/*

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

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using SymbianUtils.BasicTypes;

using SymbianStructuresLib.Arm.Registers;

using SymbianStructuresLib.Arm.Registers.VFP;

using SymbianStructuresLib.Arm.Instructions;

using SymbianInstructionLib.Arm.Instructions.Common;

namespace SymbianInstructionLib.Arm.Instructions.Arm.DataTransfer

{

    [ArmRefAttribute( "C4.1.57 FSTMS", "FSTM<addressing_mode>S{<cond>} <Rn>{!}, <registers>" )]

    public class Arm_FSTMS : Arm_LoadOrStoreMultiple_VFP

    {

        #region Constructors

        public Arm_FSTMS()

        {

            // Same as FSTMDBS (non-stacking)

            //

            // 1110 => Condition = "Always"

            //  110 => FSTMD (1) instruction signature

            //    1 => P = addressing mode

            //    0 => U = addressing mode

            //    0 => ?

            //    1 => W = write a modified value back to its base register Rn

            //    0 => ?

            // 1101 => Rn = Specifies the base register used by <addressing_mode>. => SP

            // 

            //             Cond             PU     D     WL      Rn       Fd                offset

            base.SetMask( "####" + "110" + "##" + "#" + "#0" + "####" + "####" + "1010" + "########" );

        }

        #endregion

        #region From Arm_LoadOrStore

        public override TArmDataTransferType DataTransferType

        {

            get { return TArmDataTransferType.EStore; }

        }

        #endregion

        #region API

        #endregion

        #region Properties

        public override TArmRegisterTypeVFP FirstRegister

        {

            get

            {

                // Get bits 15-12 inclusive

                uint firstReg = Arm_LoadOrStoreMultiple_VFP.KMaskFirstReg.Apply( base.AIRawValue );

                // Shift one to the left to make room for 'D'

                firstReg <<= 1;

                // Now add D

                firstReg |= (uint) base.AIRawValue[ 22 ];

                // We must rebase these in alignment with the first single precision register

                // value.

                TArmRegisterTypeVFP ret = (TArmRegisterTypeVFP) ( firstReg + (uint) TArmRegisterTypeVFP.S00 );

                return ret;

            }

        }

        public override TArmRegisterTypeVFP[] Registers

        {

            get

            {

                uint regCount = base.Offset;

                uint firstReg = (uint) this.FirstRegister;

                List<TArmRegisterTypeVFP> regs = new List<TArmRegisterTypeVFP>();

                for ( uint i = firstReg; i < regCount + firstReg; i++ )

                {

                    regs.Add( (TArmRegisterTypeVFP) i );

                }

                //

                return regs.ToArray();

            }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Data members

        #endregion

    }

}