disk.h File Reference

#include <reactos/rosioctl.h>
#include <pshpack1.h>
#include <poppack.h>

Include dependency graph for disk.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	_GEOMETRY
struct	_EXTENDED_GEOMETRY
struct	_PARTITION_TABLE_ENTRY
struct	_MASTER_BOOT_RECORD

Macros
#define	PARTITION_ENTRY_UNUSED   0x00
#define	PARTITION_FAT_12   0x01
#define	PARTITION_XENIX_1   0x02
#define	PARTITION_XENIX_2   0x03
#define	PARTITION_FAT_16   0x04
#define	PARTITION_EXTENDED   0x05
#define	PARTITION_HUGE   0x06
#define	PARTITION_IFS   0x07
#define	PARTITION_OS2BOOTMGR   0x0A
#define	PARTITION_FAT32   0x0B
#define	PARTITION_FAT32_XINT13   0x0C
#define	PARTITION_XINT13   0x0E
#define	PARTITION_XINT13_EXTENDED   0x0F
#define	PARTITION_NTFS   0x17
#define	PARTITION_PREP   0x41
#define	PARTITION_LDM   0x42
#define	PARTITION_UNIX   0x63
#define	VALID_NTFT   0xC0
#define	PARTITION_NTFT   0x80

Typedefs
typedef struct _GEOMETRY	GEOMETRY
typedef struct _GEOMETRY *	PGEOMETRY
typedef struct _EXTENDED_GEOMETRY	EXTENDED_GEOMETRY
typedef struct _EXTENDED_GEOMETRY *	PEXTENDED_GEOMETRY
typedef struct _PARTITION_TABLE_ENTRY	PARTITION_TABLE_ENTRY
typedef struct _PARTITION_TABLE_ENTRY *	PPARTITION_TABLE_ENTRY
typedef struct _MASTER_BOOT_RECORD	MASTER_BOOT_RECORD
typedef struct _MASTER_BOOT_RECORD *	PMASTER_BOOT_RECORD
typedef BOOLEAN(*	DISK_GET_PARTITION_ENTRY) (UCHAR DriveNumber, ULONG PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)

Functions
VOID	DiskReportError (BOOLEAN bError)
VOID	DiskError (PCSTR ErrorString, ULONG ErrorCode)
PCSTR	DiskGetErrorCodeString (ULONG ErrorCode)
BOOLEAN	DiskIsDriveRemovable (UCHAR DriveNumber)
BOOLEAN	DiskGetBootPath (OUT PCHAR BootPath, IN ULONG Size)
BOOLEAN	DiskGetActivePartitionEntry (UCHAR DriveNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry, ULONG *ActivePartition)
BOOLEAN	DiskGetMbrPartitionEntry (UCHAR DriveNumber, ULONG PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)
BOOLEAN	DiskGetFirstPartitionEntry (PMASTER_BOOT_RECORD MasterBootRecord, PPARTITION_TABLE_ENTRY PartitionTableEntry)
BOOLEAN	DiskGetFirstExtendedPartitionEntry (PMASTER_BOOT_RECORD MasterBootRecord, PPARTITION_TABLE_ENTRY PartitionTableEntry)
BOOLEAN	DiskReadBootRecord (UCHAR DriveNumber, ULONGLONG LogicalSectorNumber, PMASTER_BOOT_RECORD BootRecord)
ULONG	LoadBootDeviceDriver (VOID)

Variables
UCHAR	FrldrBootDrive
ULONG	FrldrBootPartition
CHAR	FrldrBootPath [MAX_PATH]
PVOID	DiskReadBuffer
SIZE_T	DiskReadBufferSize
DISK_GET_PARTITION_ENTRY	DiskGetPartitionEntry

Macro Definition Documentation

PARTITION_ENTRY_UNUSED

#define PARTITION_ENTRY_UNUSED   0x00

Definition at line 86 of file disk.h.

PARTITION_EXTENDED

#define PARTITION_EXTENDED   0x05

Definition at line 91 of file disk.h.

