1 1.1 jruoho /****************************************************************************** 2 1.1 jruoho * 3 1.1 jruoho * Module Name: excreate - Named object creation 4 1.1 jruoho * 5 1.1 jruoho *****************************************************************************/ 6 1.1 jruoho 7 1.1.1.19 christos /****************************************************************************** 8 1.1.1.19 christos * 9 1.1.1.19 christos * 1. Copyright Notice 10 1.1.1.19 christos * 11 1.1.1.20 christos * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 1.1 jruoho * All rights reserved. 13 1.1 jruoho * 14 1.1.1.19 christos * 2. License 15 1.1.1.19 christos * 16 1.1.1.19 christos * 2.1. This is your license from Intel Corp. under its intellectual property 17 1.1.1.19 christos * rights. You may have additional license terms from the party that provided 18 1.1.1.19 christos * you this software, covering your right to use that party's intellectual 19 1.1.1.19 christos * property rights. 20 1.1.1.19 christos * 21 1.1.1.19 christos * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 1.1.1.19 christos * copy of the source code appearing in this file ("Covered Code") an 23 1.1.1.19 christos * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 1.1.1.19 christos * base code distributed originally by Intel ("Original Intel Code") to copy, 25 1.1.1.19 christos * make derivatives, distribute, use and display any portion of the Covered 26 1.1.1.19 christos * Code in any form, with the right to sublicense such rights; and 27 1.1.1.19 christos * 28 1.1.1.19 christos * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 1.1.1.19 christos * license (with the right to sublicense), under only those claims of Intel 30 1.1.1.19 christos * patents that are infringed by the Original Intel Code, to make, use, sell, 31 1.1.1.19 christos * offer to sell, and import the Covered Code and derivative works thereof 32 1.1.1.19 christos * solely to the minimum extent necessary to exercise the above copyright 33 1.1.1.19 christos * license, and in no event shall the patent license extend to any additions 34 1.1.1.19 christos * to or modifications of the Original Intel Code. No other license or right 35 1.1.1.19 christos * is granted directly or by implication, estoppel or otherwise; 36 1.1.1.19 christos * 37 1.1.1.19 christos * The above copyright and patent license is granted only if the following 38 1.1.1.19 christos * conditions are met: 39 1.1.1.19 christos * 40 1.1.1.19 christos * 3. Conditions 41 1.1.1.19 christos * 42 1.1.1.19 christos * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 1.1.1.19 christos * Redistribution of source code of any substantial portion of the Covered 44 1.1.1.19 christos * Code or modification with rights to further distribute source must include 45 1.1.1.19 christos * the above Copyright Notice, the above License, this list of Conditions, 46 1.1.1.19 christos * and the following Disclaimer and Export Compliance provision. In addition, 47 1.1.1.19 christos * Licensee must cause all Covered Code to which Licensee contributes to 48 1.1.1.19 christos * contain a file documenting the changes Licensee made to create that Covered 49 1.1.1.19 christos * Code and the date of any change. Licensee must include in that file the 50 1.1.1.19 christos * documentation of any changes made by any predecessor Licensee. Licensee 51 1.1.1.19 christos * must include a prominent statement that the modification is derived, 52 1.1.1.19 christos * directly or indirectly, from Original Intel Code. 53 1.1.1.19 christos * 54 1.1.1.19 christos * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 1.1.1.19 christos * Redistribution of source code of any substantial portion of the Covered 56 1.1.1.19 christos * Code or modification without rights to further distribute source must 57 1.1.1.19 christos * include the following Disclaimer and Export Compliance provision in the 58 1.1.1.19 christos * documentation and/or other materials provided with distribution. In 59 1.1.1.19 christos * addition, Licensee may not authorize further sublicense of source of any 60 1.1.1.19 christos * portion of the Covered Code, and must include terms to the effect that the 61 1.1.1.19 christos * license from Licensee to its licensee is limited to the intellectual 62 1.1.1.19 christos * property embodied in the software Licensee provides to its licensee, and 63 1.1.1.19 christos * not to intellectual property embodied in modifications its licensee may 64 1.1.1.19 christos * make. 65 1.1.1.19 christos * 66 1.1.1.19 christos * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 1.1.1.19 christos * substantial portion of the Covered Code or modification must reproduce the 68 1.1.1.19 christos * above Copyright Notice, and the following Disclaimer and Export Compliance 69 1.1.1.19 christos * provision in the documentation and/or other materials provided with the 70 1.1.1.19 christos * distribution. 71 1.1.1.19 christos * 72 1.1.1.19 christos * 3.4. Intel retains all right, title, and interest in and to the Original 73 1.1.1.19 christos * Intel Code. 74 1.1.1.19 christos * 75 1.1.1.19 christos * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 1.1.1.19 christos * Intel shall be used in advertising or otherwise to promote the sale, use or 77 1.1.1.19 christos * other dealings in products derived from or relating to the Covered Code 78 1.1.1.19 christos * without prior written authorization from Intel. 79 1.1.1.19 christos * 80 1.1.1.19 christos * 4. Disclaimer and Export Compliance 81 1.1.1.19 christos * 82 1.1.1.19 christos * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 1.1.1.19 christos * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 1.1.1.19 christos * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 1.1.1.19 christos * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 1.1.1.19 christos 87 1.1.1.19 christos * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 1.1.1.19 christos * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 1.1.1.19 christos * PARTICULAR PURPOSE. 90 1.1.1.19 christos * 91 1.1.1.19 christos * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 1.1.1.19 christos * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 1.1.1.19 christos * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 1.1.1.19 christos * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 1.1.1.19 christos * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 1.1.1.19 christos * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 1.1.1.19 christos * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 1.1.1.19 christos * LIMITED REMEDY. 99 1.1.1.19 christos * 100 1.1.1.19 christos * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 1.1.1.19 christos * software or system incorporating such software without first obtaining any 102 1.1.1.19 christos * required license or other approval from the U. S. Department of Commerce or 103 1.1.1.19 christos * any other agency or department of the United States Government. In the 104 1.1.1.19 christos * event Licensee exports any such software from the United States or 105 1.1.1.19 christos * re-exports any such software from a foreign destination, Licensee shall 106 1.1.1.19 christos * ensure that the distribution and export/re-export of the software is in 107 1.1.1.19 christos * compliance with all laws, regulations, orders, or other restrictions of the 108 1.1.1.19 christos * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 1.1.1.19 christos * any of its subsidiaries will export/re-export any technical data, process, 110 1.1.1.19 christos * software, or service, directly or indirectly, to any country for which the 111 1.1.1.19 christos * United States government or any agency thereof requires an export license, 112 1.1.1.19 christos * other governmental approval, or letter of assurance, without first obtaining 113 1.1.1.19 christos * such license, approval or letter. 