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1498 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: dtcompile.c - Front-end for data table compiler |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | /****************************************************************************** |
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8 | * |
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9 | * 1. Copyright Notice |
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10 | * |
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11 | * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
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12 | * All rights reserved. |
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13 | * |
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14 | * 2. License |
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15 | * |
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16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
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17 | * rights. You may have additional license terms from the party that provided |
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18 | * you this software, covering your right to use that party's intellectual |
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19 | * property rights. |
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20 | * |
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21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
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22 | * copy of the source code appearing in this file ("Covered Code") an |
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23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
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24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
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25 | * make derivatives, distribute, use and display any portion of the Covered |
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26 | * Code in any form, with the right to sublicense such rights; and |
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27 | * |
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28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
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29 | * license (with the right to sublicense), under only those claims of Intel |
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30 | * patents that are infringed by the Original Intel Code, to make, use, sell, |
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31 | * offer to sell, and import the Covered Code and derivative works thereof |
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32 | * solely to the minimum extent necessary to exercise the above copyright |
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33 | * license, and in no event shall the patent license extend to any additions |
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34 | * to or modifications of the Original Intel Code. No other license or right |
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35 | * is granted directly or by implication, estoppel or otherwise; |
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36 | * |
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37 | * The above copyright and patent license is granted only if the following |
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38 | * conditions are met: |
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39 | * |
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40 | * 3. Conditions |
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41 | * |
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42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
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43 | * Redistribution of source code of any substantial portion of the Covered |
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44 | * Code or modification with rights to further distribute source must include |
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45 | * the above Copyright Notice, the above License, this list of Conditions, |
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46 | * and the following Disclaimer and Export Compliance provision. In addition, |
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47 | * Licensee must cause all Covered Code to which Licensee contributes to |
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48 | * contain a file documenting the changes Licensee made to create that Covered |
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49 | * Code and the date of any change. Licensee must include in that file the |
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50 | * documentation of any changes made by any predecessor Licensee. Licensee |
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51 | * must include a prominent statement that the modification is derived, |
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52 | * directly or indirectly, from Original Intel Code. |
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53 | * |
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54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
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55 | * Redistribution of source code of any substantial portion of the Covered |
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56 | * Code or modification without rights to further distribute source must |
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57 | * include the following Disclaimer and Export Compliance provision in the |
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58 | * documentation and/or other materials provided with distribution. In |
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59 | * addition, Licensee may not authorize further sublicense of source of any |
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60 | * portion of the Covered Code, and must include terms to the effect that the |
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61 | * license from Licensee to its licensee is limited to the intellectual |
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62 | * property embodied in the software Licensee provides to its licensee, and |
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63 | * not to intellectual property embodied in modifications its licensee may |
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64 | * make. |
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65 | * |
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66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
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67 | * substantial portion of the Covered Code or modification must reproduce the |
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68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
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69 | * provision in the documentation and/or other materials provided with the |
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70 | * distribution. |
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71 | * |
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72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
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73 | * Intel Code. |
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74 | * |
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75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
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76 | * Intel shall be used in advertising or otherwise to promote the sale, use or |
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77 | * other dealings in products derived from or relating to the Covered Code |
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78 | * without prior written authorization from Intel. |
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79 | * |
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80 | * 4. Disclaimer and Export Compliance |
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81 | * |
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82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
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83 | * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE |
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84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
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85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
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86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
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87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
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88 | * PARTICULAR PURPOSE. |