PARTITION_FAT32

#define PARTITION_FAT32   0x0B

Definition at line 95 of file disk.h.

PARTITION_FAT32_XINT13

#define PARTITION_FAT32_XINT13   0x0C

Definition at line 96 of file disk.h.

PARTITION_FAT_12

#define PARTITION_FAT_12   0x01

Definition at line 87 of file disk.h.

PARTITION_FAT_16

#define PARTITION_FAT_16   0x04

Definition at line 90 of file disk.h.

PARTITION_HUGE

#define PARTITION_HUGE   0x06

Definition at line 92 of file disk.h.

PARTITION_IFS

#define PARTITION_IFS   0x07

Definition at line 93 of file disk.h.

PARTITION_LDM

#define PARTITION_LDM   0x42

Definition at line 101 of file disk.h.

PARTITION_NTFS

#define PARTITION_NTFS   0x17

Definition at line 99 of file disk.h.

PARTITION_NTFT

#define PARTITION_NTFT   0x80

Definition at line 104 of file disk.h.

PARTITION_OS2BOOTMGR

#define PARTITION_OS2BOOTMGR   0x0A

Definition at line 94 of file disk.h.

PARTITION_PREP

#define PARTITION_PREP   0x41

Definition at line 100 of file disk.h.

PARTITION_UNIX

#define PARTITION_UNIX   0x63

Definition at line 102 of file disk.h.

PARTITION_XENIX_1

#define PARTITION_XENIX_1   0x02

Definition at line 88 of file disk.h.

PARTITION_XENIX_2

#define PARTITION_XENIX_2   0x03

Definition at line 89 of file disk.h.

PARTITION_XINT13

#define PARTITION_XINT13   0x0E

Definition at line 97 of file disk.h.

PARTITION_XINT13_EXTENDED

#define PARTITION_XINT13_EXTENDED   0x0F

Definition at line 98 of file disk.h.

VALID_NTFT

#define VALID_NTFT   0xC0

Definition at line 103 of file disk.h.

Typedef Documentation

DISK_GET_PARTITION_ENTRY

typedef BOOLEAN(* DISK_GET_PARTITION_ENTRY) (UCHAR DriveNumber, ULONG PartitionNumber, PPARTITION_TABLE_ENTRY PartitionTableEntry)

Definition at line 150 of file disk.h.

EXTENDED_GEOMETRY

typedef struct _EXTENDED_GEOMETRY EXTENDED_GEOMETRY

GEOMETRY

typedef struct _GEOMETRY GEOMETRY

MASTER_BOOT_RECORD

typedef struct _MASTER_BOOT_RECORD MASTER_BOOT_RECORD

PARTITION_TABLE_ENTRY

typedef struct _PARTITION_TABLE_ENTRY PARTITION_TABLE_ENTRY

PEXTENDED_GEOMETRY

typedef struct _EXTENDED_GEOMETRY * PEXTENDED_GEOMETRY

PGEOMETRY

typedef struct _GEOMETRY * PGEOMETRY

PMASTER_BOOT_RECORD

typedef struct _MASTER_BOOT_RECORD * PMASTER_BOOT_RECORD

PPARTITION_TABLE_ENTRY

typedef struct _PARTITION_TABLE_ENTRY * PPARTITION_TABLE_ENTRY

Function Documentation

DiskError()

VOID DiskError	(	PCSTR	ErrorString,
		ULONG	ErrorCode
	)

Definition at line 38 of file disk.c.

{
    CHAR ErrorCodeString[200];

    if (bReportError == FALSE)
        return;

    sprintf(ErrorCodeString, "%s\n\nError Code: 0x%lx\nError: %s",
            ErrorString, ErrorCode, DiskGetErrorCodeString(ErrorCode));

    TRACE("%s\n", ErrorCodeString);

    UiMessageBox(ErrorCodeString);
}

Referenced by PcDiskReadLogicalSectorsCHS().

