nsrepair.c revision 1.1.1.2.4.2
1 1.1.1.2.4.2 rmind /****************************************************************************** 2 1.1.1.2.4.2 rmind * 3 1.1.1.2.4.2 rmind * Module Name: nsrepair - Repair for objects returned by predefined methods 4 1.1.1.2.4.2 rmind * 5 1.1.1.2.4.2 rmind *****************************************************************************/ 6 1.1.1.2.4.2 rmind 7 1.1.1.2.4.2 rmind /* 8 1.1.1.2.4.2 rmind * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.4.2 rmind * All rights reserved. 10 1.1.1.2.4.2 rmind * 11 1.1.1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.4.2 rmind * modification, are permitted provided that the following conditions 13 1.1.1.2.4.2 rmind * are met: 14 1.1.1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.4.2 rmind * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.4.2 rmind * without modification. 17 1.1.1.2.4.2 rmind * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.4.2 rmind * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.4.2 rmind * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.4.2 rmind * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.4.2 rmind * binary redistribution. 22 1.1.1.2.4.2 rmind * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.4.2 rmind * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.4.2 rmind * from this software without specific prior written permission. 25 1.1.1.2.4.2 rmind * 26 1.1.1.2.4.2 rmind * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.4.2 rmind * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.4.2 rmind * Software Foundation. 29 1.1.1.2.4.2 rmind * 30 1.1.1.2.4.2 rmind * NO WARRANTY 31 1.1.1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.4.2 rmind * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.4.2 rmind * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.4.2 rmind * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.4.2 rmind * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.4.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.4.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.4.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.4.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.4.2 rmind * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.4.2 rmind * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.4.2 rmind */ 43 1.1.1.2.4.2 rmind 44 1.1.1.2.4.2 rmind #define __NSREPAIR_C__ 45 1.1.1.2.4.2 rmind 46 1.1.1.2.4.2 rmind #include "acpi.h" 47 1.1.1.2.4.2 rmind #include "accommon.h" 48 1.1.1.2.4.2 rmind #include "acnamesp.h" 49 1.1.1.2.4.2 rmind #include "acinterp.h" 50 1.1.1.2.4.2 rmind #include "acpredef.h" 51 1.1.1.2.4.2 rmind 52 1.1.1.2.4.2 rmind #define _COMPONENT ACPI_NAMESPACE 53 1.1.1.2.4.2 rmind ACPI_MODULE_NAME ("nsrepair") 54 1.1.1.2.4.2 rmind 55 1.1.1.2.4.2 rmind 56 1.1.1.2.4.2 rmind /******************************************************************************* 57 1.1.1.2.4.2 rmind * 58 1.1.1.2.4.2 rmind * This module attempts to repair or convert objects returned by the 59 1.1.1.2.4.2 rmind * predefined methods to an object type that is expected, as per the ACPI 60 1.1.1.2.4.2 rmind * specification. The need for this code is dictated by the many machines that 61 1.1.1.2.4.2 rmind * return incorrect types for the standard predefined methods. Performing these 62 1.1.1.2.4.2 rmind * conversions here, in one place, eliminates the need for individual ACPI 63 1.1.1.2.4.2 rmind * device drivers to do the same. Note: Most of these conversions are different 64 1.1.1.2.4.2 rmind * than the internal object conversion routines used for implicit object 65 1.1.1.2.4.2 rmind * conversion. 66 1.1.1.2.4.2 rmind * 67 1.1.1.2.4.2 rmind * The following conversions can be performed as necessary: 68 1.1.1.2.4.2 rmind * 69 1.1.1.2.4.2 rmind * Integer -> String 70 1.1.1.2.4.2 rmind * Integer -> Buffer 71 1.1.1.2.4.2 rmind * String -> Integer 72 1.1.1.2.4.2 rmind * String -> Buffer 73 1.1.1.2.4.2 rmind * Buffer -> Integer 74 1.1.1.2.4.2 rmind * Buffer -> String 75 1.1.1.2.4.2 rmind * Buffer -> Package of Integers 76 1.1.1.2.4.2 rmind * Package -> Package of one Package 77 1.1.1.2.4.2 rmind * 78 1.1.1.2.4.2 rmind * Additional possible repairs: 79 1.1.1.2.4.2 rmind * 80 1.1.1.2.4.2 rmind * Optional/unnecessary NULL package elements removed 81 1.1.1.2.4.2 rmind * Required package elements that are NULL replaced by Integer/String/Buffer 82 1.1.1.2.4.2 rmind * Incorrect standalone package wrapped with required outer package 83 1.1.1.2.4.2 rmind * 84 1.1.1.2.4.2 rmind ******************************************************************************/ 85 1.1.1.2.4.2 rmind 86 1.1.1.2.4.2 rmind 87 1.1.1.2.4.2 rmind /* Local prototypes */ 88 