114 1.1.1.19 christos * 115 1.1.1.19 christos ***************************************************************************** 116 1.1.1.19 christos * 117 1.1.1.19 christos * Alternatively, you may choose to be licensed under the terms of the 118 1.1.1.19 christos * following license: 119 1.1.1.19 christos * 120 1.1.1.2 jruoho * Redistribution and use in source and binary forms, with or without 121 1.1.1.2 jruoho * modification, are permitted provided that the following conditions 122 1.1.1.2 jruoho * are met: 123 1.1.1.2 jruoho * 1. Redistributions of source code must retain the above copyright 124 1.1.1.2 jruoho * notice, this list of conditions, and the following disclaimer, 125 1.1.1.2 jruoho * without modification. 126 1.1.1.2 jruoho * 2. Redistributions in binary form must reproduce at minimum a disclaimer 127 1.1.1.2 jruoho * substantially similar to the "NO WARRANTY" disclaimer below 128 1.1.1.2 jruoho * ("Disclaimer") and any redistribution must be conditioned upon 129 1.1.1.2 jruoho * including a substantially similar Disclaimer requirement for further 130 1.1.1.2 jruoho * binary redistribution. 131 1.1.1.2 jruoho * 3. Neither the names of the above-listed copyright holders nor the names 132 1.1.1.2 jruoho * of any contributors may be used to endorse or promote products derived 133 1.1.1.2 jruoho * from this software without specific prior written permission. 134 1.1.1.2 jruoho * 135 1.1.1.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 136 1.1.1.2 jruoho * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 137 1.1.1.15 christos * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 138 1.1.1.2 jruoho * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 139 1.1.1.19 christos * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 140 1.1.1.19 christos * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 141 1.1.1.19 christos * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 142 1.1.1.19 christos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 143 1.1.1.19 christos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 144 1.1.1.19 christos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 145 1.1.1.19 christos * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 146 1.1.1.19 christos * 147 1.1.1.19 christos * Alternatively, you may choose to be licensed under the terms of the 148 1.1.1.19 christos * GNU General Public License ("GPL") version 2 as published by the Free 149 1.1.1.19 christos * Software Foundation. 150 1.1.1.19 christos * 151 1.1.1.19 christos *****************************************************************************/ 152 1.1 jruoho 153 1.1 jruoho #include "acpi.h" 154 1.1 jruoho #include "accommon.h" 155 1.1 jruoho #include "acinterp.h" 156 1.1 jruoho #include "amlcode.h" 157 1.1 jruoho #include "acnamesp.h" 158 1.1 jruoho 159 1.1 jruoho 160 1.1 jruoho #define _COMPONENT ACPI_EXECUTER 161 1.1 jruoho ACPI_MODULE_NAME ("excreate") 162 1.1 jruoho 163 1.1 jruoho 164 1.1 jruoho /******************************************************************************* 165 1.1 jruoho * 166 1.1 jruoho * FUNCTION: AcpiExCreateAlias 167 1.1 jruoho * 168 1.1 jruoho * PARAMETERS: WalkState - Current state, contains operands 169 1.1 jruoho * 170 1.1 jruoho * RETURN: Status 171 1.1 jruoho * 172 1.1 jruoho * DESCRIPTION: Create a new