utobject.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: utobject - ACPI object create/delete/size/cache routines 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 __UTOBJECT_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 50 1.1.1.2.4.2 rmind 51 1.1.1.2.4.2 rmind #define _COMPONENT ACPI_UTILITIES 52 1.1.1.2.4.2 rmind ACPI_MODULE_NAME ("utobject") 53 1.1.1.2.4.2 rmind 54 1.1.1.2.4.2 rmind /* Local prototypes */ 55 1.1.1.2.4.2 rmind 56 1.1.1.2.4.2 rmind static ACPI_STATUS 57 1.1.1.2.4.2 rmind AcpiUtGetSimpleObjectSize ( 58 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *Obj, 59 1.1.1.2.4.2 rmind ACPI_SIZE *ObjLength); 60 1.1.1.2.4.2 rmind 61 1.1.1.2.4.2 rmind static ACPI_STATUS 62 1.1.1.2.4.2 rmind AcpiUtGetPackageObjectSize ( 63 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *Obj, 64 1.1.1.2.4.2 rmind ACPI_SIZE *ObjLength); 65 1.1.1.2.4.2 rmind 66 1.1.1.2.4.2 rmind static ACPI_STATUS 67 1.1.1.2.4.2 rmind AcpiUtGetElementLength ( 68 1.1.1.2.4.2 rmind UINT8 ObjectType, 69 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *SourceObject, 70 1.1.1.2.4.2 rmind ACPI_GENERIC_STATE *State, 71 1.1.1.2.4.2 rmind void *Context); 72 1.1.1.2.4.2 rmind 73 1.1.1.2.4.2 rmind 74 1.1.1.2.4.2 rmind /******************************************************************************* 75 1.1.1.2.4.2 rmind * 76 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtCreateInternalObjectDbg 77 1.1.1.2.4.2 rmind * 78 1.1.1.2.4.2 rmind * PARAMETERS: ModuleName - Source file name of caller 79 1.1.1.2.4.2 rmind * LineNumber - Line number of caller 80 1.1.1.2.4.2 rmind * ComponentId - Component type of caller 81 1.1.1.2.4.2 rmind * Type - ACPI Type of the new object 82 1.1.1.2.4.2 rmind * 83 1.1.1.2.4.2 rmind * RETURN: A new internal object, null on failure 84 1.1.1.2.4.2 rmind * 85 1.1.1.2.4.2 rmind * DESCRIPTION: Create and initialize a new internal object. 86 1.1.1.2.4.2 rmind * 87 1.1.1.2.4.2 rmind * NOTE: We always allocate the worst-case object descriptor because 88 1.1.1.2.4.2 rmind * these objects are cached, and we want them to be 89 1.1.1.2.4.2 rmind * one-size-satisifies-any-request. This in itself may not be 90 1.1.1.2.4.2 rmind * the most memory efficient, but the efficiency of the object 91 1.1.1.2.4.2 rmind * cache should more than make up for this! 92 1.1.1.2.4.2 rmind * 93 1.1.1.2.4.2 rmind ******************************************************************************/ 94 1.1.1.2.4.2 rmind 95 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT * 96 1.1.1.2.4.2 rmind AcpiUtCreateInternalObjectDbg ( 97 1.1.1.2.4.2 rmind const char *ModuleName, 98 1.1.1.2.4.2 rmind UINT32 LineNumber, 99 1.1.1.2.4.2 rmind UINT32 ComponentId, 100 1.1.1.2.4.2 rmind ACPI_OBJECT_TYPE Type) 101 1.1.1.2.4.2 rmind { 102 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *Object; 103 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *SecondObject; 104 1.1.1.2.4.2 rmind 105 1.1.1.2.4.2 rmind 106 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_STR (UtCreateInternalObjectDbg, 107 1.1.1.2.4.2 rmind AcpiUtGetTypeName (Type)); 108 1.1.1.2.4.2 rmind 109 1.1.1.2.4.2 rmind 110 1.1.1.2.4.2 rmind /* Allocate the raw object descriptor */ 111 1.1.1.2.4.2 rmind 112 1.1.1.2.4.2 rmind Object = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId); 113 1.1.1.2.4.2 rmind if (!Object) 114 1.1.1.2.4.2 rmind { 115 1.1.1.2.4.2 rmind return_PTR (NULL); 116 1.1.1.2.4.2 rmind } 117 1.1.1.2.4.2 rmind 118 1.1.1.2.4.2 rmind switch (Type) 119 1.1.1.2.4.2 rmind { 120 1.1.1.2.4.2 rmind case ACPI_TYPE_REGION: 121 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER_FIELD: 122 1.1.1.2.4.2 rmind case ACPI_TYPE_LOCAL_BANK_FIELD: 123 1.1.1.2.4.2 rmind 124 1.1.1.2.4.2 rmind /* These types require a secondary object */ 125 1.1.1.2.4.2 rmind 126 1.1.1.2.4.2 rmind SecondObject = AcpiUtAllocateObjectDescDbg (ModuleName, 127 1.1.1.2.4.2 rmind LineNumber, ComponentId); 128 1.1.1.2.4.2 rmind if (!SecondObject) 129 1.1.1.2.4.2 rmind { 130 1.1.1.2.4.2 rmind AcpiUtDeleteObjectDesc (Object); 131 1.1.1.2.4.2 rmind return_PTR (NULL); 132 1.1.1.2.4.2 rmind } 133 1.1.1.2.4.2 rmind 134 1.1.1.2.4.2 rmind SecondObject->Common.Type = ACPI_TYPE_LOCAL_EXTRA; 135 1.1.1.2.4.2 rmind SecondObject->Common.ReferenceCount = 1; 136 1.1.1.2.4.2 rmind 137 1.1.1.2.4.2 rmind /* Link the second object to the first */ 138 1.1.1.2.4.2 rmind 139 1.1.1.2.4.2 rmind Object->Common.NextObject = SecondObject; 140 1.1.1.2.4.2 rmind break; 141 1.1.1.2.4.2 rmind 142 1.1.1.2.4.2 rmind default: 143 1.1.1.2.4.2 rmind /* All others have no secondary object */ 144 1.1.1.2.4.2 rmind break; 145 1.1.1.2.4.2 rmind } 146 1.1.1.2.4.2 rmind 147 1.1.1.2.4.2 rmind /* Save the object type in the object descriptor */ 148 1.1.1.2.4.2 rmind 149 1.1.1.2.4.2 rmind Object->Common.Type = (UINT8) Type; 150 1.1.1.2.4.2 rmind 151 1.1.1.2.4.2 rmind /* Init the reference count */ 152 1.1.1.2.4.2 rmind 153 1.1.1.2.4.2 rmind Object->Common.ReferenceCount = 1; 154 1.1.1.2.4.2 rmind 155 1.1.1.2.4.2 rmind /* Any per-type initialization should go here */ 156 1.1.1.2.4.2 rmind 157 1.1.1.2.4.2 rmind return_PTR (Object); 158 1.1.1.2.4.2 rmind } 159 1.1.1.2.4.2 rmind 160 1.1.1.2.4.2 rmind 161 1.1.1.2.4.2 rmind /******************************************************************************* 162 1.1.1.2.4.2 rmind * 163 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtCreatePackageObject 164 1.1.1.2.4.2 rmind * 165 1.1.1.2.4.2 rmind * PARAMETERS: Count - Number of package elements 166 1.1.1.2.4.2 rmind * 167 1.1.1.2.4.2 rmind * RETURN: Pointer to a new Package object, null on failure 168 1.1.1.2.4.2 rmind * 169 1.1.1.2.4.2 rmind * DESCRIPTION: Create a fully initialized package object 170 1.1.1.2.4.2 rmind * 171 1.1.1.2.4.2 rmind ******************************************************************************/ 172 1.1.1.2.4.2 rmind 173 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT * 174 1.1.1.2.4.2 rmind AcpiUtCreatePackageObject ( 175 1.1.1.2.4.2 rmind UINT32 Count) 176 1.1.1.2.4.2 rmind { 177 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *PackageDesc; 178 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT **PackageElements; 179 1.1.1.2.4.2 rmind 180 1.1.1.2.4.2 rmind 181 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_U32 (UtCreatePackageObject, Count); 182 1.1.1.2.4.2 rmind 183 1.1.1.2.4.2 rmind 184 1.1.1.2.4.2 rmind /* Create a new Package object */ 185 1.1.1.2.4.2 rmind 186 1.1.1.2.4.2 rmind PackageDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE); 187 1.1.1.2.4.2 rmind if (!PackageDesc) 188 1.1.1.2.4.2 rmind { 189 1.1.1.2.4.2 rmind return_PTR (NULL); 190 1.1.1.2.4.2 rmind } 191 1.1.1.2.4.2 rmind 192 1.1.1.2.4.2 rmind /* 193 1.1.1.2.4.2 rmind * Create the element array. Count+1 allows the array to be null 194 1.1.1.2.4.2 rmind * terminated. 195 1.1.1.2.4.2 rmind */ 196 1.1.1.2.4.2 rmind PackageElements = ACPI_ALLOCATE_ZEROED ( 197 1.1.1.2.4.2 rmind ((ACPI_SIZE) Count + 1) * sizeof (void *)); 198 1.1.1.2.4.2 rmind if (!PackageElements) 199 1.1.1.2.4.2 rmind { 200 1.1.1.2.4.2 rmind ACPI_FREE (PackageDesc); 201 1.1.1.2.4.2 rmind return_PTR (NULL); 202 1.1.1.2.4.2 rmind } 203 1.1.1.2.4.2 rmind 204 1.1.1.2.4.2 rmind PackageDesc->Package.Count = Count; 205 1.1.1.2.4.2 rmind PackageDesc->Package.Elements = PackageElements; 206 1.1.1.2.4.2 rmind return_PTR (PackageDesc); 207 1.1.1.2.4.2 rmind } 208 1.1.1.2.4.2 rmind 209 1.1.1.2.4.2 rmind 210 1.1.1.2.4.2 rmind /******************************************************************************* 211 1.1.1.2.4.2 rmind * 212 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtCreateIntegerObject 213 1.1.1.2.4.2 rmind * 214 1.1.1.2.4.2 rmind * PARAMETERS: InitialValue - Initial value for the integer 215 1.1.1.2.4.2 rmind * 216 1.1.1.2.4.2 rmind * RETURN: Pointer to a new Integer object, null on failure 217 1.1.1.2.4.2 rmind * 218 1.1.1.2.4.2 rmind * DESCRIPTION: Create an initialized integer object 219 1.1.1.2.4.2 rmind * 220 1.1.1.2.4.2 rmind ******************************************************************************/ 221 1.1.1.2.4.2 rmind 222 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT * 223 1.1.1.2.4.2 rmind AcpiUtCreateIntegerObject ( 224 1.1.1.2.4.2 rmind UINT64 InitialValue) 225 1.1.1.2.4.2 rmind { 226 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *IntegerDesc; 