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review.coreboot.org / coreboot / 43b7f416783ccc98952a4eb5f9274907442b03e5 / . / src / vendorcode / intel / edk2 / edk2-stable202005 / MdePkg / Include / IndustryStandard / Acpi10.h
blob: d1398018aef936cfa029436de674fd8ea4f8e018 [file] [log] [blame]
Jonathan Zhang6d277782020-06-09 17:56:53 -0700[diff] [blame]1/** @file
2 ACPI 1.0b definitions from the ACPI Specification, revision 1.0b
3
4Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
5SPDX-License-Identifier: BSD-2-Clause-Patent
6**/
7
8#ifndef _ACPI_1_0_H_
9#define _ACPI_1_0_H_
10
11#include <IndustryStandard/AcpiAml.h>
12
13///
14/// Common table header, this prefaces all ACPI tables, including FACS, but
15/// excluding the RSD PTR structure.
16///
17typedef struct {
18 UINT32 Signature;
19 UINT32 Length;
20} EFI_ACPI_COMMON_HEADER;
21
22#pragma pack(1)
23///
24/// The common ACPI description table header. This structure prefaces most ACPI tables.
25///
26typedef struct {
27 UINT32 Signature;
28 UINT32 Length;
29 UINT8 Revision;
30 UINT8 Checksum;
31 UINT8 OemId[6];
32 UINT64 OemTableId;
33 UINT32 OemRevision;
34 UINT32 CreatorId;
35 UINT32 CreatorRevision;
36} EFI_ACPI_DESCRIPTION_HEADER;
37#pragma pack()
38
39//
40// Define for Descriptor
41//
42#define ACPI_SMALL_ITEM_FLAG 0x00
43#define ACPI_LARGE_ITEM_FLAG 0x01
44
45//
46// Small Item Descriptor Name
47//
48#define ACPI_SMALL_IRQ_DESCRIPTOR_NAME 0x04
49#define ACPI_SMALL_DMA_DESCRIPTOR_NAME 0x05
50#define ACPI_SMALL_START_DEPENDENT_DESCRIPTOR_NAME 0x06
51#define ACPI_SMALL_END_DEPENDENT_DESCRIPTOR_NAME 0x07
52#define ACPI_SMALL_IO_PORT_DESCRIPTOR_NAME 0x08
53#define ACPI_SMALL_FIXED_IO_PORT_DESCRIPTOR_NAME 0x09
54#define ACPI_SMALL_VENDOR_DEFINED_DESCRIPTOR_NAME 0x0E
55#define ACPI_SMALL_END_TAG_DESCRIPTOR_NAME 0x0F
56
57//
58// Large Item Descriptor Name
59//
60#define ACPI_LARGE_24_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x01
61#define ACPI_LARGE_VENDOR_DEFINED_DESCRIPTOR_NAME 0x04
62#define ACPI_LARGE_32_BIT_MEMORY_RANGE_DESCRIPTOR_NAME 0x05
63#define ACPI_LARGE_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR_NAME 0x06
64#define ACPI_LARGE_DWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x07
65#define ACPI_LARGE_WORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x08
66#define ACPI_LARGE_EXTENDED_IRQ_DESCRIPTOR_NAME 0x09
67#define ACPI_LARGE_QWORD_ADDRESS_SPACE_DESCRIPTOR_NAME 0x0A
68
69//
70// Small Item Descriptor Value
71//
72#define ACPI_IRQ_NOFLAG_DESCRIPTOR 0x22
73#define ACPI_IRQ_DESCRIPTOR 0x23
74#define ACPI_DMA_DESCRIPTOR 0x2A
75#define ACPI_START_DEPENDENT_DESCRIPTOR 0x30
76#define ACPI_START_DEPENDENT_EX_DESCRIPTOR 0x31
77#define ACPI_END_DEPENDENT_DESCRIPTOR 0x38
78#define ACPI_IO_PORT_DESCRIPTOR 0x47
79#define ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR 0x4B
80#define ACPI_END_TAG_DESCRIPTOR 0x79
81
82//
83// Large Item Descriptor Value
84//
85#define ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR 0x81
86#define ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR 0x85
87#define ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR 0x86
88#define ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR 0x87
89#define ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR 0x88
90#define ACPI_EXTENDED_INTERRUPT_DESCRIPTOR 0x89
91#define ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR 0x8A
92#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
93
94//
95// Resource Type
96//
97#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00
98#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01
99#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02
100
101///
102/// Power Management Timer frequency is fixed at 3.579545MHz.
