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Diffstat (limited to 'src/mem/protocol/MI_example-dir.sm')
-rw-r--r--src/mem/protocol/MI_example-dir.sm67
1 files changed, 30 insertions, 37 deletions
diff --git a/src/mem/protocol/MI_example-dir.sm b/src/mem/protocol/MI_example-dir.sm
index 1f64d25df..12f7e4552 100644
--- a/src/mem/protocol/MI_example-dir.sm
+++ b/src/mem/protocol/MI_example-dir.sm
@@ -1,6 +1,8 @@
machine(Directory, "Directory protocol")
-: int directory_latency
+: DirectoryMemory * directory,
+ MemoryControl * memBuffer,
+ int directory_latency = 12
{
MessageBuffer forwardFromDir, network="To", virtual_network="2", ordered="false";
@@ -48,24 +50,13 @@ machine(Directory, "Directory protocol")
// TYPES
// DirectoryEntry
- structure(Entry, desc="...") {
+ structure(Entry, desc="...", interface="AbstractEntry") {
State DirectoryState, desc="Directory state";
DataBlock DataBlk, desc="data for the block";
NetDest Sharers, desc="Sharers for this block";
NetDest Owner, desc="Owner of this block";
}
- external_type(DirectoryMemory) {
- Entry lookup(Address);
- bool isPresent(Address);
- void invalidateBlock(Address);
- }
-
- external_type(MemoryControl, inport="yes", outport="yes") {
-
- }
-
-
// TBE entries for DMA requests
structure(TBE, desc="TBE entries for outstanding DMA requests") {
Address PhysicalAddress, desc="physical address";
@@ -83,17 +74,17 @@ machine(Directory, "Directory protocol")
}
// ** OBJECTS **
- DirectoryMemory directory, factory='RubySystem::getDirectory(m_cfg["directory"])';
-
- MemoryControl memBuffer, factory='RubySystem::getMemoryControl(m_cfg["memory_control"])';
-
TBETable TBEs, template_hack="<Directory_TBE>";
+ Entry getDirectoryEntry(Address addr), return_by_ref="yes" {
+ return static_cast(Entry, directory[addr]);
+ }
+
State getState(Address addr) {
if (TBEs.isPresent(addr)) {
return TBEs[addr].TBEState;
} else if (directory.isPresent(addr)) {
- return directory[addr].DirectoryState;
+ return getDirectoryEntry(addr).DirectoryState;
} else {
return State:I;
}
@@ -108,14 +99,14 @@ machine(Directory, "Directory protocol")
if (directory.isPresent(addr)) {
if (state == State:I) {
- assert(directory[addr].Owner.count() == 0);
- assert(directory[addr].Sharers.count() == 0);
+ assert(getDirectoryEntry(addr).Owner.count() == 0);
+ assert(getDirectoryEntry(addr).Sharers.count() == 0);
} else if (state == State:M) {
- assert(directory[addr].Owner.count() == 1);
- assert(directory[addr].Sharers.count() == 0);
+ assert(getDirectoryEntry(addr).Owner.count() == 1);
+ assert(getDirectoryEntry(addr).Sharers.count() == 0);
}
- directory[addr].DirectoryState := state;
+ getDirectoryEntry(addr).DirectoryState := state;
}
}
@@ -151,7 +142,7 @@ machine(Directory, "Directory protocol")
} else if (in_msg.Type == CoherenceRequestType:GETX) {
trigger(Event:GETX, in_msg.Address);
} else if (in_msg.Type == CoherenceRequestType:PUTX) {
- if (directory[in_msg.Address].Owner.isElement(in_msg.Requestor)) {
+ if (getDirectoryEntry(in_msg.Address).Owner.isElement(in_msg.Requestor)) {
trigger(Event:PUTX, in_msg.Address);
} else {
trigger(Event:PUTX_NotOwner, in_msg.Address);
@@ -219,7 +210,7 @@ machine(Directory, "Directory protocol")
}
action(c_clearOwner, "c", desc="Clear the owner field") {
- directory[address].Owner.clear();
+ getDirectoryEntry(address).Owner.clear();
}
action(d_sendData, "d", desc="Send data to requestor") {
