_SECTOR_INFO
 
typedef struct _BOOT_SECTOR_INFOPBOOT_SECTOR_INFO
 
typedef struct _PARTITION_TABLE PARTITION_TABLE
 
typedef struct _PARTITION_TABLEPPARTITION_TABLE
 
typedef struct _DISK_LAYOUT DISK_LAYOUT
 
typedef struct _DISK_LAYOUTPDISK_LAYOUT
 
typedef struct _PTE PTE
 
typedef struct _PTEPPTE
 

Functions

VOID FASTCALL xHalExamineMBR (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MbrTypeIdentifier, OUT PVOID *MbrBuffer)
 
VOID FASTCALL xHalIoAssignDriveLetters (IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN PSTRING NtDeviceName, OUT PUCHAR NtSystemPath, OUT PSTRING NtSystemPathString)
 
NTSTATUS FASTCALL xHalIoReadPartitionTable (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN BOOLEAN ReturnRecognizedPartitions, IN OUT PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
 
NTSTATUS FASTCALL xHalIoSetPartitionInformation (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG PartitionNumber, IN ULONG PartitionType)
 
NTSTATUS FASTCALL xHalIoWritePartitionTable (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG SectorsPerTrack, IN ULONG NumberOfHeads, IN PDRIVE_LAYOUT_INFORMATION PartitionBuffer)
 
VOID NTAPI xHalHaltSystem (VOID)
 
VOID NTAPI xHalEndOfBoot (VOID)
 
VOID NTAPI xHalSetWakeEnable (IN BOOLEAN Enable)
 
UCHAR NTAPI xHalVectorToIDTEntry (IN ULONG Vector)
 
NTSTATUS NTAPI xHalGetInterruptTranslator (IN INTERFACE_TYPE ParentInterfaceType, IN ULONG ParentBusNumber, IN INTERFACE_TYPE BridgeInterfaceType, IN USHORT Size, IN USHORT Version, OUT PTRANSLATOR_INTERFACE Translator, OUT PULONG BridgeBusNumber)
 
PBUS_HANDLER FASTCALL xHalHandlerForBus (IN INTERFACE_TYPE InterfaceType, IN ULONG BusNumber)
 
VOID FASTCALL xHalReferenceHandler (IN PBUS_HANDLER BusHandler)
 
NTSTATUS NTAPI xHalInitPnpDriver (VOID)
 
NTSTATUS NTAPI xHalInitPowerManagement (IN PPM_DISPATCH_TABLE PmDriverDispatchTable, OUT PPM_DISPATCH_TABLE *PmHalDispatchTable)
 
NTSTATUS NTAPI xHalStartMirroring (VOID)
 
NTSTATUS NTAPI xHalEndMirroring (IN ULONG PassNumber)
 
NTSTATUS NTAPI xHalMirrorPhysicalMemory (IN PHYSICAL_ADDRESS PhysicalAddress, IN LARGE_INTEGER NumberOfBytes)
 
NTSTATUS NTAPI xHalQueryBusSlots (IN PBUS_HANDLER BusHandler, IN ULONG BufferSize, OUT PULONG SlotNumbers, OUT PULONG ReturnedLength)
 
NTSTATUS NTAPI xHalSetSystemInformation (IN HAL_SET_INFORMATION_CLASS InformationClass, IN ULONG BufferSize, IN PVOID Buffer)
 
NTSTATUS NTAPI xHalQuerySystemInformation (IN HAL_QUERY_INFORMATION_CLASS InformationClass, IN ULONG BufferSize, IN OUT PVOID Buffer, OUT PULONG ReturnedLength)
 
VOID NTAPI xHalLocateHiberRanges (IN PVOID MemoryMap)
 
NTSTATUS NTAPI xHalRegisterBusHandler (IN INTERFACE_TYPE InterfaceType, IN BUS_DATA_TYPE ConfigSpace, IN ULONG BusNumber, IN INTERFACE_TYPE ParentInterfaceType, IN ULONG ParentBusNumber, IN ULONG ContextSize, IN PINSTALL_BUS_HANDLER InstallCallback, OUT PBUS_HANDLER *BusHandler)
 
VOID NTAPI xHalSetWakeAlarm (IN ULONGLONG AlartTime, IN PTIME_FIELDS TimeFields)
 
BOOLEAN NTAPI xHalTranslateBusAddress (IN INTERFACE_TYPE InterfaceType, IN ULONG BusNumber, IN PHYSICAL_ADDRESS BusAddress, IN OUT PULONG AddressSpace, OUT PPHYSICAL_ADDRESS TranslatedAddress)
 
NTSTATUS NTAPI xHalAllocateMapRegisters (IN PADAPTER_OBJECT AdapterObject, IN ULONG Unknown, IN ULONG Unknown2, PMAP_REGISTER_ENTRY Registers)
 
NTSTATUS NTAPI xKdSetupPciDeviceForDebugging (IN PVOID LoaderBlock OPTIONAL, IN OUT PDEBUG_DEVICE_DESCRIPTOR PciDevice)
 
NTSTATUS NTAPI xKdReleasePciDeviceForDebugging (IN OUT PDEBUG_DEVICE_DESCRIPTOR PciDevice)
 
PVOID NTAPI xKdGetAcpiTablePhase (IN struct _LOADER_PARAMETER_BLOCK *LoaderBlock, IN ULONG Signature)
 
PVOID NTAPI MatchAll (IN PHYSICAL_ADDRESS PhysicalAddress, IN ULONG NumberPages, IN BOOLEAN FlushCurrentTLB)
 
VOID NTAPI xKdUnmapVirtualAddress (IN PVOID VirtualAddress, IN ULONG NumberPages, IN BOOLEAN FlushCurrentTLB)
 

Macro Definition Documentation

◆ BOOT_RECORD_RESERVED

#define BOOT_RECORD_RESERVED   0x1BC

Definition at line 245 of file hal.h.

◆ BOOT_RECORD_SIGNATURE

#define BOOT_RECORD_SIGNATURE   0xAA55

Definition at line 246 of file hal.h.

◆ BOOT_SIGNATURE_OFFSET

#define BOOT_SIGNATURE_OFFSET   ((0x200 / 2) - 1)

Definition at line 244 of file hal.h.

◆ GET_ENDING_S_OF_CHS

#define GET_ENDING_S_OF_CHS (   p)    ((UCHAR)(p->EndingCylinderLsb & 0x3F))

Definition at line 258 of file hal.h.

◆ GET_PARTITION_LENGTH

#define GET_PARTITION_LENGTH (   p)
Value:
((ULONG)(p->PartitionLengthLsb0) + \
(ULONG)(p->PartitionLengthLsb1 << 8) + \
(ULONG)(p->PartitionLengthMsb0 << 16) + \
(ULONG)(p->PartitionLengthMsb1 << 24))
unsigned int ULONG
Definition: retypes.h:1
GLfloat GLfloat p
Definition: glext.h:8902

Definition at line 261 of file hal.h.

◆ GET_STARTING_SECTOR

#define GET_STARTING_SECTOR (   p)
Value:
((ULONG)(p->StartingSectorLsb0) + \
(ULONG)(p->StartingSectorLsb1 << 8 ) + \
(ULONG)(p->StartingSectorMsb0 << 16) + \
(ULONG)(p->StartingSectorMsb1 << 24))
unsigned int ULONG
Definition: retypes.h:1
GLfloat GLfloat p
Definition: glext.h:8902

Definition at line 252 of file hal.h.

◆ NUM_PARTITION_TABLE_ENTRIES

#define NUM_PARTITION_TABLE_ENTRIES   4

Definition at line 247 of file hal.h.

◆ PARTITION_TABLE_OFFSET

#define PARTITION_TABLE_OFFSET   (0x1BE / 2)

Definition at line 243 of file hal.h.

◆ SET_PARTITION_LENGTH

#define SET_PARTITION_LENGTH (   p,
  l 
)
Value:
p->PartitionLengthLsb0 = l & 0xFF; \
p->PartitionLengthLsb1 = (l >> 8) & 0xFF; \
p->PartitionLengthMsb0 = (l >> 16) & 0xFF; \
p->PartitionLengthMsb1 = (l >> 24) & 0xFF
r l[0]
Definition: byte_order.h:167
GLfloat GLfloat p
Definition: glext.h:8902

Definition at line 267 of file hal.h.

Typedef Documentation

◆ BOOT_SECTOR_INFO

◆ DISK_LAYOUT

◆ PARTITION_DESCRIPTOR

◆ PARTITION_TABLE

◆ PBOOT_SECTOR_INFO

◆ PDISK_LAYOUT

◆ PPARTITION_DESCRIPTOR

◆ PPARTITION_TABLE

◆ PPTE

typedef struct _PTE * PPTE

◆ PTE

typedef struct _PTE PTE

Function Documentation

◆ MatchAll()

PVOID NTAPI MatchAll ( IN PHYSICAL_ADDRESS  PhysicalAddress,
IN ULONG  NumberPages,
IN BOOLEAN  FlushCurrentTLB 
)

Definition at line 277 of file halstub.c.

280 {
281  return NULL;
282 }
smooth NULL
Definition: ftsmooth.c:416

◆ xHalAllocateMapRegisters()

NTSTATUS NTAPI xHalAllocateMapRegisters ( IN PADAPTER_OBJECT  AdapterObject,
IN ULONG  Unknown,
IN ULONG  Unknown2,
PMAP_REGISTER_ENTRY  Registers 
)

Definition at line 242 of file halstub.c.

246 {
247  PAGED_CODE();
248 
249  return STATUS_NOT_IMPLEMENTED;
250 }
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
#define PAGED_CODE()

◆ xHalEndMirroring()

NTSTATUS NTAPI xHalEndMirroring ( IN ULONG  PassNumber)

Definition at line 146 of file halstub.c.

147 {
148  return STATUS_NOT_SUPPORTED;
149 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423

◆ xHalEndOfBoot()

VOID NTAPI xHalEndOfBoot ( VOID  )

Definition at line 88 of file halstub.c.

89 {
90  PAGED_CODE();
91 
92  /* Nothing */
93  return;
94 }
#define PAGED_CODE()

◆ xHalExamineMBR()

VOID FASTCALL xHalExamineMBR ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN ULONG  MbrTypeIdentifier,
OUT PVOID MbrBuffer 
)

Definition at line 1643 of file disksup.c.

