Revision History

Many people have contributed to the contents of this specification, including the following:

  • ACPI Specification Working Group (ASWG)

  • Tianocore Community Members

  • Others as noted in the Revision History below

Table 1 Changes in this release

ACPI Rev #

Issue / Description / Submitter

Affected Content

6.5

2122 DTPR signature reservation

Table 5.5

6.5

2151 Reserve an _SB._OSC bit and an OperationRegion Subtype for Platform Runtime Mechanism (PRM)

Table 5.182, Table 6.13

6.5

2152 Code first: Add the Virtual I/O Translation (VIOT) Table (Al Stone and others)

Section 5.2.32

6.5

2162 Reserve ACPI table signature for SVKL

Table 5.6

6.5

2177 Reserve ACPI table signature for CCEL

Table 5.6

6.5

2188 Code First: Add ‘CXL Root Object’ _HID (Vishal Verma)

Section 5.2.6, Table 5.205

6.5

2195 Remove section 9.7 Embedded Controller Device

Appendix C: Deprecated Content

6.5

2196 Introduce unaccepted memory type - AddressRangeUnaccepted

Table 15.1

6.5

2198 Clarification to Address Space ID

Table 5.1

6.5

2203 Code First: Add APIC Structures for Loongarch in MADT (LV Jianmin)

Section 5.2.12, Section 5.2.12.20 & sections following.

6.5

2206 Add new PERSISTENT_CPU_CACHES bits to FADT Fixed Feature Flags table

Table 5.10

6.5

2210 Update reference link for the PnP BIOS Spec

Section 6.2.2

6.5

2215 Update to S4 language

Table 5.13, Section 16.1.4.1

6.5

2224 Code First - _DSC Deepest State for Configuration (Rafael Wysocki)

Table 7.3, Section 7.3.27

6.5

2228 Code First - RASF Gen2 (Samer El-Haj-Mahmoud)

Section 5.2, Table 5.5, Section 5.2.21

6.5

2233 Connection Sharing update for Serial Bus Connection Descriptor

Section 6.4.3.8.2.1, Table 6.55, Section 19.6.58

6.5

2236 Code First: Generic Port, performance data for hotplug memory (Dan Williams)

Section 5.2.16, Section 5.2.16.6, Table 5.68, Section 5.2.16.7

6.5

2239 Code First - RAS2 Error Record Local Address to System Physical Address Conversion (Samer El-Haj-Mahmoud)

Table 5.86, Section 5.2.21.2.2

6.5

2241 Reserve ACPI Device ID for Audio Composition Device

Table 5.205

6.5

2245 Code First - DSD property for uefi-clock-frequency (Samer El-Haj-Mahmoud)

Table 6.39, Section 6.4.3.14, Section 19.6.154

6.5

2248 Adding WDDT name reservation into spec

Table 5.6

6.5

2250 Reserve APMT table name

Table 5.6

6.5

2253 Clarification - Time and Alarm Device methods requirements (Samer El-Haj-Mahmoud)

Section 9.17.2, Section 9.17.5, Section 9.17.6, Section 9.17.7, Section 9.17.8, Section 9.17.9, Section 9.17.10

6.5

2258 Deprecate CDIT/CRAT

Appendix C: Deprecated Content

6.5

2261 Reserve KEYP table name

Table 5.5

6.5

2267 Code first - EINJ updates for CXL (Thanunathan Rangarajan)

Table 18.30

6.5

2268 Updated ECR for adding APIC structures for Loongarch in MADT

Section 5.2.12, Section 5.2.12.20 & sections following.

6.5

2272 Code First - Allow FFH OpRegion (Samer El-Haj-Mahmoud)

Table 5.182, Section 5.5.2.4.2, Table 6.13

6.5

2275 MHSP table signature reservation

Table 5.5

6.5

2281 Reserve “AGDI” table signature

Table 5.5

6.5

2285 Code First - MADT GICC new flags (Samer El-Haj-Mahmoud)

Table 5.37

6.5

2287 Code First - EINJv2 (Harb Abdulhamid and others)

Table 18.25, Section 18.6.2, Section 18.6.7

6.5

2293 _ADR and _UPC changes, _PDO addition for USB4 and USB-C

Section 1.10, Table 6.14, Table 9.11, Section 9.12.1, Section 9.12.2

6.5

2294 Reset Reason Health Record

Section 5.2.31.5

6.5

2296 Reserve “NBFT” table signature

Table 5.5

6.5

2297 Miscellaneous GUIDed Table Entries definition

Section 5.2.4, Table 5.5, Section 5.2.33

6.5

2298 Reserve “SWFT” table signature

Table 5.5

6.5

2303 Code First - Armv9 TRBE Support (Thanunathan Rangarajan)

Table 5.36

6.5

2309 Update of FADT Minor Version

Table 5.9

6.5

2312 Update to the HEST table and adding new error source descriptor

Table 18.2

6.5

2314 Code First - Add confidential computing extension for ACPI (Jiewen Yao)

Section 5.2.34, Section 5.2.35

6.5

2316 Add an “attribution” link to the ACPI spec

See top of this Revision History list.

6.5

2322 File name references consistency (upper/lower case)

throughout the spec

6.5

2328 Add ACPI Burst Mode Opt-Out

Table 12.19

6.5

2331 IAPC_BOOT_ARCH’s description in FADT table points to an incorrect table

Table 5.9

6.5

2332 EISAID macro corrections

Section 6.5.11, Section 19.6.64

6.5

2333 USB power data object (_PDO)

Section 9.13

6.5

2334 Power Button Override clarification

Table 4.1

6.5

2335 Comments on review draft

Section 5.2.31.5, Table 5.168

6.5

2338 Table name reservation (IERS)

Table 5.6

6.5

2345 draft spec feedback

Section 5.2.16.6, Table 5.68, and miscellaneous corrections

6.5

2346 Inclusive language update for ACPI spec

Section 1.1.1
Table 2 Changes in previous releases

ACPI Rev #

Issue # / Description

Affected Content

6.4 A

2179 _BPT control method: arg2’s description is incomplete in ACPI 6.4 draft

Section 10.2.2.10

6.4 A

2181 Missing new ACPI 6.4 predefined names in Table 5.173: Predefined ACPI Names

Table 5.206

6.4 A

2187 Some parts of FPDT and SDEV sections should be re-ordered

Section 5.2.27.1

6.4 A

2193 Remove section 9.4

Appendix C: Deprecated Content

6.4 A

2194 Remove deprecated content in section 8.4

Appendix C: Deprecated Content

6.4 A

2195 Remove section 9.7

Appendix C: Deprecated Content

6.4 A

2198 Clarification to Address Space ID

Table 5.1

6.4 A

2211 Two corrections to the Buffer 0 Return Value table

Table 6.4

6.4 A

2216 Incorrect DBPG2 reference

Table 5.6

6.4 A

2219 PPTT is missing in DESCRIPTION_HEADER Signatures for tables defined by ACPI

Table 5.5

6.4 A

2220 Document meaning behind _MEM attributes

Section 6.4.3.5.4.1

6.4 A

2221 Document architecture mapping for extended attributes in Type Specific Attributes

Section 6.4.3.5.4.1

6.4 A

2223 Code First - correct _DMA resource type example

Section 6.2.4

6.4 A

2242 Note misplaced in the Memory Resource Flag Definitions table (resource type=0)

Table 6.49, plus other sections of chapter 6.

