port_proxy.cc revision 14009
111723Sar4jc@virginia.edu/* 211723Sar4jc@virginia.edu * Copyright (c) 2012, 2018 ARM Limited 311723Sar4jc@virginia.edu * All rights reserved 412808Srobert.scheffel1@tu-dresden.de * 511723Sar4jc@virginia.edu * The license below extends only to copyright in the software and shall 611723Sar4jc@virginia.edu * not be construed as granting a license to any other intellectual 711723Sar4jc@virginia.edu * property including but not limited to intellectual property relating 811723Sar4jc@virginia.edu * to a hardware implementation of the functionality of the software 911723Sar4jc@virginia.edu * licensed hereunder. You may use the software subject to the license 1011723Sar4jc@virginia.edu * terms below provided that you ensure that this notice is replicated 1111723Sar4jc@virginia.edu * unmodified and in its entirety in all distributions of the software, 1211723Sar4jc@virginia.edu * modified or unmodified, in source code or in binary form. 1311723Sar4jc@virginia.edu * 1411723Sar4jc@virginia.edu * Redistribution and use in source and binary forms, with or without 1511723Sar4jc@virginia.edu * modification, are permitted provided that the following conditions are 1611723Sar4jc@virginia.edu * met: redistributions of source code must retain the above copyright 1711723Sar4jc@virginia.edu * notice, this list of conditions and the following disclaimer; 1811723Sar4jc@virginia.edu * redistributions in binary form must reproduce the above copyright 1911723Sar4jc@virginia.edu * notice, this list of conditions and the following disclaimer in the 2011723Sar4jc@virginia.edu * documentation and/or other materials provided with the distribution; 2111723Sar4jc@virginia.edu * neither the name of the copyright holders nor the names of its 2211723Sar4jc@virginia.edu * contributors may be used to endorse or promote products derived from 2311723Sar4jc@virginia.edu * this software without specific prior written permission. 2411723Sar4jc@virginia.edu * 2511723Sar4jc@virginia.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2611723Sar4jc@virginia.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2711723Sar4jc@virginia.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2811723Sar4jc@virginia.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2911723Sar4jc@virginia.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3011723Sar4jc@virginia.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3112808Srobert.scheffel1@tu-dresden.de * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3211723Sar4jc@virginia.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3311723Sar4jc@virginia.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3411723Sar4jc@virginia.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3511723Sar4jc@virginia.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3611723Sar4jc@virginia.edu * 3712850Salec.roelke@gmail.com * Authors: Andreas Hansson 3811723Sar4jc@virginia.edu */ 3911723Sar4jc@virginia.edu 4012850Salec.roelke@gmail.com#include "mem/port_proxy.hh" 4112848Sar4jc@virginia.edu 4211723Sar4jc@virginia.edu#include "base/chunk_generator.hh" 4311723Sar4jc@virginia.edu 4411723Sar4jc@virginia.eduvoid 4511723Sar4jc@virginia.eduPortProxy::readBlobPhys(Addr addr, Request::Flags flags, 4611723Sar4jc@virginia.edu void *p, int size) const 4711723Sar4jc@virginia.edu{ 4812848Sar4jc@virginia.edu for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done(); 4912848Sar4jc@virginia.edu gen.next()) { 5012848Sar4jc@virginia.edu 5112848Sar4jc@virginia.edu auto req = std::make_shared<Request>( 5212848Sar4jc@virginia.edu gen.addr(), gen.size(), flags, Request::funcMasterId); 5312848Sar4jc@virginia.edu 5412848Sar4jc@virginia.edu Packet pkt(req, MemCmd::ReadReq); 5511725Sar4jc@virginia.edu pkt.dataStatic(static_cast<uint8_t *>(p)); 5612848Sar4jc@virginia.edu _port.sendFunctional(&pkt); 5711723Sar4jc@virginia.edu p = static_cast<uint8_t *>(p) + gen.size(); 5811723Sar4jc@virginia.edu } 5911723Sar4jc@virginia.edu} 6011723Sar4jc@virginia.edu 6111723Sar4jc@virginia.eduvoid 6211723Sar4jc@virginia.eduPortProxy::writeBlobPhys(Addr addr, Request::Flags flags, 6311723Sar4jc@virginia.edu const void *p, int size) const 6411723Sar4jc@virginia.edu{ 6511723Sar4jc@virginia.edu for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done(); 6611723Sar4jc@virginia.edu gen.next()) { 6711723Sar4jc@virginia.edu 6811723Sar4jc@virginia.edu auto req = std::make_shared<Request>( 6912848Sar4jc@virginia.edu gen.addr(), gen.size(), flags, Request::funcMasterId); 7012848Sar4jc@virginia.edu 7112848Sar4jc@virginia.edu Packet pkt(req, MemCmd::WriteReq); 7212848Sar4jc@virginia.edu pkt.dataStaticConst(static_cast<const uint8_t *>(p)); 7312848Sar4jc@virginia.edu _port.sendFunctional(&pkt); 7411723Sar4jc@virginia.edu p = static_cast<const uint8_t *>(p) + gen.size(); 7511723Sar4jc@virginia.edu } 7611723Sar4jc@virginia.edu} 7711723Sar4jc@virginia.edu 7811723Sar4jc@virginia.eduvoid 7911723Sar4jc@virginia.eduPortProxy::memsetBlobPhys(Addr addr, Request::Flags flags, 8012850Salec.roelke@gmail.com uint8_t v, int size) const 8112850Salec.roelke@gmail.com{ 8211723Sar4jc@virginia.edu // quick and dirty... 8312848Sar4jc@virginia.edu uint8_t *buf = new uint8_t[size]; 8412848Sar4jc@virginia.edu 8511723Sar4jc@virginia.edu std::memset(buf, v, size); 8611723Sar4jc@virginia.edu PortProxy::writeBlobPhys(addr, flags, buf, size); 8712849Sar4jc@virginia.edu 8812848Sar4jc@virginia.edu delete [] buf; 8912848Sar4jc@virginia.edu} 9012849Sar4jc@virginia.edu 9111723Sar4jc@virginia.edubool 9212848Sar4jc@virginia.eduPortProxy::tryWriteString(Addr addr, const char *str) const 9312848Sar4jc@virginia.edu{ 9411723Sar4jc@virginia.edu do { 9511723Sar4jc@virginia.edu if (!tryWriteBlob(addr++, str, 1)) 9612808Srobert.scheffel1@tu-dresden.de return false; 9712808Srobert.scheffel1@tu-dresden.de } while (*str++); 9813547Sar4jc@virginia.edu return true; 9913547Sar4jc@virginia.edu} 10012808Srobert.scheffel1@tu-dresden.de 10113547Sar4jc@virginia.edubool 10213547Sar4jc@virginia.eduPortProxy::tryReadString(std::string &str, Addr addr) const 10313547Sar4jc@virginia.edu{ 10412808Srobert.scheffel1@tu-dresden.de while (true) { 10513547Sar4jc@virginia.edu uint8_t c; 10613547Sar4jc@virginia.edu if (!tryReadBlob(addr++, &c, 1)) 10712808Srobert.scheffel1@tu-dresden.de return false; 10811723Sar4jc@virginia.edu if (!c) 10912849Sar4jc@virginia.edu return true; 11012849Sar4jc@virginia.edu str += c; 11112849Sar4jc@virginia.edu } 11212849Sar4jc@virginia.edu} 11312849Sar4jc@virginia.edu