227 1.1.1.2.4.2 rmind 228 1.1.1.2.4.2 rmind 229 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE (UtCreateIntegerObject); 230 1.1.1.2.4.2 rmind 231 1.1.1.2.4.2 rmind 232 1.1.1.2.4.2 rmind /* Create and initialize a new integer object */ 233 1.1.1.2.4.2 rmind 234 1.1.1.2.4.2 rmind IntegerDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); 235 1.1.1.2.4.2 rmind if (!IntegerDesc) 236 1.1.1.2.4.2 rmind { 237 1.1.1.2.4.2 rmind return_PTR (NULL); 238 1.1.1.2.4.2 rmind } 239 1.1.1.2.4.2 rmind 240 1.1.1.2.4.2 rmind IntegerDesc->Integer.Value = InitialValue; 241 1.1.1.2.4.2 rmind return_PTR (IntegerDesc); 242 1.1.1.2.4.2 rmind } 243 1.1.1.2.4.2 rmind 244 1.1.1.2.4.2 rmind 245 1.1.1.2.4.2 rmind /******************************************************************************* 246 1.1.1.2.4.2 rmind * 247 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtCreateBufferObject 248 1.1.1.2.4.2 rmind * 249 1.1.1.2.4.2 rmind * PARAMETERS: BufferSize - Size of buffer to be created 250 1.1.1.2.4.2 rmind * 251 1.1.1.2.4.2 rmind * RETURN: Pointer to a new Buffer object, null on failure 252 1.1.1.2.4.2 rmind * 253 1.1.1.2.4.2 rmind * DESCRIPTION: Create a fully initialized buffer object 254 1.1.1.2.4.2 rmind * 255 1.1.1.2.4.2 rmind ******************************************************************************/ 256 1.1.1.2.4.2 rmind 257 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT * 258 1.1.1.2.4.2 rmind AcpiUtCreateBufferObject ( 259 1.1.1.2.4.2 rmind ACPI_SIZE BufferSize) 260 1.1.1.2.4.2 rmind { 261 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *BufferDesc; 262 1.1.1.2.4.2 rmind UINT8 *Buffer = NULL; 263 1.1.1.2.4.2 rmind 264 1.1.1.2.4.2 rmind 265 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_U32 (UtCreateBufferObject, BufferSize); 266 1.1.1.2.4.2 rmind 267 1.1.1.2.4.2 rmind 268 1.1.1.2.4.2 rmind /* Create a new Buffer object */ 269 1.1.1.2.4.2 rmind 270 1.1.1.2.4.2 rmind BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 271 1.1.1.2.4.2 rmind if (!BufferDesc) 272 1.1.1.2.4.2 rmind { 273 1.1.1.2.4.2 rmind return_PTR (NULL); 274 1.1.1.2.4.2 rmind } 275 1.1.1.2.4.2 rmind 276 1.1.1.2.4.2 rmind /* Create an actual buffer only if size > 0 */ 277 1.1.1.2.4.2 rmind 278 1.1.1.2.4.2 rmind if (BufferSize > 0) 279 1.1.1.2.4.2 rmind { 280 1.1.1.2.4.2 rmind /* Allocate the actual buffer */ 281 1.1.1.2.4.2 rmind 282 1.1.1.2.4.2 rmind Buffer = ACPI_ALLOCATE_ZEROED (BufferSize); 283 1.1.1.2.4.2 rmind if (!Buffer) 284 1.1.1.2.4.2 rmind { 285 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Could not allocate size %u", 286 1.1.1.2.4.2 rmind (UINT32) BufferSize)); 287 1.1.1.2.4.2 rmind AcpiUtRemoveReference (BufferDesc); 288 1.1.1.2.4.2 rmind return_PTR (NULL); 289 1.1.1.2.4.2 rmind } 290 1.1.1.2.4.2 rmind } 291 1.1.1.2.4.2 rmind 292 1.1.1.2.4.2 rmind /* Complete buffer object initialization */ 293 1.1.1.2.4.2 rmind 294 1.1.1.2.4.2 rmind BufferDesc->Buffer.Flags |= AOPOBJ_DATA_VALID; 295 1.1.1.2.4.2 rmind BufferDesc->Buffer.Pointer = Buffer; 296 1.1.1.2.4.2 rmind BufferDesc->Buffer.Length = (UINT32) BufferSize; 297 1.1.1.2.4.2 rmind 298 1.1.1.2.4.2 rmind /* Return the new buffer descriptor */ 299 1.1.1.2.4.2 rmind 300 1.1.1.2.4.2 rmind return_PTR (BufferDesc); 301 1.1.1.2.4.2 rmind } 302 1.1.1.2.4.2 rmind 303 1.1.1.2.4.2 rmind 304 1.1.1.2.4.2 rmind /******************************************************************************* 305 1.1.1.2.4.2 rmind * 306 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtCreateStringObject 307 1.1.1.2.4.2 rmind * 308 1.1.1.2.4.2 rmind * PARAMETERS: StringSize - Size of string to be created. Does not 309 1.1.1.2.4.2 rmind * include NULL terminator, this is added 310 1.1.1.2.4.2 rmind * automatically. 