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Rev | Author | Line No. | Line |
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1498 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: dmextern - Support for External() ASL statements |
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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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2216 | Serge | 11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
1498 | serge | 12 | * All rights reserved. |
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 | #include "acpi.h" |
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117 | #include "accommon.h" |
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118 | #include "amlcode.h" |
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119 | #include "acnamesp.h" |
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120 | #include "acdisasm.h" |
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121 | |||
122 | |||
123 | /* |
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124 | * This module is used for application-level code (iASL disassembler) only. |
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125 | * |
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126 | * It contains the code to create and emit any necessary External() ASL |
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127 | * statements for the module being disassembled. |
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128 | */ |
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129 | #define _COMPONENT ACPI_CA_DISASSEMBLER |
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130 | ACPI_MODULE_NAME ("dmextern") |
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131 | |||
132 | |||
133 | /* |
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134 | * This table maps ACPI_OBJECT_TYPEs to the corresponding ASL |
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135 | * ObjectTypeKeyword. Used to generate typed external declarations |
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136 | */ |
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137 | static const char *AcpiGbl_DmTypeNames[] = |
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138 | { |
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139 | /* 00 */ "", /* Type ANY */ |
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140 | /* 01 */ ", IntObj", |
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141 | /* 02 */ ", StrObj", |
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142 | /* 03 */ ", BuffObj", |
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143 | /* 04 */ ", PkgObj", |
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144 | /* 05 */ ", FieldUnitObj", |
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145 | /* 06 */ ", DeviceObj", |
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146 | /* 07 */ ", EventObj", |
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147 | /* 08 */ ", MethodObj", |
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148 | /* 09 */ ", MutexObj", |
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149 | /* 10 */ ", OpRegionObj", |
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150 | /* 11 */ ", PowerResObj", |
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151 | /* 12 */ ", ProcessorObj", |
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152 | /* 13 */ ", ThermalZoneObj", |
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153 | /* 14 */ ", BuffFieldObj", |
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154 | /* 15 */ ", DDBHandleObj", |
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155 | /* 16 */ "", /* Debug object */ |
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156 | /* 17 */ ", FieldUnitObj", |
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157 | /* 18 */ ", FieldUnitObj", |
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158 | /* 19 */ ", FieldUnitObj" |
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159 | }; |
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160 | |||
161 | |||
162 | /* Local prototypes */ |
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163 | |||
164 | static const char * |
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165 | AcpiDmGetObjectTypeName ( |
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166 | ACPI_OBJECT_TYPE Type); |
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167 | |||
168 | static char * |
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169 | AcpiDmNormalizeParentPrefix ( |
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170 | ACPI_PARSE_OBJECT *Op, |
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171 | char *Path); |
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172 | |||
173 | |||
174 | /******************************************************************************* |
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175 | * |
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176 | * FUNCTION: AcpiDmGetObjectTypeName |
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177 | * |
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178 | * PARAMETERS: Type - An ACPI_OBJECT_TYPE |
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179 | * |
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180 | * RETURN: Pointer to a string |
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181 | * |
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182 | * DESCRIPTION: Map an object type to the ASL object type string. |
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183 | * |
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184 | ******************************************************************************/ |
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185 | |||
186 | static const char * |
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187 | AcpiDmGetObjectTypeName ( |
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188 | ACPI_OBJECT_TYPE Type) |
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189 | { |
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190 | |||
191 | if (Type == ACPI_TYPE_LOCAL_SCOPE) |
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192 | { |
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193 | Type = ACPI_TYPE_DEVICE; |
