-
/*
- * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
+ * Copyright (c) 1999-2013 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/*
- * $Id$
- *
- */
-
-machine(L2Cache, "Token protocol")
- : CacheMemory * L2cacheMemory,
- int N_tokens,
- int l2_request_latency = 5,
- int l2_response_latency = 5,
- bool filtering_enabled = true
-{
+machine(L2Cache, "Token protocol")
+ : CacheMemory * L2cache;
+ int N_tokens;
+ Cycles l2_request_latency := 5;
+ Cycles l2_response_latency := 5;
+ bool filtering_enabled := "True";
- // L2 BANK QUEUES
- // From local bank of L2 cache TO the network
-
- // this L2 bank -> a local L1 || mod-directory
- MessageBuffer responseFromL2Cache, network="To", virtual_network="4", ordered="false";
- // this L2 bank -> mod-directory
- MessageBuffer GlobalRequestFromL2Cache, network="To", virtual_network="2", ordered="false";
- // this L2 bank -> a local L1
- MessageBuffer L1RequestFromL2Cache, network="To", virtual_network="1", ordered="false";
-
-
- // FROM the network to this local bank of L2 cache
-
- // a local L1 || mod-directory -> this L2 bank
- MessageBuffer responseToL2Cache, network="From", virtual_network="4", ordered="false";
- MessageBuffer persistentToL2Cache, network="From", virtual_network="3", ordered="true";
- // mod-directory -> this L2 bank
- MessageBuffer GlobalRequestToL2Cache, network="From", virtual_network="2", ordered="false";
- // a local L1 -> this L2 bank
- MessageBuffer L1RequestToL2Cache, network="From", virtual_network="1", ordered="false";
+ // L2 BANK QUEUES
+ // From local bank of L2 cache TO the network
+
+ // this L2 bank -> a local L1 || mod-directory
+ MessageBuffer * responseFromL2Cache, network="To", virtual_network="4",
+ vnet_type="response";
+ // this L2 bank -> mod-directory
+ MessageBuffer * GlobalRequestFromL2Cache, network="To", virtual_network="2",
+ vnet_type="request";
+ // this L2 bank -> a local L1
+ MessageBuffer * L1RequestFromL2Cache, network="To", virtual_network="1",
+ vnet_type="request";
+
+
+ // FROM the network to this local bank of L2 cache
+
+ // a local L1 || mod-directory -> this L2 bank
+ MessageBuffer * responseToL2Cache, network="From", virtual_network="4",
+ vnet_type="response";
+ MessageBuffer * persistentToL2Cache, network="From", virtual_network="3",
+ vnet_type="persistent";
+ // mod-directory -> this L2 bank
+ MessageBuffer * GlobalRequestToL2Cache, network="From", virtual_network="2",
+ vnet_type="request";
+ // a local L1 -> this L2 bank
+ MessageBuffer * L1RequestToL2Cache, network="From", virtual_network="1",
+ vnet_type="request";
+{
// STATES
state_declaration(State, desc="L2 Cache states", default="L2Cache_State_I") {
// Base states
DataBlock DataBlk, desc="data for the block";
}
- structure(DirEntry, desc="...") {
+ structure(DirEntry, desc="...", interface="AbstractEntry") {
Set Sharers, desc="Set of the internal processors that want the block in shared state";
bool exclusive, default="false", desc="if local exclusive is likely";
}
structure(PerfectCacheMemory, external="yes") {
- void allocate(Address);
- void deallocate(Address);
- DirEntry lookup(Address);
- bool isTagPresent(Address);
+ void allocate(Addr);
+ void deallocate(Addr);
+ DirEntry lookup(Addr);
+ bool isTagPresent(Addr);
}
structure(PersistentTable, external="yes") {
- void persistentRequestLock(Address, MachineID, AccessType);