311 1.1.1.2.4.2 rmind * 312 1.1.1.2.4.2 rmind * RETURN: Pointer to a new String object 313 1.1.1.2.4.2 rmind * 314 1.1.1.2.4.2 rmind * DESCRIPTION: Create a fully initialized string object 315 1.1.1.2.4.2 rmind * 316 1.1.1.2.4.2 rmind ******************************************************************************/ 317 1.1.1.2.4.2 rmind 318 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT * 319 1.1.1.2.4.2 rmind AcpiUtCreateStringObject ( 320 1.1.1.2.4.2 rmind ACPI_SIZE StringSize) 321 1.1.1.2.4.2 rmind { 322 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *StringDesc; 323 1.1.1.2.4.2 rmind char *String; 324 1.1.1.2.4.2 rmind 325 1.1.1.2.4.2 rmind 326 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_U32 (UtCreateStringObject, StringSize); 327 1.1.1.2.4.2 rmind 328 1.1.1.2.4.2 rmind 329 1.1.1.2.4.2 rmind /* Create a new String object */ 330 1.1.1.2.4.2 rmind 331 1.1.1.2.4.2 rmind StringDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING); 332 1.1.1.2.4.2 rmind if (!StringDesc) 333 1.1.1.2.4.2 rmind { 334 1.1.1.2.4.2 rmind return_PTR (NULL); 335 1.1.1.2.4.2 rmind } 336 1.1.1.2.4.2 rmind 337 1.1.1.2.4.2 rmind /* 338 1.1.1.2.4.2 rmind * Allocate the actual string buffer -- (Size + 1) for NULL terminator. 339 1.1.1.2.4.2 rmind * NOTE: Zero-length strings are NULL terminated 340 1.1.1.2.4.2 rmind */ 341 1.1.1.2.4.2 rmind String = ACPI_ALLOCATE_ZEROED (StringSize + 1); 342 1.1.1.2.4.2 rmind if (!String) 343 1.1.1.2.4.2 rmind { 344 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Could not allocate size %u", 345 1.1.1.2.4.2 rmind (UINT32) StringSize)); 346 1.1.1.2.4.2 rmind AcpiUtRemoveReference (StringDesc); 347 1.1.1.2.4.2 rmind return_PTR (NULL); 348 1.1.1.2.4.2 rmind } 349 1.1.1.2.4.2 rmind 350 1.1.1.2.4.2 rmind /* Complete string object initialization */ 351 1.1.1.2.4.2 rmind 352 1.1.1.2.4.2 rmind StringDesc->String.Pointer = String; 353 1.1.1.2.4.2 rmind StringDesc->String.Length = (UINT32) StringSize; 354 1.1.1.2.4.2 rmind 355 1.1.1.2.4.2 rmind /* Return the new string descriptor */ 356 1.1.1.2.4.2 rmind 357 1.1.1.2.4.2 rmind return_PTR (StringDesc); 358 1.1.1.2.4.2 rmind } 359 1.1.1.2.4.2 rmind 360 1.1.1.2.4.2 rmind 361 1.1.1.2.4.2 rmind /******************************************************************************* 362 1.1.1.2.4.2 rmind * 363 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtValidInternalObject 364 1.1.1.2.4.2 rmind * 365 1.1.1.2.4.2 rmind * PARAMETERS: Object - Object to be validated 366 1.1.1.2.4.2 rmind * 367 1.1.1.2.4.2 rmind * RETURN: TRUE if object is valid, FALSE otherwise 368 1.1.1.2.4.2 rmind * 369 1.1.1.2.4.2 rmind * DESCRIPTION: Validate a pointer to be an ACPI_OPERAND_OBJECT 370 1.1.1.2.4.2 rmind * 371 1.1.1.2.4.2 rmind ******************************************************************************/ 372 1.1.1.2.4.2 rmind 373 1.1.1.2.4.2 rmind BOOLEAN 374 1.1.1.2.4.2 rmind AcpiUtValidInternalObject ( 375 1.1.1.2.4.2 rmind void *Object) 376 1.1.1.2.4.2 rmind { 377 1.1.1.2.4.2 rmind 378 1.1.1.2.4.2 rmind ACPI_FUNCTION_NAME (UtValidInternalObject); 379 1.1.1.2.4.2 rmind 380 1.1.1.2.4.2 rmind 381 1.1.1.2.4.2 rmind /* Check for a null pointer */ 382 1.1.1.2.4.2 rmind 383 1.1.1.2.4.2 rmind if (!Object) 384 1.1.1.2.4.2 rmind { 385 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "**** Null Object Ptr\n")); 386 1.1.1.2.4.2 rmind return (FALSE); 387 1.1.1.2.4.2 rmind } 388 1.1.1.2.4.2 rmind 389 1.1.1.2.4.2 rmind /* Check the descriptor type field */ 390 1.1.1.2.4.2 rmind 391 1.1.1.2.4.2 rmind switch (ACPI_GET_DESCRIPTOR_TYPE (Object)) 392 1.1.1.2.4.2 rmind { 393 1.1.1.2.4.2 rmind case ACPI_DESC_TYPE_OPERAND: 394 1.1.1.2.4.2 rmind 395 1.1.1.2.4.2 rmind /* The object appears to be a valid ACPI_OPERAND_OBJECT */ 396 1.1.1.2.4.2 rmind 397 1.1.1.2.4.2 rmind return (TRUE); 398 1.1.1.2.4.2 rmind 399 1.1.1.2.4.2 rmind default: 400 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 401 1.1.1.2.4.2 rmind "%p is not not an ACPI operand obj [%s]\n", 402 1.1.1.2.4.2 rmind Object, AcpiUtGetDescriptorName (Object))); 403 1.1.1.2.4.2 rmind break; 404 1.1.1.2.4.2 rmind } 405 1.1.1.2.4.2 rmind 406 1.1.1.2.4.2 rmind return (FALSE); 407 1.1.1.2.4.2 rmind } 408 1.1.1.2.4.2 rmind 409 1.1.1.2.4.2 rmind 410 1.1.1.2.4.2 rmind /******************************************************************************* 411 1.1.1.2.4.2 rmind * 412 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtAllocateObjectDescDbg 413 1.1.1.2.4.2 rmind * 414 1.1.1.2.4.2 rmind * PARAMETERS: ModuleName - Caller's module name (for error output) 415 1.1.1.2.4.2 rmind * LineNumber - Caller's line number (for error output) 416 1.1.1.2.4.2 rmind * ComponentId - Caller's component ID (for error output) 417 1.1.1.2.4.2 rmind * 418 1.1.1.2.4.2 rmind * RETURN: Pointer to newly allocated object descriptor. Null on error 419 1.1.1.2.4.2 rmind * 420 1.1.1.2.4.2 rmind * DESCRIPTION: Allocate a new object descriptor. Gracefully handle 421 1.1.1.2.4.2 rmind * error conditions. 