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Rev | Author | Line No. | Line |
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1498 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: oswinxf - Windows OSL |
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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 | |||
2216 | Serge | 116 | #include "acpi.h" |
117 | #include "accommon.h" |
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1498 | serge | 118 | |
119 | #ifdef WIN32 |
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120 | #pragma warning(disable:4115) /* warning C4115: named type definition in parentheses (caused by rpcasync.h> */ |
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121 | |||
122 | #include |
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123 | #include |
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124 | |||
125 | #elif WIN64 |
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126 | #include |
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127 | #endif |
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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 | |||
135 | #define _COMPONENT ACPI_OS_SERVICES |
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136 | ACPI_MODULE_NAME ("oswinxf") |
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137 | |||
138 | |||
2216 | Serge | 139 | extern FILE *AcpiGbl_DebugFile; |
140 | extern BOOLEAN AcpiGbl_DebugTimeout; |
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1498 | serge | 141 | |
2216 | Serge | 142 | FILE *AcpiGbl_OutputFile; |
143 | UINT64 TimerFrequency; |
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144 | char TableName[ACPI_NAME_SIZE + 1]; |
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1498 | serge | 145 | |
2216 | Serge | 146 | #define ACPI_OS_DEBUG_TIMEOUT 30000 /* 30 seconds */ |
1498 | serge | 147 | |
148 | |||
2216 | Serge | 149 | /* Upcalls to application */ |
1498 | serge | 150 | |
151 | ACPI_PHYSICAL_ADDRESS |
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152 | AeLocalGetRootPointer ( |
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153 | void); |
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154 | |||
155 | void |
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156 | AeTableOverride ( |
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157 | ACPI_TABLE_HEADER *ExistingTable, |
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158 | ACPI_TABLE_HEADER **NewTable); |
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159 | |||
160 | ACPI_TABLE_HEADER * |
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161 | OsGetTable ( |
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162 | char *Signature); |
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163 | |||
164 | |||
2216 | Serge | 165 | /* |
166 | * Real semaphores are only used for a multi-threaded application |
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167 | */ |
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168 | #ifndef ACPI_SINGLE_THREADED |
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1498 | serge | 169 | |
2216 | Serge | 170 | /* Semaphore information structure */ |
1498 | serge | 171 | |
2216 | Serge | 172 | typedef struct acpi_os_semaphore_info |
173 | { |
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174 | UINT16 MaxUnits; |
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175 | UINT16 CurrentUnits; |
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176 | void *OsHandle; |
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1498 | serge | 177 | |
2216 | Serge | 178 | } ACPI_OS_SEMAPHORE_INFO; |
1498 | serge | 179 | |
2216 | Serge | 180 | /* Need enough semaphores to run the large aslts suite */ |
181 | |||
182 | #define ACPI_OS_MAX_SEMAPHORES 256 |
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183 | |||
184 | ACPI_OS_SEMAPHORE_INFO AcpiGbl_Semaphores[ACPI_OS_MAX_SEMAPHORES]; |
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185 | |||
186 | #endif /* ACPI_SINGLE_THREADED */ |
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187 | |||
188 | |||
1498 | serge | 189 | /****************************************************************************** |
190 | * |
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191 | * FUNCTION: AcpiOsTerminate |
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192 | * |
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193 | * PARAMETERS: None |
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194 | * |
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2216 | Serge | 195 | * RETURN: Status |
1498 | serge | 196 | * |
197 | * DESCRIPTION: Nothing to do for windows |
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198 | * |
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199 | *****************************************************************************/ |
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200 | |||
201 | ACPI_STATUS |
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2216 | Serge | 202 | AcpiOsTerminate ( |
203 | void) |
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1498 | serge | 204 | { |
2216 | Serge | 205 | return (AE_OK); |
1498 | serge | 206 | } |
207 | |||
208 | |||
209 | /****************************************************************************** |
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210 | * |
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211 | * FUNCTION: AcpiOsInitialize |
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212 | * |
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213 | * PARAMETERS: None |
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214 | * |
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215 | * RETURN: Status |
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216 | * |
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217 | * DESCRIPTION: Init this OSL |
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218 | * |
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219 | *****************************************************************************/ |
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220 | |||
221 | ACPI_STATUS |
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2216 | Serge | 222 | AcpiOsInitialize ( |
223 | void) |
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1498 | serge | 224 | { |
225 | LARGE_INTEGER LocalTimerFrequency; |
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226 | |||
227 | |||
2216 | Serge | 228 | #ifndef ACPI_SINGLE_THREADED |
1498 | serge | 229 | /* Clear the semaphore info array */ |
230 | |||
231 | memset (AcpiGbl_Semaphores, 0x00, sizeof (AcpiGbl_Semaphores)); |
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2216 | Serge | 232 | #endif |
1498 | serge | 233 | |
2216 | Serge | 234 | AcpiGbl_OutputFile = stdout; |
235 | |||
1498 | serge | 236 | /* Get the timer frequency for use in AcpiOsGetTimer */ |
237 | |||
238 | TimerFrequency = 0; |
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239 | if (QueryPerformanceFrequency (&LocalTimerFrequency)) |
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240 | { |
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241 | /* Frequency is in ticks per second */ |
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242 | |||
243 | TimerFrequency = LocalTimerFrequency.QuadPart; |
