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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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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 | |||
117 | /* |
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2216 | Serge | 118 | * These interfaces are required in order to compile the ASL compiler and the |
119 | * various ACPICA tools under Linux or other Unix-like system. |
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120 | * |
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121 | * Note: Use #define __APPLE__ for OS X generation. |
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1498 | serge | 122 | */ |
2216 | Serge | 123 | #include "acpi.h" |
124 | #include "accommon.h" |
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125 | #include "amlcode.h" |
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126 | #include "acparser.h" |
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127 | #include "acdebug.h" |
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1498 | serge | 128 | |
129 | #include |
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130 | #include |
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131 | #include |
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132 | #include |
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133 | #include |
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134 | #include |
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135 | #include |
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2216 | Serge | 136 | #include |
1498 | serge | 137 | |
138 | #define _COMPONENT ACPI_OS_SERVICES |
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139 | ACPI_MODULE_NAME ("osunixxf") |
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140 | |||
141 | |||
142 | extern FILE *AcpiGbl_DebugFile; |
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143 | FILE *AcpiGbl_OutputFile; |
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144 | |||
145 | |||
146 | /* Upcalls to AcpiExec */ |
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147 | |||
148 | ACPI_PHYSICAL_ADDRESS |
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149 | AeLocalGetRootPointer ( |
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150 | void); |
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151 | |||
152 | void |
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153 | AeTableOverride ( |
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154 | ACPI_TABLE_HEADER *ExistingTable, |
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155 | ACPI_TABLE_HEADER **NewTable); |
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156 | |||
157 | typedef void* (*PTHREAD_CALLBACK) (void *); |
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158 | |||
2216 | Serge | 159 | /* Apple-specific */ |
1498 | serge | 160 | |
2216 | Serge | 161 | #ifdef __APPLE__ |
162 | #define sem_destroy sem_close |
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163 | #endif |
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164 | |||
165 | |||
1498 | serge | 166 | /****************************************************************************** |
167 | * |
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168 | * FUNCTION: AcpiOsInitialize, AcpiOsTerminate |
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169 | * |
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170 | * PARAMETERS: None |
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171 | * |
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172 | * RETURN: Status |
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173 | * |
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174 | * DESCRIPTION: Init and terminate. Nothing to do. |
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175 | * |
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176 | *****************************************************************************/ |
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177 | |||
178 | ACPI_STATUS |
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179 | AcpiOsInitialize (void) |
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180 | { |
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181 | |||
182 | AcpiGbl_OutputFile = stdout; |
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183 | return (AE_OK); |
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184 | } |
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185 | |||
186 | |||
187 | ACPI_STATUS |
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188 | AcpiOsTerminate (void) |
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189 | { |
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190 | |||
191 | return (AE_OK); |
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192 | } |
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193 | |||
194 | |||
195 | /****************************************************************************** |
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196 | * |
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197 | * FUNCTION: AcpiOsGetRootPointer |
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198 | * |
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199 | * PARAMETERS: None |
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200 | * |
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201 | * RETURN: RSDP physical address |
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202 | * |
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2216 | Serge | 203 | * DESCRIPTION: Gets the ACPI root pointer (RSDP) |
1498 | serge | 204 | * |
205 | *****************************************************************************/ |
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206 | |||
207 | ACPI_PHYSICAL_ADDRESS |
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208 | AcpiOsGetRootPointer ( |
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209 | void) |
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210 | { |