103///
104#define ACPI_TIMER_FREQUENCY 3579545
105
106//
107// Ensure proper structure formats
108//
109#pragma pack(1)
110
111///
112/// The common definition of QWORD, DWORD, and WORD
113/// Address Space Descriptors.
114///
115typedef PACKED struct {
116 UINT8 Desc;
117 UINT16 Len;
118 UINT8 ResType;
119 UINT8 GenFlag;
120 UINT8 SpecificFlag;
121 UINT64 AddrSpaceGranularity;
122 UINT64 AddrRangeMin;
123 UINT64 AddrRangeMax;
124 UINT64 AddrTranslationOffset;
125 UINT64 AddrLen;
126} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
127
128typedef PACKED union {
129 UINT8 Byte;
130 PACKED struct {
131 UINT8 Length : 3;
132 UINT8 Name : 4;
133 UINT8 Type : 1;
134 } Bits;
135} ACPI_SMALL_RESOURCE_HEADER;
136
137typedef PACKED struct {
138 PACKED union {
139 UINT8 Byte;
140 PACKED struct {
141 UINT8 Name : 7;
142 UINT8 Type : 1;
143 }Bits;
144 } Header;
145 UINT16 Length;
146} ACPI_LARGE_RESOURCE_HEADER;
147
148///
149/// IRQ Descriptor.
150///
151typedef PACKED struct {
152 ACPI_SMALL_RESOURCE_HEADER Header;
153 UINT16 Mask;
154} EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR;
155
156///
157/// IRQ Descriptor.
158///
159typedef PACKED struct {
160 ACPI_SMALL_RESOURCE_HEADER Header;
161 UINT16 Mask;
162 UINT8 Information;
163} EFI_ACPI_IRQ_DESCRIPTOR;
164
165///
166/// DMA Descriptor.
167///
168typedef PACKED struct {
169 ACPI_SMALL_RESOURCE_HEADER Header;
170 UINT8 ChannelMask;
171 UINT8 Information;
172} EFI_ACPI_DMA_DESCRIPTOR;
173
174///
175/// I/O Port Descriptor
176///
177typedef PACKED struct {
178 ACPI_SMALL_RESOURCE_HEADER Header;
179 UINT8 Information;
180 UINT16 BaseAddressMin;
181 UINT16 BaseAddressMax;
182 UINT8 Alignment;
183 UINT8 Length;
184} EFI_ACPI_IO_PORT_DESCRIPTOR;
185
186///
187/// Fixed Location I/O Port Descriptor.
188///
189typedef PACKED struct {
190 ACPI_SMALL_RESOURCE_HEADER Header;
191 UINT16 BaseAddress;
192 UINT8 Length;
193} EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR;
194
195///
196/// 24-Bit Memory Range Descriptor
197///
198typedef PACKED struct {
199 ACPI_LARGE_RESOURCE_HEADER Header;
200 UINT8 Information;
201 UINT16 BaseAddressMin;
202 UINT16 BaseAddressMax;
203 UINT16 Alignment;
204 UINT16 Length;
205} EFI_ACPI_24_BIT_MEMORY_RANGE_DESCRIPTOR;
206
207///
208/// 32-Bit Memory Range Descriptor
209///
210typedef PACKED struct {
211 ACPI_LARGE_RESOURCE_HEADER Header;
212 UINT8 Information;
213 UINT32 BaseAddressMin;
214 UINT32 BaseAddressMax;
215 UINT32 Alignment;
216 UINT32 Length;
217} EFI_ACPI_32_BIT_MEMORY_RANGE_DESCRIPTOR;
218
219///
220/// Fixed 32-Bit Fixed Memory Range Descriptor
221///
222typedef PACKED struct {
223 ACPI_LARGE_RESOURCE_HEADER Header;
224 UINT8 Information;
225 UINT32 BaseAddress;
226 UINT32 Length;
227} EFI_ACPI_32_BIT_FIXED_MEMORY_RANGE_DESCRIPTOR;
228
229///
230/// QWORD Address Space Descriptor
231///
232typedef PACKED struct {
233 ACPI_LARGE_RESOURCE_HEADER Header;
234 UINT8 ResType;
235 UINT8 GenFlag;
236 UINT8 SpecificFlag;
237 UINT64 AddrSpaceGranularity;
238 UINT64 AddrRangeMin;
239 UINT64 AddrRangeMax;
240 UINT64 AddrTranslationOffset;
241 UINT64 AddrLen;
242} EFI_ACPI_QWORD_ADDRESS_SPACE_DESCRIPTOR;
243
244///
245/// DWORD Address Space Descriptor
246///
247typedef PACKED struct {
248 ACPI_LARGE_RESOURCE_HEADER Header;
249 UINT8 ResType;
250 UINT8 GenFlag;
251 UINT8 SpecificFlag;
252 UINT32 AddrSpaceGranularity;
253 UINT32 AddrRangeMin;
254 UINT32 AddrRangeMax;
255 UINT32 AddrTranslationOffset;
256 UINT32 AddrLen;
257} EFI_ACPI_DWORD_ADDRESS_SPACE_DESCRIPTOR;
258
259///
260/// WORD Address Space Descriptor
261///
262typedef PACKED struct {
