rsmisc.c revision 1.1.1.3
1 /******************************************************************************* 2 * 3 * Module Name: rsmisc - Miscellaneous resource descriptors 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2013, 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 #define __RSMISC_C__ 45 46 #include "acpi.h" 47 #include "accommon.h" 48 #include "acresrc.h" 49 50 #define _COMPONENT ACPI_RESOURCES 51 ACPI_MODULE_NAME ("rsmisc") 52 53 54 #define INIT_RESOURCE_TYPE(i) i->ResourceOffset 55 #define INIT_RESOURCE_LENGTH(i) i->AmlOffset 56 #define INIT_TABLE_LENGTH(i) i->Value 57 58 #define COMPARE_OPCODE(i) i->ResourceOffset 59 #define COMPARE_TARGET(i) i->AmlOffset 60 #define COMPARE_VALUE(i) i->Value 61 62 63 /******************************************************************************* 64 * 65 * FUNCTION: AcpiRsConvertAmlToResource 66 * 67 * PARAMETERS: Resource - Pointer to the resource descriptor 68 * Aml - Where the AML descriptor is returned 69 * Info - Pointer to appropriate conversion table 70 * 71 * RETURN: Status 72 * 73 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding 74 * internal resource descriptor 75 * 76 ******************************************************************************/ 77 78 ACPI_STATUS 79 AcpiRsConvertAmlToResource ( 80 ACPI_RESOURCE *Resource, 81 AML_RESOURCE *Aml, 82 ACPI_RSCONVERT_INFO *Info) 83 { 84 ACPI_RS_LENGTH AmlResourceLength; 85 void *Source; 86 void *Destination; 87 char *Target; 88 UINT8 Count; 89 UINT8 FlagsMode = FALSE; 90 UINT16 ItemCount = 0; 91 UINT16 Temp16 = 0; 92 93 94 ACPI_FUNCTION_TRACE (RsConvertAmlToResource); 95 96 97 if (!Info) 98 { 99 return_ACPI_STATUS (AE_BAD_PARAMETER); 100 } 101 102 if (((ACPI_SIZE) Resource) & 0x3) 103 { 104 /* Each internal resource struct is expected to be 32-bit aligned */ 105 106 ACPI_WARNING ((AE_INFO, 107 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", 108 Resource, Resource->Type, Resource->Length)); 109 } 110 111 /* Extract the resource Length field (does not include header length) */ 112 113 AmlResourceLength = AcpiUtGetResourceLength (Aml); 114 115 /* 116 * First table entry must be ACPI_RSC_INITxxx and must contain the 117 * table length (# of table entries) 118 */ 119 Count = INIT_TABLE_LENGTH (Info); 120 while (Count) 121 { 122 /* 123 * Source is the external AML byte stream buffer, 124 * destination is the internal resource descriptor 125 */ 126 Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 127 Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 128 129 switch (Info->Opcode) 130 { 131 case ACPI_RSC_INITGET: 132 /* 133 * Get the resource type and the initial (minimum) length 134 */ 135 ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info)); 136 Resource->Type = INIT_RESOURCE_TYPE (Info); 137 Resource->Length = INIT_RESOURCE_LENGTH (Info); 138 break; 139 140 case ACPI_RSC_INITSET: 141 break; 142 143 case ACPI_RSC_FLAGINIT: 144 145 FlagsMode = TRUE; 146 break; 147 148 case ACPI_RSC_1BITFLAG: 149 /* 150 * Mask and shift the flag bit 151 */ 152 ACPI_SET8 (Destination, 153 ((ACPI_GET8 (Source) >> Info->Value) & 0x01)); 154 break; 155 156 case ACPI_RSC_2BITFLAG: 157 /* 158 * Mask and shift the flag bits 159 */ 160 ACPI_SET8 (Destination, 161 ((ACPI_GET8 (Source) >> Info->Value) & 0x03)); 162 break; 163 164 case ACPI_RSC_3BITFLAG: 165 /* 166 * Mask and shift the flag bits 167 */ 168 ACPI_SET8 (Destination, 169 ((ACPI_GET8 (Source) >> Info->Value) & 0x07)); 170 break; 171 172 case ACPI_RSC_COUNT: 173 174 ItemCount = ACPI_GET8 (Source); 175 ACPI_SET8 (Destination, ItemCount); 176 177 Resource->Length = Resource->Length + 178 (Info->Value * (ItemCount - 1)); 179 break; 180 181 case ACPI_RSC_COUNT16: 182 183 ItemCount = AmlResourceLength; 184 ACPI_SET16 (Destination, ItemCount); 185 186 Resource->Length = Resource->Length + 187 (Info->Value * (ItemCount - 1)); 188 break; 189 190 case ACPI_RSC_COUNT_GPIO_PIN: 191 192 