- void persistentRequestUnlock(Address, MachineID);
- MachineID findSmallest(Address);
- AccessType typeOfSmallest(Address);
- void markEntries(Address);
- bool isLocked(Address);
- int countStarvingForAddress(Address);
- int countReadStarvingForAddress(Address);
+ void persistentRequestLock(Addr, MachineID, AccessType);
+ void persistentRequestUnlock(Addr, MachineID);
+ MachineID findSmallest(Addr);
+ AccessType typeOfSmallest(Addr);
+ void markEntries(Addr);
+ bool isLocked(Addr);
+ int countStarvingForAddress(Addr);
+ int countReadStarvingForAddress(Addr);
}
PersistentTable persistentTable;
- PerfectCacheMemory localDirectory, template_hack="<L2Cache_DirEntry>";
+ PerfectCacheMemory localDirectory, template="<L2Cache_DirEntry>";
+ Tick clockEdge();
void set_cache_entry(AbstractCacheEntry b);
void unset_cache_entry();
- Entry getCacheEntry(Address address), return_by_pointer="yes" {
- Entry cache_entry := static_cast(Entry, "pointer", L2cacheMemory.lookup(address));
+ Entry getCacheEntry(Addr address), return_by_pointer="yes" {
+ Entry cache_entry := static_cast(Entry, "pointer", L2cache.lookup(address));
return cache_entry;
}
-
+
+ DirEntry getDirEntry(Addr address), return_by_pointer="yes" {
+ return localDirectory.lookup(address);
+ }
+
+ void functionalRead(Addr addr, Packet *pkt) {
+ testAndRead(addr, getCacheEntry(addr).DataBlk, pkt);
+ }
+
+ int functionalWrite(Addr addr, Packet *pkt) {
+ int num_functional_writes := 0;
+ num_functional_writes := num_functional_writes +
+ testAndWrite(addr, getCacheEntry(addr).DataBlk, pkt);
+ return num_functional_writes;
+ }
+
int getTokens(Entry cache_entry) {
if (is_valid(cache_entry)) {
return cache_entry.Tokens;
}
}
- State getState(Entry cache_entry, Address addr) {
+ State getState(Entry cache_entry, Addr addr) {
if (is_valid(cache_entry)) {
return cache_entry.CacheState;
- } else if (persistentTable.isLocked(addr) == true) {
+ } else if (persistentTable.isLocked(addr)) {
return State:I_L;
} else {
return State:NP;
}
}
- void setState(Entry cache_entry, Address addr, State state) {
+ void setState(Entry cache_entry, Addr addr, State state) {
if (is_valid(cache_entry)) {
// Make sure the token count is in range
}
}
- void removeSharer(Address addr, NodeID id) {
+ AccessPermission getAccessPermission(Addr addr) {
+ Entry cache_entry := getCacheEntry(addr);
+ if(is_valid(cache_entry)) {
+ return L2Cache_State_to_permission(cache_entry.CacheState);
+ }
+
+ return AccessPermission:NotPresent;
+ }
+
+ void setAccessPermission(Entry cache_entry, Addr addr, State state) {
+ if (is_valid(cache_entry)) {
+ cache_entry.changePermission(L2Cache_State_to_permission(state));
+ }
+ }
+
+ void removeSharer(Addr addr, NodeID id) {
if (localDirectory.isTagPresent(addr)) {
- localDirectory[addr].Sharers.remove(id);
- if (localDirectory[addr].Sharers.count() == 0) {
+ DirEntry dir_entry := getDirEntry(addr);
+ dir_entry.Sharers.remove(id);
+ if (dir_entry.Sharers.count() == 0) {
localDirectory.deallocate(addr);
}
}
}
- bool sharersExist(Address addr) {
+ bool sharersExist(Addr addr) {
if (localDirectory.isTagPresent(addr)) {
- if (localDirectory[addr].Sharers.count() > 0) {
+ DirEntry dir_entry := getDirEntry(addr);
+ if (dir_entry.Sharers.count() > 0) {
return true;
}
else {
}
}
- bool exclusiveExists(Address addr) {
+ bool exclusiveExists(Addr addr) {
if (localDirectory.isTagPresent(addr)) {
- if (localDirectory[addr].exclusive == true) {
