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Diffstat (limited to 'src/mem/protocol/MI_example-dir.sm')
-rw-r--r--src/mem/protocol/MI_example-dir.sm72
1 files changed, 44 insertions, 28 deletions
diff --git a/src/mem/protocol/MI_example-dir.sm b/src/mem/protocol/MI_example-dir.sm
index dfb95aedd..30720e433 100644
--- a/src/mem/protocol/MI_example-dir.sm
+++ b/src/mem/protocol/MI_example-dir.sm
@@ -76,13 +76,16 @@ machine(Directory, "Directory protocol")
// ** OBJECTS **
TBETable TBEs, template_hack="<Directory_TBE>";
+ void set_tbe(TBE b);
+ void unset_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;
+ State getState(TBE tbe, Address addr) {
+ if (is_valid(tbe)) {
+ return tbe.TBEState;
} else if (directory.isPresent(addr)) {
return getDirectoryEntry(addr).DirectoryState;
} else {
@@ -90,10 +93,10 @@ machine(Directory, "Directory protocol")
}
}
- void setState(Address addr, State state) {
+ void setState(TBE tbe, Address addr, State state) {
- if (TBEs.isPresent(addr)) {
- TBEs[addr].TBEState := state;
+ if (is_valid(tbe)) {
+ tbe.TBEState := state;
}
if (directory.isPresent(addr)) {
@@ -126,10 +129,11 @@ machine(Directory, "Directory protocol")
in_port(dmaRequestQueue_in, DMARequestMsg, dmaRequestToDir) {
if (dmaRequestQueue_in.isReady()) {
peek(dmaRequestQueue_in, DMARequestMsg) {
+ TBE tbe := TBEs[in_msg.LineAddress];
if (in_msg.Type == DMARequestType:READ) {
- trigger(Event:DMA_READ, in_msg.LineAddress);
+ trigger(Event:DMA_READ, in_msg.LineAddress, tbe);
} else if (in_msg.Type == DMARequestType:WRITE) {
- trigger(Event:DMA_WRITE, in_msg.LineAddress);
+ trigger(Event:DMA_WRITE, in_msg.LineAddress, tbe);
} else {
error("Invalid message");
}
@@ -140,15 +144,16 @@ machine(Directory, "Directory protocol")
in_port(requestQueue_in, RequestMsg, requestToDir) {
if (requestQueue_in.isReady()) {
peek(requestQueue_in, RequestMsg) {
+ TBE tbe := TBEs[in_msg.Address];
if (in_msg.Type == CoherenceRequestType:GETS) {
- trigger(Event:GETS, in_msg.Address);
+ trigger(Event:GETS, in_msg.Address, tbe);
} else if (in_msg.Type == CoherenceRequestType:GETX) {
- trigger(Event:GETX, in_msg.Address);
+ trigger(Event:GETX, in_msg.Address, tbe);
} else if (in_msg.Type == CoherenceRequestType:PUTX) {
if (getDirectoryEntry(in_msg.Address).Owner.isElement(in_msg.Requestor)) {
- trigger(Event:PUTX, in_msg.Address);
+ trigger(Event:PUTX, in_msg.Address, tbe);
} else {
- trigger(Event:PUTX_NotOwner, in_msg.Address);
+ trigger(Event:PUTX_NotOwner, in_msg.Address, tbe);
}
} else {
error("Invalid message");
@@ -162,10 +167,11 @@ machine(Directory, "Directory protocol")
in_port(memQueue_in, MemoryMsg, memBuffer) {
if (memQueue_in.isReady()) {
peek(memQueue_in, MemoryMsg) {
+ TBE tbe := TBEs[in_msg.Address];
if (in_msg.Type == MemoryRequestType:MEMORY_READ) {
- trigger(Event:Memory_Data, in_msg.Address);
+ trigger(Event:Memory_Data, in_msg.Address, tbe);
} else if (in_msg.Type == MemoryRequestType:MEMORY_WB) {
- trigger(Event:Memory_Ack, in_msg.Address);
+ trigger(Event:Memory_Ack, in_msg.Address, tbe);
} else {
DPRINTF(RubySlicc,"%s\n", in_msg.Type);
error("Invalid message");
@@ -232,11 +238,12 @@ machine(Directory, "Directory protocol")
action(dr_sendDMAData, "dr", desc="Send Data to DMA controller from directory") {
peek(memQueue_in, MemoryMsg) {
enqueue(dmaResponseNetwork_out, DMAResponseMsg, latency="1") {
+ assert(is_valid(tbe));
out_msg.PhysicalAddress := address;
out_msg.LineAddress := address;
out_msg.Type := DMAResponseType:DATA;
out_msg.DataBlk := in_msg.DataBlk; // we send the entire data block and rely on the dma controller to split it up if need be
- out_msg.Destination.add(TBEs[address].DmaRequestor);
+ out_msg.Destination.add(tbe.DmaRequestor);
out_msg.MessageSize := MessageSizeType:Response_Data;
}
}
@@ -247,11 +254,12 @@ machine(Directory, "Directory protocol")
