1 /******************************************************************************
3 * Module Name: tbfadt - FADT table utilities
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2021, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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41 * POSSIBILITY OF SUCH DAMAGES.
48 #define _COMPONENT ACPI_TABLES
49 ACPI_MODULE_NAME ("tbfadt")
51 /* Local prototypes */
54 AcpiTbInitGenericAddress (
55 ACPI_GENERIC_ADDRESS
*GenericAddress
,
59 const char *RegisterName
,
67 AcpiTbSetupFadtRegisters (
77 /* Table for conversion of FADT to common internal format and FADT validation */
79 typedef struct acpi_fadt_info
90 #define ACPI_FADT_OPTIONAL 0
91 #define ACPI_FADT_REQUIRED 1
92 #define ACPI_FADT_SEPARATE_LENGTH 2
93 #define ACPI_FADT_GPE_REGISTER 4
95 static ACPI_FADT_INFO FadtInfoTable
[] =
98 ACPI_FADT_OFFSET (XPm1aEventBlock
),
99 ACPI_FADT_OFFSET (Pm1aEventBlock
),
100 ACPI_FADT_OFFSET (Pm1EventLength
),
101 ACPI_PM1_REGISTER_WIDTH
* 2, /* Enable + Status register */
105 ACPI_FADT_OFFSET (XPm1bEventBlock
),
106 ACPI_FADT_OFFSET (Pm1bEventBlock
),
107 ACPI_FADT_OFFSET (Pm1EventLength
),
108 ACPI_PM1_REGISTER_WIDTH
* 2, /* Enable + Status register */
112 ACPI_FADT_OFFSET (XPm1aControlBlock
),
113 ACPI_FADT_OFFSET (Pm1aControlBlock
),
114 ACPI_FADT_OFFSET (Pm1ControlLength
),
115 ACPI_PM1_REGISTER_WIDTH
,
119 ACPI_FADT_OFFSET (XPm1bControlBlock
),
120 ACPI_FADT_OFFSET (Pm1bControlBlock
),
121 ACPI_FADT_OFFSET (Pm1ControlLength
),
122 ACPI_PM1_REGISTER_WIDTH
,
126 ACPI_FADT_OFFSET (XPm2ControlBlock
),
127 ACPI_FADT_OFFSET (Pm2ControlBlock
),
128 ACPI_FADT_OFFSET (Pm2ControlLength
),
129 ACPI_PM2_REGISTER_WIDTH
,
130 ACPI_FADT_SEPARATE_LENGTH
},
133 ACPI_FADT_OFFSET (XPmTimerBlock
),
134 ACPI_FADT_OFFSET (PmTimerBlock
),
135 ACPI_FADT_OFFSET (PmTimerLength
),
137 ACPI_FADT_SEPARATE_LENGTH
}, /* ACPI 5.0A: Timer is optional */
140 ACPI_FADT_OFFSET (XGpe0Block
),
141 ACPI_FADT_OFFSET (Gpe0Block
),
142 ACPI_FADT_OFFSET (Gpe0BlockLength
),
144 ACPI_FADT_SEPARATE_LENGTH
| ACPI_FADT_GPE_REGISTER
},
147 ACPI_FADT_OFFSET (XGpe1Block
),
148 ACPI_FADT_OFFSET (Gpe1Block
),
149 ACPI_FADT_OFFSET (Gpe1BlockLength
),
151 ACPI_FADT_SEPARATE_LENGTH
| ACPI_FADT_GPE_REGISTER
}
154 #define ACPI_FADT_INFO_ENTRIES \
155 (sizeof (FadtInfoTable) / sizeof (ACPI_FADT_INFO))
158 /* Table used to split Event Blocks into separate status/enable registers */
160 typedef struct acpi_fadt_pm_info
162 ACPI_GENERIC_ADDRESS
*Target
;
168 static ACPI_FADT_PM_INFO FadtPmInfoTable
[] =
170 {&AcpiGbl_XPm1aStatus
,
171 ACPI_FADT_OFFSET (XPm1aEventBlock
),
174 {&AcpiGbl_XPm1aEnable
,
175 ACPI_FADT_OFFSET (XPm1aEventBlock
),
178 {&AcpiGbl_XPm1bStatus
,
179 ACPI_FADT_OFFSET (XPm1bEventBlock
),
182 {&AcpiGbl_XPm1bEnable
,
183 ACPI_FADT_OFFSET (XPm1bEventBlock
),
187 #define ACPI_FADT_PM_INFO_ENTRIES \
188 (sizeof (FadtPmInfoTable) / sizeof (ACPI_FADT_PM_INFO))
191 /*******************************************************************************
193 * FUNCTION: AcpiTbInitGenericAddress
195 * PARAMETERS: GenericAddress - GAS struct to be initialized
196 * SpaceId - ACPI Space ID for this register
197 * ByteWidth - Width of this register
198 * Address - Address of the register
199 * RegisterName - ASCII name of the ACPI register
203 * DESCRIPTION: Initialize a Generic Address Structure (GAS)
204 * See the ACPI specification for a full description and
205 * definition of this structure.
