1/****************************************************************************** 2 * 3 * Module Name: dswexec - Dispatcher method execution callbacks; 4 * dispatch to interpreter.
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5 * $Revision: 1.120 $
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5 * $Revision: 1.134 $ |
6 * 7 *****************************************************************************/ 8 9/****************************************************************************** 10 * 11 * 1. Copyright Notice 12 *
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13 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
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13 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. |
14 * All rights reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118#define __DSWEXEC_C__ 119 120#include <contrib/dev/acpica/acpi.h> 121#include <contrib/dev/acpica/acparser.h> 122#include <contrib/dev/acpica/amlcode.h> 123#include <contrib/dev/acpica/acdispat.h> 124#include <contrib/dev/acpica/acinterp.h> 125#include <contrib/dev/acpica/acnamesp.h> 126#include <contrib/dev/acpica/acdebug.h>
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127#include <contrib/dev/acpica/acdisasm.h>
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127 128 129#define _COMPONENT ACPI_DISPATCHER 130 ACPI_MODULE_NAME ("dswexec") 131 132/* 133 * Dispatch table for opcode classes 134 */
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136static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch [] = {
137 AcpiExOpcode_0A_0T_1R,
138 AcpiExOpcode_1A_0T_0R,
139 AcpiExOpcode_1A_0T_1R,
140 AcpiExOpcode_1A_1T_0R,
141 AcpiExOpcode_1A_1T_1R,
142 AcpiExOpcode_2A_0T_0R,
143 AcpiExOpcode_2A_0T_1R,
144 AcpiExOpcode_2A_1T_1R,
145 AcpiExOpcode_2A_2T_1R,
146 AcpiExOpcode_3A_0T_0R,
147 AcpiExOpcode_3A_1T_1R,
148 AcpiExOpcode_6A_0T_1R};
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135static ACPI_EXECUTE_OP AcpiGbl_OpTypeDispatch [] = 136{ 137 AcpiExOpcode_0A_0T_1R, 138 AcpiExOpcode_1A_0T_0R, 139 AcpiExOpcode_1A_0T_1R, 140 AcpiExOpcode_1A_1T_0R, 141 AcpiExOpcode_1A_1T_1R, 142 AcpiExOpcode_2A_0T_0R, 143 AcpiExOpcode_2A_0T_1R, 144 AcpiExOpcode_2A_1T_1R, 145 AcpiExOpcode_2A_2T_1R, 146 AcpiExOpcode_3A_0T_0R, 147 AcpiExOpcode_3A_1T_1R, 148 AcpiExOpcode_6A_0T_1R 149}; |
150 151 152/***************************************************************************** 153 * 154 * FUNCTION: AcpiDsGetPredicateValue 155 * 156 * PARAMETERS: WalkState - Current state of the parse tree walk 157 * ResultObj - if non-zero, pop result from result stack 158 * 159 * RETURN: Status 160 * 161 * DESCRIPTION: Get the result of a predicate evaluation 162 * 163 ****************************************************************************/ 164 165ACPI_STATUS 166AcpiDsGetPredicateValue ( 167 ACPI_WALK_STATE *WalkState, 168 ACPI_OPERAND_OBJECT *ResultObj) 169{ 170 ACPI_STATUS Status = AE_OK; 171 ACPI_OPERAND_OBJECT *ObjDesc; 172 ACPI_OPERAND_OBJECT *LocalObjDesc = NULL; 173 174
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174 ACPI_FUNCTION_TRACE_PTR ("DsGetPredicateValue", WalkState);
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175 ACPI_FUNCTION_TRACE_PTR (DsGetPredicateValue, WalkState); |
176 177 178 WalkState->ControlState->Common.State = 0; 179 180 if (ResultObj) 181 { 182 Status = AcpiDsResultPop (&ObjDesc, WalkState); 183 if (ACPI_FAILURE (Status)) 184 {
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184 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
185 "Could not get result from predicate evaluation, %s\n",
186 AcpiFormatException (Status)));
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185 ACPI_EXCEPTION ((AE_INFO, Status, 186 "Could not get result from predicate evaluation")); |
187 188 return_ACPI_STATUS (Status); 189 } 190 } 191 else 192 { 193 Status = AcpiDsCreateOperand (WalkState, WalkState->Op, 0); 194 if (ACPI_FAILURE (Status)) 195 { 196 return_ACPI_STATUS (Status); 197 } 198 199 Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState); 200 if (ACPI_FAILURE (Status)) 201 { 202 return_ACPI_STATUS (Status); 203 } 204 205 ObjDesc = WalkState->Operands [0]; 206 } 207 208 if (!ObjDesc) 209 {
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210 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
