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1498 | serge | 1 | /****************************************************************************** |
2 | * |
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3 | * Module Name: dtfield.c - Code generation for individual source fields |
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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 | #define __DTFIELD_C__ |
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117 | |||
118 | #include "aslcompiler.h" |
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119 | #include "dtcompiler.h" |
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120 | |||
121 | #define _COMPONENT DT_COMPILER |
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122 | ACPI_MODULE_NAME ("dtfield") |
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123 | |||
124 | |||
125 | /* Local prototypes */ |
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126 | |||
127 | static void |
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128 | DtCompileString ( |
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129 | UINT8 *Buffer, |
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130 | DT_FIELD *Field, |
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131 | UINT32 ByteLength); |
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132 | |||
133 | static void |
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2216 | Serge | 134 | DtCompileUnicode ( |
1498 | serge | 135 | UINT8 *Buffer, |
136 | DT_FIELD *Field, |
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137 | UINT32 ByteLength); |
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138 | |||
2216 | Serge | 139 | static ACPI_STATUS |
140 | DtCompileUuid ( |
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141 | UINT8 *Buffer, |
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142 | DT_FIELD *Field, |
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143 | UINT32 ByteLength); |
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1498 | serge | 144 | |
2216 | Serge | 145 | static char * |
146 | DtNormalizeBuffer ( |
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147 | char *Buffer, |
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148 | UINT32 *Count); |
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149 | |||
150 | |||
1498 | serge | 151 | /****************************************************************************** |
152 | * |
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153 | * FUNCTION: DtCompileOneField |
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154 | * |
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155 | * PARAMETERS: Buffer - Output buffer |
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156 | * Field - Field to be compiled |
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157 | * ByteLength - Byte length of the field |
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158 | * Type - Field type |
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159 | * |
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160 | * RETURN: None |
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161 | * |
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162 | * DESCRIPTION: Compile a field value to binary |
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163 | * |
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164 | *****************************************************************************/ |
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165 | |||
166 | void |
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167 | DtCompileOneField ( |
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168 | UINT8 *Buffer, |
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169 | DT_FIELD *Field, |
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170 | UINT32 ByteLength, |
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171 | UINT8 Type, |
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172 | UINT8 Flags) |
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173 | { |
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2216 | Serge | 174 | ACPI_STATUS Status; |
1498 | serge | 175 | |
176 | switch (Type) |
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177 | { |
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178 | case DT_FIELD_TYPE_INTEGER: |
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179 | DtCompileInteger (Buffer, Field, ByteLength, Flags); |
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180 | break; |
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181 | |||
182 | case DT_FIELD_TYPE_STRING: |
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183 | DtCompileString (Buffer, Field, ByteLength); |
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184 | break; |
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185 | |||
2216 | Serge | 186 | case DT_FIELD_TYPE_UUID: |
187 | Status = DtCompileUuid (Buffer, Field, ByteLength); |
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188 | if (ACPI_SUCCESS (Status)) |
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189 | { |
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190 | break; |
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191 | } |
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192 | |||
193 | /* Fall through. */ |
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194 | |||
1498 | serge | 195 | case DT_FIELD_TYPE_BUFFER: |
196 | DtCompileBuffer (Buffer, Field->Value, Field, ByteLength); |
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197 | break; |
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198 | |||
2216 | Serge | 199 | case DT_FIELD_TYPE_UNICODE: |
200 | DtCompileUnicode (Buffer, Field, ByteLength); |
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1498 | serge | 201 | break; |
202 | |||
2216 | Serge | 203 | case DT_FIELD_TYPE_DEVICE_PATH: |
204 | break; |
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205 | |||
1498 | serge | 206 | default: |
207 | DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid field type"); |
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208 | break; |
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209 | } |
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210 | } |