207 ******************************************************************************/
210 AcpiTbInitGenericAddress (
211 ACPI_GENERIC_ADDRESS
*GenericAddress
,
215 const char *RegisterName
,
222 * Bit width field in the GAS is only one byte long, 255 max.
223 * Check for BitWidth overflow in GAS.
225 BitWidth
= (UINT8
) (ByteWidth
* 8);
226 if (ByteWidth
> 31) /* (31*8)=248, (32*8)=256 */
229 * No error for GPE blocks, because we do not use the BitWidth
230 * for GPEs, the legacy length (ByteWidth) is used instead to
231 * allow for a large number of GPEs.
233 if (!(Flags
& ACPI_FADT_GPE_REGISTER
))
235 ACPI_ERROR ((AE_INFO
,
236 "%s - 32-bit FADT register is too long (%u bytes, %u bits) "
237 "to convert to GAS struct - 255 bits max, truncating",
238 RegisterName
, ByteWidth
, (ByteWidth
* 8)));
245 * The 64-bit Address field is non-aligned in the byte packed
248 ACPI_MOVE_64_TO_64 (&GenericAddress
->Address
, &Address
);
250 /* All other fields are byte-wide */
252 GenericAddress
->SpaceId
= SpaceId
;
253 GenericAddress
->BitWidth
= BitWidth
;
254 GenericAddress
->BitOffset
= 0;
255 GenericAddress
->AccessWidth
= 0; /* Access width ANY */
259 /*******************************************************************************
261 * FUNCTION: AcpiTbSelectAddress
263 * PARAMETERS: RegisterName - ASCII name of the ACPI register
264 * Address32 - 32-bit address of the register
265 * Address64 - 64-bit address of the register
267 * RETURN: The resolved 64-bit address
269 * DESCRIPTION: Select between 32-bit and 64-bit versions of addresses within
270 * the FADT. Used for the FACS and DSDT addresses.
274 * Check for FACS and DSDT address mismatches. An address mismatch between
275 * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and
276 * DSDT/X_DSDT) could be a corrupted address field or it might indicate
277 * the presence of two FACS or two DSDT tables.
280 * By default, as per the ACPICA specification, a valid 64-bit address is
281 * used regardless of the value of the 32-bit address. However, this
282 * behavior can be overridden via the AcpiGbl_Use32BitFadtAddresses flag.