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244 | } |
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245 | |||
2216 | Serge | 246 | return (AE_OK); |
1498 | serge | 247 | } |
248 | |||
249 | |||
250 | /****************************************************************************** |
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251 | * |
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252 | * FUNCTION: AcpiOsGetRootPointer |
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253 | * |
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254 | * PARAMETERS: None |
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255 | * |
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256 | * RETURN: RSDP physical address |
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257 | * |
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258 | * DESCRIPTION: Gets the root pointer (RSDP) |
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259 | * |
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260 | *****************************************************************************/ |
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261 | |||
262 | ACPI_PHYSICAL_ADDRESS |
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263 | AcpiOsGetRootPointer ( |
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264 | void) |
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265 | { |
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266 | |||
267 | return (AeLocalGetRootPointer ()); |
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268 | } |
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269 | |||
270 | |||
271 | /****************************************************************************** |
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272 | * |
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273 | * FUNCTION: AcpiOsPredefinedOverride |
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274 | * |
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2216 | Serge | 275 | * PARAMETERS: InitVal - Initial value of the predefined object |
276 | * NewVal - The new value for the object |
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1498 | serge | 277 | * |
2216 | Serge | 278 | * RETURN: Status, pointer to value. Null pointer returned if not |
1498 | serge | 279 | * overriding. |
280 | * |
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281 | * DESCRIPTION: Allow the OS to override predefined names |
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282 | * |
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283 | *****************************************************************************/ |
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284 | |||
285 | ACPI_STATUS |
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286 | AcpiOsPredefinedOverride ( |
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287 | const ACPI_PREDEFINED_NAMES *InitVal, |
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288 | ACPI_STRING *NewVal) |
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289 | { |
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290 | |||
291 | if (!InitVal || !NewVal) |
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292 | { |
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293 | return (AE_BAD_PARAMETER); |
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294 | } |
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295 | |||
296 | *NewVal = NULL; |
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297 | return (AE_OK); |
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298 | } |
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299 | |||
300 | |||
301 | /****************************************************************************** |
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302 | * |
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303 | * FUNCTION: AcpiOsTableOverride |
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304 | * |
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2216 | Serge | 305 | * PARAMETERS: ExistingTable - Header of current table (probably firmware) |
306 | * NewTable - Where an entire new table is returned. |
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1498 | serge | 307 | * |
2216 | Serge | 308 | * RETURN: Status, pointer to new table. Null pointer returned if no |
1498 | serge | 309 | * table is available to override |
310 | * |
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311 | * DESCRIPTION: Return a different version of a table if one is available |
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312 | * |
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313 | *****************************************************************************/ |
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314 | |||
315 | ACPI_STATUS |
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316 | AcpiOsTableOverride ( |
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317 | ACPI_TABLE_HEADER *ExistingTable, |
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318 | ACPI_TABLE_HEADER **NewTable) |
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319 | { |
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320 | |||
321 | if (!ExistingTable || !NewTable) |
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322 | { |
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323 | return (AE_BAD_PARAMETER); |
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324 | } |
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325 | |||
326 | *NewTable = NULL; |
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327 | |||
328 | |||
329 | #ifdef ACPI_EXEC_APP |
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330 | |||
331 | /* Call back up to AcpiExec */ |
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332 | |||
333 | AeTableOverride (ExistingTable, NewTable); |
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334 | #endif |
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335 | |||
336 | |||
337 | #ifdef ACPI_ASL_COMPILER |
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338 | |||
339 | /* Attempt to get the table from the registry */ |
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340 | |||
341 | /* Construct a null-terminated string from table signature */ |
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342 | |||
343 | TableName[ACPI_NAME_SIZE] = 0; |
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344 | ACPI_STRNCPY (TableName, ExistingTable->Signature, ACPI_NAME_SIZE); |
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345 | |||
346 | *NewTable = OsGetTable (TableName); |
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347 | if (*NewTable) |
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348 | { |
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349 | AcpiOsPrintf ("Table [%s] obtained from registry, %u bytes\n", |
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350 | TableName, (*NewTable)->Length); |
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351 | } |
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352 | else |
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353 | { |
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354 | AcpiOsPrintf ("Could not read table %s from registry\n", TableName); |
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355 | } |