211 "No predicate ObjDesc=%p State=%p\n",
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210 ACPI_ERROR ((AE_INFO, 211 "No predicate ObjDesc=%p State=%p", |
212 ObjDesc, WalkState)); 213 214 return_ACPI_STATUS (AE_AML_NO_OPERAND); 215 } 216 217 /* 218 * Result of predicate evaluation must be an Integer 219 * object. Implicitly convert the argument if necessary. 220 */ 221 Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16); 222 if (ACPI_FAILURE (Status)) 223 { 224 goto Cleanup; 225 } 226 227 if (ACPI_GET_OBJECT_TYPE (LocalObjDesc) != ACPI_TYPE_INTEGER) 228 {
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229 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
230 "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X\n",
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229 ACPI_ERROR ((AE_INFO, 230 "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X", |
231 ObjDesc, WalkState, ACPI_GET_OBJECT_TYPE (ObjDesc))); 232 233 Status = AE_AML_OPERAND_TYPE; 234 goto Cleanup; 235 } 236 237 /* Truncate the predicate to 32-bits if necessary */ 238 239 AcpiExTruncateFor32bitTable (LocalObjDesc); 240 241 /* 242 * Save the result of the predicate evaluation on 243 * the control stack 244 */ 245 if (LocalObjDesc->Integer.Value) 246 { 247 WalkState->ControlState->Common.Value = TRUE; 248 } 249 else 250 { 251 /* 252 * Predicate is FALSE, we will just toss the 253 * rest of the package 254 */ 255 WalkState->ControlState->Common.Value = FALSE; 256 Status = AE_CTRL_FALSE; 257 } 258 259 260Cleanup: 261 262 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n", 263 WalkState->ControlState->Common.Value, WalkState->Op)); 264 265 /* Break to debugger to display result */ 266 267 ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (LocalObjDesc, WalkState)); 268 269 /* 270 * Delete the predicate result object (we know that 271 * we don't need it anymore) 272 */ 273 if (LocalObjDesc != ObjDesc) 274 { 275 AcpiUtRemoveReference (LocalObjDesc); 276 } 277 AcpiUtRemoveReference (ObjDesc); 278 279 WalkState->ControlState->Common.State = ACPI_CONTROL_NORMAL; 280 return_ACPI_STATUS (Status); 281} 282 283 284/***************************************************************************** 285 * 286 * FUNCTION: AcpiDsExecBeginOp 287 * 288 * PARAMETERS: WalkState - Current state of the parse tree walk 289 * OutOp - Where to return op if a new one is created 290 * 291 * RETURN: Status 292 * 293 * DESCRIPTION: Descending callback used during the execution of control 294 * methods. This is where most operators and operands are 295 * dispatched to the interpreter. 296 * 297 ****************************************************************************/ 298 299ACPI_STATUS 300AcpiDsExecBeginOp ( 301 ACPI_WALK_STATE *WalkState, 302 ACPI_PARSE_OBJECT **OutOp) 303{ 304 ACPI_PARSE_OBJECT *Op; 305 ACPI_STATUS Status = AE_OK; 306 UINT32 OpcodeClass; 307 308
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309 ACPI_FUNCTION_TRACE_PTR ("DsExecBeginOp", WalkState);
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309 ACPI_FUNCTION_TRACE_PTR (DsExecBeginOp, WalkState); |
310 311 312 Op = WalkState->Op; 313 if (!Op) 314 { 315 Status = AcpiDsLoad2BeginOp (WalkState, OutOp); 316 if (ACPI_FAILURE (Status)) 317 {
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318 return_ACPI_STATUS (Status);
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318 goto ErrorExit; |
319 } 320 321 Op = *OutOp; 322 WalkState->Op = Op; 323 WalkState->Opcode = Op->Common.AmlOpcode; 324 WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 325 326 if (AcpiNsOpensScope (WalkState->OpInfo->ObjectType)) 327 { 328 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 329 "(%s) Popping scope for Op %p\n", 330 AcpiUtGetTypeName (WalkState->OpInfo->ObjectType), Op)); 331 332 Status = AcpiDsScopeStackPop (WalkState); 333 if (ACPI_FAILURE (Status)) 334 {
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335 return_ACPI_STATUS (Status);
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335 goto ErrorExit; |