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 193 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source); 194 195 Resource->Length = Resource->Length + ItemCount; 196 ItemCount = ItemCount / 2; 197 ACPI_SET16 (Destination, ItemCount); 198 break; 199 200 case ACPI_RSC_COUNT_GPIO_VEN: 201 202 ItemCount = ACPI_GET8 (Source); 203 ACPI_SET8 (Destination, ItemCount); 204 205 Resource->Length = Resource->Length + 206 (Info->Value * ItemCount); 207 break; 208 209 case ACPI_RSC_COUNT_GPIO_RES: 210 /* 211 * Vendor data is optional (length/offset may both be zero) 212 * Examine vendor data length field first 213 */ 214 Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2)); 215 if (ACPI_GET16 (Target)) 216 { 217 /* Use vendor offset to get resource source length */ 218 219 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 220 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source); 221 } 222 else 223 { 224 /* No vendor data to worry about */ 225 226 ItemCount = Aml->LargeHeader.ResourceLength + 227 sizeof (AML_RESOURCE_LARGE_HEADER) - 228 ACPI_GET16 (Source); 229 } 230 231 Resource->Length = Resource->Length + ItemCount; 232 ACPI_SET16 (Destination, ItemCount); 233 break; 234 235 case ACPI_RSC_COUNT_SERIAL_VEN: 236 237 ItemCount = ACPI_GET16 (Source) - Info->Value; 238 239 Resource->Length = Resource->Length + ItemCount; 240 ACPI_SET16 (Destination, ItemCount); 241 break; 242 243 case ACPI_RSC_COUNT_SERIAL_RES: 244 245 ItemCount = (AmlResourceLength + 246 sizeof (AML_RESOURCE_LARGE_HEADER)) - 247 ACPI_GET16 (Source) - Info->Value; 248 249 Resource->Length = Resource->Length + ItemCount; 250 ACPI_SET16 (Destination, ItemCount); 251 break; 252 253 case ACPI_RSC_LENGTH: 254 255 Resource->Length = Resource->Length + Info->Value; 256 break; 257 258 case ACPI_RSC_MOVE8: 259 case ACPI_RSC_MOVE16: 260 case ACPI_RSC_MOVE32: 261 case ACPI_RSC_MOVE64: 262 /* 263 * Raw data move. Use the Info value field unless ItemCount has 264 * been previously initialized via a COUNT opcode 265 */ 266 if (Info->Value) 267 { 268 ItemCount = Info->Value; 269 } 270 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 271 break; 272 273 case ACPI_RSC_MOVE_GPIO_PIN: 274 275 /* Generate and set the PIN data pointer */ 276 277 Target = (char *) ACPI_ADD_PTR (void, Resource, 278 (Resource->Length - ItemCount * 2)); 279 *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target); 280 281 /* Copy the PIN data */ 282 283 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source)); 284 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 285 break; 286 287 case ACPI_RSC_MOVE_GPIO_RES: 288 289 /* Generate and set the ResourceSource string pointer */ 290 291 Target = (char *) ACPI_ADD_PTR (void, Resource, 292 (Resource->Length - ItemCount)); 293 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 294 295 /* Copy the ResourceSource string */ 296 297 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source)); 298 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 299 break; 300 301 case ACPI_RSC_MOVE_SERIAL_VEN: 302 303 /* Generate and set the Vendor Data pointer */ 304 305 Target = (char *) ACPI_ADD_PTR (void, Resource, 306 (Resource->Length - ItemCount)); 307 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 308 309 /* Copy the Vendor Data */ 310 311 Source = ACPI_ADD_PTR (void, Aml, Info->Value); 312 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 313 break; 314 315 case ACPI_RSC_MOVE_SERIAL_RES: 316 317 /* Generate and set the ResourceSource string pointer */ 318 319 Target = (char *) ACPI_ADD_PTR (void, Resource, 320 (Resource->Length - ItemCount)); 321 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 322 323 /* Copy the ResourceSource string */ 324 325 Source = ACPI_ADD_PTR (void, Aml, (ACPI_GET16 (Source) + Info->Value)); 326 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 327 break; 328 329 case ACPI_RSC_SET8: 330 331 ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value); 332 break; 333 334 case ACPI_RSC_DATA8: 335 336 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 337 ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target)); 338 break; 339 340 case ACPI_RSC_ADDRESS: 341 /* 342 * Common handler for address descriptor flags 343 */ 344 if (!AcpiRsGetAddressCommon (Resource, Aml)) 345 { 346 return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); 347 } 348 break; 349 350 case ACPI_RSC_SOURCE: 351 /* 352 * Optional ResourceSource (Index and String) 353 */ 354 Resource->Length += 355 AcpiRsGetResourceSource (AmlResourceLength, Info->Value, 356 Destination, Aml, NULL); 357 break; 358 359 case ACPI_RSC_SOURCEX: 360 /* 361 * Optional ResourceSource (Index and String). This is the more 362 * complicated case used by the Interrupt() macro 363 */ 364 Target = ACPI_ADD_PTR (char, Resource, 365 Info->AmlOffset + (ItemCount * 4)); 366 367 Resource->Length += 368 AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH) 369 (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), 370 Destination, Aml, Target); 371 break; 372 373 case ACPI_RSC_BITMASK: 374 /* 375 * 8-bit encoded bitmask (DMA macro) 376 */ 377 ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); 378 if (ItemCount) 379 { 380 Resource->Length += (ItemCount - 1); 381 } 382 383 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 384 ACPI_SET8 (Target, ItemCount); 385 break; 386 387 case ACPI_RSC_BITMASK16: 388 /* 389 * 16-bit encoded bitmask (IRQ macro) 390 */ 391 ACPI_MOVE_16_TO_16 (&Temp16, Source); 392 393 ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); 394 if (ItemCount) 395 { 396 Resource->Length += (ItemCount - 1); 397 } 398 399 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 400 ACPI_SET8 (Target, ItemCount); 401 break; 402 403 case ACPI_RSC_EXIT_NE: 404 /* 405 * Control - Exit conversion if not equal 406 */ 407 switch (Info->ResourceOffset) 408 { 409 case ACPI_RSC_COMPARE_AML_LENGTH: 410 411 if (AmlResourceLength != Info->Value) 412 { 413 goto Exit; 414 } 415 break; 416 417 case ACPI_RSC_COMPARE_VALUE: 418 419 if (ACPI_GET8 (Source) != Info->Value) 420 { 421 goto Exit; 422 } 423 break; 424 425 default: 426 427 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 428 return_ACPI_STATUS (AE_BAD_PARAMETER); 429 } 430 break; 431 432 default: 433 434 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 435 return_ACPI_STATUS (AE_BAD_PARAMETER); 436 } 437 438 Count--; 439 Info++; 440 } 441 442 Exit: 443 if (!FlagsMode) 444 { 445 /* Round the resource struct length up to the next boundary (32 or 64) */ 446 447 Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); 448 } 449 return_ACPI_STATUS (AE_OK); 450 } 451 452 453 /******************************************************************************* 454 * 455 * FUNCTION: AcpiRsConvertResourceToAml 456 * 457 * PARAMETERS: Resource - Pointer to the resource descriptor 458 * Aml - Where the AML descriptor is returned 459 * Info - Pointer to appropriate conversion table 460 * 461 * RETURN: Status 462 * 463 * DESCRIPTION: Convert an internal resource descriptor to the corresponding 464 * external AML resource descriptor. 465 * 466 ******************************************************************************/ 467 468 ACPI_STATUS 469 AcpiRsConvertResourceToAml ( 470 ACPI_RESOURCE *Resource, 471 AML_RESOURCE *Aml, 472 ACPI_RSCONVERT_INFO *Info) 473 { 474 void *Source = NULL; 475 void *Destination; 476 char *Target; 477 ACPI_RSDESC_SIZE AmlLength = 0; 478 UINT8 Count; 479 UINT16 Temp16 = 0; 480 UINT16 ItemCount = 0; 481 482 483 ACPI_FUNCTION_TRACE (RsConvertResourceToAml); 484 485 486 if (!Info) 487 { 488 return_ACPI_STATUS (AE_BAD_PARAMETER); 489 } 490 491 /* 492 * First table entry must be ACPI_RSC_INITxxx and must contain the 493 * table length (# of table entries) 494 */ 495 Count = INIT_TABLE_LENGTH (Info); 496 497 while (Count) 498 { 499 /* 500 * Source is the internal resource descriptor, 501 * destination is the external AML byte stream buffer 502 */ 503 Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 504 Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 505 506 switch (Info->Opcode) 507 { 508 case ACPI_RSC_INITSET: 509 510 ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info)); 511 AmlLength = INIT_RESOURCE_LENGTH (Info); 512 AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml); 513 break; 514 515 case ACPI_RSC_INITGET: 516 break; 517 518 case ACPI_RSC_FLAGINIT: 519 /* 520 * Clear the flag byte 521 */ 522 ACPI_SET8 (Destination, 0); 523 break; 524 525 case ACPI_RSC_1BITFLAG: 526 /* 527 * Mask and shift the flag bit 528 */ 529 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 530 ((ACPI_GET8 (Source) & 0x01) << Info->Value)); 531 break; 532 533 case ACPI_RSC_2BITFLAG: 534 /* 535 * Mask and shift the flag bits 536 */ 537 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 538 ((ACPI_GET8 (Source) & 0x03) << Info->Value)); 539 break; 540 541 case ACPI_RSC_3BITFLAG: 542 /* 543 * Mask and shift the flag bits 544 */ 545 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 546 ((ACPI_GET8 (Source) & 0x07) << Info->Value)); 547 break; 548 549 case ACPI_RSC_COUNT: 550 551 ItemCount = ACPI_GET8 (Source); 552 ACPI_SET8 (Destination, ItemCount); 553 554 AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1))); 555 break; 556 557 case ACPI_RSC_COUNT16: 558 559 ItemCount = ACPI_GET16 (Source); 560 AmlLength = (UINT16) (AmlLength + ItemCount); 561 AcpiRsSetResourceLength (AmlLength, Aml); 562 break; 563 564 case ACPI_RSC_COUNT_GPIO_PIN: 565 566 ItemCount = ACPI_GET16 (Source); 567 ACPI_SET16 (Destination, AmlLength); 568 569 AmlLength = (UINT16) (AmlLength + ItemCount * 2); 570 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 571 ACPI_SET16 (Target, AmlLength); 572 AcpiRsSetResourceLength (AmlLength, Aml); 573 break; 574 575 case ACPI_RSC_COUNT_GPIO_VEN: 576 577 ItemCount = ACPI_GET16 (Source); 578 ACPI_SET16 (Destination, ItemCount); 579 580 AmlLength = (UINT16) (AmlLength + (Info->Value * ItemCount)); 581 AcpiRsSetResourceLength (AmlLength, Aml); 582 break; 583 584 case ACPI_RSC_COUNT_GPIO_RES: 585 586 /* Set resource source string length */ 587 588 ItemCount = ACPI_GET16 (Source); 589 ACPI_SET16 (Destination, AmlLength); 590 591 /* Compute offset for the Vendor Data */ 592 593 AmlLength = (UINT16) (AmlLength + ItemCount); 594 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 595 596 /* Set vendor offset only if there is vendor data */ 597 598 if (Resource->Data.Gpio.VendorLength) 599 { 600 ACPI_SET16 (Target, AmlLength); 601 } 602 603 AcpiRsSetResourceLength (AmlLength, Aml); 604 break; 605 606 case ACPI_RSC_COUNT_SERIAL_VEN: 607 608 ItemCount = ACPI_GET16 (Source); 609 ACPI_SET16 (Destination, ItemCount + Info->Value); 610 AmlLength = (UINT16) (AmlLength + ItemCount); 611 AcpiRsSetResourceLength (AmlLength, Aml); 612 break; 613 614 case ACPI_RSC_COUNT_SERIAL_RES: 615 616 ItemCount = ACPI_GET16 (Source); 617 AmlLength = (UINT16) (AmlLength + ItemCount); 618 AcpiRsSetResourceLength (AmlLength, Aml); 619 break; 620 621 case ACPI_RSC_LENGTH: 622 623 AcpiRsSetResourceLength (Info->Value, Aml); 624 break; 625 626 case ACPI_RSC_MOVE8: 627 case ACPI_RSC_MOVE16: 628 case ACPI_RSC_MOVE32: 629 case ACPI_RSC_MOVE64: 630 631 if (Info->Value) 632 { 633 ItemCount = Info->Value; 634 } 635 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 636 break; 637 638 case ACPI_RSC_MOVE_GPIO_PIN: 639 640 Destination = (char *) ACPI_ADD_PTR (void, Aml, 641 ACPI_GET16 (Destination)); 642 Source = * (UINT16 **) Source; 643 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 644 break; 645 646 case ACPI_RSC_MOVE_GPIO_RES: 647 648 /* Used for both ResourceSource string and VendorData */ 649 650 Destination = (char *) ACPI_ADD_PTR (void, Aml, 651 ACPI_GET16 (Destination)); 652 