6.4 A

2244 shareable (10 used) or sharable (3 used) in ACPI spec 6.4

Table 5.9, Table 5.206, Section 9.12

6.4 A

2254 Incorrect link in 6.4.3.7 Generic Register Descriptor

Section 6.4.3.7

6.4 A

2257 What is meant by handling an error.

Table 18.3

6.4 A

2273 _STA and _DIS Clarifications

Section 6.2.3, Section 6.3.7

6.4 A

2274 Code First - Update HW Error Notification Structure to reference SDEI

Table 18.14

6.4 A

2276 Pin Group Configuration Descriptor: Resource Identifier binary encoding incorrect

Table 6.64

6.4 A

2282 Code first - Fix incorrect reference to “Memory Aggregator Device”

Table 6.64

6.4 A

2283 Code first - BGRT table “valid” field typo

Table 5.105

6.4 A

2284 Inclusive language rename for PCCT sub-space types 3 & 4

Table 14.7, Table 14.12, Table 14.13, Section 14.5, Section 14.6.1, Section 14.6.2

6.4 A

2299 Correction for Device Power Management Objects

Section 7.3

6.4 A

2301 Invalid section reference in CopyObject ASL operator definition

Section 19.6.17

6.4 A

2304 _PLD content missing in table 6.4, spec rev 6.4

Table 6.4

6.4 A

2305 Remove orphaned reference to deprecated PPTT Type 0

Section 5.2.30.1

6.4 A

2307 Missing note numbers in Appendix B table B3

Appendix B: Video Extensions

6.4 A

2308 Update/Clarification to _STA

Section 6.3.7

6.4 A

2310 FADT Format clarifications

Table 5.9

6.4 A

2323 Update of FADT Minor Version for ACPI 6.4 Errata A

Table 5.9

6.4

1933 Remove obsolete DDBHandle data type

Section 19, Section 20

6.4

1975 NFIT PMTT Memory Topology

Section 5.2.22.12, Section 9.19.3

6.4

1988 VDIMM SPA Location Cookie

Table 5.128

6.4

1991 Generic Initiator clarifications

Table 5.68, Section 5.2.28.1, and Section 5.2.28.4

6.4

1997 Add Fuel Gauge Support to Control Method Battery device

Section 10.2, Section 10.2.1, Table 10.3, Table 10.11

6.4

2006 Add \_SB._OSC bit for native USB 4 support/control

Section 6.2.11.1.3, Table 6.13, Section 6.2.11.3

6.4

2010 Define new PCC Structure (Type 5)

Section 14.1.7, Section 14.4, Section 5.2.29.1

6.4

2044 Query ARS Capabilities Clarification

Table 9.20

6.4

2045 CXL ACPI enumeration

Table 5.205, Section 6.5.11

6.4

2056 Signature Reservation for Regulatory Graphics Resource Table (RGRT)

Table 5.6

6.4

2070 Define Address encoding for PCI BAR Target GAS structure

Table 5.2, Table 6.13

6.4

2075 Add reference to CDAT Structure from ACPI table

Section 17, https://uefi.org/acpi

6.4

2076 Reserve CEDT signature

Table 5.6, https://uefi.org/acpi

6.4

2077 Clarify CXL _CBR enumeration method

Table 6.71

6.4

2081 Add Connection Descriptor definition and macro for MIPI CSI-2

Table 6.55, Section 6.4.3.8.2.4, Section 19.6.24

6.4

2087 Add MultiProcessor Wakeup structure

Table 5.21, Section 5.2.12.19

6.4

2090 ECR for Battery Charge Limiting (BCL) mode support

Section 3.9.6, Table 6.13, Table 10.10, Table 10.6, Section 10.2.2.5

6.4

2094 New platform telemetry data table - PTDT, reservation and definition

Table 5.5, Section 5.2.31

6.4

2104 Reserve ACPI table signature for the PRMT

Table 5.6

6.4

2105 Increase FADT Major & Minor number to match next ACPI release.

Table 5.9

6.4

2108 Add new ACPI device ID for USB4 host routers

Table 5.205

6.4

2111 Add Access Components for Secure ACPI Enumerated Devices in the SDEV table

Section 5.2.27.1.1

6.4

2118 AEST table signature reservation

Table 5.6

6.4

2120 MPAM Table Name Reservation

Table 5.6

6.4

2121 HMAT updates to support systems with heterogeneous memory

Section 5.2.28.1, Section 5.2.28.4

6.4

2126 Rename SBSA Generic Watchdog and move the spec link to the UEFI website

Section 5.2.25, Table 5.119, and Section 5.2.25.2

6.4

2127 BDAT name reservation

Table 5.6

6.4

2133 Remove reference to DMA Protection Policy Table (DPPT)

Table 5.5

6.4

2137 Extend _DDC to support greater than 256 byte buffer return

_DDC (Return the EDID for this Device)

6.4

2138 ACPI-based Identifiers for Caches

Table 5.156, Section 5.2.30.1, Table 5.159, Table 5.160

6.4

2144 Clarify SSDT load order

Section 5.2.11

6.4

2146 Error in the HMAT System Locality Latency and Bandwidth Information Structure

Table 5.148

6.4

2150 Clarify description of CoordType in _PSD object

Table 8.1, Table 8.3, Table 8.19, Table 8.22

6.4

2156 Corrections to the FPDT

Fig. 5.8, Table 5.106, Section 5.2.24.1, Section 5.2.24.2, Section 5.2.24.3, Section 5.2.24.4, Section 5.2.24.5, Section 5.2.24.6, Section 5.2.24.7, Section 5.2.24.8

6.4

2157 Processor object cleanup missed ProcessorObj in ObjectTypeKeyword list

ObjectTypeKeyword, Table 19.36

6.4

2159 6.3A contains incorrect heading levels for some sections

various sections

6.4

2162 Reserve ACPI table signature for the SVKL

Table 5.6

6.4

2169 IRQ macro description incorrectly refers to the IO macro

Section 19.6.66

6.4

2170 Feedback on the 6.4 draft

multiple sections; see Mantis for details

6.4

2171 Heading changes for consistency in section 19.6

Section 19.6.102, Section 19.6.103, Section 19.6.104, Section 19.6.105, and Section 19.6.106