284 ******************************************************************************/
287 AcpiTbSelectAddress (
295 /* 64-bit address is zero, use 32-bit address */
297 return ((UINT64
) Address32
);
301 (Address64
!= (UINT64
) Address32
))
303 /* Address mismatch between 32-bit and 64-bit versions */
305 ACPI_BIOS_WARNING ((AE_INFO
,
306 "32/64X %s address mismatch in FADT: "
307 "0x%8.8X/0x%8.8X%8.8X, using %u-bit address",
308 RegisterName
, Address32
, ACPI_FORMAT_UINT64 (Address64
),
309 AcpiGbl_Use32BitFadtAddresses
? 32 : 64));
311 /* 32-bit address override */
313 if (AcpiGbl_Use32BitFadtAddresses
)
315 return ((UINT64
) Address32
);
319 /* Default is to use the 64-bit address */
325 /*******************************************************************************
327 * FUNCTION: AcpiTbParseFadt
333 * DESCRIPTION: Initialize the FADT, DSDT and FACS tables
334 * (FADT contains the addresses of the DSDT and FACS)
336 ******************************************************************************/
343 ACPI_TABLE_HEADER
*Table
;
344 ACPI_TABLE_DESC
*FadtDesc
;
349 * The FADT has multiple versions with different lengths,
350 * and it contains pointers to both the DSDT and FACS tables.
352 * Get a local copy of the FADT and convert it to a common format
353 * Map entire FADT, assumed to be smaller than one page.
355 FadtDesc
= &AcpiGbl_RootTableList
.Tables
[AcpiGbl_FadtIndex
];
356 Status
= AcpiTbGetTable (FadtDesc
, &Table
);
357 if (ACPI_FAILURE (Status
))
361 Length
= FadtDesc
->Length
;
364 * Validate the FADT checksum before we copy the table. Ignore
365 * checksum error as we want to try to get the DSDT and FACS.
367 (void) AcpiTbVerifyChecksum (Table
, Length
);
369 /* Create a local copy of the FADT in common ACPI 2.0+ format */
371 AcpiTbCreateLocalFadt (Table
, Length
);
373 /* All done with the real FADT, unmap it */
375 AcpiTbPutTable (FadtDesc
);
377 /* Obtain the DSDT and FACS tables via their addresses within the FADT */
379 AcpiTbInstallStandardTable (
380 (ACPI_PHYSICAL_ADDRESS
) AcpiGbl_FADT
.XDsdt
,
381 ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL
, FALSE
, TRUE
,
384 /* If Hardware Reduced flag is set, there is no FACS */
386 if (!AcpiGbl_ReducedHardware
)
388 if (AcpiGbl_FADT
.Facs
)
390 AcpiTbInstallStandardTable (
391 (ACPI_PHYSICAL_ADDRESS
) AcpiGbl_FADT
.Facs
,
392 ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL
, FALSE
, TRUE
,
395 if (AcpiGbl_FADT
.XFacs
)
397 AcpiTbInstallStandardTable (
398 (ACPI_PHYSICAL_ADDRESS
) AcpiGbl_FADT
.XFacs
,
399 ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL
, FALSE
, TRUE
,
400 &AcpiGbl_XFacsIndex
);
406 /*******************************************************************************
408 * FUNCTION: AcpiTbCreateLocalFadt
410 * PARAMETERS: Table - Pointer to BIOS FADT
411 * Length - Length of the table
415 * DESCRIPTION: Get a local copy of the FADT and convert it to a common format.
416 * Performs validation on some important FADT fields.
418 * NOTE: We create a local copy of the FADT regardless of the version.
420 ******************************************************************************/
423 AcpiTbCreateLocalFadt (
424 ACPI_TABLE_HEADER
*Table
,
429 * Check if the FADT is larger than the largest table that we expect
430 * (typically the current ACPI specification version). If so, truncate
431 * the table, and issue a warning.
433 if (Length
> sizeof (ACPI_TABLE_FADT
))
435 ACPI_BIOS_WARNING ((AE_INFO
,
436 "FADT (revision %u) is longer than %s length, "
437 "truncating length %u to %u",
438 Table
->Revision
, ACPI_FADT_CONFORMANCE
, Length
,
439 (UINT32
) sizeof (ACPI_TABLE_FADT
)));
442 /* Clear the entire local FADT */
444 memset (&AcpiGbl_FADT
, 0, sizeof (ACPI_TABLE_FADT
));
446 /* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */
448 memcpy (&AcpiGbl_FADT
, Table
,
449 ACPI_MIN (Length
, sizeof (ACPI_TABLE_FADT
)));
451 /* Take a copy of the Hardware Reduced flag */
453 AcpiGbl_ReducedHardware
= FALSE
;
454 if (AcpiGbl_FADT
.Flags
& ACPI_FADT_HW_REDUCED
)
456 AcpiGbl_ReducedHardware
= TRUE
;
459 /* Convert the local copy of the FADT to the common internal format */
461 AcpiTbConvertFadt ();
463 /* Initialize the global ACPI register structures */
465 AcpiTbSetupFadtRegisters ();
469 /*******************************************************************************
471 * FUNCTION: AcpiTbConvertFadt
473 * PARAMETERS: None - AcpiGbl_FADT is used.
