SectorCount = Geometry.Sectors;
}
else
- return EINVAL;
+ {
+ DPRINTM(DPRINT_HWDETECT, "Using legacy sector size detection\n");
+
+ /* Fall back to legacy detection */
+ if (DrivePartition == 0xff)
+ {
+ /* This is a CD-ROM device */
+ SectorSize = 2048;
+ }
+ else
+ {
+ /* This is either a floppy disk device (DrivePartition == 0) or
+ * a hard disk device (DrivePartition != 0 && DrivePartition != 0xFF) but
+ * it doesn't matter which one because they both have 512 bytes per sector */
+ SectorSize = 512;
+ }
+ }
if (DrivePartition != 0xff && DrivePartition != 0)
{
if (!DissectArcPath(Path, FileName, &DriveNumber, &DrivePartition))
return EINVAL;
- SectorSize = (DrivePartition == 0xff ? 2048 : 512);
+
+ if (DrivePartition == 0xff)
+ {
+ /* This is a CD-ROM device */
+ SectorSize = 2048;
+ }
+ else
+ {
+ /* This is either a floppy disk device (DrivePartition == 0) or
+ * a hard disk device (DrivePartition != 0 && DrivePartition != 0xFF) but
+ * it doesn't matter which one because they both have 512 bytes per sector */
+ SectorSize = 512;
+ }
+
if (DrivePartition != 0xff && DrivePartition != 0)
{
if (!XboxDiskGetPartitionEntry(DriveNumber, DrivePartition, &PartitionTableEntry))