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authorNilay Vaish <nilay@cs.wisc.edu>2014-01-04 00:03:33 -0600
committerNilay Vaish <nilay@cs.wisc.edu>2014-01-04 00:03:33 -0600
commitbb6d7d402b5cc610ed879e9e7ecb251e353149e6 (patch)
tree2724cd730d3867978ddefe2b1cdead47fefa6bc0 /src/mem/protocol/MESI_CMP_directory-L2cache.sm
parent9ec59e8b691d0f2e49f0a8ea6e1284b1d9e4e669 (diff)
downloadgem5-bb6d7d402b5cc610ed879e9e7ecb251e353149e6.tar.xz
ruby: rename MESI_CMP_directory to MESI_Two_Level
This is because the next patch introduces a three level hierarchy. --HG-- rename : build_opts/ALPHA_MESI_CMP_directory => build_opts/ALPHA_MESI_Two_Level rename : build_opts/X86_MESI_CMP_directory => build_opts/X86_MESI_Two_Level rename : configs/ruby/MESI_CMP_directory.py => configs/ruby/MESI_Two_Level.py rename : src/mem/protocol/MESI_CMP_directory-L1cache.sm => src/mem/protocol/MESI_Two_Level-L1cache.sm rename : src/mem/protocol/MESI_CMP_directory-L2cache.sm => src/mem/protocol/MESI_Two_Level-L2cache.sm rename : src/mem/protocol/MESI_CMP_directory-dir.sm => src/mem/protocol/MESI_Two_Level-dir.sm rename : src/mem/protocol/MESI_CMP_directory-dma.sm => src/mem/protocol/MESI_Two_Level-dma.sm rename : src/mem/protocol/MESI_CMP_directory-msg.sm => src/mem/protocol/MESI_Two_Level-msg.sm rename : src/mem/protocol/MESI_CMP_directory.slicc => src/mem/protocol/MESI_Two_Level.slicc rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/config.ini => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/simerr => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/simerr rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/simout => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/simout rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/system.pc.com_1.terminal => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/system.pc.com_1.terminal rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/config.ini => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/simerr => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/simerr rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/simout => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/simout rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/config.ini => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/simerr => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/simerr rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/simout => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/simout rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/config.ini => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/simerr => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/simerr rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/simout => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/simout rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/config.ini => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/simerr => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simerr rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/simout => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simout rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/stats.txt
Diffstat (limited to 'src/mem/protocol/MESI_CMP_directory-L2cache.sm')
-rw-r--r--src/mem/protocol/MESI_CMP_directory-L2cache.sm1079
1 files changed, 0 insertions, 1079 deletions
diff --git a/src/mem/protocol/MESI_CMP_directory-L2cache.sm b/src/mem/protocol/MESI_CMP_directory-L2cache.sm
deleted file mode 100644
index 2b174bf76..000000000
--- a/src/mem/protocol/MESI_CMP_directory-L2cache.sm
+++ /dev/null
@@ -1,1079 +0,0 @@
-/*
- * 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
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * $Id: MSI_MOSI_CMP_directory-L2cache.sm 1.12 05/01/19 15:55:40-06:00 beckmann@s0-28.cs.wisc.edu $
- *
- */
-
-machine(L2Cache, "MESI Directory L2 Cache CMP")
- : CacheMemory * L2cache,
- Cycles l2_request_latency = 2,
- Cycles l2_response_latency = 2,
- Cycles to_l1_latency = 1
-{
- // L2 BANK QUEUES
- // From local bank of L2 cache TO the network
- MessageBuffer DirRequestFromL2Cache, network="To", virtual_network="0",
- ordered="false", vnet_type="request"; // this L2 bank -> Memory
- MessageBuffer L1RequestFromL2Cache, network="To", virtual_network="0",
- ordered="false", vnet_type="request"; // this L2 bank -> a local L1
