dmopcode.c revision 193251
1/******************************************************************************* 2 * 3 * Module Name: dmopcode - AML disassembler, specific AML opcodes 4 * $Revision: 1.101 $ 5 * 6 ******************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117#include "acpi.h" 118#include "acparser.h" 119#include "amlcode.h" 120#include "acdisasm.h" 121 122#ifdef ACPI_DISASSEMBLER 123 124#define _COMPONENT ACPI_CA_DEBUGGER 125 ACPI_MODULE_NAME ("dmopcode") 126 127/* Local prototypes */ 128 129static void 130AcpiDmMatchKeyword ( 131 ACPI_PARSE_OBJECT *Op); 132 133 134/******************************************************************************* 135 * 136 * FUNCTION: AcpiDmMethodFlags 137 * 138 * PARAMETERS: Op - Method Object to be examined 139 * 140 * RETURN: None 141 * 142 * DESCRIPTION: Decode control method flags 143 * 144 ******************************************************************************/ 145 146void 147AcpiDmMethodFlags ( 148 ACPI_PARSE_OBJECT *Op) 149{ 150 UINT32 Flags; 151 UINT32 Args; 152 153 154 /* The next Op contains the flags */ 155 156 Op = AcpiPsGetDepthNext (NULL, Op); 157 Flags = (UINT8) Op->Common.Value.Integer; 158 Args = Flags & 0x07; 159 160 /* Mark the Op as completed */ 161 162 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 163 164 /* 1) Method argument count */ 165 166 AcpiOsPrintf (", %d, ", Args); 167 168 /* 2) Serialize rule */ 169 170 if (!(Flags & 0x08)) 171 { 172 AcpiOsPrintf ("Not"); 173 } 174 175 AcpiOsPrintf ("Serialized"); 176 177 /* 3) SyncLevel */ 178 179 if (Flags & 0xF0) 180 { 181 AcpiOsPrintf (", %d", Flags >> 4); 182 } 183} 184 185 186/******************************************************************************* 187 * 188 * FUNCTION: AcpiDmFieldFlags 189 * 190 * PARAMETERS: Op - Field Object to be examined 191 * 192 * RETURN: None 193 * 194 * DESCRIPTION: Decode Field definition flags 195 * 196 ******************************************************************************/ 197 198void 199AcpiDmFieldFlags ( 200 ACPI_PARSE_OBJECT *Op) 201{ 202 UINT32 Flags; 203 204 205 /* The next peer Op (not child op) contains the flags */ 206 207 Op = Op->Common.Next; 208 Flags = (UINT8) Op->Common.Value.Integer; 209 210 /* Mark the Op as completed */ 211 212 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 213 214 AcpiOsPrintf ("%s, ", AcpiGbl_AccessTypes [Flags & 0x07]); 215 AcpiOsPrintf ("%s, ", AcpiGbl_LockRule [(Flags & 0x10) >> 4]); 216 AcpiOsPrintf ("%s)", AcpiGbl_UpdateRules [(Flags & 0x60) >> 5]); 217} 218 219 220/******************************************************************************* 221 * 222 * FUNCTION: AcpiDmAddressSpace 223 * 224 * PARAMETERS: SpaceId - ID to be translated 225 * 226 * RETURN: None 227 * 228 * DESCRIPTION: Decode a SpaceId to an AddressSpaceKeyword 229 * 230 ******************************************************************************/ 231 232void 233AcpiDmAddressSpace ( 234 UINT8 SpaceId) 235{ 236 237 if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) 238 { 239 if (SpaceId == 0x7F) 240 { 241 AcpiOsPrintf ("FFixedHW, "); 242 } 243 else 244 { 245 AcpiOsPrintf ("0x%.2X, ", SpaceId); 246 } 247 } 248 else 249 { 250 AcpiOsPrintf ("%s, ", AcpiGbl_RegionTypes [SpaceId]); 251 } 252} 253 254 255/******************************************************************************* 256 * 257 * FUNCTION: AcpiDmRegionFlags 258 * 259 * PARAMETERS: Op - Object to be examined 260 * 261 * RETURN: None 262 * 263 * DESCRIPTION: Decode OperationRegion flags 264 * 265 ******************************************************************************/ 266 267void 268AcpiDmRegionFlags ( 269 ACPI_PARSE_OBJECT *Op) 270{ 271 272 273 /* The next Op contains the SpaceId */ 274 275 Op = AcpiPsGetDepthNext (NULL, Op); 276 277 /* Mark the Op as completed */ 278 279 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 280 281 AcpiOsPrintf (", "); 282 