1 /******************************************************************************* 2 * 3 * Module Name: dmbuffer - AML disassembler, buffer and string support 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #include <contrib/dev/acpica/include/acpi.h> 45 #include <contrib/dev/acpica/include/accommon.h> 46 #include <contrib/dev/acpica/include/acutils.h> 47 #include <contrib/dev/acpica/include/acdisasm.h> 48 #include <contrib/dev/acpica/include/acparser.h> 49 #include <contrib/dev/acpica/include/amlcode.h> 50 #include <contrib/dev/acpica/include/acinterp.h> 51 52 53 #define _COMPONENT ACPI_CA_DEBUGGER 54 ACPI_MODULE_NAME ("dmbuffer") 55 56 /* Local prototypes */ 57 58 static void 59 AcpiDmUuid ( 60 ACPI_PARSE_OBJECT *Op); 61 62 static void 63 AcpiDmUnicode ( 64 ACPI_PARSE_OBJECT *Op); 65 66 static void 67 AcpiDmGetHardwareIdType ( 68 ACPI_PARSE_OBJECT *Op); 69 70 static void 71 AcpiDmPldBuffer ( 72 UINT32 Level, 73 UINT8 *ByteData, 74 UINT32 ByteCount); 75 76 static const char * 77 AcpiDmFindNameByIndex ( 78 UINT64 Index, 79 const char **List); 80 81 82 #define ACPI_BUFFER_BYTES_PER_LINE 8 83 84 85 /******************************************************************************* 86 * 87 * FUNCTION: AcpiDmDisasmByteList 88 * 89 * PARAMETERS: Level - Current source code indentation level 90 * ByteData - Pointer to the byte list 91 * ByteCount - Length of the byte list 92 * 93 * RETURN: None 94 * 95 * DESCRIPTION: Dump an AML "ByteList" in Hex format. 8 bytes per line, prefixed 96 * with the hex buffer offset. 97 * 98 ******************************************************************************/ 99 100 void 101 AcpiDmDisasmByteList ( 102 UINT32 Level, 103 UINT8 *ByteData, 104 UINT32 ByteCount) 105 { 106 UINT32 i; 107 UINT32 j; 108 UINT32 CurrentIndex; 109 UINT8 BufChar; 110 111 112 if (!ByteCount) 113 { 114 return; 115 } 116 117 for (i = 0; i < ByteCount; i += ACPI_BUFFER_BYTES_PER_LINE) 118 { 119 /* Line indent and offset prefix for each new line */ 120 121 AcpiDmIndent (Level); 122 if (ByteCount > ACPI_BUFFER_BYTES_PER_LINE) 123 { 124 AcpiOsPrintf ("/* %04X */ ", i); 125 } 126 127 /* Dump the actual hex values */ 128 129 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++) 130 { 131 CurrentIndex = i + j; 132 if (CurrentIndex >= ByteCount) 133 { 134 /* Dump fill spaces */ 135 136 AcpiOsPrintf (" "); 137 continue; 138 } 139 140 AcpiOsPrintf (" 0x%2.2X", ByteData[CurrentIndex]); 141 142 /* Add comma if there are more bytes to display */ 143 144 if (CurrentIndex < (ByteCount - 1)) 145 { 146 AcpiOsPrintf (","); 147 } 148 else 149 { 150 AcpiOsPrintf (" "); 151 } 152 } 153 154 /* Dump the ASCII equivalents within a comment */ 155 156 AcpiOsPrintf (" /* "); 157 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++) 158 { 159 CurrentIndex = i + j; 160 if (CurrentIndex >= ByteCount) 161 { 162 break; 163 } 164 165 BufChar = ByteData[CurrentIndex]; 166 if (isprint (BufChar)) 167 { 168 AcpiOsPrintf ("%c", BufChar); 169 } 170 else 171 { 172 AcpiOsPrintf ("."); 173 } 174 } 175 176 /* Finished with this line */ 177 178 AcpiOsPrintf (" */\n"); 179 } 180 } 181 182 183 /******************************************************************************* 184 * 185 * FUNCTION: AcpiDmByteList 186 * 187 * PARAMETERS: Info - Parse tree walk info 188 * Op - Byte list op 189 * 190 * RETURN: None 191 * 192 * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers. 193 * Buffer type must be already set in the Op DisasmOpcode. 