1 /****************************************************************************** 2 * 3 * Module Name: tbutils - ACPI Table utilities 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2024, 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 <contrib/dev/acpica/include/acpi.h> 153 #include <contrib/dev/acpica/include/accommon.h> 154 #include <contrib/dev/acpica/include/actables.h> 155 156 #define _COMPONENT ACPI_TABLES 157 ACPI_MODULE_NAME ("tbutils") 158 159 160 /* Local prototypes */ 161 162 static ACPI_PHYSICAL_ADDRESS 163 AcpiTbGetRootTableEntry ( 164 UINT8 *TableEntry, 165 UINT32 TableEntrySize); 166 167 168 /******************************************************************************* 169 * 170 * FUNCTION: AcpiTbInitializeFacs 171 * 172 * PARAMETERS: None 173 * 174 * RETURN: Status 175 * 176 * DESCRIPTION: Create a permanent mapping for the FADT and save it in a global 177 * for accessing the Global Lock and Firmware Waking Vector 178 * 179 ******************************************************************************/ 180 181 ACPI_STATUS 182 AcpiTbInitializeFacs ( 183 void) 184 { 185 ACPI_TABLE_FACS *Facs; 186 187 if (AcpiGbl_FADT.XFacs && 188 (!AcpiGbl_FADT.Facs || !AcpiGbl_Use32BitFacsAddresses)) 189 { 190 (void) AcpiGetTableByIndex (AcpiGbl_XFacsIndex, 191 ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &Facs)); 192 AcpiGbl_FACS = Facs; 193 } 194 else if (AcpiGbl_FADT.Facs) 195 { 196 (void) AcpiGetTableByIndex (AcpiGbl_FacsIndex, 197 ACPI_CAST_INDIRECT_PTR (ACPI_TABLE_HEADER, &Facs)); 198 AcpiGbl_FACS = Facs; 199 } 200 201 /* If there is no FACS, just continue. There was already an error msg */ 202 203 return (AE_OK); 204 } 205 206 207 /******************************************************************************* 208 * 209 * FUNCTION: AcpiTbCheckDsdtHeader 210 * 211 * PARAMETERS: None 212 * 213 * RETURN: None 214 * 215 * DESCRIPTION: Quick compare to check validity of the DSDT. This will detect 216 * if the DSDT has been replaced from outside the OS and/or if 217 * the DSDT header has been corrupted. 218 * 219 ******************************************************************************/ 220 221 void 222 AcpiTbCheckDsdtHeader ( 223 void) 224 { 225 226 /* Compare original length and checksum to current values */ 227 228 if (AcpiGbl_OriginalDsdtHeader.Length != AcpiGbl_DSDT->Length || 229 AcpiGbl_OriginalDsdtHeader.Checksum != AcpiGbl_DSDT->Checksum) 230 { 231 ACPI_BIOS_ERROR ((AE_INFO, 232 "The DSDT has been corrupted or replaced - " 233 "old, new headers below")); 234 235 AcpiTbPrintTableHeader (0, &AcpiGbl_OriginalDsdtHeader); 236 AcpiTbPrintTableHeader (0, AcpiGbl_DSDT); 237 238 /* Disable further error messages */ 239 240 AcpiGbl_OriginalDsdtHeader.Length = AcpiGbl_DSDT->Length; 241 AcpiGbl_OriginalDsdtHeader.Checksum = AcpiGbl_DSDT->Checksum; 242 } 243 } 244 245 246 /******************************************************************************* 247 * 248 * FUNCTION: AcpiTbCopyDsdt 249 * 250 * PARAMETERS: TableIndex - Index of installed table to copy 251 * 252 * RETURN: The copied DSDT 253 * 254 * DESCRIPTION: Implements a subsystem option to copy the DSDT to local memory. 255 * Some very bad BIOSs are known to either corrupt the DSDT or 256 * install a new, bad DSDT. This copy works around the problem. 