111 lines
4.0 KiB
Java
111 lines
4.0 KiB
Java
/*
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Copyright 2019-2023 Dmitry Isaenko
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This file is part of libKonogonka.
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libKonogonka is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libKonogonka is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with libKonogonka. If not, see <https://www.gnu.org/licenses/>.
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*/
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package libKonogonka.Tools.other.System2.ini1;
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import libKonogonka.Tools.ExportAble;
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import libKonogonka.Tools.other.System2.System2Header;
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import libKonogonka.ctraesclassic.InFileStreamClassicProducer;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.List;
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public class Ini1Provider extends ExportAble {
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private Ini1Header ini1Header;
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private List<KIP1Provider> kip1List;
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private final InFileStreamClassicProducer producer;
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public Ini1Provider(Path fileLocation) throws Exception{
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this.producer = new InFileStreamClassicProducer(fileLocation);
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this.stream = producer.produce();
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makeHeader();
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collectKips();
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this.stream.close();
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}
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public Ini1Provider(InFileStreamClassicProducer producer) throws Exception{
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this.producer = producer;
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this.stream = producer.produce();
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makeHeader();
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collectKips();
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this.stream.close();
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}
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public Ini1Provider(System2Header system2Header, String pathToFile, int kernelMapIni1Offset) throws Exception{
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Path filePath = Paths.get(pathToFile);
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this.producer = new InFileStreamClassicProducer(filePath,
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0x200 + kernelMapIni1Offset,
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0x200,
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Files.size(filePath), // size of system2
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system2Header.getKey(),
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system2Header.getSection0Ctr());
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this.stream = producer.produce();
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makeHeader();
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collectKips();
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this.stream.close();
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}
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private void makeHeader() throws Exception{
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byte[] headerBytes = new byte[0x10];
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if (0x10 != stream.read(headerBytes))
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throw new Exception("Unable to read header bytes");
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ini1Header = new Ini1Header(headerBytes);
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}
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private void collectKips() throws Exception{
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kip1List = new ArrayList<>();
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long skipTillNextKip1 = 0;
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long kip1StartOffset = 0;
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for (int i = 0; i < ini1Header.getKipNumber(); i++){
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skipLoop(skipTillNextKip1);
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byte[] kip1bytes = new byte[0x100];
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if (0x100 != stream.read(kip1bytes))
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throw new Exception("Unable to read KIP1 data ");
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KIP1Provider kip1 = new KIP1Provider(kip1bytes, kip1StartOffset, producer.getSuccessor(0x10, true));
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kip1List.add(kip1);
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KIP1Header kip1Header = kip1.getHeader();
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skipTillNextKip1 = kip1Header.getTextSegmentHeader().getSize() +
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kip1Header.getRoDataSegmentHeader().getSize() +
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kip1Header.getRwDataSegmentHeader().getSize() +
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kip1Header.getBssSegmentHeader().getSize();
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kip1StartOffset = kip1.getEndOffset();
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}
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}
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private void skipLoop(long size) throws IOException {
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long mustSkip = size;
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long skipped = 0;
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while (mustSkip > 0){
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skipped += stream.skip(mustSkip);
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mustSkip = size - skipped;
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}
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}
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public Ini1Header getIni1Header() { return ini1Header; }
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public List<KIP1Provider> getKip1List() { return kip1List; }
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public boolean export(String saveTo) throws Exception{
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stream = producer.produce();
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return export(saveTo, "INI1.bin", 0, ini1Header.getSize());
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}
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}
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