1/****************************************************************************** 2 * 3 * Module Name: aslrestype1i - Small I/O-related resource descriptors 4 * 5 *****************************************************************************/ 6 7/****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2016, 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#include "aslcompiler.h" 117#include "aslcompiler.y.h" 118 119#define _COMPONENT ACPI_COMPILER 120 ACPI_MODULE_NAME ("aslrestype1i") 121 122/* 123 * This module contains the I/O-related small resource descriptors: 124 * 125 * DMA 126 * FixedDMA 127 * FixedIO 128 * IO 129 * IRQ 130 * IRQNoFlags 131 */ 132 133/******************************************************************************* 134 * 135 * FUNCTION: RsDoDmaDescriptor 136 * 137 * PARAMETERS: Info - Parse Op and resource template offset 138 * 139 * RETURN: Completed resource node 140 * 141 * DESCRIPTION: Construct a short "DMA" descriptor 142 * 143 ******************************************************************************/ 144 145ASL_RESOURCE_NODE * 146RsDoDmaDescriptor ( 147 ASL_RESOURCE_INFO *Info) 148{ 149 AML_RESOURCE *Descriptor; 150 ACPI_PARSE_OBJECT *InitializerOp; 151 ASL_RESOURCE_NODE *Rnode; 152 UINT32 CurrentByteOffset; 153 UINT32 i; 154 UINT8 DmaChannelMask = 0; 155 UINT8 DmaChannels = 0; 156 157 158 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 159 CurrentByteOffset = Info->CurrentByteOffset; 160 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_DMA)); 161 162 Descriptor = Rnode->Buffer; 163 Descriptor->Dma.DescriptorType = 164 ACPI_RESOURCE_NAME_DMA | ASL_RDESC_DMA_SIZE; 165 166 /* Process all child initialization nodes */ 167 168 for (i = 0; InitializerOp; i++) 169 { 170 switch (i) 171 { 172 case 0: /* DMA type */ 173 174 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 5, 0); 175 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_DMATYPE, 176 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 5, 2); 177 break; 178 179 case 1: /* Bus Master */ 180 181 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 2, 0); 182 RsCreateBitField (InitializerOp, ACPI_RESTAG_BUSMASTER, 183 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 2); 184 break; 185 186 case 2: /* Xfer Type (transfer width) */ 187 188 RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 0, 0); 189 RsCreateMultiBitField (InitializerOp, ACPI_RESTAG_XFERTYPE, 190 CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 0, 2); 191 break; 192 193 case 3: /* Name */ 194 195 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 196 break; 197 198 default: 199 200 /* All DMA channel bytes are handled here, after flags and name */ 201 202 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 203 { 204 /* Up to 8 channels can be specified in the list */ 205 206 DmaChannels++; 207 if (DmaChannels > 8) 208 { 209 AslError (ASL_ERROR, ASL_MSG_DMA_LIST, 210 InitializerOp, NULL); 211 return (Rnode); 212 } 213 214 /* Only DMA channels 0-7 are allowed (mask is 8 bits) */ 215 216 if (InitializerOp->Asl.Value.Integer > 7) 217 { 218 AslError (ASL_ERROR, ASL_MSG_DMA_CHANNEL, 219 InitializerOp, NULL); 220 } 221 222 /* Build the mask */ 223 224 DmaChannelMask |= 225 (1 << ((UINT8) InitializerOp->Asl.Value.Integer)); 226 } 227 228 if (i == 4) /* case 4: First DMA byte */ 229 { 230 /* Check now for duplicates in list */ 231 232 RsCheckListForDuplicates (InitializerOp); 233 234 /* Create a named field at the start of the list */ 235 236 RsCreateByteField (InitializerOp, ACPI_RESTAG_DMA, 237 CurrentByteOffset + 238 ASL_RESDESC_OFFSET (Dma.DmaChannelMask)); 239 } 240 break; 241 } 242 243 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 244 } 245 246 /* Now we can set the channel mask */ 247 248 Descriptor->Dma.DmaChannelMask = DmaChannelMask; 249 return (Rnode); 250} 251 252 253/******************************************************************************* 254 * 255 * FUNCTION: RsDoFixedDmaDescriptor 256 * 257 * PARAMETERS: Info - Parse Op and resource template offset 258 * 259 * RETURN: Completed resource node 260 * 261 * DESCRIPTION: Construct a short "FixedDMA" descriptor 262 * 263 ******************************************************************************/ 264 