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 SymbianUtils.BasicTypes;

    21 using SymbianStructuresLib.Arm.Registers;

    22 using SymbianStructuresLib.Arm.Instructions;

    23 using SymbianInstructionLib.Arm.Instructions.Common;

    24 

    25 namespace SymbianInstructionLib.Arm.Instructions.Thumb.DataTransfer

    26 {

    27     [ArmRef( "A7.1.31 LDR (4)", "LDR <Rd>, [SP, #<immed_8> * 4]" )]

    28     public class Thumb_LDR_RelativeToSP : Thumb_LoadOrStore_Immediate8

    29     {

    30         #region Constructors

    31         public Thumb_LDR_RelativeToSP()

    32         {

    33             //                       Rd       immed_8

    34             base.SetMask( "10011" + "###" + "########" );

    35         }

    36         #endregion

    37 

    38         #region From ArmBaseInstruction

    39         protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )

    40         {

    41             // SP acts as source

    42             return ( aRegister == TArmRegisterType.EArmReg_SP );

    43         }

    44 

    45         protected override bool DoQueryInvolvementAsDestination( TArmRegisterType aRegister )

    46         {

    47             // Rd acts as destination

    48             TArmRegisterType reg = this.Rd;

    49             return ( aRegister == reg );

    50         }        

    51         #endregion

    52 

    53         #region From Thumb_LoadOrStore

    54         public override TArmDataTransferType DataTransferType

    55         {

    56             get { return TArmDataTransferType.ELoad; }

    57         }

    58         #endregion

    59 

    60         #region Properties

    61         #endregion

    62 

    63         #region Internal methods

    64         #endregion

    65 

    66         #region Data members

    67         #endregion

    68     }

    69 }

    70