AcpiDmAddressSpace ((UINT8) Op->Common.Value.Integer); 283} 284 285 286/******************************************************************************* 287 * 288 * FUNCTION: AcpiDmMatchOp 289 * 290 * PARAMETERS: Op - Match Object to be examined 291 * 292 * RETURN: None 293 * 294 * DESCRIPTION: Decode Match opcode operands 295 * 296 ******************************************************************************/ 297 298void 299AcpiDmMatchOp ( 300 ACPI_PARSE_OBJECT *Op) 301{ 302 ACPI_PARSE_OBJECT *NextOp; 303 304 305 NextOp = AcpiPsGetDepthNext (NULL, Op); 306 NextOp = NextOp->Common.Next; 307 308 if (!NextOp) 309 { 310 /* Handle partial tree during single-step */ 311 312 return; 313 } 314 315 /* Mark the two nodes that contain the encoding for the match keywords */ 316 317 NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP; 318 319 NextOp = NextOp->Common.Next; 320 NextOp = NextOp->Common.Next; 321 NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP; 322} 323 324 325/******************************************************************************* 326 * 327 * FUNCTION: AcpiDmMatchKeyword 328 * 329 * PARAMETERS: Op - Match Object to be examined 330 * 331 * RETURN: None 332 * 333 * DESCRIPTION: Decode Match opcode operands 334 * 335 ******************************************************************************/ 336 337static void 338AcpiDmMatchKeyword ( 339 ACPI_PARSE_OBJECT *Op) 340{ 341 342 343 if (((UINT32) Op->Common.Value.Integer) > ACPI_MAX_MATCH_OPCODE) 344 { 345 AcpiOsPrintf ("/* Unknown Match Keyword encoding */"); 346 } 347 else 348 { 349 AcpiOsPrintf ("%s", ACPI_CAST_PTR (char, 350 AcpiGbl_MatchOps[(ACPI_SIZE) Op->Common.Value.Integer])); 351 } 352} 353 354 355/******************************************************************************* 356 * 357 * FUNCTION: AcpiDmDisassembleOneOp 358 * 359 * PARAMETERS: WalkState - Current walk info 360 * Info - Parse tree walk info 361 * Op - Op that is to be printed 362 * 363 * RETURN: None 364 * 365 * DESCRIPTION: Disassemble a single AML opcode 366 * 367 ******************************************************************************/ 368 369void 370AcpiDmDisassembleOneOp ( 371 ACPI_WALK_STATE *WalkState, 372 ACPI_OP_WALK_INFO *Info, 373 ACPI_PARSE_OBJECT *Op) 374{ 375 const ACPI_OPCODE_INFO *OpInfo = NULL; 376 UINT32 Offset; 377 UINT32 Length; 378 ACPI_PARSE_OBJECT *Child; 379 ACPI_STATUS Status; 380 381 382 if (!Op) 383 { 384 AcpiOsPrintf ("<NULL OP PTR>"); 385 return; 386 } 387 388 switch (Op->Common.DisasmOpcode) 389 { 390 case ACPI_DASM_MATCHOP: 391 392 AcpiDmMatchKeyword (Op); 393 return; 394 395 case ACPI_DASM_LNOT_SUFFIX: 396 switch (Op->Common.AmlOpcode) 397 { 398 case AML_LEQUAL_OP: 399 AcpiOsPrintf ("LNotEqual"); 400 break; 401 402 case AML_LGREATER_OP: 403 AcpiOsPrintf ("LLessEqual"); 404 break; 405 406 case AML_LLESS_OP: 407 AcpiOsPrintf ("LGreaterEqual"); 408 break; 409 } 410 Op->Common.DisasmOpcode = 0; 411 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 412 return; 413 414 default: 415 break; 416 } 417 418 419 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 420 421 /* The op and arguments */ 422 423 switch (Op->Common.AmlOpcode) 424 { 425 case AML_LNOT_OP: 426 427 Child = Op->Common.Value.Arg; 428 if ((Child->Common.AmlOpcode == AML_LEQUAL_OP) || 429 (Child->Common.AmlOpcode == AML_LGREATER_OP) || 430 (Child->Common.AmlOpcode == AML_LLESS_OP)) 431 { 432 Child->Common.DisasmOpcode = ACPI_DASM_LNOT_SUFFIX; 433 Op->Common.DisasmOpcode = ACPI_DASM_LNOT_PREFIX; 434 } 435 else 436 { 437 AcpiOsPrintf ("%s", OpInfo->Name); 438 } 439 break; 440 441 case AML_BYTE_OP: 442 443 AcpiOsPrintf ("0x%2.2X", (UINT32) Op->Common.Value.Integer); 444 break; 445 446 447 case AML_WORD_OP: 448 449 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 450 { 451 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 452 } 453 else 454 { 455 AcpiOsPrintf ("0x%4.4X", (UINT32) Op->Common.Value.Integer); 