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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 using System; |
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18 using System.Collections.Generic; |
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19 using System.Text; |
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20 using SymbianUtils.BasicTypes; |
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21 using SymbianStructuresLib.Arm.Registers; |
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22 using SymbianStructuresLib.Arm.Registers.VFP; |
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23 using SymbianStructuresLib.Arm.Instructions; |
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24 using SymbianInstructionLib.Arm.Instructions.Common; |
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25 |
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26 namespace SymbianInstructionLib.Arm.Instructions.Arm.DataTransfer |
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27 { |
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28 [ArmRefAttribute( "C4.1.57 FSTMS", "FSTM<addressing_mode>S{<cond>} <Rn>{!}, <registers>" )] |
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29 public class Arm_FSTMS : Arm_LoadOrStoreMultiple_VFP |
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30 { |
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31 #region Constructors |
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32 public Arm_FSTMS() |
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33 { |
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34 // Same as FSTMDBS (non-stacking) |
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35 // |
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36 // 1110 => Condition = "Always" |
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37 // 110 => FSTMD (1) instruction signature |
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38 // 1 => P = addressing mode |
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39 // 0 => U = addressing mode |
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40 // 0 => ? |
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41 // 1 => W = write a modified value back to its base register Rn |
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42 // 0 => ? |
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43 // 1101 => Rn = Specifies the base register used by <addressing_mode>. => SP |
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44 // |
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45 // Cond PU D WL Rn Fd offset |
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46 base.SetMask( "####" + "110" + "##" + "#" + "#0" + "####" + "####" + "1010" + "########" ); |
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47 } |
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48 #endregion |
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49 |
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50 #region From Arm_LoadOrStore |
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51 public override TArmDataTransferType DataTransferType |
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52 { |
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53 get { return TArmDataTransferType.EStore; } |
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54 } |
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55 #endregion |
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56 |
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57 #region API |
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58 #endregion |
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59 |
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60 #region Properties |
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61 public override TArmRegisterTypeVFP FirstRegister |
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62 { |
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63 get |
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64 { |
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65 // Get bits 15-12 inclusive |
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66 uint firstReg = Arm_LoadOrStoreMultiple_VFP.KMaskFirstReg.Apply( base.AIRawValue ); |
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67 |
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68 // Shift one to the left to make room for 'D' |
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69 firstReg <<= 1; |
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70 |
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71 // Now add D |
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72 firstReg |= (uint) base.AIRawValue[ 22 ]; |
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73 |
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74 // We must rebase these in alignment with the first single precision register |
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75 // value. |
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76 TArmRegisterTypeVFP ret = (TArmRegisterTypeVFP) ( firstReg + (uint) TArmRegisterTypeVFP.S00 ); |
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77 |
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78 return ret; |
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79 } |
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80 } |
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81 |
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82 public override TArmRegisterTypeVFP[] Registers |
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83 { |
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84 get |
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85 { |
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86 uint regCount = base.Offset; |
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87 uint firstReg = (uint) this.FirstRegister; |
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88 |
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89 List<TArmRegisterTypeVFP> regs = new List<TArmRegisterTypeVFP>(); |
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90 for ( uint i = firstReg; i < regCount + firstReg; i++ ) |
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91 { |
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92 regs.Add( (TArmRegisterTypeVFP) i ); |
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93 } |
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94 // |
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95 return regs.ToArray(); |
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96 } |
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97 } |
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98 #endregion |
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99 |
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100 #region Internal methods |
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101 #endregion |
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102 |
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103 #region Data members |
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104 #endregion |
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105 } |
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106 } |
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107 |