- MessageBuffer responseFromL2Cache, network="To", virtual_network="1",
- ordered="false", vnet_type="response"; // this L2 bank -> a local L1 || Memory
-
- // FROM the network to this local bank of L2 cache
- MessageBuffer unblockToL2Cache, network="From", virtual_network="2",
- ordered="false", vnet_type="unblock"; // a local L1 || Memory -> this L2 bank
- MessageBuffer L1RequestToL2Cache, network="From", virtual_network="0",
- ordered="false", vnet_type="request"; // a local L1 -> this L2 bank
- MessageBuffer responseToL2Cache, network="From", virtual_network="1",
- ordered="false", vnet_type="response"; // a local L1 || Memory -> this L2 bank
-
- // STATES
- state_declaration(State, desc="L2 Cache states", default="L2Cache_State_NP") {
- // Base states
- NP, AccessPermission:Invalid, desc="Not present in either cache";
- SS, AccessPermission:Read_Only, desc="L2 cache entry Shared, also present in one or more L1s";
- M, AccessPermission:Read_Write, desc="L2 cache entry Modified, not present in any L1s", format="!b";
- MT, AccessPermission:Maybe_Stale, desc="L2 cache entry Modified in a local L1, assume L2 copy stale", format="!b";
-
- // L2 replacement
- M_I, AccessPermission:Busy, desc="L2 cache replacing, have all acks, sent dirty data to memory, waiting for ACK from memory";
- MT_I, AccessPermission:Busy, desc="L2 cache replacing, getting data from exclusive";
- MCT_I, AccessPermission:Busy, desc="L2 cache replacing, clean in L2, getting data or ack from exclusive";
- I_I, AccessPermission:Busy, desc="L2 replacing clean data, need to inv sharers and then drop data";
- S_I, AccessPermission:Busy, desc="L2 replacing dirty data, collecting acks from L1s";
-
- // Transient States for fetching data from memory
- ISS, AccessPermission:Busy, desc="L2 idle, got single L1_GETS, issued memory fetch, have not seen response yet";
- IS, AccessPermission:Busy, desc="L2 idle, got L1_GET_INSTR or multiple L1_GETS, issued memory fetch, have not seen response yet";
- IM, AccessPermission:Busy, desc="L2 idle, got L1_GETX, issued memory fetch, have not seen response(s) yet";
-
- // Blocking states
- SS_MB, AccessPermission:Busy, desc="Blocked for L1_GETX from SS";
- MT_MB, AccessPermission:Busy, desc="Blocked for L1_GETX from MT";
-
- MT_IIB, AccessPermission:Busy, desc="Blocked for L1_GETS from MT, waiting for unblock and data";
- MT_IB, AccessPermission:Busy, desc="Blocked for L1_GETS from MT, got unblock, waiting for data";
- MT_SB, AccessPermission:Busy, desc="Blocked for L1_GETS from MT, got data, waiting for unblock";
-
- }
-
- // EVENTS
- enumeration(Event, desc="L2 Cache events") {
- // L2 events
-
- // events initiated by the local L1s
- L1_GET_INSTR, desc="a L1I GET INSTR request for a block maped to us";
- L1_GETS, desc="a L1D GETS request for a block maped to us";
- L1_GETX, desc="a L1D GETX request for a block maped to us";
- L1_UPGRADE, desc="a L1D GETX request for a block maped to us";
-
- L1_PUTX, desc="L1 replacing data";
- L1_PUTX_old, desc="L1 replacing data, but no longer sharer";
-
- // events initiated by this L2
- L2_Replacement, desc="L2 Replacement", format="!r";
- L2_Replacement_clean, desc="L2 Replacement, but data is clean", format="!r";
-
- // events from memory controller
- Mem_Data, desc="data from memory", format="!r";
- Mem_Ack, desc="ack from memory", format="!r";
-
- // M->S data writeback
- WB_Data, desc="data from L1";
- WB_Data_clean, desc="clean data from L1";
- Ack, desc="writeback ack";
- Ack_all, desc="writeback ack";
-
- Unblock, desc="Unblock from L1 requestor";
- Exclusive_Unblock, desc="Unblock from L1 requestor";
-
- MEM_Inv, desc="Invalidation from directory";
- }
-
- // TYPES
-
- // CacheEntry
- structure(Entry, desc="...", interface="AbstractCacheEntry") {
- State CacheState, desc="cache state";
- NetDest Sharers, desc="tracks the L1 shares on-chip";
- MachineID Exclusive, desc="Exclusive holder of block";
- DataBlock DataBlk, desc="data for the block";
- bool Dirty, default="false", desc="data is dirty";
- }
-
- // TBE fields
- structure(TBE, desc="...") {
- Address Addr, desc="Physical address for this TBE";
- State TBEState, desc="Transient state";
- DataBlock DataBlk, desc="Buffer for the data block";
- bool Dirty, default="false", desc="Data is Dirty";
-
- NetDest L1_GetS_IDs, desc="Set of the internal processors that want the block in shared state";