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356 | #endif |
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357 | |||
358 | return (AE_OK); |
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359 | } |
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360 | |||
361 | |||
362 | /****************************************************************************** |
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363 | * |
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364 | * FUNCTION: AcpiOsGetTimer |
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365 | * |
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366 | * PARAMETERS: None |
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367 | * |
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368 | * RETURN: Current ticks in 100-nanosecond units |
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369 | * |
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370 | * DESCRIPTION: Get the value of a system timer |
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371 | * |
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372 | ******************************************************************************/ |
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373 | |||
374 | UINT64 |
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375 | AcpiOsGetTimer ( |
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376 | void) |
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377 | { |
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378 | LARGE_INTEGER Timer; |
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379 | |||
380 | |||
381 | /* Attempt to use hi-granularity timer first */ |
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382 | |||
383 | if (TimerFrequency && |
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384 | QueryPerformanceCounter (&Timer)) |
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385 | { |
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386 | /* Convert to 100 nanosecond ticks */ |
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387 | |||
388 | return ((UINT64) ((Timer.QuadPart * (UINT64) 10000000) / TimerFrequency)); |
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389 | } |
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390 | |||
391 | /* Fall back to the lo-granularity timer */ |
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392 | |||
393 | else |
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394 | { |
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395 | /* Convert milliseconds to 100 nanosecond ticks */ |
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396 | |||
397 | return ((UINT64) GetTickCount() * 10000); |
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398 | } |
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399 | } |
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400 | |||
401 | |||
402 | /****************************************************************************** |
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403 | * |
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404 | * FUNCTION: AcpiOsReadable |
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405 | * |
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406 | * PARAMETERS: Pointer - Area to be verified |
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407 | * Length - Size of area |
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408 | * |
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409 | * RETURN: TRUE if readable for entire length |
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410 | * |
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411 | * DESCRIPTION: Verify that a pointer is valid for reading |
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412 | * |
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413 | *****************************************************************************/ |
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414 | |||
415 | BOOLEAN |
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416 | AcpiOsReadable ( |
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417 | void *Pointer, |
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418 | ACPI_SIZE Length) |
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419 | { |
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420 | |||
421 | return ((BOOLEAN) !IsBadReadPtr (Pointer, Length)); |
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422 | } |
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423 | |||
424 | |||
425 | /****************************************************************************** |
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426 | * |
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427 | * FUNCTION: AcpiOsWritable |
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428 | * |
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429 | * PARAMETERS: Pointer - Area to be verified |
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430 | * Length - Size of area |
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431 | * |
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432 | * RETURN: TRUE if writable for entire length |
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433 | * |
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434 | * DESCRIPTION: Verify that a pointer is valid for writing |
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435 | * |
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436 | *****************************************************************************/ |
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437 | |||
438 | BOOLEAN |
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439 | AcpiOsWritable ( |
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440 | void *Pointer, |
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441 | ACPI_SIZE Length) |
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442 | { |
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443 | |||
444 | return ((BOOLEAN) !IsBadWritePtr (Pointer, Length)); |
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445 | } |
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446 | |||
447 | |||
448 | /****************************************************************************** |
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449 | * |
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450 | * FUNCTION: AcpiOsRedirectOutput |
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451 | * |
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452 | * PARAMETERS: Destination - An open file handle/pointer |
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453 | * |
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454 | * RETURN: None |
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455 | * |
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456 | * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf |
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457 | * |
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458 | *****************************************************************************/ |
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459 | |||
460 | void |
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461 | AcpiOsRedirectOutput ( |