477 * DESCRIPTION: Converts all versions of the FADT to a common internal format.
478 * Expand 32-bit addresses to 64-bit as necessary. Also validate
479 * important fields within the FADT.
481 * NOTE: AcpiGbl_FADT must be of size (ACPI_TABLE_FADT), and must
482 * contain a copy of the actual BIOS-provided FADT.
484 * Notes on 64-bit register addresses:
486 * After this FADT conversion, later ACPICA code will only use the 64-bit "X"
487 * fields of the FADT for all ACPI register addresses.
489 * The 64-bit X fields are optional extensions to the original 32-bit FADT
490 * V1.0 fields. Even if they are present in the FADT, they are optional and
491 * are unused if the BIOS sets them to zero. Therefore, we must copy/expand
492 * 32-bit V1.0 fields to the 64-bit X fields if the 64-bit X field is originally
495 * For ACPI 1.0 FADTs (that contain no 64-bit addresses), all 32-bit address
496 * fields are expanded to the corresponding 64-bit X fields in the internal
499 * For ACPI 2.0+ FADTs, all valid (non-zero) 32-bit address fields are expanded
500 * to the corresponding 64-bit X fields, if the 64-bit field is originally
501 * zero. Adhering to the ACPI specification, we completely ignore the 32-bit
502 * field if the 64-bit field is valid, regardless of whether the host OS is
505 * Possible additional checks:
506 * (AcpiGbl_FADT.Pm1EventLength >= 4)
507 * (AcpiGbl_FADT.Pm1ControlLength >= 2)
508 * (AcpiGbl_FADT.PmTimerLength >= 4)
509 * Gpe block lengths must be multiple of 2
511 ******************************************************************************/
518 ACPI_GENERIC_ADDRESS
*Address64
;
526 * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which
527 * should be zero are indeed zero. This will workaround BIOSs that
528 * inadvertently place values in these fields.
530 * The ACPI 1.0 reserved fields that will be zeroed are the bytes located
531 * at offset 45, 55, 95, and the word located at offset 109, 110.
533 * Note: The FADT revision value is unreliable. Only the length can be
536 if (AcpiGbl_FADT
.Header
.Length
<= ACPI_FADT_V2_SIZE
)
538 AcpiGbl_FADT
.PreferredProfile
= 0;
539 AcpiGbl_FADT
.PstateControl
= 0;
540 AcpiGbl_FADT
.CstControl
= 0;
541 AcpiGbl_FADT
.BootFlags
= 0;
545 * Now we can update the local FADT length to the length of the
546 * current FADT version as defined by the ACPI specification.
547 * Thus, we will have a common FADT internally.
549 AcpiGbl_FADT
.Header
.Length
= sizeof (ACPI_TABLE_FADT
);
552 * Expand the 32-bit DSDT addresses to 64-bit as necessary.
553 * Later ACPICA code will always use the X 64-bit field.
555 AcpiGbl_FADT
.XDsdt
= AcpiTbSelectAddress ("DSDT",
556 AcpiGbl_FADT
.Dsdt
, AcpiGbl_FADT
.XDsdt
);
558 /* If Hardware Reduced flag is set, we are all done */
560 if (AcpiGbl_ReducedHardware
)
565 /* Examine all of the 64-bit extended address fields (X fields) */
567 for (i
= 0; i
< ACPI_FADT_INFO_ENTRIES
; i
++)
570 * Get the 32-bit and 64-bit addresses, as well as the register
571 * length and register name.