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194 | } |
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195 | |||
196 | else if (Type > ACPI_TYPE_LOCAL_INDEX_FIELD) |
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197 | { |
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198 | return (""); |
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199 | } |
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200 | |||
201 | return (AcpiGbl_DmTypeNames[Type]); |
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202 | } |
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203 | |||
204 | |||
205 | /******************************************************************************* |
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206 | * |
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207 | * FUNCTION: AcpiDmNormalizeParentPrefix |
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208 | * |
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209 | * PARAMETERS: Op - Parse op |
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210 | * Path - Path with parent prefix |
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211 | * |
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212 | * RETURN: The full pathname to the object (from the namespace root) |
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213 | * |
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214 | * DESCRIPTION: Returns the full pathname of a path with parent prefix |
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215 | * The caller must free the fullpath returned. |
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216 | * |
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217 | ******************************************************************************/ |
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218 | |||
219 | static char * |
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220 | AcpiDmNormalizeParentPrefix ( |
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221 | ACPI_PARSE_OBJECT *Op, |
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222 | char *Path) |
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223 | { |
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224 | ACPI_NAMESPACE_NODE *Node; |
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225 | char *Fullpath; |
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226 | char *ParentPath; |
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227 | ACPI_SIZE Length; |
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228 | |||
229 | |||
230 | /* Search upwards in the parse tree until we reach a namespace node */ |
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231 | |||
232 | while (Op) |
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233 | { |
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234 | if (Op->Common.Node) |
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235 | { |
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236 | break; |
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237 | } |
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238 | |||
239 | Op = Op->Common.Parent; |
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240 | } |
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241 | |||
242 | if (!Op) |
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243 | { |
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244 | return (NULL); |
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245 | } |
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246 | |||
247 | /* |
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248 | * Find the actual parent node for the reference: |
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249 | * Remove all carat prefixes from the input path. |
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250 | * There may be multiple parent prefixes (For example, ^^^M000) |
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251 | */ |
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252 | Node = Op->Common.Node; |
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253 | while (Node && (*Path == (UINT8) AML_PARENT_PREFIX)) |
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254 | { |
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255 | Node = Node->Parent; |
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256 | Path++; |
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257 | } |
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258 | |||
259 | if (!Node) |
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260 | { |
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261 | return (NULL); |
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262 | } |
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263 | |||
264 | /* Get the full pathname for the parent node */ |
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265 | |||
266 | ParentPath = AcpiNsGetExternalPathname (Node); |
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267 | if (!ParentPath) |
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268 | { |
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269 | return (NULL); |
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270 | } |
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271 | |||
272 | Length = (ACPI_STRLEN (ParentPath) + ACPI_STRLEN (Path) + 1); |
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273 | if (ParentPath[1]) |
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274 | { |
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275 | /* |
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276 | * If ParentPath is not just a simple '\', increment the length |
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277 | * for the required dot separator (ParentPath.Path) |
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278 | */ |
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279 | Length++; |
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280 | } |
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281 | |||
282 | Fullpath = ACPI_ALLOCATE_ZEROED (Length); |
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283 | if (!Fullpath) |
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284 | { |
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285 | goto Cleanup; |
