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Diffstat (limited to 'src/mem/protocol/MESI_Two_Level-dir.sm')
-rw-r--r--src/mem/protocol/MESI_Two_Level-dir.sm81
1 files changed, 21 insertions, 60 deletions
diff --git a/src/mem/protocol/MESI_Two_Level-dir.sm b/src/mem/protocol/MESI_Two_Level-dir.sm
index 939ae2a36..fa9d1f3d3 100644
--- a/src/mem/protocol/MESI_Two_Level-dir.sm
+++ b/src/mem/protocol/MESI_Two_Level-dir.sm
@@ -28,7 +28,6 @@
machine(Directory, "MESI Two Level directory protocol")
: DirectoryMemory * directory;
- MemoryControl * memBuffer;
Cycles to_mem_ctrl_latency := 1;
Cycles directory_latency := 6;
@@ -154,17 +153,21 @@ machine(Directory, "MESI Two Level directory protocol")
if(is_valid(tbe)) {
testAndRead(addr, tbe.DataBlk, pkt);
} else {
- memBuffer.functionalRead(pkt);
+ functionalMemoryRead(pkt);
}
}
int functionalWrite(Address addr, Packet *pkt) {
+ int num_functional_writes := 0;
+
TBE tbe := TBEs[addr];
if(is_valid(tbe)) {
- testAndWrite(addr, tbe.DataBlk, pkt);
+ num_functional_writes := num_functional_writes +
+ testAndWrite(addr, tbe.DataBlk, pkt);
}
- return memBuffer.functionalWrite(pkt);
+ num_functional_writes := num_functional_writes + functionalMemoryWrite(pkt);
+ return num_functional_writes;
}
void setAccessPermission(Address addr, State state) {
@@ -182,7 +185,6 @@ machine(Directory, "MESI Two Level directory protocol")
// ** OUT_PORTS **
out_port(responseNetwork_out, ResponseMsg, responseFromDir);
- out_port(memQueue_out, MemoryMsg, memBuffer);
// ** IN_PORTS **
@@ -223,7 +225,7 @@ machine(Directory, "MESI Two Level directory protocol")
}
// off-chip memory request/response is done
- in_port(memQueue_in, MemoryMsg, memBuffer, rank = 2) {
+ in_port(memQueue_in, MemoryMsg, responseFromMemory, rank = 2) {
if (memQueue_in.isReady()) {
peek(memQueue_in, MemoryMsg) {
if (in_msg.Type == MemoryRequestType:MEMORY_READ) {
@@ -300,46 +302,21 @@ machine(Directory, "MESI Two Level directory protocol")
action(qf_queueMemoryFetchRequest, "qf", desc="Queue off-chip fetch request") {
peek(requestNetwork_in, RequestMsg) {
- enqueue(memQueue_out, MemoryMsg, to_mem_ctrl_latency) {
- out_msg.Addr := address;
- out_msg.Type := MemoryRequestType:MEMORY_READ;
- out_msg.Sender := machineID;
- out_msg.OriginalRequestorMachId := in_msg.Requestor;
- out_msg.MessageSize := in_msg.MessageSize;
- out_msg.Prefetch := in_msg.Prefetch;
-
- DPRINTF(RubySlicc, "%s\n", out_msg);
- }
+ queueMemoryRead(in_msg.Requestor, address, to_mem_ctrl_latency);
}
}
action(qw_queueMemoryWBRequest, "qw", desc="Queue off-chip writeback request") {
peek(responseNetwork_in, ResponseMsg) {
- enqueue(memQueue_out, MemoryMsg, to_mem_ctrl_latency) {
- out_msg.Addr := address;
- out_msg.Type := MemoryRequestType:MEMORY_WB;
- out_msg.Sender := machineID;
- out_msg.OriginalRequestorMachId := in_msg.Sender;
- out_msg.DataBlk := in_msg.DataBlk;
- out_msg.MessageSize := in_msg.MessageSize;
- //out_msg.Prefetch := in_msg.Prefetch;
-
- DPRINTF(RubySlicc, "%s\n", out_msg);
- }
+ queueMemoryWrite(in_msg.Sender, address, to_mem_ctrl_latency,
+ in_msg.DataBlk);
}
}
//added by SS for dma
action(qf_queueMemoryFetchRequestDMA, "qfd", desc="Queue off-chip fetch request") {
peek(requestNetwork_in, RequestMsg) {
- enqueue(memQueue_out, MemoryMsg, to_mem_ctrl_latency) {
- out_msg.Addr := address;
- out_msg.Type := MemoryRequestType:MEMORY_READ;
- out_msg.Sender := machineID;
- out_msg.OriginalRequestorMachId := machineID;
- out_msg.MessageSize := in_msg.MessageSize;
- DPRINTF(RubySlicc, "%s\n", out_msg);
- }
+ queueMemoryRead(in_msg.Requestor, address, to_mem_ctrl_latency);
}
}
@@ -359,16 +336,11 @@ machine(Directory, "MESI Two Level directory protocol")
}
}
- action(qw_queueMemoryWBRequest_partial, "qwp", desc="Queue off-chip writeback request") {
- peek(requestNetwork_in, RequestMsg) {
- enqueue(memQueue_out, MemoryMsg, to_mem_ctrl_latency) {
- out_msg.Addr := address;
- out_msg.Type := MemoryRequestType:MEMORY_WB;
- out_msg.OriginalRequestorMachId := machineID;
- out_msg.DataBlk.copyPartial(in_msg.DataBlk, addressOffset(address), in_msg.Len);
- out_msg.MessageSize := in_msg.MessageSize;
- DPRINTF(RubySlicc, "%s\n", out_msg);
- }
+ action(qw_queueMemoryWBRequest_partial, "qwp",
+ desc="Queue off-chip writeback request") {
+ peek(requestNetwork_in, RequestMsg) {
+ queueMemoryWritePartial(machineID, address, to_mem_ctrl_latency,
+ in_msg.DataBlk, in_msg.Len);
}
}
@@ -424,22 +396,11 @@ machine(Directory, "MESI Two Level directory protocol")
}
}
- action(qw_queueMemoryWBRequest_partialTBE, "qwt", desc="Queue off-chip writeback request") {
+ action(qw_queueMemoryWBRequest_partialTBE, "qwt",
+ desc="Queue off-chip writeback request") {
peek(responseNetwork_in, ResponseMsg) {
- enqueue(memQueue_out, MemoryMsg, to_mem_ctrl_latency) {
- assert(is_valid(tbe));
- out_msg.Addr := address;
- out_msg.Type := MemoryRequestType:MEMORY_WB;
- out_msg.OriginalRequestorMachId := in_msg.Sender;
- //out_msg.DataBlk := in_msg.DataBlk;
- //out_msg.DataBlk.copyPartial(tbe.DataBlk, tbe.Offset, tbe.Len);
- out_msg.DataBlk.copyPartial(tbe.DataBlk, addressOffset(tbe.PhysicalAddress), tbe.Len);
-
- out_msg.MessageSize := in_msg.MessageSize;
- //out_msg.Prefetch := in_msg.Prefetch;
-
- DPRINTF(RubySlicc, "%s\n", out_msg);
- }
+ queueMemoryWritePartial(in_msg.Sender, tbe.PhysicalAddress,
+ to_mem_ctrl_latency, tbe.DataBlk, tbe.Len);
}
}