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211 | |||
212 | return (AeLocalGetRootPointer ()); |
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213 | } |
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214 | |||
215 | |||
216 | /****************************************************************************** |
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217 | * |
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218 | * FUNCTION: AcpiOsPredefinedOverride |
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219 | * |
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220 | * PARAMETERS: InitVal - Initial value of the predefined object |
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221 | * NewVal - The new value for the object |
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222 | * |
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223 | * RETURN: Status, pointer to value. Null pointer returned if not |
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224 | * overriding. |
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225 | * |
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226 | * DESCRIPTION: Allow the OS to override predefined names |
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227 | * |
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228 | *****************************************************************************/ |
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229 | |||
230 | ACPI_STATUS |
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231 | AcpiOsPredefinedOverride ( |
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232 | const ACPI_PREDEFINED_NAMES *InitVal, |
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233 | ACPI_STRING *NewVal) |
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234 | { |
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235 | |||
236 | if (!InitVal || !NewVal) |
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237 | { |
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238 | return (AE_BAD_PARAMETER); |
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239 | } |
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240 | |||
241 | *NewVal = NULL; |
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242 | return (AE_OK); |
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243 | } |
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244 | |||
245 | |||
246 | /****************************************************************************** |
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247 | * |
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248 | * FUNCTION: AcpiOsTableOverride |
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249 | * |
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2216 | Serge | 250 | * PARAMETERS: ExistingTable - Header of current table (probably |
251 | * firmware) |
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1498 | serge | 252 | * NewTable - Where an entire new table is returned. |
253 | * |
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254 | * RETURN: Status, pointer to new table. Null pointer returned if no |
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255 | * table is available to override |
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256 | * |
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257 | * DESCRIPTION: Return a different version of a table if one is available |
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258 | * |
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259 | *****************************************************************************/ |
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260 | |||
261 | ACPI_STATUS |
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262 | AcpiOsTableOverride ( |
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263 | ACPI_TABLE_HEADER *ExistingTable, |
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264 | ACPI_TABLE_HEADER **NewTable) |
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265 | { |
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266 | |||
267 | if (!ExistingTable || !NewTable) |
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268 | { |
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269 | return (AE_BAD_PARAMETER); |
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270 | } |
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271 | |||
272 | *NewTable = NULL; |
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273 | |||
274 | #ifdef ACPI_EXEC_APP |
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275 | |||
276 | AeTableOverride (ExistingTable, NewTable); |
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277 | return (AE_OK); |
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278 | #else |
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279 | |||
280 | return (AE_NO_ACPI_TABLES); |
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281 | #endif |
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282 | } |
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283 | |||
284 | |||
285 | /****************************************************************************** |
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286 | * |
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287 | * FUNCTION: AcpiOsRedirectOutput |
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288 | * |
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289 | * PARAMETERS: Destination - An open file handle/pointer |
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290 | * |
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291 | * RETURN: None |
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292 | * |
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293 | * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf |
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294 | * |
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295 | *****************************************************************************/ |