1.1.1.2.4.2 rmind 89 1.1.1.2.4.2 rmind static ACPI_STATUS 90 1.1.1.2.4.2 rmind AcpiNsConvertToInteger ( 91 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 92 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject); 93 1.1.1.2.4.2 rmind 94 1.1.1.2.4.2 rmind static ACPI_STATUS 95 1.1.1.2.4.2 rmind AcpiNsConvertToString ( 96 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 97 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject); 98 1.1.1.2.4.2 rmind 99 1.1.1.2.4.2 rmind static ACPI_STATUS 100 1.1.1.2.4.2 rmind AcpiNsConvertToBuffer ( 101 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 102 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject); 103 1.1.1.2.4.2 rmind 104 1.1.1.2.4.2 rmind static ACPI_STATUS 105 1.1.1.2.4.2 rmind AcpiNsConvertToPackage ( 106 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 107 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject); 108 1.1.1.2.4.2 rmind 109 1.1.1.2.4.2 rmind 110 1.1.1.2.4.2 rmind /******************************************************************************* 111 1.1.1.2.4.2 rmind * 112 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsRepairObject 113 1.1.1.2.4.2 rmind * 114 1.1.1.2.4.2 rmind * PARAMETERS: Data - Pointer to validation data structure 115 1.1.1.2.4.2 rmind * ExpectedBtypes - Object types expected 116 1.1.1.2.4.2 rmind * PackageIndex - Index of object within parent package (if 117 1.1.1.2.4.2 rmind * applicable - ACPI_NOT_PACKAGE_ELEMENT 118 1.1.1.2.4.2 rmind * otherwise) 119 1.1.1.2.4.2 rmind * ReturnObjectPtr - Pointer to the object returned from the 120 1.1.1.2.4.2 rmind * evaluation of a method or object 121 1.1.1.2.4.2 rmind * 122 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if repair was successful. 123 1.1.1.2.4.2 rmind * 124 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to repair/convert a return object of a type that was 125 1.1.1.2.4.2 rmind * not expected. 126 1.1.1.2.4.2 rmind * 127 1.1.1.2.4.2 rmind ******************************************************************************/ 128 1.1.1.2.4.2 rmind 129 1.1.1.2.4.2 rmind ACPI_STATUS 130 1.1.1.2.4.2 rmind AcpiNsRepairObject ( 131 1.1.1.2.4.2 rmind ACPI_PREDEFINED_DATA *Data, 132 1.1.1.2.4.2 rmind UINT32 ExpectedBtypes, 133 1.1.1.2.4.2 rmind UINT32 PackageIndex, 134 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObjectPtr) 135 1.1.1.2.4.2 rmind { 136 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr; 137 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 138 1.1.1.2.4.2 rmind ACPI_STATUS Status; 139 1.1.1.2.4.2 rmind 140 1.1.1.2.4.2 rmind 141 1.1.1.2.4.2 rmind ACPI_FUNCTION_NAME (NsRepairObject); 142 1.1.1.2.4.2 rmind 143 1.1.1.2.4.2 rmind 144 1.1.1.2.4.2 rmind /* 145 1.1.1.2.4.2 rmind * At this point, we know that the type of the returned object was not 146 1.1.1.2.4.2 rmind * one of the expected types for this predefined name. Attempt to 147 1.1.1.2.4.2 rmind * repair the object by converting it to one of the expected object 148 1.1.1.2.4.2 rmind * types for this predefined name. 149 1.1.1.2.4.2 rmind */ 150 1.1.1.2.4.2 rmind if (ExpectedBtypes & ACPI_RTYPE_INTEGER) 151 1.1.1.2.4.2 rmind { 152 1.1.1.2.4.2 rmind Status = AcpiNsConvertToInteger (ReturnObject, &NewObject); 153 1.1.1.2.4.2 rmind if (ACPI_SUCCESS (Status)) 154 1.1.1.2.4.2 rmind { 155 1.1.1.2.4.2 rmind goto ObjectRepaired; 156 1.1.1.2.4.2 rmind } 157 1.1.1.2.4.2 rmind } 158 1.1.1.2.4.2 rmind if (ExpectedBtypes & ACPI_RTYPE_STRING) 159 1.1.1.2.4.2 rmind { 160 1.1.1.2.4.2 rmind Status = AcpiNsConvertToString (ReturnObject, &NewObject); 161 1.1.1.2.4.2 rmind if (ACPI_SUCCESS (Status)) 162 1.1.1.2.4.2 rmind { 163 1.1.1.2.4.2 rmind goto ObjectRepaired; 164 1.1.1.2.4.2 rmind } 165 1.1.1.2.4.2 rmind } 166 1.1.1.2.4.2 rmind if (ExpectedBtypes & ACPI_RTYPE_BUFFER) 167 1.1.1.2.4.2 rmind { 168 1.1.1.2.4.2 rmind Status = AcpiNsConvertToBuffer (ReturnObject, &NewObject); 169 1.1.1.2.4.2 rmind if (ACPI_SUCCESS (Status)) 170 1.1.1.2.4.2 rmind { 171 1.1.1.2.4.2 rmind goto ObjectRepaired; 172 1.1.1.2.4.2 rmind } 173 1.1.1.2.4.2 rmind } 174 1.1.1.2.4.2 rmind if (ExpectedBtypes & ACPI_RTYPE_PACKAGE) 175 1.1.1.2.4.2 rmind { 176 1.1.1.2.4.2 rmind Status = AcpiNsConvertToPackage (ReturnObject, &NewObject); 177 1.1.1.2.4.2 rmind if (ACPI_SUCCESS (Status)) 178 1.1.1.2.4.2 rmind { 179 1.1.1.2.4.2 rmind goto ObjectRepaired; 180 1.1.1.2.4.2 rmind } 181 1.1.1.2.4.2 rmind } 182 1.1.1.2.4.2 rmind 183 1.1.1.2.4.2 rmind /* We cannot repair this object */ 184 1.1.1.2.4.2 rmind 185 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 186 1.1.1.2.4.2 rmind 187 1.1.1.2.4.2 rmind 188 1.1.1.2.4.2 rmind ObjectRepaired: 189 1.1.1.2.4.2 rmind 190 1.1.1.2.4.2 rmind /* Object was successfully repaired */ 191 1.1.1.2.4.2 rmind 192 1.1.1.2.4.2 rmind /* 193 1.1.1.2.4.2 rmind * If the original object is a package element, we need to: 194 1.1.1.2.4.2 rmind * 1. Set the reference count of the new object to match the 195 1.1.1.2.4.2 rmind * reference count of the old object. 