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286 | } |
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287 | |||
288 | /* |
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289 | * Concatenate parent fullpath and path. For example, |
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290 | * parent fullpath "\_SB_", Path "^INIT", Fullpath "\_SB_.INIT" |
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291 | * |
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292 | * Copy the parent path |
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293 | */ |
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294 | ACPI_STRCAT (Fullpath, ParentPath); |
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295 | |||
296 | /* Add dot separator (don't need dot if parent fullpath is a single "\") */ |
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297 | |||
298 | if (ParentPath[1]) |
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299 | { |
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300 | ACPI_STRCAT (Fullpath, "."); |
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301 | } |
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302 | |||
303 | /* Copy child path (carat parent prefix(es) were skipped above) */ |
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304 | |||
305 | ACPI_STRCAT (Fullpath, Path); |
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306 | |||
307 | Cleanup: |
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308 | ACPI_FREE (ParentPath); |
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309 | return (Fullpath); |
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310 | } |
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311 | |||
312 | |||
313 | /******************************************************************************* |
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314 | * |
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2216 | Serge | 315 | * FUNCTION: AcpiDmAddToExternalFileList |
316 | * |
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317 | * PARAMETERS: PathList - Single path or list separated by comma |
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318 | * |
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319 | * RETURN: None |
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320 | * |
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321 | * DESCRIPTION: Add external files to global list |
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322 | * |
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323 | ******************************************************************************/ |
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324 | |||
325 | ACPI_STATUS |
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326 | AcpiDmAddToExternalFileList ( |
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327 | char *PathList) |
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328 | { |
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329 | ACPI_EXTERNAL_FILE *ExternalFile; |
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330 | char *Path; |
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331 | char *TmpPath; |
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332 | |||
333 | |||
334 | if (!PathList) |
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335 | { |
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336 | return (AE_OK); |
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337 | } |
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338 | |||
339 | Path = strtok (PathList, ","); |
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340 | |||
341 | while (Path) |
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342 | { |
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343 | TmpPath = ACPI_ALLOCATE_ZEROED (ACPI_STRLEN (Path) + 1); |
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344 | if (!TmpPath) |
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345 | { |
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346 | return (AE_NO_MEMORY); |
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347 | } |
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348 | |||
349 | ACPI_STRCPY (TmpPath, Path); |
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350 | |||
351 | ExternalFile = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_FILE)); |
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352 | if (!ExternalFile) |
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353 | { |
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354 | ACPI_FREE (TmpPath); |
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355 | return (AE_NO_MEMORY); |
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356 | } |
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357 | |||
358 | ExternalFile->Path = TmpPath; |
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359 | |||
360 | if (AcpiGbl_ExternalFileList) |
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361 | { |
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362 | ExternalFile->Next = AcpiGbl_ExternalFileList; |
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363 | } |
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364 | |||
365 | AcpiGbl_ExternalFileList = ExternalFile; |
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366 | Path = strtok (NULL, ","); |
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367 | } |
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368 | |||
369 | return (AE_OK); |
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370 | } |
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371 | |||
372 | |||
373 | /******************************************************************************* |
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374 | * |
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375 | * FUNCTION: AcpiDmClearExternalFileList |
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376 | * |
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377 | * PARAMETERS: None |
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378 | * |
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379 | * RETURN: None |
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380 | * |
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381 | * DESCRIPTION: Clear the external file list |