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296 | |||
297 | void |
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298 | AcpiOsRedirectOutput ( |
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299 | void *Destination) |
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300 | { |
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301 | |||
302 | AcpiGbl_OutputFile = Destination; |
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303 | } |
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304 | |||
305 | |||
306 | /****************************************************************************** |
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307 | * |
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308 | * FUNCTION: AcpiOsPrintf |
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309 | * |
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2216 | Serge | 310 | * PARAMETERS: fmt, ... - Standard printf format |
1498 | serge | 311 | * |
312 | * RETURN: None |
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313 | * |
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314 | * DESCRIPTION: Formatted output |
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315 | * |
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316 | *****************************************************************************/ |
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317 | |||
318 | void ACPI_INTERNAL_VAR_XFACE |
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319 | AcpiOsPrintf ( |
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320 | const char *Fmt, |
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321 | ...) |
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322 | { |
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323 | va_list Args; |
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324 | |||
325 | |||
326 | va_start (Args, Fmt); |
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327 | AcpiOsVprintf (Fmt, Args); |
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328 | va_end (Args); |
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329 | } |
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330 | |||
331 | |||
332 | /****************************************************************************** |
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333 | * |
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334 | * FUNCTION: AcpiOsVprintf |
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335 | * |
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2216 | Serge | 336 | * PARAMETERS: fmt - Standard printf format |
337 | * args - Argument list |
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1498 | serge | 338 | * |
339 | * RETURN: None |
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340 | * |
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341 | * DESCRIPTION: Formatted output with argument list pointer |
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342 | * |
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343 | *****************************************************************************/ |
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344 | |||
345 | void |
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346 | AcpiOsVprintf ( |
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347 | const char *Fmt, |
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348 | va_list Args) |
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349 | { |
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350 | INT32 Count = 0; |
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351 | UINT8 Flags; |
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352 | |||
353 | |||
354 | Flags = AcpiGbl_DbOutputFlags; |
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355 | if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT) |
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356 | { |
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357 | /* Output is directable to either a file (if open) or the console */ |
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358 | |||
359 | if (AcpiGbl_DebugFile) |
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360 | { |
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361 | /* Output file is open, send the output there */ |
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362 | |||
363 | Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args); |
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364 | } |
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365 | else |
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366 | { |
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367 | /* No redirection, send output to console (once only!) */ |
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368 | |||
369 | Flags |= ACPI_DB_CONSOLE_OUTPUT; |
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370 | } |
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371 | } |
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372 | |||
373 | if (Flags & ACPI_DB_CONSOLE_OUTPUT) |
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374 | { |
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375 | Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args); |
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376 | } |
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377 | } |
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378 | |||
379 | |||
380 | /****************************************************************************** |
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381 | * |
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382 | * FUNCTION: AcpiOsGetLine |
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383 | * |
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2216 | Serge | 384 | * PARAMETERS: Buffer - Where to return the command line |
385 | * BufferLength - Maximum length of Buffer |
