1 /******************************************************************************* 2 * 3 * Module Name: rsmisc - Miscellaneous resource descriptors 4 * 5 ******************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "acpi.h" 153 #include "accommon.h" 154 #include "acresrc.h" 155 156 #define _COMPONENT ACPI_RESOURCES 157 ACPI_MODULE_NAME ("rsmisc") 158 159 160 #define INIT_RESOURCE_TYPE(i) i->ResourceOffset 161 #define INIT_RESOURCE_LENGTH(i) i->AmlOffset 162 #define INIT_TABLE_LENGTH(i) i->Value 163 164 #define COMPARE_OPCODE(i) i->ResourceOffset 165 #define COMPARE_TARGET(i) i->AmlOffset 166 #define COMPARE_VALUE(i) i->Value 167 168 169 /******************************************************************************* 170 * 171 * FUNCTION: AcpiRsConvertAmlToResource 172 * 173 * PARAMETERS: Resource - Pointer to the resource descriptor 174 * Aml - Where the AML descriptor is returned 175 * Info - Pointer to appropriate conversion table 176 * 177 * RETURN: Status 178 * 179 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding 180 * internal resource descriptor 181 * 182 ******************************************************************************/ 183 184 ACPI_STATUS 185 AcpiRsConvertAmlToResource ( 186 ACPI_RESOURCE *Resource, 187 AML_RESOURCE *Aml, 188 ACPI_RSCONVERT_INFO *Info) 189 { 190 ACPI_RS_LENGTH AmlResourceLength; 191 void *Source; 192 void *Destination; 193 char *Target; 194 UINT8 Count; 195 UINT8 FlagsMode = FALSE; 196 UINT16 ItemCount = 0; 197 UINT16 Temp16 = 0; 198 199 200 ACPI_FUNCTION_TRACE (RsConvertAmlToResource); 201 202 203 if (!Info) 204 { 205 return_ACPI_STATUS (AE_BAD_PARAMETER); 206 } 207 208 if (((ACPI_SIZE) Resource) & 0x3) 209 { 210 /* Each internal resource struct is expected to be 32-bit aligned */ 211 212 ACPI_WARNING ((AE_INFO, 213 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", 214 Resource, Resource->Type, Resource->Length)); 215 } 216 217 /* Extract the resource Length field (does not include header length) */ 218 219 AmlResourceLength = AcpiUtGetResourceLength (Aml); 220 221 /* 222 * First table entry must be ACPI_RSC_INITxxx and must contain the 223 * table length (# of table entries) 224 */ 225 Count = INIT_TABLE_LENGTH (Info); 226 while (Count) 227 { 228 Target = NULL; 229 230 /* 231 * Source is the external AML byte stream buffer, 232 * destination is the internal resource descriptor 233 */ 234 Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 235 Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 236 237 switch (Info->Opcode) 238 { 239 case ACPI_RSC_INITGET: 240 /* 241 * Get the resource type and the initial (minimum) length 242 */ 243 memset (Resource, 0, INIT_RESOURCE_LENGTH (Info)); 244 Resource->Type = INIT_RESOURCE_TYPE (Info); 245 Resource->Length = INIT_RESOURCE_LENGTH (Info); 246 break; 247 248 case ACPI_RSC_INITSET: 249 break; 250 251 case ACPI_RSC_FLAGINIT: 252 253 FlagsMode = TRUE; 254 break; 255 256 case ACPI_RSC_1BITFLAG: 257 /* 258 * Mask and shift the flag bit 259 */ 260 ACPI_SET8 (Destination, 261 ((ACPI_GET8 (Source) >> Info->Value) & 0x01)); 262 break; 263 264 case ACPI_RSC_2BITFLAG: 265 /* 266 * Mask and shift the flag bits 267 */ 268 ACPI_SET8 (Destination, 269 ((ACPI_GET8 (Source) >> Info->Value) & 0x03)); 270 break; 271 272 case ACPI_RSC_3BITFLAG: 273 /* 274 * Mask and shift the flag bits 275 */ 276 ACPI_SET8 (Destination, 277 ((ACPI_GET8 (Source) >> Info->Value) & 0x07)); 278 break; 279 280 case ACPI_RSC_6BITFLAG: 281 /* 282 * Mask and shift the flag bits 283 */ 284 ACPI_SET8 (Destination, 285 ((ACPI_GET8 (Source) >> Info->Value) & 0x3F)); 286 break; 287 288 case ACPI_RSC_COUNT: 289 290 ItemCount = ACPI_GET8 (Source); 291 ACPI_SET8 (Destination, ItemCount); 292 293 Resource->Length = Resource->Length + 294 (Info->Value * (ItemCount - 1)); 295 break; 296 297 case ACPI_RSC_COUNT16: 298 299 ItemCount = AmlResourceLength; 300 ACPI_SET16 (Destination, ItemCount); 301 302 Resource->Length = Resource->Length + 303 (Info->Value * (ItemCount - 1)); 304 break; 305 306 case ACPI_RSC_COUNT_GPIO_PIN: 307 308 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 309 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source); 310 311 Resource->Length = Resource->Length + ItemCount; 312 ItemCount = ItemCount / 2; 313 ACPI_SET16 (Destination, ItemCount); 314 break; 315 316 case ACPI_RSC_COUNT_GPIO_VEN: 317 318 ItemCount = ACPI_GET8 (Source); 319 ACPI_SET8 (Destination, ItemCount); 320 321 Resource->Length = Resource->Length + (Info->Value * ItemCount); 322 break; 323 324 case ACPI_RSC_COUNT_GPIO_RES: 325 /* 326 * Vendor data is optional (length/offset may both be zero) 327 * Examine vendor data length field first 328 */ 329 Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2)); 330 if (ACPI_GET16 (Target)) 331 { 332 /* Use vendor offset to get resource source length */ 333 334 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 335 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source); 336 } 337 else 338 { 339 /* No vendor data to worry about */ 340 341 ItemCount = Aml->LargeHeader.ResourceLength + 342 sizeof (AML_RESOURCE_LARGE_HEADER) - 343 ACPI_GET16 (Source); 344 } 345 346 Resource->Length = Resource->Length + ItemCount; 347 ACPI_SET16 (Destination, ItemCount); 348 break; 349 350 case ACPI_RSC_COUNT_SERIAL_VEN: 351 352 ACPI_MOVE_16_TO_16(&Temp16, Source); 353 ItemCount = Temp16 - Info->Value; 354 355 Resource->Length = Resource->Length + ItemCount; 356 ACPI_SET16 (Destination, ItemCount); 357 break; 358 359 case ACPI_RSC_COUNT_SERIAL_RES: 360 361 ACPI_MOVE_16_TO_16(&Temp16, Source); 362 ItemCount = (AmlResourceLength + 363 sizeof (AML_RESOURCE_LARGE_HEADER)) - 364 Temp16 - Info->Value; 365 366 Resource->Length = Resource->Length + ItemCount; 367 ACPI_SET16 (Destination, ItemCount); 368 break; 369 370 case ACPI_RSC_LENGTH: 371 372 Resource->Length = Resource->Length + Info->Value; 373 break; 374 375 case ACPI_RSC_MOVE8: 376 case ACPI_RSC_MOVE16: 377 case ACPI_RSC_MOVE32: 378 case ACPI_RSC_MOVE64: 379 /* 380 * Raw data move. Use the Info value field unless ItemCount has 381 * been previously initialized via a COUNT opcode 382 */ 383 if (Info->Value) 384 { 385 ItemCount = Info->Value; 386 } 387 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 388 break; 389 390 case ACPI_RSC_MOVE_GPIO_PIN: 391 392 /* Generate and set the PIN data pointer */ 393 394 Target = (char *) ACPI_ADD_PTR (void, Resource, 395 (Resource->Length - ItemCount * 2)); 396 *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target); 397 398 /* Copy the PIN data */ 399 400 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source)); 401 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 402 