6.4

2176 EINJ: Correction for GET_COMMAND_STATUS Action.

Table 18.18

6.4

2179 _BPT control method: arg2 description is incomplete in ACPI 6.4 draft

Section 10.2.2.10

6.4

2180 New section from ECR M2010 misplaced in ACPI 6.4 draft

Section 14.1.7

6.4

2181 Missing new items in ACPI Predefined Names table

Table 5.206

6.4

2182 Multiprocessor Wakeup Structure misplaced in spec

Table 5.21, Section 5.2.12.19

6.4

2183 Incorrect PHAT reference in Table 5-5

Table 5.5

6.4

2186 Error in sample code

Section 5.6.9.2, Section 5.6.9.3

6.4

2187 Some parts of SDEV sections should be re-ordered

Section 5.2.27.1

6.4

2191 Feedback on ACPI 6.4 draft

various sections

6.4

2197 Typos in the t-state dependency and p-state dependency tables

Table 8.19, Table 8.22

6.3 A

1952 Serious issues with Generic Serial Bus chapters

Section 5.5

6.3 A

1972 Add links to grammar definitions

Section 19.2, Section 20.2, Section 21.2.2

6.3 A

1973 Change name of TypeXOpcodes for clarity

Section 19.2, Section 20.2

6.3 A

1977 Errata for GHES_ASSIST (APEI) feature

Table 18.3, Table 18.5, Table 18.10, Table 18.15, and Section 18.7

6.3 A

1981 Minor issues with BGRT description and field names.

Table 5.105

6.3 A

1985 ASL macro definitions reversed between “For” and “Fprintf”

Section 19.3.4

6.3 A

1990 _PR0 fixes

Section 7.3.8

6.3 A

1995 Clarifcation to the Guaranteed Performance Register implementation

Section 8.4.6.1.1.6

6.3 A

2001 Clarifications for PCI Express AER ownership

Section 18.3.2.4, Section 18.3.2.5, Section 18.3.2.6

6.3 A

2004 Appendices numbering

Appendix A: Device Class Specifications, Appendix B: Video Extensions, Appendix C: Deprecated Content

6.3 A

2011 _DSD link in Generic Buttons Device Child Objects table

Section 9.18

6.3 A

2012 Clarify allowed values for ACPI0007 _UIDs

Section 5.2.12, Section 6.1.12

6.3 A

2021 Typo in PM_TMR_BLK field

Table 5.9

6.3 A

2022 Errors in description of “X_GPE0_BLK”

Table 5.9

6.3 A

2037 Incorrect reference in Real Time Clock Alarm

Section 4.8.2.4

6.3 A

2047 Clarifications and Fixes to the Error Injection (EINJ) section

Section 18.6

6.3 A

2052 Clarify behavior of PerformanceLimitedRegister in _CPC

Section 8.4.6.1.3.2

6.3 A

2057 Clarify wording of delivered performance constraints in CPPC

Section 8.4.6.1.3.1

6.3 A

2059 EISAID Macro - missing algorithm

Section 19.3.4

6.3 A

2064 Make “DPA” definition more generic

Device Physical Address (DPA), Section 9.19.7.8, Section 9.19.7.8.3

6.3 A

2067 Clarify _HID and _ADR usage

Section 6, Section 6.1, Section 6.1.1, Section 6.1.2, Section 6.1.5

6.3 A

2069 Update figure OSPM/ACPI Global System

Fig. 1.1

6.3 A

2072 Deprecate “PPTT Type 2 - Processor ID” section

Was section 5.2.29.3 in ACPI Spec 6.3

6.3 A

2098 Clarification of supported ACPI platform implementations

Table 3.3

6.3 A

2100 Correction/Clarification of _CBA description

Table 5.206

6.3 A

2109 Incorrect SLIT reference in “DESCRIPTION_HEADER Signatures for tables defined by ACPI”

Table 5.5

6.3 A

2112 _TZP questions and issues

Section 11.4.26

6.3 A

2113 Label tables in the OS Initiated section of Idle State Coordination

Section 8.4.3.2.2, Section 8.4.3.2.2.1

6.3 A

2115 Duplicate definition of RawDataBufferTerm

Section 19.2.6

6.3 A

2123 Interrupt Polarity _LL values do not agree between chapters

Section 19.6.64 and Section 19.6.66

6.3 A

2128 Some changes from ECR 1588 are missing in ACPI 6.3

Section 19.6.64

6.3 A

2140 Incorrect offsets in PCC Subspace Structures type 3 and 4

Table 14.7

6.3 A

2141 Typos in Chapters 5 and 17

Revision History, Table 5.23, Section 17.3.1, and Section 17.4.1

6.3 A

2145 Error in the PCC Type 3 and 4 subspace description

Table 14.7

6.3

1851 Extend GTDT to describe ARMv8.1 architected CNTHV timer

Section 5.2.24

6.3

1855 ARS Error Inject

Table 9-299, Section 9.20.7.7, Section 9.20.7.9.1, Section 9.20.7.12

6.3

1867 Add Trigger order to PCC Identifier structure within PDTT

Section 5.2.28

6.3

1873 Peripheral-attached Memory

Table 5-132

6.3

1883 Reserve the table names “CRAT” and “CDIT”

http://uefi.org/acpi

6.3

1893 New NVDIMM Device methods _NCH and _NBS

Section 9.20.8.1, Section 9.20.8.2

6.3

1898 PCC Operation Region

Section 5.5.2.4, Section 6.5.4, Section 19.2.7, Section 19.6, Section 20.2.5.2

6.3

1900 I3C host controller support

Table 6-190, Table 6-241

6.3

1904 Generic Initiator Affinity Structure

Section 5.2.16

6.3

1910 NVDIMM Address Range Scrubbing (ARS) interface update

Section 5.6.6, Section 9.20.7

6.3

1911 _PRD object in Table 6-186 has no definition

Appendix C

6.3

1913 New NVDIMM Device methods for Health Error Injection

Section 5.6.6, Section 9.20.8

6.3

1914 HMAT Enhancements

Section 5.2.27

6.3

1922 _HPX Enhancements

Section 6.2.9

6.3

1930 ASL: Make some arguments to ASL operators optional

Section 19.6.7, Section 19.6.46, Section 19.6.63, Section 19.6.88

6.3

1931 ASL: extend Load() operator to allow table load from an ASL buffer

Section 19.6.76

6.3

1932 ASL: deprecate Unload operator

Section 19.6.146 and related references

6.3

1934 SPE support for ARM

Section 5.2.12.14, Table 5-155

6.3

1939 Error Disconnect Recover Notification

Table 5-165, Section 6.3.5

6.3

1944 Outdated copied text from PCI Firmware Spec

Section 6.2.11.3, Section 6.2.11.4

6.3

1946 Generic Initiator _OSC Bit

Section 5.2.16.6, Table 6-200

6.3

1948 Adds an “Online Capable” flag to the Local APIC, Local SPAPIC, and x2APIC structures in MADT

Tables 5-46, 5-47, 5-55, and 5-58

6.3

1958 PCC Operation Region Updates

Section 5.5.2.4, Section 19.2.7, Table 19-420, Section 20.2.5.2

6.3

1959 Update to ECR 1914

Table 5-146

6.3

1978 GT Block Timers table - update the Timer Interrupt Mode description

Table 5-126

6.3

1979 ACPI version change from 6.2 to 6.3

Table 5-33

6.3

1980 Fix link to local APIC flags in the Processor Local APIC Structure table

Table 5-46

6.2 B

1819 Errata: remove support for multiple GICD structures

Table 5-43

6.2 B

1852 Fix Inconsistent TranslateType Language

Section 19.6.33, Section 19.6.34, Section 19.6.41, Section 19.6.42, Section 19.6.109, Section 19.6.110, Section 19.6.151