DiskGetActivePartitionEntry()

BOOLEAN DiskGetActivePartitionEntry	(	UCHAR	DriveNumber,
		PPARTITION_TABLE_ENTRY	PartitionTableEntry,
		ULONG *	ActivePartition
	)

Definition at line 35 of file partition.c.

{
    ULONG BootablePartitionCount = 0;
    ULONG CurrentPartitionNumber;
    ULONG Index;
    MASTER_BOOT_RECORD MasterBootRecord;
    PPARTITION_TABLE_ENTRY ThisPartitionTableEntry;

    *ActivePartition = 0;

    // Read master boot record
    if (!DiskReadBootRecord(DriveNumber, 0, &MasterBootRecord))
    {
        return FALSE;
    }

    CurrentPartitionNumber = 0;
    for (Index=0; Index<4; Index++)
    {
        ThisPartitionTableEntry = &MasterBootRecord.PartitionTable[Index];

        if (ThisPartitionTableEntry->SystemIndicator != PARTITION_ENTRY_UNUSED &&
            ThisPartitionTableEntry->SystemIndicator != PARTITION_EXTENDED &&
            ThisPartitionTableEntry->SystemIndicator != PARTITION_XINT13_EXTENDED)
        {
            CurrentPartitionNumber++;

            // Test if this is the bootable partition
            if (ThisPartitionTableEntry->BootIndicator == 0x80)
            {
                BootablePartitionCount++;
                *ActivePartition = CurrentPartitionNumber;

                // Copy the partition table entry
                RtlCopyMemory(PartitionTableEntry,
                              ThisPartitionTableEntry,
                              sizeof(PARTITION_TABLE_ENTRY));
            }
        }
    }

    // Make sure there was only one bootable partition
    if (BootablePartitionCount == 0)
    {
        ERR("No bootable (active) partitions found.\n");
        return FALSE;
    }
    else if (BootablePartitionCount != 1)
    {
        ERR("Too many bootable (active) partitions found.\n");
        return FALSE;
    }

    return TRUE;
}

Referenced by DiskGetBootPath().

DiskGetBootPath()

BOOLEAN DiskGetBootPath	(	OUT PCHAR	BootPath,
		IN ULONG	Size
	)

Definition at line 102 of file disk.c.

{
    if (*FrldrBootPath)
        goto Done;

    /* 0x49 is our magic ramdisk drive, so try to detect it first */
    if (FrldrBootDrive == 0x49)
    {
        /* This is the ramdisk. See ArmDiskGetBootPath too... */
        // sprintf(FrldrBootPath, "ramdisk(%u)", 0);
        strcpy(FrldrBootPath, "ramdisk(0)");
    }
    else if (FrldrBootDrive < 0x80)
    {
        /* This is a floppy */
        sprintf(FrldrBootPath, "multi(0)disk(0)fdisk(%u)", FrldrBootDrive);
    }
    else if (FrldrBootPartition == 0xFF)
    {
        /* Boot Partition 0xFF is the magic value that indicates booting from CD-ROM (see isoboot.S) */
        sprintf(FrldrBootPath, "multi(0)disk(0)cdrom(%u)", FrldrBootDrive - 0x80);
    }
    else
    {
        ULONG BootPartition;
        PARTITION_TABLE_ENTRY PartitionEntry;

        /* This is a hard disk */
        if (!DiskGetActivePartitionEntry(FrldrBootDrive, &PartitionEntry, &BootPartition))
        {
            ERR("Invalid active partition information\n");
            return FALSE;
        }

        FrldrBootPartition = BootPartition;

        sprintf(FrldrBootPath, "multi(0)disk(0)rdisk(%u)partition(%lu)",
                FrldrBootDrive - 0x80, FrldrBootPartition);
    }

Done:
    /* Copy back the buffer */
    if (Size < strlen(FrldrBootPath) + 1)
        return FALSE;
    strncpy(BootPath, FrldrBootPath, Size);
    return TRUE;
}

Referenced by PcDiskGetBootPath(), and XboxMachInit().