1647 {
1649  PUCHAR Buffer;
1650  ULONG BufferSize;
1651  KEVENT Event;
1653  PIRP Irp;
1654  PPARTITION_DESCRIPTOR PartitionDescriptor;
1655  NTSTATUS Status;
1656  PIO_STACK_LOCATION IoStackLocation;
1657 
1658  Offset.QuadPart = 0;
1659 
1660  /* Assume failure */
1661  *MbrBuffer = NULL;
1662 
1663  /* Normalize the buffer size */
1664  BufferSize = max(512, SectorSize);
1665 
1666  /* Allocate the buffer */
1669  TAG_FILE_SYSTEM);
1670  if (!Buffer) return;
1671 
1672  /* Initialize the Event */
1674 
1675  /* Build the IRP */
1677  DeviceObject,
1678  Buffer,
1679  BufferSize,
1680  &Offset,
1681  &Event,
1682  &IoStatusBlock);
1683  if (!Irp)
1684  {
1685  /* Failed */
1687  return;
1688  }
1689 
1690  /* Make sure to override volume verification */
1691  IoStackLocation = IoGetNextIrpStackLocation(Irp);
1692  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
1693 
1694  /* Call the driver */
1696  if (Status == STATUS_PENDING)
1697  {
1698  /* Wait for completion */
1701  }
1702 
1703  /* Check driver Status */
1704  if (NT_SUCCESS(Status))
1705  {
1706  /* Validate the MBR Signature */
1708  {
1709  /* Failed */
1711  return;
1712  }
1713 
1714  /* Get the partition entry */
1715  PartitionDescriptor = (PPARTITION_DESCRIPTOR)
1717 
1718  /* Make sure it's what the caller wanted */
1719  if (PartitionDescriptor->PartitionType != MbrTypeIdentifier)
1720  {
1721  /* It's not, free our buffer */
1723  }
1724  else
1725  {
1726  /* Check for OnTrack Disk Manager 6.0 / EZ-Drive partitions */
1727 
1728  if (PartitionDescriptor->PartitionType == PARTITION_DM)
1729  {
1730  /* Return our buffer, but at sector 63 */
1731  *(PULONG)Buffer = 63;
1732  *MbrBuffer = Buffer;
1733  }
1734  else if (PartitionDescriptor->PartitionType == PARTITION_EZDRIVE)
1735  {
1736  /* EZ-Drive, return the buffer directly */
1737  *MbrBuffer = Buffer;
1738  }
1739  else
1740  {
1741  /* Otherwise crash on debug builds */
1742  ASSERT(PartitionDescriptor->PartitionType == PARTITION_EZDRIVE);
1743  }
1744  }
1745  }
1746 }
#define TAG_FILE_SYSTEM
Definition: tag.h:50
#define max(a, b)
Definition: svc.c:63
PIRP NTAPI IoBuildSynchronousFsdRequest(IN ULONG MajorFunction, IN PDEVICE_OBJECT DeviceObject, IN PVOID Buffer, IN ULONG Length, IN PLARGE_INTEGER StartingOffset, IN PKEVENT Event, IN PIO_STATUS_BLOCK IoStatusBlock)
Definition: irp.c:1069
_In_ PIRP Irp
Definition: csq.h:116
unsigned char * PUCHAR
Definition: retypes.h:3
#define PARTITION_EZDRIVE
Definition: ntdddisk.h:289
LONG NTSTATUS
Definition: precomp.h:26
#define PARTITION_TABLE_OFFSET
Definition: hal.h:243
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define FALSE
Definition: types.h:117
_In_ PVOID _In_ ULONG Event
Definition: iotypes.h:450
smooth NULL
Definition: ftsmooth.c:416
#define SL_OVERRIDE_VERIFY_VOLUME
Definition: iotypes.h:1803
Definition: bufpool.h:45
#define PARTITION_DM
Definition: ntdddisk.h:288
#define BOOT_RECORD_SIGNATURE
Definition: parttest.c:17
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define STATUS_PENDING
Definition: ntstatus.h:82
UCHAR PartitionType
Definition: hal.h:282
struct _PARTITION_DESCRIPTOR * PPARTITION_DESCRIPTOR
#define BufferSize
Definition: mmc.h:75
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
Status
Definition: gdiplustypes.h:24
#define BOOT_SIGNATURE_OFFSET
Definition: hal.h:244
#define PAGE_SIZE
Definition: env_spec_w32.h:49
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetNextIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2691
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_In_ PDEVICE_OBJECT DeviceObject
Definition: iotypes.h:2464
unsigned int * PULONG
Definition: retypes.h:1
NTSTATUS NTAPI IoCallDriver(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: irp.c:1218
#define IRP_MJ_READ
Definition: rdpdr.c:46
unsigned int ULONG
Definition: retypes.h:1
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
_In_ ULONG SectorSize
Definition: halfuncs.h:291
IN BOOLEAN OUT PSTR Buffer
Definition: progress.h:34
unsigned short * PUSHORT
Definition: retypes.h:2

◆ xHalGetInterruptTranslator()

NTSTATUS NTAPI xHalGetInterruptTranslator ( IN INTERFACE_TYPE  ParentInterfaceType,
IN ULONG  ParentBusNumber,
IN INTERFACE_TYPE  BridgeInterfaceType,
IN USHORT  Size,
IN USHORT  Version,
OUT PTRANSLATOR_INTERFACE  Translator,
OUT PULONG  BridgeBusNumber 
)

Definition at line 156 of file translate.c.

163 {
164  PAGED_CODE();
165 
167  ASSERT(Size >= sizeof(TRANSLATOR_INTERFACE));
168 
169  /* Only (E)ISA interfaces are supported */
170  if (BridgeInterfaceType == Internal || BridgeInterfaceType >= MicroChannel)
171  {
172  return STATUS_NOT_IMPLEMENTED;
173  }
174 
175  /* Fill in output struct */
176  Translator->Size = sizeof(TRANSLATOR_INTERFACE);
177  Translator->Version = HAL_IRQ_TRANSLATOR_VERSION;
178  /* In case caller set interface to undefined, faulty it to ISA */
179  Translator->Context = UlongToPtr((BridgeInterfaceType == InterfaceTypeUndefined) ? Isa : BridgeInterfaceType);
180  Translator->InterfaceReference = FstubTranslatorNull;
181  Translator->InterfaceDereference = FstubTranslatorNull;
182  Translator->TranslateResources = FstubTranslateResource;
183  Translator->TranslateResourceRequirements = FstubTranslateRequirement;
184 
185  return STATUS_SUCCESS;
186 }
IN PVOID IN PVOID IN USHORT Version
Definition: pci.h:361
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239
VOID NTAPI FstubTranslatorNull(PVOID Context)
Definition: translate.c:22
#define UlongToPtr(u)
Definition: config.h:106
#define HAL_IRQ_TRANSLATOR_VERSION
Definition: haltypes.h:276
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:361
NTSTATUS NTAPI FstubTranslateRequirement(IN OUT PVOID Context OPTIONAL, IN PIO_RESOURCE_DESCRIPTOR Source, IN PDEVICE_OBJECT PhysicalDeviceObject, OUT PULONG TargetCount, OUT PIO_RESOURCE_DESCRIPTOR *Target)
Definition: translate.c:113
struct _TRANSLATOR_INTERFACE TRANSLATOR_INTERFACE
NTSTATUS NTAPI FstubTranslateResource(IN OUT PVOID Context OPTIONAL, IN PCM_PARTIAL_RESOURCE_DESCRIPTOR Source, IN RESOURCE_TRANSLATION_DIRECTION Direction, IN ULONG AlternativesCount OPTIONAL, IN IO_RESOURCE_DESCRIPTOR Alternatives[], IN PDEVICE_OBJECT PhysicalDeviceObject, OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR Target)
Definition: translate.c:35
return STATUS_SUCCESS
Definition: btrfs.c:3014
#define PAGED_CODE()

◆ xHalHaltSystem()

VOID NTAPI xHalHaltSystem ( VOID  )

Definition at line 41 of file halstub.c.

42 {
43  /* Halt execution */
44  while (TRUE);
45 }
#define TRUE
Definition: types.h:120

◆ xHalHandlerForBus()

PBUS_HANDLER FASTCALL xHalHandlerForBus ( IN INTERFACE_TYPE  InterfaceType,
IN ULONG  BusNumber 
)

Definition at line 106 of file halstub.c.

108 {
109  return NULL;
110 }
smooth NULL
Definition: ftsmooth.c:416

◆ xHalInitPnpDriver()

NTSTATUS NTAPI xHalInitPnpDriver ( VOID  )

Definition at line 122 of file halstub.c.

123 {
124  return STATUS_NOT_SUPPORTED;
125 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423

◆ xHalInitPowerManagement()

NTSTATUS NTAPI xHalInitPowerManagement ( IN PPM_DISPATCH_TABLE  PmDriverDispatchTable,
OUT PPM_DISPATCH_TABLE PmHalDispatchTable 
)

Definition at line 129 of file halstub.c.

131 {
132  return STATUS_NOT_SUPPORTED;
133 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423

◆ xHalIoAssignDriveLetters()

VOID FASTCALL xHalIoAssignDriveLetters ( IN PLOADER_PARAMETER_BLOCK  LoaderBlock,
IN PSTRING  NtDeviceName,
OUT PUCHAR  NtSystemPath,
OUT PSTRING  NtSystemPathString 
)

Definition at line 912 of file disksup.c.

