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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 // WARNING: This file contains some APIs which are internal and are subject |
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16 // to change without notice. Such APIs should therefore not be used |
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17 // outside the Kernel and Hardware Services package. |
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18 // |
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19 |
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20 /** |
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21 @file |
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22 @internalAll |
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23 */ |
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24 |
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25 #ifndef ROFS_H |
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26 #define ROFS_H |
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27 |
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28 /** |
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29 @internalAll |
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30 @released |
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31 */ |
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32 const TUint16 KRofsFormatVersion = 0x200; |
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33 |
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34 class TRofsEntry |
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35 /** |
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36 @internalAll |
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37 @released |
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38 */ |
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39 { |
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40 public: |
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41 TUint16 iStructSize; // Total size of entry, header + name + any padding |
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42 TUint8 iUids[sizeof(TCheckedUid)]; // A copy of all the UID info |
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43 TUint8 iNameOffset; // offset of iName from start of entry |
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44 TUint8 iAtt; // standard file attributes |
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45 TUint32 iFileSize; // real size of file in bytes (may be different from size in image) |
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46 // for subdirectories this is the total size of the directory |
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47 // block entry excluding padding |
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48 TUint32 iFileAddress; // address in image of file start |
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49 TUint8 iAttExtra; // extra ROFS attributes (these are inverted so 0 = enabled) |
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50 TUint8 iNameLength; // length of iName |
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51 TUint16 iName[1]; |
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52 }; |
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53 |
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54 /** |
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55 @internalAll |
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56 @released |
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57 */ |
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58 const TUint KRofsEntryNameOffset = _FOFF( TRofsEntry, iName ); |
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59 /** |
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60 @internalAll |
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61 @released |
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62 */ |
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63 const TUint KRofsEntryHeaderSize = KRofsEntryNameOffset; |
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64 |
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65 class TRofsDir |
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66 /** |
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67 @internalAll |
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68 @released |
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69 */ |
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70 { |
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71 public: |
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72 TUint16 iStructSize; // Total size of this directory block including padding |
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73 TUint8 padding; |
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74 TUint8 iFirstEntryOffset; // offset to first entry |
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75 TUint32 iFileBlockAddress; // address of associated file block |
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76 TUint32 iFileBlockSize; // size of associated file block |
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77 TRofsEntry iSubDir; // first subdir entry (not present if no subdirs) |
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78 }; |
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79 |
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80 /** |
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81 @internalAll |
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82 @released |
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83 */ |
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84 const TUint KRofsDirFirstEntryOffset = _FOFF( TRofsDir, iSubDir ); |
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85 /** |
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86 @internalAll |
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87 @released |
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88 */ |
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89 const TUint KRofsDirHeaderSize = KRofsDirFirstEntryOffset; |
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90 |
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91 class TRofsHeader |
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92 /** |
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93 @internalAll |
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94 @released |
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95 */ |
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96 { |
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97 public: |
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98 TUint8 iIdentifier[4]; // ROFS identifier |
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99 TUint8 iHeaderSize; |
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100 TUint8 iReserved; |
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101 TUint16 iRofsFormatVersion; |
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102 TUint iDirTreeOffset; // offset to start of directory structure |
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103 TUint iDirTreeSize; // size in bytes of directory |
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104 TUint iDirFileEntriesOffset; // offset to start of file entries |
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105 TUint iDirFileEntriesSize; // size in bytes of file entry block |
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106 TInt64 iTime; |
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107 TVersion iImageVersion; // licensee image version |
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108 TUint32 iImageSize; |
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109 TUint iCheckSum; |
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110 TUint32 iMaxImageSize; |
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111 }; |
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112 /** |
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113 @internalAll |
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114 @released |
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115 */ |
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116 |
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117 class TExtensionRofsHeader |
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118 { |
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119 public: |
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120 TUint8 iIdentifier[4]; // ROFS Extension identifier |
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121 TUint8 iHeaderSize; |
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122 TUint8 iReserved; |
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123 TUint16 iRofsFormatVersion; |
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124 TUint iDirTreeOffset; // offset to start of directory structure |
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125 TUint iDirTreeSize; // size in bytes of directory |
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126 TUint iDirFileEntriesOffset; // offset to start of file entries |
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127 TUint iDirFileEntriesSize; // size in bytes of file entry block |
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128 TInt64 iTime; |
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129 TVersion iImageVersion; // licensee image version |
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130 TUint32 iImageSize; |
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131 TUint iCheckSum; |
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132 TUint32 iMaxImageSize; |
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133 }; |
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134 |
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135 const TUint KRofsHeaderSize = sizeof(TRofsHeader); |
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136 const TUint KExtensionRofsHeaderSize = sizeof(TExtensionRofsHeader); |
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137 |
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138 /** |
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139 @internalAll |
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140 @released |
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141 */ |
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142 const TInt16 KEarliestSupportedFormatVersion = KRofsFormatVersion; |
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143 /** |
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144 @internalAll |
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145 @released |
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146 */ |
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147 const TInt16 KLatestSupportedFormatVersion = KRofsFormatVersion; |
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148 |
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149 const TUint KRofsMangleNameLength = 7; |
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150 |
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151 #endif |