DiskGetErrorCodeString()

PCSTR DiskGetErrorCodeString

(

ULONG

ErrorCode

)

Definition at line 53 of file disk.c.

{
    switch (ErrorCode)
    {
    case 0x00:  return "no error";
    case 0x01:  return "bad command passed to driver";
    case 0x02:  return "address mark not found or bad sector";
    case 0x03:  return "diskette write protect error";
    case 0x04:  return "sector not found";
    case 0x05:  return "fixed disk reset failed";
    case 0x06:  return "diskette changed or removed";
    case 0x07:  return "bad fixed disk parameter table";
    case 0x08:  return "DMA overrun";
    case 0x09:  return "DMA access across 64k boundary";
    case 0x0A:  return "bad fixed disk sector flag";
    case 0x0B:  return "bad fixed disk cylinder";
    case 0x0C:  return "unsupported track/invalid media";
    case 0x0D:  return "invalid number of sectors on fixed disk format";
    case 0x0E:  return "fixed disk controlled data address mark detected";
    case 0x0F:  return "fixed disk DMA arbitration level out of range";
    case 0x10:  return "ECC/CRC error on disk read";
    case 0x11:  return "recoverable fixed disk data error, data fixed by ECC";
    case 0x20:  return "controller error (NEC for floppies)";
    case 0x40:  return "seek failure";
    case 0x80:  return "time out, drive not ready";
    case 0xAA:  return "fixed disk drive not ready";
    case 0xBB:  return "fixed disk undefined error";
    case 0xCC:  return "fixed disk write fault on selected drive";
    case 0xE0:  return "fixed disk status error/Error reg = 0";
    case 0xFF:  return "sense operation failed";

    default:  return "unknown error code";
    }
}

Referenced by DiskError().

DiskGetFirstExtendedPartitionEntry()

BOOLEAN DiskGetFirstExtendedPartitionEntry	(	PMASTER_BOOT_RECORD	MasterBootRecord,
		PPARTITION_TABLE_ENTRY	PartitionTableEntry
	)

Definition at line 197 of file partition.c.

{
    ULONG Index;

    for (Index=0; Index<4; Index++)
    {
        // Check the system indicator
        // If it an extended partition then we're done
        if ((MasterBootRecord->PartitionTable[Index].SystemIndicator == PARTITION_EXTENDED) ||
            (MasterBootRecord->PartitionTable[Index].SystemIndicator == PARTITION_XINT13_EXTENDED))
        {
            RtlCopyMemory(PartitionTableEntry, &MasterBootRecord->PartitionTable[Index], sizeof(PARTITION_TABLE_ENTRY));
            return TRUE;
        }
    }

    return FALSE;
}

Referenced by DiskGetMbrPartitionEntry().

DiskGetFirstPartitionEntry()

BOOLEAN DiskGetFirstPartitionEntry	(	PMASTER_BOOT_RECORD	MasterBootRecord,
		PPARTITION_TABLE_ENTRY	PartitionTableEntry
	)

Definition at line 176 of file partition.c.

{
    ULONG Index;

    for (Index=0; Index<4; Index++)
    {
        // Check the system indicator
        // If it's not an extended or unused partition
        // then we're done
        if ((MasterBootRecord->PartitionTable[Index].SystemIndicator != PARTITION_ENTRY_UNUSED) &&
            (MasterBootRecord->PartitionTable[Index].SystemIndicator != PARTITION_EXTENDED) &&
            (MasterBootRecord->PartitionTable[Index].SystemIndicator != PARTITION_XINT13_EXTENDED))
        {
            RtlCopyMemory(PartitionTableEntry, &MasterBootRecord->PartitionTable[Index], sizeof(PARTITION_TABLE_ENTRY));
            return TRUE;
        }
    }

    return FALSE;
}

Referenced by DiskGetMbrPartitionEntry().

