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 "acpi.h" 45 #include "accommon.h" 46 #include "acutils.h" 47 #include "acdisasm.h" 48 #include "acparser.h" 49 #include "amlcode.h" 50 #include "acinterp.h" 51 52 53 #ifdef ACPI_DISASSEMBLER 54 55 #define _COMPONENT ACPI_CA_DEBUGGER 56 ACPI_MODULE_NAME ("dmbuffer") 57 58 /* Local prototypes */ 59 60 static void 61 AcpiDmUuid ( 62 ACPI_PARSE_OBJECT *Op); 63 64 static void 65 AcpiDmUnicode ( 66 ACPI_PARSE_OBJECT *Op); 67 68 static void 69 AcpiDmGetHardwareIdType ( 70 ACPI_PARSE_OBJECT *Op); 71 72 static void 73 AcpiDmPldBuffer ( 74 UINT32 Level, 75 UINT8 *ByteData, 76 UINT32 ByteCount); 77 78 static const char * 79 AcpiDmFindNameByIndex ( 80 UINT64 Index, 81 const char **List); 82 83 84 #define ACPI_BUFFER_BYTES_PER_LINE 8 85 86 87 /******************************************************************************* 88 * 89 * FUNCTION: AcpiDmDisasmByteList 90 * 91 * PARAMETERS: Level - Current source code indentation level 92 * ByteData - Pointer to the byte list 93 * ByteCount - Length of the byte list 94 * 95 * RETURN: None 96 * 97 * DESCRIPTION: Dump an AML "ByteList" in Hex format. 8 bytes per line, prefixed 98 * with the hex buffer offset. 99 * 100 ******************************************************************************/ 101 102 void 103 AcpiDmDisasmByteList ( 104 UINT32 Level, 105 UINT8 *ByteData, 106 UINT32 ByteCount) 107 { 108 UINT32 i; 109 UINT32 j; 110 UINT32 CurrentIndex; 111 UINT8 BufChar; 112 113 114 if (!ByteCount) 115 { 116 return; 117 } 118 119 for (i = 0; i < ByteCount; i += ACPI_BUFFER_BYTES_PER_LINE) 120 { 121 /* Line indent and offset prefix for each new line */ 122 123 AcpiDmIndent (Level); 124 if (ByteCount > ACPI_BUFFER_BYTES_PER_LINE) 125 { 126 AcpiOsPrintf ("/* %04X */ ", i); 127 } 128 129 /* Dump the actual hex values */ 130 131 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++) 132 { 133 CurrentIndex = i + j; 134 if (CurrentIndex >= ByteCount) 135 { 136 /* Dump fill spaces */ 137 138 AcpiOsPrintf (" "); 139 continue; 140 } 141 142 AcpiOsPrintf (" 0x%2.2X", ByteData[CurrentIndex]); 143 144 /* Add comma if there are more bytes to display */ 145 146 if (CurrentIndex < (ByteCount - 1)) 147 { 148 AcpiOsPrintf (","); 149 } 150 else 151 { 152 AcpiOsPrintf (" "); 153 } 154 } 155 156 /* Dump the ASCII equivalents within a comment */ 157 158 AcpiOsPrintf (" /* "); 159 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++) 160 { 161 CurrentIndex = i + j; 162 if (CurrentIndex >= ByteCount) 163 { 164 break; 165 } 166 167 BufChar = ByteData[CurrentIndex]; 168 if (isprint (BufChar)) 169 { 170 AcpiOsPrintf ("%c", BufChar); 171 } 172 else 173 { 174 AcpiOsPrintf ("."); 175 } 176 } 177 178 /* Finished with this line */ 179 180 AcpiOsPrintf (" */\n"); 181 } 182 } 183 184 185 /******************************************************************************* 186 * 187 * FUNCTION: AcpiDmByteList 188 * 189 * PARAMETERS: Info - Parse tree walk info 190 * Op - Byte list op 191 * 192 * RETURN: None 193 * 194 * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers. 195 * Buffer type must be already set in the Op DisasmOpcode. 