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1498 | serge | 1 | |
2 | * |
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3 | * Module Name: aslcodegen - AML code generation |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | |||
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 - 2011, Intel Corp. |
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2216 | Serge | 12 | * All rights reserved. |
1498 | serge | 13 | * |
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 | |||
117 | |||
118 | #include "aslcompiler.y.h" |
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119 | #include "amlcode.h" |
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120 | |||
121 | |||
122 | ACPI_MODULE_NAME ("aslcodegen") |
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123 | |||
124 | |||
125 | |||
126 | |||
127 | CgAmlWriteWalk ( |
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128 | ACPI_PARSE_OBJECT *Op, |
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129 | UINT32 Level, |
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130 | void *Context); |
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131 | |||
132 | |||
133 | CgLocalWriteAmlData ( |
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134 | ACPI_PARSE_OBJECT *Op, |
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135 | void *Buffer, |
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136 | UINT32 Length); |
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137 | |||
138 | |||
139 | CgWriteAmlOpcode ( |
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140 | ACPI_PARSE_OBJECT *Op); |
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141 | |||
142 | |||
143 | CgWriteTableHeader ( |
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144 | ACPI_PARSE_OBJECT *Op); |
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145 | |||
146 | |||
147 | CgCloseTable ( |
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148 | void); |
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149 | |||
150 | |||
151 | CgWriteNode ( |
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152 | ACPI_PARSE_OBJECT *Op); |
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153 | |||
154 | |||
155 | |||
156 | * |
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157 | * FUNCTION: CgGenerateAmlOutput |
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158 | * |
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159 | * PARAMETERS: None. |
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160 | * |
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161 | * RETURN: None |
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162 | * |
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163 | * DESCRIPTION: Generate AML code. Currently generates the listing file |
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164 | * simultaneously. |
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165 | * |
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166 | ******************************************************************************/ |
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167 | |||
168 | |||
169 | CgGenerateAmlOutput ( |
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170 | void) |
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171 | { |
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172 | |||
173 | |||
174 | |||
175 | |||
176 | |||
177 | |||
178 | Gbl_SourceLine = 0; |
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179 | Gbl_NextError = Gbl_ErrorLog; |
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180 | |||
181 | |||
182 | CgAmlWriteWalk, NULL, NULL); |
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183 | CgCloseTable (); |
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184 | } |
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185 | |||
186 | |||
187 | |||
188 | * |
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189 | * FUNCTION: CgAmlWriteWalk |
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190 | * |
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191 | * PARAMETERS: ASL_WALK_CALLBACK |
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192 | * |
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193 | * RETURN: Status |
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194 | * |
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195 | * DESCRIPTION: Parse tree walk to generate the AML code. |
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196 | * |
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197 | ******************************************************************************/ |
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198 | |||
199 | |||
200 | CgAmlWriteWalk ( |
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201 | ACPI_PARSE_OBJECT *Op, |
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202 | UINT32 Level, |
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203 | void *Context) |
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204 | { |
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205 | |||
206 | |||
207 | * Print header at level 0. Alignment assumes 32-bit pointers |
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208 | */ |
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209 | if (!Level) |
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210 | { |
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211 | DbgPrint (ASL_TREE_OUTPUT, |
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212 | "Final parse tree used for AML output:\n"); |
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213 | DbgPrint (ASL_TREE_OUTPUT, |
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214 | "%*s Value P_Op A_Op OpLen PByts Len SubLen PSubLen OpPtr Child Parent Flags AcTyp Final Col L\n", |
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215 | 76, " "); |
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216 | } |
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217 | |||
218 | |||
219 | |||
220 | |||
221 | "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level); |
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222 | UtPrintFormattedName (Op->Asl.ParseOpcode, Level); |
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223 | |||
224 | |||
225 | Op->Asl.ParseOpcode == PARSEOP_NAMESTRING || |
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226 | Op->Asl.ParseOpcode == PARSEOP_METHODCALL) |
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227 | { |
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228 | DbgPrint (ASL_TREE_OUTPUT, |