+ DirEntry dir_entry := getDirEntry(addr);
+ if (dir_entry.exclusive) {
return true;
}
else {
}
// assumes that caller will check to make sure tag is present
- Set getSharers(Address addr) {
- return localDirectory[addr].Sharers;
+ Set getSharers(Addr addr) {
+ DirEntry dir_entry := getDirEntry(addr);
+ return dir_entry.Sharers;
}
- void setNewWriter(Address addr, NodeID id) {
+ void setNewWriter(Addr addr, NodeID id) {
if (localDirectory.isTagPresent(addr) == false) {
localDirectory.allocate(addr);
}
- localDirectory[addr].Sharers.clear();
- localDirectory[addr].Sharers.add(id);
- localDirectory[addr].exclusive := true;
+ DirEntry dir_entry := getDirEntry(addr);
+ dir_entry.Sharers.clear();
+ dir_entry.Sharers.add(id);
+ dir_entry.exclusive := true;
}
- void addNewSharer(Address addr, NodeID id) {
+ void addNewSharer(Addr addr, NodeID id) {
if (localDirectory.isTagPresent(addr) == false) {
localDirectory.allocate(addr);
}
- localDirectory[addr].Sharers.add(id);
- // localDirectory[addr].exclusive := false;
+ DirEntry dir_entry := getDirEntry(addr);
+ dir_entry.Sharers.add(id);
+ // dir_entry.exclusive := false;
}
- void clearExclusiveBitIfExists(Address addr) {
- if (localDirectory.isTagPresent(addr) == true) {
- localDirectory[addr].exclusive := false;
- }
- }
-
- GenericRequestType convertToGenericType(CoherenceRequestType type) {
- if(type == CoherenceRequestType:GETS) {
- return GenericRequestType:GETS;
- } else if(type == CoherenceRequestType:GETX) {
- return GenericRequestType:GETX;
- } else {
- DPRINTF(RubySlicc, "%s\n", type);
- error("invalid CoherenceRequestType");
+ void clearExclusiveBitIfExists(Addr addr) {
+ if (localDirectory.isTagPresent(addr)) {
+ DirEntry dir_entry := getDirEntry(addr);
+ dir_entry.exclusive := false;
}
}
// Persistent Network
in_port(persistentNetwork_in, PersistentMsg, persistentToL2Cache) {
- if (persistentNetwork_in.isReady()) {
+ if (persistentNetwork_in.isReady(clockEdge())) {
peek(persistentNetwork_in, PersistentMsg) {
assert(in_msg.Destination.isElement(machineID));
if (in_msg.Type == PersistentRequestType:GETX_PERSISTENT) {
- persistentTable.persistentRequestLock(in_msg.Address, in_msg.Requestor, AccessType:Write);
+ persistentTable.persistentRequestLock(in_msg.addr, in_msg.Requestor, AccessType:Write);
} else if (in_msg.Type == PersistentRequestType:GETS_PERSISTENT) {
- persistentTable.persistentRequestLock(in_msg.Address, in_msg.Requestor, AccessType:Read);
+ persistentTable.persistentRequestLock(in_msg.addr, in_msg.Requestor, AccessType:Read);
} else if (in_msg.Type == PersistentRequestType:DEACTIVATE_PERSISTENT) {
- persistentTable.persistentRequestUnlock(in_msg.Address, in_msg.Requestor);
+ persistentTable.persistentRequestUnlock(in_msg.addr, in_msg.Requestor);
} else {
error("Unexpected message");
}
- Entry cache_entry := getCacheEntry(in_msg.Address);
+ Entry cache_entry := getCacheEntry(in_msg.addr);
// React to the message based on the current state of the table
- if (persistentTable.isLocked(in_msg.Address)) {
+ if (persistentTable.isLocked(in_msg.addr)) {
- if (persistentTable.typeOfSmallest(in_msg.Address) == AccessType:Read) {
+ if (persistentTable.typeOfSmallest(in_msg.addr) == AccessType:Read) {
if (getTokens(cache_entry) == 1 ||
getTokens(cache_entry) == (max_tokens() / 2) + 1) {
- trigger(Event:Persistent_GETS_Last_Token, in_msg.Address,