196 * 197 ******************************************************************************/ 198 199 void 200 AcpiDmByteList ( 201 ACPI_OP_WALK_INFO *Info, 202 ACPI_PARSE_OBJECT *Op) 203 { 204 UINT8 *ByteData; 205 UINT32 ByteCount; 206 207 208 ByteData = Op->Named.Data; 209 ByteCount = (UINT32) Op->Common.Value.Integer; 210 211 /* 212 * The byte list belongs to a buffer, and can be produced by either 213 * a ResourceTemplate, Unicode, quoted string, or a plain byte list. 214 */ 215 switch (Op->Common.Parent->Common.DisasmOpcode) 216 { 217 case ACPI_DASM_RESOURCE: 218 219 AcpiDmResourceTemplate ( 220 Info, Op->Common.Parent, ByteData, ByteCount); 221 break; 222 223 case ACPI_DASM_STRING: 224 225 AcpiDmIndent (Info->Level); 226 AcpiUtPrintString ((char *) ByteData, ACPI_UINT16_MAX); 227 AcpiOsPrintf ("\n"); 228 break; 229 230 case ACPI_DASM_UUID: 231 232 AcpiDmUuid (Op); 233 break; 234 235 case ACPI_DASM_UNICODE: 236 237 AcpiDmUnicode (Op); 238 break; 239 240 case ACPI_DASM_PLD_METHOD: 241 #if 0 242 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount); 243 #endif 244 AcpiDmPldBuffer (Info->Level, ByteData, ByteCount); 245 break; 246 247 case ACPI_DASM_BUFFER: 248 default: 249 /* 250 * Not a resource, string, or unicode string. 251 * Just dump the buffer 252 */ 253 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount); 254 break; 255 } 256 } 257 258 259 /******************************************************************************* 260 * 261 * FUNCTION: AcpiDmIsUuidBuffer 262 * 263 * PARAMETERS: Op - Buffer Object to be examined 264 * 265 * RETURN: TRUE if buffer contains a UUID 266 * 267 * DESCRIPTION: Determine if a buffer Op contains a UUID 268 * 269 * To help determine whether the buffer is a UUID versus a raw data buffer, 270 * there a are a couple bytes we can look at: 271 * 272 * xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx 273 * 274 * The variant covered by the UUID specification is indicated by the two most 275 * significant bits of N being 1 0 (i.e., the hexadecimal N will always be 276 * 8, 9, A, or B). 277 * 278 * The variant covered by the UUID specification has five versions. For this 279 * variant, the four bits of M indicates the UUID version (i.e., the 280 * hexadecimal M will be either 1, 2, 3, 4, or 5). 281 * 282 ******************************************************************************/ 283 284 BOOLEAN 285 AcpiDmIsUuidBuffer ( 286 ACPI_PARSE_OBJECT *Op) 287 { 288 UINT8 *ByteData; 289 UINT32 ByteCount; 290 ACPI_PARSE_OBJECT *SizeOp; 291 ACPI_PARSE_OBJECT *NextOp; 292 293 294 /* Buffer size is the buffer argument */ 295 296 SizeOp = Op->Common.Value.Arg; 297 298 /* Next, the initializer byte list to examine */ 299 300 NextOp = SizeOp->Common.Next; 301 if (!NextOp) 302 { 303 return (FALSE); 304 } 305 306 /* Extract the byte list info */ 307 308 ByteData = NextOp->Named.Data; 309 ByteCount = (UINT32) NextOp->Common.Value.Integer; 310 311 /* Byte count must be exactly 16 */ 312 313 if (ByteCount != UUID_BUFFER_LENGTH) 314 { 315 return (FALSE); 316 } 317 318 /* Check for valid "M" and "N" values (see function header above) */ 319 320 if (((ByteData[7] & 0xF0) == 0x00) || /* M={1,2,3,4,5} */ 321 ((ByteData[7] & 0xF0) > 0x50) || 322 ((ByteData[8] & 0xF0) < 0x80) || /* N={8,9,A,B} */ 323 ((ByteData[8] & 0xF0) > 0xB0)) 324 { 325 return (FALSE); 326 } 327 328 /* Ignore the Size argument in the disassembly of this buffer op */ 329 330 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 331 return (TRUE); 332 } 333 334 335 /******************************************************************************* 336 * 337 * FUNCTION: AcpiDmUuid 338 * 339 * PARAMETERS: Op - Byte List op containing a UUID 340 * 341 * RETURN: None 342 * 343 * DESCRIPTION: Dump a buffer containing a UUID as a standard ASCII string. 344 * 345 * Output Format: 346 * In its canonical form, the UUID is represented by a string containing 32 347 * lowercase hexadecimal digits, displayed in 5 groups separated by hyphens. 