194 * 195 ******************************************************************************/ 196 197 void 198 AcpiDmByteList ( 199 ACPI_OP_WALK_INFO *Info, 200 ACPI_PARSE_OBJECT *Op) 201 { 202 UINT8 *ByteData; 203 UINT32 ByteCount; 204 205 206 ByteData = Op->Named.Data; 207 ByteCount = (UINT32) Op->Common.Value.Integer; 208 209 /* 210 * The byte list belongs to a buffer, and can be produced by either 211 * a ResourceTemplate, Unicode, quoted string, or a plain byte list. 212 */ 213 switch (Op->Common.Parent->Common.DisasmOpcode) 214 { 215 case ACPI_DASM_RESOURCE: 216 217 AcpiDmResourceTemplate ( 218 Info, Op->Common.Parent, ByteData, ByteCount); 219 break; 220 221 case ACPI_DASM_STRING: 222 223 AcpiDmIndent (Info->Level); 224 AcpiUtPrintString ((char *) ByteData, ACPI_UINT16_MAX); 225 AcpiOsPrintf ("\n"); 226 break; 227 228 case ACPI_DASM_UUID: 229 230 AcpiDmUuid (Op); 231 break; 232 233 case ACPI_DASM_UNICODE: 234 235 AcpiDmUnicode (Op); 236 break; 237 238 case ACPI_DASM_PLD_METHOD: 239 #if 0 240 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount); 241 #endif 242 AcpiDmPldBuffer (Info->Level, ByteData, ByteCount); 243 break; 244 245 case ACPI_DASM_BUFFER: 246 default: 247 /* 248 * Not a resource, string, or unicode string. 249 * Just dump the buffer 250 */ 251 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount); 252 break; 253 } 254 } 255 256 257 /******************************************************************************* 258 * 259 * FUNCTION: AcpiDmIsUuidBuffer 260 * 261 * PARAMETERS: Op - Buffer Object to be examined 262 * 263 * RETURN: TRUE if buffer contains a UUID 264 * 265 * DESCRIPTION: Determine if a buffer Op contains a UUID 266 * 267 * To help determine whether the buffer is a UUID versus a raw data buffer, 268 * there a are a couple bytes we can look at: 269 * 270 * xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx 271 * 272 * The variant covered by the UUID specification is indicated by the two most 273 * significant bits of N being 1 0 (i.e., the hexadecimal N will always be 274 * 8, 9, A, or B). 275 * 276 * The variant covered by the UUID specification has five versions. For this 277 * variant, the four bits of M indicates the UUID version (i.e., the 278 * hexadecimal M will be either 1, 2, 3, 4, or 5). 279 * 280 ******************************************************************************/ 281 282 BOOLEAN 283 AcpiDmIsUuidBuffer ( 284 ACPI_PARSE_OBJECT *Op) 285 { 286 UINT8 *ByteData; 287 UINT32 ByteCount; 288 ACPI_PARSE_OBJECT *SizeOp; 289 ACPI_PARSE_OBJECT *NextOp; 290 291 292 /* Buffer size is the buffer argument */ 293 294 SizeOp = Op->Common.Value.Arg; 295 296 /* Next, the initializer byte list to examine */ 297 298 NextOp = SizeOp->Common.Next; 299 if (!NextOp) 300 { 301 return (FALSE); 302 } 303 304 /* Extract the byte list info */ 305 306 ByteData = NextOp->Named.Data; 307 ByteCount = (UINT32) NextOp->Common.Value.Integer; 308 309 /* Byte count must be exactly 16 */ 310 311 if (ByteCount != UUID_BUFFER_LENGTH) 312 { 313 return (FALSE); 314 } 315 316 /* Check for valid "M" and "N" values (see function header above) */ 317 318 if (((ByteData[7] & 0xF0) == 0x00) || /* M={1,2,3,4,5} */ 319 ((ByteData[7] & 0xF0) > 0x50) || 320 ((ByteData[8] & 0xF0) < 0x80) || /* N={8,9,A,B} */ 321 ((ByteData[8] & 0xF0) > 0xB0)) 322 { 323 return (FALSE); 324 } 325 326 /* Ignore the Size argument in the disassembly of this buffer op */ 327 328 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 329 return (TRUE); 330 } 331 332 333 /******************************************************************************* 334 * 335 * FUNCTION: AcpiDmUuid 336 * 337 * PARAMETERS: Op - Byte List op containing a UUID 338 * 339 * RETURN: None 340 * 341 * DESCRIPTION: Dump a buffer containing a UUID as a standard ASCII string. 