dmopcode.c revision 151937
1234949Sbapt/******************************************************************************* 2234949Sbapt * 3234949Sbapt * Module Name: dmopcode - AML disassembler, specific AML opcodes 4234949Sbapt * $Revision: 1.90 $ 5234949Sbapt * 6234949Sbapt ******************************************************************************/ 7234949Sbapt 8234949Sbapt/****************************************************************************** 9234949Sbapt * 10234949Sbapt * 1. Copyright Notice 11234949Sbapt * 12234949Sbapt * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp. 13234949Sbapt * All rights reserved. 14234949Sbapt * 15234949Sbapt * 2. License 16234949Sbapt * 17234949Sbapt * 2.1. This is your license from Intel Corp. under its intellectual property 18234949Sbapt * rights. You may have additional license terms from the party that provided 19234949Sbapt * you this software, covering your right to use that party's intellectual 20234949Sbapt * property rights. 21234949Sbapt * 22234949Sbapt * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23234949Sbapt * copy of the source code appearing in this file ("Covered Code") an 24234949Sbapt * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25234949Sbapt * base code distributed originally by Intel ("Original Intel Code") to copy, 26234949Sbapt * make derivatives, distribute, use and display any portion of the Covered 27234949Sbapt * Code in any form, with the right to sublicense such rights; and 28234949Sbapt * 29234949Sbapt * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30234949Sbapt * license (with the right to sublicense), under only those claims of Intel 31234949Sbapt * patents that are infringed by the Original Intel Code, to make, use, sell, 32234949Sbapt * offer to sell, and import the Covered Code and derivative works thereof 33234949Sbapt * solely to the minimum extent necessary to exercise the above copyright 34234949Sbapt * license, and in no event shall the patent license extend to any additions 35234949Sbapt * to or modifications of the Original Intel Code. No other license or right 36234949Sbapt * is granted directly or by implication, estoppel or otherwise; 37234949Sbapt * 38234949Sbapt * The above copyright and patent license is granted only if the following 39234949Sbapt * conditions are met: 40234949Sbapt * 41234949Sbapt * 3. Conditions 42234949Sbapt * 43234949Sbapt * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44234949Sbapt * Redistribution of source code of any substantial portion of the Covered 45234949Sbapt * Code or modification with rights to further distribute source must include 46234949Sbapt * the above Copyright Notice, the above License, this list of Conditions, 47234949Sbapt * and the following Disclaimer and Export Compliance provision. In addition, 48234949Sbapt * Licensee must cause all Covered Code to which Licensee contributes to 49234949Sbapt * contain a file documenting the changes Licensee made to create that Covered 50234949Sbapt * Code and the date of any change. Licensee must include in that file the 51234949Sbapt * documentation of any changes made by any predecessor Licensee. Licensee 52234949Sbapt * must include a prominent statement that the modification is derived, 53234949Sbapt * directly or indirectly, from Original Intel Code. 54234949Sbapt * 55234949Sbapt * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56234949Sbapt * Redistribution of source code of any substantial portion of the Covered 57234949Sbapt * Code or modification without rights to further distribute source must 58234949Sbapt * include the following Disclaimer and Export Compliance provision in the 59234949Sbapt * documentation and/or other materials provided with distribution. In 60234949Sbapt * addition, Licensee may not authorize further sublicense of source of any 61234949Sbapt * portion of the Covered Code, and must include terms to the effect that the 62234949Sbapt * license from Licensee to its licensee is limited to the intellectual 63234949Sbapt * property embodied in the software Licensee provides to its licensee, and 64234949Sbapt * not to intellectual property embodied in modifications its licensee may 65234949Sbapt * make. 66234949Sbapt * 67234949Sbapt * 3.3. Redistribution of Executable. Redistribution in executable form of any 68234949Sbapt * substantial portion of the Covered Code or modification must reproduce the 69234949Sbapt * above Copyright Notice, and the following Disclaimer and Export Compliance 70234949Sbapt * provision in the documentation and/or other materials provided with the 71234949Sbapt * distribution. 