6.2 B

1870 PPTT Clarifications

Section 5.2.29.1

6.2 B

1881 Incorrect reference “Memory Devices” in “5.2.21.10 Interaction with Memory Hot Plug”

Section 5.2.21.10

6.2 B

1882 Incorrect EINJ table references/link

Table 18-404

6.2 B

1894 SRAT GICC Flags Field Definition Errata

Table 5-76

6.2 B

1905 Missing description in 6.1.9 title in ACPI 6.2a

Section 6.1.9

6.2 B

1909 Update NFIT SPA Range Structure

Table 5-132

6.2 B

1929 Miscellaneous Errata

Section 19.6.38, Section 19.6.53, Section 19.6.54, Removed redundant Interrupt section (now Section 19.6.63)

6.2 B

1945 NFIT_SPA_ECR

Section 5.2.25.2

6.2 B

1951 _PXM Clarifications

Section 5.2.16, Section 5.2.16.6, Section 6.2.14, Section 6.2.15, Section 17.2, Section 17.2.1, Section 17.3, Section 17.3.1, Section 17.4, Section 17.4.1

6.2 B

1960 PWR_BUTTON desription should say “power button”, not “sleep button”

Table 5-34

6.2 B

1962 Clarifications for the use of _REG methods

Section 6.5.4

6.2 B

1965 Clean up Address Space ID

Table 5-25, Table 6-238, Section 19.6.114, Section 19.2.7

6.2 B

1968 Clarifications for ACPI Namepaths

Section 5.2

6.2 A

1839 Missing space in title of ACPI RAS Feature Table (RASF)

Section 5.2, Section 5.2.20, Table 5-29

6.2 A

1837 Typos in Extended PCC subspaces (types 3 and 4)

Section 14.1.6

6.2 A

1831 Add a new NFIT Platform Capabilities Structure

Section 5.2.25.1, Figure 5-22, Table 5-131, Section 5.2.25.9

6.2 A

1827 PPTT ID Type Structure offsets

Section 5.2.29.3

6.2 A

1825 Remove bits 2-4 in the Platform RAS Capabilities Bitmap table

Section 5.2.20.4

6.2 A

1820 Region Format Interface Code description

Section 5.2.25.6

6.2 A

1819 Remove support for multiple GICD structures

Section 5.2.12, Section 5.2.12.1

6.2 A

1814 PDTT typos and PPTT reference

Revision History, Section 5.2, Section 5.2.28

6.2 A

1812 Minor correction to Trigger Action Table

Section 18.6.4

6.2 A

1811 General Purpose Event Handling flow

Section 5.6.4

6.2

1795 ACPI Table Signature Reservation

Table 5-30

6.2

1781 Clarify ResourceUsage Descriptor Argument

Table 6-193

6.2

1780 Add DescriptorName to PinFunction and PinConfig Macros

Section 19.6.102 and Section 19.6.103

6.2

1770 Update Revision History

Revision History

6.2

1769 FADT Format: ACPI Version update to reflect 6.2 versus 6.1

Table 5-33

6.2

1755 Deprecate PCC Platform Async Notifications

Section 14.4, and Section 14.5.1

6.2

1743 PinGroupFunctionConfig resource descriptors update

Section 6.4.3.11, Section 6.4.3.12, Section 6.4.3.13

6.2

1738 PCIEXP_WAKE Bits description updates

Table 4-15, Table 4-16, and Table 5-34

6.2

1731 Software Delegated Exception HW error notitication

Section 18-394

6.2

1725 NVST Updates - NFIT ARS Error Injection

Section 9.20.7.9, Section 9.20.7.10, and Section 9.20.7.11

6.2

1724 NVST Updates - Platform RAS Capabilities Updates

Section 5.2.20.4

6.2

1723 NVST Updates - Translate SPA DSM Interface

Section 2.1, Section 9.20.7.8

6.2

1722 NVST Updates - ARS Updates

Section 2.1, Section 9.20.7.2, Section 9.20.7.4, Section 9.20.7.5, and Section 9.20.7.6

6.2

1721 NVST Updates - Labels

Section 2.1, Section 5-184, and Section 6.5.10

6.2

1717 ASL Grammar Update for Reference Operators

Section 19.2

6.2

1714 Reserve the table name “SDEI”

Table 5-30

6.2

1705 Add Heterogeneous Memory Attributes Tables (HMAT)

Section 5.2, Section 5.6.6, Section 5.6.8, Section 6.2, Section 6.2.18, and Section 17.4

6.2

1703 Time & Alarm Device _GCP new bits

Section 9.18.2

6.2

1680 Pin Group, Pin Group Function and Pin Group Configuration Descriptors and Macros

Table 6-224 and Section 6.4.3.10

6.2

1679 Pin Configuration Descriptor and Macro

Table 6-224 and Section 6.4.3.10

6.2

1677 CPPC Registers in System Memory

Section 6.2.11.2 and Section 8.4.7.1

6.2

1674 GHES_ASSIST Proposal

Section 18.3.2

6.2

1669 FADT HEADLESS flag should be valid for HW_REDUCED_ACPI platforms

Section 5.2.9

6.2

1667 Processor Properties Topology Table (PPTT)

Section 5.2.29

6.2

1659 Master Slave PCC channels

Chapter 14, Platform Communications Channel (PCC)

