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1498 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: osunixxf - UNIX OSL interfaces |
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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 | |||
117 | /* |
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118 | * These interfaces are required in order to compile the ASL compiler under |
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119 | * Linux or other Unix-like system. |
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120 | */ |
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121 | |||
122 | #include |
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123 | #include |
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124 | #include |
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125 | #include |
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126 | #include |
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127 | #include |
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128 | #include |
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129 | |||
130 | #include "acpi.h" |
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131 | #include "accommon.h" |
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132 | #include "amlcode.h" |
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133 | #include "acparser.h" |
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134 | #include "acdebug.h" |
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135 | |||
136 | #define _COMPONENT ACPI_OS_SERVICES |
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137 | ACPI_MODULE_NAME ("osunixxf") |
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138 | |||
139 | |||
140 | extern FILE *AcpiGbl_DebugFile; |
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141 | FILE *AcpiGbl_OutputFile; |
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142 | |||
143 | |||
144 | /* Upcalls to AcpiExec */ |
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145 | |||
146 | ACPI_PHYSICAL_ADDRESS |
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147 | AeLocalGetRootPointer ( |
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148 | void); |
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149 | |||
150 | void |
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151 | AeTableOverride ( |
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152 | ACPI_TABLE_HEADER *ExistingTable, |
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153 | ACPI_TABLE_HEADER **NewTable); |
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154 | |||
155 | typedef void* (*PTHREAD_CALLBACK) (void *); |
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156 | |||
157 | |||
158 | /****************************************************************************** |
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159 | * |
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160 | * FUNCTION: AcpiOsInitialize, AcpiOsTerminate |
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161 | * |
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162 | * PARAMETERS: None |
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163 | * |
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164 | * RETURN: Status |
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165 | * |
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166 | * DESCRIPTION: Init and terminate. Nothing to do. |
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167 | * |
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168 | *****************************************************************************/ |
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169 | |||
170 | ACPI_STATUS |
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171 | AcpiOsInitialize (void) |
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172 | { |
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173 | |||
174 | AcpiGbl_OutputFile = stdout; |
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175 | return (AE_OK); |
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176 | } |
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177 | |||
178 | |||
179 | ACPI_STATUS |
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180 | AcpiOsTerminate (void) |
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181 | { |
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182 | |||
183 | return (AE_OK); |
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184 | } |
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185 | |||
186 | |||
187 | /****************************************************************************** |
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188 | * |
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189 | * FUNCTION: AcpiOsGetRootPointer |
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190 | * |
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191 | * PARAMETERS: None |
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192 | * |
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193 | * RETURN: RSDP physical address |
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194 | * |
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195 | * DESCRIPTION: Gets the root pointer (RSDP) |
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196 | * |
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197 | *****************************************************************************/ |
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198 | |||
199 | ACPI_PHYSICAL_ADDRESS |
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200 | AcpiOsGetRootPointer ( |
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201 | void) |
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202 | { |
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203 | |||
204 | return (AeLocalGetRootPointer ()); |
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205 | } |
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206 | |||
207 | |||
208 | /****************************************************************************** |
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209 | * |
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210 | * FUNCTION: AcpiOsPredefinedOverride |
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211 | * |
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212 | * PARAMETERS: InitVal - Initial value of the predefined object |