422 1.1.1.2.4.2 rmind * 423 1.1.1.2.4.2 rmind ******************************************************************************/ 424 1.1.1.2.4.2 rmind 425 1.1.1.2.4.2 rmind void * 426 1.1.1.2.4.2 rmind AcpiUtAllocateObjectDescDbg ( 427 1.1.1.2.4.2 rmind const char *ModuleName, 428 1.1.1.2.4.2 rmind UINT32 LineNumber, 429 1.1.1.2.4.2 rmind UINT32 ComponentId) 430 1.1.1.2.4.2 rmind { 431 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *Object; 432 1.1.1.2.4.2 rmind 433 1.1.1.2.4.2 rmind 434 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE (UtAllocateObjectDescDbg); 435 1.1.1.2.4.2 rmind 436 1.1.1.2.4.2 rmind 437 1.1.1.2.4.2 rmind Object = AcpiOsAcquireObject (AcpiGbl_OperandCache); 438 1.1.1.2.4.2 rmind if (!Object) 439 1.1.1.2.4.2 rmind { 440 1.1.1.2.4.2 rmind ACPI_ERROR ((ModuleName, LineNumber, 441 1.1.1.2.4.2 rmind "Could not allocate an object descriptor")); 442 1.1.1.2.4.2 rmind 443 1.1.1.2.4.2 rmind return_PTR (NULL); 444 1.1.1.2.4.2 rmind } 445 1.1.1.2.4.2 rmind 446 1.1.1.2.4.2 rmind /* Mark the descriptor type */ 447 1.1.1.2.4.2 rmind 448 1.1.1.2.4.2 rmind ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_OPERAND); 449 1.1.1.2.4.2 rmind 450 1.1.1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", 451 1.1.1.2.4.2 rmind Object, (UINT32) sizeof (ACPI_OPERAND_OBJECT))); 452 1.1.1.2.4.2 rmind 453 1.1.1.2.4.2 rmind return_PTR (Object); 454 1.1.1.2.4.2 rmind } 455 1.1.1.2.4.2 rmind 456 1.1.1.2.4.2 rmind 457 1.1.1.2.4.2 rmind /******************************************************************************* 458 1.1.1.2.4.2 rmind * 459 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtDeleteObjectDesc 460 1.1.1.2.4.2 rmind * 461 1.1.1.2.4.2 rmind * PARAMETERS: Object - An Acpi internal object to be deleted 462 1.1.1.2.4.2 rmind * 463 1.1.1.2.4.2 rmind * RETURN: None. 464 1.1.1.2.4.2 rmind * 465 1.1.1.2.4.2 rmind * DESCRIPTION: Free an ACPI object descriptor or add it to the object cache 466 1.1.1.2.4.2 rmind * 467 1.1.1.2.4.2 rmind ******************************************************************************/ 468 1.1.1.2.4.2 rmind 469 1.1.1.2.4.2 rmind void 470 1.1.1.2.4.2 rmind AcpiUtDeleteObjectDesc ( 471 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *Object) 472 1.1.1.2.4.2 rmind { 473 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (UtDeleteObjectDesc, Object); 474 1.1.1.2.4.2 rmind 475 1.1.1.2.4.2 rmind 476 1.1.1.2.4.2 rmind /* Object must be an ACPI_OPERAND_OBJECT */ 477 1.1.1.2.4.2 rmind 478 1.1.1.2.4.2 rmind if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND) 479 1.1.1.2.4.2 rmind { 480 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, 481 1.1.1.2.4.2 rmind "%p is not an ACPI Operand object [%s]", Object, 482 1.1.1.2.4.2 rmind AcpiUtGetDescriptorName (Object))); 483 1.1.1.2.4.2 rmind return_VOID; 484 1.1.1.2.4.2 rmind } 485 1.1.1.2.4.2 rmind 486 1.1.1.2.4.2 rmind (void) AcpiOsReleaseObject (AcpiGbl_OperandCache, Object); 487 1.1.1.2.4.2 rmind return_VOID; 488 1.1.1.2.4.2 rmind } 489 1.1.1.2.4.2 rmind 490 1.1.1.2.4.2 rmind 491 1.1.1.2.4.2 rmind /******************************************************************************* 492 1.1.1.2.4.2 rmind * 493 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtGetSimpleObjectSize 494 1.1.1.2.4.2 rmind * 495 1.1.1.2.4.2 rmind * PARAMETERS: InternalObject - An ACPI operand object 496 1.1.1.2.4.2 rmind * ObjLength - Where the length is returned 497 1.1.1.2.4.2 rmind * 498 1.1.1.2.4.2 rmind * RETURN: Status 499 1.1.1.2.4.2 rmind * 500 1.1.1.2.4.2 rmind * DESCRIPTION: This function is called to determine the space required to 501 1.1.1.2.4.2 rmind * contain a simple object for return to an external user. 502 1.1.1.2.4.2 rmind * 503 1.1.1.2.4.2 rmind * The length includes the object structure plus any additional 504 1.1.1.2.4.2 rmind * needed space. 