001    // This file is part of the program FRYSK.
002    //
003    // Copyright 2005, 2007, Red Hat Inc.
004    //
005    // FRYSK is free software; you can redistribute it and/or modify it
006    // under the terms of the GNU General Public License as published by
007    // the Free Software Foundation; version 2 of the License.
008    //
009    // FRYSK is distributed in the hope that it will be useful, but
010    // WITHOUT ANY WARRANTY; without even the implied warranty of
011    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012    // General Public License for more details.
013    // 
014    // You should have received a copy of the GNU General Public License
015    // along with FRYSK; if not, write to the Free Software Foundation,
016    // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
017    // 
018    // In addition, as a special exception, Red Hat, Inc. gives You the
019    // additional right to link the code of FRYSK with code not covered
020    // under the GNU General Public License ("Non-GPL Code") and to
021    // distribute linked combinations including the two, subject to the
022    // limitations in this paragraph. Non-GPL Code permitted under this
023    // exception must only link to the code of FRYSK through those well
024    // defined interfaces identified in the file named EXCEPTION found in
025    // the source code files (the "Approved Interfaces"). The files of
026    // Non-GPL Code may instantiate templates or use macros or inline
027    // functions from the Approved Interfaces without causing the
028    // resulting work to be covered by the GNU General Public
029    // License. Only Red Hat, Inc. may make changes or additions to the
030    // list of Approved Interfaces. You must obey the GNU General Public
031    // License in all respects for all of the FRYSK code and other code
032    // used in conjunction with FRYSK except the Non-GPL Code covered by
033    // this exception. If you modify this file, you may extend this
034    // exception to your version of the file, but you are not obligated to
035    // do so. If you do not wish to provide this exception without
036    // modification, you must delete this exception statement from your
037    // version and license this file solely under the GPL without
038    // exception.
039    
040    package frysk.isa.banks;
041    
042    import inua.eio.ByteBuffer;
043    import frysk.isa.registers.Register;
044    
045    /**
046     * Register that is part of a register bank.
047     */
048    public class BankArrayRegister extends BankRegister {
049        private final int bank;
050      
051        BankArrayRegister(int bank, int offset, int length, Register register) {
052            super(offset, length, register);
053            this.bank = bank;
054        }
055      
056        BankArrayRegister(int bank, BankRegister bankRegister) {
057            super(bankRegister.getOffset(), bankRegister.getLength(),
058                  bankRegister.getRegister());
059            this.bank = bank;
060        }
061    
062        public String toString() {
063            return (super.toString()
064                    + ",bank=" + bank);
065        }
066    
067        /**
068         * Return the register bank, as an index.
069         */
070        int getBank() {
071            return bank;
072        }
073    
074        long get(ByteBuffer[] banks) {
075            return get(banks[bank]);
076        }
077    
078        void set(ByteBuffer[] banks, long value) {
079            set(banks[bank], value);
080        }
081    
082        void access(ByteBuffer[] banks, long offset, long size, byte[] bytes,
083                    int start, boolean write) {
084            access(banks[bank], offset, size, bytes, start, write);
085        }
086    }