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213 | * NewVal - The new value for the object |
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214 | * |
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215 | * RETURN: Status, pointer to value. Null pointer returned if not |
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216 | * overriding. |
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217 | * |
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218 | * DESCRIPTION: Allow the OS to override predefined names |
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219 | * |
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220 | *****************************************************************************/ |
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221 | |||
222 | ACPI_STATUS |
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223 | AcpiOsPredefinedOverride ( |
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224 | const ACPI_PREDEFINED_NAMES *InitVal, |
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225 | ACPI_STRING *NewVal) |
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226 | { |
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227 | |||
228 | if (!InitVal || !NewVal) |
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229 | { |
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230 | return (AE_BAD_PARAMETER); |
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231 | } |
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232 | |||
233 | *NewVal = NULL; |
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234 | return (AE_OK); |
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235 | } |
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236 | |||
237 | |||
238 | /****************************************************************************** |
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239 | * |
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240 | * FUNCTION: AcpiOsTableOverride |
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241 | * |
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242 | * PARAMETERS: ExistingTable - Header of current table (probably firmware) |
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243 | * NewTable - Where an entire new table is returned. |
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244 | * |
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245 | * RETURN: Status, pointer to new table. Null pointer returned if no |
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246 | * table is available to override |
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247 | * |
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248 | * DESCRIPTION: Return a different version of a table if one is available |
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249 | * |
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250 | *****************************************************************************/ |
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251 | |||
252 | ACPI_STATUS |
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253 | AcpiOsTableOverride ( |
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254 | ACPI_TABLE_HEADER *ExistingTable, |
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255 | ACPI_TABLE_HEADER **NewTable) |
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256 | { |
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257 | |||
258 | if (!ExistingTable || !NewTable) |
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259 | { |
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260 | return (AE_BAD_PARAMETER); |
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261 | } |
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262 | |||
263 | *NewTable = NULL; |
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264 | |||
265 | #ifdef ACPI_EXEC_APP |
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266 | |||
267 | AeTableOverride (ExistingTable, NewTable); |
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268 | return (AE_OK); |
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269 | #else |
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270 | |||
271 | return (AE_NO_ACPI_TABLES); |
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272 | #endif |
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273 | } |
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274 | |||
275 | |||
276 | /****************************************************************************** |
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277 | * |
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278 | * FUNCTION: AcpiOsRedirectOutput |
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279 | * |
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280 | * PARAMETERS: Destination - An open file handle/pointer |
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281 | * |
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282 | * RETURN: None |
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283 | * |
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284 | * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf |
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285 | * |
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286 | *****************************************************************************/ |
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287 | |||
288 | void |
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289 | AcpiOsRedirectOutput ( |
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290 | void *Destination) |
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291 | { |
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292 | |||
293 | AcpiGbl_OutputFile = Destination; |
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294 | } |
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295 | |||
296 | |||
297 | /****************************************************************************** |
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298 | * |
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299 | * FUNCTION: AcpiOsPrintf |
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300 | * |
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301 | * PARAMETERS: fmt, ... Standard printf format |
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302 | * |
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303 | * RETURN: None |
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304 | * |