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229 | "%10.32s ", Op->Asl.ExternalName); |
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230 | } |
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231 | else |
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232 | { |
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233 | DbgPrint (ASL_TREE_OUTPUT, " "); |
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234 | } |
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235 | |||
236 | |||
237 | "%08X %04X %04X %01X %04X %04X %04X %04X %08X %08X %08X %08X %08X %04X %02d %02d\n", |
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238 | /* 1 */ (UINT32) Op->Asl.Value.Integer, |
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239 | /* 2 */ Op->Asl.ParseOpcode, |
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240 | /* 3 */ Op->Asl.AmlOpcode, |
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241 | /* 4 */ Op->Asl.AmlOpcodeLength, |
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242 | /* 5 */ Op->Asl.AmlPkgLenBytes, |
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243 | /* 6 */ Op->Asl.AmlLength, |
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244 | /* 7 */ Op->Asl.AmlSubtreeLength, |
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245 | /* 8 */ Op->Asl.Parent ? Op->Asl.Parent->Asl.AmlSubtreeLength : 0, |
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246 | /* 9 */ Op, |
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247 | /* 10 */ Op->Asl.Child, |
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248 | /* 11 */ Op->Asl.Parent, |
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249 | /* 12 */ Op->Asl.CompileFlags, |
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250 | /* 13 */ Op->Asl.AcpiBtype, |
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251 | /* 14 */ Op->Asl.FinalAmlLength, |
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252 | /* 15 */ Op->Asl.Column, |
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253 | /* 16 */ Op->Asl.LineNumber); |
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254 | |||
255 | |||
256 | |||
257 | |||
258 | return (AE_OK); |
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259 | } |
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260 | |||
261 | |||
262 | |||
263 | * |
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264 | * FUNCTION: CgLocalWriteAmlData |
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265 | * |
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266 | * PARAMETERS: Op - Current parse op |
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267 | * Buffer - Buffer to write |
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268 | * Length - Size of data in buffer |
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269 | * |
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270 | * RETURN: None |
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271 | * |
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272 | * DESCRIPTION: Write a buffer of AML data to the AML output file. |
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273 | * |
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274 | ******************************************************************************/ |
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275 | |||
276 | |||
277 | CgLocalWriteAmlData ( |
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278 | ACPI_PARSE_OBJECT *Op, |
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279 | void *Buffer, |
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280 | UINT32 Length) |
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281 | { |
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282 | |||
283 | |||
284 | |||
285 | |||
286 | |||
287 | |||
288 | |||
289 | |||
290 | { |
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291 | Op->Asl.FinalAmlLength += Length; |
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292 | } |
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293 | } |
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294 | |||
295 | |||
296 | |||
297 | * |
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298 | * FUNCTION: CgWriteAmlOpcode |
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299 | * |
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300 | * PARAMETERS: Op - Parse node with an AML opcode |
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301 | * |
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302 | * RETURN: None. |
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303 | * |
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304 | * DESCRIPTION: Write the AML opcode corresponding to a parse node. |
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305 | * |
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306 | ******************************************************************************/ |
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307 | |||
308 | |||
309 | CgWriteAmlOpcode ( |
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310 | ACPI_PARSE_OBJECT *Op) |
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311 | { |
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312 | UINT8 PkgLenFirstByte; |
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313 | UINT32 i; |
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314 | union { |
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315 | UINT16 Opcode; |
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316 | UINT8 OpcodeBytes[2]; |
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317 | } Aml; |
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318 | union { |
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319 | UINT32 Len; |
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320 | UINT8 LenBytes[4]; |
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321 | } PkgLen; |
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322 | |||
323 | |||
324 | |||
325 | |||
326 | |||
327 | { |
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328 | return; |
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329 | } |
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330 | |||
331 | |||
332 | { |
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333 | case AML_UNASSIGNED_OPCODE: |
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334 | |||
335 | |||
336 | |||
337 | |||
338 | fprintf (stderr, "Found a node with an unassigned AML opcode\n"); |
