port.cc revision 2641:6d9d837e2032
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 29/** 30 * @file Port object definitions. 31 */ 32 33#include "base/chunk_generator.hh" 34#include "mem/packet_impl.hh" 35#include "mem/port.hh" 36 37void 38Port::blobHelper(Addr addr, uint8_t *p, int size, Packet::Command cmd) 39{ 40 Request req(false); 41 Packet pkt(&req, cmd, Packet::Broadcast); 42 43 for (ChunkGenerator gen(addr, size, peerBlockSize()); 44 !gen.done(); gen.next()) { 45 req.setPaddr(gen.addr()); 46 req.setSize(gen.size()); 47 pkt.reinitFromRequest(); 48 pkt.dataStatic(p); 49 sendFunctional(&pkt); 50 p += gen.size(); 51 } 52} 53 54void 55Port::writeBlob(Addr addr, uint8_t *p, int size) 56{ 57 blobHelper(addr, p, size, Packet::WriteReq); 58} 59 60void 61Port::readBlob(Addr addr, uint8_t *p, int size) 62{ 63 blobHelper(addr, p, size, Packet::ReadReq); 64} 65 66void 67Port::memsetBlob(Addr addr, uint8_t val, int size) 68{ 69 // quick and dirty... 70 uint8_t *buf = new uint8_t[size]; 71 72 memset(buf, val, size); 73 blobHelper(addr, buf, size, Packet::WriteReq); 74 75 delete [] buf; 76} 77