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305 | * DESCRIPTION: Formatted output |
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306 | * |
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307 | *****************************************************************************/ |
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308 | |||
309 | void ACPI_INTERNAL_VAR_XFACE |
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310 | AcpiOsPrintf ( |
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311 | const char *Fmt, |
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312 | ...) |
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313 | { |
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314 | va_list Args; |
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315 | |||
316 | |||
317 | va_start (Args, Fmt); |
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318 | AcpiOsVprintf (Fmt, Args); |
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319 | va_end (Args); |
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320 | } |
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321 | |||
322 | |||
323 | /****************************************************************************** |
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324 | * |
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325 | * FUNCTION: AcpiOsVprintf |
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326 | * |
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327 | * PARAMETERS: fmt Standard printf format |
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328 | * args Argument list |
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329 | * |
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330 | * RETURN: None |
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331 | * |
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332 | * DESCRIPTION: Formatted output with argument list pointer |
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333 | * |
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334 | *****************************************************************************/ |
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335 | |||
336 | void |
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337 | AcpiOsVprintf ( |
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338 | const char *Fmt, |
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339 | va_list Args) |
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340 | { |
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341 | INT32 Count = 0; |
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342 | UINT8 Flags; |
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343 | |||
344 | |||
345 | Flags = AcpiGbl_DbOutputFlags; |
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346 | if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT) |
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347 | { |
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348 | /* Output is directable to either a file (if open) or the console */ |
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349 | |||
350 | if (AcpiGbl_DebugFile) |
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351 | { |
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352 | /* Output file is open, send the output there */ |
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353 | |||
354 | Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args); |
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355 | } |
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356 | else |
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357 | { |
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358 | /* No redirection, send output to console (once only!) */ |
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359 | |||
360 | Flags |= ACPI_DB_CONSOLE_OUTPUT; |
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361 | } |
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362 | } |
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363 | |||
364 | if (Flags & ACPI_DB_CONSOLE_OUTPUT) |
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365 | { |
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366 | Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args); |
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367 | } |
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368 | } |
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369 | |||
370 | |||
371 | /****************************************************************************** |
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372 | * |
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373 | * FUNCTION: AcpiOsGetLine |
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374 | * |
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375 | * PARAMETERS: fmt Standard printf format |
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376 | * args Argument list |
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377 | * |
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378 | * RETURN: Actual bytes read |
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379 | * |
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380 | * DESCRIPTION: Formatted input with argument list pointer |
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381 | * |
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382 | *****************************************************************************/ |
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383 | |||
384 | UINT32 |
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385 | AcpiOsGetLine ( |
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386 | char *Buffer) |
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387 | { |
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388 | UINT8 Temp; |
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389 | UINT32 i; |
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390 | |||
391 | |||
392 | for (i = 0; ; i++) |
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393 | { |
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394 | scanf ("%1c", &Temp); |
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395 | if (!Temp || Temp == '\n') |
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396 | { |
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397 | break; |
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398 | } |
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399 | |||
