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- Fail: was using the wrong structure (the boot sector is a BOOT_SECTOR which contains the BIOS Parameter Block, not a BPB directly).

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- Fix wrong debug print too.

svn path=/trunk/; revision=34660
This commit is contained in:
ReactOS Portable Systems Group 2008-07-22 06:31:31 +00:00
parent d543929a55
commit 04dfc992a1
1 changed files with 19 additions and 11 deletions
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30
reactos/drivers/storage/class/ramdisk/ramdisk.c
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@ -289,7 +289,7 @@ RamdiskMapPages(IN PRAMDISK_DRIVE_EXTENSION DeviceExtension,
// Calculate the actual offset in the drive
//
ActualOffset.QuadPart = DeviceExtension->DiskOffset + Offset.QuadPart;
DPRINT1("Disk offset is: %I64d and Offset is: %I64d. Total: %I64d\n",
DPRINT1("Disk offset is: %d and Offset is: %I64d. Total: %I64d\n",
DeviceExtension->DiskOffset, Offset, ActualOffset);
//
@ -328,10 +328,7 @@ RamdiskMapPages(IN PRAMDISK_DRIVE_EXTENSION DeviceExtension,
//
MappedBase = MmMapIoSpace(PhysicalAddress, ActualLength, MmCached);
DPRINT1("Mapped at: %p\n", MappedBase);
UNIMPLEMENTED;
while (TRUE);
return NULL;
return MappedBase;
}
PVOID
@ -360,7 +357,7 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
PVOID Buffer;
WCHAR LocalBuffer[16];
UNICODE_STRING SymbolicLinkName, DriveString, GuidString, DeviceName;
PPACKED_BIOS_PARAMETER_BLOCK Parameters;
PPACKED_BOOT_SECTOR BootSector;
ULONG BytesPerSector, SectorsPerTrack, Heads, BytesRead;
PVOID BaseAddress;
LARGE_INTEGER CurrentOffset;
@ -616,10 +613,10 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
//
// Get the data
//
Parameters = (PPACKED_BIOS_PARAMETER_BLOCK)BaseAddress;
BytesPerSector = Parameters->BytesPerSector[0];
SectorsPerTrack = Parameters->SectorsPerTrack[0];
Heads = Parameters->Heads[0];
BootSector = (PPACKED_BOOT_SECTOR)BaseAddress;
BytesPerSector = BootSector->PackedBpb.BytesPerSector[0];
SectorsPerTrack = BootSector->PackedBpb.SectorsPerTrack[0];
Heads = BootSector->PackedBpb.Heads[0];
//
// Save it
@ -647,6 +644,17 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
}
}
//
// Sanity check for debugging
//
DPRINT1("[RAMDISK] Loaded...\n"
"Bytes per Sector: %d\n"
"Sectors per Track: %d\n"
"Number of Heads: %d\n",
DriveExtension->BytesPerSector,
DriveExtension->SectorsPerTrack,
DriveExtension->NumberOfHeads);
//
// Check if the drive settings haven't been set yet
//
@ -676,7 +684,7 @@ RamdiskCreateDiskDevice(IN PRAMDISK_BUS_EXTENSION DeviceExtension,
DriveExtension->NumberOfHeads = 16;
}
}
//
// Acquire the disk lock
//