Subversion Repositories ao486

/*

 * Copyright (c) 2014, Aleksander Osman

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * * Redistributions of source code must retain the above copyright notice, this

 *   list of conditions and the following disclaimer.

 *

 * * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.

 */

package ao486.module.memory;

import java.util.HashSet;

public class InvalidateListener implements Listener {

    public interface InvalidateInterface {

        void invdcode_finished(int cycle) throws Exception;

        void invddata_finished(int cycle) throws Exception;

        void wbinvddata_finished(int cycle) throws Exception;

    }

    public void invdcode(int cycle, InvalidateInterface invalidate) throws Exception {

        invdcode.add(cycle);

        this.invalidate = invalidate;

    }

    public void invddata(int cycle, InvalidateInterface invalidate) throws Exception {

        invddata.add(cycle);

        this.invalidate = invalidate;

    }

    public void wbinvddata(int cycle, InvalidateInterface invalidate) throws Exception {

        wbinvddata.add(cycle);

        this.invalidate = invalidate;

    }

    //----------------

    @Override

    public void set_input(int cycle, Input input) throws Exception {

        if(invdcode.contains(cycle) || invdcode_active) {

            invdcode_active = true;

            input.invdcode_do = true;

        }

        if(invddata.contains(cycle) || invddata_active) {

            invddata_active = true;

            input.invddata_do = true;

        }

        if(wbinvddata.contains(cycle) || wbinvddata_active) {

            wbinvddata_active = true;

            input.wbinvddata_do = true;

        }

    }

    @Override

    public void get_output(int cycle, Output output) throws Exception {

        if(output.invdcode_done) {

            invdcode_active   = false;

            invalidate.invdcode_finished(cycle);

        }

        if(output.invddata_done) {

            invddata_active   = false;

            invalidate.invddata_finished(cycle);

        }

        if(output.wbinvddata_done) {

            wbinvddata_active = false;

            invalidate.wbinvddata_finished(cycle);

        }

    }

    HashSet<Integer> invdcode   = new HashSet<>();

    boolean invdcode_active;

    HashSet<Integer> invddata   = new HashSet<>();

    boolean invddata_active;

    HashSet<Integer> wbinvddata = new HashSet<>();

    public boolean wbinvddata_active;

    InvalidateInterface invalidate;

}