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462 | void *Destination) |
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463 | { |
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464 | |||
465 | AcpiGbl_OutputFile = Destination; |
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466 | } |
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467 | |||
468 | |||
469 | /****************************************************************************** |
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470 | * |
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471 | * FUNCTION: AcpiOsPrintf |
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472 | * |
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2216 | Serge | 473 | * PARAMETERS: Fmt, ... - Standard printf format |
1498 | serge | 474 | * |
475 | * RETURN: None |
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476 | * |
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477 | * DESCRIPTION: Formatted output |
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478 | * |
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479 | *****************************************************************************/ |
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480 | |||
481 | void ACPI_INTERNAL_VAR_XFACE |
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482 | AcpiOsPrintf ( |
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483 | const char *Fmt, |
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484 | ...) |
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485 | { |
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486 | va_list Args; |
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487 | |||
488 | |||
489 | va_start (Args, Fmt); |
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490 | |||
491 | AcpiOsVprintf (Fmt, Args); |
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492 | |||
493 | va_end (Args); |
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494 | return; |
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495 | } |
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496 | |||
497 | |||
498 | /****************************************************************************** |
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499 | * |
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500 | * FUNCTION: AcpiOsVprintf |
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501 | * |
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2216 | Serge | 502 | * PARAMETERS: Fmt - Standard printf format |
503 | * Args - Argument list |
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1498 | serge | 504 | * |
505 | * RETURN: None |
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506 | * |
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507 | * DESCRIPTION: Formatted output with argument list pointer |
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508 | * |
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509 | *****************************************************************************/ |
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510 | |||
511 | void |
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512 | AcpiOsVprintf ( |
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513 | const char *Fmt, |
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514 | va_list Args) |
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515 | { |
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516 | INT32 Count = 0; |
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517 | UINT8 Flags; |
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518 | |||
519 | |||
520 | Flags = AcpiGbl_DbOutputFlags; |
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521 | if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT) |
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522 | { |
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523 | /* Output is directable to either a file (if open) or the console */ |
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524 | |||
525 | if (AcpiGbl_DebugFile) |
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526 | { |
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527 | /* Output file is open, send the output there */ |
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528 | |||
529 | Count = vfprintf (AcpiGbl_DebugFile, Fmt, Args); |
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530 | } |
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531 | else |
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532 | { |
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533 | /* No redirection, send output to console (once only!) */ |
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534 | |||
535 | Flags |= ACPI_DB_CONSOLE_OUTPUT; |
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536 | } |
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537 | } |
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538 | |||
539 | if (Flags & ACPI_DB_CONSOLE_OUTPUT) |
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540 | { |
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541 | Count = vfprintf (AcpiGbl_OutputFile, Fmt, Args); |
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542 | } |
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543 | |||
544 | return; |
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545 | } |
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546 | |||
547 | |||
548 | /****************************************************************************** |
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549 | * |
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550 | * FUNCTION: AcpiOsGetLine |
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551 | * |
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2216 | Serge | 552 | * PARAMETERS: Buffer - Where to return the command line |
553 | * BufferLength - Maximum length of Buffer |
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554 | * BytesRead - Where the actual byte count is returned |
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1498 | serge | 555 | * |
2216 | Serge | 556 | * RETURN: Status and actual bytes read |
1498 | serge | 557 | * |
558 | * DESCRIPTION: Formatted input with argument list pointer |
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559 | * |
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560 | *****************************************************************************/ |
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561 | |||
2216 | Serge | 562 | ACPI_STATUS |
1498 | serge | 563 | AcpiOsGetLine ( |
2216 | Serge | 564 | char *Buffer, |
565 | UINT32 BufferLength, |
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566 | UINT32 *BytesRead) |
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1498 | serge | 567 | { |
568 | char Temp; |
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569 | UINT32 i; |
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570 | |||
571 | |||
572 | for (i = 0; ; i++) |
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573 | { |
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2216 | Serge | 574 | if (i >= BufferLength) |
575 | { |
||
576 | return (AE_BUFFER_OVERFLOW); |
||
577 | } |
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578 | |||
1498 | serge | 579 | scanf ("%1c", &Temp); |