196 1.1.1.2.4.2 rmind * 2. Decrement the reference count of the original object. 197 1.1.1.2.4.2 rmind */ 198 1.1.1.2.4.2 rmind if (PackageIndex != ACPI_NOT_PACKAGE_ELEMENT) 199 1.1.1.2.4.2 rmind { 200 1.1.1.2.4.2 rmind NewObject->Common.ReferenceCount = 201 1.1.1.2.4.2 rmind ReturnObject->Common.ReferenceCount; 202 1.1.1.2.4.2 rmind 203 1.1.1.2.4.2 rmind if (ReturnObject->Common.ReferenceCount > 1) 204 1.1.1.2.4.2 rmind { 205 1.1.1.2.4.2 rmind ReturnObject->Common.ReferenceCount--; 206 1.1.1.2.4.2 rmind } 207 1.1.1.2.4.2 rmind 208 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR, 209 1.1.1.2.4.2 rmind "%s: Converted %s to expected %s at index %u\n", 210 1.1.1.2.4.2 rmind Data->Pathname, AcpiUtGetObjectTypeName (ReturnObject), 211 1.1.1.2.4.2 rmind AcpiUtGetObjectTypeName (NewObject), PackageIndex)); 212 1.1.1.2.4.2 rmind } 213 1.1.1.2.4.2 rmind else 214 1.1.1.2.4.2 rmind { 215 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR, 216 1.1.1.2.4.2 rmind "%s: Converted %s to expected %s\n", 217 1.1.1.2.4.2 rmind Data->Pathname, AcpiUtGetObjectTypeName (ReturnObject), 218 1.1.1.2.4.2 rmind AcpiUtGetObjectTypeName (NewObject))); 219 1.1.1.2.4.2 rmind } 220 1.1.1.2.4.2 rmind 221 1.1.1.2.4.2 rmind /* Delete old object, install the new return object */ 222 1.1.1.2.4.2 rmind 223 1.1.1.2.4.2 rmind AcpiUtRemoveReference (ReturnObject); 224 1.1.1.2.4.2 rmind *ReturnObjectPtr = NewObject; 225 1.1.1.2.4.2 rmind Data->Flags |= ACPI_OBJECT_REPAIRED; 226 1.1.1.2.4.2 rmind return (AE_OK); 227 1.1.1.2.4.2 rmind } 228 1.1.1.2.4.2 rmind 229 1.1.1.2.4.2 rmind 230 1.1.1.2.4.2 rmind /******************************************************************************* 231 1.1.1.2.4.2 rmind * 232 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsConvertToInteger 233 1.1.1.2.4.2 rmind * 234 1.1.1.2.4.2 rmind * PARAMETERS: OriginalObject - Object to be converted 235 1.1.1.2.4.2 rmind * ReturnObject - Where the new converted object is returned 236 1.1.1.2.4.2 rmind * 237 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if conversion was successful. 238 1.1.1.2.4.2 rmind * 239 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to convert a String/Buffer object to an Integer. 240 1.1.1.2.4.2 rmind * 241 1.1.1.2.4.2 rmind ******************************************************************************/ 242 1.1.1.2.4.2 rmind 243 1.1.1.2.4.2 rmind static ACPI_STATUS 244 1.1.1.2.4.2 rmind AcpiNsConvertToInteger ( 245 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 246 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject) 247 1.1.1.2.4.2 rmind { 248 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 249 1.1.1.2.4.2 rmind ACPI_STATUS Status; 250 1.1.1.2.4.2 rmind UINT64 Value = 0; 251 1.1.1.2.4.2 rmind UINT32 i; 252 1.1.1.2.4.2 rmind 253 1.1.1.2.4.2 rmind 254 1.1.1.2.4.2 rmind switch (OriginalObject->Common.Type) 255 1.1.1.2.4.2 rmind { 256 1.1.1.2.4.2 rmind case ACPI_TYPE_STRING: 257 1.1.1.2.4.2 rmind 258 1.1.1.2.4.2 rmind /* String-to-Integer conversion */ 259 1.1.1.2.4.2 rmind 260 1.1.1.2.4.2 rmind Status = AcpiUtStrtoul64 (OriginalObject->String.Pointer, 261 1.1.1.2.4.2 rmind ACPI_ANY_BASE, &Value); 262 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 263 1.1.1.2.4.2 rmind { 264 1.1.1.2.4.2 rmind return (Status); 265 1.1.1.2.4.2 rmind } 266 1.1.1.2.4.2 rmind break; 267 1.1.1.2.4.2 rmind 268 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER: 269 1.1.1.2.4.2 rmind 270 1.1.1.2.4.2 rmind /* Buffer-to-Integer conversion. Max buffer size is 64 bits. */ 271 1.1.1.2.4.2 rmind 272 1.1.1.2.4.2 rmind if (OriginalObject->Buffer.Length > 8) 273 1.1.1.2.4.2 rmind { 274 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 275 1.1.1.2.4.2 rmind } 276 1.1.1.2.4.2 rmind 277 1.1.1.2.4.2 rmind /* Extract each buffer byte to create the integer */ 278 1.1.1.2.4.2 rmind 279 1.1.1.2.4.2 rmind for (i = 0; i < OriginalObject->Buffer.Length; i++) 280 1.1.1.2.4.2 rmind { 281 1.1.1.2.4.2 rmind Value |= ((UINT64) OriginalObject->Buffer.Pointer[i] << (i * 8)); 282 1.1.1.2.4.2 rmind } 283 1.1.1.2.4.2 rmind break; 284 1.1.1.2.4.2 rmind 285 1.1.1.2.4.2 rmind default: 286 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 287 1.1.1.2.4.2 rmind } 288 1.1.1.2.4.2 rmind 289 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateIntegerObject (Value); 290 1.1.1.2.4.2 rmind if (!NewObject) 291 1.1.1.2.4.2 rmind { 292 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 293 1.1.1.2.4.2 rmind } 294 1.1.1.2.4.2 rmind 295 1.1.1.2.4.2 rmind *ReturnObject = NewObject; 296 1.1.1.2.4.2 rmind return (AE_OK); 297 1.1.1.2.4.2 rmind } 298 1.1.1.2.4.2 rmind 299 1.1.1.2.4.2 rmind 300 1.1.1.2.4.2 rmind /******************************************************************************* 301 1.1.1.2.4.2 rmind * 302 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsConvertToString 303 1.1.1.2.4.2 rmind * 304 1.1.1.2.4.2 rmind * PARAMETERS: OriginalObject - Object to be converted 305 1.1.1.2.4.2 rmind * ReturnObject - Where the new converted object is returned 306 1.1.1.2.4.2 rmind * 307 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if conversion was successful. 