400 | Buffer [i] = Temp; |
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401 | } |
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402 | |||
403 | /* Null terminate the buffer */ |
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404 | |||
405 | Buffer [i] = 0; |
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406 | |||
407 | /* Return the number of bytes in the string */ |
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408 | |||
409 | return (i); |
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410 | } |
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411 | |||
412 | /****************************************************************************** |
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413 | * |
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414 | * FUNCTION: AcpiOsMapMemory |
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415 | * |
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416 | * PARAMETERS: where Physical address of memory to be mapped |
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417 | * length How much memory to map |
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418 | * |
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419 | * RETURN: Pointer to mapped memory. Null on error. |
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420 | * |
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421 | * DESCRIPTION: Map physical memory into caller's address space |
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422 | * |
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423 | *****************************************************************************/ |
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424 | |||
425 | void * |
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426 | AcpiOsMapMemory ( |
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427 | ACPI_PHYSICAL_ADDRESS where, |
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428 | ACPI_SIZE length) |
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429 | { |
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430 | |||
431 | return (ACPI_TO_POINTER ((ACPI_SIZE) where)); |
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432 | } |
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433 | |||
434 | |||
435 | /****************************************************************************** |
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436 | * |
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437 | * FUNCTION: AcpiOsUnmapMemory |
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438 | * |
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439 | * PARAMETERS: where Logical address of memory to be unmapped |
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440 | * length How much memory to unmap |
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441 | * |
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442 | * RETURN: None. |
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443 | * |
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444 | * DESCRIPTION: Delete a previously created mapping. Where and Length must |
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445 | * correspond to a previous mapping exactly. |
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446 | * |
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447 | *****************************************************************************/ |
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448 | |||
449 | void |
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450 | AcpiOsUnmapMemory ( |
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451 | void *where, |
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452 | ACPI_SIZE length) |
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453 | { |
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454 | |||
455 | return; |
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456 | } |
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457 | |||
458 | |||
459 | /****************************************************************************** |
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460 | * |
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461 | * FUNCTION: AcpiOsAllocate |
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462 | * |
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463 | * PARAMETERS: Size Amount to allocate, in bytes |
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464 | * |
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465 | * RETURN: Pointer to the new allocation. Null on error. |
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466 | * |
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467 | * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. |
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468 | * |
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469 | *****************************************************************************/ |
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470 | |||
471 | void * |
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472 | AcpiOsAllocate ( |
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473 | ACPI_SIZE size) |
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474 | { |
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475 | void *Mem; |
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476 | |||
477 | |||
478 | Mem = (void *) malloc ((size_t) size); |
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479 | return (Mem); |
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480 | } |
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481 | |||
482 | |||
483 | /****************************************************************************** |
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484 | * |
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485 | * FUNCTION: AcpiOsFree |
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486 | * |
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487 | * PARAMETERS: mem Pointer to previously allocated memory |
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488 | * |
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489 | * RETURN: None. |
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490 | * |
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491 | * DESCRIPTION: Free memory allocated via AcpiOsAllocate |
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492 | * |