580 | if (!Temp || Temp == '\n') |
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581 | { |
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582 | break; |
||
583 | } |
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584 | |||
585 | Buffer [i] = Temp; |
||
586 | } |
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587 | |||
588 | /* Null terminate the buffer */ |
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589 | |||
590 | Buffer [i] = 0; |
||
591 | |||
592 | /* Return the number of bytes in the string */ |
||
593 | |||
2216 | Serge | 594 | if (BytesRead) |
595 | { |
||
596 | *BytesRead = i; |
||
597 | } |
||
598 | return (AE_OK); |
||
1498 | serge | 599 | } |
600 | |||
601 | |||
602 | /****************************************************************************** |
||
603 | * |
||
604 | * FUNCTION: AcpiOsMapMemory |
||
605 | * |
||
2216 | Serge | 606 | * PARAMETERS: Where - Physical address of memory to be mapped |
607 | * Length - How much memory to map |
||
1498 | serge | 608 | * |
2216 | Serge | 609 | * RETURN: Pointer to mapped memory. Null on error. |
1498 | serge | 610 | * |
611 | * DESCRIPTION: Map physical memory into caller's address space |
||
612 | * |
||
613 | *****************************************************************************/ |
||
614 | |||
615 | void * |
||
616 | AcpiOsMapMemory ( |
||
2216 | Serge | 617 | ACPI_PHYSICAL_ADDRESS Where, |
618 | ACPI_SIZE Length) |
||
1498 | serge | 619 | { |
620 | |||
2216 | Serge | 621 | return (ACPI_TO_POINTER ((ACPI_SIZE) Where)); |
1498 | serge | 622 | } |
623 | |||
624 | |||
625 | /****************************************************************************** |
||
626 | * |
||
627 | * FUNCTION: AcpiOsUnmapMemory |
||
628 | * |
||
2216 | Serge | 629 | * PARAMETERS: Where - Logical address of memory to be unmapped |
630 | * Length - How much memory to unmap |
||
1498 | serge | 631 | * |
632 | * RETURN: None. |
||
633 | * |
||
2216 | Serge | 634 | * DESCRIPTION: Delete a previously created mapping. Where and Length must |
1498 | serge | 635 | * correspond to a previous mapping exactly. |
636 | * |
||
637 | *****************************************************************************/ |
||
638 | |||
639 | void |
||
640 | AcpiOsUnmapMemory ( |
||
2216 | Serge | 641 | void *Where, |
642 | ACPI_SIZE Length) |
||
1498 | serge | 643 | { |
644 | |||
645 | return; |
||
646 | } |
||
647 | |||
648 | |||
649 | /****************************************************************************** |
||
650 | * |
||
651 | * FUNCTION: AcpiOsAllocate |
||
652 | * |
||
2216 | Serge | 653 | * PARAMETERS: Size - Amount to allocate, in bytes |
1498 | serge | 654 | * |
2216 | Serge | 655 | * RETURN: Pointer to the new allocation. Null on error. |
1498 | serge | 656 | * |
2216 | Serge | 657 | * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS. |
1498 | serge | 658 | * |
659 | *****************************************************************************/ |
||
660 | |||
661 | void * |
||
662 | AcpiOsAllocate ( |
||
2216 | Serge | 663 | ACPI_SIZE Size) |
1498 | serge | 664 | { |
665 | void *Mem; |
||
666 | |||
667 | |||
2216 | Serge | 668 | Mem = (void *) malloc ((size_t) Size); |
1498 | serge | 669 | |
2216 | Serge | 670 | return (Mem); |
1498 | serge | 671 | } |
672 | |||
673 | |||
674 | /****************************************************************************** |
||
675 | * |
||
676 | * FUNCTION: AcpiOsFree |
||
677 | * |
||
2216 | Serge | 678 | * PARAMETERS: Mem - Pointer to previously allocated memory |
1498 | serge | 679 | * |
680 | * RETURN: None. |
||
681 | * |
||
682 | * DESCRIPTION: Free memory allocated via AcpiOsAllocate |
||
683 | * |
||
684 | *****************************************************************************/ |
||
685 | |||
686 | void |
||
687 | AcpiOsFree ( |
||
688 | void *Mem) |
||
689 | { |
||
690 | |||
691 | free (Mem); |
||
692 | } |
||
693 | |||
694 | |||
2216 | Serge | 695 | #ifdef ACPI_SINGLE_THREADED |
1498 | serge | 696 | /****************************************************************************** |
697 | * |
||
2216 | Serge | 698 | * FUNCTION: Semaphore stub functions |
699 | * |
||
700 | * DESCRIPTION: Stub functions used for single-thread applications that do |
||
701 | * not require semaphore synchronization. Full implementations |
||
702 | * of these functions appear after the stubs. |
||
703 | * |
||
704 | *****************************************************************************/ |
||
705 | |||
706 | ACPI_STATUS |
||
707 | AcpiOsCreateSemaphore ( |
||
708 | UINT32 MaxUnits, |
||
709 | UINT32 InitialUnits, |
||
710 | ACPI_HANDLE *OutHandle) |
||
711 | { |
||
712 | *OutHandle = (ACPI_HANDLE) 1; |
||
713 | return (AE_OK); |
||
714 | } |
||
715 | |||
716 | ACPI_STATUS |
||
717 | AcpiOsDeleteSemaphore ( |
||
718 | ACPI_HANDLE Handle) |
||
719 | { |
||
720 | return (AE_OK); |
||
721 | } |
||
722 | |||
723 | ACPI_STATUS |
||
724 | AcpiOsWaitSemaphore ( |
||
725 | ACPI_HANDLE Handle, |
||
726 | UINT32 Units, |
||
727 | UINT16 Timeout) |
||
728 | { |
||
729 | return (AE_OK); |
||
730 | } |
||
731 | |||
732 | ACPI_STATUS |
||
733 | AcpiOsSignalSemaphore ( |
||
734 | ACPI_HANDLE Handle, |
||
735 | UINT32 Units) |
||
736 | { |
||
737 | return (AE_OK); |
||
738 | } |
||
739 | |||
740 | #else |
||
741 | /****************************************************************************** |
||
742 | * |
||
1498 | serge | 743 | * FUNCTION: AcpiOsCreateSemaphore |
744 | * |
||
745 | * PARAMETERS: MaxUnits - Maximum units that can be sent |
||
746 | * InitialUnits - Units to be assigned to the new semaphore |
||
747 | * OutHandle - Where a handle will be returned |
||
748 | * |
||
749 | * RETURN: Status |
||
750 | * |
||
751 | * DESCRIPTION: Create an OS semaphore |
||
752 | * |
||
753 | *****************************************************************************/ |
||
754 | |||
755 | ACPI_STATUS |
||
756 | AcpiOsCreateSemaphore ( |
||
757 | UINT32 MaxUnits, |
||
758 | UINT32 InitialUnits, |
||
759 | ACPI_SEMAPHORE *OutHandle) |
||
760 | { |
||
761 | void *Mutex; |
||
762 | UINT32 i; |
||
763 | |||
764 | ACPI_FUNCTION_NAME (OsCreateSemaphore); |
||
765 | |||
766 | |||
767 | if (MaxUnits == ACPI_UINT32_MAX) |
||
768 | { |
||
769 | MaxUnits = 255; |
||
770 | } |
||
771 | |||
772 | if (InitialUnits == ACPI_UINT32_MAX) |
||
773 | { |
||
774 | InitialUnits = MaxUnits; |
||
775 | } |
||
776 | |||
777 | if (InitialUnits > MaxUnits) |
||
778 | { |
||
2216 | Serge | 779 | return (AE_BAD_PARAMETER); |
1498 | serge | 780 | } |
781 | |||
782 | /* Find an empty slot */ |
||
783 | |||
784 | for (i = 0; i < ACPI_OS_MAX_SEMAPHORES; i++) |
||
785 | { |
||
786 | if (!AcpiGbl_Semaphores[i].OsHandle) |
||
787 | { |
||
788 | break; |
||
789 | } |
||
790 | } |
||
791 | if (i >= ACPI_OS_MAX_SEMAPHORES) |
||
792 | { |
||
793 | ACPI_EXCEPTION ((AE_INFO, AE_LIMIT, |
||
794 | "Reached max semaphores (%u), could not create", ACPI_OS_MAX_SEMAPHORES)); |
||
2216 | Serge | 795 | return (AE_LIMIT); |
1498 | serge | 796 | } |
797 | |||
798 | /* Create an OS semaphore */ |
||
799 | |||
800 | Mutex = CreateSemaphore (NULL, InitialUnits, MaxUnits, NULL); |
||
801 | if (!Mutex) |
||
802 | { |
||
803 | ACPI_ERROR ((AE_INFO, "Could not create semaphore")); |
||
2216 | Serge | 804 | return (AE_NO_MEMORY); |
1498 | serge | 805 | } |
806 | |||
807 | AcpiGbl_Semaphores[i].MaxUnits = (UINT16) MaxUnits; |
||