916 {
917  USHORT i;
918  PULONG Devices;
920  WCHAR Buffer[50];
922  UCHAR DriveLetter;
923  BOOLEAN SystemFound;
924  IO_STATUS_BLOCK StatusBlock;
926  ANSI_STRING StringA1, StringA2;
927  PSTR Buffer1, Buffer2, LoadOptions;
929  PDRIVE_LAYOUT_INFORMATION LayoutInfo;
930  PCONFIGURATION_INFORMATION ConfigInfo;
931  UNICODE_STRING StringU1, StringU2, StringU3;
932  ULONG Increment, DiskCount, RealDiskCount, HarddiskCount, PartitionCount, SystemPartition;
933 
934  PAGED_CODE();
935 
936  /* Get our disk count */
937  ConfigInfo = IoGetConfigurationInformation();
938  DiskCount = ConfigInfo->DiskCount;
939  RealDiskCount = 0;
940 
941  /* Allocate two generic string buffers we'll use and reuser later on */
944  if (Buffer1 == NULL || Buffer2 == NULL)
945  {
946  KeBugCheck(ASSIGN_DRIVE_LETTERS_FAILED);
947  }
948 
949  /* In case of a remote boot, setup system path */
950  if (IoRemoteBootClient)
951  {
952  PSTR Last, Saved;
953 
954  /* Find last \ */
955  Last = strrchr(LoaderBlock->NtBootPathName, '\\');
956  Saved = NULL;
957  /* Misformed name, fail */
958  if (Last == NULL)
959  {
960  KeBugCheck(ASSIGN_DRIVE_LETTERS_FAILED);
961  }
962 
963  /* In case the name was terminated by a \... */
964  if (Last[1] == ANSI_NULL)
965  {
966  /* Erase it, save position and find the previous \ */
967  *Last = ANSI_NULL;
968  Saved = Last;
969  Last = strrchr(LoaderBlock->NtBootPathName, '\\');
970  *Saved = '\\';
971  }
972 
973  /* Misformed name, fail */
974  if (Last == NULL)
975  {
976  KeBugCheck(ASSIGN_DRIVE_LETTERS_FAILED);
977  }
978 
979  /* For a remote boot, assign X drive letter */
980  NtSystemPath[0] = 'X';
981  NtSystemPath[1] = ':';
982  /* And copy the end of the boot path */
983  strcpy((PSTR)&NtSystemPath[2], Last);
984 
985  /* If we had to remove the trailing \, remove it here too */
986  if (Saved != NULL)
987  {
988  NtSystemPath[strlen((PSTR)NtSystemPath) - 1] = ANSI_NULL;
989  }
990 
991  /* Setup output string */
992  RtlInitString(NtSystemPathString, (PSTR)NtSystemPath);
993  }
994 
995  /* For each of our disks, create the physical device DOS device */
996  Increment = 0;
997  if (DiskCount != 0)
998  {
999  for (i = 0; i < DiskCount; ++i)
1000  {
1001  /* Setup the origin name */
1002  sprintf(Buffer1, "\\Device\\Harddisk%d\\Partition%d", i, 0);
1003  RtlInitAnsiString(&StringA1, Buffer1);
1004  if (!NT_SUCCESS(RtlAnsiStringToUnicodeString(&StringU1, &StringA1, TRUE)))
1005  {
1006  /* We cannot fail */
1007  KeBugCheck(ASSIGN_DRIVE_LETTERS_FAILED);
1008  }
1009 
1010  /* Open the device */
1012  &StringU1,
1014  NULL,
1015  NULL);
1019  &StatusBlock,
1022  if (NT_SUCCESS(Status))
1023  {
1024  /* If we managed, create the link */
1025  sprintf(Buffer2, "\\DosDevices\\PhysicalDrive%d", i);
1026  RtlInitAnsiString(&StringA2, Buffer2);
1027  Status = RtlAnsiStringToUnicodeString(&StringU2, &StringA2, TRUE);
1028  if (NT_SUCCESS(Status))
1029  {
1030  IoCreateSymbolicLink(&StringU2, &StringU1);
1031  RtlFreeUnicodeString(&StringU2);
1032  }
1033 
1035 
1036  RealDiskCount = i + 1;
1037  }
1038 
1039  RtlFreeUnicodeString(&StringU1);
1040 
1041  if (!NT_SUCCESS(Status))
1042  {
1043  if (Increment < 50)
1044  {
1045  ++Increment;
1046  ++DiskCount;
1047  }
1048  }
1049  }
1050  }
1051 
1052  /* We done for our buffers */
1053  ExFreePoolWithTag(Buffer1, TAG_FSTUB);
1054  ExFreePoolWithTag(Buffer2, TAG_FSTUB);
1055 
1056  /* Upcase our load options, if any */
1057  if (LoaderBlock->LoadOptions != NULL)
1058  {
1059  LoadOptions = _strupr(LoaderBlock->LoadOptions);
1060  }
1061  else
1062  {
1063  LoadOptions = NULL;
1064  }
1065 
1066  /* If we boot with /MININT (system hive as volatile) option, assign X letter to boot device */
1067  if (LoadOptions != NULL &&
1068  strstr(LoadOptions, "MININT") != 0 &&
1069  NT_SUCCESS(RtlAnsiStringToUnicodeString(&StringU1, NtDeviceName, TRUE)))
1070  {
1071  if (NT_SUCCESS(HalpSetMountLetter(&StringU1, 'X')))
1072  {
1073  *NtSystemPath = 'X';
1074  }
1075 
1076  RtlFreeUnicodeString(&StringU1);
1077  }
1078 
1079  /* Compute our disks derangements */
1080  DiskCount -= Increment;
1081  if (RealDiskCount > DiskCount)
1082  {
1083  DiskCount = RealDiskCount;
1084  }
1085  Devices = IopComputeHarddiskDerangements(DiskCount);
1086 
1087  /* Now, start browsing all our disks for assigning drive letters
1088  * Here, we'll only handle boot partition and primary partitions
1089  */
1090  HarddiskCount = 0;
1091  for (i = 0; i < DiskCount; ++i)
1092  {
1093  /* Get device ID according to derangements map */
1094  if (Devices != NULL)
1095  {
1096  HarddiskCount = Devices[i];
1097  }
1098 
1099  /* Query disk layout */
1100  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition0", HarddiskCount);
1101  RtlInitUnicodeString(&StringU1, Buffer);
1102  if (!NT_SUCCESS(HalpQueryDriveLayout(&StringU1, &LayoutInfo)))
1103  {
1104  LayoutInfo = NULL;
1105  }
1106 
1107  /* Assume we didn't find system */
1108  SystemFound = FALSE;
1109  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, 1);
1110  RtlInitUnicodeString(&StringU1, Buffer);
1111  /* Query partition info for our disk */
1112  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1113  {
1114  /* It failed, retry for all the partitions */
1115  for (PartitionCount = 1; ; ++PartitionCount)
1116  {
1117  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1118  RtlInitUnicodeString(&StringU1, Buffer);
1119  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1120  {
1121  break;
1122  }
1123 
1124  /* We found a primary partition, assign a drive letter */
1126  {
1127  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, 0);
1128  break;
1129  }
1130  }
1131  }
1132  else
1133  {
1134  /* All right */
1135  for (PartitionCount = 2; ; ++PartitionCount)
1136  {
1137  /* If our partition is bootable (MBR) or data (GPT), that's system partition */
1139  {
1140  SystemFound = TRUE;
1141 
1142  /* Assign a drive letter and stop here if MBR */
1143  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, 0);
1145  {
1146  break;
1147  }
1148  }
1149 
1150  /* Keep looping on all the partitions */
1151  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1152  RtlInitUnicodeString(&StringU1, Buffer);
1153  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1154  {
1155  /* Mount every primary partition if we didn't find system */
1156  if (!SystemFound)
1157  {
1158  for (PartitionCount = 1; ; ++PartitionCount)
1159  {
1160  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1161  RtlInitUnicodeString(&StringU1, Buffer);
1162  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1163  {
1164  break;
1165  }
1166 
1168  {
1169  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, 0);
1170  break;
1171  }
1172  }
1173  }
1174 
1175  break;
1176  }
1177  }
1178  }
1179 
1180  /* Free layout, we'll reallocate it for next device */
1181  if (LayoutInfo != NULL)
1182  {
1183  ExFreePoolWithTag(LayoutInfo, TAG_FSTUB);
1184  }
1185 
1186  HarddiskCount = i + 1;
1187  }
1188 
1189  /* Now, assign logical partitions */
1190  for (i = 0; i < DiskCount; ++i)
1191  {
1192  /* Get device ID according to derangements map */
1193  if (Devices != NULL)
1194  {
1195  HarddiskCount = Devices[i];
1196  }
1197  else
1198  {
1199  HarddiskCount = i;
1200  }
1201 
1202  /* Query device layout */
1203  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition0", HarddiskCount);
1204  RtlInitUnicodeString(&StringU1, Buffer);
1205  if (!NT_SUCCESS(HalpQueryDriveLayout(&StringU1, &LayoutInfo)))
1206  {
1207  LayoutInfo = NULL;
1208  }
1209 
1210  /* And assign drive letter to logical partitions */
1211  for (PartitionCount = 1; ; ++PartitionCount)
1212  {
1213  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1214  RtlInitUnicodeString(&StringU1, Buffer);
1215  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1216  {
1217  break;
1218  }
1219 
1221  {
1222  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, 0);
1223  }
1224  }
1225 
1226  /* Free layout, we'll reallocate it for next device */
1227  if (LayoutInfo != NULL)
1228  {
1229  ExFreePoolWithTag(LayoutInfo, 0);
1230  }
1231  }
1232 
1233  /* Now, assign drive letters to everything else */
1234  for (i = 0; i < DiskCount; ++i)
1235  {
1236  /* Get device ID according to derangements map */
1237  if (Devices != NULL)
1238  {
1239  HarddiskCount = Devices[i];
1240  }
1241  else
1242  {
1243  HarddiskCount = i;
1244  }
1245 
1246  /* Query device layout */
1247  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition0", HarddiskCount);
1248  RtlInitUnicodeString(&StringU1, Buffer);
1249  if (!NT_SUCCESS(HalpQueryDriveLayout(&StringU1, &LayoutInfo)))
1250  {
1251  LayoutInfo = NULL;
1252  }
1253 
1254  /* Save system partition if any */
1255  SystemPartition = 0;
1256  for (PartitionCount = 1; ; ++PartitionCount)
1257  {
1258  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1259  RtlInitUnicodeString(&StringU1, Buffer);
1260  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1261  {
1262  break;
1263  }
1264 
1266  {
1267  SystemPartition = PartitionCount;
1268  }
1269  }
1270 
1271  /* And assign drive letter to anything but system partition */
1272  for (PartitionCount = 1; ; ++PartitionCount)
1273  {
1274  if (PartitionCount != SystemPartition)
1275  {
1276  swprintf(Buffer, L"\\Device\\Harddisk%d\\Partition%d", HarddiskCount, PartitionCount);
1277  RtlInitUnicodeString(&StringU1, Buffer);
1278  if (!NT_SUCCESS(HalpQueryPartitionType(&StringU1, LayoutInfo, &PartitionType)))
1279  {
1280  if (LayoutInfo != NULL)
1281  {
1282  ExFreePoolWithTag(LayoutInfo, 0);
1283  }
1284 
1285  break;
1286  }
1287 
1289  {
1290  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, 0);
1291  }
1292  }
1293  }
1294  }
1295 
1296  /* We're done with disks, if we have a device map, free it */
1297  if (Devices != NULL)
1298  {
1299  ExFreePoolWithTag(Devices, TAG_FSTUB);
1300  }
1301 
1302  /* Now, assign drive letter to floppy drives */
1303  for (i = 0; i < ConfigInfo->FloppyCount; ++i)
1304  {
1305  swprintf(Buffer, L"\\Device\\Floppy%d", i);
1306  RtlInitUnicodeString(&StringU1, Buffer);
1307  if (HalpIsOldStyleFloppy(&StringU1))
1308  {
1309  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, TRUE);
1310  }
1311  }
1312 
1313  /* And CD drives */
1314  for (i = 0; i < ConfigInfo->CdRomCount; ++i)
1315  {
1316  swprintf(Buffer, L"\\Device\\CdRom%d", i);
1317  RtlInitUnicodeString(&StringU1, Buffer);
1318  HalpNextDriveLetter(&StringU1, NtDeviceName, NtSystemPath, TRUE);
1319  }
1320 
1321  /* If not remote boot, handle NtDeviceName */
1322  if (!IoRemoteBootClient && NT_SUCCESS(RtlAnsiStringToUnicodeString(&StringU1, NtDeviceName, TRUE)))
1323  {
1324  /* Assign it a drive letter */
1325  DriveLetter = HalpNextDriveLetter(&StringU1, NULL, NULL, TRUE);
1326  if (DriveLetter != 0)
1327  {
1328  if (DriveLetter != 0xFF)
1329  {
1330  *NtSystemPath = DriveLetter;
1331  }
1332  }
1333  /* If it fails through mount manager, retry manually */
1334  else
1335  {
1336  RtlInitUnicodeString(&StringU2, L"\\Device\\Floppy");
1337  RtlInitUnicodeString(&StringU3, L"\\Device\\CdRom");
1338 
1339  if (RtlPrefixUnicodeString(&StringU2, &StringU1, TRUE))
1340  {
1341  DriveLetter = 'A';
1342  }
1343  else if (RtlPrefixUnicodeString(&StringU3, &StringU1, TRUE))
1344  {
1345  DriveLetter = 'D';
1346  }
1347  else
1348  {
1349  DriveLetter = 'C';
1350  }
1351 
1352  /* Try any drive letter */
1353  while (HalpSetMountLetter(&StringU1, DriveLetter) != STATUS_SUCCESS)
1354  {
1355  ++DriveLetter;
1356 
1357  if (DriveLetter > 'Z')
1358  {
1359  break;
1360  }
1361  }
1362 
1363  /* If we're beyond Z (ie, no slot left) */
1364  if (DriveLetter > 'Z')
1365  {
1366  /* Delete Z, and reuse it for system */
1367  HalpDeleteMountLetter('Z');
1368  HalpSetMountLetter(&StringU1, 'Z');
1369  *NtSystemPath = 'Z';
1370  }
1371  else
1372  {
1373  /* Return matching drive letter */
1374  *NtSystemPath = DriveLetter;
1375  }
1376  }
1377 
1378  RtlFreeUnicodeString(&StringU1);
1379  }
1380 
1381  /* Enable auto assignement for mountmgr */
1383 }
IN PUNICODE_STRING IN POBJECT_ATTRIBUTES ObjectAttributes
Definition: conport.c:35
#define OBJ_CASE_INSENSITIVE
Definition: winternl.h:228
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
PCONFIGURATION_INFORMATION NTAPI IoGetConfigurationInformation(VOID)
Definition: iorsrce.c:830
#define TRUE
Definition: types.h:120
NTSYSAPI NTSTATUS NTAPI ZwClose(_In_ HANDLE Handle)
char * strstr(char *String1, char *String2)
Definition: utclib.c:653
LONG NTSTATUS
Definition: precomp.h:26
VOID HalpEnableAutomaticDriveLetterAssignment(VOID)
Definition: disksup.c:857
_Check_return_ _CRTIMP _CONST_RETURN char *__cdecl strrchr(_In_z_ const char *_Str, _In_ int _Ch)
NTSTATUS HalpDeleteMountLetter(UCHAR DriveLetter)
Definition: disksup.c:766
#define FILE_SHARE_READ
Definition: compat.h:136
NTSTATUS HalpQueryPartitionType(IN PUNICODE_STRING DeviceName, IN PDRIVE_LAYOUT_INFORMATION LayoutInfo, OUT PPARTITION_TYPE PartitionType)
Definition: disksup.c:165
NTSYSAPI VOID NTAPI RtlInitAnsiString(PANSI_STRING DestinationString, PCSZ SourceString)
#define sprintf(buf, format,...)
Definition: sprintf.c:55
HANDLE FileHandle
Definition: stats.c:38
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define FALSE
Definition: types.h:117
#define ANSI_NULL
DECLSPEC_NORETURN VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1431
#define FILE_READ_DATA
Definition: nt_native.h:628
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
Definition: bufpool.h:45
UCHAR HalpNextDriveLetter(IN PUNICODE_STRING DeviceName, IN PSTRING NtDeviceName, OUT PUCHAR NtSystemPath, BOOLEAN IsRemovable)
Definition: disksup.c:607
__wchar_t WCHAR
Definition: xmlstorage.h:180
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define swprintf(buf, format,...)
Definition: sprintf.c:56
NTSYSAPI VOID NTAPI RtlFreeUnicodeString(PUNICODE_STRING UnicodeString)
static PPARTENTRY SystemPartition
Definition: usetup.c:61
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
NTSYSAPI NTSTATUS NTAPI ZwOpenFile(_Out_ PHANDLE FileHandle, _In_ ACCESS_MASK DesiredAccess, _In_ POBJECT_ATTRIBUTES ObjectAttributes, _Out_ PIO_STATUS_BLOCK IoStatusBlock, _In_ ULONG ShareAccess, _In_ ULONG OpenOptions)
NTSTATUS HalpSetMountLetter(IN PUNICODE_STRING DeviceName, UCHAR DriveLetter)
Definition: disksup.c:522
unsigned char UCHAR
Definition: xmlstorage.h:181
Status
Definition: gdiplustypes.h:24
static const WCHAR L[]
Definition: oid.c:1250
#define TAG_FSTUB
Definition: tag.h:195
#define SYNCHRONIZE
Definition: nt_native.h:61
NTSYSAPI VOID NTAPI RtlInitString(PSTRING DestinationString, PCSZ SourceString)
_CRTIMP char *__cdecl _strupr(_Inout_z_ char *_String)
unsigned short USHORT
Definition: pedump.c:61
NTSYSAPI NTSTATUS NTAPI RtlAnsiStringToUnicodeString(PUNICODE_STRING DestinationString, PANSI_STRING SourceString, BOOLEAN AllocateDestinationString)
signed char * PSTR
Definition: retypes.h:7
unsigned int * PULONG
Definition: retypes.h:1
PULONG IopComputeHarddiskDerangements(IN ULONG DiskCount)
Definition: disksup.c:320
NTSYSAPI BOOLEAN NTAPI RtlPrefixUnicodeString(IN PUNICODE_STRING String1, IN PUNICODE_STRING String2, IN BOOLEAN CaseInSensitive)
BOOLEAN HalpIsOldStyleFloppy(PUNICODE_STRING DeviceName)
Definition: disksup.c:707
#define FILE_SYNCHRONOUS_IO_NONALERT
Definition: from_kernel.h:31
char * strcpy(char *DstString, const char *SrcString)
Definition: utclib.c:388
CHAR PartitionType
Definition: part_xbox.c:32
unsigned int ULONG
Definition: retypes.h:1
NTSTATUS FASTCALL HalpQueryDriveLayout(IN PUNICODE_STRING DeviceName, OUT PDRIVE_LAYOUT_INFORMATION *LayoutInfo)
Definition: disksup.c:56
NTSYSAPI VOID NTAPI RtlInitUnicodeString(PUNICODE_STRING DestinationString, PCWSTR SourceString)
#define InitializeObjectAttributes(p, n, a, r, s)
Definition: reg.c:106
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
IN OUT PLONG IN OUT PLONG Addend IN OUT PLONG IN LONG Increment
Definition: CrNtStubs.h:42
return STATUS_SUCCESS
Definition: btrfs.c:3014
#define PAGED_CODE()
BOOLEAN IoRemoteBootClient
Definition: init.c:68