+ trigger(Event:Persistent_GETS_Last_Token, in_msg.addr,
cache_entry);
} else {
- trigger(Event:Persistent_GETS, in_msg.Address, cache_entry);
+ trigger(Event:Persistent_GETS, in_msg.addr, cache_entry);
}
} else {
- trigger(Event:Persistent_GETX, in_msg.Address, cache_entry);
+ trigger(Event:Persistent_GETX, in_msg.addr, cache_entry);
}
}
else {
- trigger(Event:Own_Lock_or_Unlock, in_msg.Address, cache_entry);
+ trigger(Event:Own_Lock_or_Unlock, in_msg.addr, cache_entry);
}
}
}
// Request Network
in_port(requestNetwork_in, RequestMsg, GlobalRequestToL2Cache) {
- if (requestNetwork_in.isReady()) {
+ if (requestNetwork_in.isReady(clockEdge())) {
peek(requestNetwork_in, RequestMsg) {
assert(in_msg.Destination.isElement(machineID));
- Entry cache_entry := getCacheEntry(in_msg.Address);
+ Entry cache_entry := getCacheEntry(in_msg.addr);
if (in_msg.Type == CoherenceRequestType:GETX) {
- trigger(Event:Transient_GETX, in_msg.Address, cache_entry);
+ trigger(Event:Transient_GETX, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceRequestType:GETS) {
if (getTokens(cache_entry) == 1) {
- trigger(Event:Transient_GETS_Last_Token, in_msg.Address,
+ trigger(Event:Transient_GETS_Last_Token, in_msg.addr,
cache_entry);
}
else {
- trigger(Event:Transient_GETS, in_msg.Address, cache_entry);
+ trigger(Event:Transient_GETS, in_msg.addr, cache_entry);
}
} else {
error("Unexpected message");
}
in_port(L1requestNetwork_in, RequestMsg, L1RequestToL2Cache) {
- if (L1requestNetwork_in.isReady()) {
+ if (L1requestNetwork_in.isReady(clockEdge())) {
peek(L1requestNetwork_in, RequestMsg) {
assert(in_msg.Destination.isElement(machineID));
- Entry cache_entry := getCacheEntry(in_msg.Address);
+ Entry cache_entry := getCacheEntry(in_msg.addr);
if (in_msg.Type == CoherenceRequestType:GETX) {
- trigger(Event:L1_GETX, in_msg.Address, cache_entry);
+ trigger(Event:L1_GETX, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceRequestType:GETS) {
if (getTokens(cache_entry) == 1 ||
getTokens(cache_entry) == (max_tokens() / 2) + 1) {
- trigger(Event:L1_GETS_Last_Token, in_msg.Address, cache_entry);
+ trigger(Event:L1_GETS_Last_Token, in_msg.addr, cache_entry);
}
else {
- trigger(Event:L1_GETS, in_msg.Address, cache_entry);
+ trigger(Event:L1_GETS, in_msg.addr, cache_entry);
}
} else {
error("Unexpected message");
// Response Network
in_port(responseNetwork_in, ResponseMsg, responseToL2Cache) {
- if (responseNetwork_in.isReady()) {
+ if (responseNetwork_in.isReady(clockEdge())) {
peek(responseNetwork_in, ResponseMsg) {
assert(in_msg.Destination.isElement(machineID));
- Entry cache_entry := getCacheEntry(in_msg.Address);
+ Entry cache_entry := getCacheEntry(in_msg.addr);
if (getTokens(cache_entry) + in_msg.Tokens != max_tokens()) {
if (in_msg.Type == CoherenceResponseType:ACK) {
assert(in_msg.Tokens < (max_tokens() / 2));
- trigger(Event:Ack, in_msg.Address, cache_entry);
+ trigger(Event:Ack, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:DATA_OWNER) {
- trigger(Event:Data_Owner, in_msg.Address, cache_entry);
+ trigger(Event:Data_Owner, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:DATA_SHARED) {
- trigger(Event:Data_Shared, in_msg.Address, cache_entry);
+ trigger(Event:Data_Shared, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:WB_TOKENS ||
in_msg.Type == CoherenceResponseType:WB_OWNED ||
in_msg.Type == CoherenceResponseType:WB_SHARED_DATA) {