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386 | * BytesRead - Where the actual byte count is returned |
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1498 | serge | 387 | * |
2216 | Serge | 388 | * RETURN: Status and actual bytes read |
1498 | serge | 389 | * |
390 | * DESCRIPTION: Formatted input with argument list pointer |
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391 | * |
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392 | *****************************************************************************/ |
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393 | |||
2216 | Serge | 394 | ACPI_STATUS |
1498 | serge | 395 | AcpiOsGetLine ( |
2216 | Serge | 396 | char *Buffer, |
397 | UINT32 BufferLength, |
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398 | UINT32 *BytesRead) |
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1498 | serge | 399 | { |
400 | UINT8 Temp; |
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401 | UINT32 i; |
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402 | |||
403 | |||
404 | for (i = 0; ; i++) |
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405 | { |
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2216 | Serge | 406 | if (i >= BufferLength) |
407 | { |
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408 | return (AE_BUFFER_OVERFLOW); |
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409 | } |
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410 | |||
1498 | serge | 411 | scanf ("%1c", &Temp); |
412 | if (!Temp || Temp == '\n') |
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413 | { |
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414 | break; |
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415 | } |
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416 | |||
417 | Buffer [i] = Temp; |
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418 | } |
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419 | |||
420 | /* Null terminate the buffer */ |
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421 | |||
422 | Buffer [i] = 0; |
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423 | |||
424 | /* Return the number of bytes in the string */ |
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425 | |||
2216 | Serge | 426 | if (BytesRead) |
427 | { |
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428 | *BytesRead = i; |
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429 | } |
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430 | return (AE_OK); |
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1498 | serge | 431 | } |
432 | |||
2216 | Serge | 433 | |
1498 | serge | 434 | /****************************************************************************** |
435 | * |
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436 | * FUNCTION: AcpiOsMapMemory |
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437 | * |
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2216 | Serge | 438 | * PARAMETERS: where - Physical address of memory to be mapped |
439 | * length - How much memory to map |
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1498 | serge | 440 | * |
441 | * RETURN: Pointer to mapped memory. Null on error. |
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442 | * |
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443 | * DESCRIPTION: Map physical memory into caller's address space |
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444 | * |
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445 | *****************************************************************************/ |
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446 | |||
447 | void * |
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448 | AcpiOsMapMemory ( |
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449 | ACPI_PHYSICAL_ADDRESS where, |
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450 | ACPI_SIZE length) |
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451 | { |
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452 | |||
453 | return (ACPI_TO_POINTER ((ACPI_SIZE) where)); |
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454 | } |
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455 | |||
456 | |||
457 | /****************************************************************************** |
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458 | * |
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459 | * FUNCTION: AcpiOsUnmapMemory |
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460 | * |
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2216 | Serge | 461 | * PARAMETERS: where - Logical address of memory to be unmapped |
462 | * length - How much memory to unmap |
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1498 | serge | 463 | * |
464 | * RETURN: None. |
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465 | * |
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466 | * DESCRIPTION: Delete a previously created mapping. Where and Length must |
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467 | * correspond to a previous mapping exactly. |
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468 | * |
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469 | *****************************************************************************/ |
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470 | |||
471 | void |
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472 | AcpiOsUnmapMemory ( |
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473 | void *where, |
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474 | ACPI_SIZE length) |
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475 | { |
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476 | |||
477 | return; |
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478 | } |
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479 | |||
480 | |||
481 | /****************************************************************************** |
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482 | * |
