1 /******************************************************************************* 2 * 3 * Module Name: rsmisc - Miscellaneous resource descriptors 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2012, 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/acpi.h> 45 #include "accommon.h" 46 #include "acresrc.h" 47 48 #define _COMPONENT ACPI_RESOURCES 49 ACPI_MODULE_NAME("rsmisc") 50 #define INIT_RESOURCE_TYPE(i) i->resource_offset 51 #define INIT_RESOURCE_LENGTH(i) i->aml_offset 52 #define INIT_TABLE_LENGTH(i) i->value 53 #define COMPARE_OPCODE(i) i->resource_offset 54 #define COMPARE_TARGET(i) i->aml_offset 55 #define COMPARE_VALUE(i) i->value 56 /******************************************************************************* 57 * 58 * FUNCTION: acpi_rs_convert_aml_to_resource 59 * 60 * PARAMETERS: resource - Pointer to the resource descriptor 61 * aml - Where the AML descriptor is returned 62 * info - Pointer to appropriate conversion table 63 * 64 * RETURN: Status 65 * 66 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding 67 * internal resource descriptor 68 * 69 ******************************************************************************/ 70 acpi_status 71 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, 72 union aml_resource *aml, 73 struct acpi_rsconvert_info *info) 74 { 75 acpi_rs_length aml_resource_length; 76 void *source; 77 void *destination; 78 char *target; 79 u8 count; 80 u8 flags_mode = FALSE; 81 u16 item_count = 0; 82 u16 temp16 = 0; 83 84 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); 85 86 if (!info) { 87 return_ACPI_STATUS(AE_BAD_PARAMETER); 88 } 89 90 if (((acpi_size) resource) & 0x3) { 91 92 /* Each internal resource struct is expected to be 32-bit aligned */ 93 94 ACPI_WARNING((AE_INFO, 95 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", 96 resource, resource->type, resource->length)); 97 } 98 99 /* Extract the resource Length field (does not include header length) */ 100 101 aml_resource_length = acpi_ut_get_resource_length(aml); 102 103 /* 104 * First table entry must be ACPI_RSC_INITxxx and must contain the 105 * table length (# of table entries) 106 */ 107 count = INIT_TABLE_LENGTH(info); 108 while (count) { 109 /* 110 * Source is the external AML byte stream buffer, 111 * destination is the internal resource descriptor 112 */ 113 source = ACPI_ADD_PTR(void, aml, info->aml_offset); 114 destination = 115 ACPI_ADD_PTR(void, resource, info->resource_offset); 116 117 switch (info->opcode) { 118 case ACPI_RSC_INITGET: 119 /* 120 * Get the resource type and the initial (minimum) length 121 */ 122 ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info)); 123 resource->type = INIT_RESOURCE_TYPE(info); 124 resource->length = INIT_RESOURCE_LENGTH(info); 125 break; 126 127 case ACPI_RSC_INITSET: 128 break; 129 130 case ACPI_RSC_FLAGINIT: 131 132 flags_mode = TRUE; 133 break; 134 135 case ACPI_RSC_1BITFLAG: 136 /* 137 * Mask and shift the flag bit 138 */ 139 ACPI_SET8(destination) = (u8) 140 ((ACPI_GET8(source) >> info->value) & 0x01); 141 break; 142 143 case ACPI_RSC_2BITFLAG: 144 /* 145 * Mask and shift the flag bits 146 */ 147 ACPI_SET8(destination) = (u8) 148 ((ACPI_GET8(source) >> info->value) & 0x03); 149 break; 150 151 case ACPI_RSC_3BITFLAG: 152 /* 153 * Mask and shift the flag bits 154 */ 155 ACPI_SET8(destination) = (u8) 156 ((ACPI_GET8(source) >> info->value) & 0x07); 157 break; 158 159 case ACPI_RSC_COUNT: 160 161 item_count = ACPI_GET8(source); 162 ACPI_SET8(destination) = (u8) item_count; 163 164 resource->length = resource->length + 165 (info->value * (item_count - 1)); 166 break; 167 168 case ACPI_RSC_COUNT16: 169 170 item_count = aml_resource_length; 171 ACPI_SET16(destination) = item_count; 172 173 resource->length = resource->length + 174 (info->value * (item_count - 