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/*
* 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.
*/
/*
* $Id$
*
*/
// CoherenceRequestType
enumeration(CoherenceRequestType, desc="...") {
GET_INSTR, desc="Get Instruction";
GETS, desc="Get Shared";
GETX, desc="Get eXclusive";
PUTX, desc="Put eXclusive";
}
// AddressMsg
structure(AddressMsg, desc="...", interface="NetworkMessage") {
Address Address, desc="Physical address for this request";
CoherenceRequestType Type, desc="Type of request (GetS, GetX, PutX, etc)";
int CacheState, default="1000", desc="Hack to transfer the cache's state for profiling"; // The default of 1000 will generate an error if we forget to set this
MachineID Requestor, desc="Node who initiated the request";
NetDest Destination, desc="Multicast destination mask";
DataBlock DataBlk, desc="data for the cache line"; // This is used for PutX and Downgrades only
MessageSizeType MessageSize, desc="size category of the message";
}
// DataMsg
structure(DataMsg, desc="...", interface="NetworkMessage") {
Address Address, desc="Physical address for this request";
MachineID Sender, desc="Node who sent the data";
// MachineType SenderType, desc="Component who sent data";
NetDest Destination, desc="Node to whom the data is sent";
MachineType DestMachine, desc="What component receives the data";
DataBlock DataBlk, desc="data for the cache line";
MessageSizeType MessageSize, desc="size category of the message";
}
GenericRequestType convertToGenericType(CoherenceRequestType type) {
if(type == CoherenceRequestType:PUTX) {
return GenericRequestType:PUTX;
} else if(type == CoherenceRequestType:GETS) {
return GenericRequestType:GETS;
} else if(type == CoherenceRequestType:GET_INSTR) {
return GenericRequestType:GET_INSTR;
} else if(type == CoherenceRequestType:GETX) {
return GenericRequestType:GETX;
} else {
DEBUG_EXPR(type);
error("invalid CoherenceRequestType");
}
}
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