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493 | *****************************************************************************/ |
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494 | |||
495 | void |
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496 | AcpiOsFree ( |
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497 | void *mem) |
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498 | { |
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499 | |||
500 | free (mem); |
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501 | } |
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502 | |||
503 | |||
504 | /****************************************************************************** |
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505 | * |
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506 | * FUNCTION: AcpiOsCreateSemaphore |
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507 | * |
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508 | * PARAMETERS: InitialUnits - Units to be assigned to the new semaphore |
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509 | * OutHandle - Where a handle will be returned |
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510 | * |
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511 | * RETURN: Status |
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512 | * |
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513 | * DESCRIPTION: Create an OS semaphore |
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514 | * |
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515 | *****************************************************************************/ |
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516 | |||
517 | ACPI_STATUS |
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518 | AcpiOsCreateSemaphore ( |
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519 | UINT32 MaxUnits, |
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520 | UINT32 InitialUnits, |
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521 | ACPI_HANDLE *OutHandle) |
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522 | { |
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523 | sem_t *Sem; |
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524 | |||
525 | |||
526 | if (!OutHandle) |
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527 | { |
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528 | return (AE_BAD_PARAMETER); |
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529 | } |
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530 | |||
531 | Sem = AcpiOsAllocate (sizeof (sem_t)); |
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532 | |||
533 | if (!Sem) |
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534 | { |
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535 | return (AE_NO_MEMORY); |
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536 | } |
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537 | |||
538 | if (sem_init (Sem, 0, InitialUnits) == -1) |
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539 | { |
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540 | AcpiOsFree (Sem); |
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541 | return (AE_BAD_PARAMETER); |
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542 | } |
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543 | |||
544 | *OutHandle = (ACPI_HANDLE) Sem; |
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545 | return (AE_OK); |
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546 | } |
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547 | |||
548 | |||
549 | /****************************************************************************** |
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550 | * |
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551 | * FUNCTION: AcpiOsDeleteSemaphore |
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552 | * |
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553 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
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554 | * |
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555 | * RETURN: Status |
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556 | * |
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557 | * DESCRIPTION: Delete an OS semaphore |
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558 | * |
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559 | *****************************************************************************/ |
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560 | |||
561 | ACPI_STATUS |
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562 | AcpiOsDeleteSemaphore ( |
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563 | ACPI_HANDLE Handle) |
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564 | { |
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565 | sem_t *Sem = (sem_t *) Handle; |
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566 | |||
567 | |||
568 | if (!Sem) |
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569 | { |
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570 | return (AE_BAD_PARAMETER); |
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571 | } |
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572 | |||
573 | if (sem_destroy (Sem) == -1) |
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574 | { |
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575 | return (AE_BAD_PARAMETER); |
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576 | } |
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577 | |||
578 | return (AE_OK); |
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579 | } |
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580 | |||
581 | |||
582 | /****************************************************************************** |
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583 | * |
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584 | * FUNCTION: AcpiOsWaitSemaphore |
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585 | * |
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586 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
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587 | * Units - How many units to wait for |
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588 | * Timeout - How long to wait |
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589 | * |