72234949Sbapt * 73234949Sbapt * 3.4. Intel retains all right, title, and interest in and to the Original 74234949Sbapt * Intel Code. 75234949Sbapt * 76234949Sbapt * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77234949Sbapt * Intel shall be used in advertising or otherwise to promote the sale, use or 78234949Sbapt * other dealings in products derived from or relating to the Covered Code 79234949Sbapt * without prior written authorization from Intel. 80234949Sbapt * 81234949Sbapt * 4. Disclaimer and Export Compliance 82234949Sbapt * 83234949Sbapt * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84234949Sbapt * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85234949Sbapt * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86234949Sbapt * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87234949Sbapt * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88234949Sbapt * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89234949Sbapt * PARTICULAR PURPOSE. 90234949Sbapt * 91234949Sbapt * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92234949Sbapt * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93234949Sbapt * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94234949Sbapt * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95234949Sbapt * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96234949Sbapt * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97234949Sbapt * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98234949Sbapt * LIMITED REMEDY. 99234949Sbapt * 100234949Sbapt * 4.3. Licensee shall not export, either directly or indirectly, any of this 101234949Sbapt * software or system incorporating such software without first obtaining any 102234949Sbapt * required license or other approval from the U. S. Department of Commerce or 103234949Sbapt * any other agency or department of the United States Government. In the 104234949Sbapt * event Licensee exports any such software from the United States or 105234949Sbapt * re-exports any such software from a foreign destination, Licensee shall 106234949Sbapt * ensure that the distribution and export/re-export of the software is in 107234949Sbapt * compliance with all laws, regulations, orders, or other restrictions of the 108234949Sbapt * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109234949Sbapt * any of its subsidiaries will export/re-export any technical data, process, 110234949Sbapt * software, or service, directly or indirectly, to any country for which the 111234949Sbapt * United States government or any agency thereof requires an export license, 112234949Sbapt * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117#include <contrib/dev/acpica/acpi.h> 118#include <contrib/dev/acpica/acparser.h> 119#include <contrib/dev/acpica/amlcode.h> 120#include <contrib/dev/acpica/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 Op contains the flags */ 206 207 Op = AcpiPsGetDepthNext (NULL, Op); 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 & 0x0F]); 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_NUM_MATCH_OPS) 344 { 345 AcpiOsPrintf ("/* Unknown Match Keyword encoding */"); 346 } 347 else 348 { 349 AcpiOsPrintf ("%s", (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; 378 379 380 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 default: 394 break; 395 } 396 397 /* The op and arguments */ 398 399 switch (Op->Common.AmlOpcode) 400 { 401 case AML_ZERO_OP: 402 403 AcpiOsPrintf ("Zero"); 404 break; 405 406 407 case AML_ONE_OP: 408 409 AcpiOsPrintf ("One"); 410 break; 411 412 413 case AML_ONES_OP: 414 415 AcpiOsPrintf ("Ones"); 416 break; 417 418 419 case AML_REVISION_OP: 420 421 AcpiOsPrintf ("Revision"); 