1 /******************************************************************************
3 * Module Name: tbconvrt - ACPI Table conversion utilities
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
13 * All rights reserved.
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
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
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;
38 * The above copyright and patent license is granted only if the following
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.
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
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
73 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
81 * 4. Disclaimer and Export Compliance
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
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
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.
115 *****************************************************************************/
117 #define __TBCONVRT_C__
119 #include <contrib/dev/acpica/acpi.h>
120 #include <contrib/dev/acpica/actables.h>
123 #define _COMPONENT ACPI_TABLES
124 ACPI_MODULE_NAME ("tbconvrt")
126 /* Local prototypes */
129 AcpiTbInitGenericAddress (
130 ACPI_GENERIC_ADDRESS *NewGasStruct,
131 UINT8 RegisterBitWidth,
132 ACPI_PHYSICAL_ADDRESS Address);
136 FADT_DESCRIPTOR_REV2 *LocalFadt,
137 FADT_DESCRIPTOR_REV1 *OriginalFadt);
141 FADT_DESCRIPTOR_REV2 *LocalFadt,
142 FADT_DESCRIPTOR_REV2 *OriginalFadt);
145 /*******************************************************************************
147 * FUNCTION: AcpiTbGetTableCount
149 * PARAMETERS: RSDP - Pointer to the RSDP
150 * RSDT - Pointer to the RSDT/XSDT
152 * RETURN: The number of tables pointed to by the RSDT or XSDT.
154 * DESCRIPTION: Calculate the number of tables. Automatically handles either
157 ******************************************************************************/
160 AcpiTbGetTableCount (
161 RSDP_DESCRIPTOR *RSDP,
162 ACPI_TABLE_HEADER *RSDT)
167 ACPI_FUNCTION_ENTRY ();
170 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
172 if (AcpiGbl_RootTableType == ACPI_TABLE_TYPE_RSDT)
174 PointerSize = sizeof (UINT32);
178 PointerSize = sizeof (UINT64);
182 * Determine the number of tables pointed to by the RSDT/XSDT.
183 * This is defined by the ACPI Specification to be the number of
184 * pointers contained within the RSDT/XSDT. The size of the pointers
185 * is architecture-dependent.
187 return ((RSDT->Length - sizeof (ACPI_TABLE_HEADER)) / PointerSize);
191 /*******************************************************************************
193 * FUNCTION: AcpiTbConvertToXsdt
195 * PARAMETERS: TableInfo - Info about the RSDT
199 * DESCRIPTION: Convert an RSDT to an XSDT (internal common format)
201 ******************************************************************************/
204 AcpiTbConvertToXsdt (
205 ACPI_TABLE_DESC *TableInfo)
209 XSDT_DESCRIPTOR *NewTable;
212 ACPI_FUNCTION_ENTRY ();
215 /* Compute size of the converted XSDT */
217 TableSize = ((ACPI_SIZE) AcpiGbl_RsdtTableCount * sizeof (UINT64)) +
218 sizeof (ACPI_TABLE_HEADER);
220 /* Allocate an XSDT */
222 NewTable = ACPI_MEM_CALLOCATE (TableSize);
225 return (AE_NO_MEMORY);
228 /* Copy the header and set the length */
230 ACPI_MEMCPY (NewTable, TableInfo->Pointer, sizeof (ACPI_TABLE_HEADER));
231 NewTable->Length = (UINT32) TableSize;
233 /* Copy the table pointers */
235 for (i = 0; i < AcpiGbl_RsdtTableCount; i++)
237 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
239 if (AcpiGbl_RootTableType == ACPI_TABLE_TYPE_RSDT)
241 ACPI_STORE_ADDRESS (NewTable->TableOffsetEntry[i],
242 (ACPI_CAST_PTR (RSDT_DESCRIPTOR_REV1,
243 TableInfo->Pointer))->TableOffsetEntry[i]);
247 NewTable->TableOffsetEntry[i] =
248 (ACPI_CAST_PTR (XSDT_DESCRIPTOR,
249 TableInfo->Pointer))->TableOffsetEntry[i];
253 /* Delete the original table (either mapped or in a buffer) */
255 AcpiTbDeleteSingleTable (TableInfo);
257 /* Point the table descriptor to the new table */
259 TableInfo->Pointer = ACPI_CAST_PTR (ACPI_TABLE_HEADER, NewTable);
260 TableInfo->Length = TableSize;
261 TableInfo->Allocation = ACPI_MEM_ALLOCATED;
267 /*******************************************************************************
269 * FUNCTION: AcpiTbInitGenericAddress
271 * PARAMETERS: NewGasStruct - GAS struct to be initialized
272 * RegisterBitWidth - Width of this register
273 * Address - Address of the register
277 * DESCRIPTION: Initialize a GAS structure.
