1 /******************************************************************************* 2 * 3 * Module Name: dmopcode - AML disassembler, specific AML opcodes 4 * $Revision: 1.106 $ 5 * 6 ******************************************************************************/ 7 8 /****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2008, 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 */ 128 129 static void 130 AcpiDmMatchKeyword ( 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 ******************************************************************************/ 145 146 void 147 AcpiDmMethodFlags ( 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 ******************************************************************************/ 197 198 void 199 AcpiDmFieldFlags ( 200 ACPI_PARSE_OBJECT *Op) 201 { 202 UINT32 Flags; 203 204 205 Op = Op->Common.Next; 206 Flags = (UINT8) Op->Common.Value.Integer; 207 208 /* Mark the Op as completed */ 209 210 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 211 212 AcpiOsPrintf ("%s, ", AcpiGbl_AccessTypes [Flags & 0x07]); 213 AcpiOsPrintf ("%s, ", AcpiGbl_LockRule [(Flags & 0x10) >> 4]); 214 AcpiOsPrintf ("%s)", AcpiGbl_UpdateRules [(Flags & 0x60) >> 5]); 215 } 216 217 218 /******************************************************************************* 219 * 220 * FUNCTION: AcpiDmAddressSpace 221 * 222 * PARAMETERS: SpaceId - ID to be translated 223 * 224 * RETURN: None 225 * 226 * DESCRIPTION: Decode a SpaceId to an AddressSpaceKeyword 227 * 228 ******************************************************************************/ 229 230 void 231 AcpiDmAddressSpace ( 232 UINT8 SpaceId) 233 { 234 235 if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS) 236 { 237 if (SpaceId == 0x7F) 238 { 239 AcpiOsPrintf ("FFixedHW, "); 240 } 241 else 242 { 243 AcpiOsPrintf ("0x%.2X, ", SpaceId); 244 } 245 } 246 else 247 { 248 AcpiOsPrintf ("%s, ", AcpiGbl_RegionTypes [SpaceId]); 249 } 250 } 251 252 253 /******************************************************************************* 254 * 255 * FUNCTION: AcpiDmRegionFlags 256 * 257 * PARAMETERS: Op - Object to be examined 258 * 259 * RETURN: None 260 * 261 * DESCRIPTION: Decode OperationRegion flags 262 * 263 ******************************************************************************/ 264 265 void 266 AcpiDmRegionFlags ( 267 ACPI_PARSE_OBJECT *Op) 268 { 269 270 271 /* The next Op contains the SpaceId */ 272 273 Op = AcpiPsGetDepthNext (NULL, Op); 274 275 /* Mark the Op as completed */ 276 277 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 278 279 AcpiOsPrintf (", "); 280 AcpiDmAddressSpace ((UINT8) Op->Common.Value.Integer); 281 } 282 283 284 /******************************************************************************* 285 * 286 * FUNCTION: AcpiDmMatchOp 287 * 288 * PARAMETERS: Op - Match Object to be examined 289 * 290 * RETURN: None 291 * 292 * DESCRIPTION: Decode Match opcode operands 293 * 294 ******************************************************************************/ 295 296 void 297 AcpiDmMatchOp ( 298 ACPI_PARSE_OBJECT *Op) 299 { 300 ACPI_PARSE_OBJECT *NextOp; 301 302 303 NextOp = AcpiPsGetDepthNext (NULL, Op); 304 NextOp = NextOp->Common.Next; 305 306 if (!NextOp) 307 { 308 /* Handle partial tree during single-step */ 309 310 return; 311 } 312 313 /* Mark the two nodes that contain the encoding for the match keywords */ 314 315 NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP; 316 317 NextOp = NextOp->Common.Next; 318 