◆ xHalIoReadPartitionTable()

NTSTATUS FASTCALL xHalIoReadPartitionTable ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN BOOLEAN  ReturnRecognizedPartitions,
IN OUT PDRIVE_LAYOUT_INFORMATION PartitionBuffer 
)

Definition at line 1769 of file disksup.c.

1773 {
1774  KEVENT Event;
1776  PIRP Irp;
1777  PPARTITION_DESCRIPTOR PartitionDescriptor;
1778  CCHAR Entry;
1779  NTSTATUS Status;
1781  PUCHAR Buffer = NULL;
1782  ULONG BufferSize = 2048, InputSize;
1783  PDRIVE_LAYOUT_INFORMATION DriveLayoutInfo = NULL;
1784  LONG j = -1, i = -1, k;
1785  DISK_GEOMETRY_EX DiskGeometryEx;
1786  LONGLONG EndSector, MaxSector, StartOffset;
1787  LARGE_INTEGER Offset, VolumeOffset;
1788  BOOLEAN IsPrimary = TRUE, IsEzDrive = FALSE, MbrFound = FALSE;
1789  BOOLEAN IsValid, IsEmpty = TRUE;
1790  PVOID MbrBuffer;
1791  PIO_STACK_LOCATION IoStackLocation;
1793  LARGE_INTEGER HiddenSectors64;
1794 
1795  PAGED_CODE();
1796 
1797  VolumeOffset.QuadPart = Offset.QuadPart = 0;
1798 
1799  /* Allocate the buffer */
1801  BufferSize,
1802  TAG_FILE_SYSTEM);
1804 
1805  /* Normalize the buffer size */
1806  InputSize = max(512, SectorSize);
1807 
1808  /* Check for EZ-Drive */
1809  HalExamineMBR(DeviceObject, InputSize, PARTITION_EZDRIVE, &MbrBuffer);
1810  if (MbrBuffer)
1811  {
1812  /* EZ-Drive found, bias the offset */
1813  IsEzDrive = TRUE;
1814  ExFreePoolWithTag(MbrBuffer, TAG_FILE_SYSTEM);
1815  Offset.QuadPart = 512;
1816  }
1817 
1818  /* Get drive geometry */
1819  Status = HalpGetFullGeometry(DeviceObject, &DiskGeometryEx);
1820  if (!NT_SUCCESS(Status))
1821  {
1823  *PartitionBuffer = NULL;
1824  return Status;
1825  }
1826 
1827  /* Get the end and maximum sector */
1828  EndSector = DiskGeometryEx.DiskSize.QuadPart / DiskGeometryEx.Geometry.BytesPerSector;
1829  MaxSector = EndSector << 1;
1830  DPRINT("FSTUB: DiskSize = %#I64x, MaxSector = %#I64x\n",
1831  DiskGeometryEx.DiskSize, MaxSector);
1832 
1833  /* Allocate our buffer */
1835  if (!Buffer)
1836  {
1837  /* Fail, free the input buffer */
1839  *PartitionBuffer = NULL;
1841  }
1842 
1843  /* Start partition loop */
1844  do
1845  {
1846  /* Assume the partition is valid */
1847  IsValid = TRUE;
1848 
1849  /* Initialize the event */
1851 
1852  /* Clear the buffer and build the IRP */
1853  RtlZeroMemory(Buffer, InputSize);
1855  DeviceObject,
1856  Buffer,
1857  InputSize,
1858  &Offset,
1859  &Event,
1860  &IoStatusBlock);
1861  if (!Irp)
1862  {
1863  /* Failed */
1865  break;
1866  }
1867 
1868  /* Make sure to disable volume verification */
1869  IoStackLocation = IoGetNextIrpStackLocation(Irp);
1870  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
1871 
1872  /* Call the driver */
1874  if (Status == STATUS_PENDING)
1875  {
1876  /* Wait for completion */
1879  }
1880 
1881  /* Normalize status code and check for failure */
1883  if (!NT_SUCCESS(Status)) break;
1884 
1885  /* If we biased for EZ-Drive, unbias now */
1886  if (IsEzDrive && (Offset.QuadPart == 512)) Offset.QuadPart = 0;
1887 
1888  /* Make sure this is a valid MBR */
1890  {
1891  /* It's not, fail */
1892  DPRINT1("FSTUB: (IoReadPartitionTable) No 0xaa55 found in "
1893  "partition table %d\n", j + 1);
1894  break;
1895  }
1896 
1897  /* At this point we have a valid MBR */
1898  MbrFound = TRUE;
1899 
1900  /* Check if we weren't given an offset */
1901  if (!Offset.QuadPart)
1902  {
1903  /* Then read the signature off the disk */
1904  (*PartitionBuffer)->Signature = ((PULONG)Buffer)[PARTITION_TABLE_OFFSET / 2 - 1];
1905  }
1906 
1907  /* Get the partition descriptor array */
1908  PartitionDescriptor = (PPARTITION_DESCRIPTOR)
1910 
1911  /* Start looping partitions */
1912  j++;
1913  DPRINT("FSTUB: Partition Table %d:\n", j);
1914  for (Entry = 1, k = 0; Entry <= NUM_PARTITION_TABLE_ENTRIES; Entry++, PartitionDescriptor++)
1915  {
1916  /* Get the partition type */
1917  PartitionType = PartitionDescriptor->PartitionType;
1918 
1919  /* Print debug messages */
1920  DPRINT("Partition Entry %d,%d: type %#x %s\n",
1921  j,
1922  Entry,
1923  PartitionType,
1924  (PartitionDescriptor->ActiveFlag) ? "Active" : "");
1925  DPRINT("\tOffset %#08lx for %#08lx Sectors\n",
1926  GET_STARTING_SECTOR(PartitionDescriptor),
1927  GET_PARTITION_LENGTH(PartitionDescriptor));
1928 
1929  /* Check whether we're facing a protective MBR */
1931  {
1932  /* Partition length might be bigger than disk size */
1933  FstubFixupEfiPartition(PartitionDescriptor, DiskGeometryEx.DiskSize.QuadPart);
1934  }
1935 
1936  /* Make sure that the partition is valid, unless it's the first */
1937  if (!(HalpIsValidPartitionEntry(PartitionDescriptor,
1938  DiskGeometryEx.DiskSize.QuadPart,
1939  MaxSector)) && (j == 0))
1940  {
1941  /* It's invalid, so fail */
1942  IsValid = FALSE;
1943  break;
1944  }
1945 
1946  /* Check if it's a container */
1948  {
1949  /* Increase the count of containers */
1950  if (++k != 1)
1951  {
1952  /* More then one table is invalid */
1953  DPRINT1("FSTUB: Multiple container partitions found in "
1954  "partition table %d\n - table is invalid\n",
1955  j);
1956  IsValid = FALSE;
1957  break;
1958  }
1959  }
1960 
1961  /* Check if the partition is supposedly empty */
1962  if (IsEmpty)
1963  {
1964  /* But check if it actually has a start and/or length */
1965  if ((GET_STARTING_SECTOR(PartitionDescriptor)) ||
1966  (GET_PARTITION_LENGTH(PartitionDescriptor)))
1967  {
1968  /* So then it's not really empty */
1969  IsEmpty = FALSE;
1970  }
1971  }
1972 
1973  /* Check if the caller wanted only recognized partitions */
1975  {
1976  /* Then check if this one is unused, or a container */
1979  {
1980  /* Skip it, since the caller doesn't want it */
1981  continue;
1982  }
1983  }
1984 
1985  /* Increase the structure count and check if they can fit */
1986  if ((sizeof(DRIVE_LAYOUT_INFORMATION) +
1987  (++i * sizeof(PARTITION_INFORMATION))) >
1988  BufferSize)
1989  {
1990  /* Allocate a new buffer that's twice as big */
1991  DriveLayoutInfo = ExAllocatePoolWithTag(NonPagedPool,
1992  BufferSize << 1,
1993  TAG_FILE_SYSTEM);
1994  if (!DriveLayoutInfo)
1995  {
1996  /* Out of memory, undo this extra structure */
1997  --i;
1999  break;
2000  }
2001 
2002  /* Copy the contents of the old buffer */
2003  RtlMoveMemory(DriveLayoutInfo,
2004  *PartitionBuffer,
2005  BufferSize);
2006 
2007  /* Free the old buffer and set this one as the new one */
2009  *PartitionBuffer = DriveLayoutInfo;
2010 
2011  /* Double the size */
2012  BufferSize <<= 1;
2013  }
2014 
2015  /* Now get the current structure being filled and initialize it */
2016  PartitionInfo = &(*PartitionBuffer)->PartitionEntry[i];
2017  PartitionInfo->PartitionType = PartitionType;
2018  PartitionInfo->RewritePartition = FALSE;
2019 
2020  /* Check if we're dealing with a partition that's in use */
2022  {
2023  /* Check if it's bootable */
2024  PartitionInfo->BootIndicator = PartitionDescriptor->
2025  ActiveFlag & 0x80 ?
2026  TRUE : FALSE;
2027 
2028  /* Check if its' a container */
2030  {
2031  /* Then don't recognize it and use the volume offset */
2032  PartitionInfo->RecognizedPartition = FALSE;
2033  StartOffset = VolumeOffset.QuadPart;
2034  }
2035  else
2036  {
2037  /* Then recognize it and use the partition offset */
2038  PartitionInfo->RecognizedPartition = TRUE;
2039  StartOffset = Offset.QuadPart;
2040  }
2041 
2042  /* Get the starting offset */
2043  PartitionInfo->StartingOffset.QuadPart =
2044  StartOffset +
2045  UInt32x32To64(GET_STARTING_SECTOR(PartitionDescriptor),
2046  SectorSize);
2047 
2048  /* Calculate the number of hidden sectors */
2049  HiddenSectors64.QuadPart = (PartitionInfo->
2050  StartingOffset.QuadPart -
2051  StartOffset) /
2052  SectorSize;
2053  PartitionInfo->HiddenSectors = HiddenSectors64.LowPart;
2054 
2055  /* Get the partition length */
2056  PartitionInfo->PartitionLength.QuadPart =
2057  UInt32x32To64(GET_PARTITION_LENGTH(PartitionDescriptor),
2058  SectorSize);
2059 
2060  /* Get the partition number */
2061  /* FIXME: REACTOS HACK -- Needed for xHalIoAssignDriveLetters() */
2062  PartitionInfo->PartitionNumber = (!IsContainerPartition(PartitionType)) ? i + 1 : 0;
2063  }
2064  else
2065  {
2066  /* Otherwise, clear all the relevant fields */
2067  PartitionInfo->BootIndicator = FALSE;
2068  PartitionInfo->RecognizedPartition = FALSE;
2069  PartitionInfo->StartingOffset.QuadPart = 0;
2070  PartitionInfo->PartitionLength.QuadPart = 0;
2071  PartitionInfo->HiddenSectors = 0;
2072 
2073  /* FIXME: REACTOS HACK -- Needed for xHalIoAssignDriveLetters() */
