Unlike what Inside Macintosh says, some implementations create

a Partition Map without a Driver Descriptor Map preceding it.
This commit is contained in:
2017-07-15 01:36:13 +01:00
parent bde737962f
commit 9f051e117c

View File

@@ -93,36 +93,36 @@ namespace DiscImageChef.PartPlugins
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbData = 0x{0:X8}", ddm.sbData);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbDrvrCount = {0}", ddm.sbDrvrCount);
if(ddm.sbSig != DDM_MAGIC)
return false;
uint sequence = 0;
if(ddm.sbDrvrCount < max_drivers)
if(ddm.sbSig == DDM_MAGIC)
{
ddm.sbMap = new AppleDriverEntry[ddm.sbDrvrCount];
for(int i = 0; i < ddm.sbDrvrCount; i++)
if(ddm.sbDrvrCount < max_drivers)
{
byte[] tmp = new byte[8];
Array.Copy(ddm_sector, 18 + i * 8, tmp, 0, 8);
ddm.sbMap[i] = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDriverEntry>(tmp);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddBlock = {0}", ddm.sbMap[i].ddBlock, i);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddSize = {0}", ddm.sbMap[i].ddSize, i);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddType = {0}", ddm.sbMap[i].ddType, i);
CommonTypes.Partition part = new CommonTypes.Partition()
ddm.sbMap = new AppleDriverEntry[ddm.sbDrvrCount];
for(int i = 0; i < ddm.sbDrvrCount; i++)
{
PartitionLength = (ulong)(ddm.sbMap[i].ddSize * 512),
PartitionSectors = (ulong)((ddm.sbMap[i].ddSize * 512) / sector_size),
PartitionSequence = sequence,
PartitionStart = ddm.sbMap[i].ddBlock * sector_size,
PartitionStartSector = ddm.sbMap[i].ddBlock,
PartitionType = "Apple_Driver"
};
byte[] tmp = new byte[8];
Array.Copy(ddm_sector, 18 + i * 8, tmp, 0, 8);
ddm.sbMap[i] = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDriverEntry>(tmp);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddBlock = {0}", ddm.sbMap[i].ddBlock, i);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddSize = {0}", ddm.sbMap[i].ddSize, i);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddType = {0}", ddm.sbMap[i].ddType, i);
partitions.Add(part);
CommonTypes.Partition part = new CommonTypes.Partition()
{
PartitionLength = (ulong)(ddm.sbMap[i].ddSize * 512),
PartitionSectors = (ulong)((ddm.sbMap[i].ddSize * 512) / sector_size),
PartitionSequence = sequence,
PartitionStart = ddm.sbMap[i].ddBlock * sector_size,
PartitionStartSector = ddm.sbMap[i].ddBlock,
PartitionType = "Apple_Driver"
};
sequence++;
partitions.Add(part);
sequence++;
}
}
}
@@ -167,7 +167,7 @@ namespace DiscImageChef.PartPlugins
sequence++;
}
return true;
return partitions.Count > 0;
}
AppleMapPartitionEntry entry;
@@ -203,7 +203,7 @@ namespace DiscImageChef.PartPlugins
sectors_to_read = entry_count + 2;
}
else
return true;
return partitions.Count > 0;
}
}
else
@@ -218,7 +218,7 @@ namespace DiscImageChef.PartPlugins
sectors_to_read = entry_count + 2;
}
else
return true;
return partitions.Count > 0;
}
byte[] entries = imagePlugin.ReadSectors(0, sectors_to_read);
@@ -308,7 +308,7 @@ namespace DiscImageChef.PartPlugins
}
}
return true;
return partitions.Count > 0;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]