6.2

1656 SRAT Support for ITS

Section 5.2.16

6.2

1650 CPPC Support for Multiple PCC Channels

Table 6-200 and Section 8.4.7.1.9

6.2

1649 ECR: Minor updates to IA-32 Architecture Deferred Machine Check

Section 18.3.2.10

6.2

1645 Add _STR Support for Thermal Zones

Section 6.1, Section 6.1.10, Section 11.4, Section 11.4.14, and Section 11.7.1

6.2

1632 Secure Devices Table (SDEV)

Table 5-30

6.2

1611 Add a _PPL object to processor devices

Section 8.4.7

6.2

1597 ASL For() Conditional Loop Macro

Section 19.6.51, Section 19.2.5, Section 19.2.6, and Section 19.3.4

6.2

1588 Clarification on Interrupt Descriptor Usage for “Interrupt Combining”

Section 6.2.11.2, Section 6.4.3.6, Section 19.6.62

6.2

1585 Reserve table signature “WSMT, ” with reference to ACPI links page for more details

Table 5-30

6.2

1583 Diverse Highest Processor Performance

Table 5-158 and Table 6-200

6.2

1578 Function Config Descriptor and Macro

Table 6-213 and Section 6.4.3.9

6.2

1576 Platform Debug Trigger Table (PDTT)

Section 5.2.28

6.2

1573 Extensions to the ASL Concatenate operator

Section 19.2.6 and Section 19.6.12

6.2

1569 Add new introduction (background) section

Background chapter

6.1 Errata A

1796 Clarify that Type 1 can never support Level triggered platform interrupt

Section 14.1.4

6.1 Errata A

1785 Lack of clarity on use of System Vector Base on GICD structures

Section 5.2.12.15

6.1 Errata A

1783 Clarification on Interrupt Descriptor Usage for Bit [0] Consumer/Producer

Table 6-237

6.1 Errata A

1760 Typo - incorrect bit offsets in the PM1 Enable Registers Fixed Hardware Feature Enable Bits table.

Table 4-16

6.1 Errata A

1758 Minor Errata in ERST tables, Serialization Instruction Entry and Injection Instruction Entry.

Table 18-399 and Table 18-405

6.1 Errata A

1756 Errata: Ensure non-secure timers are accesible to non-secure in the Flag Definitions: Common Flags table.

Table 5-126

6.1 Errata A

1740 Errata in section 9.13: wrong reference

Section 9.13

6.1 Errata A

1715 0 is a valid GSIV for the secure EL1 physical timer in GTDT

Table 5-120

6.1 Errata A

1687 Typo in the Reserved field of the GIC ITS Structure table.

Table 5-66

6.1 Errata A

1686 Clarification of the FADT HW_REDUCED_ACPI flag description in the FADT Format table.

Table 5-33

6.1 Errata A

1676 Clarifications for the ASL Buffer (Declare Buffer Object)

Section 19.6.10

6.1 Errata A

1671 Typo in Memory Affinity Structure table

Section 5-72

6.1 Errata A

1670 Update for _OSI return value

Section 5.7.2

6.1 Errata A

1664 Clarification of the RSDP Structure table, Revision description.

Table 5-66

6.1 Errata A

1662 Clarification of the Generic Communications Channel Command Field table.

Table 14-370

6.1 Errata A

1661 typos in the Generic Communications Channel Status Field table and the Platform Notification section.

Table 14-371 and Section 14.5

6.1 Errata A

1660 type in the Generic Communications Channel Shared Memory Region table

Table 14-369

6.1 Errata A

1651 LPI Clarifications

Section 8.4.4.3

6.1 Errata A

1644 Mismatch of mantis number 1449 vs. change description

Revision History

6.1 Errata A

1643 Incorrect row order in GET_EXECUTE_OPERATION_TIMINGS table

Table 18-397

6.1 Errata A

1642 Clarifications and fixes to _PSD and _TSD

Table 5-184

6.1 Errata A

1639 _WPC and _WPP are missing in the Predefined ACPI Names table.

Table 5-164

6.1 Errata A

1616 Clarify which processor ID to use in the EINJ for ARM

Table 18-403

6.1 Errata A

1606 Errata: typos in the Interrupt Resource Descriptor Macro definition

Section 19.6.62

6.1 Errata A

1602 Updates to the PMC Method Result Codes table

Table 10-338

6.1 Errata A

1601 Typos in the _CPC Implementation Example

Section 8.4.7.1.11

6.1 Errata A

1600 Typos in PCC Subspace Structure Type 1 and Type 2.

Table 14-366 and Table 14-367

6.1 Errata A

1599 Add clarification to existing text (_OSC Control Field via arg3)

Table 6-202

6.1 Errata A

1591 ASL grammar clarification for “executable” AML opcodes

Section 5.4

6.1 Errata A

1589 Wireless Power Calibration Device ACPI ID not defined

Section 10.5 (Table 10-292 removed) and Table 5-163

6.1 Errata A

1582 Clarification for Time and Alarm wake description

Section 9.18.1

6.1 Errata A

1581 Processing Sequence for Graceful Shutdown Request - need to update section 6.3.5.1 to reflect change

Table 5-166 and Section 6.3.5.1

6.1 Errata A

1579 typos

Table 5-130 and Table 5-131

6.1 Errata A

1577 BGRT Image Orientation Offset

Table 5-107

6.1 Errata A

1572 Update ASL grammar to support multiple Definition Blocks

Section 19.2.3

6.1 Errata A

1571 Update AML Filename description for ASL DefinitionBlock operator

Section 19.6.28

6.1 Errata A

1552 GIC Redistributor base address language in GICC leaves room for ambiguity

Table 5-60

6.1 Errata A

1549 Errata: wrong offset in Generic Communications Channel Shared Memory Region table.

Table 14-369

6.1

1527 Qualcomm feedback on ACPI 6.1 draft 2

Throughout

6.1

1524 Strange hotlink

Section 5.7.5

6.1

1514 Comments against 6.1 Draft from HPE

Minor corrections and fixed typos throughout document, especially Section 9.20.7.2

6.1

1512 Microsoft feedbacks on ACPI 6.1 draft 2

Section 5.2.25, Section 9.20.7, Section 18.3.2

6.1

1503 Editorial comments against 6.1 Draft 1

Throughout–draft corrections & typos

6.1

1500 ACPI 6.1 - Graceful Shutdown (Device Object Notification)

Table 5-166

6.1

1499 _FIT and _MAT ASL nits in 6.0 and 6.1 Draft

Section 6.2.10, Section 6.5.9

6.1

1490 ACPI Version update to reflect 6.1 versus 6.0

Table 5-33

6.1

1483 NFIT SPD extensions and clarifications

Section 5.2.25x, Section 6.5.9, Section 9.20x

6.1

1478 Wireless Power Calibration ACPI Device

Section 10.5 & Section 10.6

6.1

1427 Addition to Memory Device State Flags in NFIT

Table 5-133

6.1

1395 _DSM interfaces associated with NVDIMM-N objects

Section 9.20.2x through Section 9.20.7

6.1

1384 ERST/EINJ max wait time

Table 18-397, Table 18-404

6.1

1367 Interrupt-signaled Events

Section 4.1.1.1 Section 5.6, , Section 5.6.10, Section 5.6.4, Section 5.6.5 Section 5.6.5.2, Section 6.2.11.2, Section 7.3.13, Section 18.3.2.7.2, Section 18.4, and added

6.1

1356 ARM APEI extensions

Section 18.3.2.7, Section 18.3.2.8, Section 18.3.2.9

6.1

1326

Section 2.2, Table 5-37, Section 7.4.2.5, Section 15, Table 15-374, Section 16.1.4

