114184Sgabeblack@google.com 214184Sgabeblack@google.com/* 314184Sgabeblack@google.com * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood 414184Sgabeblack@google.com * All rights reserved. 514184Sgabeblack@google.com * 614184Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 714184Sgabeblack@google.com * modification, are permitted provided that the following conditions are 814184Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 914184Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 1014184Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 1114184Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1214184Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1314184Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1414184Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1514184Sgabeblack@google.com * this software without specific prior written permission. 1614184Sgabeblack@google.com * 1714184Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1814184Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1914184Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2014184Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2114184Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2214184Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2314184Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2414184Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2514184Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2614184Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2714184Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2814184Sgabeblack@google.com */ 2914184Sgabeblack@google.com 3014184Sgabeblack@google.com/* 3114184Sgabeblack@google.com * $Id$ 3214184Sgabeblack@google.com * 3314184Sgabeblack@google.com */ 3414184Sgabeblack@google.com 3514184Sgabeblack@google.com// MemoryRequestType used in MemoryMsg 3614184Sgabeblack@google.com 3714184Sgabeblack@google.comenumeration(MemoryRequestType, desc="...") { 3814184Sgabeblack@google.com 3914184Sgabeblack@google.com // Southbound request: from directory to memory cache 4014184Sgabeblack@google.com // or directory to memory or memory cache to memory 4114184Sgabeblack@google.com MEMORY_READ, desc="Read request to memory"; 4214184Sgabeblack@google.com MEMORY_WB, desc="Write back data to memory"; 4314184Sgabeblack@google.com 4414184Sgabeblack@google.com // response from memory to directory 4514184Sgabeblack@google.com // (These are currently unused!) 4614184Sgabeblack@google.com MEMORY_DATA, desc="Data read from memory"; 4714184Sgabeblack@google.com MEMORY_ACK, desc="Write to memory acknowledgement"; 4814184Sgabeblack@google.com} 4914184Sgabeblack@google.com 5014184Sgabeblack@google.com 5114184Sgabeblack@google.com// Message to and from Memory Control 5214184Sgabeblack@google.com 5314184Sgabeblack@google.comstructure(MemoryMsg, desc="...", interface="Message") { 5414184Sgabeblack@google.com Addr addr, desc="Physical address for this request"; 5514184Sgabeblack@google.com MemoryRequestType Type, desc="Type of memory request (MEMORY_READ or MEMORY_WB)"; 5614184Sgabeblack@google.com MachineID Sender, desc="What component sent the data"; 5714184Sgabeblack@google.com MachineID OriginalRequestorMachId, desc="What component originally requested"; 5814184Sgabeblack@google.com DataBlock DataBlk, desc="Data to writeback"; 5914184Sgabeblack@google.com MessageSizeType MessageSize, desc="size category of the message"; 6014184Sgabeblack@google.com // Not all fields used by all protocols: 6114184Sgabeblack@google.com PrefetchBit Prefetch, desc="Is this a prefetch request"; 6214184Sgabeblack@google.com bool ReadX, desc="Exclusive"; 6314184Sgabeblack@google.com int Acks, desc="How many acks to expect"; 6414184Sgabeblack@google.com 6514184Sgabeblack@google.com bool functionalRead(Packet *pkt) { 6614184Sgabeblack@google.com return testAndRead(addr, DataBlk, pkt); 6714184Sgabeblack@google.com } 6814184Sgabeblack@google.com 6914184Sgabeblack@google.com bool functionalWrite(Packet *pkt) { 7014184Sgabeblack@google.com return testAndWrite(addr, DataBlk, pkt); 7114184Sgabeblack@google.com } 7214184Sgabeblack@google.com} 73