505 1.1.1.2.4.2 rmind * 506 1.1.1.2.4.2 rmind ******************************************************************************/ 507 1.1.1.2.4.2 rmind 508 1.1.1.2.4.2 rmind static ACPI_STATUS 509 1.1.1.2.4.2 rmind AcpiUtGetSimpleObjectSize ( 510 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *InternalObject, 511 1.1.1.2.4.2 rmind ACPI_SIZE *ObjLength) 512 1.1.1.2.4.2 rmind { 513 1.1.1.2.4.2 rmind ACPI_SIZE Length; 514 1.1.1.2.4.2 rmind ACPI_SIZE Size; 515 1.1.1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 516 1.1.1.2.4.2 rmind 517 1.1.1.2.4.2 rmind 518 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (UtGetSimpleObjectSize, InternalObject); 519 1.1.1.2.4.2 rmind 520 1.1.1.2.4.2 rmind 521 1.1.1.2.4.2 rmind /* Start with the length of the (external) Acpi object */ 522 1.1.1.2.4.2 rmind 523 1.1.1.2.4.2 rmind Length = sizeof (ACPI_OBJECT); 524 1.1.1.2.4.2 rmind 525 1.1.1.2.4.2 rmind /* A NULL object is allowed, can be a legal uninitialized package element */ 526 1.1.1.2.4.2 rmind 527 1.1.1.2.4.2 rmind if (!InternalObject) 528 1.1.1.2.4.2 rmind { 529 1.1.1.2.4.2 rmind /* 530 1.1.1.2.4.2 rmind * Object is NULL, just return the length of ACPI_OBJECT 531 1.1.1.2.4.2 rmind * (A NULL ACPI_OBJECT is an object of all zeroes.) 532 1.1.1.2.4.2 rmind */ 533 1.1.1.2.4.2 rmind *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length); 534 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_OK); 535 1.1.1.2.4.2 rmind } 536 1.1.1.2.4.2 rmind 537 1.1.1.2.4.2 rmind /* A Namespace Node should never appear here */ 538 1.1.1.2.4.2 rmind 539 1.1.1.2.4.2 rmind if (ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_NAMED) 540 1.1.1.2.4.2 rmind { 541 1.1.1.2.4.2 rmind /* A namespace node should never get here */ 542 1.1.1.2.4.2 rmind 543 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_AML_INTERNAL); 544 1.1.1.2.4.2 rmind } 545 1.1.1.2.4.2 rmind 546 1.1.1.2.4.2 rmind /* 547 1.1.1.2.4.2 rmind * The final length depends on the object type 548 1.1.1.2.4.2 rmind * Strings and Buffers are packed right up against the parent object and 549 1.1.1.2.4.2 rmind * must be accessed bytewise or there may be alignment problems on 550 1.1.1.2.4.2 rmind * certain processors 551 1.1.1.2.4.2 rmind */ 552 1.1.1.2.4.2 rmind switch (InternalObject->Common.Type) 553 1.1.1.2.4.2 rmind { 554 1.1.1.2.4.2 rmind case ACPI_TYPE_STRING: 555 1.1.1.2.4.2 rmind 556 1.1.1.2.4.2 rmind Length += (ACPI_SIZE) InternalObject->String.Length + 1; 557 1.1.1.2.4.2 rmind break; 558 1.1.1.2.4.2 rmind 559 1.1.1.2.4.2 rmind 560 1.1.1.2.4.2 rmind case ACPI_TYPE_BUFFER: 561 1.1.1.2.4.2 rmind 562 1.1.1.2.4.2 rmind Length += (ACPI_SIZE) InternalObject->Buffer.Length; 563 1.1.1.2.4.2 rmind break; 564 1.1.1.2.4.2 rmind 565 1.1.1.2.4.2 rmind 566 1.1.1.2.4.2 rmind case ACPI_TYPE_INTEGER: 567 1.1.1.2.4.2 rmind case ACPI_TYPE_PROCESSOR: 568 1.1.1.2.4.2 rmind case ACPI_TYPE_POWER: 569 1.1.1.2.4.2 rmind 570 1.1.1.2.4.2 rmind /* No extra data for these types */ 571 1.1.1.2.4.2 rmind 572 1.1.1.2.4.2 rmind break; 573 1.1.1.2.4.2 rmind 574 1.1.1.2.4.2 rmind 575 1.1.1.2.4.2 rmind case ACPI_TYPE_LOCAL_REFERENCE: 576 1.1.1.2.4.2 rmind 577 1.1.1.2.4.2 rmind switch (InternalObject->Reference.Class) 578 1.1.1.2.4.2 rmind { 579 1.1.1.2.4.2 rmind case ACPI_REFCLASS_NAME: 580 1.1.1.2.4.2 rmind 581 1.1.1.2.4.2 rmind /* 582 1.1.1.2.4.2 rmind * Get the actual length of the full pathname to this object. 583 1.1.1.2.4.2 rmind * The reference will be converted to the pathname to the object 584 1.1.1.2.4.2 rmind */ 585 1.1.1.2.4.2 rmind Size = AcpiNsGetPathnameLength (InternalObject->Reference.Node); 586 1.1.1.2.4.2 rmind if (!Size) 587 1.1.1.2.4.2 rmind { 588 1.1.1.2.4.2 rmind return_ACPI_STATUS (AE_BAD_PARAMETER); 589 1.1.1.2.4.2 rmind } 590 1.1.1.2.4.2 rmind 591 1.1.1.2.4.2 rmind Length += ACPI_ROUND_UP_TO_NATIVE_WORD (Size); 592 1.1.1.2.4.2 rmind break; 593 1.1.1.2.4.2 rmind 594 1.1.1.2.4.2 rmind default: 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 other reference opcodes are supported. 598 1.1.1.2.4.2 rmind * Notably, Locals and Args are not supported, but this may be 599 1.1.1.2.4.2 rmind * required eventually. 