308 1.1.1.2.4.2 rmind * 309 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to convert a Integer/Buffer object to a String. 310 1.1.1.2.4.2 rmind * 311 1.1.1.2.4.2 rmind ******************************************************************************/ 312 1.1.1.2.4.2 rmind 313 1.1.1.2.4.2 rmind static ACPI_STATUS 314 1.1.1.2.4.2 rmind AcpiNsConvertToString ( 315 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 316 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject) 317 1.1.1.2.4.2 rmind { 318 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 319 1.1.1.2.4.2 rmind ACPI_SIZE Length; 320 1.1.1.2.4.2 rmind ACPI_STATUS Status; 321 1.1.1.2.4.2 rmind 322 1.1.1.2.4.2 rmind 323 1.1.1.2.4.2 rmind switch (OriginalObject->Common.Type) 324 1.1.1.2.4.2 rmind { 325 1.1.1.2.4.2 rmind case ACPI_TYPE_INTEGER: 326 1.1.1.2.4.2 rmind /* 327 1.1.1.2.4.2 rmind * Integer-to-String conversion. Commonly, convert 328 1.1.1.2.4.2 rmind * an integer of value 0 to a NULL string. The last element of 329 1.1.1.2.4.2 rmind * _BIF and _BIX packages occasionally need this fix. 330 1.1.1.2.4.2 rmind */ 331 1.1.1.2.4.2 rmind if (OriginalObject->Integer.Value == 0) 332 1.1.1.2.4.2 rmind { 333 1.1.1.2.4.2 rmind /* Allocate a new NULL string object */ 334 1.1.1.2.4.2 rmind 335 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateStringObject (0); 336 1.1.1.2.4.2 rmind if (!NewObject) 337 1.1.1.2.4.2 rmind { 338 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 339 1.1.1.2.4.2 rmind } 340 1.1.1.2.4.2 rmind } 341 1.1.1.2.4.2 rmind else 342 1.1.1.2.4.2 rmind { 343 1.1.1.2.4.2 rmind Status = AcpiExConvertToString (OriginalObject, &NewObject, 344 1.1.1.2.4.2 rmind ACPI_IMPLICIT_CONVERT_HEX); 345 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 346 1.1.1.2.4.2 rmind { 347 1.1.1.2.4.2 rmind return (Status); 348 1.1.1.2.4.2 rmind } 349 1.1.1.2.4.2 rmind } 350 1.1.1.2.4.2 rmind break; 351 1.1.1.2.4.2 rmind 352 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER: 353 1.1.1.2.4.2 rmind /* 354 1.1.1.2.4.2 rmind * Buffer-to-String conversion. Use a ToString 355 1.1.1.2.4.2 rmind * conversion, no transform performed on the buffer data. The best 356 1.1.1.2.4.2 rmind * example of this is the _BIF method, where the string data from 357 1.1.1.2.4.2 rmind * the battery is often (incorrectly) returned as buffer object(s). 358 1.1.1.2.4.2 rmind */ 359 1.1.1.2.4.2 rmind Length = 0; 360 1.1.1.2.4.2 rmind while ((Length < OriginalObject->Buffer.Length) && 361 1.1.1.2.4.2 rmind (OriginalObject->Buffer.Pointer[Length])) 362 1.1.1.2.4.2 rmind { 363 1.1.1.2.4.2 rmind Length++; 364 1.1.1.2.4.2 rmind } 365 1.1.1.2.4.2 rmind 366 1.1.1.2.4.2 rmind /* Allocate a new string object */ 367 1.1.1.2.4.2 rmind 368 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateStringObject (Length); 369 1.1.1.2.4.2 rmind if (!NewObject) 370 1.1.1.2.4.2 rmind { 371 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 372 1.1.1.2.4.2 rmind } 373 1.1.1.2.4.2 rmind 374 1.1.1.2.4.2 rmind /* 375 1.1.1.2.4.2 rmind * Copy the raw buffer data with no transform. String is already NULL 376 1.1.1.2.4.2 rmind * terminated at Length+1. 377 1.1.1.2.4.2 rmind */ 378 1.1.1.2.4.2 rmind ACPI_MEMCPY (NewObject->String.Pointer, 379 1.1.1.2.4.2 rmind OriginalObject->Buffer.Pointer, Length); 380 1.1.1.2.4.2 rmind break; 381 1.1.1.2.4.2 rmind 382 1.1.1.2.4.2 rmind default: 383 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 384 1.1.1.2.4.2 rmind } 385 1.1.1.2.4.2 rmind 386 1.1.1.2.4.2 rmind *ReturnObject = NewObject; 387 1.1.1.2.4.2 rmind return (AE_OK); 388 1.1.1.2.4.2 rmind } 389 1.1.1.2.4.2 rmind 390 1.1.1.2.4.2 rmind 391 1.1.1.2.4.2 rmind /******************************************************************************* 392 1.1.1.2.4.2 rmind * 393 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsConvertToBuffer 394 1.1.1.2.4.2 rmind * 395 1.1.1.2.4.2 rmind * PARAMETERS: OriginalObject - Object to be converted 396 1.1.1.2.4.2 rmind * ReturnObject - Where the new converted object is returned 397 1.1.1.2.4.2 rmind * 398 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if conversion was successful. 