1)); 175 break; 176 177 case ACPI_RSC_COUNT_GPIO_PIN: 178 179 target = ACPI_ADD_PTR(void, aml, info->value); 180 item_count = ACPI_GET16(target) - ACPI_GET16(source); 181 182 resource->length = resource->length + item_count; 183 item_count = item_count / 2; 184 ACPI_SET16(destination) = item_count; 185 break; 186 187 case ACPI_RSC_COUNT_GPIO_VEN: 188 189 item_count = ACPI_GET8(source); 190 ACPI_SET8(destination) = (u8)item_count; 191 192 resource->length = resource->length + 193 (info->value * item_count); 194 break; 195 196 case ACPI_RSC_COUNT_GPIO_RES: 197 198 /* 199 * Vendor data is optional (length/offset may both be zero) 200 * Examine vendor data length field first 201 */ 202 target = ACPI_ADD_PTR(void, aml, (info->value + 2)); 203 if (ACPI_GET16(target)) { 204 205 /* Use vendor offset to get resource source length */ 206 207 target = ACPI_ADD_PTR(void, aml, info->value); 208 item_count = 209 ACPI_GET16(target) - ACPI_GET16(source); 210 } else { 211 /* No vendor data to worry about */ 212 213 item_count = aml->large_header.resource_length + 214 sizeof(struct aml_resource_large_header) - 215 ACPI_GET16(source); 216 } 217 218 resource->length = resource->length + item_count; 219 ACPI_SET16(destination) = item_count; 220 break; 221 222 case ACPI_RSC_COUNT_SERIAL_VEN: 223 224 item_count = ACPI_GET16(source) - info->value; 225 226 resource->length = resource->length + item_count; 227 ACPI_SET16(destination) = item_count; 228 break; 229 230 case ACPI_RSC_COUNT_SERIAL_RES: 231 232 item_count = (aml_resource_length + 233 sizeof(struct aml_resource_large_header)) 234 - ACPI_GET16(source) - info->value; 235 236 resource->length = resource->length + item_count; 237 ACPI_SET16(destination) = item_count; 238 break; 239 240 case ACPI_RSC_LENGTH: 241 242 resource->length = resource->length + info->value; 243 break; 244 245 case ACPI_RSC_MOVE8: 246 case ACPI_RSC_MOVE16: 247 case ACPI_RSC_MOVE32: 248 case ACPI_RSC_MOVE64: 249 /* 250 * Raw data move. Use the Info value field unless item_count has 251 * been previously initialized via a COUNT opcode 252 */ 253 if (info->value) { 254 item_count = info->value; 255 } 256 acpi_rs_move_data(destination, source, item_count, 257 info->opcode); 258 break; 259 260 case ACPI_RSC_MOVE_GPIO_PIN: 261 262 /* Generate and set the PIN data pointer */ 263 264 target = (char *)ACPI_ADD_PTR(void, resource, 265 (resource->length - 266 item_count * 2)); 267 *(u16 **)destination = ACPI_CAST_PTR(u16, target); 268 269 /* Copy the PIN data */ 270 271 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); 272 acpi_rs_move_data(target, source, item_count, 273 info->opcode); 274 break; 275 276 case ACPI_RSC_MOVE_GPIO_RES: 277 278 /* Generate and set the resource_source string pointer */ 279 280 target = (char *)ACPI_ADD_PTR(void, resource, 281 (resource->length - 282 item_count)); 283 *(u8 **)destination = ACPI_CAST_PTR(u8, target); 284 285 /* Copy the resource_source string */ 286 287 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); 288 acpi_rs_move_data(target, source, item_count, 289 info->opcode); 290 break; 291 292 case ACPI_RSC_MOVE_SERIAL_VEN: 293 294 /* Generate and set the Vendor Data pointer */ 295 296 target = (char *)ACPI_ADD_PTR(void, resource, 297 (resource->length - 298 item_count)); 299 *(u8 **)destination = ACPI_CAST_PTR(u8, target); 300 301 /* Copy the Vendor Data */ 302 303 source = ACPI_ADD_PTR(void, aml, info->value); 304 acpi_rs_move_data(target, source, item_count, 305 info->opcode); 306 break; 307 308 case ACPI_RSC_MOVE_SERIAL_RES: 309 310 /* Generate and set the resource_source string pointer */ 311 312 target = (char *)ACPI_ADD_PTR(void, resource, 313 (resource->length - 314 item_count)); 315 *(u8 **)destination = ACPI_CAST_PTR(u8, target); 316 317 /* Copy the resource_source string */ 318 319 