Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 09:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fixed the calculation of the boot disk number in i386DiskGetSystemVolume.

Browse source 
We have to count all used partititions instead of the known one.

svn path=/trunk/; revision=17484
This commit is contained in:
Hartmut Birr 2005-08-23 17:42:12 +00:00
parent d373f6bfb0
commit b3f11cfb38
1 changed files with 36 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
reactos/boot/freeldr/freeldr/arch/i386/i386disk.c
View file

@ -165,6 +165,36 @@ BOOL DiskGetExtendedDriveParameters(ULONG DriveNumber, PVOID Buffer, USHORT Buff
memcpy(Buffer, Ptr, BufferSize);
DbgPrint((DPRINT_DISK, "size of buffer: %x\n", Ptr[0]));
DbgPrint((DPRINT_DISK, "information flags: %x\n", Ptr[1]));
DbgPrint((DPRINT_DISK, "number of physical cylinders on drive: %u\n", *(PULONG)&Ptr[2]));
DbgPrint((DPRINT_DISK, "number of physical heads on drive: %u\n", *(PULONG)&Ptr[4]));
DbgPrint((DPRINT_DISK, "number of physical sectors per track: %u\n", *(PULONG)&Ptr[6]));
DbgPrint((DPRINT_DISK, "total number of sectors on drive: %I64u\n", *(unsigned long long*)&Ptr[8]));
DbgPrint((DPRINT_DISK, "bytes per sector: %u\n", Ptr[12]));
if (Ptr[0] >= 0x1e)
{
DbgPrint((DPRINT_HB, "EED configuration parameters: %x:%x\n", Ptr[13], Ptr[14]));
if (Ptr[13] != 0xffff && Ptr[14] != 0xffff)
{
PUCHAR SpecPtr = (PUCHAR)((Ptr[13] << 4) + Ptr[14]);
DbgPrint((DPRINT_DISK, "SpecPtr: %x\n", SpecPtr));
DbgPrint((DPRINT_DISK, "physical I/O port base address: %x\n", *(PUSHORT)&SpecPtr[0]));
DbgPrint((DPRINT_DISK, "disk-drive control port address: %x\n", *(PUSHORT)&SpecPtr[2]));
DbgPrint((DPRINT_DISK, "drive flags: %x\n", SpecPtr[4]));
DbgPrint((DPRINT_DISK, "proprietary information: %x\n", SpecPtr[5]));
DbgPrint((DPRINT_DISK, "IRQ for drive: %u\n", SpecPtr[6]));
DbgPrint((DPRINT_DISK, "sector count for multi-sector transfers: %u\n", SpecPtr[7]));
DbgPrint((DPRINT_DISK, "DMA control: %x\n", SpecPtr[8]));
DbgPrint((DPRINT_DISK, "programmed I/O control: %x\n", SpecPtr[9]));
DbgPrint((DPRINT_DISK, "drive options: %x\n", *(PUSHORT)&SpecPtr[10]));
}
}
if (Ptr[0] >= 0x42)
{
DbgPrint((DPRINT_HB, "signature: %x\n", Ptr[15]));
}
return TRUE;
}
@ -301,6 +331,10 @@ i386DiskBootingFromFloppy(VOID)
(P) == PARTITION_FAT32_XINT13 || \
(P) == PARTITION_XINT13)
#define IsContainerPartition(P) \
((P) == PARTITION_EXTENDED || \
(P) == PARTITION_XINT13_EXTENDED)
BOOL i386DiskGetSystemVolume(char *SystemPath,
char *RemainingPath,
PULONG Device,
@ -344,7 +378,8 @@ BOOL i386DiskGetSystemVolume(char *SystemPath,
{
return FALSE;
}
if (IsRecognizedPartition(PartitionTableEntry.SystemIndicator))
if (!IsContainerPartition(PartitionTableEntry.SystemIndicator) &&
PartitionTableEntry.SystemIndicator != PARTITION_ENTRY_UNUSED)
{
if (++RosPartition == PartitionNumber)
{