6.0 Errata

1488 Typo on description of PkgLength encoding (ACPI v6.0, section 5.4)

Section 5.4

6.0 Errata

1487 The Length of GIC ITS Structure is wrong

Table 5-66

6.0 Errata

1470 Region Format Interface Code clarification

Table 5-137

6.0 Errata

1462 5.2.21 Errata

Section 5.2.21

6.0 Errata

1461 5.2.21.10 Clarification

Section 5.2.21.10

6.0 Errata

1449 Graceful Shutdown Request (Device Object Notification Values)

Section 2.1, Table 5-44, Section 5.2.12.6, Table 5-51, Section 5.2.12.9, Section 5.2.12.14 through Section 5.2.12.18, Section 5.2.25, Section 5.6, Table 6-193, Table 6.2.10, Table 6-249, Table 6.5.9

6.0 Errata

1445 Section 19.6.99 “Package” of the specification needs updating

Section 19.6.100

6.0 Errata

1444 GTDT CntReadBase Physical address should be optional

Section 5.2.24

6.0 Errata

1433 Time and Alarm _GCP changes in support of wakes from S4/S5

Section 9.18.2

6.0 Errata

1432 Errata - Explicit Data Type Conversions

Section 19.3.4, Section 19.3.5.2, Section 19.3.5.3

6.0 Errata

1406 NFIT RAMDisk Update

Section 5.2.25.2

6.0 Errata

1403 Two distinct definitions of the MADT have the same revision number

Table 5-43

6.0 Errata

1393 In FADT: if X_DSDT field is non-zero, DSDT field should be ignored or deprecated

Table 5-33

6.0 Errata

1392 Incorrect length in the GIC ITS Structure

Table 5-66

6.0 Errata

1386 Clarify APEI vs UEFI runtime variable support

Table 18-397

6.0 Errata

1385 ACPI 6.0 typo and table misnumbering

Section 18.5.2.1

6.0 Errata

1380 Unnecessary restrictions to FW vendors in ordering of GIC structures in MADT

Section 5.2.12.14

6.0 Errata

1378 Duplication of table 5-155/156, section mismatch in GIC redistributor

Table 5-175 & Table 5-180 duplicates removed, Section 5.2.12.17

6.0 Errata

1374 section mismatch: _CCA method belongs to section 6.2 Device Configuration Objects?

Table 6-189/Table 6-193

6.0 Errata

1372 Fix inconsistency for _PXM method in section 17

Section 17.2.1, Section 17.3.2

6.0 Errata

1368 Various errata fixes and clarifications in chapter 18 APEI

Section 18.3.1, Section 18.3.2.7.1, Section 18.5.1, Section 18.6.1, Section 18.6.2, Section 18.6.4

6.0 Errata

1361 Clarify _PIC Method on ARM

Section 5.8.1

6.0 Errata

1289 replace use of the term “BIOS” with more accurate descriptions

Throughout spec

6.0 Errata

1154 Ensure that ACPI and UEFI specs agree on the treatment of “holes” in the memory map

Section 15.4

6.0

1344 Sharing of Connection Resources, NOTE: The changes were included in ACPI 6.0, but was missed in the ACPI 6.0 Revision History

Section 5.5.2.4.6 through Section 5.5.2.4.6.3.9 Section 19.6.15

6.0

1370 Changes needed for ACPI 6.0: persistent memory S4 behavior

Section 16.3.4

6.0

1359 Vendor Range for E820 Address Types and UEFI memory Types

Table 15-374

6.0

1354 Disambiguation of _REV

Section 5.7.4

6.0

1343 Comments against v6.0 Final Draft

Section 18.6.2, Section 18.6.4

6.0

1340 comment against the Final Draft: Minor errata in register fields of LPI example

Section 8.4.4.3.4

6.0

1332 Fixes for ACPI 6.0 Draft March 2

Table 5-37, Section 5.2.25.2, Table 5-132

6.0

1328 ACPI 6.0 Draft feedback - Mantis 1228

Table 5-62

6.0

1337 Missing reference in Extended Address Space Descriptor Definition, Section 6.4.3.5.4

Section 6.4.3.5.4

6.0

1333 ACPI 6.0 March2 Draft Feedback - Bits and NFIT related

NFIT throughout

6.0

1329 ACPI 6.0 Feb 18 Draft - Follow consistent notation for Bits and Bytes ranges

throughout

6.0

1327 ACPI 6.0 Feb 18 draft feedback - NFIT related

NFIT throughout

6.0

1324 ACPI 6.0 Feb 5 Draft1 Feeback2 - Mantis 1250

Section 5.2, Section 5.2.25, Section 6.1.1, Section 5.6.6

6.0

1320 ACPI 6.0 Feb 5 Draft1 Feedback - Mantis 1250

Section 5.2, Section 5.2.25, Section 6.1.1, Section 5.6.6

6.0

1319 Comment against ACPI 6.0 Draft 1 concerning Mantis 1279

Section 19.1, Section 19.6.3, Section 19.6.5, Section 19.6.26, Section 19.6.31, Section 19.6.60, Section 19.6.61Section 19.6.68 - Section 19.6.74, Section 19.6.78Section 19.6.85, Section 19.6.86, Section 19.6.92

6.0

1312 Add USB-C Connection support to _UPC

Table 9-293, Section 9.14

6.0

1306 New ACPI Version Placeholder

Table 5-33

6.0

1302 Errata on reference in section 6.2.11.2 Platform-Wide OSPM Capabilities

Section 6.2.11.2

6.0

1294 Typo in section 5.7.2: “Section” used when “Table” was meant

Section 5.7.2

6.0

1293 Reserve “STAO” and “XENV” table signatures

Table 5-30

6.0

1292 A Missing space in first paragraph of Section 2.4

Section 2.4

6.0

1284 Battery ACPI ECR

Section 5-184, Section 10.2.2.7, Table 10-329, Section 10.2.2, Table 10-331

6.0

1282 AML: Improve Disassembly of Control Method Invocations

Section 19.6.44, Section 20.2.5.2, Section 20-440

6.0

1281 ASL Printf and Fprintf Debug MacrosTable 10-331Table 10-331

Section 19.2.5, Section 19.2.6, Section 19.3.4, Section 19.3.5.2, Section 19.3, Section 19.4, Section 19.6.52, Section 19.6.107

6.0

1280 ASL Helper Macro for _PLD (Physical Location of Device) - ToPLD()

Section 19.2.6, Section 19.3.4, Section 19.3.5.2, Section 19.4, Section 19.5, Section 19.6.140

6.0

1279 ASL Extensions for Symbolic Operators and Expressions (ASL 2.0)

Section 19.1, Section 19.6.3, Section 19.6.5, Section 19.6.26, Section 19.6.31, Section 19.6.60, Section 19.6.61, Section 19.6.68 - Section 19.6.74, Section 19.6.78, Section 19.6.85, Section 19.6.86, Section 19.6.92

6.0

1265 Missing word in figure 1-1

Figure 1-1

6.0

1264 Device Power Management Clarifications

Section 2.3, Section 2.3.1, Section 3.3.1, Section 3.3, Section 3.4, Section 3.4.2, Section 3.4.3, Section 3.4.3, Section 3.4.4x), Section 7, Section 7.1, Section 7.2x, Section 7.3