279 ******************************************************************************/
282 AcpiTbInitGenericAddress (
283 ACPI_GENERIC_ADDRESS *NewGasStruct,
284 UINT8 RegisterBitWidth,
285 ACPI_PHYSICAL_ADDRESS Address)
288 ACPI_STORE_ADDRESS (NewGasStruct->Address, Address);
290 NewGasStruct->AddressSpaceId = ACPI_ADR_SPACE_SYSTEM_IO;
291 NewGasStruct->RegisterBitWidth = RegisterBitWidth;
292 NewGasStruct->RegisterBitOffset = 0;
293 NewGasStruct->AccessWidth = 0;
297 /*******************************************************************************
299 * FUNCTION: AcpiTbConvertFadt1
301 * PARAMETERS: LocalFadt - Pointer to new FADT
302 * OriginalFadt - Pointer to old FADT
304 * RETURN: None, populates LocalFadt
306 * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
308 ******************************************************************************/
312 FADT_DESCRIPTOR_REV2 *LocalFadt,
313 FADT_DESCRIPTOR_REV1 *OriginalFadt)
317 /* The BIOS stored FADT should agree with Revision 1.0 */
320 * Copy the table header and the common part of the tables.
322 * The 2.0 table is an extension of the 1.0 table, so the entire 1.0
323 * table can be copied first, then expand some fields to 64 bits.
325 ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV1));
327 /* Convert table pointers to 64-bit fields */
329 ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl, LocalFadt->V1_FirmwareCtrl);
330 ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
333 * System Interrupt Model isn't used in ACPI 2.0
334 * (LocalFadt->Reserved1 = 0;)
338 * This field is set by the OEM to convey the preferred power management
339 * profile to OSPM. It doesn't have any 1.0 equivalence. Since we don't
340 * know what kind of 32-bit system this is, we will use "unspecified".
342 LocalFadt->Prefer_PM_Profile = PM_UNSPECIFIED;
345 * Processor Performance State Control. This is the value OSPM writes to
346 * the SMI_CMD register to assume processor performance state control
347 * responsibility. There isn't any equivalence in 1.0, leave it zeroed.
349 LocalFadt->PstateCnt = 0;
352 * Support for the _CST object and C States change notification.
353 * This data item hasn't any 1.0 equivalence so leave it zero.
355 LocalFadt->CstCnt = 0;
358 * FADT Rev 2 was an interim FADT released between ACPI 1.0 and ACPI 2.0.
359 * It primarily adds the FADT reset mechanism.
361 if ((OriginalFadt->Revision == 2) &&
362 (OriginalFadt->Length == sizeof (FADT_DESCRIPTOR_REV2_MINUS)))
365 * Grab the entire generic address struct, plus the 1-byte reset value
366 * that immediately follows.
368 ACPI_MEMCPY (&LocalFadt->ResetRegister,
369 &(ACPI_CAST_PTR (FADT_DESCRIPTOR_REV2_MINUS,
370 OriginalFadt))->ResetRegister,
371 sizeof (ACPI_GENERIC_ADDRESS) + 1);
376 * Since there isn't any equivalence in 1.0 and since it is highly
377 * likely that a 1.0 system has legacy support.
379 LocalFadt->IapcBootArch = BAF_LEGACY_DEVICES;
383 * Convert the V1.0 block addresses to V2.0 GAS structures
385 AcpiTbInitGenericAddress (&LocalFadt->XPm1aEvtBlk, LocalFadt->Pm1EvtLen,
386 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aEvtBlk);
387 AcpiTbInitGenericAddress (&LocalFadt->XPm1bEvtBlk, LocalFadt->Pm1EvtLen,
388 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bEvtBlk);
389 AcpiTbInitGenericAddress (&LocalFadt->XPm1aCntBlk, LocalFadt->Pm1CntLen,
390 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aCntBlk);
391 AcpiTbInitGenericAddress (&LocalFadt->XPm1bCntBlk, LocalFadt->Pm1CntLen,
392 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bCntBlk);
393 AcpiTbInitGenericAddress (&LocalFadt->XPm2CntBlk, LocalFadt->Pm2CntLen,
394 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm2CntBlk);
395 AcpiTbInitGenericAddress (&LocalFadt->XPmTmrBlk, LocalFadt->PmTmLen,
396 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_PmTmrBlk);
397 AcpiTbInitGenericAddress (&LocalFadt->XGpe0Blk, 0,
398 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe0Blk);
399 AcpiTbInitGenericAddress (&LocalFadt->XGpe1Blk, 0,
400 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe1Blk);
402 /* Create separate GAS structs for the PM1 Enable registers */
404 AcpiTbInitGenericAddress (&AcpiGbl_XPm1aEnable,
405 (UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
406 (ACPI_PHYSICAL_ADDRESS)
407 (ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address) +
408 ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
410 /* PM1B is optional; leave null if not present */
412 if (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address))
414 AcpiTbInitGenericAddress (&AcpiGbl_XPm1bEnable,
415 (UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
416 (ACPI_PHYSICAL_ADDRESS)
417 (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address) +
418 ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
423 /*******************************************************************************
425 * FUNCTION: AcpiTbConvertFadt2
427 * PARAMETERS: LocalFadt - Pointer to new FADT
428 * OriginalFadt - Pointer to old FADT
430 * RETURN: None, populates LocalFadt
432 * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
433 * Handles optional "X" fields.