600 1.1.1.2.4.2 rmind */ 601 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Cannot convert to external object - " 602 1.1.1.2.4.2 rmind "unsupported Reference Class [%s] 0x%X in object %p", 603 1.1.1.2.4.2 rmind AcpiUtGetReferenceName (InternalObject), 604 1.1.1.2.4.2 rmind InternalObject->Reference.Class, InternalObject)); 605 1.1.1.2.4.2 rmind Status = AE_TYPE; 606 1.1.1.2.4.2 rmind break; 607 1.1.1.2.4.2 rmind } 608 1.1.1.2.4.2 rmind break; 609 1.1.1.2.4.2 rmind 610 1.1.1.2.4.2 rmind 611 1.1.1.2.4.2 rmind default: 612 1.1.1.2.4.2 rmind 613 1.1.1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Cannot convert to external object - " 614 1.1.1.2.4.2 rmind "unsupported type [%s] 0x%X in object %p", 615 1.1.1.2.4.2 rmind AcpiUtGetObjectTypeName (InternalObject), 616 1.1.1.2.4.2 rmind InternalObject->Common.Type, InternalObject)); 617 1.1.1.2.4.2 rmind Status = AE_TYPE; 618 1.1.1.2.4.2 rmind break; 619 1.1.1.2.4.2 rmind } 620 1.1.1.2.4.2 rmind 621 1.1.1.2.4.2 rmind /* 622 1.1.1.2.4.2 rmind * Account for the space required by the object rounded up to the next 623 1.1.1.2.4.2 rmind * multiple of the machine word size. This keeps each object aligned 624 1.1.1.2.4.2 rmind * on a machine word boundary. (preventing alignment faults on some 625 1.1.1.2.4.2 rmind * machines.) 626 1.1.1.2.4.2 rmind */ 627 1.1.1.2.4.2 rmind *ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length); 628 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 629 1.1.1.2.4.2 rmind } 630 1.1.1.2.4.2 rmind 631 1.1.1.2.4.2 rmind 632 1.1.1.2.4.2 rmind /******************************************************************************* 633 1.1.1.2.4.2 rmind * 634 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtGetElementLength 635 1.1.1.2.4.2 rmind * 636 1.1.1.2.4.2 rmind * PARAMETERS: ACPI_PKG_CALLBACK 637 1.1.1.2.4.2 rmind * 638 1.1.1.2.4.2 rmind * RETURN: Status 639 1.1.1.2.4.2 rmind * 640 1.1.1.2.4.2 rmind * DESCRIPTION: Get the length of one package element. 641 1.1.1.2.4.2 rmind * 642 1.1.1.2.4.2 rmind ******************************************************************************/ 643 1.1.1.2.4.2 rmind 644 1.1.1.2.4.2 rmind static ACPI_STATUS 645 1.1.1.2.4.2 rmind AcpiUtGetElementLength ( 646 1.1.1.2.4.2 rmind UINT8 ObjectType, 647 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *SourceObject, 648 1.1.1.2.4.2 rmind ACPI_GENERIC_STATE *State, 649 1.1.1.2.4.2 rmind void *Context) 650 1.1.1.2.4.2 rmind { 651 1.1.1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 652 1.1.1.2.4.2 rmind ACPI_PKG_INFO *Info = (ACPI_PKG_INFO *) Context; 653 1.1.1.2.4.2 rmind ACPI_SIZE ObjectSpace; 654 1.1.1.2.4.2 rmind 655 1.1.1.2.4.2 rmind 656 1.1.1.2.4.2 rmind switch (ObjectType) 657 1.1.1.2.4.2 rmind { 658 1.1.1.2.4.2 rmind case ACPI_COPY_TYPE_SIMPLE: 659 1.1.1.2.4.2 rmind 660 1.1.1.2.4.2 rmind /* 661 1.1.1.2.4.2 rmind * Simple object - just get the size (Null object/entry is handled 662 1.1.1.2.4.2 rmind * here also) and sum it into the running package length 663 1.1.1.2.4.2 rmind */ 664 1.1.1.2.4.2 rmind Status = AcpiUtGetSimpleObjectSize (SourceObject, &ObjectSpace); 665 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 666 1.1.1.2.4.2 rmind { 667 1.1.1.2.4.2 rmind return (Status); 668 1.1.1.2.4.2 rmind } 669 1.1.1.2.4.2 rmind 670 1.1.1.2.4.2 rmind Info->Length += ObjectSpace; 671 1.1.1.2.4.2 rmind break; 672 1.1.1.2.4.2 rmind 673 1.1.1.2.4.2 rmind 674 1.1.1.2.4.2 rmind case ACPI_COPY_TYPE_PACKAGE: 675 1.1.1.2.4.2 rmind 676 1.1.1.2.4.2 rmind /* Package object - nothing much to do here, let the walk handle it */ 677 1.1.1.2.4.2 rmind 678 1.1.1.2.4.2 rmind Info->NumPackages++; 679 1.1.1.2.4.2 rmind State->Pkg.ThisTargetObj = NULL; 680 1.1.1.2.4.2 rmind break; 681 1.1.1.2.4.2 rmind 682 1.1.1.2.4.2 rmind 683 1.1.1.2.4.2 rmind default: 684 1.1.1.2.4.2 rmind 685 1.1.1.2.4.2 rmind /* No other types allowed */ 686 1.1.1.2.4.2 rmind 687 1.1.1.2.4.2 rmind return (AE_BAD_PARAMETER); 688 1.1.1.2.4.2 rmind } 689 1.1.1.2.4.2 rmind 690 1.1.1.2.4.2 rmind return (Status); 691 1.1.1.2.4.2 rmind } 692 1.1.1.2.4.2 rmind 693 1.1.1.2.4.2 rmind 694 1.1.1.2.4.2 rmind /******************************************************************************* 