808 | AcpiGbl_Semaphores[i].CurrentUnits = (UINT16) InitialUnits; |
||
809 | AcpiGbl_Semaphores[i].OsHandle = Mutex; |
||
810 | |||
811 | ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Handle=%u, Max=%u, Current=%u, OsHandle=%p\n", |
||
812 | i, MaxUnits, InitialUnits, Mutex)); |
||
813 | |||
814 | *OutHandle = (void *) i; |
||
2216 | Serge | 815 | return (AE_OK); |
1498 | serge | 816 | } |
817 | |||
818 | |||
819 | /****************************************************************************** |
||
820 | * |
||
821 | * FUNCTION: AcpiOsDeleteSemaphore |
||
822 | * |
||
823 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
824 | * |
||
825 | * RETURN: Status |
||
826 | * |
||
827 | * DESCRIPTION: Delete an OS semaphore |
||
828 | * |
||
829 | *****************************************************************************/ |
||
830 | |||
831 | ACPI_STATUS |
||
832 | AcpiOsDeleteSemaphore ( |
||
833 | ACPI_SEMAPHORE Handle) |
||
834 | { |
||
835 | UINT32 Index = (UINT32) Handle; |
||
836 | |||
837 | |||
838 | if ((Index >= ACPI_OS_MAX_SEMAPHORES) || |
||
839 | !AcpiGbl_Semaphores[Index].OsHandle) |
||
840 | { |
||
2216 | Serge | 841 | return (AE_BAD_PARAMETER); |
1498 | serge | 842 | } |
843 | |||
844 | CloseHandle (AcpiGbl_Semaphores[Index].OsHandle); |
||
845 | AcpiGbl_Semaphores[Index].OsHandle = NULL; |
||
2216 | Serge | 846 | return (AE_OK); |
1498 | serge | 847 | } |
848 | |||
849 | |||
850 | /****************************************************************************** |
||
851 | * |
||
852 | * FUNCTION: AcpiOsWaitSemaphore |
||
853 | * |
||
854 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
855 | * Units - How many units to wait for |
||
856 | * Timeout - How long to wait |
||
857 | * |
||
858 | * RETURN: Status |
||
859 | * |
||
860 | * DESCRIPTION: Wait for units |
||
861 | * |
||
862 | *****************************************************************************/ |
||
863 | |||
864 | ACPI_STATUS |
||
865 | AcpiOsWaitSemaphore ( |
||
866 | ACPI_SEMAPHORE Handle, |
||
867 | UINT32 Units, |
||
868 | UINT16 Timeout) |
||
869 | { |
||
870 | UINT32 Index = (UINT32) Handle; |
||
871 | UINT32 WaitStatus; |
||
872 | UINT32 OsTimeout = Timeout; |
||
873 | |||
874 | |||
875 | ACPI_FUNCTION_ENTRY (); |
||
876 | |||
877 | |||
878 | if ((Index >= ACPI_OS_MAX_SEMAPHORES) || |
||
879 | !AcpiGbl_Semaphores[Index].OsHandle) |
||
880 | { |
||
2216 | Serge | 881 | return (AE_BAD_PARAMETER); |
1498 | serge | 882 | } |
883 | |||
884 | if (Units > 1) |
||
885 | { |
||
886 | printf ("WaitSemaphore: Attempt to receive %u units\n", Units); |
||
2216 | Serge | 887 | return (AE_NOT_IMPLEMENTED); |
1498 | serge | 888 | } |
889 | |||
890 | if (Timeout == ACPI_WAIT_FOREVER) |
||
891 | { |
||
892 | OsTimeout = INFINITE; |
||
893 | if (AcpiGbl_DebugTimeout) |
||
894 | { |
||
895 | /* The debug timeout will prevent hang conditions */ |
||
896 | |||
897 | OsTimeout = ACPI_OS_DEBUG_TIMEOUT; |
||
898 | } |
||
899 | } |
||
900 | else |
||
901 | { |
||
902 | /* Add 10ms to account for clock tick granularity */ |
||
903 | |||
904 | OsTimeout += 10; |
||
905 | } |
||
906 | |||
907 | WaitStatus = WaitForSingleObject (AcpiGbl_Semaphores[Index].OsHandle, OsTimeout); |
||
908 | if (WaitStatus == WAIT_TIMEOUT) |
||
909 | { |
||
910 | if (AcpiGbl_DebugTimeout) |
||
911 | { |
||
912 | ACPI_EXCEPTION ((AE_INFO, AE_TIME, |
||
913 | "Debug timeout on semaphore 0x%04X (%ums)\n", |
||
914 | Index, ACPI_OS_DEBUG_TIMEOUT)); |
||
915 | } |
||
2216 | Serge | 916 | return (AE_TIME); |
1498 | serge | 917 | } |
918 | |||
919 | if (AcpiGbl_Semaphores[Index].CurrentUnits == 0) |
||
920 | { |
||
921 | ACPI_ERROR ((AE_INFO, "%s - No unit received. Timeout 0x%X, OS_Status 0x%X", |
||
922 | AcpiUtGetMutexName (Index), Timeout, WaitStatus)); |
||
923 | |||
2216 | Serge | 924 | return (AE_OK); |
1498 | serge | 925 | } |
926 | |||
927 | AcpiGbl_Semaphores[Index].CurrentUnits--; |
||
2216 | Serge | 928 | return (AE_OK); |
1498 | serge | 929 | } |
930 | |||
931 | |||
932 | /****************************************************************************** |
||
933 | * |
||
934 | * FUNCTION: AcpiOsSignalSemaphore |
||
935 | * |
||
936 | * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore |
||
937 | * Units - Number of units to send |
||
938 | * |
||
939 | * RETURN: Status |
||
940 | * |
||
941 | * DESCRIPTION: Send units |
||
942 | * |
||
943 | *****************************************************************************/ |
||
944 | |||
945 | ACPI_STATUS |
||
946 | AcpiOsSignalSemaphore ( |
||
947 | ACPI_SEMAPHORE Handle, |
||
948 | UINT32 Units) |
||
949 | { |
||
950 | UINT32 Index = (UINT32) Handle; |
||
951 | |||
952 | |||
953 | ACPI_FUNCTION_ENTRY (); |
||
954 | |||
955 | |||
956 | if (Index >= ACPI_OS_MAX_SEMAPHORES) |
||
957 | { |
||
958 | printf ("SignalSemaphore: Index/Handle out of range: %2.2X\n", Index); |
||
2216 | Serge | 959 | return (AE_BAD_PARAMETER); |
1498 | serge | 960 | } |
961 | |||
962 | if (!AcpiGbl_Semaphores[Index].OsHandle) |
||
963 | { |
||
964 | printf ("SignalSemaphore: Null OS handle, Index %2.2X\n", Index); |
||
2216 | Serge | 965 | return (AE_BAD_PARAMETER); |
1498 | serge | 966 | } |
967 | |||
968 | if (Units > 1) |
||
969 | { |
||
970 | printf ("SignalSemaphore: Attempt to signal %u units, Index %2.2X\n", Units, Index); |
||
2216 | Serge | 971 | return (AE_NOT_IMPLEMENTED); |
1498 | serge | 972 | } |
973 | |||
974 | if ((AcpiGbl_Semaphores[Index].CurrentUnits + 1) > |
||
975 | AcpiGbl_Semaphores[Index].MaxUnits) |
||
976 | { |
||
977 | ACPI_ERROR ((AE_INFO, |
||
978 | "Oversignalled semaphore[%u]! Current %u Max %u", |
||
979 | Index, AcpiGbl_Semaphores[Index].CurrentUnits, |
||
980 | AcpiGbl_Semaphores[Index].MaxUnits)); |
||
981 | |||
982 | return (AE_LIMIT); |
||
983 | } |
||
984 | |||
985 | AcpiGbl_Semaphores[Index].CurrentUnits++; |
||
986 | ReleaseSemaphore (AcpiGbl_Semaphores[Index].OsHandle, Units, NULL); |
||
987 | |||
988 | return (AE_OK); |
||
989 | } |
||
990 | |||
2216 | Serge | 991 | #endif /* ACPI_SINGLE_THREADED */ |
1498 | serge | 992 | |
993 | |||
2216 | Serge | 994 | /****************************************************************************** |
995 | * |
||
996 | * FUNCTION: Spinlock interfaces |
||
997 | * |
||
998 | * DESCRIPTION: Map these interfaces to semaphore interfaces |
||
999 | * |
||
1000 | *****************************************************************************/ |
||
1001 | |||
1498 | serge | 1002 | ACPI_STATUS |
1003 | AcpiOsCreateLock ( |
||
1004 | ACPI_SPINLOCK *OutHandle) |
||
1005 | { |
||
1006 | return (AcpiOsCreateSemaphore (1, 1, OutHandle)); |
||
1007 | } |
||
1008 | |||
1009 | void |
||
1010 | AcpiOsDeleteLock ( |
||
1011 | ACPI_SPINLOCK Handle) |
||
1012 | { |
||
1013 | AcpiOsDeleteSemaphore (Handle); |
||
1014 | } |
||
1015 | |||
1016 | ACPI_CPU_FLAGS |
||
1017 | AcpiOsAcquireLock ( |
||
1018 | ACPI_SPINLOCK Handle) |
||
1019 | { |
||
1020 | AcpiOsWaitSemaphore (Handle, 1, 0xFFFF); |
||
1021 | return (0); |
||
1022 | } |
||
1023 | |||
1024 | void |
||
1025 | AcpiOsReleaseLock ( |
||
1026 | ACPI_SPINLOCK Handle, |
||
1027 | ACPI_CPU_FLAGS Flags) |
||
1028 | { |
||
1029 | AcpiOsSignalSemaphore (Handle, 1); |
||
1030 | } |
||
1031 | |||
1032 | |||
1033 | #if ACPI_FUTURE_IMPLEMENTATION |
||
1034 | |||
1035 | /* Mutex interfaces, just implement with a semaphore */ |
||
1036 | |||
1037 | ACPI_STATUS |
||
1038 | AcpiOsCreateMutex ( |
||
1039 | ACPI_MUTEX *OutHandle) |
||
1040 | { |
||