2074  PartitionInfo->PartitionNumber = 0;
2075  }
2076  }
2077 
2078  /* Finish debug log, and check for failure */
2079  DPRINT("\n");
2080  if (!NT_SUCCESS(Status)) break;
2081 
2082  /* Also check if we hit an invalid entry here */
2083  if (!IsValid)
2084  {
2085  /* We did, so break out of the loop minus one entry */
2086  j--;
2087  break;
2088  }
2089 
2090  /* Reset the offset */
2091  Offset.QuadPart = 0;
2092 
2093  /* Go back to the descriptor array and loop it */
2094  PartitionDescriptor = (PPARTITION_DESCRIPTOR)
2096  for (Entry = 1; Entry <= NUM_PARTITION_TABLE_ENTRIES; Entry++, PartitionDescriptor++)
2097  {
2098  /* Check if this is a container partition, since we skipped them */
2099  if (IsContainerPartition(PartitionDescriptor->PartitionType))
2100  {
2101  /* Get its offset */
2102  Offset.QuadPart = VolumeOffset.QuadPart +
2103  UInt32x32To64(
2104  GET_STARTING_SECTOR(PartitionDescriptor),
2105  SectorSize);
2106 
2107  /* If this is a primary partition, this is the volume offset */
2108  if (IsPrimary) VolumeOffset = Offset;
2109 
2110  /* Also update the maximum sector */
2111  MaxSector = GET_PARTITION_LENGTH(PartitionDescriptor);
2112  DPRINT1("FSTUB: MaxSector now = %I64d\n", MaxSector);
2113  break;
2114  }
2115  }
2116 
2117  /* Loop the next partitions, which are not primary anymore */
2118  IsPrimary = FALSE;
2119  } while (Offset.HighPart | Offset.LowPart);
2120 
2121  /* Check if this is a removable device that's probably a super-floppy */
2122  if ((DiskGeometryEx.Geometry.MediaType == RemovableMedia) &&
2123  (j == 0) && (MbrFound) && (IsEmpty))
2124  {
2125  PBOOT_SECTOR_INFO BootSectorInfo = (PBOOT_SECTOR_INFO)Buffer;
2126 
2127  /* Read the jump bytes to detect super-floppy */
2128  if ((BootSectorInfo->JumpByte[0] == 0xeb) ||
2129  (BootSectorInfo->JumpByte[0] == 0xe9))
2130  {
2131  /* Super floppes don't have typical MBRs, so skip them */
2132  DPRINT1("FSTUB: Jump byte %#x found along with empty partition "
2133  "table - disk is a super floppy and has no valid MBR\n",
2134  BootSectorInfo->JumpByte);
2135  j = -1;
2136  }
2137  }
2138 
2139  /* Check if we're still at partition -1 */
2140  if (j == -1)
2141  {
2142  /* The likely cause is the super floppy detection above */
2143  if ((MbrFound) || (DiskGeometryEx.Geometry.MediaType == RemovableMedia))
2144  {
2145  /* Print out debugging information */
2146  DPRINT1("FSTUB: Drive %#p has no valid MBR. Make it into a "
2147  "super-floppy\n",
2148  DeviceObject);
2149  DPRINT1("FSTUB: Drive has %I64d sectors and is %#016I64x "
2150  "bytes large\n",
2151  EndSector, DiskGeometryEx.DiskSize);
2152 
2153  /* We should at least have some sectors */
2154  if (EndSector > 0)
2155  {
2156  /* Get the entry we'll use */
2157  PartitionInfo = &(*PartitionBuffer)->PartitionEntry[0];
2158 
2159  /* Fill it out with data for a super-floppy */
2160  PartitionInfo->RewritePartition = FALSE;
2161  PartitionInfo->RecognizedPartition = TRUE;
2162  PartitionInfo->PartitionType = PARTITION_FAT_16;
2163  PartitionInfo->BootIndicator = FALSE;
2164  PartitionInfo->HiddenSectors = 0;
2165  PartitionInfo->StartingOffset.QuadPart = 0;
2166  PartitionInfo->PartitionLength = DiskGeometryEx.DiskSize;
2167 
2168  /* FIXME: REACTOS HACK -- Needed for xHalIoAssignDriveLetters() */
2169  PartitionInfo->PartitionNumber = 0;
2170 
2171  /* Set the signature and set the count back to 0 */
2172  (*PartitionBuffer)->Signature = 1;
2173  i = 0;
2174  }
2175  }
2176  else
2177  {
2178  /* Otherwise, this isn't a super floppy, so set an invalid count */
2179  i = -1;
2180  }
2181  }
2182 
2183  /* Set the partition count */
2184  (*PartitionBuffer)->PartitionCount = ++i;
2185 
2186  /* If we have no count, delete the signature */
2187  if (!i) (*PartitionBuffer)->Signature = 0;
2188 
2189  /* Free the buffer and check for success */
2191  if (!NT_SUCCESS(Status))
2192  {
2194  *PartitionBuffer = NULL;
2195  }
2196 
2197  /* Return status */
2198  return Status;
2199 }
#define TAG_FILE_SYSTEM
Definition: tag.h:50
#define max(a, b)
Definition: svc.c:63
#define GET_STARTING_SECTOR(p)
Definition: hal.h:252
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
#define EFI_PMBR_OSTYPE_EFI
Definition: disksup.c:25
_In_ PFCB _In_ LONGLONG StartingOffset
Definition: cdprocs.h:290
struct _Entry Entry
Definition: kefuncs.h:627
PIRP NTAPI IoBuildSynchronousFsdRequest(IN ULONG MajorFunction, IN PDEVICE_OBJECT DeviceObject, IN PVOID Buffer, IN ULONG Length, IN PLARGE_INTEGER StartingOffset, IN PKEVENT Event, IN PIO_STATUS_BLOCK IoStatusBlock)
Definition: irp.c:1069
_In_ PIRP Irp
Definition: csq.h:116
#define TRUE
Definition: types.h:120
UCHAR JumpByte[1]
Definition: hal.h:301
unsigned char * PUCHAR
Definition: retypes.h:3
#define PARTITION_EZDRIVE
Definition: ntdddisk.h:289
LONG NTSTATUS
Definition: precomp.h:26
#define PARTITION_TABLE_OFFSET
Definition: hal.h:243
#define IsContainerPartition(PartitionType)
Definition: ntdddisk.h:316
ULONG BytesPerSector
Definition: ntdddisk.h:442
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:264
LARGE_INTEGER DiskSize
Definition: ntdddisk.h:447
#define PARTITION_ENTRY_UNUSED
Definition: disk.h:86
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define FALSE
Definition: types.h:117
long LONG
Definition: pedump.c:60
DISK_GEOMETRY Geometry
Definition: ntdddisk.h:446
_In_ PVOID _In_ ULONG Event
Definition: iotypes.h:450
_In_ ULONG _In_ BOOLEAN _Out_ struct _DRIVE_LAYOUT_INFORMATION ** PartitionBuffer
Definition: iofuncs.h:2048
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
#define SL_OVERRIDE_VERIFY_VOLUME
Definition: iotypes.h:1803
void DPRINT(...)
Definition: polytest.cpp:61
Definition: bufpool.h:45
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
int64_t LONGLONG
Definition: typedefs.h:68
#define GET_PARTITION_LENGTH(p)
Definition: hal.h:261
#define BOOT_RECORD_SIGNATURE
Definition: parttest.c:17
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define STATUS_PENDING
Definition: ntstatus.h:82
char CCHAR
Definition: typedefs.h:51
UCHAR PartitionType
Definition: hal.h:282
struct _PARTITION_DESCRIPTOR * PPARTITION_DESCRIPTOR
_In_ ULONG _In_ struct _SET_PARTITION_INFORMATION_EX * PartitionInfo
Definition: iofuncs.h:2101
#define BufferSize
Definition: mmc.h:75
MEDIA_TYPE MediaType
Definition: ntdddisk.h:439
#define PARTITION_FAT_16
Definition: disk.h:90
VOID NTAPI FstubFixupEfiPartition(IN PPARTITION_DESCRIPTOR PartitionDescriptor, IN ULONGLONG MaxOffset)
Definition: disksup.c:1750
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
unsigned char UCHAR
Definition: xmlstorage.h:181
Status
Definition: gdiplustypes.h:24
BOOLEAN NTAPI HalpIsValidPartitionEntry(IN PPARTITION_DESCRIPTOR Entry, IN ULONGLONG MaxOffset, IN ULONGLONG MaxSector)
Definition: disksup.c:1441
_In_ ULONG _In_ BOOLEAN ReturnRecognizedPartitions
Definition: iofuncs.h:2046
#define BOOT_SIGNATURE_OFFSET
Definition: hal.h:244
ULONG LowPart
Definition: typedefs.h:106
NTSTATUS NTAPI HalpGetFullGeometry(IN PDEVICE_OBJECT DeviceObject, OUT PDISK_GEOMETRY_EX Geometry)
Definition: disksup.c:1389
#define STATUS_NO_DATA_DETECTED
Definition: udferr_usr.h:131
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetNextIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2691
UCHAR ActiveFlag
Definition: hal.h:278
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_In_ PDEVICE_OBJECT DeviceObject
Definition: iotypes.h:2464
unsigned int * PULONG
Definition: retypes.h:1
NTSTATUS NTAPI IoCallDriver(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: irp.c:1218
#define DPRINT1
Definition: precomp.h:8
#define IRP_MJ_READ
Definition: rdpdr.c:46
CHAR PartitionType
Definition: part_xbox.c:32
#define NUM_PARTITION_TABLE_ENTRIES
Definition: hal.h:247
unsigned int ULONG
Definition: retypes.h:1
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
VOID FASTCALL HalExamineMBR(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MbrTypeIdentifier, OUT PVOID *MbrBuffer)
Definition: disksup.c:2688
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
_In_ ULONG SectorSize
Definition: halfuncs.h:291
IN BOOLEAN OUT PSTR Buffer
Definition: progress.h:34
return STATUS_SUCCESS
Definition: btrfs.c:3014
#define UInt32x32To64(a, b)
Definition: intsafe.h:250
int k
Definition: mpi.c:3369
unsigned short * PUSHORT
Definition: retypes.h:2
base of all file and directory entries
Definition: entries.h:82
struct _BOOT_SECTOR_INFO * PBOOT_SECTOR_INFO
LONGLONG QuadPart
Definition: typedefs.h:114
#define PAGED_CODE()