source = 320 ACPI_ADD_PTR(void, aml, 321 (ACPI_GET16(source) + info->value)); 322 acpi_rs_move_data(target, source, item_count, 323 info->opcode); 324 break; 325 326 case ACPI_RSC_SET8: 327 328 ACPI_MEMSET(destination, info->aml_offset, info->value); 329 break; 330 331 case ACPI_RSC_DATA8: 332 333 target = ACPI_ADD_PTR(char, resource, info->value); 334 ACPI_MEMCPY(destination, source, ACPI_GET16(target)); 335 break; 336 337 case ACPI_RSC_ADDRESS: 338 /* 339 * Common handler for address descriptor flags 340 */ 341 if (!acpi_rs_get_address_common(resource, aml)) { 342 return_ACPI_STATUS 343 (AE_AML_INVALID_RESOURCE_TYPE); 344 } 345 break; 346 347 case ACPI_RSC_SOURCE: 348 /* 349 * Optional resource_source (Index and String) 350 */ 351 resource->length += 352 acpi_rs_get_resource_source(aml_resource_length, 353 info->value, 354 destination, aml, NULL); 355 break; 356 357 case ACPI_RSC_SOURCEX: 358 /* 359 * Optional resource_source (Index and String). This is the more 360 * complicated case used by the Interrupt() macro 361 */ 362 target = ACPI_ADD_PTR(char, resource, 363 info->aml_offset + 364 (item_count * 4)); 365 366 resource->length += 367 acpi_rs_get_resource_source(aml_resource_length, 368 (acpi_rs_length) 369 (((item_count - 370 1) * sizeof(u32)) + 371 info->value), 372 destination, aml, 373 target); 374 break; 375 376 case ACPI_RSC_BITMASK: 377 /* 378 * 8-bit encoded bitmask (DMA macro) 379 */ 380 item_count = 381 acpi_rs_decode_bitmask(ACPI_GET8(source), 382 destination); 383 if (item_count) { 384 resource->length += (item_count - 1); 385 } 386 387 target = ACPI_ADD_PTR(char, resource, info->value); 388 ACPI_SET8(target) = (u8) item_count; 389 break; 390 391 case ACPI_RSC_BITMASK16: 392 /* 393 * 16-bit encoded bitmask (IRQ macro) 394 */ 395 ACPI_MOVE_16_TO_16(&temp16, source); 396 397 item_count = 398 acpi_rs_decode_bitmask(temp16, destination); 399 if (item_count) { 400 resource->length += (item_count - 1); 401 } 402 403 target = ACPI_ADD_PTR(char, resource, info->value); 404 ACPI_SET8(target) = (u8) item_count; 405 break; 406 407 case ACPI_RSC_EXIT_NE: 408 /* 409 * control - Exit conversion if not equal 410 */ 411 switch (info->resource_offset) { 412 case ACPI_RSC_COMPARE_AML_LENGTH: 413 if (aml_resource_length != info->value) { 414 goto exit; 415 } 416 break; 417 418 case ACPI_RSC_COMPARE_VALUE: 419 if (ACPI_GET8(source) != info->value) { 420 goto exit; 421 } 422 break; 423 424 default: 425 426 ACPI_ERROR((AE_INFO, 427 "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 (!flags_mode) { 444 445 /* Round the resource struct length up to the next boundary (32 or 64) */ 446 447 resource->length = 448 (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); 449 } 450 return_ACPI_STATUS(AE_OK); 451 } 452 453 /******************************************************************************* 454 * 455 * FUNCTION: acpi_rs_convert_resource_to_aml 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 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, 470 union aml_resource *aml, 471 struct acpi_rsconvert_info *info) 472 { 473 void *source = NULL; 474 void *destination; 475 char *target; 476 acpi_rsdesc_size aml_length = 0; 477 u8 count; 478 u16 temp16 = 0; 479 u16 item_count = 0; 480 481 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); 482 483 if (!info) { 484 return_ACPI_STATUS(AE_BAD_PARAMETER); 485 } 486 487 /* 488 * First table entry must be ACPI_RSC_INITxxx and must contain the 489 * table length (# of table entries) 490 */ 491 count = INIT_TABLE_LENGTH(info); 492 493 while (count) { 494 /* 495 * Source is the internal resource descriptor, 496 * destination is the external AML byte stream buffer 497 */ 498 source = ACPI_ADD_PTR(void, resource, info->resource_offset); 499 destination = ACPI_ADD_PTR(void, aml, info->aml_offset); 