336 } 337 } 338 } 339 340 if (Op == WalkState->Origin) 341 { 342 if (OutOp) 343 { 344 *OutOp = Op; 345 } 346 347 return_ACPI_STATUS (AE_OK); 348 } 349 350 /* 351 * If the previous opcode was a conditional, this opcode 352 * must be the beginning of the associated predicate. 353 * Save this knowledge in the current scope descriptor 354 */ 355 if ((WalkState->ControlState) && 356 (WalkState->ControlState->Common.State == 357 ACPI_CONTROL_CONDITIONAL_EXECUTING)) 358 { 359 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Exec predicate Op=%p State=%p\n", 360 Op, WalkState)); 361 362 WalkState->ControlState->Common.State = ACPI_CONTROL_PREDICATE_EXECUTING; 363 364 /* Save start of predicate */ 365 366 WalkState->ControlState->Control.PredicateOp = Op; 367 } 368 369 370 OpcodeClass = WalkState->OpInfo->Class; 371 372 /* We want to send namepaths to the load code */ 373 374 if (Op->Common.AmlOpcode == AML_INT_NAMEPATH_OP) 375 { 376 OpcodeClass = AML_CLASS_NAMED_OBJECT; 377 } 378 379 /* 380 * Handle the opcode based upon the opcode type 381 */ 382 switch (OpcodeClass) 383 { 384 case AML_CLASS_CONTROL: 385
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386 Status = AcpiDsResultStackPush (WalkState);
387 if (ACPI_FAILURE (Status))
388 {
389 return_ACPI_STATUS (Status);
390 }
391
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386 Status = AcpiDsExecBeginControlOp (WalkState, Op); 387 break; 388 389 390 case AML_CLASS_NAMED_OBJECT: 391
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398 if (WalkState->WalkType == ACPI_WALK_METHOD)
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392 if (WalkState->WalkType & ACPI_WALK_METHOD) |
393 { 394 /* 395 * Found a named object declaration during method execution; 396 * we must enter this object into the namespace. The created 397 * object is temporary and will be deleted upon completion of 398 * the execution of this method. 399 */ 400 Status = AcpiDsLoad2BeginOp (WalkState, NULL); 401 } 402
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409 if (Op->Common.AmlOpcode == AML_REGION_OP)
410 {
411 Status = AcpiDsResultStackPush (WalkState);
412 }
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403 break; 404 405 406 case AML_CLASS_EXECUTE: 407 case AML_CLASS_CREATE: 408
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419 /*
420 * Most operators with arguments.
421 * Start a new result/operand state
422 */
423 Status = AcpiDsResultStackPush (WalkState);
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409 break; 410 411 412 default: 413 break; 414 } 415 416 /* Nothing to do here during method execution */ 417 418 return_ACPI_STATUS (Status);
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419 420 421ErrorExit: 422 Status = AcpiDsMethodError (Status, WalkState); 423 return_ACPI_STATUS (Status); |
424} 425 426 427/***************************************************************************** 428 * 429 * FUNCTION: AcpiDsExecEndOp 430 * 431 * PARAMETERS: WalkState - Current state of the parse tree walk 432 * 433 * RETURN: Status 434 * 435 * DESCRIPTION: Ascending callback used during the execution of control 436 * methods. The only thing we really need to do here is to 437 * notice the beginning of IF, ELSE, and WHILE blocks. 438 * 439 ****************************************************************************/ 440 441ACPI_STATUS 442AcpiDsExecEndOp ( 443 ACPI_WALK_STATE *WalkState) 444{ 445 ACPI_PARSE_OBJECT *Op; 446 ACPI_STATUS Status = AE_OK; 447 UINT32 OpType; 448 UINT32 OpClass; 449 ACPI_PARSE_OBJECT *NextOp; 450 ACPI_PARSE_OBJECT *FirstArg; 451 452
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463 ACPI_FUNCTION_TRACE_PTR ("DsExecEndOp", WalkState);
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453 ACPI_FUNCTION_TRACE_PTR (DsExecEndOp, WalkState); |
454 455 456 Op = WalkState->Op; 457 OpType = WalkState->OpInfo->Type; 458 OpClass = WalkState->OpInfo->Class; 459 460 if (OpClass == AML_CLASS_UNKNOWN) 461 {
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472 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown opcode %X\n", Op->Common.AmlOpcode));
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462 ACPI_ERROR ((AE_INFO, "Unknown opcode %X", Op->Common.AmlOpcode)); |
463 return_ACPI_STATUS (AE_NOT_IMPLEMENTED); 464 } 465 466 FirstArg = Op->Common.Value.Arg; 467 468 /* Init the walk state */ 469 470 WalkState->NumOperands = 0;
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471 WalkState->OperandIndex = 0; |