435 ******************************************************************************/
439 FADT_DESCRIPTOR_REV2 *LocalFadt,
440 FADT_DESCRIPTOR_REV2 *OriginalFadt)
443 /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
445 ACPI_MEMCPY (LocalFadt, OriginalFadt, sizeof (FADT_DESCRIPTOR_REV2));
448 * "X" fields are optional extensions to the original V1.0 fields, so
449 * we must selectively expand V1.0 fields if the corresponding X field
452 if (!(ACPI_GET_ADDRESS (LocalFadt->XFirmwareCtrl)))
454 ACPI_STORE_ADDRESS (LocalFadt->XFirmwareCtrl,
455 LocalFadt->V1_FirmwareCtrl);
458 if (!(ACPI_GET_ADDRESS (LocalFadt->XDsdt)))
460 ACPI_STORE_ADDRESS (LocalFadt->XDsdt, LocalFadt->V1_Dsdt);
463 if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address)))
465 AcpiTbInitGenericAddress (&LocalFadt->XPm1aEvtBlk,
466 LocalFadt->Pm1EvtLen,
467 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aEvtBlk);
470 if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address)))
472 AcpiTbInitGenericAddress (&LocalFadt->XPm1bEvtBlk,
473 LocalFadt->Pm1EvtLen,
474 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bEvtBlk);
477 if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1aCntBlk.Address)))
479 AcpiTbInitGenericAddress (&LocalFadt->XPm1aCntBlk,
480 LocalFadt->Pm1CntLen,
481 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1aCntBlk);
484 if (!(ACPI_GET_ADDRESS (LocalFadt->XPm1bCntBlk.Address)))
486 AcpiTbInitGenericAddress (&LocalFadt->XPm1bCntBlk,
487 LocalFadt->Pm1CntLen,
488 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm1bCntBlk);
491 if (!(ACPI_GET_ADDRESS (LocalFadt->XPm2CntBlk.Address)))
493 AcpiTbInitGenericAddress (&LocalFadt->XPm2CntBlk,
494 LocalFadt->Pm2CntLen,
495 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Pm2CntBlk);
498 if (!(ACPI_GET_ADDRESS (LocalFadt->XPmTmrBlk.Address)))
500 AcpiTbInitGenericAddress (&LocalFadt->XPmTmrBlk,
502 (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_PmTmrBlk);
505 if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe0Blk.Address)))
507 AcpiTbInitGenericAddress (&LocalFadt->XGpe0Blk,
508 0, (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe0Blk);
511 if (!(ACPI_GET_ADDRESS (LocalFadt->XGpe1Blk.Address)))
513 AcpiTbInitGenericAddress (&LocalFadt->XGpe1Blk,
514 0, (ACPI_PHYSICAL_ADDRESS) LocalFadt->V1_Gpe1Blk);
517 /* Create separate GAS structs for the PM1 Enable registers */
519 AcpiTbInitGenericAddress (&AcpiGbl_XPm1aEnable,
520 (UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
521 (ACPI_PHYSICAL_ADDRESS)
522 (ACPI_GET_ADDRESS (LocalFadt->XPm1aEvtBlk.Address) +
523 ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
525 AcpiGbl_XPm1aEnable.AddressSpaceId =
526 LocalFadt->XPm1aEvtBlk.AddressSpaceId;
528 /* PM1B is optional; leave null if not present */
530 if (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address))
532 AcpiTbInitGenericAddress (&AcpiGbl_XPm1bEnable,
533 (UINT8) ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen),
534 (ACPI_PHYSICAL_ADDRESS)
535 (ACPI_GET_ADDRESS (LocalFadt->XPm1bEvtBlk.Address) +
536 ACPI_DIV_2 (AcpiGbl_FADT->Pm1EvtLen)));
538 AcpiGbl_XPm1bEnable.AddressSpaceId =
539 LocalFadt->XPm1bEvtBlk.AddressSpaceId;
544 /*******************************************************************************
546 * FUNCTION: AcpiTbConvertTableFadt
552 * DESCRIPTION: Converts a BIOS supplied ACPI 1.0 FADT to a local
553 * ACPI 2.0 FADT. If the BIOS supplied a 2.0 FADT then it is simply
554 * copied to the local FADT. The ACPI CA software uses this
555 * local FADT. Thus a significant amount of special #ifdef
556 * type codeing is saved.