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483 | * FUNCTION: AcpiOsAllocate |
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484 | * |
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2216 | Serge | 485 | * PARAMETERS: Size - Amount to allocate, in bytes |
1498 | serge | 486 | * |
487 | * RETURN: Pointer to the new allocation. Null on error. |
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488 | * |
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489 | * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. |
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490 | * |
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491 | *****************************************************************************/ |
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492 | |||
493 | void * |
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494 | AcpiOsAllocate ( |
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495 | ACPI_SIZE size) |
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496 | { |
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497 | void *Mem; |
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498 | |||
499 | |||
500 | Mem = (void *) malloc ((size_t) size); |
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501 | return (Mem); |
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502 | } |
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503 | |||
504 | |||
505 | /****************************************************************************** |
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506 | * |
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507 | * FUNCTION: AcpiOsFree |
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508 | * |
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2216 | Serge | 509 | * PARAMETERS: mem - Pointer to previously allocated memory |
1498 | serge | 510 | * |
511 | * RETURN: None. |
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512 | * |
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513 | * DESCRIPTION: Free memory allocated via AcpiOsAllocate |
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514 | * |
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515 | *****************************************************************************/ |
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516 | |||
517 | void |
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518 | AcpiOsFree ( |
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519 | void *mem) |
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520 | { |
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521 | |||
522 | free (mem); |
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523 | } |
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524 | |||
525 | |||
526 | /****************************************************************************** |
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527 | * |
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528 | * FUNCTION: AcpiOsCreateSemaphore |
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529 | * |
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530 | * PARAMETERS: InitialUnits - Units to be assigned to the new semaphore |
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531 | * OutHandle - Where a handle will be returned |
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532 | * |
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533 | * RETURN: Status |
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534 | * |
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535 | * DESCRIPTION: Create an OS semaphore |
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536 | * |
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537 | *****************************************************************************/ |
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538 | |||
539 | ACPI_STATUS |
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540 | AcpiOsCreateSemaphore ( |
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541 | UINT32 MaxUnits, |
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542 | UINT32 InitialUnits, |
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543 | ACPI_HANDLE *OutHandle) |
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544 | { |
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545 | sem_t *Sem; |
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546 | |||
547 | |||
548 | if (!OutHandle) |
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549 | { |
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550 | return (AE_BAD_PARAMETER); |
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551 | } |
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552 | |||
553 | Sem = AcpiOsAllocate (sizeof (sem_t)); |
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554 | if (!Sem) |
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555 | { |
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556 | return (AE_NO_MEMORY); |
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557 | } |
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558 | |||
559 | if (sem_init (Sem, 0, InitialUnits) == -1) |
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560 | { |
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561 | AcpiOsFree (Sem); |
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562 | return (AE_BAD_PARAMETER); |
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563 | } |
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564 | |||
565 | *OutHandle = (ACPI_HANDLE) Sem; |
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566 | return (AE_OK); |
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567 | } |
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568 | |||
569 | |||
570 | /****************************************************************************** |
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571 | * |
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572 | * FUNCTION: AcpiOsDeleteSemaphore |