◆ xHalIoSetPartitionInformation()

NTSTATUS FASTCALL xHalIoSetPartitionInformation ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN ULONG  PartitionNumber,
IN ULONG  PartitionType 
)

Definition at line 2203 of file disksup.c.

2207 {
2208  PIRP Irp;
2209  KEVENT Event;
2211  NTSTATUS Status;
2212  LARGE_INTEGER Offset, VolumeOffset;
2213  PUCHAR Buffer = NULL;
2214  ULONG BufferSize;
2215  ULONG i = 0;
2216  ULONG Entry;
2217  PPARTITION_DESCRIPTOR PartitionDescriptor;
2218  BOOLEAN IsPrimary = TRUE, IsEzDrive = FALSE;
2219  PVOID MbrBuffer;
2220  PIO_STACK_LOCATION IoStackLocation;
2221 
2222  PAGED_CODE();
2223 
2224  VolumeOffset.QuadPart = Offset.QuadPart = 0;
2225 
2226  /* Normalize the buffer size */
2227  BufferSize = max(512, SectorSize);
2228 
2229  /* Check for EZ-Drive */
2231  if (MbrBuffer)
2232  {
2233  /* EZ-Drive found, bias the offset */
2234  IsEzDrive = TRUE;
2235  ExFreePoolWithTag(MbrBuffer, TAG_FILE_SYSTEM);
2236  Offset.QuadPart = 512;
2237  }
2238 
2239  /* Allocate our partition buffer */
2242 
2243  /* Initialize the event we'll use and loop partitions */
2245  do
2246  {
2247  /* Reset the event since we reuse it */
2248  KeClearEvent(&Event);
2249 
2250  /* Build the read IRP */
2252  DeviceObject,
2253  Buffer,
2254  BufferSize,
2255  &Offset,
2256  &Event,
2257  &IoStatusBlock);
2258  if (!Irp)
2259  {
2260  /* Fail */
2262  break;
2263  }
2264 
2265  /* Make sure to disable volume verification */
2266  IoStackLocation = IoGetNextIrpStackLocation(Irp);
2267  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
2268 
2269  /* Call the driver */
2271  if (Status == STATUS_PENDING)
2272  {
2273  /* Wait for completion */
2276  }
2277 
2278  /* Check for failure */
2279  if (!NT_SUCCESS(Status)) break;
2280 
2281  /* If we biased for EZ-Drive, unbias now */
2282  if (IsEzDrive && (Offset.QuadPart == 512)) Offset.QuadPart = 0;
2283 
2284  /* Make sure this is a valid MBR */
2286  {
2287  /* It's not, fail */
2289  break;
2290  }
2291 
2292  /* Get the partition descriptors and loop them */
2293  PartitionDescriptor = (PPARTITION_DESCRIPTOR)
2295  for (Entry = 1; Entry <= NUM_PARTITION_TABLE_ENTRIES; Entry++, PartitionDescriptor++)
2296  {
2297  /* Check if it's unused or a container partition */
2298  if ((PartitionDescriptor->PartitionType == PARTITION_ENTRY_UNUSED) ||
2299  (IsContainerPartition(PartitionDescriptor->PartitionType)))
2300  {
2301  /* Go to the next one */
2302  continue;
2303  }
2304 
2305  /* It's a valid partition, so increase the partition count */
2306  if (++i == PartitionNumber)
2307  {
2308  /* We found a match, set the type */
2309  PartitionDescriptor->PartitionType = (UCHAR)PartitionType;
2310 
2311  /* Reset the reusable event */
2312  KeClearEvent(&Event);
2313 
2314  /* Build the write IRP */
2316  DeviceObject,
2317  Buffer,
2318  BufferSize,
2319  &Offset,
2320  &Event,
2321  &IoStatusBlock);
2322  if (!Irp)
2323  {
2324  /* Fail */
2326  break;
2327  }
2328 
2329  /* Disable volume verification */
2330  IoStackLocation = IoGetNextIrpStackLocation(Irp);
2331  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
2332 
2333  /* Call the driver */
2335  if (Status == STATUS_PENDING)
2336  {
2337  /* Wait for completion */
2339  Executive,
2340  KernelMode,
2341  FALSE,
2342  NULL);
2344  }
2345 
2346  /* We're done, break out of the loop */
2347  break;
2348  }
2349  }
2350 
2351  /* If we looped all the partitions, break out */
2352  if (Entry <= NUM_PARTITION_TABLE_ENTRIES) break;
2353 
2354  /* Nothing found yet, get the partition array again */
2355  PartitionDescriptor = (PPARTITION_DESCRIPTOR)
2357  for (Entry = 1; Entry <= NUM_PARTITION_TABLE_ENTRIES; Entry++, PartitionDescriptor++)
2358  {
2359  /* Check if this was a container partition (we skipped these) */
2360  if (IsContainerPartition(PartitionDescriptor->PartitionType))
2361  {
2362  /* Update the partition offset */
2363  Offset.QuadPart = VolumeOffset.QuadPart +
2364  GET_STARTING_SECTOR(PartitionDescriptor) *
2365  SectorSize;
2366 
2367  /* If this was the primary partition, update the volume too */
2368  if (IsPrimary) VolumeOffset = Offset;
2369  break;
2370  }
2371  }
2372 
2373  /* Check if we already searched all the partitions */
2375  {
2376  /* Then we failed to find a good MBR */
2378  break;
2379  }
2380 
2381  /* Loop the next partitions, which are not primary anymore */
2382  IsPrimary = FALSE;
2383  } while (i < PartitionNumber);
2384 
2385  /* Everything done, cleanup */
2387  return Status;
2388 }
#define TAG_FILE_SYSTEM
Definition: tag.h:50
#define max(a, b)
Definition: svc.c:63
#define GET_STARTING_SECTOR(p)
Definition: hal.h:252
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
struct _Entry Entry
Definition: kefuncs.h:627
PIRP NTAPI IoBuildSynchronousFsdRequest(IN ULONG MajorFunction, IN PDEVICE_OBJECT DeviceObject, IN PVOID Buffer, IN ULONG Length, IN PLARGE_INTEGER StartingOffset, IN PKEVENT Event, IN PIO_STATUS_BLOCK IoStatusBlock)
Definition: irp.c:1069
_In_ PIRP Irp
Definition: csq.h:116
#define TRUE
Definition: types.h:120
unsigned char * PUCHAR
Definition: retypes.h:3
#define PARTITION_EZDRIVE
Definition: ntdddisk.h:289
LONG NTSTATUS
Definition: precomp.h:26
#define STATUS_BAD_MASTER_BOOT_RECORD
Definition: ntstatus.h:405
#define PARTITION_TABLE_OFFSET
Definition: hal.h:243
#define IsContainerPartition(PartitionType)
Definition: ntdddisk.h:316
_In_ ULONG _In_ ULONG PartitionNumber
Definition: iofuncs.h:2056
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
#define PARTITION_ENTRY_UNUSED
Definition: disk.h:86
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define FALSE
Definition: types.h:117
_In_ PVOID _In_ ULONG Event
Definition: iotypes.h:450
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
#define SL_OVERRIDE_VERIFY_VOLUME
Definition: iotypes.h:1803
Definition: bufpool.h:45
#define BOOT_RECORD_SIGNATURE
Definition: parttest.c:17
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define STATUS_PENDING
Definition: ntstatus.h:82
UCHAR PartitionType
Definition: hal.h:282
struct _PARTITION_DESCRIPTOR * PPARTITION_DESCRIPTOR
#define BufferSize
Definition: mmc.h:75
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
unsigned char UCHAR
Definition: xmlstorage.h:181
Status
Definition: gdiplustypes.h:24
#define BOOT_SIGNATURE_OFFSET
Definition: hal.h:244
#define PAGE_SIZE
Definition: env_spec_w32.h:49
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetNextIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2691
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_In_ PDEVICE_OBJECT DeviceObject
Definition: iotypes.h:2464
NTSTATUS NTAPI IoCallDriver(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: irp.c:1218
#define IRP_MJ_READ
Definition: rdpdr.c:46
CHAR PartitionType
Definition: part_xbox.c:32
#define NUM_PARTITION_TABLE_ENTRIES
Definition: hal.h:247
unsigned int ULONG
Definition: retypes.h:1
VOID FASTCALL HalExamineMBR(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MbrTypeIdentifier, OUT PVOID *MbrBuffer)
Definition: disksup.c:2688
#define IRP_MJ_WRITE
Definition: rdpdr.c:47
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
_In_ ULONG SectorSize
Definition: halfuncs.h:291
VOID NTAPI KeClearEvent(IN PKEVENT Event)
Definition: eventobj.c:22
unsigned short * PUSHORT
Definition: retypes.h:2
base of all file and directory entries
Definition: entries.h:82
LONGLONG QuadPart
Definition: typedefs.h:114
#define PAGED_CODE()

◆ xHalIoWritePartitionTable()

NTSTATUS FASTCALL xHalIoWritePartitionTable ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN ULONG  SectorsPerTrack,
IN ULONG  NumberOfHeads,
IN PDRIVE_LAYOUT_INFORMATION  PartitionBuffer 
)

Definition at line 2392 of file disksup.c.