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211 | |||
212 | |||
213 | /****************************************************************************** |
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214 | * |
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215 | * FUNCTION: DtCompileString |
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216 | * |
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217 | * PARAMETERS: Buffer - Output buffer |
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218 | * Field - String to be copied to buffer |
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219 | * ByteLength - Maximum length of string |
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220 | * |
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221 | * RETURN: None |
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222 | * |
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223 | * DESCRIPTION: Copy string to the buffer |
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224 | * |
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225 | *****************************************************************************/ |
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226 | |||
227 | static void |
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228 | DtCompileString ( |
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229 | UINT8 *Buffer, |
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230 | DT_FIELD *Field, |
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231 | UINT32 ByteLength) |
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232 | { |
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233 | UINT32 Length; |
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234 | |||
235 | |||
236 | Length = ACPI_STRLEN (Field->Value); |
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237 | |||
238 | /* Check if the string is too long for the field */ |
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239 | |||
240 | if (Length > ByteLength) |
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241 | { |
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242 | sprintf (MsgBuffer, "Maximum %u characters", ByteLength); |
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243 | DtError (ASL_ERROR, ASL_MSG_STRING_LENGTH, Field, MsgBuffer); |
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244 | Length = ByteLength; |
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245 | } |
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246 | |||
247 | ACPI_MEMCPY (Buffer, Field->Value, Length); |
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248 | } |
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249 | |||
250 | |||
251 | /****************************************************************************** |
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252 | * |
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2216 | Serge | 253 | * FUNCTION: DtCompileUnicode |
254 | * |
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255 | * PARAMETERS: Buffer - Output buffer |
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256 | * Field - String to be copied to buffer |
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257 | * ByteLength - Maximum length of string |
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258 | * |
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259 | * RETURN: None |
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260 | * |
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261 | * DESCRIPTION: Convert ASCII string to Unicode string |
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262 | * |
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263 | * Note: The Unicode string is 16 bits per character, no leading signature, |
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264 | * with a 16-bit terminating NULL. |
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265 | * |
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266 | *****************************************************************************/ |
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267 | |||
268 | static void |
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269 | DtCompileUnicode ( |
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270 | UINT8 *Buffer, |
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271 | DT_FIELD *Field, |
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272 | UINT32 ByteLength) |
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273 | { |
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274 | UINT32 Count; |
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275 | UINT32 i; |
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276 | char *AsciiString; |
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277 | UINT16 *UnicodeString; |
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278 | |||
279 | |||
280 | AsciiString = Field->Value; |
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281 | UnicodeString = (UINT16 *) Buffer; |
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282 | Count = ACPI_STRLEN (AsciiString) + 1; |
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283 | |||
284 | /* Convert to Unicode string (including null terminator) */ |
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285 | |||
286 | for (i = 0; i < Count; i++) |
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287 | { |
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288 | UnicodeString[i] = (UINT16) AsciiString[i]; |
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289 | } |
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290 | } |
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291 | |||
292 | |||
293 | /******************************************************************************* |
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294 | * |
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295 | * FUNCTION: DtCompileUuid |
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296 | * |
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297 | * PARAMETERS: Buffer - Output buffer |
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298 | * Field - String to be copied to buffer |
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299 | * ByteLength - Maximum length of string |
