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-rw-r--r--src/mem/protocol/MOESI_hammer-dir.sm40
-rw-r--r--src/mem/ruby/buffers/MessageBuffer.hh2
-rw-r--r--src/mem/ruby/buffers/MessageBufferNode.hh2
-rw-r--r--src/mem/slicc/symbols/StateMachine.py12
4 files changed, 33 insertions, 23 deletions
diff --git a/src/mem/protocol/MOESI_hammer-dir.sm b/src/mem/protocol/MOESI_hammer-dir.sm
index d4b36cded..df3062c93 100644
--- a/src/mem/protocol/MOESI_hammer-dir.sm
+++ b/src/mem/protocol/MOESI_hammer-dir.sm
@@ -52,7 +52,7 @@ machine(Directory, "AMD Hammer-like protocol")
MessageBuffer unblockToDir, network="From", virtual_network="5", ordered="false";
MessageBuffer responseToDir, network="From", virtual_network="4", ordered="false";
- MessageBuffer requestToDir, network="From", virtual_network="2", ordered="false";
+ MessageBuffer requestToDir, network="From", virtual_network="2", ordered="false", recycle_latency="1";
MessageBuffer dmaRequestToDir, network="From", virtual_network="0", ordered="true";
// STATES
@@ -309,6 +309,22 @@ machine(Directory, "AMD Hammer-like protocol")
}
}
+ // off-chip memory request/response is done
+ in_port(memQueue_in, MemoryMsg, memBuffer) {
+ if (memQueue_in.isReady()) {
+ peek(memQueue_in, MemoryMsg) {
+ if (in_msg.Type == MemoryRequestType:MEMORY_READ) {
+ trigger(Event:Memory_Data, in_msg.Address);
+ } else if (in_msg.Type == MemoryRequestType:MEMORY_WB) {
+ trigger(Event:Memory_Ack, in_msg.Address);
+ } else {
+ DEBUG_EXPR(in_msg.Type);
+ error("Invalid message");
+ }
+ }
+ }
+ }
+
in_port(requestQueue_in, RequestMsg, requestToDir) {
if (requestQueue_in.isReady()) {
peek(requestQueue_in, RequestMsg) {
@@ -333,22 +349,6 @@ machine(Directory, "AMD Hammer-like protocol")
}
}
- // off-chip memory request/response is done
- in_port(memQueue_in, MemoryMsg, memBuffer) {
- if (memQueue_in.isReady()) {
- peek(memQueue_in, MemoryMsg) {
- if (in_msg.Type == MemoryRequestType:MEMORY_READ) {
- trigger(Event:Memory_Data, in_msg.Address);
- } else if (in_msg.Type == MemoryRequestType:MEMORY_WB) {
- trigger(Event:Memory_Ack, in_msg.Address);
- } else {
- DEBUG_EXPR(in_msg.Type);
- error("Invalid message");
- }
- }
- }
- }
-
// Actions
action(r_setMRU, "\rr", desc="manually set the MRU bit for pf entry" ) {
@@ -766,6 +766,9 @@ machine(Directory, "AMD Hammer-like protocol")
}
action(j_popIncomingUnblockQueue, "j", desc="Pop incoming unblock queue") {
+ peek(unblockNetwork_in, ResponseMsg) {
+ APPEND_TRANSITION_COMMENT(in_msg.Sender);
+ }
unblockNetwork_in.dequeue();
}
@@ -880,6 +883,9 @@ machine(Directory, "AMD Hammer-like protocol")
}
action(zz_recycleRequest, "\z", desc="Recycle the request queue") {
+ peek(requestQueue_in, RequestMsg) {
+ APPEND_TRANSITION_COMMENT(in_msg.Requestor);
+ }
requestQueue_in.recycle();
}
diff --git a/src/mem/ruby/buffers/MessageBuffer.hh b/src/mem/ruby/buffers/MessageBuffer.hh
index 9315eaec0..e4bee5cf6 100644
--- a/src/mem/ruby/buffers/MessageBuffer.hh
+++ b/src/mem/ruby/buffers/MessageBuffer.hh
@@ -167,7 +167,7 @@ class MessageBuffer
int m_not_avail_count; // count the # of times I didn't have N
// slots available
- int m_msg_counter;
+ uint64 m_msg_counter;
int m_priority_rank;
bool m_strict_fifo;
bool m_ordering_set;
diff --git a/src/mem/ruby/buffers/MessageBufferNode.hh b/src/mem/ruby/buffers/MessageBufferNode.hh
index 078da47c4..70afa9831 100644
--- a/src/mem/ruby/buffers/MessageBufferNode.hh
+++ b/src/mem/ruby/buffers/MessageBufferNode.hh
@@ -54,7 +54,7 @@ class MessageBufferNode
public:
Time m_time;
- int m_msg_counter; // FIXME, should this be a 64-bit value?
+ uint64 m_msg_counter; // FIXME, should this be a 64-bit value?
MsgPtr m_msgptr;
};
diff --git a/src/mem/slicc/symbols/StateMachine.py b/src/mem/slicc/symbols/StateMachine.py
index b6b8bc5bc..d5a824905 100644
--- a/src/mem/slicc/symbols/StateMachine.py
+++ b/src/mem/slicc/symbols/StateMachine.py
@@ -494,6 +494,7 @@ $c_ident::init()
if vtype.isBuffer and \
"rank" in var and "trigger_queue" not in var:
code('$vid->setPriority(${{var["rank"]}});')
+
else:
# Network port object
network = var["network"]
@@ -537,6 +538,13 @@ $vid->setDescription("[Version " + to_string(m_version) + ", ${ident}, name=${{v
''')
+ if vtype.isBuffer:
+ if "recycle_latency" in var:
+ code('$vid->setRecycleLatency(${{var["recycle_latency"]}});')
+ else:
+ code('$vid->setRecycleLatency(m_recycle_latency);')
+
+
# Set the queue consumers
code.insert_newline()
for port in self.in_ports:
@@ -562,10 +570,6 @@ $vid->setDescription("[Version " + to_string(m_version) + ", ${ident}, name=${{v
event = "%s_Event_%s" % (self.ident, trans.event.ident)
code('m_profiler.possibleTransition($state, $event);')
- # added by SS to initialize recycle_latency of message buffers
- for buf in self.message_buffer_names:
- code("$buf->setRecycleLatency(m_recycle_latency);")
-
code.dedent()
code('}')