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382 | * |
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383 | ******************************************************************************/ |
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384 | |||
385 | void |
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386 | AcpiDmClearExternalFileList ( |
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387 | void) |
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388 | { |
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389 | ACPI_EXTERNAL_FILE *NextExternal; |
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390 | |||
391 | |||
392 | while (AcpiGbl_ExternalFileList) |
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393 | { |
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394 | NextExternal = AcpiGbl_ExternalFileList->Next; |
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395 | ACPI_FREE (AcpiGbl_ExternalFileList->Path); |
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396 | ACPI_FREE (AcpiGbl_ExternalFileList); |
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397 | AcpiGbl_ExternalFileList = NextExternal; |
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398 | } |
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399 | } |
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400 | |||
401 | |||
402 | /******************************************************************************* |
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403 | * |
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1498 | serge | 404 | * FUNCTION: AcpiDmAddToExternalList |
405 | * |
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406 | * PARAMETERS: Op - Current parser Op |
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407 | * Path - Internal (AML) path to the object |
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408 | * Type - ACPI object type to be added |
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409 | * Value - Arg count if adding a Method object |
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410 | * |
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411 | * RETURN: None |
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412 | * |
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413 | * DESCRIPTION: Insert a new name into the global list of Externals which |
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414 | * will in turn be later emitted as an External() declaration |
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415 | * in the disassembled output. |
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416 | * |
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417 | ******************************************************************************/ |
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418 | |||
419 | void |
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420 | AcpiDmAddToExternalList ( |
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421 | ACPI_PARSE_OBJECT *Op, |
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422 | char *Path, |
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423 | UINT8 Type, |
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424 | UINT32 Value) |
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425 | { |
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426 | char *ExternalPath; |
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427 | char *Fullpath = NULL; |
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428 | ACPI_EXTERNAL_LIST *NewExternal; |
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429 | ACPI_EXTERNAL_LIST *NextExternal; |
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430 | ACPI_EXTERNAL_LIST *PrevExternal = NULL; |
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431 | ACPI_STATUS Status; |
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432 | |||
433 | |||
434 | if (!Path) |
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435 | { |
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436 | return; |
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437 | } |
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438 | |||
439 | /* Externalize the ACPI path */ |
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440 | |||
441 | Status = AcpiNsExternalizeName (ACPI_UINT32_MAX, Path, |
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442 | NULL, &ExternalPath); |
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443 | if (ACPI_FAILURE (Status)) |
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444 | { |
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445 | return; |
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446 | } |
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447 | |||
448 | /* Get the full pathname from root if "Path" has a parent prefix */ |
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449 | |||
450 | if (*Path == (UINT8) AML_PARENT_PREFIX) |
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451 | { |
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452 | Fullpath = AcpiDmNormalizeParentPrefix (Op, ExternalPath); |
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453 | if (Fullpath) |
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454 | { |
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455 | /* Set new external path */ |
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456 | |||
457 | ACPI_FREE (ExternalPath); |
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458 | ExternalPath = Fullpath; |
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459 | } |
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460 | } |
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461 | |||
462 | /* Check all existing externals to ensure no duplicates */ |
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463 | |||
464 | NextExternal = AcpiGbl_ExternalList; |
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465 | while (NextExternal) |
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466 | { |
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467 | if (!ACPI_STRCMP (ExternalPath, NextExternal->Path)) |
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468 | { |