348 * The complete form is 8-4-4-4-12 for a total of 36 characters (32 349 * alphanumeric characters representing hex digits and 4 hyphens). In bytes, 350 * 4-2-2-2-6. Example: 351 * 352 * ToUUID ("107ededd-d381-4fd7-8da9-08e9a6c79644") 353 * 354 ******************************************************************************/ 355 356 static void 357 AcpiDmUuid ( 358 ACPI_PARSE_OBJECT *Op) 359 { 360 UINT8 *Data; 361 const char *Description; 362 363 364 Data = ACPI_CAST_PTR (UINT8, Op->Named.Data); 365 366 /* Emit the 36-byte UUID string in the proper format/order */ 367 368 AcpiOsPrintf ( 369 "\"%2.2x%2.2x%2.2x%2.2x-" 370 "%2.2x%2.2x-" 371 "%2.2x%2.2x-" 372 "%2.2x%2.2x-" 373 "%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\")", 374 Data[3], Data[2], Data[1], Data[0], 375 Data[5], Data[4], 376 Data[7], Data[6], 377 Data[8], Data[9], 378 Data[10], Data[11], Data[12], Data[13], Data[14], Data[15]); 379 380 /* Dump the UUID description string if available */ 381 382 Description = AcpiAhMatchUuid (Data); 383 if (Description) 384 { 385 AcpiOsPrintf (" /* %s */", Description); 386 } 387 } 388 389 390 /******************************************************************************* 391 * 392 * FUNCTION: AcpiDmIsUnicodeBuffer 393 * 394 * PARAMETERS: Op - Buffer Object to be examined 395 * 396 * RETURN: TRUE if buffer contains a UNICODE string 397 * 398 * DESCRIPTION: Determine if a buffer Op contains a Unicode string 399 * 400 ******************************************************************************/ 401 402 BOOLEAN 403 AcpiDmIsUnicodeBuffer ( 404 ACPI_PARSE_OBJECT *Op) 405 { 406 UINT8 *ByteData; 407 UINT32 ByteCount; 408 UINT32 WordCount; 409 ACPI_PARSE_OBJECT *SizeOp; 410 ACPI_PARSE_OBJECT *NextOp; 411 UINT32 i; 412 413 414 /* Buffer size is the buffer argument */ 415 416 SizeOp = Op->Common.Value.Arg; 417 418 /* Next, the initializer byte list to examine */ 419 420 NextOp = SizeOp->Common.Next; 421 if (!NextOp) 422 { 423 return (FALSE); 424 } 425 426 /* Extract the byte list info */ 427 428 ByteData = NextOp->Named.Data; 429 ByteCount = (UINT32) NextOp->Common.Value.Integer; 430 WordCount = ACPI_DIV_2 (ByteCount); 431 432 /* 433 * Unicode string must have an even number of bytes and last 434 * word must be zero 435 */ 436 if ((!ByteCount) || 437 (ByteCount < 4) || 438 (ByteCount & 1) || 439 ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0) 440 { 441 return (FALSE); 442 } 443 444 /* For each word, 1st byte must be ascii (1-0x7F), 2nd byte must be zero */ 445 446 for (i = 0; i < (ByteCount - 2); i += 2) 447 { 448 if ((ByteData[i] == 0) || 449 (ByteData[i] > 0x7F) || 450 (ByteData[(ACPI_SIZE) i + 1] != 0)) 451 { 452 return (FALSE); 453 } 454 } 455 456 /* Ignore the Size argument in the disassembly of this buffer op */ 457 458 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 459 return (TRUE); 460 } 461 462 463 /******************************************************************************* 464 * 465 * FUNCTION: AcpiDmIsStringBuffer 466 * 467 * PARAMETERS: Op - Buffer Object to be examined 468 * 469 * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise 470 * 471 * DESCRIPTION: Determine if a buffer Op contains a ASCII string 472 * 473 ******************************************************************************/ 474 475 BOOLEAN 476 AcpiDmIsStringBuffer ( 477 ACPI_PARSE_OBJECT *Op) 478 { 479 UINT8 *ByteData; 480 UINT32 ByteCount; 481 ACPI_PARSE_OBJECT *SizeOp; 482 ACPI_PARSE_OBJECT *NextOp; 483 UINT32 i; 484 485 486 /* Buffer size is the buffer argument */ 487 488 SizeOp = Op->Common.Value.Arg; 489 490 /* Next, the initializer byte list to examine */ 491 492 NextOp = SizeOp->Common.Next; 493 if (!NextOp) 494 { 495 return (FALSE); 496 } 497 498 /* Extract the byte list info */ 499 500 ByteData = NextOp->Named.Data; 501 ByteCount = (UINT32) NextOp->Common.Value.Integer; 502 503 /* Last byte must be the null terminator */ 504 505 if ((!ByteCount) || 506 (ByteCount < 2) || 507 (ByteData[ByteCount-1] != 0)) 508 { 509 return (FALSE); 510 } 511 512 for (i = 0; i < (ByteCount - 1); i++) 513 { 514 /* TBD: allow some escapes (non-ascii chars). 