6.0

1262 New Thermal Zone Objects

Table 5-184, Section 11.1.5.1, Section 11.4.8, Section 11.4.21

6.0

1261 _OSC, add OS–>Platform information to communicate >16 p-states are supported

Table 6-200

6.0

1258 Standby Thermal Trip

Section 11.4.5

6.0

1253 Clarification of S5 (Soft-Off) and S1~S4 Sleeping States

Section 2.4, Section 3.9.4, Section 4.7, Section 4.8.2.3, Section 4.8.3.2.1, Section 7.3.1

6.0

1252 Incorrect Indentation in first page of Section 3

Section 3

6.0

1250 Support for Non-Volatile Memory Firmware Interfaces

Section 5.2, Section 5.2.25, Section 6.1.1, Section 5.6.6

6.0

1241 PCC and level interrupts for HW reduced platforms

Section 14.1.2, Section 14.1.5

6.0

1232 Deprecate Processor Keyword

Table 5-46, Table 5-52, Section 5.2.12.10, Section 5.2.12.12, Section 8.4, Section 11.7.1, Section 11.7.2, Section 19.6.30, Section 19.6.108

6.0

1231 Adjust max p-states

Section 2.6

6.0

1230 Adding Support for Faster Thermal Sampling

Table 6-200, Table 5-184, Section 11.4.17, Section 11.4.22, Section 11.6

6.0

1229 Reserve IORT and support for ARM GICv3/4 ITS in MADT

Table 5-29, Table 5-45, Section 5.2.12.18

6.0

1206 Clarify _HID/_CID/_CLS usage model

Section 6.1, Section 6.1.5, Section 6.2x

6.0

1203 CPPC heterogeneous performance capabilities

Section 8.4.7, Section 8.4.7.1.10

6.0

1197: MADT Efficiency Classes and wording change for MP Parking update

Table 5-60

6.0

1176 FADT Hypervisor Vendor Identification Support

Table 5-33

6.0

1171 Extend Address Ranger Types and UEFI Memory Type to comprehend persistent memory.

Table 5-37, Section 6.4.3.5.4.1, Section 15, Table 15-379, Section 15.4, Table 15-380

6.0

1152 Support for Platform-specific device reset

Section 7.3.25 and Section 7.3.26 t, Table 7-255 Table 7-256

6.0

1132 Generic Button(s) Abstraction

Table 5-183, Add new Section 9.19 and following

6.0

1125 ACPI Low Power Idle Table (LPIT) and _LPD proposal

Section 5.6.7, Section 5.6.8, Table 6-200, Section 7.1, Section 7.2.5, Section 7.4.2.1, Section 8.4, Section 8.4.1, Section 8.4.2, Section 8.4.2.1, Section 8.4.3.1

5.1 Errata

1265 Missing word in figure 1-1

Figure 1-1

5.1 Errata

1252 Incorrect Indentation in first page of Section 3

Section 3

5.1 Errata

1243 Clarify whether or not the FACS is optional or not

Section 5.2.9, Table 5-33

5.1 Errata

1233 Fix broken Link and Example for _CLS

Section 6.1.3

5.1 Errata

1228 Present GIC version in MADT table

Table 5-62

5.1 Errata

1196 Table reference in Section 9.8.3.2 is Incorrect

Section 9.9.3.2

5.1 Errata

1193 Parking protocol field link is incorrect

Section 5.2.12.14, Table 5-60

5.1 Errata

1190 Table references in Section 18 - ACPI Platform Error Interfaces (APEI) are incorrect

Table 18-383, Table 18-385

5.1 Errata

1189 _CCA attribute default value description does not work for ARM systems

Section 6.2.17

5.1

1181 MADT GICC table definition is wrong

Table 5-61, 5.2.12.14

5.1

1180 FADT minor version byte length is wrong

May-34

5.1

1179 Errors in GTDT Section of 5.1 draft

5.2.24, 5.2.24.1, Tables 5-115, 5-118, 5-121, 5-122

5.1

1175 Bad section reference in ACPI 5.1

19.2.3

5.1

1164 Modifications to UEFI Forum ownership of PNP ID and ACPI ID Registry

6.1.5

5.1

1161 Misc typos in draft documents

5.2.1.6, 5.2.16.4, 5.2.24, 5.2.12.14, 5.2.24.1.1, Table 5-74, Table 5-115-116, Table 5-118-119, Table 5-121, Table 5-61, 5-61 8.4.5.1, 8.4.5.1.2.3 Table 6-162, Table 8-229, RM duplicates from 1123/1130:8.4.5.1.31.1

5.1

1160 ACPI 5.1 draft corrections related to _DSD (SEE #1126)

6.2.5, Table 5-148 & 6-157

5.1

1157 Reserve ACPI Low Power Idle Table Signature “LPIT”

Table 5-31

5.1

1155 Updates to M1133 MADT

Table 5-63, 5-64

5.1

1151 Bug in ASL example code

PRT3 code example following Figure 9-49

5.1

1149 GTDT changes for new GT Configurations

5.2.24, 5.24.1x

5.1

1136 Add a Notification Type for System Resource Affinity Change Event

Table 5-119 Device Object Notifications, new 17.2.2

5.1

1134 FADT changes for PSCI Support on ARM platforms

Table 5-34, 5-36, New table 5-37

5.1

1135 PCC Doorbell Protocol for HW-Reduced Platforms

14.1.1, 14.1.2-4, 14.2.1-2, 14.3-4

5.1

1133 MADT Updates for new GICs

5.2.12.15-17, Table 5-43, 5.2.12 table 5-45, 5-60, 5-61, 5-63, 5-66

5.1

1131 Per-device Cache-coherency Attribute

6.2, 6.2.16, Was Table 6-142–>Table 6-153

5.1

1126 Add _DSD Predefined Object– “DeviceSpecific Data” properties

Was Table 5-133 & 6-142 now–>5-148 & 6-157

5.1

1123 CPPC Performance Feedback Counter Change, 1130 CPPC2, [overlapping/duplicate tickets]

Tables 5-126, 8.4.5, 8.4.5.1x , 8.4.5.1, 8.4.5.1.3.1-4

5.1

1116 Add x2APIC and GIC structure for _MAT method

6.2.10

5.0 B

1145 Support GICs in proximity domain

5.2.16 5.2. new section 16.4 new tables, 6.2.13 Table 5-65

5.0 B

1144 Fix the gap for Notify value description

5.6.6, new tables: Table 5-132, 5-133

5.0 B

1142 Error Source Notifications

18.3.2.6.2, 18.4, Table 18-290

5.0 B

1117 Move http://acpi.info/links.htm content to UEFI Forum Website

1.10, 5.2.4, 5.2.22.3, 5.2.24, 5.6.7, 9.8.3.2, 13, 13.2.2 A.2.4, A.2.5, Tables 5-31, 5-60, 5-133

5.0 B

1113 Typos in ACPI 5.0a

Table 6-184

5.0 B

1148 Inconsistent BIX object description/example

Was Table 10-234–>10-250

5.0 B

1143 Typos in ACPI 5.0a

6.1.8, 8.4.1

5.0 B

1102 Clarify Use of GPE Block Devices in Hardware-Reduced ACPI

3.11.1, 4.1, 9.10

5.0 B

Mantis 1114 Lack of description on Bit 4 of _STA

6.3.7

5.0 A

Jira 51 incorrect type information

Table 19-322

5.0 A

Jira 50 Misspelling of “management”

3.1

5.0 A

Jira 49 Updated description of DerefOf to specify behavior when attempt is made to de-reference a reference (via Index) to a NULL (empty) package element.