- if (L2cacheMemory.cacheAvail(in_msg.Address) || is_valid(cache_entry)) {
+ if (L2cache.cacheAvail(in_msg.addr) || is_valid(cache_entry)) {
// either room is available or the block is already present
if (in_msg.Type == CoherenceResponseType:WB_TOKENS) {
assert(in_msg.Dirty == false);
- trigger(Event:Writeback_Tokens, in_msg.Address, cache_entry);
+ trigger(Event:Writeback_Tokens, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:WB_SHARED_DATA) {
assert(in_msg.Dirty == false);
- trigger(Event:Writeback_Shared_Data, in_msg.Address, cache_entry);
+ trigger(Event:Writeback_Shared_Data, in_msg.addr, cache_entry);
}
else if (in_msg.Type == CoherenceResponseType:WB_OWNED) {
//assert(in_msg.Dirty == false);
- trigger(Event:Writeback_Owned, in_msg.Address, cache_entry);
+ trigger(Event:Writeback_Owned, in_msg.addr, cache_entry);
}
}
else {
trigger(Event:L2_Replacement,
- L2cacheMemory.cacheProbe(in_msg.Address),
- getCacheEntry(L2cacheMemory.cacheProbe(in_msg.Address)));
+ L2cache.cacheProbe(in_msg.addr),
+ getCacheEntry(L2cache.cacheProbe(in_msg.addr)));
}
} else if (in_msg.Type == CoherenceResponseType:INV) {
- trigger(Event:L1_INV, in_msg.Address, cache_entry);
+ trigger(Event:L1_INV, in_msg.addr, cache_entry);
} else {
error("Unexpected message");
}
} else {
if (in_msg.Type == CoherenceResponseType:ACK) {
assert(in_msg.Tokens < (max_tokens() / 2));
- trigger(Event:Ack_All_Tokens, in_msg.Address, cache_entry);
+ trigger(Event:Ack_All_Tokens, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:DATA_OWNER ||
in_msg.Type == CoherenceResponseType:DATA_SHARED) {
- trigger(Event:Data_All_Tokens, in_msg.Address, cache_entry);
+ trigger(Event:Data_All_Tokens, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:WB_TOKENS ||
in_msg.Type == CoherenceResponseType:WB_OWNED ||
in_msg.Type == CoherenceResponseType:WB_SHARED_DATA) {
- if (L2cacheMemory.cacheAvail(in_msg.Address) || is_valid(cache_entry)) {
+ if (L2cache.cacheAvail(in_msg.addr) || is_valid(cache_entry)) {
// either room is available or the block is already present
if (in_msg.Type == CoherenceResponseType:WB_TOKENS) {
assert(in_msg.Dirty == false);
- assert( (getState(cache_entry, in_msg.Address) != State:NP)
- && (getState(cache_entry, in_msg.Address) != State:I) );
- trigger(Event:Writeback_All_Tokens, in_msg.Address, cache_entry);
+ assert( (getState(cache_entry, in_msg.addr) != State:NP)
+ && (getState(cache_entry, in_msg.addr) != State:I) );
+ trigger(Event:Writeback_All_Tokens, in_msg.addr, cache_entry);
} else if (in_msg.Type == CoherenceResponseType:WB_SHARED_DATA) {
assert(in_msg.Dirty == false);
- trigger(Event:Writeback_All_Tokens, in_msg.Address, cache_entry);
+ trigger(Event:Writeback_All_Tokens, in_msg.addr, cache_entry);
}
else if (in_msg.Type == CoherenceResponseType:WB_OWNED) {
- trigger(Event:Writeback_All_Tokens, in_msg.Address, cache_entry);
+ trigger(Event:Writeback_All_Tokens, in_msg.addr, cache_entry);
}
}
else {
trigger(Event:L2_Replacement,
- L2cacheMemory.cacheProbe(in_msg.Address),
- getCacheEntry(L2cacheMemory.cacheProbe(in_msg.Address)));
+ L2cache.cacheProbe(in_msg.addr),
+ getCacheEntry(L2cache.cacheProbe(in_msg.addr)));
}
} else if (in_msg.Type == CoherenceResponseType:INV) {
- trigger(Event:L1_INV, in_msg.Address, cache_entry);
+ trigger(Event:L1_INV, in_msg.addr, cache_entry);
} else {
DPRINTF(RubySlicc, "%s\n", in_msg.Type);
error("Unexpected message");
peek(L1requestNetwork_in, RequestMsg) {