263 ACPI_LARGE_RESOURCE_HEADER Header;
264 UINT8 ResType;
265 UINT8 GenFlag;
266 UINT8 SpecificFlag;
267 UINT16 AddrSpaceGranularity;
268 UINT16 AddrRangeMin;
269 UINT16 AddrRangeMax;
270 UINT16 AddrTranslationOffset;
271 UINT16 AddrLen;
272} EFI_ACPI_WORD_ADDRESS_SPACE_DESCRIPTOR;
273
274///
275/// Extended Interrupt Descriptor
276///
277typedef PACKED struct {
278 ACPI_LARGE_RESOURCE_HEADER Header;
279 UINT8 InterruptVectorFlags;
280 UINT8 InterruptTableLength;
281 UINT32 InterruptNumber[1];
282} EFI_ACPI_EXTENDED_INTERRUPT_DESCRIPTOR;
283
284#pragma pack()
285
286///
287/// The End tag identifies an end of resource data.
288///
289typedef struct {
290 UINT8 Desc;
291 UINT8 Checksum;
292} EFI_ACPI_END_TAG_DESCRIPTOR;
293
294//
295// General use definitions
296//
297#define EFI_ACPI_RESERVED_BYTE 0x00
298#define EFI_ACPI_RESERVED_WORD 0x0000
299#define EFI_ACPI_RESERVED_DWORD 0x00000000
300#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
301
302//
303// Resource Type Specific Flags
304// Ref ACPI specification 6.4.3.5.5
305//
306// Bit [0] : Write Status, _RW
307//
308#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
309#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
310//
311// Bit [2:1] : Memory Attributes, _MEM
312//
313#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
314#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
315#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
316#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
317//
318// Bit [4:3] : Memory Attributes, _MTP
319//
320#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
321#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
322#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
323#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
324//
325// Bit [5] : Memory to I/O Translation, _TTP
326//
327#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
328#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
329
330//
331// IRQ Information
332// Ref ACPI specification 6.4.2.1
333//
334#define EFI_ACPI_IRQ_SHARABLE_MASK 0x10
335#define EFI_ACPI_IRQ_SHARABLE 0x10
336
337#define EFI_ACPI_IRQ_POLARITY_MASK 0x08
338#define EFI_ACPI_IRQ_HIGH_TRUE 0x00
339#define EFI_ACPI_IRQ_LOW_FALSE 0x08
340
341#define EFI_ACPI_IRQ_MODE 0x01
342#define EFI_ACPI_IRQ_LEVEL_TRIGGERED 0x00
343#define EFI_ACPI_IRQ_EDGE_TRIGGERED 0x01
344
345//
346// DMA Information
347// Ref ACPI specification 6.4.2.2
348//
349#define EFI_ACPI_DMA_SPEED_TYPE_MASK 0x60
350#define EFI_ACPI_DMA_SPEED_TYPE_COMPATIBILITY 0x00
351#define EFI_ACPI_DMA_SPEED_TYPE_A 0x20
352#define EFI_ACPI_DMA_SPEED_TYPE_B 0x40
353#define EFI_ACPI_DMA_SPEED_TYPE_F 0x60
354
355#define EFI_ACPI_DMA_BUS_MASTER_MASK 0x04
356#define EFI_ACPI_DMA_BUS_MASTER 0x04
357
358#define EFI_ACPI_DMA_TRANSFER_TYPE_MASK 0x03
359#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT 0x00
360#define EFI_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT 0x01
361#define EFI_ACPI_DMA_TRANSFER_TYPE_16_BIT 0x10
362
363//
364// IO Information
365// Ref ACPI specification 6.4.2.5
366//
367#define EFI_ACPI_IO_DECODE_MASK 0x01
368#define EFI_ACPI_IO_DECODE_16_BIT 0x01
369#define EFI_ACPI_IO_DECODE_10_BIT 0x00
370
371//
372// Memory Information
373// Ref ACPI specification 6.4.3.4
374//
375#define EFI_ACPI_MEMORY_WRITE_STATUS_MASK 0x01
376#define EFI_ACPI_MEMORY_WRITABLE 0x01
377#define EFI_ACPI_MEMORY_NON_WRITABLE 0x00
378
379//
380// Ensure proper structure formats
381//
382#pragma pack(1)
383//
384// ACPI 1.0b table structures
385//
386
387///
388/// Root System Description Pointer Structure.