257 * 258 ******************************************************************************/ 259 260 ACPI_TABLE_HEADER * 261 AcpiTbCopyDsdt ( 262 UINT32 TableIndex) 263 { 264 ACPI_TABLE_HEADER *NewTable; 265 ACPI_TABLE_DESC *TableDesc; 266 267 268 TableDesc = &AcpiGbl_RootTableList.Tables[TableIndex]; 269 270 NewTable = ACPI_ALLOCATE (TableDesc->Length); 271 if (!NewTable) 272 { 273 ACPI_ERROR ((AE_INFO, "Could not copy DSDT of length 0x%X", 274 TableDesc->Length)); 275 return (NULL); 276 } 277 278 memcpy (NewTable, TableDesc->Pointer, TableDesc->Length); 279 AcpiTbUninstallTable (TableDesc); 280 281 AcpiTbInitTableDescriptor ( 282 &AcpiGbl_RootTableList.Tables[AcpiGbl_DsdtIndex], 283 ACPI_PTR_TO_PHYSADDR (NewTable), 284 ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, NewTable); 285 286 ACPI_INFO (( 287 "Forced DSDT copy: length 0x%05X copied locally, original unmapped", 288 NewTable->Length)); 289 290 return (NewTable); 291 } 292 293 294 /******************************************************************************* 295 * 296 * FUNCTION: AcpiTbGetRootTableEntry 297 * 298 * PARAMETERS: TableEntry - Pointer to the RSDT/XSDT table entry 299 * TableEntrySize - sizeof 32 or 64 (RSDT or XSDT) 300 * 301 * RETURN: Physical address extracted from the root table 302 * 303 * DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on 304 * both 32-bit and 64-bit platforms 305 * 306 * NOTE: ACPI_PHYSICAL_ADDRESS is 32-bit on 32-bit platforms, 64-bit on 307 * 64-bit platforms. 308 * 309 ******************************************************************************/ 310 311 static ACPI_PHYSICAL_ADDRESS 312 AcpiTbGetRootTableEntry ( 313 UINT8 *TableEntry, 314 UINT32 TableEntrySize) 315 { 316 UINT32 Address32; 317 UINT64 Address64; 318 319 320 /* 321 * Get the table physical address (32-bit for RSDT, 64-bit for XSDT): 322 * Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT 323 */ 324 if (TableEntrySize == ACPI_RSDT_ENTRY_SIZE) 325 { 326 /* 327 * 32-bit platform, RSDT: Return 32-bit table entry 328 * 64-bit platform, RSDT: Expand 32-bit to 64-bit and return 329 */ 330 ACPI_MOVE_32_TO_32(&Address32, TableEntry); 331 return Address32; 332 } 333 else 334 { 335 /* 336 * 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return 337 * 64-bit platform, XSDT: Move (unaligned) 64-bit to local, 338 * return 64-bit 339 */ 340 ACPI_MOVE_64_TO_64 (&Address64, TableEntry); 341 342 #if ACPI_MACHINE_WIDTH == 32 343 if (Address64 > ACPI_UINT32_MAX) 344 { 345 /* Will truncate 64-bit address to 32 bits, issue warning */ 346 347 ACPI_BIOS_WARNING ((AE_INFO, 348 "64-bit Physical Address in XSDT is too large (0x%8.8X%8.8X)," 349 " truncating", 350 ACPI_FORMAT_UINT64 (Address64))); 351 } 352 #endif 353 return ((ACPI_PHYSICAL_ADDRESS) (Address64)); 354 } 355 } 356 357 358 /******************************************************************************* 359 * 360 * FUNCTION: AcpiTbParseRootTable 361 * 362 * PARAMETERS: RsdpAddress - Pointer to the RSDP 363 * 364 * RETURN: Status 365 * 366 * DESCRIPTION: This function is called to parse the Root System Description 367 * Table (RSDT or XSDT) 368 * 369 * NOTE: Tables are mapped (not copied) for efficiency. The FACS must 370 * be mapped and cannot be copied because it contains the actual 371 * memory location of the ACPI Global Lock. 372 * 373 ******************************************************************************/ 374 375 ACPI_STATUS ACPI_INIT_FUNCTION 376 AcpiTbParseRootTable ( 377 ACPI_PHYSICAL_ADDRESS RsdpAddress) 378 { 379 ACPI_TABLE_RSDP *Rsdp; 380 UINT32 TableEntrySize; 381 UINT32 i; 382 UINT32 TableCount; 383 ACPI_TABLE_HEADER *Table; 384 ACPI_PHYSICAL_ADDRESS Address; 385 UINT32 Length; 386 UINT8 *TableEntry; 387 ACPI_STATUS Status; 388 UINT32 TableIndex; 389 390 391 ACPI_FUNCTION_TRACE (TbParseRootTable); 392 393 394 /* Map the entire RSDP and extract the address of the RSDT or XSDT */ 395 396 Rsdp = AcpiOsMapMemory (RsdpAddress, sizeof (ACPI_TABLE_RSDP)); 397 if (!Rsdp) 398 { 399 return_ACPI_STATUS (AE_NO_MEMORY); 400 } 401 402 AcpiTbPrintTableHeader (RsdpAddress, 403 ACPI_CAST_PTR (ACPI_TABLE_HEADER, Rsdp)); 404 405 /* Use XSDT if present and not overridden. Otherwise, use RSDT */ 406 407 if ((Rsdp->Revision > 1) && 408 Rsdp->XsdtPhysicalAddress && 409 !AcpiGbl_DoNotUseXsdt) 410 { 411 /* 412 * RSDP contains an XSDT (64-bit physical addresses). We must use 413 * the XSDT if the revision is > 1 and the XSDT pointer is present, 414 * as per the ACPI specification. 415 */ 416 Address = (ACPI_PHYSICAL_ADDRESS) Rsdp->XsdtPhysicalAddress; 417 TableEntrySize = ACPI_XSDT_ENTRY_SIZE; 418 } 419 else 420 { 421 /* Root table is an RSDT (32-bit physical addresses) */ 422 423 Address = (ACPI_PHYSICAL_ADDRESS) Rsdp->RsdtPhysicalAddress; 424 TableEntrySize = ACPI_RSDT_ENTRY_SIZE; 425 } 426 427 /* 428 * It is not possible to map more than one entry in some environments, 429 * so unmap the RSDP here before mapping other tables 430 */ 431 AcpiOsUnmapMemory (Rsdp, sizeof (ACPI_TABLE_RSDP)); 432 433 /* Map the RSDT/XSDT table header to get the full table length */ 434 435 Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER)); 436 if (!Table) 437 { 438 return_ACPI_STATUS (AE_NO_MEMORY); 439 } 440 441 AcpiTbPrintTableHeader (Address, Table); 442 443 /* 444 * Validate length of the table, and map entire table. 445 * Minimum length table must contain at least one entry. 446 */ 447 Length = Table->Length; 448 AcpiOsUnmapMemory (Table, sizeof (ACPI_TABLE_HEADER)); 449 450 if (Length < (sizeof (ACPI_TABLE_HEADER) + TableEntrySize)) 451 { 452 ACPI_BIOS_ERROR ((AE_INFO, 453 "Invalid table length 0x%X in RSDT/XSDT", Length)); 454 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); 455 } 456 457 Table = AcpiOsMapMemory (Address, Length); 458 if (!Table) 459 { 460 return_ACPI_STATUS (AE_NO_MEMORY); 461 } 462 463 /* Validate the root table checksum */ 464 465 Status = AcpiUtVerifyChecksum (Table, Length); 466 if (ACPI_FAILURE (Status)) 467 { 468 AcpiOsUnmapMemory (Table, Length); 469 return_ACPI_STATUS (Status); 470 } 471 472 /* Get the number of entries and pointer to first entry */ 473 474 TableCount = (UINT32) ((Table->Length - sizeof (ACPI_TABLE_HEADER)) / 475 TableEntrySize); 476 TableEntry = ACPI_ADD_PTR (UINT8, Table, sizeof (ACPI_TABLE_HEADER)); 477 478 /* Initialize the root table array from the RSDT/XSDT */ 479 480 for (i = 0; i < TableCount; i++) 481 { 482 /* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */ 483 484 Address = AcpiTbGetRootTableEntry (TableEntry, TableEntrySize); 485 486 /* Skip NULL entries in RSDT/XSDT */ 487 488 if (!Address) 489 { 490 goto NextTable; 491 } 492 493 