573 Address32
= *ACPI_ADD_PTR (UINT32
,
574 &AcpiGbl_FADT
, FadtInfoTable
[i
].Address32
);
576 Address64
= ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS
,
577 &AcpiGbl_FADT
, FadtInfoTable
[i
].Address64
);
579 Length
= *ACPI_ADD_PTR (UINT8
,
580 &AcpiGbl_FADT
, FadtInfoTable
[i
].Length
);
582 Name
= FadtInfoTable
[i
].Name
;
583 Flags
= FadtInfoTable
[i
].Flags
;
586 * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
587 * generic address structures as necessary. Later code will always use
588 * the 64-bit address structures.
591 * Now always use the 64-bit address if it is valid (non-zero), in
592 * accordance with the ACPI specification which states that a 64-bit
593 * address supersedes the 32-bit version. This behavior can be
594 * overridden by the AcpiGbl_Use32BitFadtAddresses flag.
596 * During 64-bit address construction and verification,
597 * these cases are handled:
599 * Address32 zero, Address64 [don't care] - Use Address64
601 * No override: if AcpiGbl_Use32BitFadtAddresses is FALSE, and:
602 * Address32 non-zero, Address64 zero - Copy/use Address32
603 * Address32 non-zero == Address64 non-zero - Use Address64
604 * Address32 non-zero != Address64 non-zero - Warning, use Address64
606 * Override: if AcpiGbl_Use32BitFadtAddresses is TRUE, and:
607 * Address32 non-zero, Address64 zero - Copy/use Address32
608 * Address32 non-zero == Address64 non-zero - Copy/use Address32
609 * Address32 non-zero != Address64 non-zero - Warning, copy/use Address32
611 * Note: SpaceId is always I/O for 32-bit legacy address fields
615 if (Address64
->Address
)
617 if (Address64
->Address
!= (UINT64
) Address32
)
619 /* Address mismatch */
621 ACPI_BIOS_WARNING ((AE_INFO
,
622 "32/64X address mismatch in FADT/%s: "
623 "0x%8.8X/0x%8.8X%8.8X, using %u-bit address",
625 ACPI_FORMAT_UINT64 (Address64
->Address
),
626 AcpiGbl_Use32BitFadtAddresses
? 32 : 64));
630 * For each extended field, check for length mismatch
631 * between the legacy length field and the corresponding
632 * 64-bit X length field.
633 * Note: If the legacy length field is > 0xFF bits, ignore
634 * this check. (GPE registers can be larger than the
635 * 64-bit GAS structure can accommodate, 0xFF bits).
637 if ((ACPI_MUL_8 (Length
) <= ACPI_UINT8_MAX
) &&
638 (Address64
->BitWidth
!= ACPI_MUL_8 (Length
)))
640 ACPI_BIOS_WARNING ((AE_INFO
,
641 "32/64X length mismatch in FADT/%s: %u/%u",
642 Name
, ACPI_MUL_8 (Length
), Address64
->BitWidth
));
647 * Hardware register access code always uses the 64-bit fields.
648 * So if the 64-bit field is zero or is to be overridden,
649 * initialize it with the 32-bit fields.
650 * Note that when the 32-bit address favor is specified, the
651 * 64-bit fields are always re-initialized so that
652 * AccessSize/BitWidth/BitOffset fields can be correctly
653 * configured to the values to trigger a 32-bit compatible
654 * access mode in the hardware register access code.
656 if (!Address64
->Address
|| AcpiGbl_Use32BitFadtAddresses
)
658 AcpiTbInitGenericAddress (Address64
,
659 ACPI_ADR_SPACE_SYSTEM_IO
, Length
,
660 (UINT64
) Address32
, Name
, Flags
);
664 if (FadtInfoTable
[i
].Flags
& ACPI_FADT_REQUIRED
)
667 * Field is required (PM1aEvent, PM1aControl).
668 * Both the address and length must be non-zero.