515 * they will be handled in the string output routine 516 */ 517 518 if (!isprint (ByteData[i])) 519 { 520 return (FALSE); 521 } 522 } 523 524 return (TRUE); 525 } 526 527 528 /******************************************************************************* 529 * 530 * FUNCTION: AcpiDmIsPldBuffer 531 * 532 * PARAMETERS: Op - Buffer Object to be examined 533 * 534 * RETURN: TRUE if buffer appears to contain data produced via the 535 * ToPLD macro, FALSE otherwise 536 * 537 * DESCRIPTION: Determine if a buffer Op contains a _PLD structure 538 * 539 ******************************************************************************/ 540 541 BOOLEAN 542 AcpiDmIsPldBuffer ( 543 ACPI_PARSE_OBJECT *Op) 544 { 545 ACPI_NAMESPACE_NODE *Node; 546 ACPI_PARSE_OBJECT *SizeOp; 547 ACPI_PARSE_OBJECT *ByteListOp; 548 ACPI_PARSE_OBJECT *ParentOp; 549 UINT64 BufferSize; 550 UINT64 InitializerSize; 551 552 553 /* 554 * Get the BufferSize argument - Buffer(BufferSize) 555 * If the buffer was generated by the ToPld macro, it must 556 * be a BYTE constant. 557 */ 558 SizeOp = Op->Common.Value.Arg; 559 if (SizeOp->Common.AmlOpcode != AML_BYTE_OP) 560 { 561 return (FALSE); 562 } 563 564 /* Check the declared BufferSize, two possibilities */ 565 566 BufferSize = SizeOp->Common.Value.Integer; 567 if ((BufferSize != ACPI_PLD_REV1_BUFFER_SIZE) && 568 (BufferSize != ACPI_PLD_REV2_BUFFER_SIZE)) 569 { 570 return (FALSE); 571 } 572 573 /* 574 * Check the initializer list length. This is the actual 575 * number of bytes in the buffer as counted by the AML parser. 576 * The declared BufferSize can be larger than the actual length. 577 * However, for the ToPLD macro, the BufferSize will be the same 578 * as the initializer list length. 579 */ 580 ByteListOp = SizeOp->Common.Next; 581 if (!ByteListOp) 582 { 583 return (FALSE); /* Zero-length buffer case */ 584 } 585 586 InitializerSize = ByteListOp->Common.Value.Integer; 587 if ((InitializerSize != ACPI_PLD_REV1_BUFFER_SIZE) && 588 (InitializerSize != ACPI_PLD_REV2_BUFFER_SIZE)) 589 { 590 return (FALSE); 591 } 592 593 /* Final size check */ 594 595 if (BufferSize != InitializerSize) 596 { 597 return (FALSE); 598 } 599 600 /* Now examine the buffer parent */ 601 602 ParentOp = Op->Common.Parent; 603 if (!ParentOp) 604 { 605 return (FALSE); 606 } 607 608 /* Check for form: Name(_PLD, Buffer() {}). Not legal, however */ 609 610 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 611 { 612 Node = ParentOp->Common.Node; 613 614 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 615 { 616 /* Ignore the Size argument in the disassembly of this buffer op */ 617 618 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 619 return (TRUE); 620 } 621 622 return (FALSE); 623 } 624 625 /* 626 * Check for proper form: Name(_PLD, Package() {ToPLD()}) 627 * 628 * Note: All other forms such as 629 * Return (Package() {ToPLD()}) 630 * Local0 = ToPLD() 631 * etc. are not converted back to the ToPLD macro, because 632 * there is really no deterministic way to disassemble the buffer 633 * back to the ToPLD macro, other than trying to find the "_PLD" 634 * name 635 */ 636 if (ParentOp->Common.AmlOpcode == AML_PACKAGE_OP) 637 { 638 ParentOp = ParentOp->Common.Parent; 639 if (!ParentOp) 640 { 641 return (FALSE); 642 } 643 644 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 645 { 646 Node = ParentOp->Common.Node; 647 648 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 649 { 650 /* Ignore the Size argument in the disassembly of this buffer op */ 651 652 