2397 {
2398  KEVENT Event;
2400  PIRP Irp;
2402  ULONG BufferSize;
2403  PUSHORT Buffer;
2404  PPTE Entry;
2405  PPARTITION_TABLE PartitionTable;
2406  LARGE_INTEGER Offset, NextOffset, ExtendedOffset, SectorOffset;
2407  LARGE_INTEGER StartOffset, PartitionLength;
2408  ULONG i, j;
2409  CCHAR k;
2410  BOOLEAN IsEzDrive = FALSE, IsSuperFloppy = FALSE, DoRewrite = FALSE, IsMbr;
2411  ULONG ConventionalCylinders;
2412  LONGLONG DiskSize;
2414  PVOID MbrBuffer;
2416  PIO_STACK_LOCATION IoStackLocation;
2419 
2420  PAGED_CODE();
2421 
2422  ExtendedOffset.QuadPart = NextOffset.QuadPart = Offset.QuadPart = 0;
2423 
2424  /* Normalize the buffer size */
2425  BufferSize = max(512, SectorSize);
2426 
2427  /* Get the partial drive geometry */
2428  xHalGetPartialGeometry(DeviceObject, &ConventionalCylinders, &DiskSize);
2429 
2430  /* Check for EZ-Drive */
2432  if (MbrBuffer)
2433  {
2434  /* EZ-Drive found, bias the offset */
2435  IsEzDrive = TRUE;
2436  ExFreePoolWithTag(MbrBuffer, TAG_FILE_SYSTEM);
2437  Offset.QuadPart = 512;
2438  }
2439 
2440  /* Get the number of bits to shift to multiply by the sector size */
2441  for (k = 0; k < 32; k++) if ((SectorSize >> k) == 1) break;
2442 
2443  /* Check if there's only one partition */
2444  if (PartitionBuffer->PartitionCount == 1)
2445  {
2446  /* Check if it has no starting offset or hidden sectors */
2447  if (!(PartitionInfo->StartingOffset.QuadPart) &&
2448  !(PartitionInfo->HiddenSectors))
2449  {
2450  /* Then it's a super floppy */
2451  IsSuperFloppy = TRUE;
2452 
2453  /* Which also means it must be non-bootable FAT-16 */
2454  if ((PartitionInfo->PartitionNumber) ||
2455  (PartitionInfo->PartitionType != PARTITION_FAT_16) ||
2456  (PartitionInfo->BootIndicator))
2457  {
2458  /* It's not, so we fail */
2459  return STATUS_INVALID_PARAMETER;
2460  }
2461 
2462  /* Check if it needs a rewrite, and disable EZ-Drive for sure */
2463  if (PartitionInfo->RewritePartition) DoRewrite = TRUE;
2464  IsEzDrive = FALSE;
2465  }
2466  }
2467 
2468  /* Count the number of partition tables */
2470 
2471  /* Allocate our partition buffer */
2474 
2475  /* Loop the entries */
2477  for (i = 0; i < DiskLayout->TableCount; i++)
2478  {
2479  /* Set if this is the MBR partition */
2480  IsMbr= (BOOLEAN)!i;
2481 
2482  /* Initialize th event */
2484 
2485  /* Build the read IRP */
2487  DeviceObject,
2488  Buffer,
2489  BufferSize,
2490  &Offset,
2491  &Event,
2492  &IoStatusBlock);
2493  if (!Irp)
2494  {
2495  /* Fail */
2497  break;
2498  }
2499 
2500  /* Make sure to disable volume verification */
2501  IoStackLocation = IoGetNextIrpStackLocation(Irp);
2502  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
2503 
2504  /* Call the driver */
2506  if (Status == STATUS_PENDING)
2507  {
2508  /* Wait for completion */
2511  }
2512 
2513  /* Check for failure */
2514  if (!NT_SUCCESS(Status)) break;
2515 
2516  /* If we biased for EZ-Drive, unbias now */
2517  if (IsEzDrive && (Offset.QuadPart == 512)) Offset.QuadPart = 0;
2518 
2519  /* Check if this is a normal disk */
2520  if (!IsSuperFloppy)
2521  {
2522  /* Set the boot record signature */
2524 
2525  /* By default, don't require a rewrite */
2526  DoRewrite = FALSE;
2527 
2528  /* Check if we don't have an offset */
2529  if (!Offset.QuadPart)
2530  {
2531  /* Check if the signature doesn't match */
2532  if (((PULONG)Buffer)[PARTITION_TABLE_OFFSET / 2 - 1] !=
2533  PartitionBuffer->Signature)
2534  {
2535  /* Then write the signature and now we need a rewrite */
2536  ((PULONG)Buffer)[PARTITION_TABLE_OFFSET / 2 - 1] =
2537  PartitionBuffer->Signature;
2538  DoRewrite = TRUE;
2539  }
2540  }
2541 
2542  /* Loop the partition table entries */
2543  PartitionTable = &DiskLayout->PartitionTable[i];
2544  for (j = 0; j < NUM_PARTITION_TABLE_ENTRIES; j++)
2545  {
2546  /* Get the current entry and type */
2547  TableEntry = &PartitionTable->PartitionEntry[j];
2548  PartitionType = TableEntry->PartitionType;
2549 
2550  /* Check if the entry needs a rewrite */
2551  if (TableEntry->RewritePartition)
2552  {
2553  /* Then we need one too */
2554  DoRewrite = TRUE;
2555 
2556  /* Save the type and if it's a bootable partition */
2557  Entry[j].PartitionType = TableEntry->PartitionType;
2558  Entry[j].ActiveFlag = TableEntry->BootIndicator ? 0x80 : 0;
2559 
2560  /* Make sure it's used */
2562  {
2563  /* Make sure it's not a container (unless primary) */
2564  if ((IsMbr) || !(IsContainerPartition(PartitionType)))
2565  {
2566  /* Use the partition offset */
2567  StartOffset.QuadPart = Offset.QuadPart;
2568  }
2569  else
2570  {
2571  /* Use the extended logical partition offset */
2572  StartOffset.QuadPart = ExtendedOffset.QuadPart;
2573  }
2574 
2575  /* Set the sector offset */
2576  SectorOffset.QuadPart = TableEntry->
2577  StartingOffset.QuadPart -
2578  StartOffset.QuadPart;
2579 
2580  /* Now calculate the starting sector */
2581  StartOffset.QuadPart = SectorOffset.QuadPart >> k;
2582  Entry[j].StartingSector = StartOffset.LowPart;
2583 
2584  /* As well as the length */
2585  PartitionLength.QuadPart = TableEntry->PartitionLength.
2586  QuadPart >> k;
2587  Entry[j].PartitionLength = PartitionLength.LowPart;
2588 
2589  /* Calculate the CHS values */
2590  HalpCalculateChsValues(&TableEntry->StartingOffset,
2591  &TableEntry->PartitionLength,
2592  k,
2594  NumberOfHeads,
2595  ConventionalCylinders,
2597  &Entry[j]);
2598  }
2599  else
2600  {
2601  /* Otherwise set up an empty entry */
2602  Entry[j].StartingSector = 0;
2603  Entry[j].PartitionLength = 0;
2604  Entry[j].StartingTrack = 0;
2605  Entry[j].EndingTrack = 0;
2606  Entry[j].StartingCylinder = 0;
2607  Entry[j].EndingCylinder = 0;
2608  }
2609  }
2610 
2611  /* Check if this is a container partition */
2613  {
2614  /* Then update the offset to use */
2615  NextOffset = TableEntry->StartingOffset;
2616  }
2617  }
2618  }
2619 
2620  /* Check if we need to write back the buffer */
2621  if (DoRewrite)
2622  {
2623  /* We don't need to do this again */
2624  DoRewrite = FALSE;
2625 
2626  /* Initialize the event */
2628 
2629  /* If we unbiased for EZ-Drive, rebias now */
2630  if (IsEzDrive && !Offset.QuadPart) Offset.QuadPart = 512;
2631 
2632  /* Build the write IRP */
2634  DeviceObject,
2635  Buffer,
2636  BufferSize,
2637  &Offset,
2638  &Event,
2639  &IoStatusBlock);
2640  if (!Irp)
2641  {
2642  /* Fail */
2644  break;
2645  }
2646 
2647  /* Make sure to disable volume verification */
2648  IoStackLocation = IoGetNextIrpStackLocation(Irp);
2649  IoStackLocation->Flags |= SL_OVERRIDE_VERIFY_VOLUME;
2650 
2651  /* Call the driver */
2653  if (Status == STATUS_PENDING)
2654  {
2655  /* Wait for completion */
2657  Executive,
2658  KernelMode,
2659  FALSE,
2660  NULL);
2662  }
2663 
2664  /* Check for failure */
2665  if (!NT_SUCCESS(Status)) break;
2666 
2667  /* If we biased for EZ-Drive, unbias now */
2668  if (IsEzDrive && (Offset.QuadPart == 512)) Offset.QuadPart = 0;
2669  }
2670 
2671  /* Update the partition offset and set the extended offset if needed */
2672  Offset = NextOffset;
2673  if (IsMbr) ExtendedOffset = NextOffset;
2674  }
2675 
2676  /* If we had a buffer, free it, then return status */
2678  return Status;
2679 }
#define TAG_FILE_SYSTEM
Definition: tag.h:50
#define max(a, b)
Definition: svc.c:63
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
_In_ PFCB _In_ LONGLONG StartingOffset
Definition: cdprocs.h:290
struct _Entry Entry
Definition: kefuncs.h:627
Definition: hal.h:331
struct _PTE * PPTE
PIRP NTAPI IoBuildSynchronousFsdRequest(IN ULONG MajorFunction, IN PDEVICE_OBJECT DeviceObject, IN PVOID Buffer, IN ULONG Length, IN PLARGE_INTEGER StartingOffset, IN PKEVENT Event, IN PIO_STATUS_BLOCK IoStatusBlock)
Definition: irp.c:1069
_In_ PIRP Irp
Definition: csq.h:116
#define TRUE
Definition: types.h:120
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
VOID NTAPI HalpCalculateChsValues(IN PLARGE_INTEGER PartitionOffset, IN PLARGE_INTEGER PartitionLength, IN CCHAR ShiftCount, IN ULONG SectorsPerTrack, IN ULONG NumberOfTracks, IN ULONG ConventionalCylinders, OUT PPARTITION_DESCRIPTOR PartitionDescriptor)
Definition: disksup.c:1482
#define PARTITION_EZDRIVE
Definition: ntdddisk.h:289
LONG NTSTATUS
Definition: precomp.h:26
#define PARTITION_TABLE_OFFSET
Definition: hal.h:243
#define IsContainerPartition(PartitionType)
Definition: ntdddisk.h:316
_In_ ULONG _In_ ULONG _In_ ULONG NumberOfHeads
Definition: iofuncs.h:2066
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
struct _DISK_LAYOUT * PDISK_LAYOUT
PARTITION_INFORMATION PartitionEntry[4]
Definition: hal.h:318
#define PARTITION_ENTRY_UNUSED
Definition: disk.h:86
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
_In_ ULONG _In_ ULONG SectorsPerTrack
Definition: iofuncs.h:2066
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define FALSE
Definition: types.h:117
_In_ PVOID _In_ ULONG Event
Definition: iotypes.h:450
_In_ ULONG _In_ BOOLEAN _Out_ struct _DRIVE_LAYOUT_INFORMATION ** PartitionBuffer
Definition: iofuncs.h:2048
#define SectorOffset(L)
Definition: cdprocs.h:1622
unsigned char BOOLEAN
smooth NULL
Definition: ftsmooth.c:416
#define SL_OVERRIDE_VERIFY_VOLUME
Definition: iotypes.h:1803
Definition: bufpool.h:45
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
int64_t LONGLONG
Definition: typedefs.h:68
#define BOOT_RECORD_SIGNATURE
Definition: parttest.c:17
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define STATUS_PENDING
Definition: ntstatus.h:82
char CCHAR
Definition: typedefs.h:51
ULONG TableCount
Definition: hal.h:323
_In_ ULONG _In_ struct _SET_PARTITION_INFORMATION_EX * PartitionInfo
Definition: iofuncs.h:2101
#define BufferSize
Definition: mmc.h:75
PARTITION_TABLE PartitionTable[1]
Definition: hal.h:325
#define PARTITION_FAT_16
Definition: disk.h:90
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
unsigned char UCHAR
Definition: xmlstorage.h:181
Status
Definition: gdiplustypes.h:24
#define BOOT_SIGNATURE_OFFSET
Definition: hal.h:244
ULONG LowPart
Definition: typedefs.h:106
#define PAGE_SIZE
Definition: env_spec_w32.h:49
__drv_aliasesMem FORCEINLINE PIO_STACK_LOCATION IoGetNextIrpStackLocation(_In_ PIRP Irp)
Definition: iofuncs.h:2691
VOID FASTCALL xHalGetPartialGeometry(IN PDEVICE_OBJECT DeviceObject, IN PULONG ConventionalCylinders, IN PLONGLONG DiskSize)
Definition: disksup.c:1557
BOOLEAN IsSuperFloppy(IN PDISKENTRY DiskEntry)
Definition: partlist.c:680
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
_In_ PDEVICE_OBJECT DeviceObject
Definition: iotypes.h:2464
unsigned int * PULONG
Definition: retypes.h:1
NTSTATUS NTAPI IoCallDriver(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
Definition: irp.c:1218
_Must_inspect_result_ typedef _In_ ULONG TableEntry
Definition: iotypes.h:4282
#define IRP_MJ_READ
Definition: rdpdr.c:46
#define BOOLEAN
Definition: pedump.c:73
CHAR PartitionType
Definition: part_xbox.c:32
ret QuadPart
Definition: rtlfuncs.h:3091
#define NUM_PARTITION_TABLE_ENTRIES
Definition: hal.h:247
unsigned int ULONG
Definition: retypes.h:1
VOID FASTCALL HalExamineMBR(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MbrTypeIdentifier, OUT PVOID *MbrBuffer)
Definition: disksup.c:2688
#define IRP_MJ_WRITE
Definition: rdpdr.c:47
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
_In_ ULONG SectorSize
Definition: halfuncs.h:291
IN BOOLEAN OUT PSTR Buffer
Definition: progress.h:34
return STATUS_SUCCESS
Definition: btrfs.c:3014
int k
Definition: mpi.c:3369
unsigned short * PUSHORT
Definition: retypes.h:2
base of all file and directory entries
Definition: entries.h:82
LONGLONG QuadPart
Definition: typedefs.h:114
#define PAGED_CODE()