265ASL_RESOURCE_NODE * 266RsDoFixedDmaDescriptor ( 267 ASL_RESOURCE_INFO *Info) 268{ 269 AML_RESOURCE *Descriptor; 270 ACPI_PARSE_OBJECT *InitializerOp; 271 ASL_RESOURCE_NODE *Rnode; 272 UINT32 CurrentByteOffset; 273 UINT32 i; 274 275 276 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 277 CurrentByteOffset = Info->CurrentByteOffset; 278 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_DMA)); 279 280 Descriptor = Rnode->Buffer; 281 Descriptor->FixedDma.DescriptorType = 282 ACPI_RESOURCE_NAME_FIXED_DMA | ASL_RDESC_FIXED_DMA_SIZE; 283 284 /* Process all child initialization nodes */ 285 286 for (i = 0; InitializerOp; i++) 287 { 288 switch (i) 289 { 290 case 0: /* DMA Request Lines [WORD] (_DMA) */ 291 292 Descriptor->FixedDma.RequestLines = (UINT16) InitializerOp->Asl.Value.Integer; 293 RsCreateWordField (InitializerOp, ACPI_RESTAG_DMA, 294 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.RequestLines)); 295 break; 296 297 case 1: /* DMA Channel [WORD] (_TYP) */ 298 299 Descriptor->FixedDma.Channels = (UINT16) InitializerOp->Asl.Value.Integer; 300 RsCreateWordField (InitializerOp, ACPI_RESTAG_DMATYPE, 301 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Channels)); 302 break; 303 304 case 2: /* Transfer Width [BYTE] (_SIZ) */ 305 306 Descriptor->FixedDma.Width = (UINT8) InitializerOp->Asl.Value.Integer; 307 RsCreateByteField (InitializerOp, ACPI_RESTAG_XFERTYPE, 308 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedDma.Width)); 309 break; 310 311 case 3: /* Descriptor Name (optional) */ 312 313 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 314 break; 315 316 default: /* Ignore any extra nodes */ 317 318 break; 319 } 320 321 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 322 } 323 324 return (Rnode); 325} 326 327 328/******************************************************************************* 329 * 330 * FUNCTION: RsDoFixedIoDescriptor 331 * 332 * PARAMETERS: Info - Parse Op and resource template offset 333 * 334 * RETURN: Completed resource node 335 * 336 * DESCRIPTION: Construct a short "FixedIO" descriptor 337 * 338 ******************************************************************************/ 339 340ASL_RESOURCE_NODE * 341RsDoFixedIoDescriptor ( 342 ASL_RESOURCE_INFO *Info) 343{ 344 AML_RESOURCE *Descriptor; 345 ACPI_PARSE_OBJECT *InitializerOp; 346 ACPI_PARSE_OBJECT *AddressOp = NULL; 347 ASL_RESOURCE_NODE *Rnode; 348 UINT32 CurrentByteOffset; 349 UINT32 i; 350 351 352 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 353 CurrentByteOffset = Info->CurrentByteOffset; 354 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_IO)); 355 356 Descriptor = Rnode->Buffer; 357 Descriptor->Io.DescriptorType = 358 ACPI_RESOURCE_NAME_FIXED_IO | ASL_RDESC_FIXED_IO_SIZE; 359 360 /* Process all child initialization nodes */ 361 362 for (i = 0; InitializerOp; i++) 363 { 364 switch (i) 365 { 366 case 0: /* Base Address */ 367 368 Descriptor->FixedIo.Address = 369 (UINT16) InitializerOp->Asl.Value.Integer; 370 RsCreateWordField (InitializerOp, ACPI_RESTAG_BASEADDRESS, 371 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.Address)); 372 AddressOp = InitializerOp; 373 break; 374 375 case 1: /* Length */ 376 377 Descriptor->FixedIo.AddressLength = 378 (UINT8) InitializerOp->Asl.Value.Integer; 379 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH, 380 CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.AddressLength)); 381 break; 382 383 case 2: /* Name */ 384 385 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 386 break; 387 388 default: 389 390 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); 391 break; 392 } 393 394 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 395 } 396 397 /* Error checks */ 398 399 if (Descriptor->FixedIo.Address > 0x03FF) 400 { 401 AslError (ASL_WARNING, ASL_MSG_ISA_ADDRESS, AddressOp, NULL); 402 } 403 404 return (Rnode); 405} 406 407 408/******************************************************************************* 409 * 410 * FUNCTION: RsDoIoDescriptor 411 * 412 * PARAMETERS: Info - Parse Op and resource template offset 413 * 414 * RETURN: Completed resource node 415 * 416 * DESCRIPTION: Construct a short "IO" descriptor 417 * 418 ******************************************************************************/ 