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89 | * |
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90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
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91 | * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR |
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92 | * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, |
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93 | * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY |
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94 | * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL |
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95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
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96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
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97 | * LIMITED REMEDY. |
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98 | * |
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99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
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100 | * software or system incorporating such software without first obtaining any |
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101 | * required license or other approval from the U. S. Department of Commerce or |
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102 | * any other agency or department of the United States Government. In the |
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103 | * event Licensee exports any such software from the United States or |
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104 | * re-exports any such software from a foreign destination, Licensee shall |
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105 | * ensure that the distribution and export/re-export of the software is in |
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106 | * compliance with all laws, regulations, orders, or other restrictions of the |
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107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
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108 | * any of its subsidiaries will export/re-export any technical data, process, |
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109 | * software, or service, directly or indirectly, to any country for which the |
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110 | * United States government or any agency thereof requires an export license, |
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111 | * other governmental approval, or letter of assurance, without first obtaining |
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112 | * such license, approval or letter. |
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113 | * |
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114 | *****************************************************************************/ |
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115 | |||
116 | #define __DTCOMPILE_C__ |
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117 | #define _DECLARE_DT_GLOBALS |
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118 | |||
119 | #include "aslcompiler.h" |
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120 | #include "dtcompiler.h" |
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121 | |||
122 | #define _COMPONENT DT_COMPILER |
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123 | ACPI_MODULE_NAME ("dtcompile") |
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124 | |||
125 | static char VersionString[9]; |
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126 | |||
127 | |||
128 | /* Local prototypes */ |
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129 | |||
130 | static void |
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131 | DtInitialize ( |
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132 | void); |
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133 | |||
134 | static ACPI_STATUS |
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135 | DtCompileDataTable ( |
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136 | DT_FIELD **Field); |
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137 | |||
138 | static void |
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139 | DtInsertCompilerIds ( |
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140 | DT_FIELD *FieldList); |
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141 | |||
142 | |||
143 | /****************************************************************************** |
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144 | * |
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145 | * FUNCTION: DtDoCompile |
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146 | * |
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147 | * PARAMETERS: None |
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148 | * |
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149 | * RETURN: Status |
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150 | * |
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151 | * DESCRIPTION: Main entry point for the data table compiler. |
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152 | * |
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153 | * Note: Assumes Gbl_Files[ASL_FILE_INPUT] is initialized and the file is |
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154 | * open at seek offset zero. |
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155 | * |
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156 | *****************************************************************************/ |
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157 | |||
158 | ACPI_STATUS |
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159 | DtDoCompile ( |
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160 | void) |
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161 | { |
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162 | ACPI_STATUS Status; |
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163 | UINT8 Event; |
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164 | DT_FIELD *FieldList; |
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165 | |||
166 | |||
167 | /* Initialize globals */ |
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168 | |||
169 | DtInitialize (); |
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170 | |||
171 | /* |
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172 | * Scan the input file (file is already open) and |
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173 | * build the parse tree |
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174 | */ |
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175 | Event = UtBeginEvent ("Scan and parse input file"); |
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176 | FieldList = DtScanFile (Gbl_Files[ASL_FILE_INPUT].Handle); |
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177 | UtEndEvent (Event); |
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178 | |||
179 | /* Did the parse tree get successfully constructed? */ |
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180 | |||
181 | if (!FieldList) |
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182 | { |
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183 | /* TBD: temporary error message. Msgs should come from function above */ |
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184 | |||
185 | DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL, |
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186 | "Could not parse input file"); |
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187 | return (AE_ERROR); |
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188 | } |
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189 | |||
190 | Event = UtBeginEvent ("Compile parse tree"); |
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191 | |||
192 | /* |
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193 | * Compile the parse tree |
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194 | */ |
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195 | Status = DtCompileDataTable (&FieldList); |
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196 | UtEndEvent (Event); |
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197 | |||
198 | DtFreeFieldList (); |
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199 | |||
200 | if (ACPI_FAILURE (Status)) |
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201 | { |
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202 | /* TBD: temporary error message. Msgs should come from function above */ |
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203 | |||
204 | DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL, |