500 501 switch (info->opcode) { 502 case ACPI_RSC_INITSET: 503 504 ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info)); 505 aml_length = INIT_RESOURCE_LENGTH(info); 506 acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info), 507 aml_length, aml); 508 break; 509 510 case ACPI_RSC_INITGET: 511 break; 512 513 case ACPI_RSC_FLAGINIT: 514 /* 515 * Clear the flag byte 516 */ 517 ACPI_SET8(destination) = 0; 518 break; 519 520 case ACPI_RSC_1BITFLAG: 521 /* 522 * Mask and shift the flag bit 523 */ 524 ACPI_SET8(destination) |= (u8) 525 ((ACPI_GET8(source) & 0x01) << info->value); 526 break; 527 528 case ACPI_RSC_2BITFLAG: 529 /* 530 * Mask and shift the flag bits 531 */ 532 ACPI_SET8(destination) |= (u8) 533 ((ACPI_GET8(source) & 0x03) << info->value); 534 break; 535 536 case ACPI_RSC_3BITFLAG: 537 /* 538 * Mask and shift the flag bits 539 */ 540 ACPI_SET8(destination) |= (u8) 541 ((ACPI_GET8(source) & 0x07) << info->value); 542 break; 543 544 case ACPI_RSC_COUNT: 545 546 item_count = ACPI_GET8(source); 547 ACPI_SET8(destination) = (u8) item_count; 548 549 aml_length = 550 (u16) (aml_length + 551 (info->value * (item_count - 1))); 552 break; 553 554 case ACPI_RSC_COUNT16: 555 556 item_count = ACPI_GET16(source); 557 aml_length = (u16) (aml_length + item_count); 558 acpi_rs_set_resource_length(aml_length, aml); 559 break; 560 561 case ACPI_RSC_COUNT_GPIO_PIN: 562 563 item_count = ACPI_GET16(source); 564 ACPI_SET16(destination) = (u16)aml_length; 565 566 aml_length = (u16)(aml_length + item_count * 2); 567 target = ACPI_ADD_PTR(void, aml, info->value); 568 ACPI_SET16(target) = (u16)aml_length; 569 acpi_rs_set_resource_length(aml_length, aml); 570 break; 571 572 case ACPI_RSC_COUNT_GPIO_VEN: 573 574 item_count = ACPI_GET16(source); 575 ACPI_SET16(destination) = (u16)item_count; 576 577 aml_length = 578 (u16)(aml_length + (info->value * item_count)); 579 acpi_rs_set_resource_length(aml_length, aml); 580 break; 581 582 case ACPI_RSC_COUNT_GPIO_RES: 583 584 /* Set resource source string length */ 585 586 item_count = ACPI_GET16(source); 587 ACPI_SET16(destination) = (u16)aml_length; 588 589 /* Compute offset for the Vendor Data */ 590 591 aml_length = (u16)(aml_length + item_count); 592 target = ACPI_ADD_PTR(void, aml, info->value); 593 594 /* Set vendor offset only if there is vendor data */ 595 596 if (resource->data.gpio.vendor_length) { 597 ACPI_SET16(target) = (u16)aml_length; 598 } 599 600 acpi_rs_set_resource_length(aml_length, aml); 601 break; 602 603 case ACPI_RSC_COUNT_SERIAL_VEN: 604 605 item_count = ACPI_GET16(source); 606 ACPI_SET16(destination) = item_count + info->value; 607 aml_length = (u16)(aml_length + item_count); 608 acpi_rs_set_resource_length(aml_length, aml); 609 break; 610 611 case ACPI_RSC_COUNT_SERIAL_RES: 612 613 item_count = ACPI_GET16(source); 614 aml_length = (u16)(aml_length + item_count); 615 acpi_rs_set_resource_length(aml_length, aml); 616 break; 617 618 case ACPI_RSC_LENGTH: 619 620 acpi_rs_set_resource_length(info->value, aml); 621 break; 622 623 case ACPI_RSC_MOVE8: 624 case ACPI_RSC_MOVE16: 625 case ACPI_RSC_MOVE32: 626 case ACPI_RSC_MOVE64: 627 628 if (info->value) { 629 item_count = info->value; 630 } 631 acpi_rs_move_data(destination, source, item_count, 632 info->opcode); 633 break; 634 635 case ACPI_RSC_MOVE_GPIO_PIN: 636 637 destination = (char *)ACPI_ADD_PTR(void, aml, 638 ACPI_GET16 639 (destination)); 640 source = *(u16 **)source; 641 acpi_rs_move_data(destination, source, item_count, 642 info->opcode); 643 break; 644 645 case ACPI_RSC_MOVE_GPIO_RES: 646 647 /* Used for both resource_source string and vendor_data */ 648 649 destination = (char *)ACPI_ADD_PTR(void, aml, 650 ACPI_GET16 651 (destination)); 652 source = *(u8 **)source; 653 acpi_rs_move_data(destination, source, item_count, 654 