diff options
Diffstat (limited to 'src/mem/protocol/MESI_CMP_filter_directory-mem.sm')
| -rw-r--r-- | src/mem/protocol/MESI_CMP_filter_directory-mem.sm | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/mem/protocol/MESI_CMP_filter_directory-mem.sm b/src/mem/protocol/MESI_CMP_filter_directory-mem.sm deleted file mode 100644 index 1fcd234fe..000000000 --- a/src/mem/protocol/MESI_CMP_filter_directory-mem.sm +++ /dev/null @@ -1,166 +0,0 @@ - -/* - * Copyright (c) 1999-2005 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: MOESI_CMP_token-dir.sm 1.6 05/01/19 15:48:35-06:00 mikem@royal16.cs.wisc.edu $ - */ - - -machine(Directory, "Token protocol") { - - MessageBuffer requestToDir, network="From", virtual_network="2", ordered="false"; - MessageBuffer responseToDir, network="From", virtual_network="3", ordered="false"; - MessageBuffer responseFromDir, network="To", virtual_network="3", ordered="false"; - - // STATES - enumeration(State, desc="Directory states", default="Directory_State_I") { - // Base states - I, desc="Owner"; - } - - // Events - enumeration(Event, desc="Directory events") { - Fetch, desc="A GETX arrives"; - Data, desc="A GETS arrives"; - } - - // TYPES - - // DirectoryEntry - structure(Entry, desc="...") { - DataBlock DataBlk, desc="data for the block"; - } - - external_type(DirectoryMemory) { - Entry lookup(Address); - bool isPresent(Address); - } - - - // ** OBJECTS ** - - DirectoryMemory directory, constructor_hack="i"; - - State getState(Address addr) { - return State:I; - } - - void setState(Address addr, State state) { - } - - // ** OUT_PORTS ** - out_port(responseNetwork_out, ResponseMsg, responseFromDir); - - // ** IN_PORTS ** - - in_port(requestNetwork_in, RequestMsg, requestToDir) { - if (requestNetwork_in.isReady()) { - peek(requestNetwork_in, RequestMsg) { - assert(in_msg.Destination.isElement(machineID)); - if (in_msg.Type == CoherenceRequestType:GETS) { - trigger(Event:Fetch, in_msg.Address); - } else if (in_msg.Type == CoherenceRequestType:GETX) { - trigger(Event:Fetch, in_msg.Address); - } else { - error("Invalid message"); - } - } - } - } - - in_port(responseNetwork_in, ResponseMsg, responseToDir) { - if (responseNetwork_in.isReady()) { - peek(responseNetwork_in, ResponseMsg) { - assert(in_msg.Destination.isElement(machineID)); - if (in_msg.Type == CoherenceResponseType:MEMORY_DATA) { - trigger(Event:Data, in_msg.Address); - } else { - DEBUG_EXPR(in_msg.Type); - error("Invalid message"); - } - } - } - } - - // Actions - action(a_sendAck, "a", desc="Send ack to L2") { - peek(responseNetwork_in, ResponseMsg) { - enqueue(responseNetwork_out, ResponseMsg, latency="MEMORY_LATENCY") { - out_msg.Address := address; - out_msg.Type := CoherenceResponseType:MEMORY_ACK; - out_msg.Sender := machineID; - out_msg.Destination.add(in_msg.Sender); - out_msg.MessageSize := MessageSizeType:Response_Control; - } - } - } - - action(d_sendData, "d", desc="Send data to requestor") { - peek(requestNetwork_in, RequestMsg) { - enqueue(responseNetwork_out, ResponseMsg, latency="MEMORY_LATENCY") { - out_msg.Address := address; - out_msg.Type := CoherenceResponseType:MEMORY_DATA; - out_msg.Sender := machineID; - out_msg.Destination.add(in_msg.Requestor); - out_msg.DataBlk := directory[in_msg.Address].DataBlk; - out_msg.Dirty := false; - out_msg.MessageSize := MessageSizeType:Response_Data; - } - } - } - - action(j_popIncomingRequestQueue, "j", desc="Pop incoming request queue") { - requestNetwork_in.dequeue(); - } - - action(k_popIncomingResponseQueue, "k", desc="Pop incoming request queue") { - responseNetwork_in.dequeue(); - } - - action(m_writeDataToMemory, "m", desc="Write dirty writeback to memory") { - peek(responseNetwork_in, ResponseMsg) { - directory[in_msg.Address].DataBlk := in_msg.DataBlk; - DEBUG_EXPR(in_msg.Address); - DEBUG_EXPR(in_msg.DataBlk); - } - } - - // TRANSITIONS - - transition(I, Fetch) { - d_sendData; - j_popIncomingRequestQueue; - } - - transition(I, Data) { - m_writeDataToMemory; - a_sendAck; - k_popIncomingResponseQueue; - } -} |