action(drp_sendDMAData, "drp", desc="Send Data to DMA controller from incoming PUTX") {
peek(requestQueue_in, RequestMsg) {
enqueue(dmaResponseNetwork_out, DMAResponseMsg, latency="1") {
+ assert(is_valid(tbe));
out_msg.PhysicalAddress := address;
out_msg.LineAddress := address;
out_msg.Type := DMAResponseType:DATA;
out_msg.DataBlk := in_msg.DataBlk; // we send the entire data block and rely on the dma controller to split it up if need be
- out_msg.Destination.add(TBEs[address].DmaRequestor);
+ out_msg.Destination.add(tbe.DmaRequestor);
out_msg.MessageSize := MessageSizeType:Response_Data;
}
}
@@ -259,10 +267,11 @@ machine(Directory, "Directory protocol")
action(da_sendDMAAck, "da", desc="Send Ack to DMA controller") {
enqueue(dmaResponseNetwork_out, DMAResponseMsg, latency="1") {
+ assert(is_valid(tbe));
out_msg.PhysicalAddress := address;
out_msg.LineAddress := address;
out_msg.Type := DMAResponseType:ACK;
- out_msg.Destination.add(TBEs[address].DmaRequestor);
+ out_msg.Destination.add(tbe.DmaRequestor);
out_msg.MessageSize := MessageSizeType:Writeback_Control;
}
}
@@ -320,35 +329,40 @@ machine(Directory, "Directory protocol")
}
action(dwt_writeDMADataFromTBE, "dwt", desc="DMA Write data to memory from TBE") {
- getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len);
+ assert(is_valid(tbe));
+ getDirectoryEntry(address).DataBlk.copyPartial(tbe.DataBlk, addressOffset(tbe.PhysicalAddress), tbe.Len);
}
action(v_allocateTBE, "v", desc="Allocate TBE") {
peek(dmaRequestQueue_in, DMARequestMsg) {
TBEs.allocate(address);
- TBEs[address].DataBlk := in_msg.DataBlk;
- TBEs[address].PhysicalAddress := in_msg.PhysicalAddress;
- TBEs[address].Len := in_msg.Len;
- TBEs[address].DmaRequestor := in_msg.Requestor;
+ set_tbe(TBEs[address]);
+ tbe.DataBlk := in_msg.DataBlk;
+ tbe.PhysicalAddress := in_msg.PhysicalAddress;
+ tbe.Len := in_msg.Len;
+ tbe.DmaRequestor := in_msg.Requestor;
}
}
action(r_allocateTbeForDmaRead, "\r", desc="Allocate TBE for DMA Read") {
peek(dmaRequestQueue_in, DMARequestMsg) {
TBEs.allocate(address);
- TBEs[address].DmaRequestor := in_msg.Requestor;
+ set_tbe(TBEs[address]);
+ tbe.DmaRequestor := in_msg.Requestor;
}
}
action(v_allocateTBEFromRequestNet, "\v", desc="Allocate TBE") {
peek(requestQueue_in, RequestMsg) {
TBEs.allocate(address);
- TBEs[address].DataBlk := in_msg.DataBlk;
+ set_tbe(TBEs[address]);
+ tbe.DataBlk := in_msg.DataBlk;
}
}
action(w_deallocateTBE, "w", desc="Deallocate TBE") {
TBEs.deallocate(address);
+ unset_tbe();
}
action(z_recycleRequestQueue, "z", desc="recycle request queue") {
@@ -407,12 +421,13 @@ machine(Directory, "Directory protocol")
action(qw_queueMemoryWBRequest_partialTBE, "qwt", desc="Queue off-chip writeback request") {
peek(requestQueue_in, RequestMsg) {
enqueue(memQueue_out, MemoryMsg, latency="1") {
+ assert(is_valid(tbe));
out_msg.Address := address;
out_msg.Type := MemoryRequestType:MEMORY_WB;
out_msg.OriginalRequestorMachId := in_msg.Requestor;
// get incoming data
// out_msg.DataBlk := in_msg.DataBlk;
- out_msg.DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len);
+ out_msg.DataBlk.copyPartial(tbe.DataBlk, addressOffset(tbe.PhysicalAddress), tbe.Len);
out_msg.MessageSize := in_msg.MessageSize;
//out_msg.Prefetch := in_msg.Prefetch;
@@ -445,9 +460,10 @@ machine(Directory, "Directory protocol")
action(w_writeDataToMemoryFromTBE, "\w", desc="Write date to directory memory from TBE") {
//getDirectoryEntry(address).DataBlk := TBEs[address].DataBlk;
- getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk,
- addressOffset(TBEs[address].PhysicalAddress),
- TBEs[address].Len);
+ assert(is_valid(tbe));
+ getDirectoryEntry(address).DataBlk.copyPartial(tbe.DataBlk,
+ addressOffset(tbe.PhysicalAddress),
+ tbe.Len);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 00:10:02 +0000