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 #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 #ifdef ACPI_APPLICATION 379 /* Dump the UUID description string if available */ 380 381 Description = AcpiAhMatchUuid (Data); 382 if (Description) 383 { 384 AcpiOsPrintf (" /* %s */", Description); 385 } 386 #endif 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 contains a ASCII string, FALSE otherwise 535 * 536 * DESCRIPTION: Determine if a buffer Op contains a _PLD structure 537 * 538 ******************************************************************************/ 539 540 BOOLEAN 541 AcpiDmIsPldBuffer ( 542 ACPI_PARSE_OBJECT *Op) 543 { 544 ACPI_NAMESPACE_NODE *Node; 545 ACPI_PARSE_OBJECT *SizeOp; 546 ACPI_PARSE_OBJECT *ParentOp; 547 548 549 /* Buffer size is the buffer argument */ 550 551 SizeOp = Op->Common.Value.Arg; 552 553 ParentOp = Op->Common.Parent; 554 if (!ParentOp) 555 { 556 return (FALSE); 557 } 558 559 /* Check for form: Name(_PLD, Buffer() {}). Not legal, however */ 560 561 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 562 { 563 Node = ParentOp->Common.Node; 564 565 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 566 { 567 /* Ignore the Size argument in the disassembly of this buffer op */ 568 569 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 570 return (TRUE); 571 } 572 573 return (FALSE); 574 } 575 576 /* Check for proper form: Name(_PLD, Package() {Buffer() {}}) */ 577 578 if (ParentOp->Common.AmlOpcode == AML_PACKAGE_OP) 579 { 580 ParentOp = ParentOp->Common.Parent; 581 if (!ParentOp) 582 { 583 return (FALSE); 584 } 585 586 if (ParentOp->Common.AmlOpcode == AML_NAME_OP) 587 { 588 Node = ParentOp->Common.Node; 589 590 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD)) 591 { 592 /* Ignore the Size argument in the disassembly of this buffer op */ 593 594 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 595 return (TRUE); 596 } 597 } 598 } 599 600 return (FALSE); 601 } 602 603 604 /******************************************************************************* 605 * 606 * FUNCTION: AcpiDmFindNameByIndex 607 * 608 * PARAMETERS: Index - Index of array to check 609 * List - Array to reference 610 * 611 * RETURN: String from List or empty string 612 * 613 * DESCRIPTION: Finds and returns the char string located at the given index 614 * position in List. 615 * 616 ******************************************************************************/ 617 618 static const char * 619 AcpiDmFindNameByIndex ( 620 UINT64 Index, 621 const char **List) 622 { 623 const char *NameString; 624 UINT32 i; 625 626 627 /* Bounds check */ 628 629 NameString = List[0]; 630 i = 0; 631 632 while (NameString) 633 { 634 i++; 635 NameString = List[i]; 636 } 637 638 if (Index >= i) 639 { 640 /* TBD: Add error msg */ 641 642 return (""); 643 } 644 645 return (List[Index]); 646 } 647 648 649 /******************************************************************************* 650 * 651 * FUNCTION: AcpiDmPldBuffer 652 * 653 * PARAMETERS: Level - Current source code indentation level 654 * ByteData - Pointer to the byte list 655 * ByteCount - Length of the byte list 656 * 657 * RETURN: None 658 * 659 * DESCRIPTION: Dump and format the contents of a _PLD buffer object 660 * 661 ******************************************************************************/ 662 663 #define ACPI_PLD_OUTPUT08 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 664 #define ACPI_PLD_OUTPUT08P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 665 #define ACPI_PLD_OUTPUT16 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 666 #define ACPI_PLD_OUTPUT16P "%*.s%-22s = 0x%X)\n", ACPI_MUL_4 (Level), " " 667 #define ACPI_PLD_OUTPUT24 "%*.s%-22s = 0x%X,\n", ACPI_MUL_4 (Level), " " 668 #define ACPI_PLD_OUTPUTSTR "%*.s%-22s = \"%s\",\n", ACPI_MUL_4 (Level), " " 669 670 static void 671 AcpiDmPldBuffer ( 672 UINT32 Level, 673 UINT8 *ByteData, 674 UINT32 ByteCount) 675 { 676 ACPI_PLD_INFO *PldInfo; 677 ACPI_STATUS Status; 678 679 680 /* Check for valid byte count */ 681 682 if (ByteCount < ACPI_PLD_REV1_BUFFER_SIZE) 683 { 684 return; 685 } 686 687 /* Convert _PLD buffer to local _PLD struct */ 688 689 Status = AcpiDecodePldBuffer (ByteData, ByteCount, &PldInfo); 690 if (ACPI_FAILURE (Status)) 691 { 692 return; 693 } 694 695 AcpiOsPrintf ("\n"); 696 697 /* First 32-bit dword */ 698 699 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Revision", PldInfo->Revision); 700 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_IgnoreColor", PldInfo->IgnoreColor); 701 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Red", PldInfo->Red); 702 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Green", PldInfo->Green); 703 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Blue", PldInfo->Blue); 704 705 /* Second 32-bit dword */ 706 707 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Width", PldInfo->Width); 708 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Height", PldInfo->Height); 709 710 /* Third 32-bit dword */ 711 712 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_UserVisible", PldInfo->UserVisible); 713 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Dock", PldInfo->Dock); 714 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Lid", PldInfo->Lid); 715 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Panel", 716 AcpiDmFindNameByIndex(PldInfo->Panel, AcpiGbl_PldPanelList)); 717 718 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_VerticalPosition", 719 AcpiDmFindNameByIndex(PldInfo->VerticalPosition, AcpiGbl_PldVerticalPositionList)); 720 721 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_HorizontalPosition", 722 AcpiDmFindNameByIndex(PldInfo->HorizontalPosition, AcpiGbl_PldHorizontalPositionList)); 723 724 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Shape", 725 AcpiDmFindNameByIndex(PldInfo->Shape, AcpiGbl_PldShapeList)); 726 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupOrientation", PldInfo->GroupOrientation); 727 728 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupToken", PldInfo->GroupToken); 729 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupPosition", PldInfo->GroupPosition); 730 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Bay", PldInfo->Bay); 731 732 /* Fourth 32-bit dword */ 733 734 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Ejectable", PldInfo->Ejectable); 735 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_EjectRequired", PldInfo->OspmEjectRequired); 736 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CabinetNumber", PldInfo->CabinetNumber); 737 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CardCageNumber", PldInfo->CardCageNumber); 738 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Reference", PldInfo->Reference); 739 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Rotation", PldInfo->Rotation); 740 741 if (ByteCount >= ACPI_PLD_REV2_BUFFER_SIZE) 742 { 743 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Order", PldInfo->Order); 744 745 /* Fifth 32-bit dword */ 746 747 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_VerticalOffset", PldInfo->VerticalOffset); 748 AcpiOsPrintf (ACPI_PLD_OUTPUT16P, "PLD_HorizontalOffset", PldInfo->HorizontalOffset); 749 } 750 else /* Rev 1 buffer */ 751 { 752 AcpiOsPrintf (ACPI_PLD_OUTPUT08P, "PLD_Order", PldInfo->Order); 753 } 754 755 ACPI_FREE (PldInfo); 756 } 757 758 759 /******************************************************************************* 760 * 761 * FUNCTION: AcpiDmUnicode 762 * 763 * PARAMETERS: Op - Byte List op containing Unicode string 764 * 765 * RETURN: None 766 * 767 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove 768 * the extra zero bytes). 769 * 770 ******************************************************************************/ 771 772 static void 773 AcpiDmUnicode ( 774 ACPI_PARSE_OBJECT *Op) 775 { 776 UINT16 *WordData; 777 UINT32 WordCount; 778 UINT32 i; 779 int OutputValue; 780 781 782 /* Extract the buffer info as a WORD buffer */ 783 784 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data); 785 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer)); 786 787 /* Write every other byte as an ASCII character */ 788 789 AcpiOsPrintf ("\""); 790 for (i = 0; i < (WordCount - 1); i++) 791 { 792 OutputValue = (int) WordData[i]; 793 794 /* Handle values that must be escaped */ 795 796 if ((OutputValue == '\"') || 797 (OutputValue == '\\')) 798 { 799 AcpiOsPrintf ("\\%c", OutputValue); 800 } 801 else if (!isprint (OutputValue)) 802 { 803 AcpiOsPrintf ("\\x%2.2X", OutputValue); 804 } 805 else 806 { 807 AcpiOsPrintf ("%c", OutputValue); 808 } 809 } 810 811 AcpiOsPrintf ("\")"); 812 } 813 814 815 /******************************************************************************* 816 * 817 * FUNCTION: AcpiDmGetHardwareIdType 818 * 819 * PARAMETERS: Op - Op to be examined 820 * 821 * RETURN: None 822 * 823 * DESCRIPTION: Determine the type of the argument to a _HID or _CID 824 * 1) Strings are allowed 825 * 2) If Integer, determine if it is a valid EISAID 826 * 827 ******************************************************************************/ 828 829 static void 830 AcpiDmGetHardwareIdType ( 831 ACPI_PARSE_OBJECT *Op) 832 { 833 UINT32 BigEndianId; 834 UINT32 Prefix[3]; 835 UINT32 i; 836 837 838 switch (Op->Common.AmlOpcode) 839 { 840 case AML_STRING_OP: 841 842 /* Mark this string as an _HID/_CID string */ 843 844 Op->Common.DisasmOpcode = ACPI_DASM_HID_STRING; 845 break; 846 847 case AML_WORD_OP: 848 case AML_DWORD_OP: 849 850 /* Determine if a Word/Dword is a valid encoded EISAID */ 851 852 /* Swap from little-endian to big-endian to simplify conversion */ 853 854 BigEndianId = AcpiUtDwordByteSwap ((UINT32) Op->Common.Value.Integer); 855 856 /* Create the 3 leading ASCII letters */ 857 858 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40; 859 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40; 860 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40; 861 862 /* Verify that all 3 are ascii and alpha */ 863 864 for (i = 0; i < 3; i++) 865 { 866 if (!ACPI_IS_ASCII (Prefix[i]) || 867 !isalpha (Prefix[i])) 868 { 869 return; 870 } 871 } 872 873 /* Mark this node as convertable to an EISA ID string */ 874 875 Op->Common.DisasmOpcode = ACPI_DASM_EISAID; 876 break; 877 878 default: 879 break; 880 } 881 } 882 883 884 /******************************************************************************* 885 * 886 * FUNCTION: AcpiDmCheckForHardwareId 887 * 888 * PARAMETERS: Op - Op to be examined 889 * 890 * RETURN: None 891 * 892 * DESCRIPTION: Determine if a Name() Op is a _HID/_CID. 893 * 894 ******************************************************************************/ 895 896 void 897 AcpiDmCheckForHardwareId ( 898 ACPI_PARSE_OBJECT *Op) 899 { 900 UINT32 Name; 901 ACPI_PARSE_OBJECT *NextOp; 902 903 904 /* Get the NameSegment */ 905 906 Name = AcpiPsGetName (Op); 907 if (!Name) 908 { 909 return; 910 } 911 912 NextOp = AcpiPsGetDepthNext (NULL, Op); 913 if (!NextOp) 914 { 915 return; 916 } 917 918 /* Check for _HID - has one argument */ 919 920 if (ACPI_COMPARE_NAME (&Name, METHOD_NAME__HID)) 921 { 922 AcpiDmGetHardwareIdType (NextOp); 923 return; 924 } 925 926 /* Exit if not _CID */ 927 928 if (!ACPI_COMPARE_NAME (&Name, METHOD_NAME__CID)) 929 { 930 return; 931 } 932 933 /* _CID can contain a single argument or a package */ 934 935 if (NextOp->Common.AmlOpcode != AML_PACKAGE_OP) 936 { 937 AcpiDmGetHardwareIdType (NextOp); 938 return; 939 } 940 941 /* _CID with Package: get the package length, check all elements */ 942 943 NextOp = AcpiPsGetDepthNext (NULL, NextOp); 944 if (!NextOp) 945 { 946 return; 947 } 948 949 /* Don't need to use the length, just walk the peer list */ 950 951 NextOp = NextOp->Common.Next; 952 while (NextOp) 953 { 954 AcpiDmGetHardwareIdType (NextOp); 955 NextOp = NextOp->Common.Next; 956 } 957 } 958 959 960 /******************************************************************************* 961 * 962 * FUNCTION: AcpiDmDecompressEisaId 963 * 964 * PARAMETERS: EncodedId - Raw encoded EISA ID. 965 * 966 * RETURN: None 967 * 968 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String 969 * and emit the correct ASL statement. If the ID is known, emit 970 * a description of the ID as a comment. 971 * 972 ******************************************************************************/ 973 974 void 975 AcpiDmDecompressEisaId ( 976 UINT32 EncodedId) 977 { 978 char IdBuffer[ACPI_EISAID_STRING_SIZE]; 979 const AH_DEVICE_ID *Info; 980 981 982 /* Convert EISAID to a string an emit the statement */ 983 984 AcpiExEisaIdToString (IdBuffer, EncodedId); 985 AcpiOsPrintf ("EisaId (\"%s\")", IdBuffer); 986 987 /* If we know about the ID, emit the description */ 988 989 Info = AcpiAhMatchHardwareId (IdBuffer); 990 if (Info) 991 { 992 AcpiOsPrintf (" /* %s */", Info->Description); 993 } 994 } 995