- MachineID L1_GetX_ID, desc="ID of the L1 cache to forward the block to once we get a response";
- int pendingAcks, desc="number of pending acks for invalidates during writeback";
- }
-
- structure(TBETable, external="yes") {
- TBE lookup(Address);
- void allocate(Address);
- void deallocate(Address);
- bool isPresent(Address);
- }
-
- TBETable L2_TBEs, template="<L2Cache_TBE>", constructor="m_number_of_TBEs";
-
- void set_cache_entry(AbstractCacheEntry a);
- void unset_cache_entry();
- void set_tbe(TBE a);
- void unset_tbe();
- void wakeUpBuffers(Address a);
- void profileMsgDelay(int virtualNetworkType, Cycles c);
-
- // inclusive cache, returns L2 entries only
- Entry getCacheEntry(Address addr), return_by_pointer="yes" {
- return static_cast(Entry, "pointer", L2cache[addr]);
- }
-
- bool isSharer(Address addr, MachineID requestor, Entry cache_entry) {
- if (is_valid(cache_entry)) {
- return cache_entry.Sharers.isElement(requestor);
- } else {
- return false;
- }
- }
-
- void addSharer(Address addr, MachineID requestor, Entry cache_entry) {
- assert(is_valid(cache_entry));
- DPRINTF(RubySlicc, "machineID: %s, requestor: %s, address: %s\n",
- machineID, requestor, addr);
- cache_entry.Sharers.add(requestor);
- }
-
- State getState(TBE tbe, Entry cache_entry, Address addr) {
- if(is_valid(tbe)) {
- return tbe.TBEState;
- } else if (is_valid(cache_entry)) {
- return cache_entry.CacheState;
- }
- return State:NP;
- }
-
- void setState(TBE tbe, Entry cache_entry, Address addr, State state) {
- // MUST CHANGE
- if (is_valid(tbe)) {
- tbe.TBEState := state;
- }
-
- if (is_valid(cache_entry)) {
- cache_entry.CacheState := state;
- }
- }
-
- AccessPermission getAccessPermission(Address addr) {
- TBE tbe := L2_TBEs[addr];
- if(is_valid(tbe)) {
- DPRINTF(RubySlicc, "%s\n", L2Cache_State_to_permission(tbe.TBEState));
- return L2Cache_State_to_permission(tbe.TBEState);
- }
-
- Entry cache_entry := getCacheEntry(addr);
- if(is_valid(cache_entry)) {
- DPRINTF(RubySlicc, "%s\n", L2Cache_State_to_permission(cache_entry.CacheState));
- return L2Cache_State_to_permission(cache_entry.CacheState);
- }
-
- DPRINTF(RubySlicc, "%s\n", AccessPermission:NotPresent);
- return AccessPermission:NotPresent;
- }
-
- DataBlock getDataBlock(Address addr), return_by_ref="yes" {
- TBE tbe := L2_TBEs[addr];
- if(is_valid(tbe)) {
- return tbe.DataBlk;
- }
-
- return getCacheEntry(addr).DataBlk;
- }
-
- void setAccessPermission(Entry cache_entry, Address addr, State state) {
- if (is_valid(cache_entry)) {
- cache_entry.changePermission(L2Cache_State_to_permission(state));
- }
- }
-
- Event L1Cache_request_type_to_event(CoherenceRequestType type, Address addr,
- MachineID requestor, Entry cache_entry) {
- if(type == CoherenceRequestType:GETS) {
- return Event:L1_GETS;
- } else if(type == CoherenceRequestType:GET_INSTR) {
- return Event:L1_GET_INSTR;
- } else if (type == CoherenceRequestType:GETX) {
- return Event:L1_GETX;
- } else if (type == CoherenceRequestType:UPGRADE) {
- if ( is_valid(cache_entry) && cache_entry.Sharers.isElement(requestor) ) {
- return Event:L1_UPGRADE;
- } else {
- return Event:L1_GETX;
- }
- } else if (type == CoherenceRequestType:PUTX) {
- if (isSharer(addr, requestor, cache_entry)) {
- return Event:L1_PUTX;
- } else {
- return Event:L1_PUTX_old;
- }
- } else {
- DPRINTF(RubySlicc, "address: %s, Request Type: %s\n", addr, type);
- error("Invalid L1 forwarded request type");
- }
- }
-
- int getPendingAcks(TBE tbe) {
- return tbe.pendingAcks;
- }
-
- bool isDirty(Entry cache_entry) {
- assert(is_valid(cache_entry));
- return cache_entry.Dirty;
- }
-
- // ** OUT_PORTS **
-
- out_port(L1RequestIntraChipL2Network_out, RequestMsg, L1RequestFromL2Cache);
- out_port(DirRequestIntraChipL2Network_out, RequestMsg, DirRequestFromL2Cache);
- out_port(responseIntraChipL2Network_out, ResponseMsg, responseFromL2Cache);
-
-
- in_port(L1unblockNetwork_in, ResponseMsg, unblockToL2Cache, rank = 2) {
- if(L1unblockNetwork_in.isReady()) {
- peek(L1unblockNetwork_in, ResponseMsg) {
- Entry cache_entry := getCacheEntry(in_msg.Addr);
- TBE tbe := L2_TBEs[in_msg.Addr];
- DPRINTF(RubySlicc, "Addr: %s State: %s Sender: %s Type: %s Dest: %s\n",
- in_msg.Addr, getState(tbe, cache_entry, in_msg.Addr),
- in_msg.Sender, in_msg.Type, in_msg.Destination);
-
