1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Steve Reinhardt 29 */ 30 31/** 32 * @file 33 * Port object definitions. 34 */ 35#include <cstring> 36 37#include "base/chunk_generator.hh" 38#include "base/trace.hh" 39#include "mem/mem_object.hh" 40#include "mem/port.hh" 41 42class DefaultPeerPort : public Port 43{ 44 protected:
| 1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Steve Reinhardt 29 */ 30 31/** 32 * @file 33 * Port object definitions. 34 */ 35#include <cstring> 36 37#include "base/chunk_generator.hh" 38#include "base/trace.hh" 39#include "mem/mem_object.hh" 40#include "mem/port.hh" 41 42class DefaultPeerPort : public Port 43{ 44 protected:
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78 { 79 blowUp(); 80 return 0; 81 } 82 83 void getDeviceAddressRanges(AddrRangeList &, bool &) 84 { 85 blowUp(); 86 } 87 88 bool isDefaultPort() const { return true; } 89}; 90 91DefaultPeerPort defaultPeerPort; 92 93Port::Port(const std::string &_name, MemObject *_owner) 94 : EventManager(_owner), portName(_name), peer(&defaultPeerPort), 95 owner(_owner) 96{ 97} 98 99Port::~Port() 100{ 101} 102 103void 104Port::setPeer(Port *port) 105{ 106 DPRINTF(Config, "setting peer to %s\n", port->name()); 107 108 peer = port; 109} 110 111void 112Port::setOwner(MemObject *_owner) 113{ 114 eventq = _owner->queue(); 115 owner = _owner; 116} 117 118void 119Port::removeConn() 120{ 121 if (peer->getOwner()) 122 peer->getOwner()->deletePortRefs(peer); 123 peer = NULL; 124} 125 126void 127Port::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd) 128{ 129 Request req; 130 131 for (ChunkGenerator gen(addr, size, peerBlockSize()); 132 !gen.done(); gen.next()) { 133 req.setPhys(gen.addr(), gen.size(), 0); 134 Packet pkt(&req, cmd, Packet::Broadcast); 135 pkt.dataStatic(p); 136 sendFunctional(&pkt); 137 p += gen.size(); 138 } 139} 140 141void 142Port::writeBlob(Addr addr, uint8_t *p, int size) 143{ 144 blobHelper(addr, p, size, MemCmd::WriteReq); 145} 146 147void 148Port::readBlob(Addr addr, uint8_t *p, int size) 149{ 150 blobHelper(addr, p, size, MemCmd::ReadReq); 151} 152 153void 154Port::memsetBlob(Addr addr, uint8_t val, int size) 155{ 156 // quick and dirty... 157 uint8_t *buf = new uint8_t[size]; 158 159 std::memset(buf, val, size); 160 blobHelper(addr, buf, size, MemCmd::WriteReq); 161 162 delete [] buf; 163} 164 165 166void 167Port::printAddr(Addr a) 168{ 169 Request req(a, 1, 0); 170 Packet pkt(&req, MemCmd::PrintReq, Packet::Broadcast); 171 Packet::PrintReqState prs(std::cerr); 172 pkt.senderState = &prs; 173 174 sendFunctional(&pkt); 175}
| 79 { 80 blowUp(); 81 return 0; 82 } 83 84 void getDeviceAddressRanges(AddrRangeList &, bool &) 85 { 86 blowUp(); 87 } 88 89 bool isDefaultPort() const { return true; } 90}; 91 92DefaultPeerPort defaultPeerPort; 93 94Port::Port(const std::string &_name, MemObject *_owner) 95 : EventManager(_owner), portName(_name), peer(&defaultPeerPort), 96 owner(_owner) 97{ 98} 99 100Port::~Port() 101{ 102} 103 104void 105Port::setPeer(Port *port) 106{ 107 DPRINTF(Config, "setting peer to %s\n", port->name()); 108 109 peer = port; 110} 111 112void 113Port::setOwner(MemObject *_owner) 114{ 115 eventq = _owner->queue(); 116 owner = _owner; 117} 118 119void 120Port::removeConn() 121{ 122 if (peer->getOwner()) 123 peer->getOwner()->deletePortRefs(peer); 124 peer = NULL; 125} 126 127void 128Port::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd) 129{ 130 Request req; 131 132 for (ChunkGenerator gen(addr, size, peerBlockSize()); 133 !gen.done(); gen.next()) { 134 req.setPhys(gen.addr(), gen.size(), 0); 135 Packet pkt(&req, cmd, Packet::Broadcast); 136 pkt.dataStatic(p); 137 sendFunctional(&pkt); 138 p += gen.size(); 139 } 140} 141 142void 143Port::writeBlob(Addr addr, uint8_t *p, int size) 144{ 145 blobHelper(addr, p, size, MemCmd::WriteReq); 146} 147 148void 149Port::readBlob(Addr addr, uint8_t *p, int size) 150{ 151 blobHelper(addr, p, size, MemCmd::ReadReq); 152} 153 154void 155Port::memsetBlob(Addr addr, uint8_t val, int size) 156{ 157 // quick and dirty... 158 uint8_t *buf = new uint8_t[size]; 159 160 std::memset(buf, val, size); 161 blobHelper(addr, buf, size, MemCmd::WriteReq); 162 163 delete [] buf; 164} 165 166 167void 168Port::printAddr(Addr a) 169{ 170 Request req(a, 1, 0); 171 Packet pkt(&req, MemCmd::PrintReq, Packet::Broadcast); 172 Packet::PrintReqState prs(std::cerr); 173 pkt.senderState = &prs; 174 175 sendFunctional(&pkt); 176}
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