DiskGetMbrPartitionEntry()

BOOLEAN DiskGetMbrPartitionEntry	(	UCHAR	DriveNumber,
		ULONG	PartitionNumber,
		PPARTITION_TABLE_ENTRY	PartitionTableEntry
	)

Definition at line 93 of file partition.c.

{
    MASTER_BOOT_RECORD MasterBootRecord;
    PARTITION_TABLE_ENTRY ExtendedPartitionTableEntry;
    ULONG ExtendedPartitionNumber;
    ULONG ExtendedPartitionOffset;
    ULONG Index;
    ULONG CurrentPartitionNumber;
    PPARTITION_TABLE_ENTRY ThisPartitionTableEntry;

    // Read master boot record
    if (!DiskReadBootRecord(DriveNumber, 0, &MasterBootRecord))
    {
        return FALSE;
    }

    CurrentPartitionNumber = 0;
    for (Index=0; Index<4; Index++)
    {
        ThisPartitionTableEntry = &MasterBootRecord.PartitionTable[Index];

        if (ThisPartitionTableEntry->SystemIndicator != PARTITION_ENTRY_UNUSED &&
            ThisPartitionTableEntry->SystemIndicator != PARTITION_EXTENDED &&
            ThisPartitionTableEntry->SystemIndicator != PARTITION_XINT13_EXTENDED)
        {
            CurrentPartitionNumber++;
        }

        if (PartitionNumber == CurrentPartitionNumber)
        {
            RtlCopyMemory(PartitionTableEntry, ThisPartitionTableEntry, sizeof(PARTITION_TABLE_ENTRY));
            return TRUE;
        }
    }

    // They want an extended partition entry so we will need
    // to loop through all the extended partitions on the disk
    // and return the one they want.

    ExtendedPartitionNumber = PartitionNumber - CurrentPartitionNumber - 1;

    // Set the initial relative starting sector to 0
    // This is because extended partition starting
    // sectors a numbered relative to their parent
    ExtendedPartitionOffset = 0;

    for (Index=0; Index<=ExtendedPartitionNumber; Index++)
    {
        // Get the extended partition table entry
        if (!DiskGetFirstExtendedPartitionEntry(&MasterBootRecord, &ExtendedPartitionTableEntry))
        {
            return FALSE;
        }

        // Adjust the relative starting sector of the partition
        ExtendedPartitionTableEntry.SectorCountBeforePartition += ExtendedPartitionOffset;
        if (ExtendedPartitionOffset == 0)
        {
            // Set the start of the parrent extended partition
            ExtendedPartitionOffset = ExtendedPartitionTableEntry.SectorCountBeforePartition;
        }
        // Read the partition boot record
        if (!DiskReadBootRecord(DriveNumber, ExtendedPartitionTableEntry.SectorCountBeforePartition, &MasterBootRecord))
        {
            return FALSE;
        }

        // Get the first real partition table entry
        if (!DiskGetFirstPartitionEntry(&MasterBootRecord, PartitionTableEntry))
        {
            return FALSE;
        }

        // Now correct the start sector of the partition
        PartitionTableEntry->SectorCountBeforePartition += ExtendedPartitionTableEntry.SectorCountBeforePartition;
    }

    // When we get here we should have the correct entry
    // already stored in PartitionTableEntry
    // so just return TRUE
    return TRUE;
}

Referenced by XboxDiskGetPartitionEntry().

DiskIsDriveRemovable()

BOOLEAN DiskIsDriveRemovable

(

UCHAR

DriveNumber

)

Definition at line 88 of file disk.c.

{
    /*
     * Hard disks use drive numbers >= 0x80 . So if the drive number
     * indicates a hard disk then return FALSE.
     * 0x49 is our magic ramdisk drive, so return FALSE for that too.
     */
    if ((DriveNumber >= 0x80) || (DriveNumber == 0x49))
        return FALSE;

    /* The drive is a floppy diskette so return TRUE */
    return TRUE;
}

Referenced by PcInitializeBootDevices().