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573 | * |
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574 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
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575 | * |
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576 | * RETURN: Status |
||
577 | * |
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578 | * DESCRIPTION: Delete an OS semaphore |
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579 | * |
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580 | *****************************************************************************/ |
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581 | |||
582 | ACPI_STATUS |
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583 | AcpiOsDeleteSemaphore ( |
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584 | ACPI_HANDLE Handle) |
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585 | { |
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586 | sem_t *Sem = (sem_t *) Handle; |
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587 | |||
588 | |||
589 | if (!Sem) |
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590 | { |
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591 | return (AE_BAD_PARAMETER); |
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592 | } |
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593 | |||
594 | if (sem_destroy (Sem) == -1) |
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595 | { |
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596 | return (AE_BAD_PARAMETER); |
||
597 | } |
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598 | |||
599 | return (AE_OK); |
||
600 | } |
||
601 | |||
602 | |||
603 | /****************************************************************************** |
||
604 | * |
||
605 | * FUNCTION: AcpiOsWaitSemaphore |
||
606 | * |
||
607 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
608 | * Units - How many units to wait for |
||
609 | * Timeout - How long to wait |
||
610 | * |
||
611 | * RETURN: Status |
||
612 | * |
||
613 | * DESCRIPTION: Wait for units |
||
614 | * |
||
615 | *****************************************************************************/ |
||
616 | |||
617 | ACPI_STATUS |
||
618 | AcpiOsWaitSemaphore ( |
||
619 | ACPI_HANDLE Handle, |
||
620 | UINT32 Units, |
||
621 | UINT16 Timeout) |
||
622 | { |
||
623 | ACPI_STATUS Status = AE_OK; |
||
624 | sem_t *Sem = (sem_t *) Handle; |
||
625 | struct timespec T; |
||
626 | |||
627 | |||
628 | if (!Sem) |
||
629 | { |
||
630 | return (AE_BAD_PARAMETER); |
||
631 | } |
||
632 | |||
633 | switch (Timeout) |
||
634 | { |
||
635 | /* |
||
636 | * No Wait: |
||
637 | * -------- |
||
638 | * A zero timeout value indicates that we shouldn't wait - just |
||
639 | * acquire the semaphore if available otherwise return AE_TIME |
||
640 | * (a.k.a. 'would block'). |
||
641 | */ |
||
642 | case 0: |
||
643 | |||
644 | if (sem_trywait(Sem) == -1) |
||
645 | { |
||
646 | Status = (AE_TIME); |
||
647 | } |
||
648 | break; |
||
649 | |||
650 | /* Wait Indefinitely */ |
||
651 | |||
652 | case ACPI_WAIT_FOREVER: |
||
653 | |||
654 | if (sem_wait (Sem)) |
||
655 | { |
||
656 | Status = (AE_TIME); |
||
657 | } |
||
658 | break; |
||
659 | |||
660 | /* Wait with Timeout */ |
||
661 | |||
662 | default: |
||
663 | |||
664 | T.tv_sec = Timeout / 1000; |
||
665 | T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000; |
||
666 | |||
667 | #ifdef ACPI_USE_ALTERNATE_TIMEOUT |
||
668 | /* |
||
669 | * Alternate timeout mechanism for environments where |
||
670 | * sem_timedwait is not available or does not work properly. |
||
671 | */ |
||
672 | while (Timeout) |
||
673 | { |
||
674 | if (sem_trywait (Sem) == 0) |
||
675 | { |
||
676 | /* Got the semaphore */ |
||
677 | return (AE_OK); |
||
678 | } |
||
679 | usleep (1000); /* one millisecond */ |
||
680 | Timeout--; |
||
681 | } |
||
682 | Status = (AE_TIME); |
||
683 | #else |
||
684 | |||
685 | if (sem_timedwait (Sem, &T)) |
||
686 | { |
||
687 | Status = (AE_TIME); |
||
688 | } |
||
689 | #endif |
||
690 | |||
691 | break; |
||
692 | } |
||
693 | |||
694 | return (Status); |
||
695 | } |
||
696 | |||
697 | |||
698 | /****************************************************************************** |
||
699 | * |
||
700 | * FUNCTION: AcpiOsSignalSemaphore |
||
701 | * |
||
702 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
703 | * Units - Number of units to send |
||
704 | * |
||
705 | * RETURN: Status |
||
706 | * |
||
707 | * DESCRIPTION: Send units |
||
708 | * |
||
709 | *****************************************************************************/ |
||
710 | |||
711 | ACPI_STATUS |
||
712 | AcpiOsSignalSemaphore ( |
||
713 | ACPI_HANDLE Handle, |
||
714 | UINT32 Units) |
||
715 | { |
||
716 | sem_t *Sem = (sem_t *)Handle; |
||
717 | |||
718 | |||
719 | if (!Sem) |
||
720 | { |
||
721 | return (AE_BAD_PARAMETER); |
||
722 | } |
||
723 | |||
724 | if (sem_post (Sem) == -1) |
||
725 | { |
||
726 | return (AE_LIMIT); |
||
727 | } |
||
728 | |||
729 | return (AE_OK); |
||
730 | } |
||
731 | |||
732 | |||
733 | /****************************************************************************** |
||
734 | * |
||
735 | * FUNCTION: Spinlock interfaces |
||
736 | * |
||
737 | * DESCRIPTION: Map these interfaces to semaphore interfaces |
||
738 | * |
||
739 | *****************************************************************************/ |
||
740 | |||
741 | ACPI_STATUS |
||
742 | AcpiOsCreateLock ( |
||
743 | ACPI_SPINLOCK *OutHandle) |
||
744 | { |
||
745 | |||
746 | return (AcpiOsCreateSemaphore (1, 1, OutHandle)); |
||
747 | } |
||
748 | |||
749 | |||
750 | void |
||
751 | AcpiOsDeleteLock ( |
||
752 | ACPI_SPINLOCK Handle) |
||
753 | { |
||
754 | AcpiOsDeleteSemaphore (Handle); |
||
755 | } |
||
756 | |||
757 | |||
758 | ACPI_CPU_FLAGS |
||
759 | AcpiOsAcquireLock ( |
||
760 | ACPI_HANDLE Handle) |
||
761 | { |
||
762 | AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); |
||
763 | return (0); |
||
764 | } |
||
765 | |||
766 | |||
767 | void |
||
768 | AcpiOsReleaseLock ( |
||