399 1.1.1.2.4.2 rmind * 400 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to convert a Integer/String/Package object to a Buffer. 401 1.1.1.2.4.2 rmind * 402 1.1.1.2.4.2 rmind ******************************************************************************/ 403 1.1.1.2.4.2 rmind 404 1.1.1.2.4.2 rmind static ACPI_STATUS 405 1.1.1.2.4.2 rmind AcpiNsConvertToBuffer ( 406 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 407 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject) 408 1.1.1.2.4.2 rmind { 409 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 410 1.1.1.2.4.2 rmind ACPI_STATUS Status; 411 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Elements; 412 1.1.1.2.4.2 rmind UINT32 *DwordBuffer; 413 1.1.1.2.4.2 rmind UINT32 Count; 414 1.1.1.2.4.2 rmind UINT32 i; 415 1.1.1.2.4.2 rmind 416 1.1.1.2.4.2 rmind 417 1.1.1.2.4.2 rmind switch (OriginalObject->Common.Type) 418 1.1.1.2.4.2 rmind { 419 1.1.1.2.4.2 rmind case ACPI_TYPE_INTEGER: 420 1.1.1.2.4.2 rmind /* 421 1.1.1.2.4.2 rmind * Integer-to-Buffer conversion. 422 1.1.1.2.4.2 rmind * Convert the Integer to a packed-byte buffer. _MAT and other 423 1.1.1.2.4.2 rmind * objects need this sometimes, if a read has been performed on a 424 1.1.1.2.4.2 rmind * Field object that is less than or equal to the global integer 425 1.1.1.2.4.2 rmind * size (32 or 64 bits). 426 1.1.1.2.4.2 rmind */ 427 1.1.1.2.4.2 rmind Status = AcpiExConvertToBuffer (OriginalObject, &NewObject); 428 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 429 1.1.1.2.4.2 rmind { 430 1.1.1.2.4.2 rmind return (Status); 431 1.1.1.2.4.2 rmind } 432 1.1.1.2.4.2 rmind break; 433 1.1.1.2.4.2 rmind 434 1.1.1.2.4.2 rmind case ACPI_TYPE_STRING: 435 1.1.1.2.4.2 rmind 436 1.1.1.2.4.2 rmind /* String-to-Buffer conversion. Simple data copy */ 437 1.1.1.2.4.2 rmind 438 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateBufferObject (OriginalObject->String.Length); 439 1.1.1.2.4.2 rmind if (!NewObject) 440 1.1.1.2.4.2 rmind { 441 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 442 1.1.1.2.4.2 rmind } 443 1.1.1.2.4.2 rmind 444 1.1.1.2.4.2 rmind ACPI_MEMCPY (NewObject->Buffer.Pointer, 445 1.1.1.2.4.2 rmind OriginalObject->String.Pointer, OriginalObject->String.Length); 446 1.1.1.2.4.2 rmind break; 447 1.1.1.2.4.2 rmind 448 1.1.1.2.4.2 rmind case ACPI_TYPE_PACKAGE: 449 1.1.1.2.4.2 rmind /* 450 1.1.1.2.4.2 rmind * This case is often seen for predefined names that must return a 451 1.1.1.2.4.2 rmind * Buffer object with multiple DWORD integers within. For example, 452 1.1.1.2.4.2 rmind * _FDE and _GTM. The Package can be converted to a Buffer. 453 1.1.1.2.4.2 rmind */ 454 1.1.1.2.4.2 rmind 455 1.1.1.2.4.2 rmind /* All elements of the Package must be integers */ 456 1.1.1.2.4.2 rmind 457 1.1.1.2.4.2 rmind Elements = OriginalObject->Package.Elements; 458 1.1.1.2.4.2 rmind Count = OriginalObject->Package.Count; 459 1.1.1.2.4.2 rmind 460 1.1.1.2.4.2 rmind for (i = 0; i < Count; i++) 461 1.1.1.2.4.2 rmind { 462 1.1.1.2.4.2 rmind if ((!*Elements) || 463 1.1.1.2.4.2 rmind ((*Elements)->Common.Type != ACPI_TYPE_INTEGER)) 464 1.1.1.2.4.2 rmind { 465 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 466 1.1.1.2.4.2 rmind } 467 1.1.1.2.4.2 rmind Elements++; 468 1.1.1.2.4.2 rmind } 469 1.1.1.2.4.2 rmind 470 1.1.1.2.4.2 rmind /* Create the new buffer object to replace the Package */ 471 1.1.1.2.4.2 rmind 472 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateBufferObject (ACPI_MUL_4 (Count)); 473 1.1.1.2.4.2 rmind if (!NewObject) 474 1.1.1.2.4.2 rmind { 475 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 476 1.1.1.2.4.2 rmind } 477 1.1.1.2.4.2 rmind 478 1.1.1.2.4.2 rmind /* Copy the package elements (integers) to the buffer as DWORDs */ 479 1.1.1.2.4.2 rmind 480 1.1.1.2.4.2 rmind Elements = OriginalObject->Package.Elements; 481 1.1.1.2.4.2 rmind DwordBuffer = ACPI_CAST_PTR (UINT32, NewObject->Buffer.Pointer); 482 1.1.1.2.4.2 rmind 483 1.1.1.2.4.2 rmind for (i = 0; i < Count; i++) 484 1.1.1.2.4.2 rmind { 485 1.1.1.2.4.2 rmind *DwordBuffer = (UINT32) (*Elements)->Integer.Value; 486 1.1.1.2.4.2 rmind DwordBuffer++; 487 1.1.1.2.4.2 rmind Elements++; 488 1.1.1.2.4.2 rmind } 489 1.1.1.2.4.2 rmind break; 490 1.1.1.2.4.2 rmind 491 1.1.1.2.4.2 rmind default: 492 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 493 1.1.1.2.4.2 rmind } 494 1.1.1.2.4.2 rmind 495 1.1.1.2.4.2 rmind *ReturnObject = NewObject; 496 1.1.1.2.4.2 rmind return (AE_OK); 497 1.1.1.2.4.2 rmind } 498 1.1.1.2.4.2 rmind 499 1.1.1.2.4.2 rmind 500 1.1.1.2.4.2 rmind /******************************************************************************* 501 1.1.1.2.4.2 rmind * 502 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsConvertToPackage 503 1.1.1.2.4.2 rmind * 504 1.1.1.2.4.2 rmind * PARAMETERS: OriginalObject - Object to be converted 505 1.1.1.2.4.2 rmind * ReturnObject - Where the new converted object is returned 506 1.1.1.2.4.2 rmind * 507 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if conversion was successful. 