342 * 343 * Output Format: 344 * In its canonical form, the UUID is represented by a string containing 32 345 * lowercase hexadecimal digits, displayed in 5 groups separated by hyphens. 346 * The complete form is 8-4-4-4-12 for a total of 36 characters (32 347 * alphanumeric characters representing hex digits and 4 hyphens). In bytes, 348 * 4-2-2-2-6. Example: 349 * 350 * ToUUID ("107ededd-d381-4fd7-8da9-08e9a6c79644") 351 * 352 ******************************************************************************/ 353 354 static void 355 AcpiDmUuid ( 356 ACPI_PARSE_OBJECT *Op) 357 { 358 UINT8 *Data; 359 const char *Description; 360 361 362 Data = ACPI_CAST_PTR (UINT8, Op->Named.Data); 363 364 /* Emit the 36-byte UUID string in the proper format/order */ 365 366 AcpiOsPrintf ( 367 "\"%2.2x%2.2x%2.2x%2.2x-" 368 "%2.2x%2.2x-" 369 "%2.2x%2.2x-" 370 "%2.2x%2.2x-" 371 "%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\")", 372 Data[3], Data[2], Data[1], Data[0], 373 Data[5], Data[4], 374 Data[7], Data[6], 375 Data[8], Data[9], 376 Data[10], Data[11], Data[12], Data[13], Data[14], Data[15]); 377 378 /* Dump the UUID description string if available */ 379 380 Description = AcpiAhMatchUuid (Data); 381 if (Description) 382 { 383 AcpiOsPrintf (" /* %s */", Description); 384 } 385 } 386 387 388 /******************************************************************************* 389 * 390 * FUNCTION: AcpiDmIsUnicodeBuffer 391 * 392 * PARAMETERS: Op - Buffer Object to be examined 393 * 394 * RETURN: TRUE if buffer contains a UNICODE string 395 * 396 * DESCRIPTION: Determine if a buffer Op contains a Unicode string 397 * 398 ******************************************************************************/ 399 400 BOOLEAN 401 AcpiDmIsUnicodeBuffer ( 402 ACPI_PARSE_OBJECT *Op) 403 { 404 UINT8 *ByteData; 405 UINT32 ByteCount; 406 UINT32 WordCount; 407 ACPI_PARSE_OBJECT *SizeOp; 408 ACPI_PARSE_OBJECT *NextOp; 409 UINT32 i; 410 411 412 /* Buffer size is the buffer argument */ 413 414 SizeOp = Op->Common.Value.Arg; 415 416 /* Next, the initializer byte list to examine */ 417 418 NextOp = SizeOp->Common.Next; 419 if (!NextOp) 420 { 421 return (FALSE); 422 } 423 424 /* Extract the byte list info */ 425 426 ByteData = NextOp->Named.Data; 427 ByteCount = (UINT32) NextOp->Common.Value.Integer; 428 WordCount = ACPI_DIV_2 (ByteCount); 429 430 /* 431 * Unicode string must have an even number of bytes and last 432 * word must be zero 433 */ 434 if ((!ByteCount) || 435 (ByteCount < 4) || 436 (ByteCount & 1) || 437 ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0) 438 { 439 return (FALSE); 440 } 441 442 /* For each word, 1st byte must be ascii (1-0x7F), 2nd byte must be zero */ 443 444 for (i = 0; i < (ByteCount - 2); i += 2) 445 { 446 if ((ByteData[i] == 0) || 447 (ByteData[i] > 0x7F) || 448 (ByteData[(ACPI_SIZE) i + 1] != 0)) 449 { 450 return (FALSE); 451 } 452 } 453 454 /* Ignore the Size argument in the disassembly of this buffer op */ 455 456 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 457 return (TRUE); 458 } 459 460 461 /******************************************************************************* 462 * 463 * FUNCTION: AcpiDmIsStringBuffer 464 * 465 * PARAMETERS: Op - Buffer Object to be examined 466 * 467 * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise 468 * 469 * DESCRIPTION: Determine if a buffer Op contains a ASCII string 470 * 471 ******************************************************************************/ 472 473 BOOLEAN 474 AcpiDmIsStringBuffer ( 475 ACPI_PARSE_OBJECT *Op) 476 { 477 UINT8 *ByteData; 478 UINT32 ByteCount; 479 ACPI_PARSE_OBJECT *SizeOp; 480 ACPI_PARSE_OBJECT *NextOp; 481 UINT32 i; 482 483 484 /* Buffer size is the buffer argument */ 485 486 SizeOp = Op->Common.Value.Arg; 487 488 /* Next, the initializer byte list to examine */ 489 490 NextOp = SizeOp->Common.Next; 491 if (!NextOp) 492 { 493 return (FALSE); 494 } 495 496 /* Extract the byte list info */ 497 498 ByteData = NextOp->Named.Data; 499 ByteCount = (UINT32) NextOp->Common.Value.Integer; 500 501 /* Last byte must be the null terminator */ 502 503 if ((!ByteCount) || 504 (ByteCount < 2) || 505 (ByteData[ByteCount-1] != 0)) 506 { 507 return (FALSE); 508 } 509 510 for (i = 0; i < (ByteCount - 1); i++) 511 { 512 /* TBD: allow some escapes (non-ascii chars). 513 * they will be handled in the string output routine 514 */ 515 516 if (!isprint (ByteData[i])) 517 { 518 return (FALSE); 519 } 520 } 521 522 return (TRUE); 523 } 524 525 526 /******************************************************************************* 527 * 528 * FUNCTION: AcpiDmIsPldBuffer 529 * 530 * PARAMETERS: Op - Buffer Object to be examined 531 * 532 * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise 533 * 534 * DESCRIPTION: Determine if a buffer Op contains a _PLD structure 535 * 536 ******************************************************************************/ 537 538 BOOLEAN 539 AcpiDmIsPldBuffer ( 540 ACPI_PARSE_OBJECT *Op) 541 { 542 ACPI_NAMESPACE_NODE *Node; 543 ACPI_PARSE_OBJECT *SizeOp; 544 ACPI_PARSE_OBJECT *ParentOp; 545 546 547 /* Buffer size is the buffer argument */ 548 549 SizeOp = Op->Common.Value.Arg; 550 551 ParentOp = Op->Common.Parent; 552 if (!ParentOp) 553 { 554 return (FALSE); 555 } 556 557 /* Check for form: Name(_PLD, Buffer() {}). Not legal, however */ 558 559 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 560 { 561 Node = ParentOp->Common.Node; 562 563 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 564 { 565 /* Ignore the Size argument in the disassembly of this buffer op */ 566 567 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 568 return (TRUE); 569 } 570 571 return (FALSE); 572 } 573 574 /* Check for proper form: Name(_PLD, Package() {Buffer() {}}) */ 575 576 if (ParentOp->Common.AmlOpcode == AML_PACKAGE_OP) 577 { 578 ParentOp = ParentOp->Common.Parent; 579 if (!ParentOp) 580 { 581 return (FALSE); 582 } 583 584 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 585 { 586 Node = ParentOp->Common.Node; 587 588 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 589 { 590 /* Ignore the Size argument in the disassembly of this buffer op */ 591 592 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 593 return (TRUE); 594 } 595 } 596 } 597 598 return (FALSE); 599 } 600 601 602 /******************************************************************************* 603 * 604 * FUNCTION: AcpiDmFindNameByIndex 605 * 606 * PARAMETERS: Index - Index of array to check 607 * List - Array to reference 608 * 609 * RETURN: String from List or empty string 610 * 611 * DESCRIPTION: Finds and returns the char string located at the given index 612 * position in List. 613 * 614 ******************************************************************************/ 615 616 static const char * 617 AcpiDmFindNameByIndex ( 618 UINT64 Index, 619 const char **List) 620 { 621 const char *NameString; 622 UINT32 i; 623 624 625 /* Bounds check */ 626 627 NameString = List[0]; 628 i = 0; 629 630 while (NameString) 631 { 632 i++; 633 NameString = List[i]; 634 } 635 636 if (Index >= i) 637 { 638 /* TBD: Add error msg */ 639 640 return (""); 641 } 642 643 return (List[Index]); 644 } 645 646 647 /******************************************************************************* 648 * 649 * FUNCTION: AcpiDmPldBuffer 650 * 651 * PARAMETERS: Level - Current source code indentation level 652 * ByteData - Pointer to the byte list 653 * ByteCount - Length of the byte list 654 * 655 * RETURN: None 656 * 657 * DESCRIPTION: Dump and format the contents of a _PLD buffer object 658 * 659 ******************************************************************************/ 660 661 #define ACPI_PLD_OUTPUT08 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 662 #define ACPI_PLD_OUTPUT08P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 663 #define ACPI_PLD_OUTPUT16 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 664 #define ACPI_PLD_OUTPUT16P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 665 #define ACPI_PLD_OUTPUT24 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 666 #define ACPI_PLD_OUTPUTSTR "%*.s%-22s = \"%s\",\n", ACPI_MUL_4 (Level), " " 667 668 static void 669 AcpiDmPldBuffer ( 670 UINT32 Level, 671 UINT8 *ByteData, 672 UINT32 ByteCount) 673 { 674 ACPI_PLD_INFO *PldInfo; 675 ACPI_STATUS Status; 676 677 678 /* Check for valid byte count */ 679 680 if (ByteCount < ACPI_PLD_REV1_BUFFER_SIZE) 681 { 682 return; 683 } 684 685 /* Convert _PLD buffer to local _PLD struct */ 686 687 Status = AcpiDecodePldBuffer (ByteData, ByteCount, &PldInfo); 688 if (ACPI_FAILURE (Status)) 689 { 690 return; 691 } 692 693 AcpiOsPrintf ("\n"); 694 695 /* First 32-bit dword */ 696 697 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Revision", PldInfo->Revision); 698 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_IgnoreColor", PldInfo->IgnoreColor); 699 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Red", PldInfo->Red); 700 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Green", PldInfo->Green); 701 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Blue", PldInfo->Blue); 702 703 /* Second 32-bit dword */ 704 705 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Width", PldInfo->Width); 706 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Height", PldInfo->Height); 707 708 /* Third 32-bit dword */ 709 710 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_UserVisible", PldInfo->UserVisible); 711 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Dock", PldInfo->Dock); 712 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Lid", PldInfo->Lid); 713 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Panel", 714 AcpiDmFindNameByIndex(PldInfo->Panel, AcpiGbl_PldPanelList)); 715 716 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_VerticalPosition", 717 AcpiDmFindNameByIndex(PldInfo->VerticalPosition, AcpiGbl_PldVerticalPositionList)); 718 719 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_HorizontalPosition", 720 AcpiDmFindNameByIndex(PldInfo->HorizontalPosition, AcpiGbl_PldHorizontalPositionList)); 721 722 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Shape", 723 AcpiDmFindNameByIndex(PldInfo->Shape, AcpiGbl_PldShapeList)); 