ReactOS 0.4.15-dev-8344-g0574987
part_xbox.c File Reference
#include "halxbox.h"
#include <internal/tag.h>
#include <debug.h>
Include dependency graph for part_xbox.c:

Go to the source code of this file.

Macros

#define NDEBUG
 
#define XBOX_SIGNATURE_SECTOR   3
 
#define XBOX_SIGNATURE   ('B' | ('R' << 8) | ('F' << 16) | ('R' << 24))
 
#define PARTITION_SIGNATURE   0xaa55
 
#define XBOX_PARTITION_COUNT   (sizeof(XboxPartitions) / sizeof(XboxPartitions[0]))
 
#define HalExamineMBR   HALDISPATCH->HalExamineMBR
 
#define HalIoReadPartitionTable   HALDISPATCH->HalIoReadPartitionTable
 
#define HalIoSetPartitionInformation   HALDISPATCH->HalIoSetPartitionInformation
 
#define HalIoWritePartitionTable   HALDISPATCH->HalIoWritePartitionTable
 

Functions

static NTSTATUS HalpXboxReadSector (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN PLARGE_INTEGER SectorOffset, OUT PVOID Sector)
 
static NTSTATUS FASTCALL HalpXboxDeviceHasXboxPartitioning (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, OUT BOOLEAN *HasXboxPartitioning)
 
static VOID FASTCALL HalpXboxExamineMBR (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MBRTypeIdentifier, OUT PVOID *Buffer)
 
static NTSTATUS FASTCALL HalpXboxIoReadPartitionTable (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN BOOLEAN ReturnRecognizedPartitions, OUT PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
 
static NTSTATUS FASTCALL HalpXboxIoSetPartitionInformation (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG PartitionNumber, IN ULONG PartitionType)
 
static NTSTATUS FASTCALL HalpXboxIoWritePartitionTable (IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG SectorsPerTrack, IN ULONG NumberOfHeads, IN PDRIVE_LAYOUT_INFORMATION PartitionBuffer)
 
void HalpXboxInitPartIo (void)
 

Variables

static pHalExamineMBR NtoskrnlExamineMBR
 
static pHalIoReadPartitionTable NtoskrnlIoReadPartitionTable
 
static pHalIoSetPartitionInformation NtoskrnlIoSetPartitionInformation
 
static pHalIoWritePartitionTable NtoskrnlIoWritePartitionTable
 
struct {
   ULONG   SectorStart
 
   ULONG   SectorCount
 
   CHAR   PartitionType
 
XboxPartitions []
 

Macro Definition Documentation

◆ HalExamineMBR

#define HalExamineMBR   HALDISPATCH->HalExamineMBR

Definition at line 325 of file part_xbox.c.

◆ HalIoReadPartitionTable

#define HalIoReadPartitionTable   HALDISPATCH->HalIoReadPartitionTable

Definition at line 326 of file part_xbox.c.

◆ HalIoSetPartitionInformation

#define HalIoSetPartitionInformation   HALDISPATCH->HalIoSetPartitionInformation

Definition at line 327 of file part_xbox.c.

◆ HalIoWritePartitionTable

#define HalIoWritePartitionTable   HALDISPATCH->HalIoWritePartitionTable

Definition at line 328 of file part_xbox.c.

◆ NDEBUG

#define NDEBUG

Definition at line 14 of file part_xbox.c.

◆ PARTITION_SIGNATURE

#define PARTITION_SIGNATURE   0xaa55

Definition at line 19 of file part_xbox.c.

◆ XBOX_PARTITION_COUNT

#define XBOX_PARTITION_COUNT   (sizeof(XboxPartitions) / sizeof(XboxPartitions[0]))

Definition at line 43 of file part_xbox.c.

◆ XBOX_SIGNATURE

#define XBOX_SIGNATURE   ('B' | ('R' << 8) | ('F' << 16) | ('R' << 24))

Definition at line 18 of file part_xbox.c.

◆ XBOX_SIGNATURE_SECTOR

#define XBOX_SIGNATURE_SECTOR   3

Definition at line 17 of file part_xbox.c.

Function Documentation

◆ HalpXboxDeviceHasXboxPartitioning()

static NTSTATUS FASTCALL HalpXboxDeviceHasXboxPartitioning ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
OUT BOOLEAN HasXboxPartitioning 
)
static

Definition at line 101 of file part_xbox.c.