Source = * (UINT8 **) Source; 653 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 654 break; 655 656 case ACPI_RSC_MOVE_SERIAL_VEN: 657 658 Destination = (char *) ACPI_ADD_PTR (void, Aml, 659 (AmlLength - ItemCount)); 660 Source = * (UINT8 **) Source; 661 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 662 break; 663 664 case ACPI_RSC_MOVE_SERIAL_RES: 665 666 Destination = (char *) ACPI_ADD_PTR (void, Aml, 667 (AmlLength - ItemCount)); 668 Source = * (UINT8 **) Source; 669 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 670 break; 671 672 case ACPI_RSC_ADDRESS: 673 674 /* Set the Resource Type, General Flags, and Type-Specific Flags */ 675 676 AcpiRsSetAddressCommon (Aml, Resource); 677 break; 678 679 case ACPI_RSC_SOURCEX: 680 /* 681 * Optional ResourceSource (Index and String) 682 */ 683 AmlLength = AcpiRsSetResourceSource ( 684 Aml, (ACPI_RS_LENGTH) AmlLength, Source); 685 AcpiRsSetResourceLength (AmlLength, Aml); 686 break; 687 688 case ACPI_RSC_SOURCE: 689 /* 690 * Optional ResourceSource (Index and String). This is the more 691 * complicated case used by the Interrupt() macro 692 */ 693 AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); 694 AcpiRsSetResourceLength (AmlLength, Aml); 695 break; 696 697 case ACPI_RSC_BITMASK: 698 /* 699 * 8-bit encoded bitmask (DMA macro) 700 */ 701 ACPI_SET8 (Destination, 702 AcpiRsEncodeBitmask (Source, 703 *ACPI_ADD_PTR (UINT8, Resource, Info->Value))); 704 break; 705 706 case ACPI_RSC_BITMASK16: 707 /* 708 * 16-bit encoded bitmask (IRQ macro) 709 */ 710 Temp16 = AcpiRsEncodeBitmask (Source, 711 *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); 712 ACPI_MOVE_16_TO_16 (Destination, &Temp16); 713 break; 714 715 case ACPI_RSC_EXIT_LE: 716 /* 717 * Control - Exit conversion if less than or equal 718 */ 719 if (ItemCount <= Info->Value) 720 { 721 goto Exit; 722 } 723 break; 724 725 case ACPI_RSC_EXIT_NE: 726 /* 727 * Control - Exit conversion if not equal 728 */ 729 switch (COMPARE_OPCODE (Info)) 730 { 731 case ACPI_RSC_COMPARE_VALUE: 732 733 if (*ACPI_ADD_PTR (UINT8, Resource, 734 COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) 735 { 736 goto Exit; 737 } 738 break; 739 740 default: 741 742 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 743 return_ACPI_STATUS (AE_BAD_PARAMETER); 744 } 745 break; 746 747 case ACPI_RSC_EXIT_EQ: 748 /* 749 * Control - Exit conversion if equal 750 */ 751 if (*ACPI_ADD_PTR (UINT8, Resource, 752 COMPARE_TARGET (Info)) == COMPARE_VALUE (Info)) 753 { 754 goto Exit; 755 } 756 break; 757 758 default: 759 760 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 761 return_ACPI_STATUS (AE_BAD_PARAMETER); 762 } 763 764 Count--; 765 Info++; 766 } 767 768 Exit: 769 return_ACPI_STATUS (AE_OK); 770 } 771 772 773 #if 0 774 /* Previous resource validations */ 775 776 if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) 777 { 778 return_ACPI_STATUS (AE_SUPPORT); 779 } 780 781 if (Resource->Data.StartDpf.PerformanceRobustness >= 3) 782 { 783 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); 784 } 785 786 if (((Aml->Irq.Flags & 0x09) == 0x00) || 787 ((Aml->Irq.Flags & 0x09) == 0x09)) 788 { 789 /* 790 * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] 791 * polarity/trigger interrupts are allowed (ACPI spec, section 792 * "IRQ Format"), so 0x00 and 0x09 are illegal. 793 */ 794 ACPI_ERROR ((AE_INFO, 795 "Invalid interrupt polarity/trigger in resource list, 0x%X", 796 Aml->Irq.Flags)); 797 return_ACPI_STATUS (AE_BAD_DATA); 798 } 799 800 Resource->Data.ExtendedIrq.InterruptCount = Temp8; 801 if (Temp8 < 1) 802 { 803 /* Must have at least one IRQ */ 804 805 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); 806 } 807 808 if (Resource->Data.Dma.Transfer == 0x03) 809 { 810 ACPI_ERROR ((AE_INFO, 811 "Invalid DMA.Transfer preference (3)")); 812 return_ACPI_STATUS (AE_BAD_DATA); 813 } 814 #endif 815
Indexes created Sat Oct 11 19:10:01 GMT 2025