named alias 173 1.1 jruoho * 174 1.1 jruoho ******************************************************************************/ 175 1.1 jruoho 176 1.1 jruoho ACPI_STATUS 177 1.1 jruoho AcpiExCreateAlias ( 178 1.1 jruoho ACPI_WALK_STATE *WalkState) 179 1.1 jruoho { 180 1.1 jruoho ACPI_NAMESPACE_NODE *TargetNode; 181 1.1 jruoho ACPI_NAMESPACE_NODE *AliasNode; 182 1.1 jruoho ACPI_STATUS Status = AE_OK; 183 1.1 jruoho 184 1.1 jruoho 185 1.1 jruoho ACPI_FUNCTION_TRACE (ExCreateAlias); 186 1.1 jruoho 187 1.1 jruoho 188 1.1 jruoho /* Get the source/alias operands (both namespace nodes) */ 189 1.1 jruoho 190 1.1 jruoho AliasNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 191 1.1 jruoho TargetNode = (ACPI_NAMESPACE_NODE *) WalkState->Operands[1]; 192 1.1 jruoho 193 1.1 jruoho if ((TargetNode->Type == ACPI_TYPE_LOCAL_ALIAS) || 194 1.1 jruoho (TargetNode->Type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) 195 1.1 jruoho { 196 1.1 jruoho /* 197 1.1 jruoho * Dereference an existing alias so that we don't create a chain 198 1.1.1.4 christos * of aliases. With this code, we guarantee that an alias is 199 1.1 jruoho * always exactly one level of indirection away from the 200 1.1 jruoho * actual aliased name. 201 1.1 jruoho */ 202 1.1 jruoho TargetNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, TargetNode->Object); 203 1.1 jruoho } 204 1.1 jruoho 205 1.1.1.10 christos /* Ensure that the target node is valid */ 206 1.1 jruoho 207 1.1.1.10 christos if (!TargetNode) 208 1.1.1.10 christos { 209 1.1.1.10 christos return_ACPI_STATUS (AE_NULL_OBJECT); 210 1.1.1.10 christos } 211 1.1 jruoho 212 1.1.1.10 christos /* Construct the alias object (a namespace node) */ 213 1.1 jruoho 214 1.1.1.10 christos switch (TargetNode->Type) 215 1.1.1.10 christos { 216 1.1 jruoho case ACPI_TYPE_METHOD: 217 1.1 jruoho /* 218 1.1.1.10 christos * Control method aliases need to be differentiated with 219 1.1.1.10 christos * a special type 220 1.1 jruoho */ 221 1.1 jruoho AliasNode->Type = ACPI_TYPE_LOCAL_METHOD_ALIAS; 222 1.1 jruoho break; 223 1.1 jruoho 224 1.1 jruoho default: 225 1.1 jruoho /* 226 1.1.1.10 christos * All other object types. 227 1.1.1.10 christos * 228 1.1.1.10 christos * The new alias has the type ALIAS and points to the original 229 1.1.1.10 christos * NS node, not the object itself. 230 1.1 jruoho */ 231 1.1.1.10 christos AliasNode->Type = ACPI_TYPE_LOCAL_ALIAS; 232 1.1.1.10 christos AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 233 1.1 jruoho break; 234 1.1 jruoho } 235 1.1 jruoho 236 1.1 jruoho /* Since both operands are Nodes, we don't need to delete them */ 237 1.1 jruoho 238 1.1.1.10 christos AliasNode->Object = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, TargetNode); 239 1.1 jruoho return_ACPI_STATUS (Status); 240 1.1 jruoho } 241 1.1 jruoho 242 1.1 jruoho 243 1.1 jruoho /******************************************************************************* 244 1.1 jruoho * 245 1.1 jruoho * FUNCTION: AcpiExCreateEvent 246 1.1 jruoho * 247 1.1 jruoho * PARAMETERS: WalkState - Current state 248 1.1 jruoho * 249 1.1 jruoho * RETURN: Status 250 1.1 jruoho * 251 1.1 jruoho * DESCRIPTION: Create a new event object 252 1.1 jruoho * 253 1.1 jruoho ******************************************************************************/ 254 1.1 jruoho 255 1.1 jruoho ACPI_STATUS 256 1.1 jruoho AcpiExCreateEvent ( 257 1.1 jruoho ACPI_WALK_STATE *WalkState) 258 1.1 jruoho { 259 1.1 jruoho ACPI_STATUS Status; 260 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 261 1.1 jruoho 262 1.1 jruoho 263 1.1 jruoho ACPI_FUNCTION_TRACE (ExCreateEvent); 264 1.1 jruoho 265 1.1 jruoho 266 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_EVENT); 267 1.1 jruoho if (!ObjDesc) 268 1.1 jruoho { 269 1.1 