104{
105 PVOID SectorData;
108 BOOLEAN HasMBRPartitioning;
109
110 DPRINT("HalpXboxDeviceHasXboxPartitioning(%p %lu %p)\n",
113 HasXboxPartitioning);
114
116 if (!SectorData)
117 {
118 return STATUS_NO_MEMORY;
119 }
120
121 Offset.QuadPart = 0;
123 if (!NT_SUCCESS(Status))
124 {
125 goto Cleanup;
126 }
127
128 HasMBRPartitioning = (*((USHORT *)SectorData + (SectorSize / sizeof(USHORT)) - 1) == PARTITION_SIGNATURE);
129 if (HasMBRPartitioning)
130 {
131 *HasXboxPartitioning = FALSE;
132 goto Cleanup;
133 }
134
137 if (!NT_SUCCESS(Status))
138 {
139 goto Cleanup;
140 }
141
142 DPRINT("Signature 0x%02x 0x%02x 0x%02x 0x%02x\n",
143 *((UCHAR *) SectorData), *((UCHAR *) SectorData + 1), *((UCHAR *) SectorData + 2), *((UCHAR *) SectorData + 3));
144 *HasXboxPartitioning = (XBOX_SIGNATURE == *((ULONG *) SectorData));
145Cleanup:
146 ExFreePoolWithTag(SectorData, TAG_HAL_XBOX);
147 if (NT_SUCCESS(Status))
148 {
149 DPRINT("%s partitioning found\n", *HasXboxPartitioning ? "Xbox" : "MBR");
150 }
151
152 return Status;
153}
unsigned char BOOLEAN
LONG NTSTATUS
Definition: precomp.h:26
#define FALSE
Definition: types.h:117
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:33
static const WCHAR Cleanup[]
Definition: register.c:80
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
#define PagedPool
Definition: env_spec_w32.h:308
Status
Definition: gdiplustypes.h:25
#define TAG_HAL_XBOX
Definition: halxbox.h:20
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1109
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define STATUS_NO_MEMORY
Definition: ntstatus.h:260
#define XBOX_SIGNATURE_SECTOR
Definition: part_xbox.c:17
static NTSTATUS HalpXboxReadSector(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN PLARGE_INTEGER SectorOffset, OUT PVOID Sector)
Definition: part_xbox.c:49
#define XBOX_SIGNATURE
Definition: part_xbox.c:18
#define PARTITION_SIGNATURE
Definition: part_xbox.c:19
unsigned short USHORT
Definition: pedump.c:61
#define DPRINT
Definition: sndvol32.h:73
uint32_t ULONG
Definition: typedefs.h:59
_In_ PDEVICE_OBJECT DeviceObject
Definition: wdfdevice.h:2055
_In_ ULONG SectorSize
Definition: halfuncs.h:291
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by HalpXboxExamineMBR(), HalpXboxIoReadPartitionTable(), HalpXboxIoSetPartitionInformation(), and HalpXboxIoWritePartitionTable().

◆ HalpXboxExamineMBR()

static VOID FASTCALL HalpXboxExamineMBR ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN ULONG  MBRTypeIdentifier,
OUT PVOID Buffer 
)
static

Definition at line 156 of file part_xbox.c.

160{
161 BOOLEAN HasXboxPartitioning;
163
164 DPRINT("HalpXboxExamineMBR(%p %lu %lx %p)\n",
168 Buffer);
169
170 *Buffer = NULL;
171
173 if (!NT_SUCCESS(Status))
174 {
175 return;
176 }
177
178 if (!HasXboxPartitioning)
179 {
180 DPRINT("Delegating to standard MBR code\n");
182 return;
183 }
184
185 /* Buffer already set to NULL */
186 return;
187}
Definition: bufpool.h:45
#define NULL
Definition: types.h:112
static NTSTATUS FASTCALL HalpXboxDeviceHasXboxPartitioning(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, OUT BOOLEAN *HasXboxPartitioning)
Definition: part_xbox.c:101
static pHalExamineMBR NtoskrnlExamineMBR
Definition: part_xbox.c:23
_In_ ULONG _In_ ULONG MBRTypeIdentifier
Definition: halfuncs.h:292

Referenced by HalpXboxInitPartIo().

◆ HalpXboxInitPartIo()

void HalpXboxInitPartIo ( void  )

Definition at line 331 of file part_xbox.c.

332{
341}
static pHalIoWritePartitionTable NtoskrnlIoWritePartitionTable
Definition: part_xbox.c:26
static NTSTATUS FASTCALL HalpXboxIoReadPartitionTable(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN BOOLEAN ReturnRecognizedPartitions, OUT PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
Definition: part_xbox.c:190
static VOID FASTCALL HalpXboxExamineMBR(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG MBRTypeIdentifier, OUT PVOID *Buffer)
Definition: part_xbox.c:156
#define HalIoWritePartitionTable
Definition: part_xbox.c:328
static NTSTATUS FASTCALL HalpXboxIoSetPartitionInformation(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG PartitionNumber, IN ULONG PartitionType)
Definition: part_xbox.c:257
#define HalExamineMBR
Definition: part_xbox.c:325
#define HalIoSetPartitionInformation
Definition: part_xbox.c:327
#define HalIoReadPartitionTable
Definition: part_xbox.c:326
static NTSTATUS FASTCALL HalpXboxIoWritePartitionTable(IN PDEVICE_OBJECT DeviceObject, IN ULONG SectorSize, IN ULONG SectorsPerTrack, IN ULONG NumberOfHeads, IN PDRIVE_LAYOUT_INFORMATION PartitionBuffer)
Definition: part_xbox.c:290
static pHalIoReadPartitionTable NtoskrnlIoReadPartitionTable
Definition: part_xbox.c:24
static pHalIoSetPartitionInformation NtoskrnlIoSetPartitionInformation
Definition: part_xbox.c:25

Referenced by HalpInitPhase0().