- assert(in_msg.Destination.isElement(machineID));
- if (in_msg.Type == CoherenceResponseType:EXCLUSIVE_UNBLOCK) {
- trigger(Event:Exclusive_Unblock, in_msg.Addr, cache_entry, tbe);
- } else if (in_msg.Type == CoherenceResponseType:UNBLOCK) {
- trigger(Event:Unblock, in_msg.Addr, cache_entry, tbe);
- } else {
- error("unknown unblock message");
- }
- }
- }
- }
-
- // Response IntraChip L2 Network - response msg to this particular L2 bank
- in_port(responseIntraChipL2Network_in, ResponseMsg, responseToL2Cache, rank = 1) {
- if (responseIntraChipL2Network_in.isReady()) {
- peek(responseIntraChipL2Network_in, ResponseMsg) {
- // test wether it's from a local L1 or an off chip source
- assert(in_msg.Destination.isElement(machineID));
- Entry cache_entry := getCacheEntry(in_msg.Addr);
- TBE tbe := L2_TBEs[in_msg.Addr];
-
- if(machineIDToMachineType(in_msg.Sender) == MachineType:L1Cache) {
- if(in_msg.Type == CoherenceResponseType:DATA) {
- if (in_msg.Dirty) {
- trigger(Event:WB_Data, in_msg.Addr, cache_entry, tbe);
- } else {
- trigger(Event:WB_Data_clean, in_msg.Addr, cache_entry, tbe);
- }
- } else if (in_msg.Type == CoherenceResponseType:ACK) {
- if ((getPendingAcks(tbe) - in_msg.AckCount) == 0) {
- trigger(Event:Ack_all, in_msg.Addr, cache_entry, tbe);
- } else {
- trigger(Event:Ack, in_msg.Addr, cache_entry, tbe);
- }
- } else {
- error("unknown message type");
- }
-
- } else { // external message
- if(in_msg.Type == CoherenceResponseType:MEMORY_DATA) {
- trigger(Event:Mem_Data, in_msg.Addr, cache_entry, tbe);
- } else if(in_msg.Type == CoherenceResponseType:MEMORY_ACK) {
- trigger(Event:Mem_Ack, in_msg.Addr, cache_entry, tbe);
- } else if(in_msg.Type == CoherenceResponseType:INV) {
- trigger(Event:MEM_Inv, in_msg.Addr, cache_entry, tbe);
- } else {
- error("unknown message type");
- }
- }
- }
- } // if not ready, do nothing
- }
-
- // L1 Request
- in_port(L1RequestIntraChipL2Network_in, RequestMsg, L1RequestToL2Cache, rank = 0) {
- if(L1RequestIntraChipL2Network_in.isReady()) {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- Entry cache_entry := getCacheEntry(in_msg.Addr);
- TBE tbe := L2_TBEs[in_msg.Addr];
-
- DPRINTF(RubySlicc, "Addr: %s State: %s Req: %s Type: %s Dest: %s\n",
- in_msg.Addr, getState(tbe, cache_entry, in_msg.Addr),
- in_msg.Requestor, in_msg.Type, in_msg.Destination);
-
- assert(machineIDToMachineType(in_msg.Requestor) == MachineType:L1Cache);
- assert(in_msg.Destination.isElement(machineID));
-
- if (is_valid(cache_entry)) {
- // The L2 contains the block, so proceeded with handling the request
- trigger(L1Cache_request_type_to_event(in_msg.Type, in_msg.Addr,
- in_msg.Requestor, cache_entry),
- in_msg.Addr, cache_entry, tbe);
- } else {
- if (L2cache.cacheAvail(in_msg.Addr)) {
- // L2 does't have the line, but we have space for it in the L2
- trigger(L1Cache_request_type_to_event(in_msg.Type, in_msg.Addr,
- in_msg.Requestor, cache_entry),
- in_msg.Addr, cache_entry, tbe);
- } else {
- // No room in the L2, so we need to make room before handling the request
- Entry L2cache_entry := getCacheEntry(L2cache.cacheProbe(in_msg.Addr));
- if (isDirty(L2cache_entry)) {
- trigger(Event:L2_Replacement, L2cache.cacheProbe(in_msg.Addr),
- L2cache_entry, L2_TBEs[L2cache.cacheProbe(in_msg.Addr)]);
- } else {
- trigger(Event:L2_Replacement_clean, L2cache.cacheProbe(in_msg.Addr),
- L2cache_entry, L2_TBEs[L2cache.cacheProbe(in_msg.Addr)]);
- }
- }
- }
- }
- }
- }
-
-
- // ACTIONS
-
- action(a_issueFetchToMemory, "a", desc="fetch data from memory") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(DirRequestIntraChipL2Network_out, RequestMsg, latency=l2_request_latency) {
- out_msg.Addr := address;
- out_msg.Type := CoherenceRequestType:GETS;
- out_msg.Requestor := machineID;
- out_msg.Destination.add(map_Address_to_Directory(address));
- out_msg.MessageSize := MessageSizeType:Control;
- }
- }
- }
-
- action(b_forwardRequestToExclusive, "b", desc="Forward request to the exclusive L1") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(L1RequestIntraChipL2Network_out, RequestMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := in_msg.Type;
- out_msg.Requestor := in_msg.Requestor;
- out_msg.Destination.add(cache_entry.Exclusive);
- out_msg.MessageSize := MessageSizeType:Request_Control;
- }
- }
- }
-