456 } 457 break; 458 459 460 case AML_DWORD_OP: 461 462 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 463 { 464 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 465 } 466 else 467 { 468 AcpiOsPrintf ("0x%8.8X", (UINT32) Op->Common.Value.Integer); 469 } 470 break; 471 472 473 case AML_QWORD_OP: 474 475 AcpiOsPrintf ("0x%8.8X%8.8X", Op->Common.Value.Integer64.Hi, 476 Op->Common.Value.Integer64.Lo); 477 break; 478 479 480 case AML_STRING_OP: 481 482 AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT8_MAX); 483 break; 484 485 486 case AML_BUFFER_OP: 487 488 /* 489 * Determine the type of buffer. We can have one of the following: 490 * 491 * 1) ResourceTemplate containing Resource Descriptors. 492 * 2) Unicode String buffer 493 * 3) ASCII String buffer 494 * 4) Raw data buffer (if none of the above) 495 * 496 * Since there are no special AML opcodes to differentiate these 497 * types of buffers, we have to closely look at the data in the 498 * buffer to determine the type. 499 */ 500 Status = AcpiDmIsResourceTemplate (Op); 501 if (ACPI_SUCCESS (Status)) 502 { 503 Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE; 504 AcpiOsPrintf ("ResourceTemplate"); 505 break; 506 } 507 else if (Status == AE_AML_NO_RESOURCE_END_TAG) 508 { 509 AcpiOsPrintf ("/**** Is ResourceTemplate, but EndTag not at buffer end ****/ "); 510 } 511 512 if (AcpiDmIsUnicodeBuffer (Op)) 513 { 514 Op->Common.DisasmOpcode = ACPI_DASM_UNICODE; 515 AcpiOsPrintf ("Unicode ("); 516 } 517 else if (AcpiDmIsStringBuffer (Op)) 518 { 519 Op->Common.DisasmOpcode = ACPI_DASM_STRING; 520 AcpiOsPrintf ("Buffer"); 521 } 522 else 523 { 524 Op->Common.DisasmOpcode = ACPI_DASM_BUFFER; 525 AcpiOsPrintf ("Buffer"); 526 } 527 break; 528 529 530 case AML_INT_STATICSTRING_OP: 531 532 if (Op->Common.Value.String) 533 { 534 AcpiOsPrintf ("%s", Op->Common.Value.String); 535 } 536 else 537 { 538 AcpiOsPrintf ("\"<NULL STATIC STRING PTR>\""); 539 } 540 break; 541 542 543 case AML_INT_NAMEPATH_OP: 544 545 AcpiDmNamestring (Op->Common.Value.Name); 546 break; 547 548 549 case AML_INT_NAMEDFIELD_OP: 550 551 Length = AcpiDmDumpName ((char *) &Op->Named.Name); 552 AcpiOsPrintf (",%*.s %d", (int) (5 - Length), " ", 553 (UINT32) Op->Common.Value.Integer); 554 AcpiDmCommaIfFieldMember (Op); 555 556 Info->BitOffset += (UINT32) Op->Common.Value.Integer; 557 break; 558 559 560 case AML_INT_RESERVEDFIELD_OP: 561 562 /* Offset() -- Must account for previous offsets */ 563 564 Offset = (UINT32) Op->Common.Value.Integer; 565 Info->BitOffset += Offset; 566 567 if (Info->BitOffset % 8 == 0) 568 { 569 AcpiOsPrintf (" Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset)); 570 } 571 else 572 { 573 AcpiOsPrintf (" , %d", Offset); 574 } 575 576 AcpiDmCommaIfFieldMember (Op); 577 break; 578 579 580 case AML_INT_ACCESSFIELD_OP: 581 582 AcpiOsPrintf (" AccessAs (%s, ", 583 AcpiGbl_AccessTypes [(UINT32) (Op->Common.Value.Integer >> 8) & 0x7]); 584 585 AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer); 586 AcpiOsPrintf (")"); 587 AcpiDmCommaIfFieldMember (Op); 588 break; 589 590 591 case AML_INT_BYTELIST_OP: 592 593 AcpiDmByteList (Info, Op); 594 break; 595 596 597 case AML_INT_METHODCALL_OP: 598 599 Op = AcpiPsGetDepthNext (NULL, Op); 600 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 601 602 AcpiDmNamestring (Op->Common.Value.Name); 603 break; 604 605 606 default: 607 608 /* Just get the opcode name and print it */ 609 610 AcpiOsPrintf ("%s", OpInfo->Name); 611 612 613#ifdef ACPI_DEBUGGER 614 615 if ((Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) && 616 (WalkState) && 617 (WalkState->Results) && 618 (WalkState->ResultCount)) 619 { 620 AcpiDmDecodeInternalObject ( 621 WalkState->Results->Results.ObjDesc [ 622 (WalkState->ResultCount - 1) % 623 ACPI_RESULTS_FRAME_OBJ_NUM]); 624 } 625#endif 626 627 break; 628 } 629} 630 631#endif /* ACPI_DISASSEMBLER */ 632