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Unlike what Inside Macintosh says, some implementations create

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a Partition Map without a Driver Descriptor Map preceding it.
This commit is contained in:
Natalia Portillo
2017-07-15 01:36:13 +01:00
parent bde737962f
commit 9f051e117c
1 changed files with 27 additions and 27 deletions
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54
DiscImageChef.Partitions/AppleMap.cs
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@@ -93,36 +93,36 @@ namespace DiscImageChef.PartPlugins
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbData = 0x{0:X8}", ddm.sbData); DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbData = 0x{0:X8}", ddm.sbData);
DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbDrvrCount = {0}", ddm.sbDrvrCount); DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbDrvrCount = {0}", ddm.sbDrvrCount);
if(ddm.sbSig != DDM_MAGIC)
return false;
uint sequence = 0; uint sequence = 0;
if(ddm.sbDrvrCount < max_drivers) if(ddm.sbSig == DDM_MAGIC)
{ {
ddm.sbMap = new AppleDriverEntry[ddm.sbDrvrCount]; if(ddm.sbDrvrCount < max_drivers)
for(int i = 0; i < ddm.sbDrvrCount; i++)
{ {
byte[] tmp = new byte[8]; ddm.sbMap = new AppleDriverEntry[ddm.sbDrvrCount];
Array.Copy(ddm_sector, 18 + i * 8, tmp, 0, 8); for(int i = 0; i < ddm.sbDrvrCount; i++)
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()
{ {
PartitionLength = (ulong)(ddm.sbMap[i].ddSize * 512), byte[] tmp = new byte[8];
PartitionSectors = (ulong)((ddm.sbMap[i].ddSize * 512) / sector_size), Array.Copy(ddm_sector, 18 + i * 8, tmp, 0, 8);
PartitionSequence = sequence, ddm.sbMap[i] = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDriverEntry>(tmp);
PartitionStart = ddm.sbMap[i].ddBlock * sector_size, DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddBlock = {0}", ddm.sbMap[i].ddBlock, i);
PartitionStartSector = ddm.sbMap[i].ddBlock, DicConsole.DebugWriteLine("AppleMap Plugin", "ddm.sbMap[{1}].ddSize = {0}", ddm.sbMap[i].ddSize, i);
PartitionType = "Apple_Driver" 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++; sequence++;
} }
return true; return partitions.Count > 0;
} }
AppleMapPartitionEntry entry; AppleMapPartitionEntry entry;
@@ -203,7 +203,7 @@ namespace DiscImageChef.PartPlugins
sectors_to_read = entry_count + 2; sectors_to_read = entry_count + 2;
} }
else else
return true; return partitions.Count > 0;
} }
} }
else else
@@ -218,7 +218,7 @@ namespace DiscImageChef.PartPlugins
sectors_to_read = entry_count + 2; sectors_to_read = entry_count + 2;
} }
else else
return true; return partitions.Count > 0;
} }
byte[] entries = imagePlugin.ReadSectors(0, sectors_to_read); 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)] [StructLayout(LayoutKind.Sequential, Pack = 1)]