jruoho Status = AE_NO_MEMORY; 270 1.1 jruoho goto Cleanup; 271 1.1 jruoho } 272 1.1 jruoho 273 1.1 jruoho /* 274 1.1 jruoho * Create the actual OS semaphore, with zero initial units -- meaning 275 1.1 jruoho * that the event is created in an unsignalled state 276 1.1 jruoho */ 277 1.1 jruoho Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0, 278 1.1.1.8 christos &ObjDesc->Event.OsSemaphore); 279 1.1 jruoho if (ACPI_FAILURE (Status)) 280 1.1 jruoho { 281 1.1 jruoho goto Cleanup; 282 1.1 jruoho } 283 1.1 jruoho 284 1.1 jruoho /* Attach object to the Node */ 285 1.1 jruoho 286 1.1.1.8 christos Status = AcpiNsAttachObject ( 287 1.1.1.8 christos (ACPI_NAMESPACE_NODE *) WalkState->Operands[0], 288 1.1.1.8 christos ObjDesc, ACPI_TYPE_EVENT); 289 1.1 jruoho 290 1.1 jruoho Cleanup: 291 1.1 jruoho /* 292 1.1 jruoho * Remove local reference to the object (on error, will cause deletion 293 1.1 jruoho * of both object and semaphore if present.) 294 1.1 jruoho */ 295 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 296 1.1 jruoho return_ACPI_STATUS (Status); 297 1.1 jruoho } 298 1.1 jruoho 299 1.1 jruoho 300 1.1 jruoho /******************************************************************************* 301 1.1 jruoho * 302 1.1 jruoho * FUNCTION: AcpiExCreateMutex 303 1.1 jruoho * 304 1.1 jruoho * PARAMETERS: WalkState - Current state 305 1.1 jruoho * 306 1.1 jruoho * RETURN: Status 307 1.1 jruoho * 308 1.1 jruoho * DESCRIPTION: Create a new mutex object 309 1.1 jruoho * 310 1.1 jruoho * Mutex (Name[0], SyncLevel[1]) 311 1.1 jruoho * 312 1.1 jruoho ******************************************************************************/ 313 1.1 jruoho 314 1.1 jruoho ACPI_STATUS 315 1.1 jruoho AcpiExCreateMutex ( 316 1.1 jruoho ACPI_WALK_STATE *WalkState) 317 1.1 jruoho { 318 1.1 jruoho ACPI_STATUS Status = AE_OK; 319 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 320 1.1 jruoho 321 1.1 jruoho 322 1.1 jruoho ACPI_FUNCTION_TRACE_PTR (ExCreateMutex, ACPI_WALK_OPERANDS); 323 1.1 jruoho 324 1.1 jruoho 325 1.1 jruoho /* Create the new mutex object */ 326 1.1 jruoho 327 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_MUTEX); 328 1.1 jruoho if (!ObjDesc) 329 1.1 jruoho { 330 1.1 jruoho Status = AE_NO_MEMORY; 331 1.1 jruoho goto Cleanup; 332 1.1 jruoho } 333 1.1 jruoho 334 1.1 jruoho /* Create the actual OS Mutex */ 335 1.1 jruoho 336 1.1 jruoho Status = AcpiOsCreateMutex (&ObjDesc->Mutex.OsMutex); 337 1.1 jruoho if (ACPI_FAILURE (Status)) 338 1.1 jruoho { 339 1.1 jruoho goto Cleanup; 340 1.1 jruoho } 341 1.1 jruoho 342 1.1 jruoho /* Init object and attach to NS node */ 343 1.1 jruoho 344 1.1 jruoho ObjDesc->Mutex.SyncLevel = (UINT8) WalkState->Operands[1]->Integer.Value; 345 1.1 jruoho ObjDesc->Mutex.Node = (ACPI_NAMESPACE_NODE *) WalkState->Operands[0]; 346 1.1 jruoho 347 1.1.1.8 christos Status = AcpiNsAttachObject ( 348 1.1.1.8 christos ObjDesc->Mutex.Node, ObjDesc, ACPI_TYPE_MUTEX); 349 1.1 jruoho 350 1.1 jruoho 351 1.1 jruoho Cleanup: 352 1.1 jruoho /* 353 1.1 jruoho * Remove local reference to the object (on error, will cause deletion 354 1.1 jruoho * of both object and semaphore if present.) 355 1.1 jruoho */ 356 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 357 1.1 jruoho return_ACPI_STATUS (Status); 358 1.1 jruoho } 359 1.1 jruoho 360 1.1 jruoho 361 1.1 jruoho /******************************************************************************* 362 1.1 jruoho * 363 1.1 jruoho * FUNCTION: AcpiExCreateRegion 364 1.1 jruoho * 365 1.1 jruoho * PARAMETERS: AmlStart - Pointer to the region declaration AML 366 1.1 jruoho * AmlLength - Max length of the declaration AML 367 1.1.1.4 christos * SpaceId - Address space ID for the region 368 1.1 jruoho * WalkState - Current state 369 1.1 jruoho * 370 