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 SymbianStructuresLib.Arm.Registers;

    21 using SymbianStructuresLib.Arm.Instructions;

    22 using SymbianInstructionLib.Arm.Instructions.Common;

    23 

    24 namespace SymbianInstructionLib.Arm.Instructions.Thumb.Branching

    25 {

    26     public class Thumb_Branch_Unconditional : Thumb_Branch_Immediate

    27     {

    28         #region Enumerations

    29         public enum TType

    30         {

    31             ETypeMultipartFirstPartOfBranch = -1,

    32             ETypeB = 0,

    33             ETypeBL,

    34             ETypeBLX

    35         }

    36         #endregion

    37 

    38         #region Constructors

    39         public Thumb_Branch_Unconditional()

    40         {

    41             //                      H      offset_11

    42             base.SetMask( "111" + "##" + "###########" );

    43         }

    44         #endregion

    45 

    46         #region API

    47         #endregion

    48 

    49         #region Properties

    50         public override int BranchOffset

    51         {

    52             get

    53             {

    54                 int ret = ThumbInstructionUtils.SignExtend11BitTo32Bit( base.AIRawValue & 0x7FF );

    55                 return ret;

    56             }

    57         }

    58 

    59         public TType Type

    60         {

    61             get

    62             {

    63                 TType ret = TType.ETypeB;

    64                 //

    65                 byte val = base.AIRawValue[ 12, 11 ];

    66                 if ( val == 1 )

    67                 {

    68                     ret = TType.ETypeBLX;

    69                 }

    70                 else if ( val == 3 )

    71                 {

    72                     ret = TType.ETypeBL;

    73                 }

    74                 else if ( val == 2 )

    75                 {

    76                     ret = TType.ETypeMultipartFirstPartOfBranch;

    77                 }

    78                 //

    79                 return ret;

    80             }

    81         }

    82         #endregion

    83 

    84         #region Internal methods

    85         #endregion

    86 

    87         #region Data members

    88         #endregion

    89     }

    90 }

    91