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205 | "Could not compile input file"); |
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206 | goto CleanupAndExit; |
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207 | } |
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208 | |||
209 | /* Create/open the binary output file */ |
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210 | |||
211 | Gbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL; |
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212 | Status = FlOpenAmlOutputFile (Gbl_OutputFilenamePrefix); |
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213 | if (ACPI_FAILURE (Status)) |
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214 | { |
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215 | goto CleanupAndExit; |
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216 | } |
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217 | |||
218 | /* Write the binary, then the optional hex file */ |
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219 | |||
220 | DtOutputBinary (Gbl_RootTable); |
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221 | LsDoHexOutput (); |
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222 | |||
223 | CleanupAndExit: |
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224 | |||
225 | CmCleanupAndExit (); |
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226 | return (Status); |
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227 | } |
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228 | |||
229 | |||
230 | /****************************************************************************** |
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231 | * |
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232 | * FUNCTION: DtInitialize |
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233 | * |
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234 | * PARAMETERS: None |
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235 | * |
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236 | * RETURN: None |
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237 | * |
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238 | * DESCRIPTION: Initialize data table compiler globals. Enables multiple |
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239 | * compiles per invocation. |
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240 | * |
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241 | *****************************************************************************/ |
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242 | |||
243 | static void |
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244 | DtInitialize ( |
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245 | void) |
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246 | { |
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247 | |||
248 | Gbl_FieldList = NULL; |
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249 | Gbl_RootTable = NULL; |
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250 | Gbl_SubtableStack = NULL; |
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251 | |||
252 | sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION); |
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253 | } |
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254 | |||
255 | |||
256 | /****************************************************************************** |
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257 | * |
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258 | * FUNCTION: DtInsertCompilerIds |
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259 | * |
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260 | * PARAMETERS: FieldList - Current field list pointer |
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261 | * |
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262 | * RETURN: None |
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263 | * |
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264 | * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into |
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265 | * the original ACPI table header. |
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266 | * |
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267 | *****************************************************************************/ |
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268 | |||
269 | static void |
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270 | DtInsertCompilerIds ( |
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271 | DT_FIELD *FieldList) |
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272 | { |
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273 | DT_FIELD *Next; |
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274 | UINT32 i; |
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275 | |||
276 | |||
277 | /* |
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278 | * Don't insert current compiler ID if requested. Used for compiler |
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279 | * debug/validation only. |
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280 | */ |
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281 | if (Gbl_UseOriginalCompilerId) |
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282 | { |
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283 | return; |
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284 | } |
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285 | |||
286 | /* Walk to the Compiler fields at the end of the header */ |
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287 | |||
288 | Next = FieldList; |
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289 | for (i = 0; i < 7; i++) |
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290 | { |
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291 | Next = Next->Next; |
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292 | } |
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293 | |||
294 | Next->Value = CompilerCreatorId; |
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295 | Next->Flags = DT_FIELD_NOT_ALLOCATED; |
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296 | |||
297 | Next = Next->Next; |
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298 | Next->Value = VersionString; |
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299 | Next->Flags = DT_FIELD_NOT_ALLOCATED; |
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300 | } |
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301 | |||
302 | |||
303 | /****************************************************************************** |
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304 | * |
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305 | * FUNCTION: DtCompileDataTable |
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306 | * |
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307 | * PARAMETERS: FieldList - Current field list pointer |
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308 | * |
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309 | * RETURN: Status |
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310 | * |
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311 | * DESCRIPTION: Entry point to compile one data table |
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312 | * |
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313 | *****************************************************************************/ |
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314 | |||
315 | static ACPI_STATUS |
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316 | DtCompileDataTable ( |
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317 | DT_FIELD **FieldList) |
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318 | { |
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319 | ACPI_DMTABLE_DATA *TableData; |
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320 | DT_SUBTABLE *Subtable; |
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321 | char *Signature; |
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322 | ACPI_TABLE_HEADER *AcpiTableHeader; |
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323 | ACPI_STATUS Status; |
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324 | |||
325 | |||
326 | /* Verify that we at least have a table signature and save it */ |
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327 | |||
328 | Signature = DtGetFieldValue (*FieldList, "Signature"); |
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329 | if (!Signature) |
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330 | { |
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331 | DtError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, *FieldList, NULL); |
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332 | return (AE_ERROR); |