472 WalkState->ReturnDesc = NULL; 473 WalkState->ResultObj = NULL; 474 475 /* Call debugger for single step support (DEBUG build only) */ 476 477 ACPI_DEBUGGER_EXEC (Status = AcpiDbSingleStep (WalkState, Op, OpClass)); 478 ACPI_DEBUGGER_EXEC (if (ACPI_FAILURE (Status)) {return_ACPI_STATUS (Status);}); 479 480 /* Decode the Opcode Class */ 481 482 switch (OpClass) 483 {
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493 case AML_CLASS_ARGUMENT: /* constants, literals, etc. - do nothing */
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484 case AML_CLASS_ARGUMENT: /* Constants, literals, etc. */ 485 486 if (WalkState->Opcode == AML_INT_NAMEPATH_OP) 487 { 488 Status = AcpiDsEvaluateNamePath (WalkState); 489 if (ACPI_FAILURE (Status)) 490 { 491 goto Cleanup; 492 } 493 } |
494 break; 495 496
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497 case AML_CLASS_EXECUTE: /* most operators with arguments */
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497 case AML_CLASS_EXECUTE: /* Most operators with arguments */ |
498 499 /* Build resolved operand stack */ 500 501 Status = AcpiDsCreateOperands (WalkState, FirstArg); 502 if (ACPI_FAILURE (Status)) 503 { 504 goto Cleanup; 505 } 506
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507 /* Done with this result state (Now that operand stack is built) */
508
509 Status = AcpiDsResultStackPop (WalkState);
510 if (ACPI_FAILURE (Status))
511 {
512 goto Cleanup;
513 }
514
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507 /* 508 * All opcodes require operand resolution, with the only exceptions 509 * being the ObjectType and SizeOf operators. 510 */ 511 if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE)) 512 { 513 /* Resolve all operands */ 514 515 Status = AcpiExResolveOperands (WalkState->Opcode, 516 &(WalkState->Operands [WalkState->NumOperands -1]), 517 WalkState); 518 if (ACPI_SUCCESS (Status)) 519 { 520 ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, 521 AcpiPsGetOpcodeName (WalkState->Opcode), 522 WalkState->NumOperands, "after ExResolveOperands"); 523 } 524 } 525 526 if (ACPI_SUCCESS (Status)) 527 { 528 /* 529 * Dispatch the request to the appropriate interpreter handler 530 * routine. There is one routine per opcode "type" based upon the 531 * number of opcode arguments and return type. 532 */ 533 Status = AcpiGbl_OpTypeDispatch[OpType] (WalkState); 534 } 535 else 536 { 537 /* 538 * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the 539 * Local is uninitialized. 540 */ 541 if ((Status == AE_AML_UNINITIALIZED_LOCAL) && 542 (WalkState->Opcode == AML_STORE_OP) && 543 (WalkState->Operands[0]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && 544 (WalkState->Operands[1]->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && 545 (WalkState->Operands[0]->Reference.Opcode == 546 WalkState->Operands[1]->Reference.Opcode) && 547 (WalkState->Operands[0]->Reference.Offset == 548 WalkState->Operands[1]->Reference.Offset)) 549 { 550 Status = AE_OK; 551 } 552 else 553 {
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562 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
563 "[%s]: Could not resolve operands, %s\n",
564 AcpiPsGetOpcodeName (WalkState->Opcode),
565 AcpiFormatException (Status)));
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554 ACPI_EXCEPTION ((AE_INFO, Status, 555 "While resolving operands for [%s]", 556 AcpiPsGetOpcodeName (WalkState->Opcode))); |
557 } 558 } 559 560 /* Always delete the argument objects and clear the operand stack */ 561 562 AcpiDsClearOperands (WalkState); 563 564 /* 565 * If a result object was returned from above, push it on the 566 * current result stack 567 */ 568 if (ACPI_SUCCESS (Status) && 569 WalkState->ResultObj) 570 { 571 Status = AcpiDsResultPush (WalkState->ResultObj, WalkState); 572 }
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582
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573 break; 574 575 576 default: 577 578 switch (OpType) 579 { 580 case AML_TYPE_CONTROL: /* Type 1 opcode, IF/ELSE/WHILE/NOOP */ 581 582 /* 1 Operand, 0 ExternalResult, 0 InternalResult */ 583 584 Status = AcpiDsExecEndControlOp (WalkState, Op); 585
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596 /* Make sure to properly pop the result stack */
597
598 if (ACPI_SUCCESS (Status))
599 {
600 Status = AcpiDsResultStackPop (WalkState);