1.1 jruoho * RETURN: Status 371 1.1 jruoho * 372 1.1 jruoho * DESCRIPTION: Create a new operation region object 373 1.1 jruoho * 374 1.1 jruoho ******************************************************************************/ 375 1.1 jruoho 376 1.1 jruoho ACPI_STATUS 377 1.1 jruoho AcpiExCreateRegion ( 378 1.1 jruoho UINT8 *AmlStart, 379 1.1 jruoho UINT32 AmlLength, 380 1.1.1.4 christos UINT8 SpaceId, 381 1.1 jruoho ACPI_WALK_STATE *WalkState) 382 1.1 jruoho { 383 1.1 jruoho ACPI_STATUS Status; 384 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 385 1.1 jruoho ACPI_NAMESPACE_NODE *Node; 386 1.1 jruoho ACPI_OPERAND_OBJECT *RegionObj2; 387 1.1 jruoho 388 1.1 jruoho 389 1.1 jruoho ACPI_FUNCTION_TRACE (ExCreateRegion); 390 1.1 jruoho 391 1.1 jruoho 392 1.1 jruoho /* Get the Namespace Node */ 393 1.1 jruoho 394 1.1 jruoho Node = WalkState->Op->Common.Node; 395 1.1 jruoho 396 1.1 jruoho /* 397 1.1 jruoho * If the region object is already attached to this node, 398 1.1 jruoho * just return 399 1.1 jruoho */ 400 1.1 jruoho if (AcpiNsGetAttachedObject (Node)) 401 1.1 jruoho { 402 1.1 jruoho return_ACPI_STATUS (AE_OK); 403 1.1 jruoho } 404 1.1 jruoho 405 1.1 jruoho /* 406 1.1 jruoho * Space ID must be one of the predefined IDs, or in the user-defined 407 1.1 jruoho * range 408 1.1 jruoho */ 409 1.1.1.4 christos if (!AcpiIsValidSpaceId (SpaceId)) 410 1.1 jruoho { 411 1.1.1.4 christos /* 412 1.1.1.4 christos * Print an error message, but continue. We don't want to abort 413 1.1.1.4 christos * a table load for this exception. Instead, if the region is 414 1.1.1.4 christos * actually used at runtime, abort the executing method. 415 1.1.1.4 christos */ 416 1.1.1.8 christos ACPI_ERROR ((AE_INFO, 417 1.1.1.8 christos "Invalid/unknown Address Space ID: 0x%2.2X", SpaceId)); 418 1.1 jruoho } 419 1.1 jruoho 420 1.1 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n", 421 1.1.1.4 christos AcpiUtGetRegionName (SpaceId), SpaceId)); 422 1.1 jruoho 423 1.1 jruoho /* Create the region descriptor */ 424 1.1 jruoho 425 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION); 426 1.1 jruoho if (!ObjDesc) 427 1.1 jruoho { 428 1.1 jruoho Status = AE_NO_MEMORY; 429 1.1 jruoho goto Cleanup; 430 1.1 jruoho } 431 1.1 jruoho 432 1.1 jruoho /* 433 1.1 jruoho * Remember location in AML stream of address & length 434 1.1 jruoho * operands since they need to be evaluated at run time. 435 1.1 jruoho */ 436 1.1.1.8 christos RegionObj2 = AcpiNsGetSecondaryObject (ObjDesc); 437 1.1 jruoho RegionObj2->Extra.AmlStart = AmlStart; 438 1.1 jruoho RegionObj2->Extra.AmlLength = AmlLength; 439 1.1.1.8 christos RegionObj2->Extra.Method_REG = NULL; 440 1.1.1.4 christos if (WalkState->ScopeInfo) 441 1.1.1.4 christos { 442 1.1.1.4 christos RegionObj2->Extra.ScopeNode = WalkState->ScopeInfo->Scope.Node; 443 1.1.1.4 christos } 444 1.1.1.4 christos else 445 1.1.1.4 christos { 446 1.1.1.4 christos RegionObj2->Extra.ScopeNode = Node; 447 1.1.1.4 christos } 448 1.1 jruoho 449 1.1 jruoho /* Init the region from the operands */ 450 1.1 jruoho 451 1.1.1.4 christos ObjDesc->Region.SpaceId = SpaceId; 452 1.1 jruoho ObjDesc->Region.Address = 0; 453 1.1 jruoho ObjDesc->Region.Length = 0; 454 1.1.1.16 christos ObjDesc->Region.Pointer = NULL; 455 1.1 jruoho ObjDesc->Region.Node = Node; 456 1.1.1.8 christos ObjDesc->Region.Handler = NULL; 457 1.1.1.8 christos ObjDesc->Common.Flags &= 458 1.1.1.8 christos ~(AOPOBJ_SETUP_COMPLETE | AOPOBJ_REG_CONNECTED | 459 1.1.1.8 christos AOPOBJ_OBJECT_INITIALIZED); 460 1.1 jruoho 461 1.1 jruoho /* Install the new region object in the parent Node */ 462 1.1 jruoho 463 1.1 jruoho Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_REGION); 464 1.1 jruoho 465 1.1 jruoho 466 1.1 jruoho Cleanup: 467 1.1 jruoho 468 