DiskReadBootRecord()

BOOLEAN DiskReadBootRecord	(	UCHAR	DriveNumber,
		ULONGLONG	LogicalSectorNumber,
		PMASTER_BOOT_RECORD	BootRecord
	)

Definition at line 216 of file partition.c.

{
    ULONG Index;

    // Read master boot record
    if (!MachDiskReadLogicalSectors(DriveNumber, LogicalSectorNumber, 1, DiskReadBuffer))
    {
        return FALSE;
    }
    RtlCopyMemory(BootRecord, DiskReadBuffer, sizeof(MASTER_BOOT_RECORD));

    TRACE("Dumping partition table for drive 0x%x:\n", DriveNumber);
    TRACE("Boot record logical start sector = %d\n", LogicalSectorNumber);
    TRACE("sizeof(MASTER_BOOT_RECORD) = 0x%x.\n", sizeof(MASTER_BOOT_RECORD));

    for (Index=0; Index<4; Index++)
    {
        TRACE("-------------------------------------------\n");
        TRACE("Partition %d\n", (Index + 1));
        TRACE("BootIndicator: 0x%x\n", BootRecord->PartitionTable[Index].BootIndicator);
        TRACE("StartHead: 0x%x\n", BootRecord->PartitionTable[Index].StartHead);
        TRACE("StartSector (Plus 2 cylinder bits): 0x%x\n", BootRecord->PartitionTable[Index].StartSector);
        TRACE("StartCylinder: 0x%x\n", BootRecord->PartitionTable[Index].StartCylinder);
        TRACE("SystemIndicator: 0x%x\n", BootRecord->PartitionTable[Index].SystemIndicator);
        TRACE("EndHead: 0x%x\n", BootRecord->PartitionTable[Index].EndHead);
        TRACE("EndSector (Plus 2 cylinder bits): 0x%x\n", BootRecord->PartitionTable[Index].EndSector);
        TRACE("EndCylinder: 0x%x\n", BootRecord->PartitionTable[Index].EndCylinder);
        TRACE("SectorCountBeforePartition: 0x%x\n", BootRecord->PartitionTable[Index].SectorCountBeforePartition);
        TRACE("PartitionSectorCount: 0x%x\n", BootRecord->PartitionTable[Index].PartitionSectorCount);
    }

    // Check the partition table magic value
    if (BootRecord->MasterBootRecordMagic != 0xaa55)
    {
        return FALSE;
    }

    return TRUE;
}

Referenced by DiskGetActivePartitionEntry(), and DiskGetMbrPartitionEntry().

DiskReportError()

VOID DiskReportError

(

BOOLEAN

bError

)

Definition at line 33 of file disk.c.

{
    bReportError = bError;
}

Referenced by EnumerateHarddisks(), and GetHarddiskInformation().

LoadBootDeviceDriver()

ULONG LoadBootDeviceDriver

(

VOID

)

Definition at line 1591 of file scsiport.c.

{
    PIMAGE_NT_HEADERS NtHeaders;
    LIST_ENTRY ModuleListHead;
    PIMAGE_IMPORT_DESCRIPTOR ImportTable;
    ULONG ImportTableSize;
    PLDR_DATA_TABLE_ENTRY BootDdDTE, FreeldrDTE;
    CHAR NtBootDdPath[MAX_PATH];
    PVOID ImageBase = NULL;
    ULONG (NTAPI *EntryPoint)(IN PVOID DriverObject, IN PVOID RegistryPath);
    BOOLEAN Success;

    // FIXME: Must be done *INSIDE* the HAL!
#ifdef _M_IX86
    HalpInitializePciStubs();
    HalpInitBusHandler();
#endif

    /* Initialize the loaded module list */
    InitializeListHead(&ModuleListHead);

    /* Create full ntbootdd.sys path */
    MachDiskGetBootPath(NtBootDdPath, sizeof(NtBootDdPath));
    strcat(NtBootDdPath, "\\NTBOOTDD.SYS");

    /* Load file */
    Success = WinLdrLoadImage(NtBootDdPath, LoaderBootDriver, &ImageBase);
    if (!Success)
    {
        /* That's OK. File simply doesn't exist */
        return ESUCCESS;
    }