- action(c_exclusiveReplacement, "c", desc="Send data to memory") {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=l2_response_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:MEMORY_DATA;
- out_msg.Sender := machineID;
- out_msg.Destination.add(map_Address_to_Directory(address));
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.Dirty := cache_entry.Dirty;
- out_msg.MessageSize := MessageSizeType:Response_Data;
- }
- }
-
- action(c_exclusiveCleanReplacement, "cc", desc="Send ack to memory for clean replacement") {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=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));
- out_msg.MessageSize := MessageSizeType:Response_Control;
- }
- }
-
- action(ct_exclusiveReplacementFromTBE, "ct", desc="Send data to memory") {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=l2_response_latency) {
- assert(is_valid(tbe));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:MEMORY_DATA;
- out_msg.Sender := machineID;
- out_msg.Destination.add(map_Address_to_Directory(address));
- out_msg.DataBlk := tbe.DataBlk;
- out_msg.Dirty := tbe.Dirty;
- out_msg.MessageSize := MessageSizeType:Response_Data;
- }
- }
-
- action(d_sendDataToRequestor, "d", desc="Send data from cache to reqeustor") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=l2_response_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA;
- out_msg.Sender := machineID;
- out_msg.Destination.add(in_msg.Requestor);
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.MessageSize := MessageSizeType:Response_Data;
-
- out_msg.AckCount := 0 - cache_entry.Sharers.count();
- if (cache_entry.Sharers.isElement(in_msg.Requestor)) {
- out_msg.AckCount := out_msg.AckCount + 1;
- }
- }
- }
- }
-
- action(dd_sendExclusiveDataToRequestor, "dd", desc="Send data from cache to reqeustor") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=l2_response_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA_EXCLUSIVE;
- out_msg.Sender := machineID;
- out_msg.Destination.add(in_msg.Requestor);
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.MessageSize := MessageSizeType:Response_Data;
-
- out_msg.AckCount := 0 - cache_entry.Sharers.count();
- if (cache_entry.Sharers.isElement(in_msg.Requestor)) {
- out_msg.AckCount := out_msg.AckCount + 1;
- }
- }
- }
- }
-
- action(ds_sendSharedDataToRequestor, "ds", desc="Send data from cache to reqeustor") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=l2_response_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA;
- out_msg.Sender := machineID;
- out_msg.Destination.add(in_msg.Requestor);
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.MessageSize := MessageSizeType:Response_Data;
- out_msg.AckCount := 0;
- }
- }
- }
-
- action(e_sendDataToGetSRequestors, "e", desc="Send data from cache to all GetS IDs") {
- assert(is_valid(tbe));
- assert(tbe.L1_GetS_IDs.count() > 0);
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA;
- out_msg.Sender := machineID;
- out_msg.Destination := tbe.L1_GetS_IDs; // internal nodes
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.MessageSize := MessageSizeType:Response_Data;
- }
- }
-
- action(ex_sendExclusiveDataToGetSRequestors, "ex", desc="Send data from cache to all GetS IDs") {
- assert(is_valid(tbe));
- assert(tbe.L1_GetS_IDs.count() == 1);
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA_EXCLUSIVE;
- out_msg.Sender := machineID;
- out_msg.Destination := tbe.L1_GetS_IDs; // internal nodes
- out_msg.DataBlk := cache_entry.DataBlk;
- out_msg.MessageSize := MessageSizeType:Response_Data;
- }
- }
-
- action(ee_sendDataToGetXRequestor, "ee", desc="Send data from cache to GetX ID") {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=to_l1_latency) {
- assert(is_valid(tbe));
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:DATA;
- out_msg.Sender := machineID;
- out_msg.Destination.add(tbe.L1_GetX_ID);
- DPRINTF(RubySlicc, "%s\n", out_msg.Destination);
- out_msg.DataBlk := cache_entry.DataBlk;
- DPRINTF(RubySlicc, "Address: %s, Destination: %s, DataBlock: %s\n",
- out_msg.Addr, out_msg.Destination, out_msg.DataBlk);
- out_msg.MessageSize := MessageSizeType:Response_Data;
- }
- }
-
- action(f_sendInvToSharers, "f", desc="invalidate sharers for L2 replacement") {
- enqueue(L1RequestIntraChipL2Network_out, RequestMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceRequestType:INV;
- out_msg.Requestor := machineID;