508 1.1.1.2.4.2 rmind * 509 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to convert a Buffer object to a Package. Each byte of 510 1.1.1.2.4.2 rmind * the buffer is converted to a single integer package element. 511 1.1.1.2.4.2 rmind * 512 1.1.1.2.4.2 rmind ******************************************************************************/ 513 1.1.1.2.4.2 rmind 514 1.1.1.2.4.2 rmind static ACPI_STATUS 515 1.1.1.2.4.2 rmind AcpiNsConvertToPackage ( 516 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *OriginalObject, 517 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObject) 518 1.1.1.2.4.2 rmind { 519 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 520 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Elements; 521 1.1.1.2.4.2 rmind UINT32 Length; 522 1.1.1.2.4.2 rmind UINT8 *Buffer; 523 1.1.1.2.4.2 rmind 524 1.1.1.2.4.2 rmind 525 1.1.1.2.4.2 rmind switch (OriginalObject->Common.Type) 526 1.1.1.2.4.2 rmind { 527 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER: 528 1.1.1.2.4.2 rmind 529 1.1.1.2.4.2 rmind /* Buffer-to-Package conversion */ 530 1.1.1.2.4.2 rmind 531 1.1.1.2.4.2 rmind Length = OriginalObject->Buffer.Length; 532 1.1.1.2.4.2 rmind NewObject = AcpiUtCreatePackageObject (Length); 533 1.1.1.2.4.2 rmind if (!NewObject) 534 1.1.1.2.4.2 rmind { 535 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 536 1.1.1.2.4.2 rmind } 537 1.1.1.2.4.2 rmind 538 1.1.1.2.4.2 rmind /* Convert each buffer byte to an integer package element */ 539 1.1.1.2.4.2 rmind 540 1.1.1.2.4.2 rmind Elements = NewObject->Package.Elements; 541 1.1.1.2.4.2 rmind Buffer = OriginalObject->Buffer.Pointer; 542 1.1.1.2.4.2 rmind 543 1.1.1.2.4.2 rmind while (Length--) 544 1.1.1.2.4.2 rmind { 545 1.1.1.2.4.2 rmind *Elements = AcpiUtCreateIntegerObject ((UINT64) *Buffer); 546 1.1.1.2.4.2 rmind if (!*Elements) 547 1.1.1.2.4.2 rmind { 548 1.1.1.2.4.2 rmind AcpiUtRemoveReference (NewObject); 549 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 550 1.1.1.2.4.2 rmind } 551 1.1.1.2.4.2 rmind Elements++; 552 1.1.1.2.4.2 rmind Buffer++; 553 1.1.1.2.4.2 rmind } 554 1.1.1.2.4.2 rmind break; 555 1.1.1.2.4.2 rmind 556 1.1.1.2.4.2 rmind default: 557 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 558 1.1.1.2.4.2 rmind } 559 1.1.1.2.4.2 rmind 560 1.1.1.2.4.2 rmind *ReturnObject = NewObject; 561 1.1.1.2.4.2 rmind return (AE_OK); 562 1.1.1.2.4.2 rmind } 563 1.1.1.2.4.2 rmind 564 1.1.1.2.4.2 rmind 565 1.1.1.2.4.2 rmind /******************************************************************************* 566 1.1.1.2.4.2 rmind * 567 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsRepairNullElement 568 1.1.1.2.4.2 rmind * 569 1.1.1.2.4.2 rmind * PARAMETERS: Data - Pointer to validation data structure 570 1.1.1.2.4.2 rmind * ExpectedBtypes - Object types expected 571 1.1.1.2.4.2 rmind * PackageIndex - Index of object within parent package (if 572 1.1.1.2.4.2 rmind * applicable - ACPI_NOT_PACKAGE_ELEMENT 573 1.1.1.2.4.2 rmind * otherwise) 574 1.1.1.2.4.2 rmind * ReturnObjectPtr - Pointer to the object returned from the 575 1.1.1.2.4.2 rmind * evaluation of a method or object 576 1.1.1.2.4.2 rmind * 577 1.1.1.2.4.2 rmind * RETURN: Status. AE_OK if repair was successful. 578 1.1.1.2.4.2 rmind * 579 1.1.1.2.4.2 rmind * DESCRIPTION: Attempt to repair a NULL element of a returned Package object. 580 1.1.1.2.4.2 rmind * 581 1.1.1.2.4.2 rmind ******************************************************************************/ 582 1.1.1.2.4.2 rmind 583 1.1.1.2.4.2 rmind ACPI_STATUS 584 1.1.1.2.4.2 rmind AcpiNsRepairNullElement ( 585 1.1.1.2.4.2 rmind ACPI_PREDEFINED_DATA *Data, 586 1.1.1.2.4.2 rmind UINT32 ExpectedBtypes, 587 1.1.1.2.4.2 rmind UINT32 PackageIndex, 588 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ReturnObjectPtr) 589 1.1.1.2.4.2 rmind { 590 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ReturnObject = *ReturnObjectPtr; 591 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *NewObject; 592 1.1.1.2.4.2 rmind 593 1.1.1.2.4.2 rmind 594 1.1.1.2.4.2 rmind ACPI_FUNCTION_NAME (NsRepairNullElement); 595 1.1.1.2.4.2 rmind 596 1.1.1.2.4.2 rmind 597 1.1.1.2.4.2 rmind /* No repair needed if return object is non-NULL */ 598 1.1.1.2.4.2 rmind 599 1.1.1.2.4.2 rmind if (ReturnObject) 600 1.1.1.2.4.2 rmind { 601 1.1.1.2.4.2 rmind return (AE_OK); 602 1.1.1.2.4.2 rmind } 603 1.1.1.2.4.2 rmind 604 1.1.1.2.4.2 rmind /* 605 1.1.1.2.4.2 rmind * Attempt to repair a NULL element of a Package object. This applies to 606 1.1.1.2.4.2 rmind * predefined names that return a fixed-length package and each element 607 1.1.1.2.4.2 rmind * is required. It does not apply to variable-length packages where NULL 608 1.1.1.2.4.2 rmind * elements are allowed, especially at the end of the package. 