724 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupOrientation", PldInfo->GroupOrientation); 725 726 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupToken", PldInfo->GroupToken); 727 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupPosition", PldInfo->GroupPosition); 728 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Bay", PldInfo->Bay); 729 730 /* Fourth 32-bit dword */ 731 732 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Ejectable", PldInfo->Ejectable); 733 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_EjectRequired", PldInfo->OspmEjectRequired); 734 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CabinetNumber", PldInfo->CabinetNumber); 735 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CardCageNumber", PldInfo->CardCageNumber); 736 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Reference", PldInfo->Reference); 737 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Rotation", PldInfo->Rotation); 738 739 if (ByteCount >= ACPI_PLD_REV2_BUFFER_SIZE) 740 { 741 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Order", PldInfo->Order); 742 743 /* Fifth 32-bit dword */ 744 745 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_VerticalOffset", PldInfo->VerticalOffset); 746 AcpiOsPrintf (ACPI_PLD_OUTPUT16P, "PLD_HorizontalOffset", PldInfo->HorizontalOffset); 747 } 748 else /* Rev 1 buffer */ 749 { 750 AcpiOsPrintf (ACPI_PLD_OUTPUT08P, "PLD_Order", PldInfo->Order); 751 } 752 753 ACPI_FREE (PldInfo); 754 } 755 756 757 /******************************************************************************* 758 * 759 * FUNCTION: AcpiDmUnicode 760 * 761 * PARAMETERS: Op - Byte List op containing Unicode string 762 * 763 * RETURN: None 764 * 765 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove 766 * the extra zero bytes). 767 * 768 ******************************************************************************/ 769 770 static void 771 AcpiDmUnicode ( 772 ACPI_PARSE_OBJECT *Op) 773 { 774 UINT16 *WordData; 775 UINT32 WordCount; 776 UINT32 i; 777 int OutputValue; 778 779 780 /* Extract the buffer info as a WORD buffer */ 781 782 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data); 783 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer)); 784 785 /* Write every other byte as an ASCII character */ 786 787 AcpiOsPrintf ("\""); 788 for (i = 0; i < (WordCount - 1); i++) 789 { 790 OutputValue = (int) WordData[i]; 791 792 /* Handle values that must be escaped */ 793 794 if ((OutputValue == '\"') || 795 (OutputValue == '\\')) 796 { 797 AcpiOsPrintf ("\\%c", OutputValue); 798 } 799 else if (!isprint (OutputValue)) 800 { 801 AcpiOsPrintf ("\\x%2.2X", OutputValue); 802 } 803 else 804 { 805 AcpiOsPrintf ("%c", OutputValue); 806 } 807 } 808 809 AcpiOsPrintf ("\")"); 810 } 811 812 813 /******************************************************************************* 814 * 815 * FUNCTION: AcpiDmGetHardwareIdType 816 * 817 * PARAMETERS: Op - Op to be examined 818 * 819 * RETURN: None 820 * 821 * DESCRIPTION: Determine the type of the argument to a _HID or _CID 822 * 1) Strings are allowed 823 * 2) If Integer, determine if it is a valid EISAID 824 * 825 ******************************************************************************/ 826 827 static void 828 AcpiDmGetHardwareIdType ( 829 ACPI_PARSE_OBJECT *Op) 830 { 831 UINT32 BigEndianId; 832 UINT32 Prefix[3]; 833 UINT32 i; 834 835 836 switch (Op->Common.AmlOpcode) 837 { 838 case AML_STRING_OP: 839 840 /* Mark this