1041 | return (AcpiOsCreateSemaphore (1, 1, OutHandle)); |
||
1042 | } |
||
1043 | |||
1044 | void |
||
1045 | AcpiOsDeleteMutex ( |
||
1046 | ACPI_MUTEX Handle) |
||
1047 | { |
||
1048 | AcpiOsDeleteSemaphore (Handle); |
||
1049 | } |
||
1050 | |||
1051 | ACPI_STATUS |
||
1052 | AcpiOsAcquireMutex ( |
||
1053 | ACPI_MUTEX Handle, |
||
1054 | UINT16 Timeout) |
||
1055 | { |
||
1056 | AcpiOsWaitSemaphore (Handle, 1, Timeout); |
||
1057 | return (0); |
||
1058 | } |
||
1059 | |||
1060 | void |
||
1061 | AcpiOsReleaseMutex ( |
||
1062 | ACPI_MUTEX Handle) |
||
1063 | { |
||
1064 | AcpiOsSignalSemaphore (Handle, 1); |
||
1065 | } |
||
1066 | #endif |
||
1067 | |||
1068 | |||
1069 | /****************************************************************************** |
||
1070 | * |
||
1071 | * FUNCTION: AcpiOsInstallInterruptHandler |
||
1072 | * |
||
2216 | Serge | 1073 | * PARAMETERS: InterruptNumber - Level handler should respond to. |
1074 | * ServiceRoutine - Address of the ACPI interrupt handler |
||
1075 | * Context - User context |
||
1498 | serge | 1076 | * |
1077 | * RETURN: Handle to the newly installed handler. |
||
1078 | * |
||
2216 | Serge | 1079 | * DESCRIPTION: Install an interrupt handler. Used to install the ACPI |
1498 | serge | 1080 | * OS-independent handler. |
1081 | * |
||
1082 | *****************************************************************************/ |
||
1083 | |||
1084 | UINT32 |
||
1085 | AcpiOsInstallInterruptHandler ( |
||
1086 | UINT32 InterruptNumber, |
||
1087 | ACPI_OSD_HANDLER ServiceRoutine, |
||
1088 | void *Context) |
||
1089 | { |
||
1090 | |||
2216 | Serge | 1091 | return (AE_OK); |
1498 | serge | 1092 | } |
1093 | |||
1094 | |||
1095 | /****************************************************************************** |
||
1096 | * |
||
1097 | * FUNCTION: AcpiOsRemoveInterruptHandler |
||
1098 | * |
||
2216 | Serge | 1099 | * PARAMETERS: Handle - Returned when handler was installed |
1498 | serge | 1100 | * |
1101 | * RETURN: Status |
||
1102 | * |
||
1103 | * DESCRIPTION: Uninstalls an interrupt handler. |
||
1104 | * |
||
1105 | *****************************************************************************/ |
||
1106 | |||
1107 | ACPI_STATUS |
||
1108 | AcpiOsRemoveInterruptHandler ( |
||
1109 | UINT32 InterruptNumber, |
||
1110 | ACPI_OSD_HANDLER ServiceRoutine) |
||
1111 | { |
||
1112 | |||
2216 | Serge | 1113 | return (AE_OK); |
1498 | serge | 1114 | } |
1115 | |||
1116 | |||
1117 | /****************************************************************************** |
||
1118 | * |
||
1119 | * FUNCTION: AcpiOsStall |
||
1120 | * |
||
2216 | Serge | 1121 | * PARAMETERS: Microseconds - Time to stall |
1498 | serge | 1122 | * |
2216 | Serge | 1123 | * RETURN: None. Blocks until stall is completed. |
1498 | serge | 1124 | * |
1125 | * DESCRIPTION: Sleep at microsecond granularity |
||
1126 | * |
||
1127 | *****************************************************************************/ |
||
1128 | |||
1129 | void |
||
1130 | AcpiOsStall ( |
||
2216 | Serge | 1131 | UINT32 Microseconds) |
1498 | serge | 1132 | { |
1133 | |||
2216 | Serge | 1134 | Sleep ((Microseconds / 1000) + 1); |
1498 | serge | 1135 | return; |
1136 | } |
||
1137 | |||
1138 | |||
1139 | /****************************************************************************** |
||
1140 | * |
||
1141 | * FUNCTION: AcpiOsSleep |
||
1142 | * |
||
2216 | Serge | 1143 | * PARAMETERS: Milliseconds - Time to sleep |
1498 | serge | 1144 | * |
2216 | Serge | 1145 | * RETURN: None. Blocks until sleep is completed. |
1498 | serge | 1146 | * |
1147 | * DESCRIPTION: Sleep at millisecond granularity |
||
1148 | * |
||
1149 | *****************************************************************************/ |
||
1150 | |||
1151 | void |
||
1152 | AcpiOsSleep ( |
||
2216 | Serge | 1153 | UINT64 Milliseconds) |
1498 | serge | 1154 | { |
1155 | |||
1156 | /* Add 10ms to account for clock tick granularity */ |
||
1157 | |||
2216 | Serge | 1158 | Sleep (((unsigned long) Milliseconds) + 10); |
1498 | serge | 1159 | return; |
1160 | } |
||
1161 | |||
1162 | |||
1163 | /****************************************************************************** |
||
1164 | * |
||
1165 | * FUNCTION: AcpiOsReadPciConfiguration |
||
1166 | * |
||
2216 | Serge | 1167 | * PARAMETERS: PciId - Seg/Bus/Dev |
1168 | * Register - Device Register |
||
1169 | * Value - Buffer where value is placed |
||
1170 | * Width - Number of bits |
||
1498 | serge | 1171 | * |
1172 | * RETURN: Status |
||
1173 | * |
||
1174 | * DESCRIPTION: Read data from PCI configuration space |
||
1175 | * |
||
1176 | *****************************************************************************/ |
||
1177 | |||
1178 | ACPI_STATUS |
||
1179 | AcpiOsReadPciConfiguration ( |
||
1180 | ACPI_PCI_ID *PciId, |
||
1181 | UINT32 Register, |
||
2216 | Serge | 1182 | UINT64 *Value, |
1498 | serge | 1183 | UINT32 Width) |
1184 | { |
||
1185 | |||
1186 | return (AE_OK); |
||
1187 | } |
||
1188 | |||
1189 | |||
1190 | /****************************************************************************** |
||
1191 | * |
||
1192 | * FUNCTION: AcpiOsWritePciConfiguration |
||
1193 | * |
||
2216 | Serge | 1194 | * PARAMETERS: PciId - Seg/Bus/Dev |
1195 | * Register - Device Register |
||
1196 | * Value - Value to be written |
||
1197 | * Width - Number of bits |
||
1498 | serge | 1198 | * |
2216 | Serge | 1199 | * RETURN: Status |
1498 | serge | 1200 | * |
1201 | * DESCRIPTION: Write data to PCI configuration space |
||
1202 | * |
||
1203 | *****************************************************************************/ |
||
1204 | |||
1205 | ACPI_STATUS |
||
1206 | AcpiOsWritePciConfiguration ( |
||
1207 | ACPI_PCI_ID *PciId, |
||
1208 | UINT32 Register, |
||
1209 | UINT64 Value, |
||
1210 | UINT32 Width) |
||
1211 | { |
||
1212 | |||
1213 | return (AE_OK); |
||
1214 | } |
||
1215 | |||
1216 | |||
1217 | /****************************************************************************** |
||
1218 | * |
||
1219 | * FUNCTION: AcpiOsReadPort |
||
1220 | * |
||
2216 | Serge | 1221 | * PARAMETERS: Address - Address of I/O port/register to read |
1222 | * Value - Where value is placed |
||
1223 | * Width - Number of bits |
||
1498 | serge | 1224 | * |
1225 | * RETURN: Value read from port |
||
1226 | * |
||
1227 | * DESCRIPTION: Read data from an I/O port or register |
||
1228 | * |
||
1229 | *****************************************************************************/ |
||
1230 | |||
1231 | ACPI_STATUS |
||
1232 | AcpiOsReadPort ( |
||
1233 | ACPI_IO_ADDRESS Address, |
||
1234 | UINT32 *Value, |
||
1235 | UINT32 Width) |
||
1236 | { |
||
1237 | |||
1238 | switch (Width) |
||
1239 | { |
||
1240 | case 8: |
||
1241 | *Value = 0xFF; |
||
1242 | break; |
||
1243 | |||
1244 | case 16: |
||
1245 | *Value = 0xFFFF; |
||
1246 | break; |
||
1247 | |||
1248 | case 32: |
||
1249 | *Value = 0xFFFFFFFF; |
||
1250 | break; |
||
1251 | |||
1252 | default: |
||
1253 | return (AE_BAD_PARAMETER); |
||
1254 | } |
||
1255 | |||
1256 | return (AE_OK); |
||
1257 | } |
||
1258 | |||
1259 | |||
1260 | /****************************************************************************** |
||
1261 | * |
||
1262 | * FUNCTION: AcpiOsWritePort |
||
1263 | * |
||
2216 | Serge | 1264 | * PARAMETERS: Address - Address of I/O port/register to write |
1265 | * Value - Value to write |
||
1266 | * Width - Number of bits |
||
1498 | serge | 1267 | * |
1268 | * RETURN: None |