NextOp = NextOp->Common.Next; 319 NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP; 320 } 321 322 323 /******************************************************************************* 324 * 325 * FUNCTION: AcpiDmMatchKeyword 326 * 327 * PARAMETERS: Op - Match Object to be examined 328 * 329 * RETURN: None 330 * 331 * DESCRIPTION: Decode Match opcode operands 332 * 333 ******************************************************************************/ 334 335 static void 336 AcpiDmMatchKeyword ( 337 ACPI_PARSE_OBJECT *Op) 338 { 339 340 341 if (((UINT32) Op->Common.Value.Integer) > ACPI_MAX_MATCH_OPCODE) 342 { 343 AcpiOsPrintf ("/* Unknown Match Keyword encoding */"); 344 } 345 else 346 { 347 AcpiOsPrintf ("%s", ACPI_CAST_PTR (char, 348 AcpiGbl_MatchOps[(ACPI_SIZE) Op->Common.Value.Integer])); 349 } 350 } 351 352 353 /******************************************************************************* 354 * 355 * FUNCTION: AcpiDmDisassembleOneOp 356 * 357 * PARAMETERS: WalkState - Current walk info 358 * Info - Parse tree walk info 359 * Op - Op that is to be printed 360 * 361 * RETURN: None 362 * 363 * DESCRIPTION: Disassemble a single AML opcode 364 * 365 ******************************************************************************/ 366 367 void 368 AcpiDmDisassembleOneOp ( 369 ACPI_WALK_STATE *WalkState, 370 ACPI_OP_WALK_INFO *Info, 371 ACPI_PARSE_OBJECT *Op) 372 { 373 const ACPI_OPCODE_INFO *OpInfo = NULL; 374 UINT32 Offset; 375 UINT32 Length; 376 ACPI_PARSE_OBJECT *Child; 377 ACPI_STATUS Status; 378 379 380 if (!Op) 381 { 382 AcpiOsPrintf ("<NULL OP PTR>"); 383 return; 384 } 385 386 switch (Op->Common.DisasmOpcode) 387 { 388 case ACPI_DASM_MATCHOP: 389 390 AcpiDmMatchKeyword (Op); 391 return; 392 393 case ACPI_DASM_LNOT_SUFFIX: 394 switch (Op->Common.AmlOpcode) 395 { 396 case AML_LEQUAL_OP: 397 AcpiOsPrintf ("LNotEqual"); 398 break; 399 400 case AML_LGREATER_OP: 401 AcpiOsPrintf ("LLessEqual"); 402 break; 403 404 case AML_LLESS_OP: 405 AcpiOsPrintf ("LGreaterEqual"); 406 break; 407 408 default: 409 break; 410 } 411 Op->Common.DisasmOpcode = 0; 412 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 413 return; 414 415 default: 416 break; 417 } 418 419 420 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 421 422 /* The op and arguments */ 423 424 switch (Op->Common.AmlOpcode) 425 { 426 case AML_LNOT_OP: 427 428 Child = Op->Common.Value.Arg; 429 if ((Child->Common.AmlOpcode == AML_LEQUAL_OP) || 430 (Child->Common.AmlOpcode == AML_LGREATER_OP) || 431 (Child->Common.AmlOpcode == AML_LLESS_OP)) 432 { 433 Child->Common.DisasmOpcode = ACPI_DASM_LNOT_SUFFIX; 434 Op->Common.DisasmOpcode = ACPI_DASM_LNOT_PREFIX; 435 } 436 else 437 { 438 AcpiOsPrintf ("%s", OpInfo->Name); 439 } 440 break; 441 442 case AML_BYTE_OP: 443 444 AcpiOsPrintf ("0x%2.2X", (UINT32) Op->Common.Value.Integer); 445 break; 446 447 448 case AML_WORD_OP: 449 450 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 451 { 452 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 453 } 454 else 455 { 456 AcpiOsPrintf ("0x%4.4X", (UINT32) Op->Common.Value.Integer); 457 } 458 break; 459 460 461 case AML_DWORD_OP: 462 463 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 464 { 465 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 466 } 467 else 468 { 469 AcpiOsPrintf ("0x%8.8X", (UINT32) Op->Common.Value.Integer); 470 } 471 break; 472 473 474 case AML_QWORD_OP: 475 476 AcpiOsPrintf ("0x%8.8X%8.8X", Op->Common.Value.Integer64.Hi, 477 Op->Common.Value.Integer64.Lo); 478 break; 479 480 481 case AML_STRING_OP: 482 483 AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT8_MAX); 484 break; 485 486 487 case AML_BUFFER_OP: 488 489 /* 490 * Determine the type of buffer. We can have one of the following: 491 * 492 * 1) ResourceTemplate containing Resource Descriptors. 