string as an _HID/_CID string */ 841 842 Op->Common.DisasmOpcode = ACPI_DASM_HID_STRING; 843 break; 844 845 case AML_WORD_OP: 846 case AML_DWORD_OP: 847 848 /* Determine if a Word/Dword is a valid encoded EISAID */ 849 850 /* Swap from little-endian to big-endian to simplify conversion */ 851 852 BigEndianId = AcpiUtDwordByteSwap ((UINT32) Op->Common.Value.Integer); 853 854 /* Create the 3 leading ASCII letters */ 855 856 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40; 857 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40; 858 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40; 859 860 /* Verify that all 3 are ascii and alpha */ 861 862 for (i = 0; i < 3; i++) 863 { 864 if (!ACPI_IS_ASCII (Prefix[i]) || 865 !isalpha (Prefix[i])) 866 { 867 return; 868 } 869 } 870 871 /* Mark this node as convertable to an EISA ID string */ 872 873 Op->Common.DisasmOpcode = ACPI_DASM_EISAID; 874 break; 875 876 default: 877 break; 878 } 879 } 880 881 882 /******************************************************************************* 883 * 884 * FUNCTION: AcpiDmCheckForHardwareId 885 * 886 * PARAMETERS: Op - Op to be examined 887 * 888 * RETURN: None 889 * 890 * DESCRIPTION: Determine if a Name() Op is a _HID/_CID. 891 * 892 ******************************************************************************/ 893 894 void 895 AcpiDmCheckForHardwareId ( 896 ACPI_PARSE_OBJECT *Op) 897 { 898 UINT32 Name; 899 ACPI_PARSE_OBJECT *NextOp; 900 901 902 /* Get the NameSegment */ 903 904 Name = AcpiPsGetName (Op); 905 if (!Name) 906 { 907 return; 908 } 909 910 NextOp = AcpiPsGetDepthNext (NULL, Op); 911 if (!NextOp) 912 { 913 return; 914 } 915 916 /* Check for _HID - has one argument */ 917 918 if (ACPI_COMPARE_NAME (&Name, METHOD_NAME__HID)) 919 { 920 AcpiDmGetHardwareIdType (NextOp); 921 return; 922 } 923 924 /* Exit if not _CID */ 925 926 if (!ACPI_COMPARE_NAME (&Name, METHOD_NAME__CID)) 927 { 928 return; 929 } 930 931 /* _CID can contain a single argument or a package */ 932 933 if (NextOp->Common.AmlOpcode != AML_PACKAGE_OP) 934 { 935 AcpiDmGetHardwareIdType (NextOp); 936 return; 937 } 938 939 /* _CID with Package: get the package length, check all elements */ 940 941 NextOp = AcpiPsGetDepthNext (NULL, NextOp); 942 if (!NextOp) 943 { 944 return; 945 } 946 947 /* Don't need to use the length, just walk the peer list */ 948 949 NextOp = NextOp->Common.Next; 950 while (NextOp) 951 { 952 AcpiDmGetHardwareIdType (NextOp); 953 NextOp = NextOp->Common.Next; 954 } 955 } 956 957 958 /******************************************************************************* 959 * 960 * FUNCTION: AcpiDmDecompressEisaId 961 * 962 * PARAMETERS: EncodedId - Raw encoded EISA ID. 963 * 964 * RETURN: None 965 * 966 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String 967 * and emit the correct ASL statement. If the ID is known, emit 968 * a description of the ID as a comment. 969 * 970 ******************************************************************************/ 971 972 void 973 AcpiDmDecompressEisaId ( 974 UINT32 EncodedId) 975 { 976 char IdBuffer[ACPI_EISAID_STRING_SIZE]; 977 const AH_DEVICE_ID *Info; 978 979 980 /* Convert EISAID to a string an emit the statement */ 981 982 AcpiExEisaIdToString (IdBuffer, EncodedId); 983 AcpiOsPrintf ("EisaId (\"%s\")", IdBuffer); 984 985 /* If we know about the ID, emit the description */ 986 987 Info = AcpiAhMatchHardwareId (IdBuffer); 988 if (Info) 989 { 990 AcpiOsPrintf (" /* %s */", Info->Description); 991 } 992 } 993