- out_msg.Destination := cache_entry.Sharers;
- out_msg.MessageSize := MessageSizeType:Request_Control;
- }
- }
-
- action(fw_sendFwdInvToSharers, "fw", desc="invalidate sharers for request") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(L1RequestIntraChipL2Network_out, RequestMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceRequestType:INV;
- out_msg.Requestor := in_msg.Requestor;
- out_msg.Destination := cache_entry.Sharers;
- out_msg.MessageSize := MessageSizeType:Request_Control;
- }
- }
- }
-
- action(fwm_sendFwdInvToSharersMinusRequestor, "fwm", desc="invalidate sharers for request, requestor is sharer") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(L1RequestIntraChipL2Network_out, RequestMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceRequestType:INV;
- out_msg.Requestor := in_msg.Requestor;
- out_msg.Destination := cache_entry.Sharers;
- out_msg.Destination.remove(in_msg.Requestor);
- out_msg.MessageSize := MessageSizeType:Request_Control;
- }
- }
- }
-
- // OTHER ACTIONS
- action(i_allocateTBE, "i", desc="Allocate TBE for request") {
- check_allocate(L2_TBEs);
- assert(is_valid(cache_entry));
- L2_TBEs.allocate(address);
- set_tbe(L2_TBEs[address]);
- tbe.L1_GetS_IDs.clear();
- tbe.DataBlk := cache_entry.DataBlk;
- tbe.Dirty := cache_entry.Dirty;
- tbe.pendingAcks := cache_entry.Sharers.count();
- }
-
- action(s_deallocateTBE, "s", desc="Deallocate external TBE") {
- L2_TBEs.deallocate(address);
- unset_tbe();
- }
-
- action(jj_popL1RequestQueue, "\j", desc="Pop incoming L1 request queue") {
- profileMsgDelay(0, L1RequestIntraChipL2Network_in.dequeue_getDelayCycles());
- }
-
- action(k_popUnblockQueue, "k", desc="Pop incoming unblock queue") {
- profileMsgDelay(0, L1unblockNetwork_in.dequeue_getDelayCycles());
- }
-
- action(o_popIncomingResponseQueue, "o", desc="Pop Incoming Response queue") {
- profileMsgDelay(1, responseIntraChipL2Network_in.dequeue_getDelayCycles());
- }
-
- action(m_writeDataToCache, "m", desc="Write data from response queue to cache") {
- peek(responseIntraChipL2Network_in, ResponseMsg) {
- assert(is_valid(cache_entry));
- cache_entry.DataBlk := in_msg.DataBlk;
- if (in_msg.Dirty) {
- cache_entry.Dirty := in_msg.Dirty;
- }
- }
- }
-
- action(mr_writeDataToCacheFromRequest, "mr", desc="Write data from response queue to cache") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(cache_entry));
- cache_entry.DataBlk := in_msg.DataBlk;
- if (in_msg.Dirty) {
- cache_entry.Dirty := in_msg.Dirty;
- }
- }
- }
-
- action(q_updateAck, "q", desc="update pending ack count") {
- peek(responseIntraChipL2Network_in, ResponseMsg) {
- assert(is_valid(tbe));
- tbe.pendingAcks := tbe.pendingAcks - in_msg.AckCount;
- APPEND_TRANSITION_COMMENT(in_msg.AckCount);
- APPEND_TRANSITION_COMMENT(" p: ");
- APPEND_TRANSITION_COMMENT(tbe.pendingAcks);
- }
- }
-
- action(qq_writeDataToTBE, "\qq", desc="Write data from response queue to TBE") {
- peek(responseIntraChipL2Network_in, ResponseMsg) {
- assert(is_valid(tbe));
- tbe.DataBlk := in_msg.DataBlk;
- tbe.Dirty := in_msg.Dirty;
- }
- }
-
- action(ss_recordGetSL1ID, "\s", desc="Record L1 GetS for load response") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(tbe));
- tbe.L1_GetS_IDs.add(in_msg.Requestor);
- }
- }
-
- action(xx_recordGetXL1ID, "\x", desc="Record L1 GetX for store response") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(tbe));
- tbe.L1_GetX_ID := in_msg.Requestor;
- }
- }
-
- action(set_setMRU, "\set", desc="set the MRU entry") {
- L2cache.setMRU(address);
- }
-
- action(qq_allocateL2CacheBlock, "\q", desc="Set L2 cache tag equal to tag of block B.") {
- if (is_invalid(cache_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.") {
- L2cache.deallocate(address);
- unset_cache_entry();
- }
-
- action(t_sendWBAck, "t", desc="Send writeback ACK") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=to_l1_latency) {
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:WB_ACK;
- out_msg.Sender := machineID;
- out_msg.Destination.add(in_msg.Requestor);
- out_msg.MessageSize := MessageSizeType:Response_Control;
- }
- }
- }
-
- action(ts_sendInvAckToUpgrader, "ts", desc="Send ACK to upgrader") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- enqueue(responseIntraChipL2Network_out, ResponseMsg, latency=to_l1_latency) {
- assert(is_valid(cache_entry));