389///
390typedef struct {
391 UINT64 Signature;
392 UINT8 Checksum;
393 UINT8 OemId[6];
394 UINT8 Reserved;
395 UINT32 RsdtAddress;
396} EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER;
397
398//
399// Root System Description Table
400// No definition needed as it is a common description table header, the same with
401// EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT32 table pointers.
402//
403
404///
405/// RSDT Revision (as defined in ACPI 1.0b specification).
406///
407#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
408
409///
410/// Fixed ACPI Description Table Structure (FADT).
411///
412typedef struct {
413 EFI_ACPI_DESCRIPTION_HEADER Header;
414 UINT32 FirmwareCtrl;
415 UINT32 Dsdt;
416 UINT8 IntModel;
417 UINT8 Reserved1;
418 UINT16 SciInt;
419 UINT32 SmiCmd;
420 UINT8 AcpiEnable;
421 UINT8 AcpiDisable;
422 UINT8 S4BiosReq;
423 UINT8 Reserved2;
424 UINT32 Pm1aEvtBlk;
425 UINT32 Pm1bEvtBlk;
426 UINT32 Pm1aCntBlk;
427 UINT32 Pm1bCntBlk;
428 UINT32 Pm2CntBlk;
429 UINT32 PmTmrBlk;
430 UINT32 Gpe0Blk;
431 UINT32 Gpe1Blk;
432 UINT8 Pm1EvtLen;
433 UINT8 Pm1CntLen;
434 UINT8 Pm2CntLen;
435 UINT8 PmTmLen;
436 UINT8 Gpe0BlkLen;
437 UINT8 Gpe1BlkLen;
438 UINT8 Gpe1Base;
439 UINT8 Reserved3;
440 UINT16 PLvl2Lat;
441 UINT16 PLvl3Lat;
442 UINT16 FlushSize;
443 UINT16 FlushStride;
444 UINT8 DutyOffset;
445 UINT8 DutyWidth;
446 UINT8 DayAlrm;
447 UINT8 MonAlrm;
448 UINT8 Century;
449 UINT8 Reserved4;
450 UINT8 Reserved5;
451 UINT8 Reserved6;
452 UINT32 Flags;
453} EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE;
454
455///
456/// FADT Version (as defined in ACPI 1.0b specification).
457///
458#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION 0x01
459
460#define EFI_ACPI_1_0_INT_MODE_DUAL_PIC 0
461#define EFI_ACPI_1_0_INT_MODE_MULTIPLE_APIC 1
462
463//
464// Fixed ACPI Description Table Fixed Feature Flags
465// All other bits are reserved and must be set to 0.
466//
467#define EFI_ACPI_1_0_WBINVD BIT0
468#define EFI_ACPI_1_0_WBINVD_FLUSH BIT1
469#define EFI_ACPI_1_0_PROC_C1 BIT2
470#define EFI_ACPI_1_0_P_LVL2_UP BIT3
471#define EFI_ACPI_1_0_PWR_BUTTON BIT4
472#define EFI_ACPI_1_0_SLP_BUTTON BIT5
473#define EFI_ACPI_1_0_FIX_RTC BIT6
474#define EFI_ACPI_1_0_RTC_S4 BIT7
475#define EFI_ACPI_1_0_TMR_VAL_EXT BIT8
476#define EFI_ACPI_1_0_DCK_CAP BIT9
477
478///
479/// Firmware ACPI Control Structure.
480///
481typedef struct {
482 UINT32 Signature;
483 UINT32 Length;
484 UINT32 HardwareSignature;
485 UINT32 FirmwareWakingVector;
486 UINT32 GlobalLock;
487 UINT32 Flags;
488 UINT8 Reserved[40];
489} EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE;
490
491///
492/// Firmware Control Structure Feature Flags.
493/// All other bits are reserved and must be set to 0.
494///
495#define EFI_ACPI_1_0_S4BIOS_F BIT0
496
497///
498/// Multiple APIC Description Table header definition. The rest of the table
499/// must be defined in a platform-specific manner.
500///
501typedef struct {
502 EFI_ACPI_DESCRIPTION_HEADER Header;
503 UINT32 LocalApicAddress;
504 UINT32 Flags;
505} EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER;
506
507///
508/// MADT Revision (as defined in ACPI 1.0b specification).