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590 | * RETURN: Status |
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591 | * |
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592 | * DESCRIPTION: Wait for units |
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593 | * |
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594 | *****************************************************************************/ |
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595 | |||
596 | ACPI_STATUS |
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597 | AcpiOsWaitSemaphore ( |
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598 | ACPI_HANDLE Handle, |
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599 | UINT32 Units, |
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600 | UINT16 Timeout) |
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601 | { |
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602 | ACPI_STATUS Status = AE_OK; |
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603 | sem_t *Sem = (sem_t *) Handle; |
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604 | struct timespec T; |
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605 | |||
606 | |||
607 | if (!Sem) |
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608 | { |
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609 | return (AE_BAD_PARAMETER); |
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610 | } |
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611 | |||
612 | switch (Timeout) |
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613 | { |
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614 | /* |
||
615 | * No Wait: |
||
616 | * -------- |
||
617 | * A zero timeout value indicates that we shouldn't wait - just |
||
618 | * acquire the semaphore if available otherwise return AE_TIME |
||
619 | * (a.k.a. 'would block'). |
||
620 | */ |
||
621 | case 0: |
||
622 | |||
623 | if (sem_trywait(Sem) == -1) |
||
624 | { |
||
625 | Status = (AE_TIME); |
||
626 | } |
||
627 | break; |
||
628 | |||
629 | /* Wait Indefinitely */ |
||
630 | |||
631 | case ACPI_WAIT_FOREVER: |
||
632 | |||
633 | if (sem_wait (Sem)) |
||
634 | { |
||
635 | Status = (AE_TIME); |
||
636 | } |
||
637 | break; |
||
638 | |||
639 | /* Wait with Timeout */ |
||
640 | |||
641 | default: |
||
642 | |||
643 | T.tv_sec = Timeout / 1000; |
||
644 | T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000; |
||
645 | |||
646 | #ifdef ACPI_USE_ALTERNATE_TIMEOUT |
||
647 | /* |
||
648 | * Alternate timeout mechanism for environments where |
||
649 | * sem_timedwait is not available or does not work properly. |
||
650 | */ |
||
651 | while (Timeout) |
||
652 | { |
||
653 | if (sem_trywait (Sem) == 0) |
||
654 | { |
||
655 | /* Got the semaphore */ |
||
656 | return (AE_OK); |
||
657 | } |
||
658 | usleep (1000); /* one millisecond */ |
||
659 | Timeout--; |
||
660 | } |
||
661 | Status = (AE_TIME); |
||
662 | #else |
||
663 | |||
664 | if (sem_timedwait (Sem, &T)) |
||
665 | { |
||
666 | Status = (AE_TIME); |
||
667 | } |
||
668 | #endif |
||
669 | |||
670 | break; |
||
671 | } |
||
672 | |||
673 | return (Status); |
||
674 | } |
||
675 | |||
676 | |||
677 | /****************************************************************************** |
||
678 | * |
||
679 | * FUNCTION: AcpiOsSignalSemaphore |
||
680 | * |
||
681 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
682 | * Units - Number of units to send |
||
683 | * |
||
684 | * RETURN: Status |
||
685 | * |
||
686 | * DESCRIPTION: Send units |
||
687 | * |
||
688 | *****************************************************************************/ |
||
689 | |||
690 | ACPI_STATUS |
||
691 | AcpiOsSignalSemaphore ( |
||
692 | ACPI_HANDLE Handle, |
||
693 | UINT32 Units) |
||
694 | { |
||
695 | sem_t *Sem = (sem_t *)Handle; |
||
696 | |||
697 | |||
698 | if (!Sem) |
||
699 | { |
||
700 | return (AE_BAD_PARAMETER); |
||
701 | } |
||
702 | |||
703 | if (sem_post (Sem) == -1) |
||
704 | { |
||
705 | return (AE_LIMIT); |
||
706 | } |
||
707 | |||
708 | return (AE_OK); |
||
709 | } |
||
710 | |||
711 | |||
712 | /****************************************************************************** |
||
713 | * |
||
714 | * FUNCTION: Spinlock interfaces |
||
715 | * |
||
716 | * DESCRIPTION: Map these interfaces to semaphore interfaces |
||
717 | * |
||
718 | *****************************************************************************/ |
||
719 | |||
720 | ACPI_STATUS |
||
721 | AcpiOsCreateLock ( |
||
722 | ACPI_SPINLOCK *OutHandle) |
||
723 | { |
||
724 | |||
725 | return (AcpiOsCreateSemaphore (1, 1, OutHandle)); |
||
726 | } |
||
727 | |||
728 | |||
729 | void |
||
730 | AcpiOsDeleteLock ( |
||
731 | ACPI_SPINLOCK Handle) |
||
732 | { |
||
733 | AcpiOsDeleteSemaphore (Handle); |
||
734 | } |
||
735 | |||
736 | |||
737 | ACPI_CPU_FLAGS |
||
738 | AcpiOsAcquireLock ( |
||
739 | ACPI_HANDLE Handle) |
||
740 | { |
||
741 | AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); |
||
742 | return (0); |
||
743 | } |
||
744 | |||
745 | |||
746 | void |
||
747 | AcpiOsReleaseLock ( |
||
748 | ACPI_SPINLOCK Handle, |
||
749 | ACPI_CPU_FLAGS Flags) |
||
750 | { |
||
751 | AcpiOsSignalSemaphore (Handle, 1); |
||
752 | } |
||
753 | |||
754 | |||
755 | /****************************************************************************** |
||
756 | * |
||
757 | * FUNCTION: AcpiOsInstallInterruptHandler |
||
758 | * |
||
759 | * PARAMETERS: InterruptNumber Level handler should respond to. |
||
760 | * Isr Address of the ACPI interrupt handler |
||
761 | * ExceptPtr Where status is returned |
||
762 | * |
||
763 | * RETURN: Handle to the newly installed handler. |
||
764 | * |
||
765 | * DESCRIPTION: Install an interrupt handler. Used to install the ACPI |
||
766 | * OS-independent handler. |
||
767 | * |
||
768 | *****************************************************************************/ |
||
769 | |||
770 | UINT32 |
||
771 | AcpiOsInstallInterruptHandler ( |
||
772 | UINT32 InterruptNumber, |
||
773 | ACPI_OSD_HANDLER ServiceRoutine, |
||
774 | void *Context) |
||
775 | { |
||
776 | |||
777 | return (AE_OK); |
||
778 | } |
||
779 | |||
780 | |||
781 | /****************************************************************************** |
||
782 | * |
||
783 | * FUNCTION: AcpiOsRemoveInterruptHandler |
||
784 | * |
||
785 | * PARAMETERS: Handle Returned when handler was installed |
||
786 | * |
||
787 | * RETURN: Status |
||
788 | * |
||
789 | * DESCRIPTION: Uninstalls an interrupt handler. |
||
790 | * |
||