info->opcode); 655 break; 656 657 case ACPI_RSC_MOVE_SERIAL_VEN: 658 659 destination = (char *)ACPI_ADD_PTR(void, aml, 660 (aml_length - 661 item_count)); 662 source = *(u8 **)source; 663 acpi_rs_move_data(destination, source, item_count, 664 info->opcode); 665 break; 666 667 case ACPI_RSC_MOVE_SERIAL_RES: 668 669 destination = (char *)ACPI_ADD_PTR(void, aml, 670 (aml_length - 671 item_count)); 672 source = *(u8 **)source; 673 acpi_rs_move_data(destination, source, item_count, 674 info->opcode); 675 break; 676 677 case ACPI_RSC_ADDRESS: 678 679 /* Set the Resource Type, General Flags, and Type-Specific Flags */ 680 681 acpi_rs_set_address_common(aml, resource); 682 break; 683 684 case ACPI_RSC_SOURCEX: 685 /* 686 * Optional resource_source (Index and String) 687 */ 688 aml_length = 689 acpi_rs_set_resource_source(aml, (acpi_rs_length) 690 aml_length, source); 691 acpi_rs_set_resource_length(aml_length, aml); 692 break; 693 694 case ACPI_RSC_SOURCE: 695 /* 696 * Optional resource_source (Index and String). This is the more 697 * complicated case used by the Interrupt() macro 698 */ 699 aml_length = 700 acpi_rs_set_resource_source(aml, info->value, 701 source); 702 acpi_rs_set_resource_length(aml_length, aml); 703 break; 704 705 case ACPI_RSC_BITMASK: 706 /* 707 * 8-bit encoded bitmask (DMA macro) 708 */ 709 ACPI_SET8(destination) = (u8) 710 acpi_rs_encode_bitmask(source, 711 *ACPI_ADD_PTR(u8, resource, 712 info->value)); 713 break; 714 715 case ACPI_RSC_BITMASK16: 716 /* 717 * 16-bit encoded bitmask (IRQ macro) 718 */ 719 temp16 = acpi_rs_encode_bitmask(source, 720 *ACPI_ADD_PTR(u8, 721 resource, 722 info-> 723 value)); 724 ACPI_MOVE_16_TO_16(destination, &temp16); 725 break; 726 727 case ACPI_RSC_EXIT_LE: 728 /* 729 * control - Exit conversion if less than or equal 730 */ 731 if (item_count <= info->value) { 732 goto exit; 733 } 734 break; 735 736 case ACPI_RSC_EXIT_NE: 737 /* 738 * control - Exit conversion if not equal 739 */ 740 switch (COMPARE_OPCODE(info)) { 741 case ACPI_RSC_COMPARE_VALUE: 742 743 if (*ACPI_ADD_PTR(u8, resource, 744 COMPARE_TARGET(info)) != 745 COMPARE_VALUE(info)) { 746 goto exit; 747 } 748 break; 749 750 default: 751 752 ACPI_ERROR((AE_INFO, 753 "Invalid conversion sub-opcode")); 754 return_ACPI_STATUS(AE_BAD_PARAMETER); 755 } 756 break; 757 758 case ACPI_RSC_EXIT_EQ: 759 /* 760 * control - Exit conversion if equal 761 */ 762 if (*ACPI_ADD_PTR(u8, resource, 763 COMPARE_TARGET(info)) == 764 COMPARE_VALUE(info)) { 765 goto exit; 766 } 767 break; 768 769 default: 770 771 ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); 772 return_ACPI_STATUS(AE_BAD_PARAMETER); 773 } 774 775 count--; 776 info++; 777 } 778 779 exit: 780 return_ACPI_STATUS(AE_OK); 781 } 782 783 #if 0 784 /* Previous resource validations */ 785 786 if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { 787 return_ACPI_STATUS(AE_SUPPORT); 788 } 789 790 if (resource->data.start_dpf.performance_robustness >= 3) { 791 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); 792 } 793 794 if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { 795 /* 796 * Only [active_high, edge_sensitive] or [active_low, level_sensitive] 797 * polarity/trigger interrupts are allowed (ACPI spec, section 798 * "IRQ Format"), so 0x00 and 0x09 are illegal. 799 */ 800 ACPI_ERROR((AE_INFO, 801 "Invalid interrupt polarity/trigger in resource list, 0x%X", 802 aml->irq.flags)); 803 return_ACPI_STATUS(AE_BAD_DATA); 804 } 805 806 resource->data.extended_irq.interrupt_count = temp8; 807 if (temp8 < 1) { 808 809 /* Must have at least one IRQ */ 810 811 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); 812 } 813 814 if (resource->data.dma.transfer == 0x03) { 815 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); 816 return_ACPI_STATUS(AE_BAD_DATA); 817 } 818 #endif 819