509///
510#define EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION 0x01
511
512///
513/// Multiple APIC Flags
514/// All other bits are reserved and must be set to 0.
515///
516#define EFI_ACPI_1_0_PCAT_COMPAT BIT0
517
518//
519// Multiple APIC Description Table APIC structure types
520// All other values between 0x05 an 0xFF are reserved and
521// will be ignored by OSPM.
522//
523#define EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC 0x00
524#define EFI_ACPI_1_0_IO_APIC 0x01
525#define EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE 0x02
526#define EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE 0x03
527#define EFI_ACPI_1_0_LOCAL_APIC_NMI 0x04
528
529//
530// APIC Structure Definitions
531//
532
533///
534/// Processor Local APIC Structure Definition.
535///
536typedef struct {
537 UINT8 Type;
538 UINT8 Length;
539 UINT8 AcpiProcessorId;
540 UINT8 ApicId;
541 UINT32 Flags;
542} EFI_ACPI_1_0_PROCESSOR_LOCAL_APIC_STRUCTURE;
543
544///
545/// Local APIC Flags. All other bits are reserved and must be 0.
546///
547#define EFI_ACPI_1_0_LOCAL_APIC_ENABLED BIT0
548
549///
550/// IO APIC Structure.
551///
552typedef struct {
553 UINT8 Type;
554 UINT8 Length;
555 UINT8 IoApicId;
556 UINT8 Reserved;
557 UINT32 IoApicAddress;
558 UINT32 SystemVectorBase;
559} EFI_ACPI_1_0_IO_APIC_STRUCTURE;
560
561///
562/// Interrupt Source Override Structure.
563///
564typedef struct {
565 UINT8 Type;
566 UINT8 Length;
567 UINT8 Bus;
568 UINT8 Source;
569 UINT32 GlobalSystemInterruptVector;
570 UINT16 Flags;
571} EFI_ACPI_1_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE;
572
573///
574/// Non-Maskable Interrupt Source Structure.
575///
576typedef struct {
577 UINT8 Type;
578 UINT8 Length;
579 UINT16 Flags;
580 UINT32 GlobalSystemInterruptVector;
581} EFI_ACPI_1_0_NON_MASKABLE_INTERRUPT_SOURCE_STRUCTURE;
582
583///
584/// Local APIC NMI Structure.
585///
586typedef struct {
587 UINT8 Type;
588 UINT8 Length;
589 UINT8 AcpiProcessorId;
590 UINT16 Flags;
591 UINT8 LocalApicInti;
592} EFI_ACPI_1_0_LOCAL_APIC_NMI_STRUCTURE;
593
594///
595/// Smart Battery Description Table (SBST)
596///
597typedef struct {
598 EFI_ACPI_DESCRIPTION_HEADER Header;
599 UINT32 WarningEnergyLevel;
600 UINT32 LowEnergyLevel;
601 UINT32 CriticalEnergyLevel;
602} EFI_ACPI_1_0_SMART_BATTERY_DESCRIPTION_TABLE;
603
604//
605// Known table signatures
606//
607
608///
609/// "RSD PTR " Root System Description Pointer.
610///
611#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE SIGNATURE_64('R', 'S', 'D', ' ', 'P', 'T', 'R', ' ')
612
613///
614/// "APIC" Multiple APIC Description Table.
615///
616#define EFI_ACPI_1_0_APIC_SIGNATURE SIGNATURE_32('A', 'P', 'I', 'C')
617
618///
619/// "DSDT" Differentiated System Description Table.
620///
621#define EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('D', 'S', 'D', 'T')
622
623///
624/// "FACS" Firmware ACPI Control Structure.
625///
626#define EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'S')
627
628///
629/// "FACP" Fixed ACPI Description Table.
630///
631#define EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('F', 'A', 'C', 'P')
632
633///
634/// "PSDT" Persistent System Description Table.
635///
636#define EFI_ACPI_1_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('P', 'S', 'D', 'T')
637
638///
639/// "RSDT" Root System Description Table.
640///
641#define EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('R', 'S', 'D', 'T')
642
643///
644/// "SBST" Smart Battery Specification Table.
645///
646#define EFI_ACPI_1_0_SMART_BATTERY_SPECIFICATION_TABLE_SIGNATURE SIGNATURE_32('S', 'B', 'S', 'T')
647
648///
649/// "SSDT" Secondary System Description Table.
650///
651#define EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE SIGNATURE_32('S', 'S', 'D', 'T')
652
653#pragma pack()
654
655#endif