791 | *****************************************************************************/ |
||
792 | |||
793 | ACPI_STATUS |
||
794 | AcpiOsRemoveInterruptHandler ( |
||
795 | UINT32 InterruptNumber, |
||
796 | ACPI_OSD_HANDLER ServiceRoutine) |
||
797 | { |
||
798 | |||
799 | return (AE_OK); |
||
800 | } |
||
801 | |||
802 | |||
803 | /****************************************************************************** |
||
804 | * |
||
805 | * FUNCTION: AcpiOsExecute |
||
806 | * |
||
807 | * PARAMETERS: Type - Type of execution |
||
808 | * Function - Address of the function to execute |
||
809 | * Context - Passed as a parameter to the function |
||
810 | * |
||
811 | * RETURN: Status. |
||
812 | * |
||
813 | * DESCRIPTION: Execute a new thread |
||
814 | * |
||
815 | *****************************************************************************/ |
||
816 | |||
817 | ACPI_STATUS |
||
818 | AcpiOsExecute ( |
||
819 | ACPI_EXECUTE_TYPE Type, |
||
820 | ACPI_OSD_EXEC_CALLBACK Function, |
||
821 | void *Context) |
||
822 | { |
||
823 | pthread_t thread; |
||
824 | int ret; |
||
825 | |||
826 | |||
827 | ret = pthread_create (&thread, NULL, (PTHREAD_CALLBACK) Function, Context); |
||
828 | if (ret) |
||
829 | { |
||
830 | AcpiOsPrintf("Create thread failed"); |
||
831 | } |
||
832 | return (0); |
||
833 | } |
||
834 | |||
835 | |||
836 | /****************************************************************************** |
||
837 | * |
||
838 | * FUNCTION: AcpiOsStall |
||
839 | * |
||
840 | * PARAMETERS: microseconds To sleep |
||
841 | * |
||
842 | * RETURN: Blocks until sleep is completed. |
||
843 | * |
||
844 | * DESCRIPTION: Sleep at microsecond granularity |
||
845 | * |
||
846 | *****************************************************************************/ |
||
847 | |||
848 | void |
||
849 | AcpiOsStall ( |
||
850 | UINT32 microseconds) |
||
851 | { |
||
852 | |||
853 | if (microseconds) |
||
854 | { |
||
855 | usleep (microseconds); |
||
856 | } |
||
857 | } |
||
858 | |||
859 | |||
860 | /****************************************************************************** |
||
861 | * |
||
862 | * FUNCTION: AcpiOsSleep |
||
863 | * |
||
864 | * PARAMETERS: milliseconds To sleep |
||
865 | * |
||
866 | * RETURN: Blocks until sleep is completed. |
||
867 | * |
||
868 | * DESCRIPTION: Sleep at millisecond granularity |
||
869 | * |
||
870 | *****************************************************************************/ |
||
871 | |||
872 | void |
||
873 | AcpiOsSleep ( |
||
874 | UINT64 milliseconds) |
||
875 | { |
||
876 | |||
877 | sleep (milliseconds / 1000); /* Sleep for whole seconds */ |
||
878 | |||
879 | /* |
||
880 | * Arg to usleep() must be less than 1,000,000 (1 second) |
||
881 | */ |
||
882 | usleep ((milliseconds % 1000) * 1000); /* Sleep for remaining usecs */ |
||
883 | } |
||
884 | |||
885 | /****************************************************************************** |
||
886 | * |
||
887 | * FUNCTION: AcpiOsGetTimer |
||
888 | * |
||
889 | * PARAMETERS: None |
||
890 | * |
||
891 | * RETURN: Current time in 100 nanosecond units |
||
892 | * |
||
893 | * DESCRIPTION: Get the current system time |
||
894 | * |
||
895 | *****************************************************************************/ |
||
896 | |||
897 | UINT64 |
||
898 | AcpiOsGetTimer (void) |
||
899 | { |
||
900 | struct timeval time; |
||
901 | |||
902 | |||
903 | gettimeofday (&time, NULL); |
||
904 | |||
905 | /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */ |
||
906 | |||
907 | return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10)); |
||
908 | } |
||
909 | |||
910 | |||
911 | /****************************************************************************** |
||
912 | * |
||
913 | * FUNCTION: AcpiOsValidateInterface |
||
914 | * |
||
915 | * PARAMETERS: Interface - Requested interface to be validated |
||
916 | * |
||
917 | * RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise |
||
918 | * |
||
919 | * DESCRIPTION: Match an interface string to the interfaces supported by the |
||
920 | * host. Strings originate from an AML call to the _OSI method. |
||
921 | * |
||
922 | *****************************************************************************/ |
||
923 | |||
924 | ACPI_STATUS |
||
925 | AcpiOsValidateInterface ( |
||
926 | char *Interface) |
||
927 | { |
||
928 | |||
929 | return (AE_SUPPORT); |
||
930 | } |
||
931 | |||
932 | |||
933 | /****************************************************************************** |
||
934 | * |
||
935 | * FUNCTION: AcpiOsReadPciConfiguration |
||
936 | * |
||
937 | * PARAMETERS: PciId Seg/Bus/Dev |
||
938 | * Register Device Register |
||
939 | * Value Buffer where value is placed |
||
940 | * Width Number of bits |
||
941 | * |
||
942 | * RETURN: Status |
||
943 | * |
||
944 | * DESCRIPTION: Read data from PCI configuration space |
||
945 | * |
||
946 | *****************************************************************************/ |
||
947 | |||
948 | ACPI_STATUS |
||
949 | AcpiOsReadPciConfiguration ( |
||
950 | ACPI_PCI_ID *PciId, |
||
951 | UINT32 Register, |
||
952 | void *Value, |
||
953 | UINT32 Width) |
||
954 | { |
||
955 | |||
956 | return (AE_OK); |
||
957 | } |
||
958 | |||
959 | |||
960 | /****************************************************************************** |
||
961 | * |
||
962 | * FUNCTION: AcpiOsWritePciConfiguration |
||
963 | * |
||
964 | * PARAMETERS: PciId Seg/Bus/Dev |
||
965 | * Register Device Register |
||
966 | * Value Value to be written |
||
967 | * Width Number of bits |
||
968 | * |
||
969 | * RETURN: Status. |
||
970 | * |
||
971 | * DESCRIPTION: Write data to PCI configuration space |
||
972 | * |
||
973 | *****************************************************************************/ |
||
974 | |||
975 | ACPI_STATUS |
||
976 | AcpiOsWritePciConfiguration ( |
||
977 | ACPI_PCI_ID *PciId, |
||
978 | UINT32 Register, |
||
979 | UINT64 Value, |
||
980 | UINT32 Width) |
||
981 | { |
||
982 | |||
983 | return (AE_OK); |
||
984 | } |
||
985 | |||
986 | /* TEMPORARY STUB FUNCTION */ |
||
987 | void |
||
988 | AcpiOsDerivePciId( |
||
989 | ACPI_HANDLE Device, |
||
990 | ACPI_HANDLE Region, |
||
991 | ACPI_PCI_ID **PciId) |
||
992 | { |
||
993 | |||
994 | } |
||
995 | |||
996 | |||
997 | /****************************************************************************** |
||
998 | * |
||
999 | * FUNCTION: AcpiOsReadPort |
||
1000 | * |
||
1001 | * PARAMETERS: Address Address of I/O port/register to read |
||
1002 | * Value Where value is placed |
||
1003 | * Width Number of bits |
||
1004 | * |
||
