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.test.layers;

public class HandleModeChangeLayer extends Layer {

    public HandleModeChangeLayer(long cr0_pe, long vm, long cs_rpl, long cs_p, long cs_s, long cs_type) {

        if(cr0_pe == 1 && vm == 1) {

            this.cs_rpl = 3;

            this.cs_p   = cs_p;

            this.cs_s   = cs_s;

            this.cs_type= cs_type;

        }

        else if(cr0_pe == 0) {

            this.cs_rpl = 0;

            this.cs_p   = 1;

            this.cs_s = 1;

            this.cs_type= 3; // data read write accessed

        }

        else {

            this.cs_rpl = cs_rpl;

            this.cs_p   = cs_p;

            this.cs_s   = cs_s;

            this.cs_type= cs_type;

        }

    }

    public long cs_p()   { return cs_p; }

    public long cs_s()   { return cs_s; }

    public long cs_type(){ return cs_type; }

    public long cs_rpl() { return cs_rpl; }

    long cs_p, cs_s;

    long cs_type, cs_rpl;

}