@@ -279,22 +270,22 @@ machine(Directory, "Directory protocol")
action(e_ownerIsRequestor, "e", desc="The owner is now the requestor") {
peek(requestQueue_in, RequestMsg) {
- directory[address].Owner.clear();
- directory[address].Owner.add(in_msg.Requestor);
+ getDirectoryEntry(address).Owner.clear();
+ getDirectoryEntry(address).Owner.add(in_msg.Requestor);
}
}
action(f_forwardRequest, "f", desc="Forward request to owner") {
peek(requestQueue_in, RequestMsg) {
APPEND_TRANSITION_COMMENT("Own: ");
- APPEND_TRANSITION_COMMENT(directory[in_msg.Address].Owner);
+ APPEND_TRANSITION_COMMENT(getDirectoryEntry(in_msg.Address).Owner);
APPEND_TRANSITION_COMMENT("Req: ");
APPEND_TRANSITION_COMMENT(in_msg.Requestor);
enqueue(forwardNetwork_out, RequestMsg, latency=directory_latency) {
out_msg.Address := address;
out_msg.Type := in_msg.Type;
out_msg.Requestor := in_msg.Requestor;
- out_msg.Destination := directory[in_msg.Address].Owner;
+ out_msg.Destination := getDirectoryEntry(in_msg.Address).Owner;
out_msg.MessageSize := MessageSizeType:Writeback_Control;
}
}
@@ -306,7 +297,7 @@ machine(Directory, "Directory protocol")
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:INV;
out_msg.Requestor := machineID;
- out_msg.Destination := directory[in_msg.PhysicalAddress].Owner;
+ out_msg.Destination := getDirectoryEntry(in_msg.PhysicalAddress).Owner;
out_msg.MessageSize := MessageSizeType:Writeback_Control;
}
}
@@ -324,13 +315,13 @@ machine(Directory, "Directory protocol")
peek(requestQueue_in, RequestMsg) {
// assert(in_msg.Dirty);
// assert(in_msg.MessageSize == MessageSizeType:Writeback_Data);
- directory[in_msg.Address].DataBlk := in_msg.DataBlk;
- //directory[in_msg.Address].DataBlk.copyPartial(in_msg.DataBlk, addressOffset(in_msg.Address), in_msg.Len);
+ getDirectoryEntry(in_msg.Address).DataBlk := in_msg.DataBlk;
+ //getDirectoryEntry(in_msg.Address).DataBlk.copyPartial(in_msg.DataBlk, addressOffset(in_msg.Address), in_msg.Len);
}
}
action(dwt_writeDMADataFromTBE, "dwt", desc="DMA Write data to memory from TBE") {
- directory[address].DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len);
+ getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len);
}
action(v_allocateTBE, "v", desc="Allocate TBE") {
@@ -378,7 +369,7 @@ machine(Directory, "Directory protocol")
out_msg.Sender := machineID;
out_msg.OriginalRequestorMachId := in_msg.Requestor;
out_msg.MessageSize := in_msg.MessageSize;
- out_msg.DataBlk := directory[in_msg.Address].DataBlk;
+ out_msg.DataBlk := getDirectoryEntry(in_msg.Address).DataBlk;
DEBUG_EXPR(out_msg);
}
}
@@ -392,7 +383,7 @@ machine(Directory, "Directory protocol")
out_msg.Sender := machineID;
//out_msg.OriginalRequestorMachId := machineID;
out_msg.MessageSize := in_msg.MessageSize;
- out_msg.DataBlk := directory[address].DataBlk;
+ out_msg.DataBlk := getDirectoryEntry(address).DataBlk;
DEBUG_EXPR(out_msg);
}
}
@@ -453,8 +444,10 @@ machine(Directory, "Directory protocol")
}
action(w_writeDataToMemoryFromTBE, "\w", desc="Write date to directory memory from TBE") {
- //directory[address].DataBlk := TBEs[address].DataBlk;
- directory[address].DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len);
+ //getDirectoryEntry(address).DataBlk := TBEs[address].DataBlk;
+ getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk,
+ addressOffset(TBEs[address].PhysicalAddress),
+ TBEs[address].Len);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 12:18:26 +0000