// if this is a retry or no local sharers, broadcast normally
-
- // if (in_msg.RetryNum > 0 || (in_msg.Type == CoherenceRequestType:GETX && exclusiveExists(in_msg.Address) == false) || (in_msg.Type == CoherenceRequestType:GETS && sharersExist(in_msg.Address) == false)) {
- enqueue(globalRequestNetwork_out, RequestMsg, latency=l2_request_latency) {
- out_msg.Address := in_msg.Address;
+ enqueue(globalRequestNetwork_out, RequestMsg, l2_request_latency) {
+ out_msg.addr := in_msg.addr;
out_msg.Type := in_msg.Type;
out_msg.Requestor := in_msg.Requestor;
out_msg.RetryNum := in_msg.RetryNum;
//
- // If a statically shared L2 cache, then no other L2 caches can
+ // If a statically shared L2 cache, then no other L2 caches can
// store the block
//
//out_msg.Destination.broadcast(MachineType:L2Cache);
action(bb_bounceResponse, "\b", desc="Bounce tokens and data to memory") {
peek(responseNetwork_in, ResponseMsg) {
// FIXME, should use a 3rd vnet
- enqueue(responseNetwork_out, ResponseMsg, latency="1") {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, 1) {
+ out_msg.addr := address;
out_msg.Type := in_msg.Type;
out_msg.Sender := machineID;
out_msg.Destination.add(map_Address_to_Directory(address));
action(c_cleanReplacement, "c", desc="Issue clean writeback") {
assert(is_valid(cache_entry));
if (cache_entry.Tokens > 0) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:ACK;
out_msg.Sender := machineID;
out_msg.Destination.add(map_Address_to_Directory(address));
action(cc_dirtyReplacement, "\c", desc="Issue dirty writeback") {
assert(is_valid(cache_entry));
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Sender := machineID;
out_msg.Destination.add(map_Address_to_Directory(address));
out_msg.Tokens := cache_entry.Tokens;
peek(requestNetwork_in, RequestMsg) {
assert(is_valid(cache_entry));
if (cache_entry.Tokens > (N_tokens + (max_tokens() / 2))) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_SHARED;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
cache_entry.Tokens := cache_entry.Tokens - N_tokens;
}
else {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_SHARED;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
action(dd_sendDataWithAllTokens, "\d", desc="Send data and all tokens from cache to requestor") {
assert(is_valid(cache_entry));
peek(requestNetwork_in, RequestMsg) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
action(e_sendAckWithCollectedTokens, "e", desc="Send ack with the tokens we've collected thus far.") {
assert(is_valid(cache_entry));
if (cache_entry.Tokens > 0) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:ACK;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
action(ee_sendDataWithAllTokens, "\e", desc="Send data and all tokens from cache to starver") {
assert(is_valid(cache_entry));
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
assert(is_valid(cache_entry));
assert(cache_entry.Tokens > 0);
if (cache_entry.Tokens > 1) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:ACK;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
//assert(persistentTable.findSmallest(address) != id); // Make sure we never bounce tokens to ourself
assert(is_valid(cache_entry));
assert(cache_entry.Tokens > (max_tokens() / 2) + 1);
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
//assert(persistentTable.findSmallest(address) != id); // Make sure we never bounce tokens to ourself