1.1 jruoho /* Remove local reference to the object */ 469 1.1 jruoho 470 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 471 1.1 jruoho return_ACPI_STATUS (Status); 472 1.1 jruoho } 473 1.1 jruoho 474 1.1 jruoho 475 1.1 jruoho /******************************************************************************* 476 1.1 jruoho * 477 1.1 jruoho * FUNCTION: AcpiExCreateProcessor 478 1.1 jruoho * 479 1.1 jruoho * PARAMETERS: WalkState - Current state 480 1.1 jruoho * 481 1.1 jruoho * RETURN: Status 482 1.1 jruoho * 483 1.1 jruoho * DESCRIPTION: Create a new processor object and populate the fields 484 1.1 jruoho * 485 1.1 jruoho * Processor (Name[0], CpuID[1], PblockAddr[2], PblockLength[3]) 486 1.1 jruoho * 487 1.1 jruoho ******************************************************************************/ 488 1.1 jruoho 489 1.1 jruoho ACPI_STATUS 490 1.1 jruoho AcpiExCreateProcessor ( 491 1.1 jruoho ACPI_WALK_STATE *WalkState) 492 1.1 jruoho { 493 1.1 jruoho ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 494 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 495 1.1 jruoho ACPI_STATUS Status; 496 1.1 jruoho 497 1.1 jruoho 498 1.1 jruoho ACPI_FUNCTION_TRACE_PTR (ExCreateProcessor, WalkState); 499 1.1 jruoho 500 1.1 jruoho 501 1.1 jruoho /* Create the processor object */ 502 1.1 jruoho 503 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PROCESSOR); 504 1.1 jruoho if (!ObjDesc) 505 1.1 jruoho { 506 1.1 jruoho return_ACPI_STATUS (AE_NO_MEMORY); 507 1.1 jruoho } 508 1.1 jruoho 509 1.1 jruoho /* Initialize the processor object from the operands */ 510 1.1 jruoho 511 1.1 jruoho ObjDesc->Processor.ProcId = (UINT8) Operand[1]->Integer.Value; 512 1.1 jruoho ObjDesc->Processor.Length = (UINT8) Operand[3]->Integer.Value; 513 1.1 jruoho ObjDesc->Processor.Address = (ACPI_IO_ADDRESS) Operand[2]->Integer.Value; 514 1.1 jruoho 515 1.1 jruoho /* Install the processor object in the parent Node */ 516 1.1 jruoho 517 1.1 jruoho Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 518 1.1.1.8 christos ObjDesc, ACPI_TYPE_PROCESSOR); 519 1.1 jruoho 520 1.1 jruoho /* Remove local reference to the object */ 521 1.1 jruoho 522 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 523 1.1 jruoho return_ACPI_STATUS (Status); 524 1.1 jruoho } 525 1.1 jruoho 526 1.1 jruoho 527 1.1 jruoho /******************************************************************************* 528 1.1 jruoho * 529 1.1 jruoho * FUNCTION: AcpiExCreatePowerResource 530 1.1 jruoho * 531 1.1 jruoho * PARAMETERS: WalkState - Current state 532 1.1 jruoho * 533 1.1 jruoho * RETURN: Status 534 1.1 jruoho * 535 1.1 jruoho * DESCRIPTION: Create a new PowerResource object and populate the fields 536 1.1 jruoho * 537 1.1 jruoho * PowerResource (Name[0], SystemLevel[1], ResourceOrder[2]) 538 1.1 jruoho * 539 1.1 jruoho ******************************************************************************/ 540 1.1 jruoho 541 1.1 jruoho ACPI_STATUS 542 1.1 jruoho AcpiExCreatePowerResource ( 543 1.1 jruoho ACPI_WALK_STATE *WalkState) 544 1.1 jruoho { 545 1.1 jruoho ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 546 1.1 jruoho ACPI_STATUS Status; 547 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 548 1.1 jruoho 549 1.1 jruoho 550 1.1 jruoho ACPI_FUNCTION_TRACE_PTR (ExCreatePowerResource, WalkState); 551 1.1 jruoho 552 1.1 jruoho 553 1.1 jruoho /* Create the power resource object */ 554 1.1 jruoho 555 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_POWER); 556 1.1 jruoho if (!ObjDesc) 557 1.1 jruoho { 558 1.1 jruoho return_ACPI_STATUS (AE_NO_MEMORY); 559 1.1 jruoho } 560 1.1 jruoho 561 1.1 jruoho /* Initialize the power object from the operands */ 562 1.1 jruoho 563 1.1 jruoho ObjDesc->PowerResource.SystemLevel = (UINT8) Operand[1]->Integer.Value; 