break; 403 404 case ACPI_RSC_MOVE_GPIO_RES: 405 406 /* Generate and set the ResourceSource string pointer */ 407 408 Target = (char *) ACPI_ADD_PTR (void, Resource, 409 (Resource->Length - ItemCount)); 410 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 411 412 /* Copy the ResourceSource string */ 413 414 Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source)); 415 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 416 break; 417 418 case ACPI_RSC_MOVE_SERIAL_VEN: 419 420 /* Generate and set the Vendor Data pointer */ 421 422 Target = (char *) ACPI_ADD_PTR (void, Resource, 423 (Resource->Length - ItemCount)); 424 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 425 426 /* Copy the Vendor Data */ 427 428 Source = ACPI_ADD_PTR (void, Aml, Info->Value); 429 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 430 break; 431 432 case ACPI_RSC_MOVE_SERIAL_RES: 433 434 /* Generate and set the ResourceSource string pointer */ 435 436 Target = (char *) ACPI_ADD_PTR (void, Resource, 437 (Resource->Length - ItemCount)); 438 *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target); 439 440 /* Copy the ResourceSource string */ 441 442 ACPI_MOVE_16_TO_16 (&Temp16, Source); 443 Source = ACPI_ADD_PTR ( 444 void, Aml, (Temp16 + Info->Value)); 445 AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode); 446 break; 447 448 case ACPI_RSC_SET8: 449 450 memset (Destination, Info->AmlOffset, Info->Value); 451 break; 452 453 case ACPI_RSC_DATA8: 454 455 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 456 memcpy (Destination, Source, ACPI_GET16 (Target)); 457 break; 458 459 case ACPI_RSC_ADDRESS: 460 /* 461 * Common handler for address descriptor flags 462 */ 463 if (!AcpiRsGetAddressCommon (Resource, Aml)) 464 { 465 return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); 466 } 467 break; 468 469 case ACPI_RSC_SOURCE: 470 /* 471 * Optional ResourceSource (Index and String) 472 */ 473 Resource->Length += 474 AcpiRsGetResourceSource (AmlResourceLength, Info->Value, 475 Destination, Aml, NULL); 476 break; 477 478 case ACPI_RSC_SOURCEX: 479 /* 480 * Optional ResourceSource (Index and String). This is the more 481 * complicated case used by the Interrupt() macro 482 */ 483 Target = ACPI_ADD_PTR (char, Resource, 484 Info->AmlOffset + (ItemCount * 4)); 485 486 Resource->Length += 487 AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH) 488 (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), 489 Destination, Aml, Target); 490 break; 491 492 case ACPI_RSC_BITMASK: 493 /* 494 * 8-bit encoded bitmask (DMA macro) 495 */ 496 ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); 497 if (ItemCount) 498 { 499 Resource->Length += (ItemCount - 1); 500 } 501 502 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 503 ACPI_SET8 (Target, ItemCount); 504 break; 505 506 case ACPI_RSC_BITMASK16: 507 /* 508 * 16-bit encoded bitmask (IRQ macro) 509 */ 510 ACPI_MOVE_16_TO_16 (&Temp16, Source); 511 512 ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); 513 if (ItemCount) 514 { 515 Resource->Length += (ItemCount - 1); 516 } 517 518 Target = ACPI_ADD_PTR (char, Resource, Info->Value); 519 ACPI_SET8 (Target, ItemCount); 520 break; 521 522 case ACPI_RSC_EXIT_NE: 523 /* 524 * Control - Exit conversion if not equal 525 */ 526 switch (Info->ResourceOffset) 527 { 528 case