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339 | return; |
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340 | |||
341 | |||
342 | |||
343 | |||
344 | |||
345 | |||
346 | break; |
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347 | |||
348 | |||
349 | |||
350 | |||
351 | break; |
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352 | |||
353 | |||
354 | Aml.Opcode = Op->Asl.AmlOpcode; |
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355 | break; |
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356 | } |
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357 | |||
358 | |||
359 | |||
360 | { |
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361 | case AML_PACKAGE_LENGTH: |
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362 | |||
363 | |||
364 | |||
365 | |||
366 | break; |
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367 | |||
368 | |||
369 | |||
370 | |||
371 | |||
372 | |||
373 | { |
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374 | /* Write the high byte first */ |
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375 | |||
376 | |||
377 | } |
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378 | |||
379 | |||
380 | |||
381 | |||
382 | |||
383 | |||
384 | break; |
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385 | } |
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386 | |||
387 | |||
388 | |||
389 | |||
390 | { |
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391 | if (Op->Asl.AmlPkgLenBytes == 1) |
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392 | { |
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393 | /* Simplest case -- no bytes to follow, just write the count */ |
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394 | |||
395 | |||
396 | } |
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397 | else if (Op->Asl.AmlPkgLenBytes != 0) |
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398 | { |
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399 | /* |
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400 | * Encode the "bytes to follow" in the first byte, top two bits. |
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401 | * The low-order nybble of the length is in the bottom 4 bits |
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402 | */ |
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403 | PkgLenFirstByte = (UINT8) |
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404 | (((UINT32) (Op->Asl.AmlPkgLenBytes - 1) << 6) | |
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405 | (PkgLen.LenBytes[0] & 0x0F)); |
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406 | |||
407 | |||
408 | |||
409 | |||
410 | * Shift the length over by the 4 bits we just stuffed |
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411 | * in the first byte |
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412 | */ |
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413 | PkgLen.Len >>= 4; |
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414 | |||
415 | |||
416 | |||
417 | |||
418 | { |
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419 | CgLocalWriteAmlData (Op, &PkgLen.LenBytes[i], 1); |
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420 | } |
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421 | } |
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422 | } |
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423 | |||
424 | |||
425 | { |
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426 | case AML_BYTE_OP: |
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427 | |||
428 | |||
429 | break; |
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430 | |||
431 | |||
432 | |||
433 | |||
434 | break; |
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435 | |||
436 | |||
437 | |||
438 | |||
439 | break; |
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440 | |||
441 | |||
442 | |||
443 | |||
444 | break; |
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445 | |||
446 | |||
447 | |||
448 | |||
449 | break; |
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450 | |||
451 | |||
452 | /* All data opcodes must appear above */ |
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453 | break; |
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454 | } |
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455 | } |
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456 | |||
457 | |||
458 | |||
459 | * |
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460 | * FUNCTION: CgWriteTableHeader |
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461 | * |
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462 | * PARAMETERS: Op - The DEFINITIONBLOCK node |
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463 | * |
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464 | * RETURN: None |
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465 | * |
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466 | * DESCRIPTION: Write a table header corresponding to the DEFINITIONBLOCK |
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467 | * |
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468 | ******************************************************************************/ |
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469 | |||
470 | |||
471 | CgWriteTableHeader ( |
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472 | ACPI_PARSE_OBJECT *Op) |
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473 | { |
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474 | ACPI_PARSE_OBJECT *Child; |
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475 | |||
476 | |||
477 | |||
478 | |||
479 | |||
480 | |||
481 | |||
482 | |||
483 | |||
484 | strncpy (TableHeader.Signature, Child->Asl.Value.String, 4); |
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485 | |||
486 | |||
487 | |||
488 | |||
489 | TableHeader.Revision = (UINT8) Child->Asl.Value.Integer; |
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490 | |||
491 | |||
492 | |||
493 | |||
494 | { |
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495 | TableHeader.Revision = Gbl_RevisionOverride; |
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496 | } |
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497 | |||
498 | |||
499 | |||
500 | |||
501 | strncpy (TableHeader.OemId, Child->Asl.Value.String, 6); |
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502 | |||
503 | |||
504 | |||
505 | |||
506 | strncpy (TableHeader.OemTableId, Child->Asl.Value.String, 8); |
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507 | |||