◆ HalpXboxIoReadPartitionTable()

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

Definition at line 190 of file part_xbox.c.

194{
195 BOOLEAN HasXboxPartitioning;
197 ULONG Part;
198 PPARTITION_INFORMATION PartInfo;
199
200 DPRINT("HalpXboxIoReadPartitionTable(%p %lu %x %p)\n",
205
207 if (!NT_SUCCESS(Status))
208 {
209 return Status;
210 }
211
212 if (!HasXboxPartitioning)
213 {
214 DPRINT("Delegating to standard MBR code\n");
217 }
218
220 PagedPool,
224 if (*PartitionBuffer == NULL)
225 {
226 return STATUS_NO_MEMORY;
227 }
228 (*PartitionBuffer)->PartitionCount = XBOX_PARTITION_COUNT;
229 (*PartitionBuffer)->Signature = PARTITION_SIGNATURE;
230 for (Part = 0; Part < XBOX_PARTITION_COUNT; Part++)
231 {
232 PartInfo = (*PartitionBuffer)->PartitionEntry + Part;
237 PartInfo->HiddenSectors = 0;
238 PartInfo->PartitionNumber = Part + 1;
239 PartInfo->PartitionType = XboxPartitions[Part].PartitionType;
240 PartInfo->BootIndicator = FALSE;
241 PartInfo->RecognizedPartition = TRUE;
242 PartInfo->RewritePartition = FALSE;
243 DPRINT(" %ld: nr: %d boot: %1x type: %x start: 0x%I64x count: 0x%I64x rec: %d\n",
244 Part,
245 PartInfo->PartitionNumber,
246 PartInfo->BootIndicator,
247 PartInfo->PartitionType,
248 PartInfo->StartingOffset.QuadPart,
249 PartInfo->PartitionLength.QuadPart,
250 PartInfo->RecognizedPartition);
251 }
252
253 return STATUS_SUCCESS;
254}
#define TRUE
Definition: types.h:120
struct _DRIVE_LAYOUT_INFORMATION * PDRIVE_LAYOUT_INFORMATION
struct _PARTITION_INFORMATION PARTITION_INFORMATION
#define XBOX_PARTITION_COUNT
Definition: part_xbox.c:43
ULONG SectorStart
Definition: part_xbox.c:30
ULONG SectorCount
Definition: part_xbox.c:31
static struct @1537 XboxPartitions[]
#define STATUS_SUCCESS
Definition: shellext.h:65
LARGE_INTEGER StartingOffset
Definition: ntdddisk.h:408
LARGE_INTEGER PartitionLength
Definition: ntdddisk.h:409
BOOLEAN RecognizedPartition
Definition: ntdddisk.h:414
BOOLEAN RewritePartition
Definition: ntdddisk.h:415
#define TAG_FILE_SYSTEM
Definition: tag.h:65
uint64_t ULONGLONG
Definition: typedefs.h:67
LONGLONG QuadPart
Definition: typedefs.h:114
_In_ ULONG _In_ BOOLEAN ReturnRecognizedPartitions
Definition: iofuncs.h:2051
_In_ ULONG _In_ BOOLEAN _Out_ struct _DRIVE_LAYOUT_INFORMATION ** PartitionBuffer
Definition: iofuncs.h:2052

Referenced by HalpXboxInitPartIo().

◆ HalpXboxIoSetPartitionInformation()

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

Definition at line 257 of file part_xbox.c.

261{
262 BOOLEAN HasXboxPartitioning;
264
265 DPRINT("HalpXboxIoSetPartitionInformation(%p %lu %lu %lu)\n",
270
272 if (!NT_SUCCESS(Status))
273 {
274 return Status;
275 }
276
277 if (!HasXboxPartitioning)
278 {
279 DPRINT("Delegating to standard MBR code\n");
282 }
283
284 /* Can't change the partitioning */
285 DPRINT1("Xbox partitions are fixed, can't change them\n");
287}
#define DPRINT1
Definition: precomp.h:8
CHAR PartitionType
Definition: part_xbox.c:32
#define STATUS_ACCESS_DENIED
Definition: udferr_usr.h:145
_In_ ULONG _In_ ULONG PartitionNumber
Definition: iofuncs.h:2061

Referenced by HalpXboxInitPartIo().