assert(is_valid(cache_entry));
assert(cache_entry.Tokens == (max_tokens() / 2) + 1);
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
// assert(persistentTable.isLocked(address));
peek(responseNetwork_in, ResponseMsg) {
// FIXME, should use a 3rd vnet in some cases
- enqueue(responseNetwork_out, ResponseMsg, latency="1") {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, 1) {
+ out_msg.addr := address;
out_msg.Type := in_msg.Type;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
//assert(persistentTable.isLocked(address));
peek(responseNetwork_in, ResponseMsg) {
// FIXME, should use a 3rd vnet in some cases
- enqueue(responseNetwork_out, ResponseMsg, latency="1") {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, 1) {
+ out_msg.addr := address;
if (in_msg.Type == CoherenceResponseType:WB_SHARED_DATA) {
out_msg.Type := CoherenceResponseType:DATA_SHARED;
} else {
// assert(persistentTable.isLocked(address));
peek(responseNetwork_in, ResponseMsg) {
// FIXME, should use a 3rd vnet in some cases
- enqueue(responseNetwork_out, ResponseMsg, latency="1") {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, 1) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(persistentTable.findSmallest(address));
action(h_updateFilterFromL1HintOrWB, "h", desc="update filter from received writeback") {
peek(responseNetwork_in, ResponseMsg) {
- removeSharer(in_msg.Address, machineIDToNodeID(in_msg.Sender));
+ removeSharer(in_msg.addr, machineIDToNodeID(in_msg.Sender));
}
}
action(j_forwardTransientRequestToLocalSharers, "j", desc="Forward external transient request to local sharers") {
peek(requestNetwork_in, RequestMsg) {
- if (filtering_enabled == true && in_msg.RetryNum == 0 && sharersExist(in_msg.Address) == false) {
+ if (filtering_enabled && in_msg.RetryNum == 0 && sharersExist(in_msg.addr) == false) {
//profile_filter_action(1);
DPRINTF(RubySlicc, "filtered message, Retry Num: %d\n",
in_msg.RetryNum);
}
else {
- enqueue(localRequestNetwork_out, RequestMsg, latency=l2_response_latency ) {
- out_msg.Address := in_msg.Address;
+ enqueue(localRequestNetwork_out, RequestMsg, l2_response_latency ) {
+ out_msg.addr := in_msg.addr;
out_msg.Requestor := in_msg.Requestor;
-
+
//
// Currently assuming only one chip so all L1s are local
//
peek(L1requestNetwork_in, RequestMsg) {
assert(is_valid(cache_entry));
assert(cache_entry.Tokens > 0);
- //enqueue(responseIntraChipL2Network_out, ResponseMsg, latency="L2_to_L1_RESPONSE_LATENCY") {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_SHARED;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
peek(L1requestNetwork_in, RequestMsg) {
assert(is_valid(cache_entry));
assert(cache_entry.Tokens == (max_tokens() / 2) + 1);
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
peek(L1requestNetwork_in, RequestMsg) {
assert(is_valid(cache_entry));
// assert(cache_entry.Tokens == max_tokens());
- //enqueue(responseIntraChipL2Network_out, ResponseMsg, latency="L2_to_L1_RESPONSE_LATENCY") {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:DATA_OWNER;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
}
action(l_popPersistentQueue, "l", desc="Pop persistent queue.") {
- persistentNetwork_in.dequeue();
+ persistentNetwork_in.dequeue(clockEdge());
}
action(m_popRequestQueue, "m", desc="Pop request queue.") {
- requestNetwork_in.dequeue();
+ requestNetwork_in.dequeue(clockEdge());
}
