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[/] [ht_tunnel/] [tags/] [START/] [bench/] [core/] [ControlPacket.cpp] - Rev 21
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//ControlPacket.h /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is HyperTransport Tunnel IP Core. * * The Initial Developer of the Original Code is * Ecole Polytechnique de Montreal. * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Ami Castonguay <acastong@grm.polymtl.ca> * * Alternatively, the contents of this file may be used under the terms * of the Polytechnique HyperTransport Tunnel IP Core Source Code License * (the "PHTICSCL License", see the file PHTICSCL.txt), in which case the * provisions of PHTICSCL License are applicable instead of those * above. If you wish to allow use of your version of this file only * under the terms of the PHTICSCL License and not to allow others to use * your version of this file under the MPL, indicate your decision by * deleting the provisions above and replace them with the notice and * other provisions required by the PHTICSCL License. If you do not delete * the provisions above, a recipient may use your version of this file * under either the MPL or the PHTICSCL License." * * ***** END LICENSE BLOCK ***** */ #include "ht_datatypes.h" bool ControlPacket::outputExtraInformation = false; PacketContainer ControlPacket::createPacketFromDword(const sc_bv<32> &dWord){ //First start by finding the type of packet sc_bv<6> cmd = dWord(5 , 0); PacketType pkt_type = getPacketType(cmd); PacketCommand pkt_command = getPacketCommand(cmd); //Create a default packet ControlPacket* pkt = NULL; //From the packet type, create an object of the appropriate //derived class and return it if(pkt_type == INFO){ if(pkt_command == SYNC) pkt = new SyncPacket(dWord); else if(pkt_command == NOP) pkt = new NopPacket(dWord); } else if(pkt_type == RESPONSE){ if(pkt_command == RD_RESPONSE) pkt = new ReadResponsePacket(dWord); else if(pkt_command == TGTDONE) pkt = new TargetDonePacket(dWord); } else if(pkt_type == REQUEST) { if(pkt_command == FLUSH) pkt = new FlushPacket(dWord); else if (pkt_command == FENCE) pkt = new FencePacket(dWord); else if (pkt_command == READ) pkt = new ReadPacket(dWord); else if (pkt_command == WRITE) pkt = new WritePacket(dWord); else if (pkt_command == BROADCAST) pkt = new BroadcastPacket(dWord); else if (pkt_command == ATOMIC) pkt = new AtomicPacket(dWord); } return PacketContainer(pkt); } PacketContainer ControlPacket::createPacketFromQuadWord(const sc_bv<64> &qWord){ //First start by finding the type of packet sc_bv<6> cmd = qWord(5 , 0); PacketType pkt_type = getPacketType(cmd); PacketCommand pkt_command = getPacketCommand(cmd); //Create a default packet ControlPacket *pkt = NULL; //From the packet type, create an object of the appropriate //derived class and return it if(pkt_type == INFO){ if(pkt_command == SYNC) pkt = new SyncPacket(qWord); else pkt = new NopPacket(qWord); } else if(pkt_type == RESPONSE){ if(pkt_command == RD_RESPONSE) pkt = new ReadResponsePacket(qWord); else if(pkt_command == TGTDONE) pkt = new TargetDonePacket(qWord); } else if(pkt_type == REQUEST) { if(pkt_command == FLUSH) pkt = new FlushPacket(qWord); else if (pkt_command == FENCE) pkt = new FencePacket(qWord); else if (pkt_command == READ) pkt = new ReadPacket(qWord); else if (pkt_command == WRITE) pkt = new WritePacket(qWord); else if (pkt_command == BROADCAST) pkt = new BroadcastPacket(qWord); else if (pkt_command == ATOMIC) pkt = new AtomicPacket(qWord); } return PacketContainer(pkt); } void ControlPacket::setSecondDword(const sc_bv<32> &dWord){ bv.range(63,32) = dWord; } /** To know the exact command of the packet */ PacketCommand ControlPacket::getPacketCommand() const{ sc_bv<6> cmd = bv.range(5,0); return getPacketCommand(cmd); } /** To parse a cmd vector */ PacketCommand ControlPacket::getPacketCommand(const sc_bv<6> &cmd){ //Check the command vector against all known //sequences if(cmd == "000000") return NOP; else if(cmd == "111111") return SYNC; else if(cmd == "110000") return RD_RESPONSE; else if(cmd == "110011") return TGTDONE; else if(cmd.range(4 , 3) == "01") return WRITE; else if(cmd.range(5 , 4) == "01") return READ; else if(cmd == "111010") return BROADCAST; else if(cmd == "111100") return FENCE; else if(cmd == "111101") return ATOMIC; else if(cmd == "110111") return EXTENDED_FLOW; else if(cmd == "000010") return FLUSH; else if(cmd == "111110") return ADDR_EXT; else return RESERVED_CMD; } /** To know the type of packet from a command vector */ PacketType ControlPacket::getPacketType(const sc_bv<6> &cmd){ //Check the command vector against all known //sequences if(cmd == "000000" || cmd == "111111" || cmd == "110111"){ return INFO; } else if(cmd == "110000" || cmd == "110011"){ return RESPONSE; } else if(cmd.range(5 , 3) == "001" || cmd.range(5 , 3) == "101" || cmd.range(5 , 4) == "01" || cmd == "111010" || cmd == "111100" || cmd == "111101" || cmd == "000010") { return REQUEST; } else if(cmd == "111101"){ return ADDR_EXT_TYPE; } else{ return RESERVED_TYPE; } } //extern function to allow the ControlPacket to be used as an sc_signal void sc_trace(sc_trace_file *tf, const ControlPacket& v, const sc_string& NAME) { sc_trace(tf,v.getVector(), NAME); } //To test if the content of another packet is identical bool ControlPacket::operator== (const ControlPacket &test_pkt) const{ return test_pkt.bv == bv; } //To output the bit content of the packet ostream &operator<<(ostream &out,const ControlPacket &pkt){ out << pkt.getVector().to_string(SC_HEX); if(ControlPacket::outputExtraInformation){ out << endl << "Virtual channel : " << pkt.getVirtualChannel() << endl; out << "PacketType : " << pkt.getPacketType() << endl; out << "PacketCommand : " << pkt.getPacketCommand() << endl; out << "HasData : " << pkt.hasDataAssociated() << " Length : " << ((unsigned)pkt.getDataLengthm1() + 1) << endl; } return out; } sc_bv<32> ControlPacket::createAddressExtensionDoubleWord(sc_bv<24> &addressExtension){ sc_bv<32> tempVector; sc_bv<6> command = "111110"; tempVector.range(5,0) = command; tempVector.range(31,8) = addressExtension; return tempVector; }
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