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 653 return (TRUE); 654 } 655 } 656 } 657 658 return (FALSE); 659 } 660 661 662 /******************************************************************************* 663 * 664 * FUNCTION: AcpiDmFindNameByIndex 665 * 666 * PARAMETERS: Index - Index of array to check 667 * List - Array to reference 668 * 669 * RETURN: String from List or empty string 670 * 671 * DESCRIPTION: Finds and returns the char string located at the given index 672 * position in List. 673 * 674 ******************************************************************************/ 675 676 static const char * 677 AcpiDmFindNameByIndex ( 678 UINT64 Index, 679 const char **List) 680 { 681 const char *NameString; 682 UINT32 i; 683 684 685 /* Bounds check */ 686 687 NameString = List[0]; 688 i = 0; 689 690 while (NameString) 691 { 692 i++; 693 NameString = List[i]; 694 } 695 696 if (Index >= i) 697 { 698 /* TBD: Add error msg */ 699 700 return (""); 701 } 702 703 return (List[Index]); 704 } 705 706 707 /******************************************************************************* 708 * 709 * FUNCTION: AcpiDmPldBuffer 710 * 711 * PARAMETERS: Level - Current source code indentation level 712 * ByteData - Pointer to the byte list 713 * ByteCount - Length of the byte list 714 * 715 * RETURN: None 716 * 717 * DESCRIPTION: Dump and format the contents of a _PLD buffer object 718 * 719 ******************************************************************************/ 720 721 #define ACPI_PLD_OUTPUT08 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 722 #define ACPI_PLD_OUTPUT08P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 723 #define ACPI_PLD_OUTPUT16 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 724 #define ACPI_PLD_OUTPUT16P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 725 #define ACPI_PLD_OUTPUT24 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 726 #define ACPI_PLD_OUTPUTSTR "%*.s%-22s = \"%s\",\n", ACPI_MUL_4 (Level), " " 727 728 static void 729 AcpiDmPldBuffer ( 730 UINT32 Level, 731 UINT8 *ByteData, 732 UINT32 ByteCount) 733 { 734 ACPI_PLD_INFO *PldInfo; 735 ACPI_STATUS Status; 736 737 738 /* Check for valid byte count */ 739 740 if (ByteCount < ACPI_PLD_REV1_BUFFER_SIZE) 741 { 742 return; 743 } 744 745 /* Convert _PLD buffer to local _PLD struct */ 746 747 Status = AcpiDecodePldBuffer (ByteData, ByteCount, &PldInfo); 748 if (ACPI_FAILURE (Status)) 749 { 750 return; 751 } 752 753 AcpiOsPrintf ("\n"); 754 755 /* First 32-bit dword */ 756 757 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Revision", PldInfo->Revision); 758 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_IgnoreColor", PldInfo->IgnoreColor); 759 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Red", PldInfo->Red); 760 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Green", PldInfo->Green); 761 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Blue", PldInfo->Blue); 762 763 /* Second 32-bit dword */ 764 765 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Width", PldInfo->Width); 766 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Height", PldInfo->Height); 767 768 /* Third 32-bit dword */ 769 770 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_UserVisible", PldInfo->UserVisible); 771 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Dock", PldInfo->Dock); 772 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Lid", PldInfo->Lid); 773 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Panel", 774 AcpiDmFindNameByIndex(PldInfo->Panel, AcpiGbl_PldPanelList)); 775 776 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_VerticalPosition", 777 AcpiDmFindNameByIndex(PldInfo->VerticalPosition, AcpiGbl_PldVerticalPositionList)); 