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469 | /* Duplicate method, check that the Value (ArgCount) is the same */ |
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470 | |||
471 | if ((NextExternal->Type == ACPI_TYPE_METHOD) && |
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472 | (NextExternal->Value != Value)) |
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473 | { |
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474 | ACPI_ERROR ((AE_INFO, |
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475 | "Argument count mismatch for method %s %u %u", |
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476 | NextExternal->Path, NextExternal->Value, Value)); |
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477 | } |
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478 | |||
479 | /* Allow upgrade of type from ANY */ |
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480 | |||
481 | else if (NextExternal->Type == ACPI_TYPE_ANY) |
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482 | { |
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483 | NextExternal->Type = Type; |
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484 | NextExternal->Value = Value; |
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485 | } |
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486 | |||
487 | ACPI_FREE (ExternalPath); |
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488 | return; |
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489 | } |
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490 | |||
491 | NextExternal = NextExternal->Next; |
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492 | } |
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493 | |||
494 | /* Allocate and init a new External() descriptor */ |
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495 | |||
496 | NewExternal = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EXTERNAL_LIST)); |
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497 | if (!NewExternal) |
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498 | { |
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499 | ACPI_FREE (ExternalPath); |
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500 | return; |
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501 | } |
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502 | |||
503 | NewExternal->Path = ExternalPath; |
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504 | NewExternal->Type = Type; |
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505 | NewExternal->Value = Value; |
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506 | NewExternal->Length = (UINT16) ACPI_STRLEN (ExternalPath); |
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507 | |||
508 | /* Was the external path with parent prefix normalized to a fullpath? */ |
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509 | |||
510 | if (Fullpath == ExternalPath) |
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511 | { |
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512 | /* Get new internal path */ |
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513 | |||
514 | Status = AcpiNsInternalizeName (ExternalPath, &Path); |
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515 | if (ACPI_FAILURE (Status)) |
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516 | { |
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517 | ACPI_FREE (ExternalPath); |
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518 | ACPI_FREE (NewExternal); |
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519 | return; |
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520 | } |
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521 | |||
522 | /* Set flag to indicate External->InternalPath need to be freed */ |
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523 | |||
524 | NewExternal->Flags |= ACPI_IPATH_ALLOCATED; |
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525 | } |
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526 | |||
527 | NewExternal->InternalPath = Path; |
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528 | |||
529 | /* Link the new descriptor into the global list, ordered by string length */ |
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530 | |||
531 | NextExternal = AcpiGbl_ExternalList; |
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532 | while (NextExternal) |
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533 | { |
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534 | if (NewExternal->Length <= NextExternal->Length) |
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535 | { |
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536 | if (PrevExternal) |
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537 | { |
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538 | PrevExternal->Next = NewExternal; |
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539 | } |
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540 | else |
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541 | { |
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542 | AcpiGbl_ExternalList = NewExternal; |
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543 | } |
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544 | |||
545 | NewExternal->Next = NextExternal; |
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546 | return; |
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547 | } |
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548 | |||
549 | PrevExternal = NextExternal; |
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550 | NextExternal = NextExternal->Next; |
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551 | } |
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552 | |||
553 | if (PrevExternal) |
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554 | { |
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555 | PrevExternal->Next = NewExternal; |
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556 | } |
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557 | else |
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558 | { |
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559 | AcpiGbl_ExternalList = NewExternal; |
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560 | } |
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561 | } |
