aslrestype2.c revision 207344
1 2/****************************************************************************** 3 * 4 * Module Name: aslrestype2 - Miscellaneous Large resource descriptors 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. 13 * All rights reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 118#include <contrib/dev/acpica/compiler/aslcompiler.h> 119#include "aslcompiler.y.h" 120#include <contrib/dev/acpica/include/amlcode.h> 121 122#define _COMPONENT ACPI_COMPILER 123 ACPI_MODULE_NAME ("aslrestype2") 124 125/* 126 * This module contains miscellaneous large resource descriptors: 127 * 128 * Register 129 * Interrupt 130 * VendorLong 131 */ 132 133/******************************************************************************* 134 * 135 * FUNCTION: RsDoGeneralRegisterDescriptor 136 * 137 * PARAMETERS: Op - Parent resource descriptor parse node 138 * CurrentByteOffset - Offset into the resource template AML 139 * buffer (to track references to the desc) 140 * 141 * RETURN: Completed resource node 142 * 143 * DESCRIPTION: Construct a long "Register" descriptor 144 * 145 ******************************************************************************/ 146 147ASL_RESOURCE_NODE * 148RsDoGeneralRegisterDescriptor ( 149 ACPI_PARSE_OBJECT *Op, 150 UINT32 CurrentByteOffset) 151{ 152 AML_RESOURCE *Descriptor; 153 ACPI_PARSE_OBJECT *InitializerOp; 154 ASL_RESOURCE_NODE *Rnode; 155 UINT32 i; 156 157 158 InitializerOp = Op->Asl.Child; 159 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER)); 160 161 Descriptor = Rnode->Buffer; 162 Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER; 163 Descriptor->GenericReg.ResourceLength = 12; 164 165 /* Process all child initialization nodes */ 166 167 for (i = 0; InitializerOp; i++) 168 { 169 switch (i) 170 { 171 case 0: /* Address space */ 172 173 Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer; 174 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE, 175 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId)); 176 break; 177 178 case 1: /* Register Bit Width */ 179 180 Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer; 181 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH, 182 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth)); 183 break; 184 185 case 2: /* Register Bit Offset */ 186 187 Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer; 188 RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET, 189 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset)); 190 break; 191 192 case 3: /* Register Address */ 193 194 Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer; 195 RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESS, 196 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address)); 197 break; 198 199 case 4: /* Access Size (ACPI 3.0) */ 200 201 Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer; 202 RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE, 203 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize)); 204 205 if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD) 206 { 207 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE, 208 InitializerOp, NULL); 209 } 210 break; 211 212 case 5: /* ResourceTag (ACPI 3.0b) */ 213 214 UtAttachNamepathToOwner (Op, InitializerOp); 215 break; 216 217 default: 218 219 AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL); 220 break; 221 } 222 223 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 224 } 225 return (Rnode); 226} 227 228 229/******************************************************************************* 230 * 231 * FUNCTION: RsDoInterruptDescriptor 232 * 233 * PARAMETERS: Op - Parent resource descriptor parse node 234 * CurrentByteOffset - Offset into the resource template AML 235 * buffer (to track references to the desc) 236 * 237 * RETURN: Completed resource node 238 * 239 * DESCRIPTION: Construct a long "Interrupt" descriptor 240 * 241 ******************************************************************************/ 242 243ASL_RESOURCE_NODE * 244RsDoInterruptDescriptor ( 245 ACPI_PARSE_OBJECT *Op, 246 UINT32 CurrentByteOffset) 247{ 248 AML_RESOURCE *Descriptor; 249 AML_RESOURCE *Rover = NULL; 250 ACPI_PARSE_OBJECT *InitializerOp; 251 ASL_RESOURCE_NODE *Rnode; 252 UINT16 StringLength = 0; 253 UINT32 OptionIndex = 0; 254 UINT32 i; 255 BOOLEAN HasResSourceIndex = FALSE; 256 UINT8 ResSourceIndex = 0; 257 UINT8 *ResSourceString = NULL; 258 259 260 InitializerOp = Op->Asl.Child; 261 StringLength = RsGetStringDataLength (InitializerOp); 262 263 /* Count the interrupt numbers */ 264 265 for (i = 0; InitializerOp; i++) 266 { 267 InitializerOp = ASL_GET_PEER_NODE (InitializerOp); 268 269 if (i <= 6) 270 { 271 if (i == 3 && 272 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 273 { 274 /* 275 * ResourceSourceIndex was specified, always make room for 276 * it, even if the ResourceSource was omitted. 277 */ 278 OptionIndex++; 279 } 280 281 continue; 282 } 283 284 OptionIndex += 4; 285 } 286 287 InitializerOp = Op->Asl.Child; 288 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) + 289 1 + OptionIndex + StringLength); 290 291 Descriptor = Rnode->Buffer; 292 Descriptor->ExtendedIrq.DescriptorType = ACPI_RESOURCE_NAME_EXTENDED_IRQ; 293 294 /* 295 * Initial descriptor length -- may be enlarged if there are 296 * optional fields present 297 */ 298 Descriptor->ExtendedIrq.ResourceLength = 2; /* Flags and table length byte */ 299 Descriptor->ExtendedIrq.InterruptCount = 0; 300 301 Rover = ACPI_CAST_PTR (AML_RESOURCE, 302 (&(Descriptor->ExtendedIrq.Interrupts[0]))); 303 304 /* Process all child initialization nodes */ 305 306 for (i = 0; InitializerOp; i++) 307 { 308 switch (i) 309 { 310 case 0: /* Resource Usage (Default: consumer (1) */ 311 312 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1); 313 break; 314 315 case 1: /* Interrupt Type (or Mode - edge/level) */ 316 317 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0); 318 