/**
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of MSPSim.
*
* $Id$
*
* -----------------------------------------------------------------
*
* IHexReader
*
* Author : Joakim Eriksson
* Created : Sun Oct 21 22:00:00 2007
* Updated : $Date$
* $Revision$
*/
package se.sics.mspsim.util;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import se.sics.mspsim.config.MSP430f1611Config;
import se.sics.mspsim.core.MSP430;
public class IHexReader {
// 64k tmp ram!
private int tmpMemory[] = new int[64 * 1024];
/**
* Creates a new <code>IHexReader</code> instance.
*
*/
public IHexReader() {
}
public boolean readFile(int memory[], String file) {
for (int i = 0, n = tmpMemory.length; i < n; i++) {
tmpMemory[i] = -1;
}
try {
BufferedReader bInput = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
String line;
boolean terminate = false;
while ((line = bInput.readLine()) != null && !terminate) {
if (line.charAt(0) != ':') {
System.out.println("Not an IHex file?! " + line.charAt(0));
bInput.close();
return false;
}
int size = hexToInt(line.charAt(1)) * 0x10 + hexToInt(line.charAt(2));
int adr = hexToInt(line.charAt(3)) * 0x1000 +
hexToInt(line.charAt(4)) * 0x100 + hexToInt(line.charAt(5)) * 0x10 +
hexToInt(line.charAt(6));
int type = hexToInt(line.charAt(7)) * 0x10 + hexToInt(line.charAt(8));
// System.out.println("Block: size: " + size + "=> address: " +
// hex(adr) + " type: " + type);
// Termination !!!
if (type == 0x01) {
System.out.println("IHEX file ended (termination)");
terminate = true;
} else {
int index = 9;
for (int i = 0, n = size; i < n; i++) {
tmpMemory[adr + i] = (hexToInt(line.charAt(index++)) * 0x10 +
hexToInt(line.charAt(index++)));
}
// int checksum = (byte) hexToInt(line.charAt(index++)) * 0x10
// + hexToInt(line.charAt(index++));
// System.out.println("Checksum: " + checksum);
}
}
bInput.close();
// Write all data that we got in to the real memory!!!
System.out.println("Writing to memory!");
for (int i = 0, n = tmpMemory.length; i < n; i++) {
if (tmpMemory[i] != -1) {
memory[i] = tmpMemory[i];
}
}
return true;
} catch (IOException ioe) {
ioe.printStackTrace();
}
return false;
}
private static String hex(int data) {
return Integer.toString(data, 16);
}
private static int hexToInt(char c) {
if (c >= '0' && c <= '9') {
return c - '0';
} else {
return c - 'A' + 10;
}
}
public static void main(String[] args) throws Exception {
IHexReader reader = new IHexReader();
int data = 0x84;
System.out.println("RRA: " + hex((data & 0x80) + (data >> 1)));
// for (int i = 0, n = 0x3ff; i < n; i++) {
// int val = (i & 0x200) == 0 ? i : -(0x200 - (i & 0x1ff));
// System.out.println("Value: " + val);
// }
// System.out.println("T ^ T => " + (true ^ true) +
// " T ^ F => " + (false ^ true));
MSP430 cpu = new MSP430(0, new ComponentRegistry(), new MSP430f1611Config());
int[] memory = cpu.memory;
reader.readFile(memory, args[0]);
cpu.reset();
cpu.cpuloop();
}
}