action(n_popResponseQueue, "n", desc="Pop response queue") {
- responseNetwork_in.dequeue();
+ responseNetwork_in.dequeue(clockEdge());
}
action(o_popL1RequestQueue, "o", desc="Pop L1 request queue.") {
- L1requestNetwork_in.dequeue();
+ L1requestNetwork_in.dequeue(clockEdge());
}
peek(L1requestNetwork_in, RequestMsg) {
if (machineIDToMachineType(in_msg.Requestor) == MachineType:L1Cache) {
if (in_msg.Type == CoherenceRequestType:GETX) {
- setNewWriter(in_msg.Address, machineIDToNodeID(in_msg.Requestor));
+ setNewWriter(in_msg.addr, machineIDToNodeID(in_msg.Requestor));
} else if (in_msg.Type == CoherenceRequestType:GETS) {
- addNewSharer(in_msg.Address, machineIDToNodeID(in_msg.Requestor));
+ addNewSharer(in_msg.addr, machineIDToNodeID(in_msg.Requestor));
}
}
}
peek(L1requestNetwork_in, RequestMsg) {
if ((machineIDToMachineType(in_msg.Requestor) == MachineType:L1Cache) &&
(is_valid(cache_entry))) {
- L2cacheMemory.setMRU(address);
+ L2cache.setMRU(address);
}
}
}
assert(is_valid(cache_entry));
if (cache_entry.Tokens > 0) {
peek(requestNetwork_in, RequestMsg) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:ACK;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
assert(is_valid(cache_entry));
if (cache_entry.Tokens > 0) {
peek(L1requestNetwork_in, RequestMsg) {
- enqueue(responseNetwork_out, ResponseMsg, latency=l2_response_latency) {
- out_msg.Address := address;
+ enqueue(responseNetwork_out, ResponseMsg, l2_response_latency) {
+ out_msg.addr := address;
out_msg.Type := CoherenceResponseType:ACK;
out_msg.Sender := machineID;
out_msg.Destination.add(in_msg.Requestor);
}
action(vv_allocateL2CacheBlock, "\v", desc="Set L2 cache tag equal to tag of block B.") {
- set_cache_entry(L2cacheMemory.allocate(address, new Entry));
+ set_cache_entry(L2cache.allocate(address, new Entry));
}
action(rr_deallocateL2CacheBlock, "\r", desc="Deallocate L2 cache block. Sets the cache to not present, allowing a replacement in parallel with a fetch.") {
- L2cacheMemory.deallocate(address);
+ L2cache.deallocate(address);
unset_cache_entry();
}
- action(uu_profileMiss, "\u", desc="Profile the demand miss") {
- peek(L1requestNetwork_in, RequestMsg) {
- L2cacheMemory.profileGenericRequest(convertToGenericType(in_msg.Type),
- in_msg.AccessMode,
- in_msg.Prefetch);
- }
+ action(uu_profileMiss, "\um", desc="Profile the demand miss") {
+ ++L2cache.demand_misses;
}
+ action(uu_profileHit, "\uh", desc="Profile the demand hit") {
+ ++L2cache.demand_hits;
+ }
action(w_assertIncomingDataAndCacheDataMatch, "w", desc="Assert that the incoming data and the data in the cache match") {
peek(responseNetwork_in, ResponseMsg) {
}
- transition(NP,
- {Persistent_GETX, Persistent_GETS, Persistent_GETS_Last_Token},
+ transition(NP,
+ {Persistent_GETX, Persistent_GETS, Persistent_GETS_Last_Token},
I_L) {
l_popPersistentQueue;
}
m_popRequestQueue;
}
- transition(I,
- {Persistent_GETX, Persistent_GETS, Persistent_GETS_Last_Token},
+ transition(I,
+ {Persistent_GETX, Persistent_GETS, Persistent_GETS_Last_Token},
I_L) {
e_sendAckWithCollectedTokens;
l_popPersistentQueue;
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataOwnerFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataAndAllTokensFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
k_dataFromL2CacheToL1Requestor;
r_markNewSharer;
r_setMRU;
+ uu_profileHit;
o_popL1RequestQueue;
}
projects / gem5.git / blobdiff