419 420ASL_RESOURCE_NODE * 421RsDoIoDescriptor ( 422 ASL_RESOURCE_INFO *Info) 423{ 424 AML_RESOURCE *Descriptor; 425 ACPI_PARSE_OBJECT *InitializerOp; 426 ACPI_PARSE_OBJECT *MinOp = NULL; 427 ACPI_PARSE_OBJECT *MaxOp = NULL; 428 ACPI_PARSE_OBJECT *LengthOp = NULL; 429 ACPI_PARSE_OBJECT *AlignOp = NULL; 430 ASL_RESOURCE_NODE *Rnode; 431 UINT32 CurrentByteOffset; 432 UINT32 i; 433 434 435 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 436 CurrentByteOffset = Info->CurrentByteOffset; 437 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IO)); 438 439 Descriptor = Rnode->Buffer; 440 Descriptor->Io.DescriptorType = 441 ACPI_RESOURCE_NAME_IO | ASL_RDESC_IO_SIZE; 442 443 /* Process all child initialization nodes */ 444 445 for (i = 0; InitializerOp; i++) 446 { 447 switch (i) 448 { 449 case 0: /* Decode size */ 450 451 RsSetFlagBits (&Descriptor->Io.Flags, InitializerOp, 0, 1); 452 RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE, 453 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Flags), 0); 454 break; 455 456 case 1: /* Min Address */ 457 458 Descriptor->Io.Minimum = 459 (UINT16) InitializerOp->Asl.Value.Integer; 460 RsCreateWordField (InitializerOp, ACPI_RESTAG_MINADDR, 461 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Minimum)); 462 MinOp = InitializerOp; 463 break; 464 465 case 2: /* Max Address */ 466 467 Descriptor->Io.Maximum = 468 (UINT16) InitializerOp->Asl.Value.Integer; 469 RsCreateWordField (InitializerOp, ACPI_RESTAG_MAXADDR, 470 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Maximum)); 471 MaxOp = InitializerOp; 472 break; 473 474 case 3: /* Alignment */ 475 476 Descriptor->Io.Alignment = 477 (UINT8) InitializerOp->Asl.Value.Integer; 478 RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT, 479 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Alignment)); 480 AlignOp = InitializerOp; 481 break; 482 483 case 4: /* Length */ 484 485 Descriptor->Io.AddressLength = 486 (UINT8) InitializerOp->Asl.Value.Integer; 487 RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH, 488 CurrentByteOffset + ASL_RESDESC_OFFSET (Io.AddressLength)); 489 LengthOp = InitializerOp; 490 break; 491 492 case 5: /* Name */ 493 494 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 495 break; 496 497 default: 498 499 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); 500 break; 501 } 502 503 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 504 } 505 506 /* Validate the Min/Max/Len/Align values */ 507 508 RsSmallAddressCheck (ACPI_RESOURCE_NAME_IO, 509 Descriptor->Io.Minimum, 510 Descriptor->Io.Maximum, 511 Descriptor->Io.AddressLength, 512 Descriptor->Io.Alignment, 513 MinOp, MaxOp, LengthOp, AlignOp, Info->DescriptorTypeOp); 514 515 return (Rnode); 516} 517 518 519/******************************************************************************* 520 * 521 * FUNCTION: RsDoIrqDescriptor 522 * 523 * PARAMETERS: Info - Parse Op and resource template offset 524 * 525 * RETURN: Completed resource node 526 * 527 * DESCRIPTION: Construct a short "IRQ" descriptor 528 * 529 ******************************************************************************/ 530 531ASL_RESOURCE_NODE * 532RsDoIrqDescriptor ( 533 ASL_RESOURCE_INFO *Info) 534{ 535 AML_RESOURCE *Descriptor; 536 ACPI_PARSE_OBJECT *InitializerOp; 537 ASL_RESOURCE_NODE *Rnode; 538 UINT32 Interrupts = 0; 539 UINT16 IrqMask = 0; 540 UINT32 CurrentByteOffset; 541 UINT32 i; 542 543 544 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 545 CurrentByteOffset = Info->CurrentByteOffset; 546 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ)); 547 548 /* Length = 3 (with flag byte) */ 549 550 Descriptor = Rnode->Buffer; 551 Descriptor->Irq.DescriptorType = 552 ACPI_RESOURCE_NAME_IRQ | (ASL_RDESC_IRQ_SIZE + 0x01); 553 554 /* Process all child initialization nodes */ 555 556 for (i = 0; InitializerOp; i++) 557 { 558 switch (i) 559 { 560 case 0: /* Interrupt Type (or Mode - edge/level) */ 561 562 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 0, 1); 563 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE, 564 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 0); 565 break; 566 567 case 1: /* Interrupt Level (or Polarity - Active high/low) */ 568 569 