◆ HalpXboxIoWritePartitionTable()

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

Definition at line 290 of file part_xbox.c.

295{
296 BOOLEAN HasXboxPartitioning;
298
299 DPRINT("HalpXboxIoWritePartitionTable(%p %lu %lu %lu %p)\n",
305
307 if (!NT_SUCCESS(Status))
308 {
309 return Status;
310 }
311
312 if (!HasXboxPartitioning)
313 {
314 DPRINT("Delegating to standard MBR code\n");
318 }
319
320 /* Can't change the partitioning */
321 DPRINT1("Xbox partitions are fixed, can't change them\n");
323}
_In_ ULONG _In_ ULONG _In_ ULONG NumberOfHeads
Definition: iofuncs.h:2072
_In_ ULONG _In_ ULONG SectorsPerTrack
Definition: iofuncs.h:2071

Referenced by HalpXboxInitPartIo().

◆ HalpXboxReadSector()

static NTSTATUS HalpXboxReadSector ( IN PDEVICE_OBJECT  DeviceObject,
IN ULONG  SectorSize,
IN PLARGE_INTEGER  SectorOffset,
OUT PVOID  Sector 
)
static

Definition at line 49 of file part_xbox.c.

53{
54 IO_STATUS_BLOCK StatusBlock;
56 PIRP Irp;
58
59 DPRINT("HalpXboxReadSector(%p %lu 0x%08x%08x %p)\n",
60 DeviceObject, SectorSize, SectorOffset->u.HighPart, SectorOffset->u.LowPart, Sector);
61
63 ASSERT(Sector);
64
67 FALSE);
68
69 /* Read the sector */
72 Sector,
75 &Event,
76 &StatusBlock);
78
80 Irp);
82 {
86 FALSE,
87 NULL);
88 Status = StatusBlock.Status;
89 }
90
91 if (!NT_SUCCESS(Status))
92 {
93 DPRINT("Reading sector failed (Status 0x%08lx)\n", Status);
94 return Status;
95 }
96
97 return Status;
98}
#define SectorOffset(L)
Definition: cdprocs.h:1622
_In_ PIRP Irp
Definition: csq.h:116
#define KeWaitForSingleObject(pEvt, foo, a, b, c)
Definition: env_spec_w32.h:478
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
#define ASSERT(a)
Definition: mode.c:44
#define KernelMode
Definition: asm.h:34
@ NotificationEvent
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
#define IoCallDriver
Definition: irp.c:1225
#define STATUS_PENDING
Definition: ntstatus.h:82
#define IRP_MJ_READ
Definition: rdpdr.c:46
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
@ Executive
Definition: ketypes.h:415

Referenced by HalpXboxDeviceHasXboxPartitioning().

Variable Documentation

◆ NtoskrnlExamineMBR

pHalExamineMBR NtoskrnlExamineMBR
static

Definition at line 23 of file part_xbox.c.

Referenced by HalpXboxExamineMBR(), and HalpXboxInitPartIo().

◆ NtoskrnlIoReadPartitionTable

pHalIoReadPartitionTable NtoskrnlIoReadPartitionTable
static

Definition at line 24 of file part_xbox.c.

Referenced by HalpXboxInitPartIo(), and HalpXboxIoReadPartitionTable().

◆ NtoskrnlIoSetPartitionInformation

pHalIoSetPartitionInformation NtoskrnlIoSetPartitionInformation
static

Definition at line 25 of file part_xbox.c.

Referenced by HalpXboxInitPartIo(), and HalpXboxIoSetPartitionInformation().

◆ NtoskrnlIoWritePartitionTable

pHalIoWritePartitionTable NtoskrnlIoWritePartitionTable
static

Definition at line 26 of file part_xbox.c.

Referenced by HalpXboxInitPartIo(), and HalpXboxIoWritePartitionTable().

◆ PartitionType

◆ SectorCount

◆ SectorStart

ULONG SectorStart

Definition at line 30 of file part_xbox.c.

Referenced by HalpXboxIoReadPartitionTable().

◆ 

struct { ... } XboxPartitions[]
Initial value:
=
{
{ 0x0055F400, 0x0098f800, PARTITION_FAT32 },
{ 0x00465400, 0x000FA000, PARTITION_FAT_16 },
{ 0x00000400, 0x00177000, PARTITION_FAT_16 },
{ 0x00177400, 0x00177000, PARTITION_FAT_16 },
{ 0x002EE400, 0x00177000, PARTITION_FAT_16 }
}
#define PARTITION_FAT32
Definition: disk.h:95
#define PARTITION_FAT_16
Definition: disk.h:90

Referenced by HalpXboxIoReadPartitionTable().