609 1.1.1.2.4.2 rmind */ 610 1.1.1.2.4.2 rmind if (ExpectedBtypes & ACPI_RTYPE_INTEGER) 611 1.1.1.2.4.2 rmind { 612 1.1.1.2.4.2 rmind /* Need an Integer - create a zero-value integer */ 613 1.1.1.2.4.2 rmind 614 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateIntegerObject ((UINT64) 0); 615 1.1.1.2.4.2 rmind } 616 1.1.1.2.4.2 rmind else if (ExpectedBtypes & ACPI_RTYPE_STRING) 617 1.1.1.2.4.2 rmind { 618 1.1.1.2.4.2 rmind /* Need a String - create a NULL string */ 619 1.1.1.2.4.2 rmind 620 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateStringObject (0); 621 1.1.1.2.4.2 rmind } 622 1.1.1.2.4.2 rmind else if (ExpectedBtypes & ACPI_RTYPE_BUFFER) 623 1.1.1.2.4.2 rmind { 624 1.1.1.2.4.2 rmind /* Need a Buffer - create a zero-length buffer */ 625 1.1.1.2.4.2 rmind 626 1.1.1.2.4.2 rmind NewObject = AcpiUtCreateBufferObject (0); 627 1.1.1.2.4.2 rmind } 628 1.1.1.2.4.2 rmind else 629 1.1.1.2.4.2 rmind { 630 1.1.1.2.4.2 rmind /* Error for all other expected types */ 631 1.1.1.2.4.2 rmind 632 1.1.1.2.4.2 rmind return (AE_AML_OPERAND_TYPE); 633 1.1.1.2.4.2 rmind } 634 1.1.1.2.4.2 rmind 635 1.1.1.2.4.2 rmind if (!NewObject) 636 1.1.1.2.4.2 rmind { 637 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 638 1.1.1.2.4.2 rmind } 639 1.1.1.2.4.2 rmind 640 1.1.1.2.4.2 rmind /* Set the reference count according to the parent Package object */ 641 1.1.1.2.4.2 rmind 642 1.1.1.2.4.2 rmind NewObject->Common.ReferenceCount = Data->ParentPackage->Common.ReferenceCount; 643 1.1.1.2.4.2 rmind 644 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR, 645 1.1.1.2.4.2 rmind "%s: Converted NULL package element to expected %s at index %u\n", 646 1.1.1.2.4.2 rmind Data->Pathname, AcpiUtGetObjectTypeName (NewObject), PackageIndex)); 647 1.1.1.2.4.2 rmind 648 1.1.1.2.4.2 rmind *ReturnObjectPtr = NewObject; 649 1.1.1.2.4.2 rmind Data->Flags |= ACPI_OBJECT_REPAIRED; 650 1.1.1.2.4.2 rmind return (AE_OK); 651 1.1.1.2.4.2 rmind } 652 1.1.1.2.4.2 rmind 653 1.1.1.2.4.2 rmind 654 1.1.1.2.4.2 rmind /****************************************************************************** 655 1.1.1.2.4.2 rmind * 656 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsRemoveNullElements 657 1.1.1.2.4.2 rmind * 658 1.1.1.2.4.2 rmind * PARAMETERS: Data - Pointer to validation data structure 659 1.1.1.2.4.2 rmind * PackageType - An AcpiReturnPackageTypes value 660 1.1.1.2.4.2 rmind * ObjDesc - A Package object 661 1.1.1.2.4.2 rmind * 662 1.1.1.2.4.2 rmind * RETURN: None. 663 1.1.1.2.4.2 rmind * 664 1.1.1.2.4.2 rmind * DESCRIPTION: Remove all NULL package elements from packages that contain 665 1.1.1.2.4.2 rmind * a variable number of sub-packages. For these types of 666 1.1.1.2.4.2 rmind * packages, NULL elements can be safely removed. 667 1.1.1.2.4.2 rmind * 668 1.1.1.2.4.2 rmind *****************************************************************************/ 669 1.1.1.2.4.2 rmind 670 1.1.1.2.4.2 rmind void 671 1.1.1.2.4.2 rmind AcpiNsRemoveNullElements ( 672 1.1.1.2.4.2 rmind ACPI_PREDEFINED_DATA *Data, 673 1.1.1.2.4.2 rmind UINT8 PackageType, 674 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *ObjDesc) 675 1.1.1.2.4.2 rmind { 676 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Source; 677 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **Dest; 678 1.1.1.2.4.2 rmind UINT32 Count; 679 1.1.1.2.4.2 rmind UINT32 NewCount; 680 1.1.1.2.4.2 rmind UINT32 i; 681 1.1.1.2.4.2 rmind 682 1.1.1.2.4.2 rmind 683 1.1.1.2.4.2 rmind ACPI_FUNCTION_NAME (NsRemoveNullElements); 684 1.1.1.2.4.2 rmind 685 1.1.1.2.4.2 rmind 686 1.1.1.2.4.2 rmind /* 687 1.1.1.2.4.2 rmind * PTYPE1 packages contain no subpackages. 688 1.1.1.2.4.2 rmind * PTYPE2 packages contain a variable number of sub-packages. We can 689 1.1.1.2.4.2 rmind * safely remove all NULL elements from the PTYPE2 packages. 