422 break; 423 424 425 case AML_BYTE_OP: 426 427 AcpiOsPrintf ("0x%2.2X", (UINT32) Op->Common.Value.Integer); 428 break; 429 430 431 case AML_WORD_OP: 432 433 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 434 { 435 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 436 } 437 else 438 { 439 AcpiOsPrintf ("0x%4.4X", (UINT32) Op->Common.Value.Integer); 440 } 441 break; 442 443 444 case AML_DWORD_OP: 445 446 if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID) 447 { 448 AcpiDmEisaId ((UINT32) Op->Common.Value.Integer); 449 } 450 else 451 { 452 AcpiOsPrintf ("0x%8.8X", (UINT32) Op->Common.Value.Integer); 453 } 454 break; 455 456 457 case AML_QWORD_OP: 458 459 AcpiOsPrintf ("0x%8.8X%8.8X", Op->Common.Value.Integer64.Hi, 460 Op->Common.Value.Integer64.Lo); 461 break; 462 463 464 case AML_STRING_OP: 465 466 AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT8_MAX); 467 break; 468 469 470 case AML_BUFFER_OP: 471 472 /* 473 * Determine the type of buffer. We can have one of the following: 474 * 475 * 1) ResourceTemplate containing Resource Descriptors. 476 * 2) Unicode String buffer 477 * 3) ASCII String buffer 478 * 4) Raw data buffer (if none of the above) 479 * 480 * Since there are no special AML opcodes to differentiate these 481 * types of buffers, we have to closely look at the data in the 482 * buffer to determine the type. 483 */ 484 if (AcpiDmIsResourceTemplate (Op)) 485 { 486 Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE; 487 AcpiOsPrintf ("ResourceTemplate"); 488 } 489 else if (AcpiDmIsUnicodeBuffer (Op)) 490 { 491 Op->Common.DisasmOpcode = ACPI_DASM_UNICODE; 492 AcpiOsPrintf ("Unicode ("); 493 } 494 else if (AcpiDmIsStringBuffer (Op)) 495 { 496 Op->Common.DisasmOpcode = ACPI_DASM_STRING; 497 AcpiOsPrintf ("Buffer"); 498 } 499 else 500 { 501 Op->Common.DisasmOpcode = ACPI_DASM_BUFFER; 502 AcpiOsPrintf ("Buffer"); 503 } 504 break; 505 506 507 case AML_INT_STATICSTRING_OP: 508 509 if (Op->Common.Value.String) 510 { 511 AcpiOsPrintf ("%s", Op->Common.Value.String); 512 } 513 else 514 { 515 AcpiOsPrintf ("\"<NULL STATIC STRING PTR>\""); 516 } 517 break; 518 519 520 case AML_INT_NAMEPATH_OP: 521 522 AcpiDmNamestring (Op->Common.Value.Name); 523 break; 524 525 526 case AML_INT_NAMEDFIELD_OP: 527 528 Length = AcpiDmDumpName ((char *) &Op->Named.Name); 529 AcpiOsPrintf (",%*.s %d", (int) (5 - Length), " ", 530 (UINT32) Op->Common.Value.Integer); 531 AcpiDmCommaIfFieldMember (Op); 532 533 Info->BitOffset += (UINT32) Op->Common.Value.Integer; 534 break; 535 536 537 case AML_INT_RESERVEDFIELD_OP: 538 539 /* Offset() -- Must account for previous offsets */ 540 541 Offset = (UINT32) Op->Common.Value.Integer; 542 Info->BitOffset += Offset; 543 544 if (Info->BitOffset % 8 == 0) 545 { 546 AcpiOsPrintf ("Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset)); 547 } 548 else 549 { 550 AcpiOsPrintf (" , %d", Offset); 551 } 552 553 AcpiDmCommaIfFieldMember (Op); 554 break; 555 556 557 case AML_INT_ACCESSFIELD_OP: 558 559 AcpiOsPrintf ("AccessAs (%s, ", 560 AcpiGbl_AccessTypes [(UINT32) Op->Common.Value.Integer >> 8]); 561 562 AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer); 563 AcpiOsPrintf (")"); 564 AcpiDmCommaIfFieldMember (Op); 565 break; 566 567 568 case AML_INT_BYTELIST_OP: 569 570 AcpiDmByteList (Info, Op); 571 break; 572 573 574 case AML_INT_METHODCALL_OP: 575 576 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 577 Op = AcpiPsGetDepthNext (NULL, Op); 578 Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 579 580 AcpiDmNamestring (Op->Common.Value.Name); 581 break; 582 583 584 default: 585 586 /* Just get the opcode name and print it */ 587 588 OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); 589 AcpiOsPrintf ("%s", OpInfo->Name); 590 591 592#ifdef ACPI_DEBUGGER 593 594 if ((Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) && 595 (WalkState) && 596 (WalkState->Results) && 597 (WalkState->Results->Results.NumResults)) 598 { 599 AcpiDmDecodeInternalObject ( 600 WalkState->Results->Results.ObjDesc [ 601 WalkState->Results->Results.NumResults-1]); 602 } 603#endif 604 break; 605 } 606} 607 608#endif /* ACPI_DISASSEMBLER */ 609