778 779 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_HorizontalPosition", 780 AcpiDmFindNameByIndex(PldInfo->HorizontalPosition, AcpiGbl_PldHorizontalPositionList)); 781 782 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Shape", 783 AcpiDmFindNameByIndex(PldInfo->Shape, AcpiGbl_PldShapeList)); 784 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupOrientation", PldInfo->GroupOrientation); 785 786 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupToken", PldInfo->GroupToken); 787 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupPosition", PldInfo->GroupPosition); 788 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Bay", PldInfo->Bay); 789 790 /* Fourth 32-bit dword */ 791 792 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Ejectable", PldInfo->Ejectable); 793 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_EjectRequired", PldInfo->OspmEjectRequired); 794 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CabinetNumber", PldInfo->CabinetNumber); 795 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CardCageNumber", PldInfo->CardCageNumber); 796 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Reference", PldInfo->Reference); 797 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Rotation", PldInfo->Rotation); 798 799 if (ByteCount >= ACPI_PLD_REV2_BUFFER_SIZE) 800 { 801 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Order", PldInfo->Order); 802 803 /* Fifth 32-bit dword */ 804 805 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_VerticalOffset", PldInfo->VerticalOffset); 806 AcpiOsPrintf (ACPI_PLD_OUTPUT16P, "PLD_HorizontalOffset", PldInfo->HorizontalOffset); 807 } 808 else /* Rev 1 buffer */ 809 { 810 AcpiOsPrintf (ACPI_PLD_OUTPUT08P, "PLD_Order", PldInfo->Order); 811 } 812 813 ACPI_FREE (PldInfo); 814 } 815 816 817 /******************************************************************************* 818 * 819 * FUNCTION: AcpiDmUnicode 820 * 821 * PARAMETERS: Op - Byte List op containing Unicode string 822 * 823 * RETURN: None 824 * 825 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove 826 * the extra zero bytes). 827 * 828 ******************************************************************************/ 829 830 static void 831 AcpiDmUnicode ( 832 ACPI_PARSE_OBJECT *Op) 833 { 834 UINT16 *WordData; 835 UINT32 WordCount; 836 UINT32 i; 837 int OutputValue; 838 839 840 /* Extract the buffer info as a WORD buffer */ 841 842 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data); 843 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer)); 844 845 /* Write every other byte as an ASCII character */ 846 847 AcpiOsPrintf ("\""); 848 for (i = 0; i < (WordCount - 1); i++) 849 { 850 OutputValue = (int) WordData[i]; 851 852 /* Handle values that must be escaped */ 853 854 if ((OutputValue == '\"') || 855 (OutputValue == '\\')) 856 { 857 AcpiOsPrintf ("\\%c", OutputValue); 858 } 859 else if (!isprint (OutputValue)) 860 { 861 AcpiOsPrintf ("\\x%2.2X", OutputValue); 862 } 863 else 864 { 865 AcpiOsPrintf ("%c", OutputValue); 866 } 867 } 868 869 AcpiOsPrintf ("\")"); 870 } 871 872 873 /******************************************************************************* 874 * 875 * FUNCTION: AcpiDmGetHardwareIdType 876 * 877 * PARAMETERS: Op - Op to be examined 878 * 879 * RETURN: None 880 * 881 * DESCRIPTION: Determine the type of the argument to a _HID or _CID 882 * 1) Strings are allowed 883 * 2) If Integer, determine if it is a valid EISAID 884 * 885 ******************************************************************************/ 886 887 static void 888 AcpiDmGetHardwareIdType ( 889 ACPI_PARSE_OBJECT *Op) 890 { 891 UINT32 BigEndianId; 