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300 | * |
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301 | * RETURN: None |
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302 | * |
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303 | * DESCRIPTION: Convert UUID string to 16-byte buffer |
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304 | * |
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305 | ******************************************************************************/ |
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306 | |||
307 | static ACPI_STATUS |
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308 | DtCompileUuid ( |
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309 | UINT8 *Buffer, |
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310 | DT_FIELD *Field, |
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311 | UINT32 ByteLength) |
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312 | { |
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313 | char *InString; |
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314 | ACPI_STATUS Status; |
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315 | |||
316 | |||
317 | InString = Field->Value; |
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318 | |||
319 | Status = AuValidateUuid (InString); |
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320 | if (ACPI_FAILURE (Status)) |
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321 | { |
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322 | sprintf (MsgBuffer, "%s", Field->Value); |
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323 | DtNameError (ASL_ERROR, ASL_MSG_INVALID_UUID, Field, MsgBuffer); |
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324 | } |
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325 | else |
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326 | { |
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327 | Status = AuConvertStringToUuid (InString, (char *) Buffer); |
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328 | } |
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329 | |||
330 | return (Status); |
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331 | } |
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332 | |||
333 | |||
334 | /****************************************************************************** |
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335 | * |
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1498 | serge | 336 | * FUNCTION: DtCompileInteger |
337 | * |
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338 | * PARAMETERS: Buffer - Output buffer |
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339 | * Field - Field obj with Integer to be compiled |
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340 | * ByteLength - Byte length of the integer |
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2216 | Serge | 341 | * Flags - Additional compile info |
1498 | serge | 342 | * |
343 | * RETURN: None |
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344 | * |
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2216 | Serge | 345 | * DESCRIPTION: Compile an integer. Supports integer expressions with C-style |
346 | * operators. |
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1498 | serge | 347 | * |
348 | *****************************************************************************/ |
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349 | |||
350 | void |
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351 | DtCompileInteger ( |
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352 | UINT8 *Buffer, |
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353 | DT_FIELD *Field, |
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354 | UINT32 ByteLength, |
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355 | UINT8 Flags) |
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356 | { |
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2216 | Serge | 357 | UINT64 Value; |
1498 | serge | 358 | UINT64 MaxValue; |
359 | ACPI_STATUS Status; |
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360 | |||
361 | |||
2216 | Serge | 362 | /* Output buffer byte length must be in range 1-8 */ |
1498 | serge | 363 | |
364 | if ((ByteLength > 8) || (ByteLength == 0)) |
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365 | { |
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366 | DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, |
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367 | "Invalid internal Byte length"); |
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368 | return; |
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369 | } |
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370 | |||
2216 | Serge | 371 | /* Resolve integer expression to a single integer value */ |
1498 | serge | 372 | |
2216 | Serge | 373 | Status = DtResolveIntegerExpression (Field, &Value); |
1498 | serge | 374 | if (ACPI_FAILURE (Status)) |
375 | { |
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2216 | Serge | 376 | return; |
1498 | serge | 377 | } |
378 | |||
379 | /* Ensure that reserved fields are set to zero */ |
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380 | /* TBD: should we set to zero, or just make this an ERROR? */ |
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381 | /* TBD: Probably better to use a flag */ |
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382 | |||
383 | if (!ACPI_STRCMP (Field->Name, "Reserved") && |
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384 | (Value != 0)) |
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385 | { |
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386 | DtError (ASL_WARNING, ASL_MSG_RESERVED_VALUE, Field, |
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387 | "Setting to zero"); |
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388 | Value = 0; |
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389 | } |
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390 | |||
391 | /* Check if the value must be non-zero */ |
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392 | |||
393 | if ((Value == 0) && (Flags & DT_NON_ZERO)) |
