0edd064ee5
Matthias Jung, Janik Schlemminger and Robert Gernhardt were used as authors for all files which did not have an author/header.
121 lines
4.2 KiB
C++
121 lines
4.2 KiB
C++
/*
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* Copyright (c) 2015, University of Kaiserslautern
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors:
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* Janik Schlemminger
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* Robert Gernhardt
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* Matthias Jung
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*/
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#include "xmlAddressdecoder.h"
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#include <systemc.h>
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#include "Utils.h"
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#include "bitset"
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#include "../controller/core/configuration/Configuration.h"
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using namespace std;
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using namespace tinyxml2;
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tinyxml2::XMLElement* xmlAddressDecoder::addressmapping = NULL;
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xmlAddressDecoder::xmlAddressDecoder(string addressConfigURI)
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{
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tinyxml2::XMLDocument doc;
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loadXML(addressConfigURI, doc);
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xmlAddressDecoder(doc.FirstChildElement("dramconfig")->FirstChildElement("addressmap"));
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}
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xmlAddressDecoder::xmlAddressDecoder(XMLElement* addressmap)
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{
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tinyxml2::XMLDocument doc;
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string xmlNodeName(addressmap->Name());
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if( xmlNodeName != "addressmapping")
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reportFatal("AddressDecorder", "addressmap node expected");
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if(addressmap->Attribute("src"))
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{
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string src(addressmap->Attribute("src"));
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loadXML(src, doc);
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addressmap = (doc.FirstChildElement("addressmapping"));
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}
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for(XMLElement* child = addressmap->FirstChildElement(); child != NULL; child = child->NextSiblingElement())
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{
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int from;
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int to;
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child->QueryAttribute("from", &from);
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child->QueryAttribute("to", &to);
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shifts[child->Name()] = from;
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masks[child->Name()] = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
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}
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}
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DecodedAddress xmlAddressDecoder::decodeAddress(sc_dt::uint64 addr)
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{
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DecodedAddress result;
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result.channel = (addr & masks["channel"]) >> shifts["channel"];
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//result.rank = (addr & masks["rank"]) >> shifts["rank"];
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//result.bankgroup = (addr & masks["bankgroup"]) >> shifts["bankgroup"];
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result.bank = (addr & masks["bank"]) >> shifts["bank"];
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result.bankgroup = result.bank % Configuration::getInstance().memSpec.NumberOfBankGroups;
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result.rank = result.bank % Configuration::getInstance().memSpec.NumberOfRanks;
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result.row = (addr & masks["row"]) >> shifts["row"];
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result.column = (addr & masks["column"]) >> shifts["column"];
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result.bytes = (addr & masks["bytes"]) >> shifts["bytes"];
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return result;
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}
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sc_dt::uint64 xmlAddressDecoder::encodeAddress(DecodedAddress n)
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{
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return n.channel << shifts["channel"] |
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n.rank << shifts["rank"] |
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n.bankgroup << shifts["bankgroup"] |
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n.row << shifts["row"] |
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n.bank << shifts["bank"] |
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n.column << shifts["column"] |
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n.bytes << shifts["bytes"];
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}
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void xmlAddressDecoder::print()
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{
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cout << "Used addressmapping:" << endl;
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cout<<"===================="<<endl;
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for(auto& pair : masks)
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{
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cout<<pair.first<<"\t:\t" << bitset<32>(pair.second)<<endl;
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}
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cout<<"\n"<<endl;
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}
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