◆ xHalLocateHiberRanges()

VOID NTAPI xHalLocateHiberRanges ( IN PVOID  MemoryMap)

Definition at line 196 of file halstub.c.

197 {
198  /* Nothing */
199  return;
200 }

◆ xHalMirrorPhysicalMemory()

NTSTATUS NTAPI xHalMirrorPhysicalMemory ( IN PHYSICAL_ADDRESS  PhysicalAddress,
IN LARGE_INTEGER  NumberOfBytes 
)

Definition at line 153 of file halstub.c.

155 {
156  return STATUS_NOT_SUPPORTED;
157 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423

◆ xHalQueryBusSlots()

NTSTATUS NTAPI xHalQueryBusSlots ( IN PBUS_HANDLER  BusHandler,
IN ULONG  BufferSize,
OUT PULONG  SlotNumbers,
OUT PULONG  ReturnedLength 
)

Definition at line 161 of file halstub.c.

165 {
166  PAGED_CODE();
167 
168  return STATUS_NOT_SUPPORTED;
169 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423
#define PAGED_CODE()

◆ xHalQuerySystemInformation()

NTSTATUS NTAPI xHalQuerySystemInformation ( IN HAL_QUERY_INFORMATION_CLASS  InformationClass,
IN ULONG  BufferSize,
IN OUT PVOID  Buffer,
OUT PULONG  ReturnedLength 
)

Definition at line 184 of file halstub.c.

188 {
189  PAGED_CODE();
190 
191  return STATUS_INVALID_LEVEL;
192 }
#define STATUS_INVALID_LEVEL
Definition: ntstatus.h:564
#define PAGED_CODE()

◆ xHalReferenceHandler()

VOID FASTCALL xHalReferenceHandler ( IN PBUS_HANDLER  BusHandler)

Definition at line 114 of file halstub.c.

115 {
116  /* Nothing */
117  return;
118 }

◆ xHalRegisterBusHandler()

NTSTATUS NTAPI xHalRegisterBusHandler ( IN INTERFACE_TYPE  InterfaceType,
IN BUS_DATA_TYPE  ConfigSpace,
IN ULONG  BusNumber,
IN INTERFACE_TYPE  ParentInterfaceType,
IN ULONG  ParentBusNumber,
IN ULONG  ContextSize,
IN PINSTALL_BUS_HANDLER  InstallCallback,
OUT PBUS_HANDLER BusHandler 
)

Definition at line 204 of file halstub.c.

212 {
213  PAGED_CODE();
214 
215  return STATUS_NOT_SUPPORTED;
216 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423
#define PAGED_CODE()

◆ xHalSetSystemInformation()

NTSTATUS NTAPI xHalSetSystemInformation ( IN HAL_SET_INFORMATION_CLASS  InformationClass,
IN ULONG  BufferSize,
IN PVOID  Buffer 
)

Definition at line 173 of file halstub.c.

176 {
177  PAGED_CODE();
178 
179  return STATUS_INVALID_LEVEL;
180 }
#define STATUS_INVALID_LEVEL
Definition: ntstatus.h:564
#define PAGED_CODE()

◆ xHalSetWakeAlarm()

VOID NTAPI xHalSetWakeAlarm ( IN ULONGLONG  AlartTime,
IN PTIME_FIELDS  TimeFields 
)

Definition at line 220 of file halstub.c.

222 {
223  /* Nothing */
224  return;
225 }

◆ xHalSetWakeEnable()

VOID NTAPI xHalSetWakeEnable ( IN BOOLEAN  Enable)

Definition at line 98 of file halstub.c.

99 {
100  /* Nothing */
101  return;
102 }

◆ xHalStartMirroring()

NTSTATUS NTAPI xHalStartMirroring ( VOID  )

Definition at line 137 of file halstub.c.

138 {
139  PAGED_CODE();
140 
141  return STATUS_NOT_SUPPORTED;
142 }
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:423
#define PAGED_CODE()

◆ xHalTranslateBusAddress()

BOOLEAN NTAPI xHalTranslateBusAddress ( IN INTERFACE_TYPE  InterfaceType,
IN ULONG  BusNumber,
IN PHYSICAL_ADDRESS  BusAddress,
IN OUT PULONG  AddressSpace,
OUT PPHYSICAL_ADDRESS  TranslatedAddress 
)

Definition at line 229 of file halstub.c.

234 {
235  KeBugCheckEx(HAL_INITIALIZATION_FAILED, 0, 0, 0, 0);
236 
237  return FALSE;
238 }
#define FALSE
Definition: types.h:117
VOID NTAPI KeBugCheckEx(_In_ ULONG BugCheckCode, _In_ ULONG_PTR BugCheckParameter1, _In_ ULONG_PTR BugCheckParameter2, _In_ ULONG_PTR BugCheckParameter3, _In_ ULONG_PTR BugCheckParameter4)
Definition: rtlcompat.c:108

◆ xHalVectorToIDTEntry()

UCHAR NTAPI xHalVectorToIDTEntry ( IN ULONG  Vector)

Definition at line 33 of file halstub.c.

34 {
35  /* Return the vector */
36  return (UCHAR)Vector;
37 }
unsigned char UCHAR
Definition: xmlstorage.h:181
_In_ PKSERVICE_ROUTINE _In_opt_ PVOID _In_opt_ PKSPIN_LOCK _In_ ULONG Vector
Definition: iofuncs.h:798

◆ xKdGetAcpiTablePhase()

PVOID NTAPI xKdGetAcpiTablePhase ( IN struct _LOADER_PARAMETER_BLOCK LoaderBlock,
IN ULONG  Signature 
)

Definition at line 269 of file halstub.c.

271 {
272  return NULL;
273 }
smooth NULL
Definition: ftsmooth.c:416

◆ xKdReleasePciDeviceForDebugging()

NTSTATUS NTAPI xKdReleasePciDeviceForDebugging ( IN OUT PDEBUG_DEVICE_DESCRIPTOR  PciDevice)

Definition at line 262 of file halstub.c.

263 {
264  return STATUS_NOT_IMPLEMENTED;
265 }
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239

◆ xKdSetupPciDeviceForDebugging()

NTSTATUS NTAPI xKdSetupPciDeviceForDebugging ( IN PVOID LoaderBlock  OPTIONAL,
IN OUT PDEBUG_DEVICE_DESCRIPTOR  PciDevice 
)

Definition at line 254 of file halstub.c.

256 {
257  return STATUS_NOT_IMPLEMENTED;
258 }
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:239

◆ xKdUnmapVirtualAddress()

VOID NTAPI xKdUnmapVirtualAddress ( IN PVOID  VirtualAddress,
IN ULONG  NumberPages,
IN BOOLEAN  FlushCurrentTLB 
)

Definition at line 286 of file halstub.c.

289 {
290  /* Nothing */
291  return;
292 }