508 | |||
509 | |||
510 | |||
511 | TableHeader.OemRevision = (UINT32) Child->Asl.Value.Integer; |
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512 | |||
513 | |||
514 | |||
515 | |||
2216 | Serge | 516 | |
1498 | serge | 517 | |
518 | |||
519 | |||
2216 | Serge | 520 | |
1498 | serge | 521 | |
522 | |||
523 | |||
524 | TableHeader.Checksum = 0; |
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525 | |||
526 | |||
527 | } |
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528 | |||
529 | |||
530 | |||
531 | * |
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532 | * FUNCTION: CgCloseTable |
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533 | * |
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534 | * PARAMETERS: None. |
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535 | * |
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536 | * RETURN: None. |
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537 | * |
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538 | * DESCRIPTION: Complete the ACPI table by calculating the checksum and |
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539 | * re-writing the header. |
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540 | * |
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541 | ******************************************************************************/ |
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542 | |||
543 | |||
544 | CgCloseTable ( |
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545 | void) |
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546 | { |
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547 | signed char Sum; |
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548 | UINT8 FileByte; |
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549 | |||
550 | |||
551 | |||
552 | Sum = 0; |
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553 | |||
554 | |||
555 | |||
556 | |||
557 | { |
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558 | Sum = (signed char) (Sum + FileByte); |
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559 | } |
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560 | |||
561 | |||
562 | |||
563 | |||
564 | |||
565 | |||
566 | CgLocalWriteAmlData (NULL, &TableHeader, sizeof (ACPI_TABLE_HEADER)); |
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567 | } |
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568 | |||
569 | |||
570 | |||
571 | * |
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572 | * FUNCTION: CgWriteNode |
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573 | * |
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574 | * PARAMETERS: Op - Parse node to write. |
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575 | * |
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576 | * RETURN: None. |
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577 | * |
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578 | * DESCRIPTION: Write the AML that corresponds to a parse node. |
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579 | * |
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580 | ******************************************************************************/ |
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581 | |||
582 | |||
583 | CgWriteNode ( |
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584 | ACPI_PARSE_OBJECT *Op) |
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585 | { |
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586 | ASL_RESOURCE_NODE *Rnode; |
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587 | |||
588 | |||
589 | |||
590 | /* TBD: this may not be the best place for this check */ |
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591 | |||
592 | |||
593 | (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL) || |
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594 | (Op->Asl.ParseOpcode == PARSEOP_INCLUDE) || |
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595 | (Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END)) |
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596 | { |
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597 | return; |
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598 | } |
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599 | |||
600 | |||
601 | |||
602 | |||
603 | { |
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604 | case AML_RAW_DATA_BYTE: |
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605 | case AML_RAW_DATA_WORD: |
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606 | case AML_RAW_DATA_DWORD: |
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607 | case AML_RAW_DATA_QWORD: |
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608 | |||
609 | |||
610 | return; |
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611 | |||
612 | |||
613 | |||
614 | |||
615 | |||
616 | return; |
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617 | |||
618 | |||
619 | |||
620 | |||
621 | |||
622 | while (Rnode) |
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623 | { |
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624 | CgLocalWriteAmlData (Op, Rnode->Buffer, Rnode->BufferLength); |
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625 | Rnode = Rnode->Next; |
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626 | } |
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627 | return; |
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628 | |||
629 | |||
630 | /* Internal data opcodes must all appear above */ |
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631 | break; |
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632 | } |
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633 | |||
634 | |||
635 | { |
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636 | case PARSEOP_DEFAULT_ARG: |
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637 | |||
638 | |||
639 | |||
640 | |||
641 | |||
642 | |||
643 | break; |
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644 | |||
645 | |||
646 | case PARSEOP_NAMESTRING: |
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647 | case PARSEOP_METHODCALL: |
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648 | |||
649 | |||
650 | break; |
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651 | |||
652 | |||
653 | |||
654 | |||
655 | break; |
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656 | } |
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657 | }>><> |
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658 |