558 ******************************************************************************/
561 AcpiTbConvertTableFadt (
564 FADT_DESCRIPTOR_REV2 *LocalFadt;
565 ACPI_TABLE_DESC *TableDesc;
568 ACPI_FUNCTION_TRACE ("TbConvertTableFadt");
572 * AcpiGbl_FADT is valid. Validate the FADT length. The table must be
573 * at least as long as the version 1.0 FADT
575 if (AcpiGbl_FADT->Length < sizeof (FADT_DESCRIPTOR_REV1))
577 ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n",
578 AcpiGbl_FADT->Length));
579 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
582 /* Allocate buffer for the ACPI 2.0(+) FADT */
584 LocalFadt = ACPI_MEM_CALLOCATE (sizeof (FADT_DESCRIPTOR_REV2));
587 return_ACPI_STATUS (AE_NO_MEMORY);
590 if (AcpiGbl_FADT->Revision >= FADT2_REVISION_ID)
592 if (AcpiGbl_FADT->Length < sizeof (FADT_DESCRIPTOR_REV2))
594 /* Length is too short to be a V2.0 table */
596 ACPI_REPORT_WARNING ((
597 "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
598 AcpiGbl_FADT->Length, AcpiGbl_FADT->Revision));
600 AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
604 /* Valid V2.0 table */
606 AcpiTbConvertFadt2 (LocalFadt, AcpiGbl_FADT);
611 /* Valid V1.0 table */
613 AcpiTbConvertFadt1 (LocalFadt, (void *) AcpiGbl_FADT);
616 /* Global FADT pointer will point to the new common V2.0 FADT */
618 AcpiGbl_FADT = LocalFadt;
619 AcpiGbl_FADT->Length = sizeof (FADT_DESCRIPTOR);
621 /* Free the original table */
623 TableDesc = AcpiGbl_TableLists[ACPI_TABLE_FADT].Next;
624 AcpiTbDeleteSingleTable (TableDesc);
626 /* Install the new table */
628 TableDesc->Pointer = ACPI_CAST_PTR (ACPI_TABLE_HEADER, AcpiGbl_FADT);
629 TableDesc->Allocation = ACPI_MEM_ALLOCATED;
630 TableDesc->Length = sizeof (FADT_DESCRIPTOR_REV2);
632 /* Dump the entire FADT */
634 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
635 "Hex dump of common internal FADT, size %d (%X)\n",
636 AcpiGbl_FADT->Length, AcpiGbl_FADT->Length));
637 ACPI_DUMP_BUFFER ((UINT8 *) (AcpiGbl_FADT), AcpiGbl_FADT->Length);
639 return_ACPI_STATUS (AE_OK);
643 /*******************************************************************************
645 * FUNCTION: AcpiTbBuildCommonFacs
647 * PARAMETERS: TableInfo - Info for currently installed FACS
651 * DESCRIPTION: Convert ACPI 1.0 and ACPI 2.0 FACS to a common internal
654 ******************************************************************************/
657 AcpiTbBuildCommonFacs (
658 ACPI_TABLE_DESC *TableInfo)
661 ACPI_FUNCTION_TRACE ("TbBuildCommonFacs");
664 /* Absolute minimum length is 24, but the ACPI spec says 64 */
666 if (AcpiGbl_FACS->Length < 24)
668 ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n",
669 AcpiGbl_FACS->Length));
670 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
673 if (AcpiGbl_FACS->Length < 64)
675 ACPI_REPORT_WARNING ((
676 "FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
677 AcpiGbl_FACS->Length));
680 /* Copy fields to the new FACS */
682 AcpiGbl_CommonFACS.GlobalLock = &(AcpiGbl_FACS->GlobalLock);
684 if ((AcpiGbl_RSDP->Revision < 2) ||
685 (AcpiGbl_FACS->Length < 32) ||
686 (!(ACPI_GET_ADDRESS (AcpiGbl_FACS->XFirmwareWakingVector))))
688 /* ACPI 1.0 FACS or short table or optional X_ field is zero */
690 AcpiGbl_CommonFACS.FirmwareWakingVector = ACPI_CAST_PTR (UINT64,
691 &(AcpiGbl_FACS->FirmwareWakingVector));
692 AcpiGbl_CommonFACS.VectorWidth = 32;
696 /* ACPI 2.0 FACS with valid X_ field */
698 AcpiGbl_CommonFACS.FirmwareWakingVector = &AcpiGbl_FACS->XFirmwareWakingVector;
699 AcpiGbl_CommonFACS.VectorWidth = 64;
702 return_ACPI_STATUS (AE_OK);