1005 | * RETURN: Value read from port |
||
1006 | * |
||
1007 | * DESCRIPTION: Read data from an I/O port or register |
||
1008 | * |
||
1009 | *****************************************************************************/ |
||
1010 | |||
1011 | ACPI_STATUS |
||
1012 | AcpiOsReadPort ( |
||
1013 | ACPI_IO_ADDRESS Address, |
||
1014 | UINT32 *Value, |
||
1015 | UINT32 Width) |
||
1016 | { |
||
1017 | |||
1018 | switch (Width) |
||
1019 | { |
||
1020 | case 8: |
||
1021 | *Value = 0xFF; |
||
1022 | break; |
||
1023 | |||
1024 | case 16: |
||
1025 | *Value = 0xFFFF; |
||
1026 | break; |
||
1027 | |||
1028 | case 32: |
||
1029 | *Value = 0xFFFFFFFF; |
||
1030 | break; |
||
1031 | |||
1032 | default: |
||
1033 | return (AE_BAD_PARAMETER); |
||
1034 | } |
||
1035 | |||
1036 | return (AE_OK); |
||
1037 | } |
||
1038 | |||
1039 | |||
1040 | /****************************************************************************** |
||
1041 | * |
||
1042 | * FUNCTION: AcpiOsWritePort |
||
1043 | * |
||
1044 | * PARAMETERS: Address Address of I/O port/register to write |
||
1045 | * Value Value to write |
||
1046 | * Width Number of bits |
||
1047 | * |
||
1048 | * RETURN: None |
||
1049 | * |
||
1050 | * DESCRIPTION: Write data to an I/O port or register |
||
1051 | * |
||
1052 | *****************************************************************************/ |
||
1053 | |||
1054 | ACPI_STATUS |
||
1055 | AcpiOsWritePort ( |
||
1056 | ACPI_IO_ADDRESS Address, |
||
1057 | UINT32 Value, |
||
1058 | UINT32 Width) |
||
1059 | { |
||
1060 | |||
1061 | return (AE_OK); |
||
1062 | } |
||
1063 | |||
1064 | |||
1065 | /****************************************************************************** |
||
1066 | * |
||
1067 | * FUNCTION: AcpiOsReadMemory |
||
1068 | * |
||
1069 | * PARAMETERS: Address Physical Memory Address to read |
||
1070 | * Value Where value is placed |
||
1071 | * Width Number of bits |
||
1072 | * |
||
1073 | * RETURN: Value read from physical memory address |
||
1074 | * |
||
1075 | * DESCRIPTION: Read data from a physical memory address |
||
1076 | * |
||
1077 | *****************************************************************************/ |
||
1078 | |||
1079 | ACPI_STATUS |
||
1080 | AcpiOsReadMemory ( |
||
1081 | ACPI_PHYSICAL_ADDRESS Address, |
||
1082 | UINT32 *Value, |
||
1083 | UINT32 Width) |
||
1084 | { |
||
1085 | |||
1086 | switch (Width) |
||
1087 | { |
||
1088 | case 8: |
||
1089 | case 16: |
||
1090 | case 32: |
||
1091 | *Value = 0; |
||
1092 | break; |
||
1093 | |||
1094 | default: |
||
1095 | return (AE_BAD_PARAMETER); |
||
1096 | } |
||
1097 | return (AE_OK); |
||
1098 | } |
||
1099 | |||
1100 | |||
1101 | /****************************************************************************** |
||
1102 | * |
||
1103 | * FUNCTION: AcpiOsWriteMemory |
||
1104 | * |
||
1105 | * PARAMETERS: Address Physical Memory Address to write |
||
1106 | * Value Value to write |
||
1107 | * Width Number of bits |
||
1108 | * |
||
1109 | * RETURN: None |
||
1110 | * |
||
1111 | * DESCRIPTION: Write data to a physical memory address |
||
1112 | * |
||
1113 | *****************************************************************************/ |
||
1114 | |||
1115 | ACPI_STATUS |
||
1116 | AcpiOsWriteMemory ( |
||
1117 | ACPI_PHYSICAL_ADDRESS Address, |
||
1118 | UINT32 Value, |
||
1119 | UINT32 Width) |
||
1120 | { |
||
1121 | |||
1122 | return (AE_OK); |
||
1123 | } |
||
1124 | |||
1125 | |||
1126 | /****************************************************************************** |
||
1127 | * |
||
1128 | * FUNCTION: AcpiOsReadable |
||
1129 | * |
||
1130 | * PARAMETERS: Pointer - Area to be verified |
||
1131 | * Length - Size of area |
||
1132 | * |
||
1133 | * RETURN: TRUE if readable for entire length |
||
1134 | * |
||
1135 | * DESCRIPTION: Verify that a pointer is valid for reading |
||
1136 | * |
||
1137 | *****************************************************************************/ |
||
1138 | |||
1139 | BOOLEAN |
||
1140 | AcpiOsReadable ( |
||
1141 | void *Pointer, |
||
1142 | ACPI_SIZE Length) |
||
1143 | { |
||
1144 | |||
1145 | return (TRUE); |
||
1146 | } |
||
1147 | |||
1148 | |||
1149 | /****************************************************************************** |
||
1150 | * |
||
1151 | * FUNCTION: AcpiOsWritable |
||
1152 | * |
||
1153 | * PARAMETERS: Pointer - Area to be verified |
||
1154 | * Length - Size of area |
||
1155 | * |
||
1156 | * RETURN: TRUE if writable for entire length |
||
1157 | * |
||
1158 | * DESCRIPTION: Verify that a pointer is valid for writing |
||
1159 | * |
||
1160 | *****************************************************************************/ |
||
1161 | |||
1162 | BOOLEAN |
||
1163 | AcpiOsWritable ( |
||
1164 | void *Pointer, |
||
1165 | ACPI_SIZE Length) |
||
1166 | { |
||
1167 | |||
1168 | return (TRUE); |
||
1169 | } |
||
1170 | |||
1171 | |||
1172 | /****************************************************************************** |
||
1173 | * |
||
1174 | * FUNCTION: AcpiOsGetThreadId |
||
1175 | * |
||
1176 | * PARAMETERS: None |
||
1177 | * |
||
1178 | * RETURN: Id of the running thread |
||
1179 | * |
||
1180 | * DESCRIPTION: Get the Id of the current (running) thread |
||
1181 | * |
||
1182 | * NOTE: The environment header should contain this line: |
||
1183 | * #define ACPI_THREAD_ID pthread_t |
||
1184 | * |
||
1185 | *****************************************************************************/ |
||
1186 | |||
1187 | ACPI_THREAD_ID |
||
1188 | AcpiOsGetThreadId (void) |
||
1189 | { |
||
1190 | |||
1191 | return (pthread_self ()); |
||
1192 | } |
||
1193 | |||
1194 | |||
1195 | /****************************************************************************** |
||
1196 | * |
||
1197 | * FUNCTION: AcpiOsSignal |
||
1198 | * |
||
1199 | * PARAMETERS: Function ACPI CA signal function code |
||
1200 | * Info Pointer to function-dependent structure |
||
1201 | * |
||
1202 | * RETURN: Status |
||
1203 | * |
||
1204 | * DESCRIPTION: Miscellaneous functions. Example implementation only. |
||
1205 | * |
||
1206 | *****************************************************************************/ |
||
1207 | |||
1208 | ACPI_STATUS |
||
1209 | AcpiOsSignal ( |
||
1210 | UINT32 Function, |
||
1211 | void *Info) |
||
1212 | { |
||
1213 | |||
1214 | switch (Function) |
||
1215 | { |
||
1216 | case ACPI_SIGNAL_FATAL: |
||
1217 | break; |
||
1218 | |||
1219 | case ACPI_SIGNAL_BREAKPOINT: |
||
1220 | break; |
||
1221 | |||
1222 | default: |
||
1223 | break; |
||
1224 | } |
||
1225 | |||
1226 | return (AE_OK); |
||
1227 | } |
||
1228 |