493 * 2) Unicode String buffer 494 * 3) ASCII String buffer 495 * 4) Raw data buffer (if none of the above) 496 * 497 * Since there are no special AML opcodes to differentiate these 498 * types of buffers, we have to closely look at the data in the 499 * buffer to determine the type. 500 */ 501 Status = AcpiDmIsResourceTemplate (Op); 502 if (ACPI_SUCCESS (Status)) 503 { 504 Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE; 505 AcpiOsPrintf ("ResourceTemplate"); 506 break; 507 } 508 else if (Status == AE_AML_NO_RESOURCE_END_TAG) 509 { 510 AcpiOsPrintf ("/**** Is ResourceTemplate, but EndTag not at buffer end ****/ "); 511 } 512 513 if (AcpiDmIsUnicodeBuffer (Op)) 514 { 515 Op->Common.DisasmOpcode = ACPI_DASM_UNICODE; 516 AcpiOsPrintf ("Unicode ("); 517 } 518 else if (AcpiDmIsStringBuffer (Op)) 519 { 520 Op->Common.DisasmOpcode = ACPI_DASM_STRING; 521 AcpiOsPrintf ("Buffer"); 522 } 523 else 524 { 525 Op->Common.DisasmOpcode = ACPI_DASM_BUFFER; 526 AcpiOsPrintf ("Buffer"); 527 } 528 break; 529 530 531 case AML_INT_STATICSTRING_OP: 532 533 if (Op->Common.Value.String) 534 { 535 AcpiOsPrintf ("%s", Op->Common.Value.String); 536 } 537 else 538 { 539 AcpiOsPrintf ("\"<NULL STATIC STRING PTR>\""); 540 } 541 break; 542 543 544 case AML_INT_NAMEPATH_OP: 545 546 AcpiDmNamestring (Op->Common.Value.Name); 547 break; 548 549 550 case AML_INT_NAMEDFIELD_OP: 551 552 Length = AcpiDmDumpName (Op->Named.Name); 553 AcpiOsPrintf (",%*.s %d", (int) (5 - Length), " ", 554 (UINT32) Op->Common.Value.Integer); 555 AcpiDmCommaIfFieldMember (Op); 556 557 Info->BitOffset += (UINT32) Op->Common.Value.Integer; 558 break; 559 560 561 case AML_INT_RESERVEDFIELD_OP: 562 563 /* Offset() -- Must account for previous offsets */ 564 565 Offset = (UINT32) Op->Common.Value.Integer; 566 Info->BitOffset += Offset; 567 568 if (Info->BitOffset % 8 == 0) 569 { 570 AcpiOsPrintf (" Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset)); 571 } 572 else 573 { 574 AcpiOsPrintf (" , %d", Offset); 575 } 576 577 AcpiDmCommaIfFieldMember (Op); 578 break; 579 580 581 case AML_INT_ACCESSFIELD_OP: 582 583 AcpiOsPrintf (" AccessAs (%s, ", 584 AcpiGbl_AccessTypes [(UINT32) (Op->Common.Value.Integer >> 8) & 0x7]); 585 586 AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer); 587 AcpiOsPrintf (")"); 588 AcpiDmCommaIfFieldMember (Op); 589 break; 590 591 592 case AML_INT_BYTELIST_OP: 593 594 AcpiDmByteList (Info, Op); 595 break; 596 597 598 case AML_INT_METHODCALL_OP: 599 600 Op = AcpiPsGetDepthNext (NULL, Op); 601 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 602 603 AcpiDmNamestring (Op->Common.Value.Name); 604 break; 605 606 607 default: 608 609 /* Just get the opcode name and print it */ 610 611 AcpiOsPrintf ("%s", OpInfo->Name); 612 613 614 #ifdef ACPI_DEBUGGER 615 616 if ((Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) && 617 (WalkState) && 618 (WalkState->Results) && 619 (WalkState->ResultCount)) 620 { 621 AcpiDmDecodeInternalObject ( 622 WalkState->Results->Results.ObjDesc [ 623 (WalkState->ResultCount - 1) % 624 ACPI_RESULTS_FRAME_OBJ_NUM]); 625 } 626 #endif 627 628 break; 629 } 630 } 631 632 #endif /* ACPI_DISASSEMBLER */ 633