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Ruby: Machine Type missing in MOESI CMP directory protocol

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In certain actions of the L1 cache controller, while creating an outgoing
message, the machine type was not being set. This results in a
segmentation fault when trace is collected. Joseph Pusudesris provided
his patch for fixing this issue.
This commit is contained in:
Nilay Vaish
2011-02-19 17:32:43 -06:00
parent 293ccb7037
commit 77eed184f5
1 changed files with 11 additions and 0 deletions
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11
src/mem/protocol/MOESI_CMP_directory-L1cache.sm
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@@ -399,6 +399,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:GETS;
out_msg.Requestor := machineID;
out_msg.RequestorMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.MessageSize := MessageSizeType:Request_Control;
@@ -443,6 +444,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:PUTO;
out_msg.Requestor := machineID;
out_msg.RequestorMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.MessageSize := MessageSizeType:Writeback_Control;
@@ -455,6 +457,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:PUTS;
out_msg.Requestor := machineID;
out_msg.RequestorMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.MessageSize := MessageSizeType:Writeback_Control;
@@ -469,6 +472,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.DataBlk := cache_entry.DataBlk;
@@ -484,6 +488,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(in_msg.Requestor);
out_msg.DataBlk := cache_entry.DataBlk;
// out_msg.Dirty := cache_entry.Dirty;
@@ -502,6 +507,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.DataBlk := cache_entry.DataBlk;
@@ -580,6 +586,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:UNBLOCK;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.MessageSize := MessageSizeType:Unblock_Control;
@@ -678,6 +685,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(in_msg.Requestor);
out_msg.DataBlk := tbe.DataBlk;
// out_msg.Dirty := tbe.Dirty;
@@ -691,6 +699,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.DataBlk := tbe.DataBlk;
@@ -711,6 +720,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA_EXCLUSIVE;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(in_msg.Requestor);
out_msg.DataBlk := tbe.DataBlk;
out_msg.Dirty := tbe.Dirty;
@@ -723,6 +733,7 @@ machine(L1Cache, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceResponseType:DATA_EXCLUSIVE;
out_msg.Sender := machineID;
out_msg.SenderMachine := MachineType:L1Cache;
out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache,
l2_select_low_bit, l2_select_num_bits));
out_msg.DataBlk := tbe.DataBlk;