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394 | { |
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395 | DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, Field, NULL); |
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396 | } |
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397 | |||
398 | /* |
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399 | * Generate the maximum value for the data type (ByteLength) |
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400 | * Note: construct chosen for maximum portability |
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401 | */ |
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402 | MaxValue = ((UINT64) (-1)) >> (64 - (ByteLength * 8)); |
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403 | |||
404 | /* Validate that the input value is within range of the target */ |
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405 | |||
406 | if (Value > MaxValue) |
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407 | { |
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2216 | Serge | 408 | sprintf (MsgBuffer, "%8.8X%8.8X", ACPI_FORMAT_UINT64 (Value)); |
1498 | serge | 409 | DtError (ASL_ERROR, ASL_MSG_INTEGER_SIZE, Field, MsgBuffer); |
410 | } |
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411 | |||
412 | ACPI_MEMCPY (Buffer, &Value, ByteLength); |
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413 | return; |
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414 | } |
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415 | |||
416 | |||
417 | /****************************************************************************** |
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418 | * |
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2216 | Serge | 419 | * FUNCTION: DtNormalizeBuffer |
1498 | serge | 420 | * |
2216 | Serge | 421 | * PARAMETERS: Buffer - Input buffer |
422 | * Count - Output the count of hex number in |
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423 | * the Buffer |
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1498 | serge | 424 | * |
2216 | Serge | 425 | * RETURN: The normalized buffer, freed by caller |
1498 | serge | 426 | * |
2216 | Serge | 427 | * DESCRIPTION: [1A,2B,3C,4D] or 1A, 2B, 3C, 4D will be normalized |
428 | * to 1A 2B 3C 4D |
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1498 | serge | 429 | * |
430 | *****************************************************************************/ |
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431 | |||
432 | static char * |
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2216 | Serge | 433 | DtNormalizeBuffer ( |
434 | char *Buffer, |
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435 | UINT32 *Count) |
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1498 | serge | 436 | { |
2216 | Serge | 437 | char *NewBuffer; |
438 | char *TmpBuffer; |
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439 | UINT32 BufferCount = 0; |
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440 | BOOLEAN Separator = TRUE; |
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441 | char c; |
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1498 | serge | 442 | |
443 | |||
2216 | Serge | 444 | NewBuffer = UtLocalCalloc (ACPI_STRLEN (Buffer) + 1); |
445 | TmpBuffer = NewBuffer; |
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1498 | serge | 446 | |
2216 | Serge | 447 | while ((c = *Buffer++)) |
448 | { |
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449 | switch (c) |
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450 | { |
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451 | /* Valid separators */ |
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1498 | serge | 452 | |
2216 | Serge | 453 | case '[': |
454 | case ']': |
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455 | case ' ': |
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456 | case ',': |
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457 | Separator = TRUE; |
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458 | break; |
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459 | |||
460 | default: |
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461 | if (Separator) |
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462 | { |
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463 | /* Insert blank as the standard separator */ |
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464 | |||
465 | if (NewBuffer[0]) |
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466 | { |
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467 | *TmpBuffer++ = ' '; |
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468 | BufferCount++; |
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469 | } |
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470 | |||
471 | Separator = FALSE; |
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472 | } |
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473 | |||
474 | *TmpBuffer++ = c; |
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475 | break; |
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476 | } |
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477 | } |
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478 | |||
479 | *Count = BufferCount + 1; |
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480 | return (NewBuffer); |
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1498 | serge | 481 | } |
482 | |||
483 | |||
484 | /****************************************************************************** |
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485 | * |
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486 | * FUNCTION: DtCompileBuffer |
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487 | * |
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488 | * PARAMETERS: Buffer - Output buffer |
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489 | * StringValue - Integer list to be compiled |
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490 | * Field - Current field object |
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491 | * ByteLength - Byte length of the integer list |
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492 | * |