695 1.1.1.2.4.2 rmind * 696 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtGetPackageObjectSize 697 1.1.1.2.4.2 rmind * 698 1.1.1.2.4.2 rmind * PARAMETERS: InternalObject - An ACPI internal object 699 1.1.1.2.4.2 rmind * ObjLength - Where the length is returned 700 1.1.1.2.4.2 rmind * 701 1.1.1.2.4.2 rmind * RETURN: Status 702 1.1.1.2.4.2 rmind * 703 1.1.1.2.4.2 rmind * DESCRIPTION: This function is called to determine the space required to 704 1.1.1.2.4.2 rmind * contain a package object for return to an external user. 705 1.1.1.2.4.2 rmind * 706 1.1.1.2.4.2 rmind * This is moderately complex since a package contains other 707 1.1.1.2.4.2 rmind * objects including packages. 708 1.1.1.2.4.2 rmind * 709 1.1.1.2.4.2 rmind ******************************************************************************/ 710 1.1.1.2.4.2 rmind 711 1.1.1.2.4.2 rmind static ACPI_STATUS 712 1.1.1.2.4.2 rmind AcpiUtGetPackageObjectSize ( 713 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *InternalObject, 714 1.1.1.2.4.2 rmind ACPI_SIZE *ObjLength) 715 1.1.1.2.4.2 rmind { 716 1.1.1.2.4.2 rmind ACPI_STATUS Status; 717 1.1.1.2.4.2 rmind ACPI_PKG_INFO Info; 718 1.1.1.2.4.2 rmind 719 1.1.1.2.4.2 rmind 720 1.1.1.2.4.2 rmind ACPI_FUNCTION_TRACE_PTR (UtGetPackageObjectSize, InternalObject); 721 1.1.1.2.4.2 rmind 722 1.1.1.2.4.2 rmind 723 1.1.1.2.4.2 rmind Info.Length = 0; 724 1.1.1.2.4.2 rmind Info.ObjectSpace = 0; 725 1.1.1.2.4.2 rmind Info.NumPackages = 1; 726 1.1.1.2.4.2 rmind 727 1.1.1.2.4.2 rmind Status = AcpiUtWalkPackageTree (InternalObject, NULL, 728 1.1.1.2.4.2 rmind AcpiUtGetElementLength, &Info); 729 1.1.1.2.4.2 rmind if (ACPI_FAILURE (Status)) 730 1.1.1.2.4.2 rmind { 731 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 732 1.1.1.2.4.2 rmind } 733 1.1.1.2.4.2 rmind 734 1.1.1.2.4.2 rmind /* 735 1.1.1.2.4.2 rmind * We have handled all of the objects in all levels of the package. 736 1.1.1.2.4.2 rmind * just add the length of the package objects themselves. 737 1.1.1.2.4.2 rmind * Round up to the next machine word. 738 1.1.1.2.4.2 rmind */ 739 1.1.1.2.4.2 rmind Info.Length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT)) * 740 1.1.1.2.4.2 rmind (ACPI_SIZE) Info.NumPackages; 741 1.1.1.2.4.2 rmind 742 1.1.1.2.4.2 rmind /* Return the total package length */ 743 1.1.1.2.4.2 rmind 744 1.1.1.2.4.2 rmind *ObjLength = Info.Length; 745 1.1.1.2.4.2 rmind return_ACPI_STATUS (Status); 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 * 751 1.1.1.2.4.2 rmind * FUNCTION: AcpiUtGetObjectSize 752 1.1.1.2.4.2 rmind * 753 1.1.1.2.4.2 rmind * PARAMETERS: InternalObject - An ACPI internal object 754 1.1.1.2.4.2 rmind * ObjLength - Where the length will be returned 755 1.1.1.2.4.2 rmind * 756 1.1.1.2.4.2 rmind * RETURN: Status 757 1.1.1.2.4.2 rmind * 758 1.1.1.2.4.2 rmind * DESCRIPTION: This function is called to determine the space required to 759 1.1.1.2.4.2 rmind * contain an object for return to an API user. 760 1.1.1.2.4.2 rmind * 761 1.1.1.2.4.2 rmind ******************************************************************************/ 762 1.1.1.2.4.2 rmind 763 1.1.1.2.4.2 rmind ACPI_STATUS 764 1.1.1.2.4.2 rmind AcpiUtGetObjectSize ( 765 1.1.1.2.4.2 rmind ACPI_OPERAND_OBJECT *InternalObject, 766 1.1.1.2.4.2 rmind ACPI_SIZE *ObjLength) 767 1.1.1.2.4.2 rmind { 768 1.1.1.2.4.2 rmind ACPI_STATUS Status; 769 1.1.1.2.4.2 rmind 770 1.1.1.2.4.2 rmind 771 1.1.1.2.4.2 rmind ACPI_FUNCTION_ENTRY (); 772 1.1.1.2.4.2 rmind 773 1.1.1.2.4.2 rmind 774 1.1.1.2.4.2 rmind if ((ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_OPERAND) && 775 1.1.1.2.4.2 rmind (InternalObject->Common.Type == ACPI_TYPE_PACKAGE)) 776 1.1.1.2.4.2 rmind { 777 1.1.1.2.4.2 rmind Status = AcpiUtGetPackageObjectSize (InternalObject, ObjLength); 778 1.1.1.2.4.2 rmind } 779 1.1.1.2.4.2 rmind else 780 1.1.1.2.4.2 rmind { 781 1.1.1.2.4.2 rmind Status = AcpiUtGetSimpleObjectSize (InternalObject, ObjLength); 782 1.1.1.2.4.2 rmind } 783 1.1.1.2.4.2 rmind 784 1.1.1.2.4.2 rmind return (Status); 785 1.1.1.2.4.2 rmind } 786 1.1.1.2.4.2 rmind 787 1.1.1.2.4.2 rmind 788
Indexes created Wed Oct 01 15:09:59 GMT 2025