601 }
602 else if (Status == AE_CTRL_PENDING)
603 {
604 Status = AcpiDsResultStackPop (WalkState);
605 if (ACPI_SUCCESS (Status))
606 {
607 Status = AE_CTRL_PENDING;
608 }
609 }
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586 break; 587 588 589 case AML_TYPE_METHOD_CALL: 590 591 /* 592 * If the method is referenced from within a package 593 * declaration, it is not a invocation of the method, just 594 * a reference to it. 595 */ 596 if ((Op->Asl.Parent) && 597 ((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) || 598 (Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP))) 599 { 600 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 601 "Method Reference in a Package, Op=%p\n", Op));
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602 |
603 Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node->Object; 604 AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object); 605 return_ACPI_STATUS (AE_OK); 606 } 607 608 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op)); 609 610 /* 611 * (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains 612 * the method Node pointer 613 */ 614 /* NextOp points to the op that holds the method name */ 615 616 NextOp = FirstArg; 617 618 /* NextOp points to first argument op */ 619 620 NextOp = NextOp->Common.Next; 621 622 /* 623 * Get the method's arguments and put them on the operand stack 624 */ 625 Status = AcpiDsCreateOperands (WalkState, NextOp); 626 if (ACPI_FAILURE (Status)) 627 { 628 break; 629 } 630 631 /* 632 * Since the operands will be passed to another control method, 633 * we must resolve all local references here (Local variables, 634 * arguments to *this* method, etc.) 635 */ 636 Status = AcpiDsResolveOperands (WalkState); 637 if (ACPI_FAILURE (Status)) 638 { 639 /* On error, clear all resolved operands */ 640 641 AcpiDsClearOperands (WalkState); 642 break; 643 } 644 645 /* 646 * Tell the walk loop to preempt this running method and 647 * execute the new method 648 */ 649 Status = AE_CTRL_TRANSFER; 650 651 /* 652 * Return now; we don't want to disturb anything, 653 * especially the operand count! 654 */ 655 return_ACPI_STATUS (Status); 656 657 658 case AML_TYPE_CREATE_FIELD: 659 660 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 661 "Executing CreateField Buffer/Index Op=%p\n", Op)); 662 663 Status = AcpiDsLoad2EndOp (WalkState); 664 if (ACPI_FAILURE (Status)) 665 { 666 break; 667 } 668 669 Status = AcpiDsEvalBufferFieldOperands (WalkState, Op); 670 break; 671 672 673 case AML_TYPE_CREATE_OBJECT: 674 675 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 676 "Executing CreateObject (Buffer/Package) Op=%p\n", Op)); 677 678 switch (Op->Common.Parent->Common.AmlOpcode) 679 { 680 case AML_NAME_OP: 681 682 /* 683 * Put the Node on the object stack (Contains the ACPI Name 684 * of this object) 685 */ 686 WalkState->Operands[0] = (void *) Op->Common.Parent->Common.Node; 687 WalkState->NumOperands = 1; 688 689 Status = AcpiDsCreateNode (WalkState, 690 Op->Common.Parent->Common.Node, 691 Op->Common.Parent); 692 if (ACPI_FAILURE (Status)) 693 { 694 break; 695 } 696 697 /* Fall through */ 698 /*lint -fallthrough */ 699 700 case AML_INT_EVAL_SUBTREE_OP: 701 702 Status = AcpiDsEvalDataObjectOperands (WalkState, Op, 703 AcpiNsGetAttachedObject (Op->Common.Parent->Common.Node)); 704 break; 705 706 default: 707 708 Status = AcpiDsEvalDataObjectOperands (WalkState, Op, NULL); 709 break; 710 } 711
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735 /* Done with result state (Now that operand stack is built) */
736
737 Status = AcpiDsResultStackPop (WalkState);
738 if (ACPI_FAILURE (Status))
739 {
740 goto Cleanup;
741 }
742
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712 /* 713 * If a result object was returned from above, push it on the 714 * current result stack 715 */ 716 if (WalkState->ResultObj) 717 { 718 Status = AcpiDsResultPush (WalkState->ResultObj, WalkState); 719 } 720 break; 721 722 723 case AML_TYPE_NAMED_FIELD: 724 case AML_TYPE_NAMED_COMPLEX: 725 case AML_TYPE_NAMED_SIMPLE: 726 case AML_TYPE_NAMED_NO_OBJ: 727 728 Status = AcpiDsLoad2EndOp (WalkState); 729 if (ACPI_FAILURE (Status)) 730 { 731 break; 732 } 733 734 if (Op->Common.AmlOpcode == AML_REGION_OP) 735 { 736 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 737 "Executing OpRegion Address/Length Op=%p\n", Op)); 738 739 Status = AcpiDsEvalRegionOperands (WalkState, Op); 740 if (ACPI_FAILURE (Status)) 741 { 742 break; 743 }