564 1.1 jruoho ObjDesc->PowerResource.ResourceOrder = (UINT16) Operand[2]->Integer.Value; 565 1.1 jruoho 566 1.1 jruoho /* Install the power resource object in the parent Node */ 567 1.1 jruoho 568 1.1 jruoho Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 569 1.1.1.8 christos ObjDesc, ACPI_TYPE_POWER); 570 1.1 jruoho 571 1.1 jruoho /* Remove local reference to the object */ 572 1.1 jruoho 573 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 574 1.1 jruoho return_ACPI_STATUS (Status); 575 1.1 jruoho } 576 1.1 jruoho 577 1.1 jruoho 578 1.1 jruoho /******************************************************************************* 579 1.1 jruoho * 580 1.1 jruoho * FUNCTION: AcpiExCreateMethod 581 1.1 jruoho * 582 1.1 jruoho * PARAMETERS: AmlStart - First byte of the method's AML 583 1.1 jruoho * AmlLength - AML byte count for this method 584 1.1 jruoho * WalkState - Current state 585 1.1 jruoho * 586 1.1 jruoho * RETURN: Status 587 1.1 jruoho * 588 1.1 jruoho * DESCRIPTION: Create a new method object 589 1.1 jruoho * 590 1.1 jruoho ******************************************************************************/ 591 1.1 jruoho 592 1.1 jruoho ACPI_STATUS 593 1.1 jruoho AcpiExCreateMethod ( 594 1.1 jruoho UINT8 *AmlStart, 595 1.1 jruoho UINT32 AmlLength, 596 1.1 jruoho ACPI_WALK_STATE *WalkState) 597 1.1 jruoho { 598 1.1 jruoho ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 599 1.1 jruoho ACPI_OPERAND_OBJECT *ObjDesc; 600 1.1 jruoho ACPI_STATUS Status; 601 1.1 jruoho UINT8 MethodFlags; 602 1.1 jruoho 603 1.1 jruoho 604 1.1 jruoho ACPI_FUNCTION_TRACE_PTR (ExCreateMethod, WalkState); 605 1.1 jruoho 606 1.1 jruoho 607 1.1 jruoho /* Create a new method object */ 608 1.1 jruoho 609 1.1 jruoho ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); 610 1.1 jruoho if (!ObjDesc) 611 1.1 jruoho { 612 1.1 jruoho Status = AE_NO_MEMORY; 613 1.1 jruoho goto Exit; 614 1.1 jruoho } 615 1.1 jruoho 616 1.1 jruoho /* Save the method's AML pointer and length */ 617 1.1 jruoho 618 1.1 jruoho ObjDesc->Method.AmlStart = AmlStart; 619 1.1 jruoho ObjDesc->Method.AmlLength = AmlLength; 620 1.1.1.7 christos ObjDesc->Method.Node = Operand[0]; 621 1.1 jruoho 622 1.1 jruoho /* 623 1.1.1.2 jruoho * Disassemble the method flags. Split off the ArgCount, Serialized 624 1.1.1.2 jruoho * flag, and SyncLevel for efficiency. 625 1.1 jruoho */ 626 1.1 jruoho MethodFlags = (UINT8) Operand[1]->Integer.Value; 627 1.1.1.8 christos ObjDesc->Method.ParamCount = (UINT8) 628 1.1.1.8 christos (MethodFlags & AML_METHOD_ARG_COUNT); 629 1.1 jruoho 630 1.1 jruoho /* 631 1.1 jruoho * Get the SyncLevel. If method is serialized, a mutex will be 632 1.1 jruoho * created for this method when it is parsed. 633 1.1 jruoho */ 634 1.1 jruoho if (MethodFlags & AML_METHOD_SERIALIZED) 635 1.1 jruoho { 636 1.1.1.2 jruoho ObjDesc->Method.InfoFlags = ACPI_METHOD_SERIALIZED; 637 1.1.1.2 jruoho 638 1.1 jruoho /* 639 1.1 jruoho * ACPI 1.0: SyncLevel = 0 640 1.1 jruoho * ACPI 2.0: SyncLevel = SyncLevel in method declaration 641 1.1 jruoho */ 642 1.1 jruoho ObjDesc->Method.SyncLevel = (UINT8) 643 1.1 jruoho ((MethodFlags & AML_METHOD_SYNC_LEVEL) >> 4); 644 1.1 jruoho } 645 1.1 jruoho 646 1.1 jruoho /* Attach the new object to the method Node */ 647 1.1 jruoho 648 1.1 jruoho Status = AcpiNsAttachObject ((ACPI_NAMESPACE_NODE *) Operand[0], 649 1.1.1.8 christos ObjDesc, ACPI_TYPE_METHOD); 650 1.1 jruoho 651 1.1 jruoho /* Remove local reference to the object */ 652 1.1 jruoho 653 1.1 jruoho AcpiUtRemoveReference (ObjDesc); 654 1.1 jruoho 655 1.1 jruoho Exit: 656 1.1 jruoho /* Remove a reference to the operand */ 657 1.1 jruoho 658 1.1 jruoho AcpiUtRemoveReference (Operand[1]); 659 1.1 jruoho return_ACPI_STATUS (Status); 660 1.1 jruoho } 661