adolphenom
84 lines
3.3 KiB
Java
84 lines
3.3 KiB
Java
package mars.mips.dump;
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import mars.Globals;
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import mars.mips.hardware.*;
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import java.io.*;
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/*
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Copyright (c) 2003-2008, Pete Sanderson and Kenneth Vollmar
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Developed by Pete Sanderson (psanderson@otterbein.edu)
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and Kenneth Vollmar (kenvollmar@missouristate.edu)
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject
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to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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(MIT license, http://www.opensource.org/licenses/mit-license.html)
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*/
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/**
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* Class that represents the "binary" memory dump format. The output
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* is a binary file containing the memory words as a byte stream. Output
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* is produced using PrintStream's write() method.
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* @author Pete Sanderson
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* @version December 2007
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*/
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public class BinaryDumpFormat extends AbstractDumpFormat {
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/**
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* Constructor. There is no standard file extension for this format.
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*/
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public BinaryDumpFormat() {
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super("Binary", "Binary", "Written as byte stream to binary file", null);
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}
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/**
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* Write MIPS memory contents in pure binary format. One byte at a time
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* using PrintStream's write() method. Adapted by Pete Sanderson from
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* code written by Greg Gibeling.
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*
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* @param file File in which to store MIPS memory contents.
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* @param firstAddress first (lowest) memory address to dump. In bytes but
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* must be on word boundary.
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* @param lastAddress last (highest) memory address to dump. In bytes but
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* must be on word boundary. Will dump the word that starts at this address.
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* @throws AddressErrorException if firstAddress is invalid or not on a word boundary.
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* @throws IOException if error occurs during file output.
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*/
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public void dumpMemoryRange(File file, int firstAddress, int lastAddress)
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throws AddressErrorException, IOException {
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PrintStream out = new PrintStream(new FileOutputStream(file));
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try {
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for (int address = firstAddress; address <= lastAddress; address += Memory.WORD_LENGTH_BYTES) {
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Integer temp = Globals.memory.getRawWordOrNull(address);
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if (temp == null)
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break;
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int word = temp.intValue();
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for (int i = 0; i < 4; i++)
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out.write((word >>> (i << 3)) & 0xFF);
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}
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}
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finally {
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out.close();
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}
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}
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} |