892 UINT32 Prefix[3]; 893 UINT32 i; 894 895 896 switch (Op->Common.AmlOpcode) 897 { 898 case AML_STRING_OP: 899 900 /* Mark this string as an _HID/_CID string */ 901 902 Op->Common.DisasmOpcode = ACPI_DASM_HID_STRING; 903 break; 904 905 case AML_WORD_OP: 906 case AML_DWORD_OP: 907 908 /* Determine if a Word/Dword is a valid encoded EISAID */ 909 910 /* Swap from little-endian to big-endian to simplify conversion */ 911 912 BigEndianId = AcpiUtDwordByteSwap ((UINT32) Op->Common.Value.Integer); 913 914 /* Create the 3 leading ASCII letters */ 915 916 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40; 917 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40; 918 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40; 919 920 /* Verify that all 3 are ascii and alpha */ 921 922 for (i = 0; i < 3; i++) 923 { 924 if (!ACPI_IS_ASCII (Prefix[i]) || 925 !isalpha (Prefix[i])) 926 { 927 return; 928 } 929 } 930 931 /* Mark this node as convertable to an EISA ID string */ 932 933 Op->Common.DisasmOpcode = ACPI_DASM_EISAID; 934 break; 935 936 default: 937 break; 938 } 939 } 940 941 942 /******************************************************************************* 943 * 944 * FUNCTION: AcpiDmCheckForHardwareId 945 * 946 * PARAMETERS: Op - Op to be examined 947 * 948 * RETURN: None 949 * 950 * DESCRIPTION: Determine if a Name() Op is a _HID/_CID. 951 * 952 ******************************************************************************/ 953 954 void 955 AcpiDmCheckForHardwareId ( 956 ACPI_PARSE_OBJECT *Op) 957 { 958 UINT32 Name; 959 ACPI_PARSE_OBJECT *NextOp; 960 961 962 /* Get the NameSegment */ 963 964 Name = AcpiPsGetName (Op); 965 if (!Name) 966 { 967 return; 968 } 969 970 NextOp = AcpiPsGetDepthNext (NULL, Op); 971 if (!NextOp) 972 { 973 return; 974 } 975 976 /* Check for _HID - has one argument */ 977 978 if (ACPI_COMPARE_NAME (&Name, METHOD_NAME__HID)) 979 { 980 AcpiDmGetHardwareIdType (NextOp); 981 return; 982 } 983 984 /* Exit if not _CID */ 985 986 if (!ACPI_COMPARE_NAME (&Name, METHOD_NAME__CID)) 987 { 988 return; 989 } 990 991 /* _CID can contain a single argument or a package */ 992 993 if (NextOp->Common.AmlOpcode != AML_PACKAGE_OP) 994 { 995 AcpiDmGetHardwareIdType (NextOp); 996 return; 997 } 998 999 /* _CID with Package: get the package length, check all elements */ 1000 1001 NextOp = AcpiPsGetDepthNext (NULL, NextOp); 1002 if (!NextOp) 1003 { 1004 return; 1005 } 1006 1007 /* Don't need to use the length, just walk the peer list */ 1008 1009 NextOp = NextOp->Common.Next; 1010 while (NextOp) 1011 { 1012 AcpiDmGetHardwareIdType (NextOp); 1013 NextOp = NextOp->Common.Next; 1014 } 1015 } 1016 1017 1018 /******************************************************************************* 1019 * 1020 * FUNCTION: AcpiDmDecompressEisaId 1021 * 1022 * PARAMETERS: EncodedId - Raw encoded EISA ID. 1023 * 1024 * RETURN: None 1025 * 1026 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String 1027 * and emit the correct ASL statement. If the ID is known, emit 1028 * a description of the ID as a comment. 1029 * 1030 ******************************************************************************/ 1031 1032 void 1033 AcpiDmDecompressEisaId ( 1034 UINT32 EncodedId) 1035 { 1036 char IdBuffer[ACPI_EISAID_STRING_SIZE]; 1037 const AH_DEVICE_ID *Info; 1038 1039 1040 /* Convert EISAID to a string an emit the statement */ 1041 1042 AcpiExEisaIdToString (IdBuffer, EncodedId); 1043 AcpiOsPrintf ("EisaId (\"%s\")", IdBuffer); 1044 1045 /* If we know about the ID, emit the description */ 1046 1047 Info = AcpiAhMatchHardwareId (IdBuffer); 1048 if (Info) 1049 { 1050 AcpiOsPrintf (" /* %s */", Info->Description); 1051 } 1052 } 1053 1054 #endif 1055