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775
776 Status = AcpiDsResultStackPop (WalkState);
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744 }
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778
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745 break; 746 747 748 case AML_TYPE_UNDEFINED: 749
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784 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
785 "Undefined opcode type Op=%p\n", Op));
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750 ACPI_ERROR ((AE_INFO, 751 "Undefined opcode type Op=%p", Op)); |
752 return_ACPI_STATUS (AE_NOT_IMPLEMENTED); 753 754 755 case AML_TYPE_BOGUS: 756 757 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 758 "Internal opcode=%X type Op=%p\n", 759 WalkState->Opcode, Op)); 760 break; 761 762 763 default: 764
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799 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
800 "Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p\n",
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765 ACPI_ERROR ((AE_INFO, 766 "Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p", |
767 OpClass, OpType, Op->Common.AmlOpcode, Op)); 768 769 Status = AE_NOT_IMPLEMENTED; 770 break; 771 } 772 } 773 774 /* 775 * ACPI 2.0 support for 64-bit integers: Truncate numeric 776 * result value if we are executing from a 32-bit ACPI table 777 */ 778 AcpiExTruncateFor32bitTable (WalkState->ResultObj); 779 780 /* 781 * Check if we just completed the evaluation of a 782 * conditional predicate 783 */
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818
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784 if ((ACPI_SUCCESS (Status)) && 785 (WalkState->ControlState) && 786 (WalkState->ControlState->Common.State == 787 ACPI_CONTROL_PREDICATE_EXECUTING) && 788 (WalkState->ControlState->Control.PredicateOp == Op)) 789 { 790 Status = AcpiDsGetPredicateValue (WalkState, WalkState->ResultObj); 791 WalkState->ResultObj = NULL; 792 } 793 794 795Cleanup: 796
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832 /* Invoke exception handler on error */
833
834 if (ACPI_FAILURE (Status) &&
835 AcpiGbl_ExceptionHandler &&
836 !(Status & AE_CODE_CONTROL))
837 {
838 AcpiExExitInterpreter ();
839 Status = AcpiGbl_ExceptionHandler (Status,
840 WalkState->MethodNode->Name.Integer, WalkState->Opcode,
841 WalkState->AmlOffset, NULL);
842 (void) AcpiExEnterInterpreter ();
843 }
844
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797 if (WalkState->ResultObj) 798 { 799 /* Break to debugger to display result */ 800 801 ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (WalkState->ResultObj, 802 WalkState)); 803 804 /* 805 * Delete the result op if and only if: 806 * Parent will not use the result -- such as any 807 * non-nested type2 op in a method (parent will be method) 808 */ 809 AcpiDsDeleteResultIfNotUsed (Op, WalkState->ResultObj, WalkState); 810 } 811 812#ifdef _UNDER_DEVELOPMENT 813 814 if (WalkState->ParserState.Aml == WalkState->ParserState.AmlEnd) 815 { 816 AcpiDbMethodEnd (WalkState); 817 } 818#endif 819
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868 /* Always clear the object stack */
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820 /* Invoke exception handler on error */ |
821
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870 WalkState->NumOperands = 0;
871
872#ifdef ACPI_DISASSEMBLER
873
874 /* On error, display method locals/args */
875
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822 if (ACPI_FAILURE (Status)) 823 {
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878 AcpiDmDumpMethodInfo (Status, WalkState, Op);
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824 Status = AcpiDsMethodError (Status, WalkState); |
825 }
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880#endif
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826
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827 /* Always clear the object stack */ 828 829 WalkState->NumOperands = 0; |
830 return_ACPI_STATUS (Status); 831} 832 833
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