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333 | } |
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334 | |||
335 | Gbl_Signature = UtLocalCalloc (ACPI_STRLEN (Signature) + 1); |
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336 | strcpy (Gbl_Signature, Signature); |
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337 | |||
338 | /* |
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339 | * Handle tables that don't use the common ACPI table header structure. |
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340 | * Currently, these are the FACS and RSDP. Also check for an OEMx table, |
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341 | * these tables have user-defined contents. |
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342 | */ |
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343 | if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS)) |
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344 | { |
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345 | Status = DtCompileFacs (FieldList); |
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346 | if (ACPI_FAILURE (Status)) |
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347 | { |
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348 | return (Status); |
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349 | } |
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350 | |||
351 | DtSetTableLength (); |
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352 | return (Status); |
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353 | } |
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354 | else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_RSDP)) |
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355 | { |
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356 | Status = DtCompileRsdp (FieldList); |
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357 | return (Status); |
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358 | } |
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359 | else if (!ACPI_STRNCMP (Signature, "OEM", 3)) |
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360 | { |
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361 | DtFatal (ASL_MSG_OEM_TABLE, *FieldList, Signature); |
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362 | return (AE_ERROR); |
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363 | } |
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364 | |||
365 | /* |
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366 | * All other tables must use the common ACPI table header. Insert the |
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367 | * current iASL IDs (name, version), and compile the header now. |
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368 | */ |
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369 | DtInsertCompilerIds (*FieldList); |
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370 | |||
371 | Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader, |
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372 | &Gbl_RootTable, TRUE); |
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373 | if (ACPI_FAILURE (Status)) |
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374 | { |
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375 | return (Status); |
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376 | } |
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377 | |||
378 | DtPushSubtable (Gbl_RootTable); |
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379 | |||
380 | /* Match signature and dispatch appropriately */ |
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381 | |||
382 | TableData = AcpiDmGetTableData (Signature); |
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383 | if (!TableData) |
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384 | { |
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385 | DtFatal (ASL_MSG_UNKNOWN_TABLE, *FieldList, Signature); |
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386 | return (AE_ERROR); |
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387 | } |
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388 | |||
389 | if (TableData->CmTableHandler) |
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390 | { |
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391 | /* Complex table, has a handler */ |
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392 | |||
393 | Status = TableData->CmTableHandler ((void **) FieldList); |
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394 | if (ACPI_FAILURE (Status)) |
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395 | { |
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396 | return (Status); |
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397 | } |
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398 | } |
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399 | else if (TableData->TableInfo) |
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400 | { |
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401 | /* Simple table, just walk the info table */ |
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402 | |||
403 | Subtable = NULL; |
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404 | Status = DtCompileTable (FieldList, TableData->TableInfo, |
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405 | &Subtable, TRUE); |
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406 | if (ACPI_FAILURE (Status)) |
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407 | { |
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408 | return (Status); |
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409 | } |
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410 | |||
411 | DtInsertSubtable (Gbl_RootTable, Subtable); |
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412 | DtPopSubtable (); |
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413 | } |
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414 | else |
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415 | { |
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416 | DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList, |
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417 | "Missing table dispatch info"); |
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418 | return (AE_ERROR); |
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419 | } |
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420 | |||
421 | /* Set the final table length and then the checksum */ |
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422 | |||
423 | DtSetTableLength (); |
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424 | AcpiTableHeader = ACPI_CAST_PTR ( |
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425 | ACPI_TABLE_HEADER, Gbl_RootTable->Buffer); |
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426 | DtSetTableChecksum (&AcpiTableHeader->Checksum); |
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427 | |||
428 | return (AE_OK); |
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429 | } |
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430 | |||
431 | |||
432 | /****************************************************************************** |
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433 | * |
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434 | * FUNCTION: DtCompileTable |
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435 | * |
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436 | * PARAMETERS: Field - Current field list pointer |
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437 | * Info - Info table for this ACPI table |
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438 | * RetSubtable - Compile result of table |
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439 | * Required - If this subtable must exist |
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440 | * |
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441 | * RETURN: Status |
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442 | * |
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443 | * DESCRIPTION: Compile a subtable |
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444 | * |
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445 | *****************************************************************************/ |
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446 | |||
447 | ACPI_STATUS |
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448 | DtCompileTable ( |
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449 | DT_FIELD **Field, |
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450 | ACPI_DMTABLE_INFO *Info, |
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451 | DT_SUBTABLE **RetSubtable, |
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452 | BOOLEAN Required) |
