diff options
Diffstat (limited to 'src/mem/protocol/MOSI_SMP_bcast_m-dir.sm')
| -rw-r--r-- | src/mem/protocol/MOSI_SMP_bcast_m-dir.sm | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/src/mem/protocol/MOSI_SMP_bcast_m-dir.sm b/src/mem/protocol/MOSI_SMP_bcast_m-dir.sm deleted file mode 100644 index e241ea25c..000000000 --- a/src/mem/protocol/MOSI_SMP_bcast_m-dir.sm +++ /dev/null @@ -1,345 +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. - */ - -/* - * $Id$ - * - */ - -machine(Directory, "MOSI Broadcast Optimized") { - - - MessageBuffer addressFromDir, network="To", virtual_network="0", ordered="true"; - MessageBuffer dataFromDir, network="To", virtual_network="1", ordered="false"; - - MessageBuffer addressToDir, network="From", virtual_network="0", ordered="true"; - MessageBuffer dataToDir, network="From", virtual_network="1", ordered="false"; - - - enumeration(State, desc="Directory states", default="Directory_State_C") { - C, desc="Cold - no processor has requested this line"; - I, desc="Idle"; - S, desc="Shared"; - SS, desc="Shared, 2 or more shares"; - OS, desc="Owned by a cache"; - OSS, desc="Owned by a cache, present in at least 3 caches"; - M, desc="Modified", format="!b"; - } - - // ** EVENTS ** - - enumeration(Event, desc="Directory events") { - // From Address network - OtherAddress, desc="We saw an address msg to someone else"; - GETS, desc="A GETS arrives"; - GET_INSTR, desc="A GETInstr arrives"; - GETX, desc="A GETX arrives", format="!r"; - PUTX_Owner, desc="A PUTX arrives, requestor is owner"; - PUTX_NotOwner, desc="A PUTX arrives, requestor is not owner", format="!r"; - Memory_Data, desc="Fetched data from memory arrives"; - Memory_Ack, desc="Writeback Ack from memory arrives"; - } - - // TYPES - - // DirectoryEntry - structure(Entry, desc="...") { - State DirectoryState, desc="Directory state"; - bool DirOwner, default="true", desc="Is dir owner?"; - MachineID ProcOwner, desc="Processor Owner"; - DataBlock DataBlk, desc="data for the block"; - } - - external_type(DirectoryMemory) { - Entry lookup(Address); - bool isPresent(Address); - } - - // to simulate detailed DRAM - external_type(MemoryControl, inport="yes", outport="yes") { - - } - - // ** OBJECTS ** - - DirectoryMemory directory, constructor_hack="i"; - MemoryControl memBuffer, constructor_hack="i"; - - void profile_request(int cache_state, State directory_state, GenericRequestType request_type); - - State getState(Address addr) { - if (directory.isPresent(addr)) { - return directory[addr].DirectoryState; - } - return State:C; - } - - void setState(Address addr, State state) { - if (directory.isPresent(addr)) { - directory[addr].DirectoryState := state; - } - } - - // ** OUT_PORTS ** - - out_port(dataNetwork_out, DataMsg, dataFromDir); - out_port(addressNetwork_out, AddressMsg, addressFromDir); - out_port(memQueue_out, MemoryMsg, memBuffer); - - - // ** IN_PORTS ** - - // Address Network - in_port(addressNetwork_in, AddressMsg, addressToDir) { - if (addressNetwork_in.isReady()) { - peek(addressNetwork_in, AddressMsg) { - if(map_Address_to_Directory(in_msg.Address) != machineID) { - trigger(Event:OtherAddress, in_msg.Address); - } else if (in_msg.Type == CoherenceRequestType:GETS) { - trigger(Event:GETS, in_msg.Address); - } else if (in_msg.Type == CoherenceRequestType:GET_INSTR) { - trigger(Event:GET_INSTR, in_msg.Address); - } else if (in_msg.Type == CoherenceRequestType:GETX) { - trigger(Event:GETX, in_msg.Address); - } else if (in_msg.Type == CoherenceRequestType:PUTX) { - if (in_msg.Requestor == directory[in_msg.Address].ProcOwner && directory[in_msg.Address].DirOwner == false) { - trigger(Event:PUTX_Owner, in_msg.Address); - } else { - trigger(Event:PUTX_NotOwner, in_msg.Address); - } - } else { - error("unexpected message"); - } - } - } - } - - // 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(d_sendDataMsg, "d", desc="Send data message to requestor") { - peek(memQueue_in, MemoryMsg) { - enqueue(dataNetwork_out, DataMsg, latency="1") { - out_msg.Address := in_msg.Address; - out_msg.Sender := machineID; - out_msg.Destination.add(in_msg.OriginalRequestorMachId); - out_msg.DestMachine := MachineType:L1Cache; - //out_msg.DataBlk := directory[in_msg.Address].DataBlk; - out_msg.DataBlk := in_msg.DataBlk; - out_msg.MessageSize := MessageSizeType:Data; - DEBUG_EXPR(in_msg.OriginalRequestorMachId); - DEBUG_EXPR(out_msg.DataBlk); - } - } - } - - action(j_popAddressQueue, "j", desc="Pop address queue.") { - addressNetwork_in.dequeue(); - } - - action(l_popMemQueue, "q", desc="Pop off-chip request queue") { - memQueue_in.dequeue(); - } - - action(p_profile, "p", desc="Profile this transition.") { - peek(addressNetwork_in, AddressMsg) { - profile_request(in_msg.CacheState, getState(address), convertToGenericType(in_msg.Type)); - } - } - - action(m_setOwnerRequestor, "m", desc="Set owner = requestor") { - peek(addressNetwork_in, AddressMsg) { - directory[in_msg.Address].ProcOwner := in_msg.Requestor; - directory[in_msg.Address].DirOwner := false; - } - } - - action(qf_queueMemoryFetchRequest, "qf", desc="Queue off-chip fetch request") { - peek(addressNetwork_in, AddressMsg) { - enqueue(memQueue_out, MemoryMsg, latency="1") { - out_msg.Address := address; - out_msg.Type := MemoryRequestType:MEMORY_READ; - out_msg.Sender := machineID; - out_msg.OriginalRequestorMachId := in_msg.Requestor; - out_msg.DataBlk := directory[in_msg.Address].DataBlk; - out_msg.MessageSize := in_msg.MessageSize; - //out_msg.Prefetch := in_msg.Prefetch; - DEBUG_EXPR(out_msg); - } - } - } - - action(qw_queueMemoryWBRequest, "qw", desc="Queue off-chip writeback request") { - peek(addressNetwork_in, AddressMsg) { - enqueue(memQueue_out, MemoryMsg, latency="1") { - out_msg.Address := address; - out_msg.Type := MemoryRequestType:MEMORY_WB; - out_msg.Sender := machineID; - out_msg.OriginalRequestorMachId := in_msg.Requestor; - out_msg.DataBlk := in_msg.DataBlk; - out_msg.MessageSize := in_msg.MessageSize; - //out_msg.Prefetch := in_msg.Prefetch; - DEBUG_EXPR(out_msg); - } - } - } - - action(r_writeDataFromRequest, "r", desc="Write request data to memory") { - peek(addressNetwork_in, AddressMsg) { - directory[in_msg.Address].DataBlk := in_msg.DataBlk; - DEBUG_EXPR(in_msg.Address); - DEBUG_EXPR(in_msg.DataBlk); - } - } - - action(x_setOwnerToDirectory, "x", desc="Set owner equal to the directory"){ - peek(addressNetwork_in, AddressMsg) { - directory[in_msg.Address].DirOwner := true; - } - } - - // TRANSITIONS - - // Ignore all address and data messages not bound for us - transition(C, OtherAddress) { - j_popAddressQueue; - } - - // PUTX_NotOwner Transitions - transition({I, S, SS, OS, OSS, M}, PUTX_NotOwner) { - p_profile; - j_popAddressQueue; - } - - // Transitions from Idle - transition({C, I}, {GETS,GET_INSTR}, S) { - //d_sendDataMsg; - qf_queueMemoryFetchRequest; - p_profile; - j_popAddressQueue; - } - - transition({C, I}, GETX, M) { - //d_sendDataMsg; - qf_queueMemoryFetchRequest; - m_setOwnerRequestor; - p_profile; - j_popAddressQueue - } - - // Transitions from Shared - transition({S, SS}, {GETS,GET_INSTR}, SS) { - //d_sendDataMsg; - qf_queueMemoryFetchRequest; - p_profile; - j_popAddressQueue; - } - - transition({S, SS}, GETX, M) { - //d_sendDataMsg; - qf_queueMemoryFetchRequest; - m_setOwnerRequestor; - p_profile; - j_popAddressQueue; - } - - // Transitions from Owned - transition({OS, OSS}, {GETS,GET_INSTR}, OSS) { - p_profile; - j_popAddressQueue; - } - - transition({OS, OSS}, GETX, M) { - m_setOwnerRequestor; - p_profile; - j_popAddressQueue; - } - - transition(OS, PUTX_Owner, S) { - x_setOwnerToDirectory; - r_writeDataFromRequest; - qw_queueMemoryWBRequest; - p_profile; - j_popAddressQueue; - } - - transition(OSS, PUTX_Owner, SS) { - x_setOwnerToDirectory; - r_writeDataFromRequest; - qw_queueMemoryWBRequest; - p_profile; - j_popAddressQueue; - } - - // Transitions from Modified - transition(M, {GETS,GET_INSTR}, OS) { - p_profile; - j_popAddressQueue; - } - - transition(M, GETX) { - m_setOwnerRequestor; - p_profile; - j_popAddressQueue; - } - - transition(M, PUTX_Owner, I) { - x_setOwnerToDirectory; - r_writeDataFromRequest; - qw_queueMemoryWBRequest; - p_profile; - j_popAddressQueue; - } - - transition({C, I, S, SS, OS, OSS, M}, Memory_Data) { - d_sendDataMsg; - l_popMemQueue; - } - - transition({C, I, S, SS, OS, OSS, M}, Memory_Ack) { - //a_sendAck; - l_popMemQueue; - } - -} |