- out_msg.Addr := address;
- out_msg.Type := CoherenceResponseType:ACK;
- out_msg.Sender := machineID;
- out_msg.Destination.add(in_msg.Requestor);
- out_msg.MessageSize := MessageSizeType:Response_Control;
- // upgrader doesn't get ack from itself, hence the + 1
- out_msg.AckCount := 0 - cache_entry.Sharers.count() + 1;
- }
- }
- }
-
- 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(nn_addSharer, "\n", desc="Add L1 sharer to list") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(cache_entry));
- addSharer(address, in_msg.Requestor, cache_entry);
- APPEND_TRANSITION_COMMENT( cache_entry.Sharers );
- }
- }
-
- action(nnu_addSharerFromUnblock, "\nu", desc="Add L1 sharer to list") {
- peek(L1unblockNetwork_in, ResponseMsg) {
- assert(is_valid(cache_entry));
- addSharer(address, in_msg.Sender, cache_entry);
- }
- }
-
- action(kk_removeRequestSharer, "\k", desc="Remove L1 Request sharer from list") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(cache_entry));
- cache_entry.Sharers.remove(in_msg.Requestor);
- }
- }
-
- action(ll_clearSharers, "\l", desc="Remove all L1 sharers from list") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(cache_entry));
- cache_entry.Sharers.clear();
- }
- }
-
- action(mm_markExclusive, "\m", desc="set the exclusive owner") {
- peek(L1RequestIntraChipL2Network_in, RequestMsg) {
- assert(is_valid(cache_entry));
- cache_entry.Sharers.clear();
- cache_entry.Exclusive := in_msg.Requestor;
- addSharer(address, in_msg.Requestor, cache_entry);
- }
- }
-
- action(mmu_markExclusiveFromUnblock, "\mu", desc="set the exclusive owner") {
- peek(L1unblockNetwork_in, ResponseMsg) {
- assert(is_valid(cache_entry));
- cache_entry.Sharers.clear();
- cache_entry.Exclusive := in_msg.Sender;
- addSharer(address, in_msg.Sender, cache_entry);
- }
- }
-
- action(zz_stallAndWaitL1RequestQueue, "zz", desc="recycle L1 request queue") {
- stall_and_wait(L1RequestIntraChipL2Network_in, address);
- }
-
- action(zn_recycleResponseNetwork, "zn", desc="recycle memory request") {
- responseIntraChipL2Network_in.recycle();
- }
-
- action(kd_wakeUpDependents, "kd", desc="wake-up dependents") {
- wakeUpBuffers(address);
- }
-
- //*****************************************************
- // TRANSITIONS
- //*****************************************************
-
-
- //===============================================
- // BASE STATE - I
-
- // Transitions from I (Idle)
- transition({NP, IS, ISS, IM, SS, M, M_I, I_I, S_I, MT_IB, MT_SB}, L1_PUTX) {
- t_sendWBAck;
- jj_popL1RequestQueue;
- }
-
- transition({NP, SS, M, MT, M_I, I_I, S_I, IS, ISS, IM, MT_IB, MT_SB}, L1_PUTX_old) {
- t_sendWBAck;
- jj_popL1RequestQueue;
- }
-
- transition({IM, IS, ISS, SS_MB, MT_MB, MT_IIB, MT_IB, MT_SB}, {L2_Replacement, L2_Replacement_clean}) {
- zz_stallAndWaitL1RequestQueue;
- }
-
- transition({IM, IS, ISS, SS_MB, MT_MB, MT_IIB, MT_IB, MT_SB}, MEM_Inv) {
- zn_recycleResponseNetwork;
- }
-
- transition({I_I, S_I, M_I, MT_I, MCT_I, NP}, MEM_Inv) {
- o_popIncomingResponseQueue;
- }
-
-
- transition({SS_MB, MT_MB, MT_IIB, MT_IB, MT_SB}, {L1_GETS, L1_GET_INSTR, L1_GETX, L1_UPGRADE}) {
- zz_stallAndWaitL1RequestQueue;
- }
-
-
- transition(NP, L1_GETS, ISS) {
- qq_allocateL2CacheBlock;
- ll_clearSharers;
- nn_addSharer;
- i_allocateTBE;
- ss_recordGetSL1ID;
- a_issueFetchToMemory;
- uu_profileMiss;
- jj_popL1RequestQueue;
- }
-
- transition(NP, L1_GET_INSTR, IS) {
- qq_allocateL2CacheBlock;
- ll_clearSharers;
- nn_addSharer;
- i_allocateTBE;
- ss_recordGetSL1ID;
- a_issueFetchToMemory;
- uu_profileMiss;
- jj_popL1RequestQueue;
- }
-
- transition(NP, L1_GETX, IM) {
- qq_allocateL2CacheBlock;
- ll_clearSharers;
- // nn_addSharer;
- i_allocateTBE;
- xx_recordGetXL1ID;
- a_issueFetchToMemory;
- uu_profileMiss;
- jj_popL1RequestQueue;
- }
-
-
- // transitions from IS/IM
-
- transition(ISS, Mem_Data, MT_MB) {
- m_writeDataToCache;
- ex_sendExclusiveDataToGetSRequestors;
- s_deallocateTBE;
- o_popIncomingResponseQueue;
- }
-
- transition(IS, Mem_Data, SS) {
- m_writeDataToCache;
- e_sendDataToGetSRequestors;
- s_deallocateTBE;
- o_popIncomingResponseQueue;
- kd_wakeUpDependents;
- }
-
- transition(IM, Mem_Data, MT_MB) {
- m_writeDataToCache;
- ee_sendDataToGetXRequestor;
- s_deallocateTBE;
- o_popIncomingResponseQueue;
- }
-
- transition({IS, ISS}, {L1_GETS, L1_GET_INSTR}, IS) {
- nn_addSharer;
- ss_recordGetSL1ID;