||
1269 | * |
||
1270 | * DESCRIPTION: Write data to an I/O port or register |
||
1271 | * |
||
1272 | *****************************************************************************/ |
||
1273 | |||
1274 | ACPI_STATUS |
||
1275 | AcpiOsWritePort ( |
||
1276 | ACPI_IO_ADDRESS Address, |
||
1277 | UINT32 Value, |
||
1278 | UINT32 Width) |
||
1279 | { |
||
1280 | |||
1281 | return (AE_OK); |
||
1282 | } |
||
1283 | |||
1284 | |||
1285 | /****************************************************************************** |
||
1286 | * |
||
1287 | * FUNCTION: AcpiOsReadMemory |
||
1288 | * |
||
2216 | Serge | 1289 | * PARAMETERS: Address - Physical Memory Address to read |
1290 | * Value - Where value is placed |
||
1291 | * Width - Number of bits |
||
1498 | serge | 1292 | * |
2216 | Serge | 1293 | * RETURN: Value read from physical memory address. Always returned |
1498 | serge | 1294 | * as a 32-bit integer, regardless of the read width. |
1295 | * |
||
1296 | * DESCRIPTION: Read data from a physical memory address |
||
1297 | * |
||
1298 | *****************************************************************************/ |
||
1299 | |||
1300 | ACPI_STATUS |
||
1301 | AcpiOsReadMemory ( |
||
1302 | ACPI_PHYSICAL_ADDRESS Address, |
||
1303 | UINT32 *Value, |
||
1304 | UINT32 Width) |
||
1305 | { |
||
1306 | |||
1307 | switch (Width) |
||
1308 | { |
||
1309 | case 8: |
||
1310 | case 16: |
||
1311 | case 32: |
||
1312 | *Value = 0; |
||
1313 | break; |
||
1314 | |||
1315 | default: |
||
1316 | return (AE_BAD_PARAMETER); |
||
1317 | break; |
||
1318 | } |
||
1319 | |||
1320 | return (AE_OK); |
||
1321 | } |
||
1322 | |||
1323 | |||
1324 | /****************************************************************************** |
||
1325 | * |
||
1326 | * FUNCTION: AcpiOsWriteMemory |
||
1327 | * |
||
2216 | Serge | 1328 | * PARAMETERS: Address - Physical Memory Address to write |
1329 | * Value - Value to write |
||
1330 | * Width - Number of bits |
||
1498 | serge | 1331 | * |
1332 | * RETURN: None |
||
1333 | * |
||
1334 | * DESCRIPTION: Write data to a physical memory address |
||
1335 | * |
||
1336 | *****************************************************************************/ |
||
1337 | |||
1338 | ACPI_STATUS |
||
1339 | AcpiOsWriteMemory ( |
||
1340 | ACPI_PHYSICAL_ADDRESS Address, |
||
1341 | UINT32 Value, |
||
1342 | UINT32 Width) |
||
1343 | { |
||
1344 | |||
1345 | return (AE_OK); |
||
1346 | } |
||
1347 | |||
1348 | |||
1349 | /****************************************************************************** |
||
1350 | * |
||
1351 | * FUNCTION: AcpiOsSignal |
||
1352 | * |
||
2216 | Serge | 1353 | * PARAMETERS: Function - ACPI CA signal function code |
1354 | * Info - Pointer to function-dependent structure |
||
1498 | serge | 1355 | * |
1356 | * RETURN: Status |
||
1357 | * |
||
1358 | * DESCRIPTION: Miscellaneous functions. Example implementation only. |
||
1359 | * |
||
1360 | *****************************************************************************/ |
||
1361 | |||
1362 | ACPI_STATUS |
||
1363 | AcpiOsSignal ( |
||
1364 | UINT32 Function, |
||
1365 | void *Info) |
||
1366 | { |
||
1367 | |||
1368 | switch (Function) |
||
1369 | { |
||
1370 | case ACPI_SIGNAL_FATAL: |
||
1371 | break; |
||
1372 | |||
1373 | case ACPI_SIGNAL_BREAKPOINT: |
||
1374 | break; |
||
1375 | |||
1376 | default: |
||
1377 | break; |
||
1378 | } |
||
1379 | |||
1380 | return (AE_OK); |
||
1381 | } |
||
1382 | |||
1383 | |||
1384 | /****************************************************************************** |
||
1385 | * |
||
1386 | * FUNCTION: Local cache interfaces |
||
1387 | * |
||
1388 | * DESCRIPTION: Implements cache interfaces via malloc/free for testing |
||
1389 | * purposes only. |
||
1390 | * |
||
1391 | *****************************************************************************/ |
||
1392 | |||
1393 | #ifndef ACPI_USE_LOCAL_CACHE |
||
1394 | |||
1395 | ACPI_STATUS |
||
1396 | AcpiOsCreateCache ( |
||
1397 | char *CacheName, |
||
1398 | UINT16 ObjectSize, |
||
1399 | UINT16 MaxDepth, |
||
1400 | ACPI_CACHE_T **ReturnCache) |
||
1401 | { |
||
1402 | ACPI_MEMORY_LIST *NewCache; |
||
1403 | |||
1404 | |||
1405 | NewCache = malloc (sizeof (ACPI_MEMORY_LIST)); |
||
1406 | if (!NewCache) |
||
1407 | { |
||
1408 | return (AE_NO_MEMORY); |
||
1409 | } |
||
1410 | |||
1411 | memset (NewCache, 0, sizeof (ACPI_MEMORY_LIST)); |
||
1412 | NewCache->LinkOffset = 8; |
||
1413 | NewCache->ListName = CacheName; |
||
1414 | NewCache->ObjectSize = ObjectSize; |
||
1415 | NewCache->MaxDepth = MaxDepth; |
||
1416 | |||
1417 | *ReturnCache = (ACPI_CACHE_T) NewCache; |
||
1418 | return (AE_OK); |
||
1419 | } |
||
1420 | |||
1421 | ACPI_STATUS |
||
1422 | AcpiOsDeleteCache ( |
||
1423 | ACPI_CACHE_T *Cache) |
||
1424 | { |
||
1425 | free (Cache); |
||
1426 | return (AE_OK); |
||
1427 | } |
||
1428 | |||
1429 | ACPI_STATUS |
||
1430 | AcpiOsPurgeCache ( |
||
1431 | ACPI_CACHE_T *Cache) |
||
1432 | { |
||
1433 | return (AE_OK); |
||
1434 | } |
||
1435 | |||
1436 | void * |
||
1437 | AcpiOsAcquireObject ( |
||
1438 | ACPI_CACHE_T *Cache) |
||
1439 | { |
||
1440 | void *NewObject; |
||
1441 | |||
1442 | NewObject = malloc (((ACPI_MEMORY_LIST *) Cache)->ObjectSize); |
||
1443 | memset (NewObject, 0, ((ACPI_MEMORY_LIST *) Cache)->ObjectSize); |
||
1444 | |||
1445 | return (NewObject); |
||
1446 | } |
||
1447 | |||
1448 | ACPI_STATUS |
||
1449 | AcpiOsReleaseObject ( |
||
1450 | ACPI_CACHE_T *Cache, |
||
1451 | void *Object) |
||
1452 | { |
||
1453 | free (Object); |
||
1454 | return (AE_OK); |
||
1455 | } |
||
1456 | |||
2216 | Serge | 1457 | #endif /* ACPI_USE_LOCAL_CACHE */ |
1458 | |||
1459 | |||
1460 | /* Optional multi-thread support */ |
||
1461 | |||
1462 | #ifndef ACPI_SINGLE_THREADED |
||
1463 | /****************************************************************************** |
||
1464 | * |
||
1465 | * FUNCTION: AcpiOsGetThreadId |
||
1466 | * |
||
1467 | * PARAMETERS: None |
||
1468 | * |
||
1469 | * RETURN: Id of the running thread |
||
1470 | * |
||
1471 | * DESCRIPTION: Get the Id of the current (running) thread |
||
1472 | * |
||
1473 | *****************************************************************************/ |
||
1474 | |||
1475 | ACPI_THREAD_ID |
||
1476 | AcpiOsGetThreadId ( |
||
1477 | void) |
||
1478 | { |
||
1479 | DWORD ThreadId; |
||
1480 | |||
1481 | /* Ensure ID is never 0 */ |
||
1482 | |||
1483 | ThreadId = GetCurrentThreadId (); |
||
1484 | return ((ACPI_THREAD_ID) (ThreadId + 1)); |
||
1485 | } |
||
1486 | |||
1487 | |||
1488 | /****************************************************************************** |
||
1489 | * |
||
1490 | * FUNCTION: AcpiOsExecute |
||
1491 | * |
||
1492 | * PARAMETERS: Type - Type of execution |
||
1493 | * Function - Address of the function to execute |
||
1494 | * Context - Passed as a parameter to the function |
||
1495 | * |
||
1496 | * RETURN: Status |
||
1497 | * |
||
1498 | * DESCRIPTION: Execute a new thread |
||
1499 | * |
||
1500 | *****************************************************************************/ |
||
1501 | |||
1502 | ACPI_STATUS |
||
1503 | AcpiOsExecute ( |
||
1504 | ACPI_EXECUTE_TYPE Type, |
||
1505 | ACPI_OSD_EXEC_CALLBACK Function, |
||
1506 | void *Context) |
||
1507 | { |
||
1508 | |||
1509 | _beginthread (Function, (unsigned) 0, Context); |
||
1510 | return (0); |
||
1511 | } |
||
1512 | |||
1513 | #endif /* ACPI_SINGLE_THREADED */> |
||
1514 |