port_proxy.cc revision 11793
1/* 2 * Copyright (c) 2012 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Andreas Hansson 38 */ 39 40#include "mem/port_proxy.hh" 41 42#include "base/chunk_generator.hh" 43 44void 45PortProxy::readBlob(Addr addr, uint8_t *p, int size) const 46{ 47 for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done(); 48 gen.next()) { 49 Request req(gen.addr(), gen.size(), 0, Request::funcMasterId); 50 Packet pkt(&req, MemCmd::ReadReq); 51 pkt.dataStatic(p); 52 _port.sendFunctional(&pkt); 53 p += gen.size(); 54 } 55} 56 57void 58PortProxy::writeBlob(Addr addr, const uint8_t *p, int size) const 59{ 60 for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done(); 61 gen.next()) { 62 Request req(gen.addr(), gen.size(), 0, Request::funcMasterId); 63 Packet pkt(&req, MemCmd::WriteReq); 64 pkt.dataStaticConst(p); 65 _port.sendFunctional(&pkt); 66 p += gen.size(); 67 } 68} 69 70void 71PortProxy::memsetBlob(Addr addr, uint8_t v, int size) const 72{ 73 // quick and dirty... 74 uint8_t *buf = new uint8_t[size]; 75 76 std::memset(buf, v, size); 77 PortProxy::writeBlob(addr, buf, size); 78 79 delete [] buf; 80} 81