769 | ACPI_SPINLOCK Handle, |
||
770 | ACPI_CPU_FLAGS Flags) |
||
771 | { |
||
772 | AcpiOsSignalSemaphore (Handle, 1); |
||
773 | } |
||
774 | |||
775 | |||
776 | /****************************************************************************** |
||
777 | * |
||
778 | * FUNCTION: AcpiOsInstallInterruptHandler |
||
779 | * |
||
2216 | Serge | 780 | * PARAMETERS: InterruptNumber - Level handler should respond to. |
781 | * Isr - Address of the ACPI interrupt handler |
||
782 | * ExceptPtr - Where status is returned |
||
1498 | serge | 783 | * |
784 | * RETURN: Handle to the newly installed handler. |
||
785 | * |
||
786 | * DESCRIPTION: Install an interrupt handler. Used to install the ACPI |
||
787 | * OS-independent handler. |
||
788 | * |
||
789 | *****************************************************************************/ |
||
790 | |||
791 | UINT32 |
||
792 | AcpiOsInstallInterruptHandler ( |
||
793 | UINT32 InterruptNumber, |
||
794 | ACPI_OSD_HANDLER ServiceRoutine, |
||
795 | void *Context) |
||
796 | { |
||
797 | |||
798 | return (AE_OK); |
||
799 | } |
||
800 | |||
801 | |||
802 | /****************************************************************************** |
||
803 | * |
||
804 | * FUNCTION: AcpiOsRemoveInterruptHandler |
||
805 | * |
||
2216 | Serge | 806 | * PARAMETERS: Handle - Returned when handler was installed |
1498 | serge | 807 | * |
808 | * RETURN: Status |
||
809 | * |
||
810 | * DESCRIPTION: Uninstalls an interrupt handler. |
||
811 | * |
||
812 | *****************************************************************************/ |
||
813 | |||
814 | ACPI_STATUS |
||
815 | AcpiOsRemoveInterruptHandler ( |
||
816 | UINT32 InterruptNumber, |
||
817 | ACPI_OSD_HANDLER ServiceRoutine) |
||
818 | { |
||
819 | |||
820 | return (AE_OK); |
||
821 | } |
||
822 | |||
823 | |||
824 | /****************************************************************************** |
||
825 | * |
||
826 | * FUNCTION: AcpiOsStall |
||
827 | * |
||
2216 | Serge | 828 | * PARAMETERS: microseconds - Time to sleep |
1498 | serge | 829 | * |
830 | * RETURN: Blocks until sleep is completed. |
||
831 | * |
||
832 | * DESCRIPTION: Sleep at microsecond granularity |
||
833 | * |
||
834 | *****************************************************************************/ |
||
835 | |||
836 | void |
||
837 | AcpiOsStall ( |
||
838 | UINT32 microseconds) |
||
839 | { |
||
840 | |||
841 | if (microseconds) |
||
842 | { |
||
843 | usleep (microseconds); |
||
844 | } |
||
845 | } |
||
846 | |||
847 | |||
848 | /****************************************************************************** |
||
849 | * |
||
850 | * FUNCTION: AcpiOsSleep |
||
851 | * |
||
2216 | Serge | 852 | * PARAMETERS: milliseconds - Time to sleep |
1498 | serge | 853 | * |
854 | * RETURN: Blocks until sleep is completed. |
||
855 | * |
||
856 | * DESCRIPTION: Sleep at millisecond granularity |
||
857 | * |
||
858 | *****************************************************************************/ |
||
859 | |||
860 | void |
||
861 | AcpiOsSleep ( |
||
862 | UINT64 milliseconds) |
||
863 | { |
||
864 | |||
865 | sleep (milliseconds / 1000); /* Sleep for whole seconds */ |
||
866 | |||
867 | /* |
||
868 | * Arg to usleep() must be less than 1,000,000 (1 second) |
||
869 | */ |
||
870 | usleep ((milliseconds % 1000) * 1000); /* Sleep for remaining usecs */ |
||
871 | } |
||
872 | |||
2216 | Serge | 873 | |
1498 | serge | 874 | /****************************************************************************** |
875 | * |
||
876 | * FUNCTION: AcpiOsGetTimer |
||
877 | * |
||
878 | * PARAMETERS: None |
||
879 | * |
||
880 | * RETURN: Current time in 100 nanosecond units |
||
881 | * |
||
882 | * DESCRIPTION: Get the current system time |
||
883 | * |
||
884 | *****************************************************************************/ |
||
885 | |||
886 | UINT64 |
||
2216 | Serge | 887 | AcpiOsGetTimer ( |
888 | void) |
||
1498 | serge | 889 | { |
890 | struct timeval time; |
||
891 | |||
892 | |||
893 | gettimeofday (&time, NULL); |
||
894 | |||
895 | /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */ |
||
896 | |||
897 | return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10)); |
||
898 | } |
||
899 | |||
900 | |||
901 | /****************************************************************************** |
||
902 | * |
||
903 | * FUNCTION: AcpiOsReadPciConfiguration |
||
904 | * |
||
2216 | Serge | 905 | * PARAMETERS: PciId - Seg/Bus/Dev |
906 | * Register - Device Register |
||
907 | * Value - Buffer where value is placed |
||
908 | * Width - Number of bits |
||
1498 | serge | 909 | * |
910 | * RETURN: Status |
||
911 | * |
||
912 | * DESCRIPTION: Read data from PCI configuration space |
||
913 | * |
||
914 | *****************************************************************************/ |
||
915 | |||
916 | ACPI_STATUS |
||
917 | AcpiOsReadPciConfiguration ( |
||
918 | ACPI_PCI_ID *PciId, |
||
919 | UINT32 Register, |
||
2216 | Serge | 920 | UINT64 *Value, |
1498 | serge | 921 | UINT32 Width) |
922 | { |
||
923 | |||
924 | return (AE_OK); |
||
925 | } |
||
926 | |||
927 | |||
928 | /****************************************************************************** |
||
929 | * |
||
930 | * FUNCTION: AcpiOsWritePciConfiguration |
||
931 | * |
||
2216 | Serge | 932 | * PARAMETERS: PciId - Seg/Bus/Dev |
933 | * Register - Device Register |
||
934 | * Value - Value to be written |
||
935 | * Width - Number of bits |
||
1498 | serge | 936 | * |
937 | * RETURN: Status. |
||
938 | * |
||
939 | * DESCRIPTION: Write data to PCI configuration space |
||
940 | * |
||
941 | *****************************************************************************/ |
||
942 | |||
943 | ACPI_STATUS |
||
944 | AcpiOsWritePciConfiguration ( |
||
945 | ACPI_PCI_ID *PciId, |
||
946 | UINT32 Register, |
||
947 | UINT64 Value, |
||
948 | UINT32 Width) |
||
949 | { |
||
950 | |||
951 | return (AE_OK); |
||
952 | } |
||
953 | |||
954 | |||
955 | /****************************************************************************** |
||
956 | * |
||
957 | * FUNCTION: AcpiOsReadPort |
||
958 | * |