ACPI_RSC_COMPARE_AML_LENGTH: 529 530 if (AmlResourceLength != Info->Value) 531 { 532 goto Exit; 533 } 534 break; 535 536 case ACPI_RSC_COMPARE_VALUE: 537 538 if (ACPI_GET8 (Source) != Info->Value) 539 { 540 goto Exit; 541 } 542 break; 543 544 default: 545 546 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 547 return_ACPI_STATUS (AE_BAD_PARAMETER); 548 } 549 break; 550 551 default: 552 553 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 554 return_ACPI_STATUS (AE_BAD_PARAMETER); 555 } 556 557 Count--; 558 Info++; 559 } 560 561 Exit: 562 if (!FlagsMode) 563 { 564 /* Round the resource struct length up to the next boundary (32 or 64) */ 565 566 Resource->Length = (UINT32) 567 ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); 568 } 569 return_ACPI_STATUS (AE_OK); 570 } 571 572 573 /******************************************************************************* 574 * 575 * FUNCTION: AcpiRsConvertResourceToAml 576 * 577 * PARAMETERS: Resource - Pointer to the resource descriptor 578 * Aml - Where the AML descriptor is returned 579 * Info - Pointer to appropriate conversion table 580 * 581 * RETURN: Status 582 * 583 * DESCRIPTION: Convert an internal resource descriptor to the corresponding 584 * external AML resource descriptor. 585 * 586 ******************************************************************************/ 587 588 ACPI_STATUS 589 AcpiRsConvertResourceToAml ( 590 ACPI_RESOURCE *Resource, 591 AML_RESOURCE *Aml, 592 ACPI_RSCONVERT_INFO *Info) 593 { 594 void *Source = NULL; 595 void *Destination; 596 char *Target; 597 ACPI_RSDESC_SIZE AmlLength = 0; 598 UINT8 Count; 599 UINT16 Temp16 = 0; 600 UINT16 ItemCount = 0; 601 602 603 ACPI_FUNCTION_TRACE (RsConvertResourceToAml); 604 605 606 if (!Info) 607 { 608 return_ACPI_STATUS (AE_BAD_PARAMETER); 609 } 610 611 /* 612 * First table entry must be ACPI_RSC_INITxxx and must contain the 613 * table length (# of table entries) 614 */ 615 Count = INIT_TABLE_LENGTH (Info); 616 617 while (Count) 618 { 619 /* 620 * Source is the internal resource descriptor, 621 * destination is the external AML byte stream buffer 622 */ 623 Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); 624 Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); 625 626 switch (Info->Opcode) 627 { 628 case ACPI_RSC_INITSET: 629 630 memset (Aml, 0, INIT_RESOURCE_LENGTH (Info)); 631 AmlLength = INIT_RESOURCE_LENGTH (Info); 632 AcpiRsSetResourceHeader ( 633 INIT_RESOURCE_TYPE (Info), AmlLength, Aml); 634 break; 635 636 case ACPI_RSC_INITGET: 637 break; 638 639 case ACPI_RSC_FLAGINIT: 640 /* 641 * Clear the flag byte 642 */ 643 ACPI_SET8 (Destination, 0); 644 break; 645 646 case ACPI_RSC_1BITFLAG: 647 /* 648 * Mask and shift the flag bit 649 */ 650 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 651 ((ACPI_GET8 (Source) & 0x01) << Info->Value)); 652 break; 653 654 case ACPI_RSC_2BITFLAG: 655 /* 656 * Mask and shift the flag bits 657 */ 658 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 659 ((ACPI_GET8 (Source) & 0x03) << Info->Value)); 660 break; 661 662 case ACPI_RSC_3BITFLAG: 663 /* 664 * Mask and shift the flag bits 665 */ 666 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 667 ((ACPI_GET8 (Source) & 0x07) << Info->Value)); 668 break; 669 670 case ACPI_RSC_6BITFLAG: 671 /* 672 * Mask and shift the flag bits 673 */ 674 ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8) 675 ((ACPI_GET8 (Source) & 0x3F) << Info->Value)); 676 break; 677 678 case ACPI_RSC_COUNT: 679 680 ItemCount = ACPI_GET8 (Source); 681 ACPI_SET8 (Destination, ItemCount); 682 683 AmlLength = (UINT16) 684 (AmlLength + (Info->Value * (ItemCount - 1))); 685 break; 686 687 case ACPI_RSC_COUNT16: 688 689 ItemCount = ACPI_GET16 (Source); 690 AmlLength = (UINT16) (AmlLength + ItemCount); 691 AcpiRsSetResourceLength (AmlLength, Aml); 692 break; 693 694 case ACPI_RSC_COUNT_GPIO_PIN: 695 696 ItemCount = ACPI_GET16 (Source); 697 ACPI_SET16 (Destination, AmlLength); 698 699 AmlLength = (UINT16) (AmlLength + ItemCount * 2); 700 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 701 ACPI_SET16 (Target, AmlLength); 702 AcpiRsSetResourceLength (AmlLength, Aml); 703 break; 704 705 case ACPI_RSC_COUNT_GPIO_VEN: 706 707 ItemCount = ACPI_GET16 (Source); 708 ACPI_SET16 (Destination, ItemCount); 709 710 AmlLength = (UINT16) ( 711 AmlLength + (Info->Value * ItemCount)); 712 AcpiRsSetResourceLength (AmlLength, Aml); 713 break; 714 715 case ACPI_RSC_COUNT_GPIO_RES: 716 717 /* Set resource source string length */ 718 719 ItemCount = ACPI_GET16 (Source); 720 ACPI_SET16 (Destination, AmlLength); 721 722 /* Compute offset for the Vendor Data */ 723 724 AmlLength = (UINT16) (AmlLength + ItemCount); 725 Target = ACPI_ADD_PTR (void, Aml, Info->Value); 726 727 /* Set vendor offset only if there is vendor data */ 728 729 ACPI_SET16 (Target, AmlLength); 730 731 AcpiRsSetResourceLength (AmlLength, Aml); 732 break; 733 734 case ACPI_RSC_COUNT_SERIAL_VEN: 735 736 ItemCount = ACPI_GET16 (Source); 737 ACPI_SET16 (Destination, ItemCount + Info->Value); 738 AmlLength = (UINT16) (AmlLength + ItemCount); 739 AcpiRsSetResourceLength (AmlLength, Aml); 740 break; 741 742 case ACPI_RSC_COUNT_SERIAL_RES: 743 744 ItemCount = ACPI_GET16 (Source); 745 AmlLength = (UINT16) (AmlLength + ItemCount); 746 AcpiRsSetResourceLength (AmlLength, Aml); 747 break; 748 749 case ACPI_RSC_LENGTH: 750 751 AcpiRsSetResourceLength (Info->Value, Aml); 752 break; 753 754 case ACPI_RSC_MOVE8: 755 case ACPI_RSC_MOVE16: 756 case ACPI_RSC_MOVE32: 757 case ACPI_RSC_MOVE64: 758 759 if (Info->Value) 760 { 761 ItemCount = Info->Value; 762 } 763 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 764 break; 765 766 case ACPI_RSC_MOVE_GPIO_PIN: 767 768 Destination = (char *) ACPI_ADD_PTR (void, Aml, 769 ACPI_GET16 (Destination)); 770 Source = * (UINT16 **) Source; 771 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 772 break; 773 774 case ACPI_RSC_MOVE_GPIO_RES: 775 776 /* Used for both ResourceSource string and VendorData */ 777 778 Destination = (char *) ACPI_ADD_PTR (void, Aml, 779 ACPI_GET16 (Destination)); 780 Source = * (UINT8 **) Source; 781 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 782 break; 783 784 case ACPI_RSC_MOVE_SERIAL_VEN: 785 786 Destination = (char *) ACPI_ADD_PTR (void, Aml, 787 (AmlLength - ItemCount)); 788 Source = * (UINT8 **) Source; 789 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 790 break; 791 792 case ACPI_RSC_MOVE_SERIAL_RES: 793 794 Destination = (char *) ACPI_ADD_PTR (void, Aml, 795 (AmlLength - ItemCount)); 796 Source = * (UINT8 **) Source; 797 AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); 798 break; 799 800 case ACPI_RSC_ADDRESS: 801 802 /* Set