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 3, 0); 570 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL, 571 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 3); 572 break; 573 574 case 2: /* Share Type - Default: exclusive (0) */ 575 576 RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 4, 0); 577 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, 578 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 4); 579 break; 580 581 case 3: /* Name */ 582 583 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 584 break; 585 586 default: 587 588 /* All IRQ bytes are handled here, after the flags and name */ 589 590 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 591 { 592 /* Up to 16 interrupts can be specified in the list */ 593 594 Interrupts++; 595 if (Interrupts > 16) 596 { 597 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST, 598 InitializerOp, NULL); 599 return (Rnode); 600 } 601 602 /* Only interrupts 0-15 are allowed (mask is 16 bits) */ 603 604 if (InitializerOp->Asl.Value.Integer > 15) 605 { 606 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER, 607 InitializerOp, NULL); 608 } 609 else 610 { 611 IrqMask |= (1 << (UINT8) InitializerOp->Asl.Value.Integer); 612 } 613 } 614 615 /* Case 4: First IRQ value in list */ 616 617 if (i == 4) 618 { 619 /* Check now for duplicates in list */ 620 621 RsCheckListForDuplicates (InitializerOp); 622 623 /* Create a named field at the start of the list */ 624 625 RsCreateWordField (InitializerOp, ACPI_RESTAG_INTERRUPT, 626 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask)); 627 } 628 break; 629 } 630 631 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 632 } 633 634 /* Now we can set the channel mask */ 635 636 Descriptor->Irq.IrqMask = IrqMask; 637 return (Rnode); 638} 639 640 641/******************************************************************************* 642 * 643 * FUNCTION: RsDoIrqNoFlagsDescriptor 644 * 645 * PARAMETERS: Info - Parse Op and resource template offset 646 * 647 * RETURN: Completed resource node 648 * 649 * DESCRIPTION: Construct a short "IRQNoFlags" descriptor 650 * 651 ******************************************************************************/ 652 653ASL_RESOURCE_NODE * 654RsDoIrqNoFlagsDescriptor ( 655 ASL_RESOURCE_INFO *Info) 656{ 657 AML_RESOURCE *Descriptor; 658 ACPI_PARSE_OBJECT *InitializerOp; 659 ASL_RESOURCE_NODE *Rnode; 660 UINT16 IrqMask = 0; 661 UINT32 Interrupts = 0; 662 UINT32 CurrentByteOffset; 663 UINT32 i; 664 665 666 InitializerOp = Info->DescriptorTypeOp->Asl.Child; 667 CurrentByteOffset = Info->CurrentByteOffset; 668 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ_NOFLAGS)); 669 670 Descriptor = Rnode->Buffer; 671 Descriptor->Irq.DescriptorType = 672 ACPI_RESOURCE_NAME_IRQ | ASL_RDESC_IRQ_SIZE; 673 674 /* Process all child initialization nodes */ 675 676 for (i = 0; InitializerOp; i++) 677 { 678 switch (i) 679 { 680 case 0: /* Name */ 681 682 UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp); 683 break; 684 685 default: 686 687 /* IRQ bytes are handled here, after the flags and name */ 688 689 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 690 { 691 /* Up to 16 interrupts can be specified in the list */ 692 693 Interrupts++; 694 if (Interrupts > 16) 695 { 696 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST, 697 InitializerOp, NULL); 698 return (Rnode); 699 } 700 701 /* Only interrupts 0-15 are allowed (mask is 16 bits) */ 702 703 if (InitializerOp->Asl.Value.Integer > 15) 704 { 705 AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER, 706 InitializerOp, NULL); 707 } 708 else 709 { 710 IrqMask |= (1 << ((UINT8) InitializerOp->Asl.Value.Integer)); 711 } 712 } 713 714 /* Case 1: First IRQ value in list */ 715 716 if (i == 1) 717 { 718 /* Check now for duplicates in list */ 719 720 RsCheckListForDuplicates (InitializerOp); 721 722 /* Create a named field at the start of the list */ 723 724 RsCreateWordField (InitializerOp, ACPI_RESTAG_INTERRUPT, 725 CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask)); 726 } 727 break; 728 } 729 730 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 731 } 732 733 /* Now we can set the interrupt mask */ 734 735 Descriptor->Irq.IrqMask = IrqMask; 736 return (Rnode); 737} 738