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE, 319 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1); 320 break; 321 322 case 2: /* Interrupt Level (or Polarity - Active high/low) */ 323 324 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0); 325 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL, 326 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2); 327 break; 328 329 case 3: /* Share Type - Default: exclusive (0) */ 330 331 RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0); 332 RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE, 333 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3); 334 break; 335 336 case 4: /* ResSourceIndex [Optional Field - BYTE] */ 337 338 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) 339 { 340 HasResSourceIndex = TRUE; 341 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer; 342 } 343 break; 344 345 case 5: /* ResSource [Optional Field - STRING] */ 346 347 if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) && 348 (InitializerOp->Asl.Value.String)) 349 { 350 if (StringLength) 351 { 352 ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String; 353 } 354 355 /* ResourceSourceIndex must also be valid */ 356 357 if (!HasResSourceIndex) 358 { 359 AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX, 360 InitializerOp, NULL); 361 } 362 } 363 364#if 0 365 /* 366 * Not a valid ResourceSource, ResourceSourceIndex must also 367 * be invalid 368 */ 369 else if (HasResSourceIndex) 370 { 371 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE, 372 InitializerOp, NULL); 373 } 374#endif 375 break; 376 377 case 6: /* ResourceTag */ 378 379 UtAttachNamepathToOwner (Op, InitializerOp); 380 break; 381 382 default: 383 /* 384 * Interrupt Numbers come through here, repeatedly 385 */ 386 387 /* Maximum 255 interrupts allowed for this descriptor */ 388 389 if (Descriptor->ExtendedIrq.InterruptCount == 255) 390 { 391 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST, 392 InitializerOp, NULL); 393 return (Rnode); 394 } 395 396 /* Each interrupt number must be a 32-bit value */ 397 398 if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX) 399 { 400 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER, 401 InitializerOp, NULL); 402 } 403 404 /* Save the integer and move pointer to the next one */ 405 406 Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer; 407 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4); 408 Descriptor->ExtendedIrq.InterruptCount++; 409 Descriptor->ExtendedIrq.ResourceLength += 4; 410 411 /* Case 7: First interrupt number in list */ 412 413 if (i == 7) 414 { 415 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) 416 { 417 /* Must be at least one interrupt */ 418 419 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN, 420 InitializerOp, NULL); 421 } 422 423 /* Check now for duplicates in list */ 424 425 RsCheckListForDuplicates (InitializerOp); 426 427 /* Create a named field at the start of the list */ 428 429 RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT, 430 CurrentByteOffset + 431 ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0])); 432 } 433 } 434 435 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 436 } 437 438 439 /* Add optional ResSourceIndex if present */ 440 441 if (HasResSourceIndex) 442 { 443 Rover->ByteItem = ResSourceIndex; 444 Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1); 445 Descriptor->ExtendedIrq.ResourceLength += 1; 446 } 447 448 /* Add optional ResSource string if present */ 449 450 if (StringLength && ResSourceString) 451 { 452 453 strcpy ((char *) Rover, (char *) ResSourceString); 454 Rover = ACPI_ADD_PTR ( 455 AML_RESOURCE, &(Rover->ByteItem), StringLength); 456 457 Descriptor->ExtendedIrq.ResourceLength = (UINT16) 458 (Descriptor->ExtendedIrq.ResourceLength + StringLength); 459 } 460 461 Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) - 462 ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType)) 463 + OptionIndex + StringLength; 464 return (Rnode); 465} 466 467 468/******************************************************************************* 469 * 470 * FUNCTION: RsDoVendorLargeDescriptor 471 * 472 * PARAMETERS: Op - Parent resource descriptor parse node 473 * CurrentByteOffset - Offset into the resource template AML 474 * buffer (to track references to the desc) 475 * 476 * RETURN: Completed resource node 477 * 478 * DESCRIPTION: Construct a long "VendorLong" descriptor 479 * 480 ******************************************************************************/ 481 482ASL_RESOURCE_NODE * 483RsDoVendorLargeDescriptor ( 484 ACPI_PARSE_OBJECT *Op, 485 UINT32 CurrentByteOffset) 486{ 487 AML_RESOURCE *Descriptor; 488 ACPI_PARSE_OBJECT *InitializerOp; 489 ASL_RESOURCE_NODE *Rnode; 490 UINT8 *VendorData; 491 UINT32 i; 492 493 494 /* Count the number of data bytes */ 495 496 InitializerOp = Op->Asl.Child; 497 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 498 499 for (i = 0; InitializerOp; i++) 500 { 501 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) 502 { 503 break; 504 } 505 InitializerOp = InitializerOp->Asl.Next; 506 } 507 508 InitializerOp = Op->Asl.Child; 509 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 510 Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i); 511 512 Descriptor = Rnode->Buffer; 513 Descriptor->VendorLarge.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_LARGE; 514 Descriptor->VendorLarge.ResourceLength = (UINT16) i; 515 516 /* Point to end-of-descriptor for vendor data */ 517 518 VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER); 519 520 /* Process all child initialization nodes */ 521 522 for (i = 0; InitializerOp; i++) 523 { 524 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG) 525 { 526 break; 527 } 528 529 VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer; 530 InitializerOp = RsCompleteNodeAndGetNext (InitializerOp); 531 } 532 533 return (Rnode); 534} 535