the Resource Type, General Flags, and Type-Specific Flags */ 803 804 AcpiRsSetAddressCommon (Aml, Resource); 805 break; 806 807 case ACPI_RSC_SOURCEX: 808 /* 809 * Optional ResourceSource (Index and String) 810 */ 811 AmlLength = AcpiRsSetResourceSource ( 812 Aml, (ACPI_RS_LENGTH) AmlLength, Source); 813 AcpiRsSetResourceLength (AmlLength, Aml); 814 break; 815 816 case ACPI_RSC_SOURCE: 817 /* 818 * Optional ResourceSource (Index and String). This is the more 819 * complicated case used by the Interrupt() macro 820 */ 821 AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); 822 AcpiRsSetResourceLength (AmlLength, Aml); 823 break; 824 825 case ACPI_RSC_BITMASK: 826 /* 827 * 8-bit encoded bitmask (DMA macro) 828 */ 829 ACPI_SET8 (Destination, 830 AcpiRsEncodeBitmask (Source, 831 *ACPI_ADD_PTR (UINT8, Resource, Info->Value))); 832 break; 833 834 case ACPI_RSC_BITMASK16: 835 /* 836 * 16-bit encoded bitmask (IRQ macro) 837 */ 838 Temp16 = AcpiRsEncodeBitmask ( 839 Source, *ACPI_ADD_PTR (UINT8, Resource, Info->Value)); 840 ACPI_MOVE_16_TO_16 (Destination, &Temp16); 841 break; 842 843 case ACPI_RSC_EXIT_LE: 844 /* 845 * Control - Exit conversion if less than or equal 846 */ 847 if (ItemCount <= Info->Value) 848 { 849 goto Exit; 850 } 851 break; 852 853 case ACPI_RSC_EXIT_NE: 854 /* 855 * Control - Exit conversion if not equal 856 */ 857 switch (COMPARE_OPCODE (Info)) 858 { 859 case ACPI_RSC_COMPARE_VALUE: 860 861 if (*ACPI_ADD_PTR (UINT8, Resource, 862 COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) 863 { 864 goto Exit; 865 } 866 break; 867 868 default: 869 870 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); 871 return_ACPI_STATUS (AE_BAD_PARAMETER); 872 } 873 break; 874 875 case ACPI_RSC_EXIT_EQ: 876 /* 877 * Control - Exit conversion if equal 878 */ 879 if (*ACPI_ADD_PTR (UINT8, Resource, 880 COMPARE_TARGET (Info)) == COMPARE_VALUE (Info)) 881 { 882 goto Exit; 883 } 884 break; 885 886 default: 887 888 ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); 889 return_ACPI_STATUS (AE_BAD_PARAMETER); 890 } 891 892 Count--; 893 Info++; 894 } 895 896 Exit: 897 return_ACPI_STATUS (AE_OK); 898 } 899 900 901 #if 0 902 /* Previous resource validations */ 903 904 if (Aml->ExtAddress64.RevisionID != 905 AML_RESOURCE_EXTENDED_ADDRESS_REVISION) 906 { 907 return_ACPI_STATUS (AE_SUPPORT); 908 } 909 910 if (Resource->Data.StartDpf.PerformanceRobustness >= 3) 911 { 912 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); 913 } 914 915 if (((Aml->Irq.Flags & 0x09) == 0x00) || 916 ((Aml->Irq.Flags & 0x09) == 0x09)) 917 { 918 /* 919 * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] 920 * polarity/trigger interrupts are allowed (ACPI spec, section 921 * "IRQ Format"), so 0x00 and 0x09 are illegal. 922 */ 923 ACPI_ERROR ((AE_INFO, 924 "Invalid interrupt polarity/trigger in resource list, 0x%X", 925 Aml->Irq.Flags)); 926 return_ACPI_STATUS (AE_BAD_DATA); 927 } 928 929 Resource->Data.ExtendedIrq.InterruptCount = Temp8; 930 if (Temp8 < 1) 931 { 932 /* Must have at least one IRQ */ 933 934 return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); 935 } 936 937 if (Resource->Data.Dma.Transfer == 0x03) 938 { 939 ACPI_ERROR ((AE_INFO, 940 "Invalid DMA.Transfer preference (3)")); 941 return_ACPI_STATUS (AE_BAD_DATA); 942 } 943 #endif 944
Indexes created Sun Sep 21 20:09:37 GMT 2025