690 1.1.1.2.4.2 rmind */ 691 1.1.1.2.4.2 rmind switch (PackageType) 692 1.1.1.2.4.2 rmind { 693 1.1.1.2.4.2 rmind case ACPI_PTYPE1_FIXED: 694 1.1.1.2.4.2 rmind case ACPI_PTYPE1_VAR: 695 1.1.1.2.4.2 rmind case ACPI_PTYPE1_OPTION: 696 1.1.1.2.4.2 rmind return; 697 1.1.1.2.4.2 rmind 698 1.1.1.2.4.2 rmind case ACPI_PTYPE2: 699 1.1.1.2.4.2 rmind case ACPI_PTYPE2_COUNT: 700 1.1.1.2.4.2 rmind case ACPI_PTYPE2_PKG_COUNT: 701 1.1.1.2.4.2 rmind case ACPI_PTYPE2_FIXED: 702 1.1.1.2.4.2 rmind case ACPI_PTYPE2_MIN: 703 1.1.1.2.4.2 rmind case ACPI_PTYPE2_REV_FIXED: 704 1.1.1.2.4.2 rmind break; 705 1.1.1.2.4.2 rmind 706 1.1.1.2.4.2 rmind default: 707 1.1.1.2.4.2 rmind return; 708 1.1.1.2.4.2 rmind } 709 1.1.1.2.4.2 rmind 710 1.1.1.2.4.2 rmind Count = ObjDesc->Package.Count; 711 1.1.1.2.4.2 rmind NewCount = Count; 712 1.1.1.2.4.2 rmind 713 1.1.1.2.4.2 rmind Source = ObjDesc->Package.Elements; 714 1.1.1.2.4.2 rmind Dest = Source; 715 1.1.1.2.4.2 rmind 716 1.1.1.2.4.2 rmind /* Examine all elements of the package object, remove nulls */ 717 1.1.1.2.4.2 rmind 718 1.1.1.2.4.2 rmind for (i = 0; i < Count; i++) 719 1.1.1.2.4.2 rmind { 720 1.1.1.2.4.2 rmind if (!*Source) 721 1.1.1.2.4.2 rmind { 722 1.1.1.2.4.2 rmind NewCount--; 723 1.1.1.2.4.2 rmind } 724 1.1.1.2.4.2 rmind else 725 1.1.1.2.4.2 rmind { 726 1.1.1.2.4.2 rmind *Dest = *Source; 727 1.1.1.2.4.2 rmind Dest++; 728 1.1.1.2.4.2 rmind } 729 1.1.1.2.4.2 rmind Source++; 730 1.1.1.2.4.2 rmind } 731 1.1.1.2.4.2 rmind 732 1.1.1.2.4.2 rmind /* Update parent package if any null elements were removed */ 733 1.1.1.2.4.2 rmind 734 1.1.1.2.4.2 rmind if (NewCount < Count) 735 1.1.1.2.4.2 rmind { 736 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR, 737 1.1.1.2.4.2 rmind "%s: Found and removed %u NULL elements\n", 738 1.1.1.2.4.2 rmind Data->Pathname, (Count - NewCount))); 739 1.1.1.2.4.2 rmind 740 1.1.1.2.4.2 rmind /* NULL terminate list and update the package count */ 741 1.1.1.2.4.2 rmind 742 1.1.1.2.4.2 rmind *Dest = NULL; 743 1.1.1.2.4.2 rmind ObjDesc->Package.Count = NewCount; 744 1.1.1.2.4.2 rmind } 745 1.1.1.2.4.2 rmind } 746 1.1.1.2.4.2 rmind 747 1.1.1.2.4.2 rmind 748 1.1.1.2.4.2 rmind /******************************************************************************* 749 1.1.1.2.4.2 rmind * 750 1.1.1.2.4.2 rmind * FUNCTION: AcpiNsRepairPackageList 751 1.1.1.2.4.2 rmind * 752 1.1.1.2.4.2 rmind * PARAMETERS: Data - Pointer to validation data structure 753 1.1.1.2.4.2 rmind * ObjDescPtr - Pointer to the object to repair. The new 754 1.1.1.2.4.2 rmind * package object is returned here, 755 1.1.1.2.4.2 rmind * overwriting the old object. 756 1.1.1.2.4.2 rmind * 757 1.1.1.2.4.2 rmind * RETURN: Status, new object in *ObjDescPtr 758 1.1.1.2.4.2 rmind * 759 1.1.1.2.4.2 rmind * DESCRIPTION: Repair a common problem with objects that are defined to return 760 1.1.1.2.4.2 rmind * a variable-length Package of Packages. If the variable-length 761 1.1.1.2.4.2 rmind * is one, some BIOS code mistakenly simply declares a single 762 1.1.1.2.4.2 rmind * Package instead of a Package with one sub-Package. This 763 1.1.1.2.4.2 rmind * function attempts to repair this error by wrapping a Package 764 1.1.1.2.4.2 rmind * object around the original Package, creating the correct 765 1.1.1.2.4.2 rmind * Package with one sub-Package. 766 1.1.1.2.4.2 rmind * 767 1.1.1.2.4.2 rmind * Names that can be repaired in this manner include: 768 1.1.1.2.4.2 rmind * _ALR, _CSD, _HPX, _MLS, _PRT, _PSS, _TRT, TSS 769 1.1.1.2.4.2 rmind * 770 1.1.1.2.4.2 rmind ******************************************************************************/ 771 1.1.1.2.4.2 rmind 772 1.1.1.2.4.2 rmind ACPI_STATUS 773 1.1.1.2.4.2 rmind AcpiNsRepairPackageList ( 774 1.1.1.2.4.2 rmind ACPI_PREDEFINED_DATA *Data, 775 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **ObjDescPtr) 776 1.1.1.2.4.2 rmind { 777 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *PkgObjDesc; 778 1.1.1.2.4.2 rmind 779 1.1.1.2.4.2 rmind 780 1.1.1.2.4.2 rmind ACPI_FUNCTION_NAME (NsRepairPackageList); 781 1.1.1.2.4.2 rmind 782 1.1.1.2.4.2 rmind 783 1.1.1.2.4.2 rmind /* 784 1.1.1.2.4.2 rmind * Create the new outer package and populate it. The new package will 785 1.1.1.2.4.2 rmind * have a single element, the lone subpackage. 786 1.1.1.2.4.2 rmind */ 787 1.1.1.2.4.2 rmind PkgObjDesc = AcpiUtCreatePackageObject (1); 788 1.1.1.2.4.2 rmind if (!PkgObjDesc) 789 1.1.1.2.4.2 rmind { 790 1.1.1.2.4.2 rmind return (AE_NO_MEMORY); 791 1.1.1.2.4.2 rmind } 792 1.1.1.2.4.2 rmind 793 1.1.1.2.4.2 rmind PkgObjDesc->Package.Elements[0] = *ObjDescPtr; 794 1.1.1.2.4.2 rmind 795 1.1.1.2.4.2 rmind /* Return the new object in the object pointer */ 796 1.1.1.2.4.2 rmind 797 1.1.1.2.4.2 rmind *ObjDescPtr = PkgObjDesc; 798 1.1.1.2.4.2 rmind Data->Flags |= ACPI_OBJECT_REPAIRED; 799 1.1.1.2.4.2 rmind 800 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR, 801 1.1.1.2.4.2 rmind "%s: Repaired incorrectly formed Package\n", Data->Pathname)); 802 1.1.1.2.4.2 rmind 803 1.1.1.2.4.2 rmind return (AE_OK); 804 1.1.1.2.4.2 rmind } 805
Indexes created Wed Oct 22 13:09:56 GMT 2025