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493 | * RETURN: Count of remaining data in the input list |
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494 | * |
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495 | * DESCRIPTION: Compile and pack an integer list, for example |
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496 | * "AA 1F 20 3B" ==> Buffer[] = {0xAA,0x1F,0x20,0x3B} |
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497 | * |
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498 | *****************************************************************************/ |
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499 | |||
500 | UINT32 |
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501 | DtCompileBuffer ( |
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502 | UINT8 *Buffer, |
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503 | char *StringValue, |
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504 | DT_FIELD *Field, |
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505 | UINT32 ByteLength) |
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506 | { |
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507 | ACPI_STATUS Status; |
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508 | char Hex[3]; |
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509 | UINT64 Value; |
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510 | UINT32 i; |
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511 | UINT32 Count; |
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512 | |||
513 | |||
2216 | Serge | 514 | /* Allow several different types of value separators */ |
1498 | serge | 515 | |
2216 | Serge | 516 | StringValue = DtNormalizeBuffer (StringValue, &Count); |
517 | |||
1498 | serge | 518 | Hex[2] = 0; |
519 | for (i = 0; i < Count; i++) |
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520 | { |
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2216 | Serge | 521 | /* Each element of StringValue is three chars */ |
1498 | serge | 522 | |
2216 | Serge | 523 | Hex[0] = StringValue[(3 * i)]; |
524 | Hex[1] = StringValue[(3 * i) + 1]; |
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525 | |||
1498 | serge | 526 | /* Convert one hex byte */ |
527 | |||
528 | Value = 0; |
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529 | Status = DtStrtoul64 (Hex, &Value); |
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530 | if (ACPI_FAILURE (Status)) |
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531 | { |
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532 | DtError (ASL_ERROR, ASL_MSG_BUFFER_ELEMENT, Field, MsgBuffer); |
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533 | return (ByteLength - Count); |
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534 | } |
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535 | |||
536 | Buffer[i] = (UINT8) Value; |
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537 | } |
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538 | |||
2216 | Serge | 539 | ACPI_FREE (StringValue); |
1498 | serge | 540 | return (ByteLength - Count); |
541 | } |
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542 | |||
543 | |||
544 | /****************************************************************************** |
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545 | * |
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546 | * FUNCTION: DtCompileFlag |
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547 | * |
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548 | * PARAMETERS: Buffer - Output buffer |
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549 | * Field - Field to be compiled |
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550 | * Info - Flag info |
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551 | * |
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2216 | Serge | 552 | * RETURN: |
1498 | serge | 553 | * |
554 | * DESCRIPTION: Compile a flag |
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555 | * |
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556 | *****************************************************************************/ |
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557 | |||
2216 | Serge | 558 | void |
1498 | serge | 559 | DtCompileFlag ( |
560 | UINT8 *Buffer, |
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561 | DT_FIELD *Field, |
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2216 | Serge | 562 | ACPI_DMTABLE_INFO *Info) |
1498 | serge | 563 | { |
564 | UINT64 Value = 0; |
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565 | UINT32 BitLength = 1; |
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2216 | Serge | 566 | UINT8 BitPosition = 0; |
1498 | serge | 567 | ACPI_STATUS Status; |
568 | |||
569 | |||
570 | Status = DtStrtoul64 (Field->Value, &Value); |
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571 | if (ACPI_FAILURE (Status)) |
||
572 | { |
||
573 | DtError (ASL_ERROR, ASL_MSG_INVALID_HEX_INTEGER, Field, NULL); |
||
574 | } |
||
575 | |||
576 | switch (Info->Opcode) |
||
577 | { |
||
578 | case ACPI_DMT_FLAG0: |
||
579 | case ACPI_DMT_FLAG1: |
||
580 | case ACPI_DMT_FLAG2: |
||
581 | case ACPI_DMT_FLAG3: |
||
582 | case ACPI_DMT_FLAG4: |
||
583 | case ACPI_DMT_FLAG5: |
||
584 | case ACPI_DMT_FLAG6: |
||
585 | case ACPI_DMT_FLAG7: |
||
586 | |||
2216 | Serge | 587 | BitPosition = Info->Opcode; |
1498 | serge | 588 | BitLength = 1; |
589 | break; |
||
590 | |||
591 | case ACPI_DMT_FLAGS0: |
||
2216 | Serge | 592 | |
593 | BitPosition = 0; |
||
594 | BitLength = 2; |
||
595 | break; |
||
596 | |||
597 | |||
1498 | serge | 598 | case ACPI_DMT_FLAGS2: |
599 | |||
2216 | Serge | 600 | BitPosition = 2; |
1498 | serge | 601 | BitLength = 2; |
602 | break; |
||
603 | |||
604 | default: |
||
605 | |||
606 | DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid flag opcode"); |
||
607 | break; |
||
608 | } |
||
609 | |||
610 | /* Check range of the input flag value */ |
||
611 | |||
612 | if (Value >= ((UINT64) 1 << BitLength)) |
||
613 | { |
||
614 | sprintf (MsgBuffer, "Maximum %u bit", BitLength); |
||
615 | DtError (ASL_ERROR, ASL_MSG_FLAG_VALUE, Field, MsgBuffer); |
||
616 | Value = 0; |
||
617 | } |
||
618 | |||
2216 | Serge | 619 | *Buffer |= (UINT8) (Value << BitPosition); |
1498 | serge | 620 | }><>><>>> |