    /* Allocate a DTE for ntbootdd */
    Success = WinLdrAllocateDataTableEntry(&ModuleListHead, "ntbootdd.sys",
        "NTBOOTDD.SYS", ImageBase, &BootDdDTE);
    if (!Success)
        return EIO;

    /* Add the PE part of freeldr.sys to the list of loaded executables, it
       contains Scsiport* exports, imported by ntbootdd.sys */
    Success = WinLdrAllocateDataTableEntry(&ModuleListHead, "scsiport.sys",
        "FREELDR.SYS", &__ImageBase, &FreeldrDTE);
    if (!Success)
    {
        RemoveEntryList(&BootDdDTE->InLoadOrderLinks);
        return EIO;
    }

    /* Fix imports */
    Success = WinLdrScanImportDescriptorTable(&ModuleListHead, "", BootDdDTE);

    /* Now unlinkt the DTEs, they won't be valid later */
    RemoveEntryList(&BootDdDTE->InLoadOrderLinks);
    RemoveEntryList(&FreeldrDTE->InLoadOrderLinks);

    if (!Success)
        return EIO;

    /* Change imports to PA */
    ImportTable = (PIMAGE_IMPORT_DESCRIPTOR)RtlImageDirectoryEntryToData(VaToPa(BootDdDTE->DllBase),
        TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &ImportTableSize);
    for (;(ImportTable->Name != 0) && (ImportTable->FirstThunk != 0);ImportTable++)
    {
        PIMAGE_THUNK_DATA ThunkData = (PIMAGE_THUNK_DATA)VaToPa(RVA(BootDdDTE->DllBase, ImportTable->FirstThunk));

        while (((PIMAGE_THUNK_DATA)ThunkData)->u1.AddressOfData != 0)
        {
            ThunkData->u1.Function = (ULONG)VaToPa((PVOID)ThunkData->u1.Function);
            ThunkData++;
        }
    }

    /* Relocate image to PA */
    NtHeaders = RtlImageNtHeader(VaToPa(BootDdDTE->DllBase));
    if (!NtHeaders)
        return EIO;
    Success = (BOOLEAN)LdrRelocateImageWithBias(VaToPa(BootDdDTE->DllBase),
                                                NtHeaders->OptionalHeader.ImageBase - (ULONG_PTR)BootDdDTE->DllBase,
                                                "FreeLdr",
                                                TRUE,
                                                TRUE, /* in case of conflict still return success */
                                                FALSE);
    if (!Success)
        return EIO;

    /* Call the entrypoint */
    EntryPoint = VaToPa(BootDdDTE->EntryPoint);
    (*EntryPoint)(NULL, NULL);

    return ESUCCESS;
}

Referenced by RunLoader().

Variable Documentation

DiskGetPartitionEntry

DISK_GET_PARTITION_ENTRY DiskGetPartitionEntry

Definition at line 33 of file partition.c.

Referenced by DiskOpen(), GetHarddiskInformation(), and XboxMachInit().

DiskReadBuffer

PVOID DiskReadBuffer

Definition at line 47 of file hwdisk.c.

Referenced by DiskRead(), EnumerateHarddisks(), GetHarddiskInformation(), and PcInitializeBootDevices().

DiskReadBufferSize

SIZE_T DiskReadBufferSize

Definition at line 48 of file hwdisk.c.

Referenced by DiskRead(), EnumerateHarddisks(), and PcMemGetMemoryMap().

FrldrBootDrive

UCHAR FrldrBootDrive

Referenced by DiskGetBootPath(), EnumerateHarddisks(), and PcInitializeBootDevices().

FrldrBootPartition

ULONG FrldrBootPartition

Referenced by DiskGetBootPath().

FrldrBootPath

CHAR FrldrBootPath[MAX_PATH]

Definition at line 27 of file disk.c.

Referenced by DiskGetBootPath(), and PcDiskGetBootPath().