Status = AcpiTbInstallStandardTable (Address, 494 ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL, NULL, FALSE, TRUE, 495 &TableIndex); 496 497 if (ACPI_SUCCESS (Status) && 498 ACPI_COMPARE_NAMESEG ( 499 &AcpiGbl_RootTableList.Tables[TableIndex].Signature, 500 ACPI_SIG_FADT)) 501 { 502 AcpiGbl_FadtIndex = TableIndex; 503 AcpiTbParseFadt (); 504 } 505 506 NextTable: 507 508 TableEntry += TableEntrySize; 509 } 510 511 AcpiOsUnmapMemory (Table, Length); 512 return_ACPI_STATUS (AE_OK); 513 } 514 515 516 /******************************************************************************* 517 * 518 * FUNCTION: AcpiTbGetTable 519 * 520 * PARAMETERS: TableDesc - Table descriptor 521 * OutTable - Where the pointer to the table is returned 522 * 523 * RETURN: Status and pointer to the requested table 524 * 525 * DESCRIPTION: Increase a reference to a table descriptor and return the 526 * validated table pointer. 527 * If the table descriptor is an entry of the root table list, 528 * this API must be invoked with ACPI_MTX_TABLES acquired. 529 * 530 ******************************************************************************/ 531 532 ACPI_STATUS 533 AcpiTbGetTable ( 534 ACPI_TABLE_DESC *TableDesc, 535 ACPI_TABLE_HEADER **OutTable) 536 { 537 ACPI_STATUS Status; 538 539 540 ACPI_FUNCTION_TRACE (AcpiTbGetTable); 541 542 543 if (TableDesc->ValidationCount == 0) 544 { 545 /* Table need to be "VALIDATED" */ 546 547 Status = AcpiTbValidateTable (TableDesc); 548 if (ACPI_FAILURE (Status)) 549 { 550 return_ACPI_STATUS (Status); 551 } 552 } 553 554 if (TableDesc->ValidationCount < ACPI_MAX_TABLE_VALIDATIONS) 555 { 556 TableDesc->ValidationCount++; 557 558 /* 559 * Detect ValidationCount overflows to ensure that the warning 560 * message will only be printed once. 561 */ 562 if (TableDesc->ValidationCount >= ACPI_MAX_TABLE_VALIDATIONS) 563 { 564 ACPI_WARNING((AE_INFO, 565 "Table %p, Validation count overflows\n", TableDesc)); 566 } 567 } 568 569 *OutTable = TableDesc->Pointer; 570 return_ACPI_STATUS (AE_OK); 571 } 572 573 574 /******************************************************************************* 575 * 576 * FUNCTION: AcpiTbPutTable 577 * 578 * PARAMETERS: TableDesc - Table descriptor 579 * 580 * RETURN: None 581 * 582 * DESCRIPTION: Decrease a reference to a table descriptor and release the 583 * validated table pointer if no references. 584 * If the table descriptor is an entry of the root table list, 585 * this API must be invoked with ACPI_MTX_TABLES acquired. 586 * 587 ******************************************************************************/ 588 589 void 590 AcpiTbPutTable ( 591 ACPI_TABLE_DESC *TableDesc) 592 { 593 594 ACPI_FUNCTION_TRACE (AcpiTbPutTable); 595 596 597 if (TableDesc->ValidationCount < ACPI_MAX_TABLE_VALIDATIONS) 598 { 599 TableDesc->ValidationCount--; 600 601 /* 602 * Detect ValidationCount underflows to ensure that the warning 603 * message will only be printed once. 604 */ 605 if (TableDesc->ValidationCount >= ACPI_MAX_TABLE_VALIDATIONS) 606 { 607 ACPI_WARNING ((AE_INFO, 608 "Table %p, Validation count underflows\n", TableDesc)); 609 return_VOID; 610 } 611 } 612 613 if (TableDesc->ValidationCount == 0) 614 { 615 /* Table need to be "INVALIDATED" */ 616 617 AcpiTbInvalidateTable (TableDesc); 618 } 619 620 return_VOID; 621 } 622