Subversion Repositories fpga-cf

/*

@LICENSE@

*/

package edu.byu.cc.plieber.fpgaenet.debug.llparse;

import java.lang.String;

/**

 * A class recording readback information for a single RAM bit.  The

 * class records the type of the RAM and the RAM bit's address in

 * addition to the offset, frame, frame offset, and block location

 * information recorded by the {@link RBEntry} object.

 *

 * @author Paul Graham

 */

public class RAMRBEntry extends RBEntry{

  /** Holds the RAMType for this object (see {@link RAMTypes}). */

  RAMTypes RAMType;

  /** Holds the address of the RAM bit. */

  int address;

  /**

   * Constructs a new object based on readback bitstream information

   * from the <code>.ll</code> file.

   *

   * @param new_offset The "junk" bit offset provided by the Virtex2

   *                   <code>.ll</code> file.

   *

   * @param new_frame The frame number of the RAM bit's state

   *                  information in the readback bitstream.

   *

   * @param new_frameOffset The frame offset of the RAM bit's state

   *                        information in the readback bitstream.

   *

   * @param new_block The name of the block holding the RAM.

   *

   * @param new_RAMType A <code>String</code> representing the type of

   *                    the RAM.  This can have one of the following

   *                    values: "F", "G", "M", or "B".

   *

   * @param new_address The bit's address in the RAM.

   * */

  RAMRBEntry(int new_offset, int new_frame, int new_frameOffset,

          String new_block,String new_RAMType,int new_address) throws RAMTypeException {

    super(new_offset,new_frame,new_frameOffset,new_block);

    if (new_block.startsWith("SLICE"))

    {

    if(new_RAMType.equals("A"))

      RAMType = RAMTypes.A;

    else if(new_RAMType.equals("B"))

      RAMType = RAMTypes.B;

    else if(new_RAMType.equals("C"))

      RAMType = RAMTypes.C;

    else if(new_RAMType.equals("D"))

      RAMType = RAMTypes.D;

    else

      throw new RAMTypeException("Unknown RAM Type");

    }

    else

    {

        if (!new_RAMType.equals("B")) {

                throw new RAMTypeException("Unknown RAM Type");

        }

        RAMType = RAMTypes.BRAM;

    }

    address = new_address;

  }

  /**

   * Returns the RAM's type based on the encoding in {@link RAMTypes}.

   *

   * @return The RAM's type based on the encoding in {@link RAMTypes}.  */

  RAMTypes getRAMType() {

    return RAMType;

  }

  /**

   * Returns the RAM bit's address within the RAM.

   *

   * @return The RAM bit's address within the RAM.  */

  int getAddress() {

    return address;

  }

}