- uu_profileMiss;
- jj_popL1RequestQueue;
- }
-
- transition({IS, ISS}, L1_GETX) {
- zz_stallAndWaitL1RequestQueue;
- }
-
- transition(IM, {L1_GETX, L1_GETS, L1_GET_INSTR}) {
- zz_stallAndWaitL1RequestQueue;
- }
-
- // transitions from SS
- transition(SS, {L1_GETS, L1_GET_INSTR}) {
- ds_sendSharedDataToRequestor;
- nn_addSharer;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
-
- transition(SS, L1_GETX, SS_MB) {
- d_sendDataToRequestor;
- // fw_sendFwdInvToSharers;
- fwm_sendFwdInvToSharersMinusRequestor;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
- transition(SS, L1_UPGRADE, SS_MB) {
- fwm_sendFwdInvToSharersMinusRequestor;
- ts_sendInvAckToUpgrader;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
- transition(SS, L2_Replacement_clean, I_I) {
- i_allocateTBE;
- f_sendInvToSharers;
- rr_deallocateL2CacheBlock;
- }
-
- transition(SS, {L2_Replacement, MEM_Inv}, S_I) {
- i_allocateTBE;
- f_sendInvToSharers;
- rr_deallocateL2CacheBlock;
- }
-
-
- transition(M, L1_GETX, MT_MB) {
- d_sendDataToRequestor;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
- transition(M, L1_GET_INSTR, SS) {
- d_sendDataToRequestor;
- nn_addSharer;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
- transition(M, L1_GETS, MT_MB) {
- dd_sendExclusiveDataToRequestor;
- set_setMRU;
- uu_profileHit;
- jj_popL1RequestQueue;
- }
-
- transition(M, {L2_Replacement, MEM_Inv}, M_I) {
- i_allocateTBE;
- c_exclusiveReplacement;
- rr_deallocateL2CacheBlock;
- }
-
- transition(M, L2_Replacement_clean, M_I) {
- i_allocateTBE;
- c_exclusiveCleanReplacement;
- rr_deallocateL2CacheBlock;
- }
-
-
- // transitions from MT
-
- transition(MT, L1_GETX, MT_MB) {
- b_forwardRequestToExclusive;
- uu_profileMiss;
- set_setMRU;
- jj_popL1RequestQueue;
- }
-
-
- transition(MT, {L1_GETS, L1_GET_INSTR}, MT_IIB) {
- b_forwardRequestToExclusive;
- uu_profileMiss;
- set_setMRU;
- jj_popL1RequestQueue;
- }
-
- transition(MT, {L2_Replacement, MEM_Inv}, MT_I) {
- i_allocateTBE;
- f_sendInvToSharers;
- rr_deallocateL2CacheBlock;
- }
-
- transition(MT, L2_Replacement_clean, MCT_I) {
- i_allocateTBE;
- f_sendInvToSharers;
- rr_deallocateL2CacheBlock;
- }
-
- transition(MT, L1_PUTX, M) {
- ll_clearSharers;
- mr_writeDataToCacheFromRequest;
- t_sendWBAck;
- jj_popL1RequestQueue;
- }
-
- transition({SS_MB,MT_MB}, Exclusive_Unblock, MT) {
- // update actual directory
- mmu_markExclusiveFromUnblock;
- k_popUnblockQueue;
- kd_wakeUpDependents;
- }
-
- transition(MT_IIB, {L1_PUTX, L1_PUTX_old}){
- zz_stallAndWaitL1RequestQueue;
- }
-
- transition(MT_IIB, Unblock, MT_IB) {
- nnu_addSharerFromUnblock;
- k_popUnblockQueue;
- }
-
- transition(MT_IIB, {WB_Data, WB_Data_clean}, MT_SB) {
- m_writeDataToCache;
- o_popIncomingResponseQueue;
- }
-
- transition(MT_IB, {WB_Data, WB_Data_clean}, SS) {
- m_writeDataToCache;
- o_popIncomingResponseQueue;
- kd_wakeUpDependents;
- }
-
- transition(MT_SB, Unblock, SS) {
- nnu_addSharerFromUnblock;
- k_popUnblockQueue;
- kd_wakeUpDependents;
- }
-
- // writeback states
- transition({I_I, S_I, MT_I, MCT_I, M_I}, {L1_GETX, L1_UPGRADE, L1_GETS, L1_GET_INSTR}) {
- zz_stallAndWaitL1RequestQueue;
- }
-
- transition(I_I, Ack) {
- q_updateAck;
- o_popIncomingResponseQueue;
- }
-
- transition(I_I, Ack_all, M_I) {
- c_exclusiveCleanReplacement;
- o_popIncomingResponseQueue;
- }
-
- transition({MT_I, MCT_I}, WB_Data, M_I) {
- qq_writeDataToTBE;
- ct_exclusiveReplacementFromTBE;
- o_popIncomingResponseQueue;
- }
-
- transition(MCT_I, {WB_Data_clean, Ack_all}, M_I) {
- c_exclusiveCleanReplacement;
- o_popIncomingResponseQueue;
- }
-
- transition(MCT_I, {L1_PUTX, L1_PUTX_old}){
- zz_stallAndWaitL1RequestQueue;
- }
-
- // L1 never changed Dirty data
- transition(MT_I, {WB_Data_clean, Ack_all}, M_I) {
- ct_exclusiveReplacementFromTBE;
- o_popIncomingResponseQueue;
- }
-
- transition(MT_I, {L1_PUTX, L1_PUTX_old}){
- zz_stallAndWaitL1RequestQueue;
- }
-
- // possible race between unblock and immediate replacement
- transition({MT_MB,SS_MB}, {L1_PUTX, L1_PUTX_old}) {
- zz_stallAndWaitL1RequestQueue;
- }
-
- transition(S_I, Ack) {
- q_updateAck;
- o_popIncomingResponseQueue;
- }
-
- transition(S_I, Ack_all, M_I) {
- ct_exclusiveReplacementFromTBE;
- o_popIncomingResponseQueue;
- }
-
- transition(M_I, Mem_Ack, NP) {
- s_deallocateTBE;
- o_popIncomingResponseQueue;
- kd_wakeUpDependents;
- }
-}