1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Collections.Generic;

    19 using System.Text;

    20 using System.ComponentModel;

    21 using SymbianUtils.BasicTypes;

    22 using SymbianStructuresLib.Arm.Registers;

    23 using SymbianInstructionLib.Arm.Instructions.Common;

    24 

    25 namespace SymbianInstructionLib.Arm.Instructions.Arm.DataProcessing

    26 {

    27     public class Arm_DataProcessing_32BitImmediate : Arm_DataProcessing

    28     {

    29         #region Constructors

    30         public Arm_DataProcessing_32BitImmediate()

    31         :   base( TEncoding.EEncoding32BitImmediate )

    32         {

    33             //             Cond             Op.      S       Rn       Rd    rotate_imm       imm_8

    34             base.SetMask( "####" + "001" + "####" + "#" + "####" + "####" +    "####"  + "########" );

    35         }

    36         #endregion

    37 

    38         #region From Arm_DataProcessing

    39         public override uint Immediate

    40         {

    41             get

    42             {

    43                 byte rotate = this.RotateImm;

    44                 SymUInt8 immediate = this.Immediate8;

    45                 //

    46                 int rotateAmount = (int) ( rotate * 2 );

    47                 SymUInt32 ret = immediate.RotateRight( rotateAmount );

    48                 return ret;

    49             }

    50         }

    51 

    52         public override bool SuppliesImmediate

    53         {

    54             get { return true; }

    55         }

    56         #endregion

    57 

    58         #region Properties

    59         public byte RotateImm

    60         {

    61             get

    62             {

    63                 byte rotate_imm = (byte) KMaskRotate.Apply( base.AIRawValue );

    64                 return rotate_imm;

    65             }

    66         }

    67 

    68         public byte Immediate8

    69         {

    70             get

    71             {

    72                 byte immediate_8 = (byte) ( base.AIRawValue & 0xFF );

    73                 return immediate_8;

    74             }

    75         }

    76         #endregion

    77 

    78         #region Internal methods

    79         #endregion

    80 

    81         #region Data members

    82         private static readonly SymMask KMaskRotate = new SymMask( 0xF00, SymMask.TShiftDirection.ERight, 8 );

    83         #endregion

    84     }

    85 }

    86