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562 | |||
563 | |||
564 | /******************************************************************************* |
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565 | * |
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566 | * FUNCTION: AcpiDmAddExternalsToNamespace |
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567 | * |
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568 | * PARAMETERS: None |
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569 | * |
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570 | * RETURN: None |
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571 | * |
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572 | * DESCRIPTION: Add all externals to the namespace. Allows externals to be |
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573 | * "resolved". |
||
574 | * |
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575 | ******************************************************************************/ |
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576 | |||
577 | void |
||
578 | AcpiDmAddExternalsToNamespace ( |
||
579 | void) |
||
580 | { |
||
581 | ACPI_STATUS Status; |
||
582 | ACPI_NAMESPACE_NODE *Node; |
||
583 | ACPI_OPERAND_OBJECT *MethodDesc; |
||
584 | ACPI_EXTERNAL_LIST *External = AcpiGbl_ExternalList; |
||
585 | |||
586 | |||
587 | while (External) |
||
588 | { |
||
589 | /* Add the external name (object) into the namespace */ |
||
590 | |||
591 | Status = AcpiNsLookup (NULL, External->InternalPath, External->Type, |
||
592 | ACPI_IMODE_LOAD_PASS1, |
||
593 | ACPI_NS_EXTERNAL | ACPI_NS_DONT_OPEN_SCOPE, |
||
594 | NULL, &Node); |
||
595 | |||
596 | if (ACPI_FAILURE (Status)) |
||
597 | { |
||
598 | ACPI_EXCEPTION ((AE_INFO, Status, |
||
599 | "while adding external to namespace [%s]", |
||
600 | External->Path)); |
||
601 | } |
||
602 | else if (External->Type == ACPI_TYPE_METHOD) |
||
603 | { |
||
604 | /* For methods, we need to save the argument count */ |
||
605 | |||
606 | MethodDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); |
||
607 | MethodDesc->Method.ParamCount = (UINT8) External->Value; |
||
608 | Node->Object = MethodDesc; |
||
609 | } |
||
610 | |||
611 | External = External->Next; |
||
612 | } |
||
613 | } |
||
614 | |||
615 | |||
616 | /******************************************************************************* |
||
617 | * |
||
618 | * FUNCTION: AcpiDmGetExternalMethodCount |
||
619 | * |
||
620 | * PARAMETERS: None |
||
621 | * |
||
622 | * RETURN: The number of control method externals in the external list |
||
623 | * |
||
624 | * DESCRIPTION: Return the number of method externals that have been generated. |
||
625 | * If any control method externals have been found, we must |
||
626 | * re-parse the entire definition block with the new information |
||
627 | * (number of arguments for the methods.) This is limitation of |
||
628 | * AML, we don't know the number of arguments from the control |
||
629 | * method invocation itself. |
||
630 | * |
||
631 | ******************************************************************************/ |
||
632 | |||
633 | UINT32 |
||
634 | AcpiDmGetExternalMethodCount ( |
||
635 | void) |
||
636 | { |
||
637 | ACPI_EXTERNAL_LIST *External = AcpiGbl_ExternalList; |
||
638 | UINT32 Count = 0; |
||
639 | |||
640 | |||
641 | while (External) |
||
642 | { |
||
643 | if (External->Type == ACPI_TYPE_METHOD) |
||
644 | { |
||
645 | Count++; |
||
646 | } |
||
647 | |||
648 | External = External->Next; |
||
649 | } |
||
650 | |||
651 | return (Count); |
||
652 | } |
||
653 | |||
654 | |||
655 | /******************************************************************************* |
||
656 | * |
||
657 | * FUNCTION: AcpiDmClearExternalList |
||
658 | * |
||
659 | * PARAMETERS: None |
||
660 | * |
||
661 | * RETURN: None |
||
662 | * |
||
663 | * DESCRIPTION: Free the entire External info list |
||
664 | * |
||
665 | ******************************************************************************/ |
||
666 | |||
667 | void |
||
668 | AcpiDmClearExternalList ( |
||
669 | void) |
||
670 | { |
||
671 | ACPI_EXTERNAL_LIST *NextExternal; |
||
672 | |||
673 | |||
674 | while (AcpiGbl_ExternalList) |
||
675 | { |
||
676 | NextExternal = AcpiGbl_ExternalList->Next; |
||
677 | ACPI_FREE (AcpiGbl_ExternalList->Path); |
||
678 | ACPI_FREE (AcpiGbl_ExternalList); |
||
679 | AcpiGbl_ExternalList = NextExternal; |
||
680 | } |
||
681 | } |
||
682 | |||
683 | |||
684 | /******************************************************************************* |
||
685 | * |
||
686 | * FUNCTION: AcpiDmEmitExternals |
||
687 | * |
||
688 | * PARAMETERS: None |
||
689 | * |
||
690 | * RETURN: None |
||
691 | * |
||
692 | * DESCRIPTION: Emit an External() ASL statement for each of the externals in |
||
693 | * the global external info list. |
||
694 | * |
||
695 | ******************************************************************************/ |
||
696 | |||
697 | void |
||
698 | AcpiDmEmitExternals ( |
||
699 | void) |
||
700 | { |
||
701 | ACPI_EXTERNAL_LIST *NextExternal; |
||
702 | |||
703 | |||
704 | if (!AcpiGbl_ExternalList) |
||
705 | { |
||
706 | return; |
||
707 | } |
||
708 | |||
709 | /* |
||
710 | * Walk the list of externals (unresolved references) |
||
711 | * found during the AML parsing |
||
712 | */ |
||
713 | while (AcpiGbl_ExternalList) |
||
714 | { |
||
715 | AcpiOsPrintf (" External (%s%s", |
||
716 | AcpiGbl_ExternalList->Path, |
||
717 | AcpiDmGetObjectTypeName (AcpiGbl_ExternalList->Type)); |
||
718 | |||
719 | if (AcpiGbl_ExternalList->Type == ACPI_TYPE_METHOD) |
||
720 | { |
||
721 | AcpiOsPrintf (") // %u Arguments\n", |
||
722 | AcpiGbl_ExternalList->Value); |
||
723 | } |
||
724 | else |
||
725 | { |
||
726 | AcpiOsPrintf (")\n"); |
||
727 | } |
||
728 | |||
729 | /* Free this external info block and move on to next external */ |
||
730 | |||
731 | NextExternal = AcpiGbl_ExternalList->Next; |
||
732 | if (AcpiGbl_ExternalList->Flags & ACPI_IPATH_ALLOCATED) |
||
733 | { |
||
734 | ACPI_FREE (AcpiGbl_ExternalList->InternalPath); |
||
735 | } |
||
736 | |||
737 | ACPI_FREE (AcpiGbl_ExternalList->Path); |
||
738 | ACPI_FREE (AcpiGbl_ExternalList); |
||
739 | AcpiGbl_ExternalList = NextExternal; |
||
740 | } |
||
741 | |||
742 | AcpiOsPrintf ("\n"); |
||
743 | }=> |
||
744 |