||
2216 | Serge | 959 | * PARAMETERS: Address - Address of I/O port/register to read |
960 | * Value - Where value is placed |
||
961 | * Width - Number of bits |
||
1498 | serge | 962 | * |
963 | * RETURN: Value read from port |
||
964 | * |
||
965 | * DESCRIPTION: Read data from an I/O port or register |
||
966 | * |
||
967 | *****************************************************************************/ |
||
968 | |||
969 | ACPI_STATUS |
||
970 | AcpiOsReadPort ( |
||
971 | ACPI_IO_ADDRESS Address, |
||
972 | UINT32 *Value, |
||
973 | UINT32 Width) |
||
974 | { |
||
975 | |||
976 | switch (Width) |
||
977 | { |
||
978 | case 8: |
||
979 | *Value = 0xFF; |
||
980 | break; |
||
981 | |||
982 | case 16: |
||
983 | *Value = 0xFFFF; |
||
984 | break; |
||
985 | |||
986 | case 32: |
||
987 | *Value = 0xFFFFFFFF; |
||
988 | break; |
||
989 | |||
990 | default: |
||
991 | return (AE_BAD_PARAMETER); |
||
992 | } |
||
993 | |||
994 | return (AE_OK); |
||
995 | } |
||
996 | |||
997 | |||
998 | /****************************************************************************** |
||
999 | * |
||
1000 | * FUNCTION: AcpiOsWritePort |
||
1001 | * |
||
2216 | Serge | 1002 | * PARAMETERS: Address - Address of I/O port/register to write |
1003 | * Value - Value to write |
||
1004 | * Width - Number of bits |
||
1498 | serge | 1005 | * |
1006 | * RETURN: None |
||
1007 | * |
||
1008 | * DESCRIPTION: Write data to an I/O port or register |
||
1009 | * |
||
1010 | *****************************************************************************/ |
||
1011 | |||
1012 | ACPI_STATUS |
||
1013 | AcpiOsWritePort ( |
||
1014 | ACPI_IO_ADDRESS Address, |
||
1015 | UINT32 Value, |
||
1016 | UINT32 Width) |
||
1017 | { |
||
1018 | |||
1019 | return (AE_OK); |
||
1020 | } |
||
1021 | |||
1022 | |||
1023 | /****************************************************************************** |
||
1024 | * |
||
1025 | * FUNCTION: AcpiOsReadMemory |
||
1026 | * |
||
2216 | Serge | 1027 | * PARAMETERS: Address - Physical Memory Address to read |
1028 | * Value - Where value is placed |
||
1029 | * Width - Number of bits |
||
1498 | serge | 1030 | * |
1031 | * RETURN: Value read from physical memory address |
||
1032 | * |
||
1033 | * DESCRIPTION: Read data from a physical memory address |
||
1034 | * |
||
1035 | *****************************************************************************/ |
||
1036 | |||
1037 | ACPI_STATUS |
||
1038 | AcpiOsReadMemory ( |
||
1039 | ACPI_PHYSICAL_ADDRESS Address, |
||
1040 | UINT32 *Value, |
||
1041 | UINT32 Width) |
||
1042 | { |
||
1043 | |||
1044 | switch (Width) |
||
1045 | { |
||
1046 | case 8: |
||
1047 | case 16: |
||
1048 | case 32: |
||
1049 | *Value = 0; |
||
1050 | break; |
||
1051 | |||
1052 | default: |
||
1053 | return (AE_BAD_PARAMETER); |
||
1054 | } |
||
1055 | return (AE_OK); |
||
1056 | } |
||
1057 | |||
1058 | |||
1059 | /****************************************************************************** |
||
1060 | * |
||
1061 | * FUNCTION: AcpiOsWriteMemory |
||
1062 | * |
||
2216 | Serge | 1063 | * PARAMETERS: Address - Physical Memory Address to write |
1064 | * Value - Value to write |
||
1065 | * Width - Number of bits |
||
1498 | serge | 1066 | * |
1067 | * RETURN: None |
||
1068 | * |
||
1069 | * DESCRIPTION: Write data to a physical memory address |
||
1070 | * |
||
1071 | *****************************************************************************/ |
||
1072 | |||
1073 | ACPI_STATUS |
||
1074 | AcpiOsWriteMemory ( |
||
1075 | ACPI_PHYSICAL_ADDRESS Address, |
||
1076 | UINT32 Value, |
||
1077 | UINT32 Width) |
||
1078 | { |
||
1079 | |||
1080 | return (AE_OK); |
||
1081 | } |
||
1082 | |||
1083 | |||
1084 | /****************************************************************************** |
||
1085 | * |
||
1086 | * FUNCTION: AcpiOsReadable |
||
1087 | * |
||
1088 | * PARAMETERS: Pointer - Area to be verified |
||
1089 | * Length - Size of area |
||
1090 | * |
||
1091 | * RETURN: TRUE if readable for entire length |
||
1092 | * |
||
1093 | * DESCRIPTION: Verify that a pointer is valid for reading |
||
1094 | * |
||
1095 | *****************************************************************************/ |
||
1096 | |||
1097 | BOOLEAN |
||
1098 | AcpiOsReadable ( |
||
1099 | void *Pointer, |
||
1100 | ACPI_SIZE Length) |
||
1101 | { |
||
1102 | |||
1103 | return (TRUE); |
||
1104 | } |
||
1105 | |||
1106 | |||
1107 | /****************************************************************************** |
||
1108 | * |
||
1109 | * FUNCTION: AcpiOsWritable |
||
1110 | * |
||
1111 | * PARAMETERS: Pointer - Area to be verified |
||
1112 | * Length - Size of area |
||
1113 | * |
||
1114 | * RETURN: TRUE if writable for entire length |
||
1115 | * |
||
1116 | * DESCRIPTION: Verify that a pointer is valid for writing |
||
1117 | * |
||
1118 | *****************************************************************************/ |
||
1119 | |||
1120 | BOOLEAN |
||
1121 | AcpiOsWritable ( |
||
1122 | void *Pointer, |
||
1123 | ACPI_SIZE Length) |
||
1124 | { |
||
1125 | |||
1126 | return (TRUE); |
||
1127 | } |
||
1128 | |||
1129 | |||
1130 | /****************************************************************************** |
||
1131 | * |
||
1132 | * FUNCTION: AcpiOsSignal |
||
1133 | * |
||
2216 | Serge | 1134 | * PARAMETERS: Function - ACPI CA signal function code |
1135 | * Info - Pointer to function-dependent structure |
||
1498 | serge | 1136 | * |
1137 | * RETURN: Status |
||
1138 | * |
||
1139 | * DESCRIPTION: Miscellaneous functions. Example implementation only. |
||
1140 | * |
||
1141 | *****************************************************************************/ |
||
1142 | |||
1143 | ACPI_STATUS |
||
1144 | AcpiOsSignal ( |
||
1145 | UINT32 Function, |
||
1146 | void *Info) |
||
1147 | { |
||
1148 | |||
1149 | switch (Function) |
||
1150 | { |
||
1151 | case ACPI_SIGNAL_FATAL: |
||
1152 | break; |
||
1153 | |||
1154 | case ACPI_SIGNAL_BREAKPOINT: |
||
1155 | break; |
||
1156 | |||
1157 | default: |
||
1158 | break; |
||
1159 | } |
||
1160 | |||
1161 | return (AE_OK); |
||
1162 | } |
||
1163 |