670 if (!Address64
->Address
|| !Length
)
672 ACPI_BIOS_ERROR ((AE_INFO
,
673 "Required FADT field %s has zero address and/or length: "
675 Name
, ACPI_FORMAT_UINT64 (Address64
->Address
), Length
));
678 else if (FadtInfoTable
[i
].Flags
& ACPI_FADT_SEPARATE_LENGTH
)
681 * Field is optional (PM2Control, GPE0, GPE1) AND has its own
682 * length field. If present, both the address and length must
685 if ((Address64
->Address
&& !Length
) ||
686 (!Address64
->Address
&& Length
))
688 ACPI_BIOS_WARNING ((AE_INFO
,
689 "Optional FADT field %s has valid %s but zero %s: "
690 "0x%8.8X%8.8X/0x%X", Name
,
691 (Length
? "Length" : "Address"),
692 (Length
? "Address": "Length"),
693 ACPI_FORMAT_UINT64 (Address64
->Address
), Length
));
700 /*******************************************************************************
702 * FUNCTION: AcpiTbSetupFadtRegisters
704 * PARAMETERS: None, uses AcpiGbl_FADT.
708 * DESCRIPTION: Initialize global ACPI PM1 register definitions. Optionally,
709 * force FADT register definitions to their default lengths.
711 ******************************************************************************/
714 AcpiTbSetupFadtRegisters (
717 ACPI_GENERIC_ADDRESS
*Target64
;
718 ACPI_GENERIC_ADDRESS
*Source64
;
719 UINT8 Pm1RegisterByteWidth
;
724 * Optionally check all register lengths against the default values and
725 * update them if they are incorrect.
727 if (AcpiGbl_UseDefaultRegisterWidths
)
729 for (i
= 0; i
< ACPI_FADT_INFO_ENTRIES
; i
++)
731 Target64
= ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS
, &AcpiGbl_FADT
,
732 FadtInfoTable
[i
].Address64
);
735 * If a valid register (Address != 0) and the (DefaultLength > 0)
736 * (Not a GPE register), then check the width against the default.
738 if ((Target64
->Address
) &&
739 (FadtInfoTable
[i
].DefaultLength
> 0) &&
740 (FadtInfoTable
[i
].DefaultLength
!= Target64
->BitWidth
))
742 ACPI_BIOS_WARNING ((AE_INFO
,
743 "Invalid length for FADT/%s: %u, using default %u",
744 FadtInfoTable
[i
].Name
, Target64
->BitWidth
,
745 FadtInfoTable
[i
].DefaultLength
));
747 /* Incorrect size, set width to the default */
749 Target64
->BitWidth
= FadtInfoTable
[i
].DefaultLength
;
755 * Get the length of the individual PM1 registers (enable and status).
756 * Each register is defined to be (event block length / 2). Extra divide
757 * by 8 converts bits to bytes.
759 Pm1RegisterByteWidth
= (UINT8
)
760 ACPI_DIV_16 (AcpiGbl_FADT
.XPm1aEventBlock
.BitWidth
);
763 * Calculate separate GAS structs for the PM1x (A/B) Status and Enable
764 * registers. These addresses do not appear (directly) in the FADT, so it
765 * is useful to pre-calculate them from the PM1 Event Block definitions.
767 * The PM event blocks are split into two register blocks, first is the
768 * PM Status Register block, followed immediately by the PM Enable
769 * Register block. Each is of length (Pm1EventLength/2)
771 * Note: The PM1A event block is required by the ACPI specification.
772 * However, the PM1B event block is optional and is rarely, if ever,
776 for (i
= 0; i
< ACPI_FADT_PM_INFO_ENTRIES
; i
++)
778 Source64
= ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS
, &AcpiGbl_FADT
,
779 FadtPmInfoTable
[i
].Source
);
781 if (Source64
->Address
)
783 AcpiTbInitGenericAddress (FadtPmInfoTable
[i
].Target
,
784 Source64
->SpaceId
, Pm1RegisterByteWidth
,
786 (FadtPmInfoTable
[i
].RegisterNum
* Pm1RegisterByteWidth
),