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453 | { |
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454 | DT_FIELD *LocalField; |
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455 | UINT32 Length; |
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456 | DT_SUBTABLE *Subtable; |
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457 | DT_SUBTABLE *InlineSubtable; |
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458 | UINT32 FieldLength = 0; |
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459 | UINT8 FieldType; |
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460 | UINT8 *Buffer; |
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461 | UINT8 *FlagBuffer = NULL; |
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462 | UINT32 FlagBitPosition = 0; |
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463 | ACPI_STATUS Status; |
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464 | |||
465 | |||
466 | if (!Field || !*Field) |
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467 | { |
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468 | return (AE_BAD_PARAMETER); |
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469 | } |
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470 | |||
471 | Length = DtGetSubtableLength (*Field, Info); |
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472 | Subtable = UtLocalCalloc (sizeof (DT_SUBTABLE)); |
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473 | |||
474 | Subtable->Buffer = UtLocalCalloc (Length); |
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475 | Subtable->Length = Length; |
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476 | Subtable->TotalLength = Length; |
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477 | Buffer = Subtable->Buffer; |
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478 | |||
479 | LocalField = *Field; |
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480 | |||
481 | /* |
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482 | * Main loop walks the info table for this ACPI table or subtable |
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483 | */ |
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484 | for (; Info->Name; Info++) |
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485 | { |
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486 | if (!LocalField) |
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487 | { |
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488 | sprintf (MsgBuffer, "Found NULL field - Field name \"%s\" needed", |
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489 | Info->Name); |
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490 | DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer); |
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491 | Status = AE_BAD_DATA; |
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492 | goto Error; |
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493 | } |
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494 | |||
495 | /* Does input field name match what is expected? */ |
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496 | |||
497 | if (ACPI_STRCMP (LocalField->Name, Info->Name)) |
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498 | { |
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499 | /* |
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500 | * If Required = TRUE, the subtable must exist. |
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501 | * If Required = FALSE, the subtable is optional |
||
502 | * (For example, AcpiDmTableInfoDmarScope in DMAR table is |
||
503 | * optional) |
||
504 | */ |
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505 | if (Required) |
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506 | { |
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507 | sprintf (MsgBuffer, "Expected \"%s\"", Info->Name); |
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508 | DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME, |
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509 | LocalField, MsgBuffer); |
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510 | } |
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511 | else |
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512 | { |
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513 | Status = AE_NOT_FOUND; |
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514 | goto Error; |
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515 | } |
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516 | } |
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517 | |||
518 | FieldLength = DtGetFieldLength (LocalField, Info); |
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519 | FieldType = DtGetFieldType (Info); |
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520 | Gbl_InputFieldCount++; |
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521 | |||
522 | switch (FieldType) |
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523 | { |
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524 | case DT_FIELD_TYPE_FLAGS_INTEGER: |
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525 | /* |
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526 | * Start of the definition of a flags field. |
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527 | * This master flags integer starts at value zero, in preparation |
||
528 | * to compile and insert the flag fields from the individual bits |
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529 | */ |
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530 | LocalField = LocalField->Next; |
||
531 | *Field = LocalField; |
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532 | |||
533 | FlagBitPosition = 0; |
||
534 | FlagBuffer = Buffer; |
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535 | break; |
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536 | |||
537 | case DT_FIELD_TYPE_FLAG: |
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538 | |||
539 | /* Individual Flag field, can be multiple bits */ |
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540 | |||
541 | if (FlagBuffer) |
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542 | { |
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543 | FlagBitPosition = DtCompileFlag (FlagBuffer, |
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544 | LocalField, Info, FlagBitPosition); |
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545 | } |
||
546 | else |
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547 | { |
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548 | /* TBD - this is an internal error */ |
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549 | } |
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550 | |||
551 | LocalField = LocalField->Next; |
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552 | *Field = LocalField; |
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553 | break; |
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554 | |||
555 | case DT_FIELD_TYPE_INLINE_SUBTABLE: |
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556 | /* |
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557 | * Recursion (one level max): compile GAS (Generic Address) |
||
558 | * or Notify in-line subtable |
||
559 | */ |
||
560 | LocalField = LocalField->Next; |
||
561 | *Field = LocalField; |
||
562 | |||
563 | if (Info->Opcode == ACPI_DMT_GAS) |
||
564 | { |
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565 | Status = DtCompileTable (Field, AcpiDmTableInfoGas, |
||
566 | &InlineSubtable, TRUE); |
||
567 | } |
||
568 | else |
||
569 | { |
||
570 | Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify, |
||
571 | &InlineSubtable, TRUE); |
||
572 | } |
||
573 | |||
574 | if (ACPI_FAILURE (Status)) |
||
575 | { |
||
576 | goto Error; |
||
577 | } |
||
578 | |||
579 | ACPI_MEMCPY (Buffer, InlineSubtable->Buffer, FieldLength); |
||
580 | ACPI_FREE (InlineSubtable->Buffer); |
||
581 | ACPI_FREE (InlineSubtable); |
||
582 | LocalField = *Field; |
||
583 | break; |
||
584 | |||
585 | default: |
||
586 | |||
587 | /* Normal case for most field types (Integer, String, etc.) */ |
||
588 | |||
589 | DtCompileOneField (Buffer, LocalField, |
||
590 | FieldLength, FieldType, Info->Flags); |
||
591 | LocalField = LocalField->Next; |
||
592 | |||
593 | if (Info->Flags & DT_LENGTH) |
||
594 | { |
||
595 | /* Field is an Integer that will contain a subtable length */ |
||
596 | |||
597 | Subtable->LengthField = Buffer; |
||
598 | Subtable->SizeOfLengthField = FieldLength; |
||
599 | } |
||
600 | break; |
||
601 | } |
||
602 | |||
603 | Buffer += FieldLength; |
||
604 | } |
||
605 | |||
606 | *Field = LocalField; |
||
607 | *RetSubtable = Subtable; |
||
608 | return (AE_OK); |
||
609 | |||
610 | Error: |
||
611 | ACPI_FREE (Subtable->Buffer); |
||
612 | ACPI_FREE (Subtable); |
||
613 | return (Status); |
||
614 | }> |