19.5.29

5.0 A

Jira 48 Text changes to change PM Timer from required to optional

4.8.1.4, 4.8.2.1, 4.8.3.3, 5.2.9

5.0 A

Jira 46 Figure 5-29 is a printer killer

Fig 5-29

5.0 A

Jira 45 Typos in Figure 5-30

Fig 5-30

5.0 A

Jira 44 Link issues in table 5-133

Table 5-133

5.0 A

Jira 43 Invalid AddressSpaced keywords in example ASL code, orphan _REG

6.5.4

5.0 A

Jira 42 Serious bug in ASL example code for _OSC

6.2.10.4

5.0 A

Jira 41 Fix problems with PCC address space description

14.5

5.0 A

Jira 40 Issues with _GRT and _SRT Buffer description

9.18.3, 9.18.4

5.0 A

Jira 39 Clarification needed for _CST

Table 8-206

5.0 A

Jira 38 Incorrect field name in “Generic Register Descriptor”.

6.4.3.7

5.0 A

Jira 37 Clarifications for _CPC method

8.4.5.1.2.1-2

5.0 A

Jira 36 Restore legality of module-level executable AML code.

19.1.3

5.0 A

Jira 35 ASL grammar: “UserTerm” is confusing

19.1

5.0 A

Jira 34 Description of _GTM has a bad line with very large font

9.8.2.1.1

5.0 A

Jira 33 Missing information in _CPC description

8.4.5.1

5.0 A

Jira3 2 Error in description of _REG method

6.5.4

5.0 A

Jira 31 Clarify length field for Serial resource descriptor

6.4.3.8.2, Table 6-190

5.0 A

Jira 30 Argument descriptions in incorrect order for resource descriptors

19.5.41, 19.5.101

5.0 A

Jira 29 Issues with memory descriptors (grammar and macros)

19.1, 19.5

5.0 A

Jira 28 Problems with ASL grammar entry for DWordMemory

19.1.8

5.0 A

Jira 27 Problems with Unicode description for _MLS method

6.1.7

5.0 A

Jira 26 Incorrect grammar for “32-bits” and “64-bits”

Throughout spec

5.0 A

Jira 25 Incorrect table reference in 19.2.5.4

19.2.5.4

5.0 A

Jira 24 Resource Descriptor tables – formatting issues

6.4

5.0 A

Jira 23 Interrupt Descriptors: Wake bit should be split from Share bit

6.4

5.0 A

Jira 22 ASL grammar for ObjectType operator is incorrect

19.1.6

5.0 A

Jira 21 ASL grammar is missing description of type 6 opcodes

19.1.5

5.0 A

Jira 20 Problems with table 5-31 (reserved ACPI table signatures)

Table 5-31

5.0 A

Jira 19 Clarify description of _BQC method

B.5.4

5.0 A

Jira 18 Fix for EC OpRegion availability example

5.2.15

5.0 A

Jira 17 Clarify meaning of BGRT status field

Table 5-97

5.0 A

Jira 16 Correction to _DSM example

9.14.1

5.0 A

Jira 15 Clarify _DSM backward compatibility requirement and example

9.15.1

5.0 A

Jira 14 Description of _CPC is missing definition of unsupported optional registers

8.4.5.1

5.0 A

Jira 13 Incorrect _PLD name expansion

Table 5-133, 6.1.8

5.0 A

Jira 12 PLD description needs clarification

6.1.8

5.0 A

Jira 11 Errata forwarded from HP

5.2.24, 5.6.5.3

5.0 A

Jira 10 More issues with ACPI table 5-133

Table 5-133

5.0 A

Jira 7 Error in QWordIO, ExtendedIO descriptions

19.5.41, 19.5.101

5.0 A

Jira 6 Appendix A is now misnamed in ACPI 5.0

Appendix A

5.0 A

Jira 5 PARTIAL–Need group agreement–Method _GTS and _BFS are unused, should be removed from ACPI spec.

7.3, 7.3.3, 16.1, 16.1.6-7, fig. 7-204

5.0 A

Jira 4 Table 5-133 - issues with _Sx methods

Table 5-133

5.0 A

Jira 3 Issues with predefined names table (table 5-133)

Table 5-133

5.0 A

Jira 2 Description of new sleep control register incorrect

Table 4-24

5.0 A

Jira 1 SystemCMOS keyword inconsistencies

Table 5-114, 5.5.2.4.1, 6.5.4 19, 5.96, 9.15.1-2, 19.5.96, 20.2.5.2

5.0

Ptec-002

5.2.6

5.0

MSFT-020 Enumeration Power Controls

7.2.7, 7.2.12

5.0

MSFT-019 GTDT table

5.2.24

5.0

MSFT_0018 Locking Targets from AML

5.7.5

5.0

MSFT-0017 PLD clarification for handhelf form factors

5.1.8

5.0

MSFT-0016 Extended GPIO-signaled Event Numbers

5.6.5.3

5.0

MSFT-0015 (0.1) D3 Cold Errata

7.2.1, 7.2.18 through 7.2.22

5.0

MSFT-0014

5.2.23

5.0

MSFT-0013_ADR for SIO

6.2

5.0

MSFT-0012 ROM (Get ROM Data)

5.6.6, 9.16

5.0

MSFT-010 Reserved Table Signatures

5.2.6

5.0

MSFT-0009 (0.4)TimeAndAlarmDevice Modification

9.18

5.0

MSFT-0008 Collaborative Processor Performance Control

8.4.5

5.0

MSFT-0007 Platform Communications Channel added (new ch. 14)

Ch 14 (new)

5.0

MSFT-0007-0008 Platform Communication Channel and CPPC changes

Ch 14 (new)

5.0

MSFT-0006 SPB Abstraction

3.11.3, 5.5.2.4.5.x, 6.4.3.8.2, 6.5.8, 18.1.3, 18.1.6, 18.1.7, 18.5.44, 18.5x, 19.2.5.2

5.0

MSFT-0005 GPIO Abstraction

5.5.2.4.x, 5.6, 5.6.5.x, 6.4.3, 6.3.8.x, 18.5.51, 18.5.52, 18.5.89

5.0

MSFT-0004 (0.2) Fixed DMA Descriptor

6.4.2.9, 18.5.50

5.0

MSFT-0003 Device identification

6.1, 6.1.3, 6.1.5, 6.1.6, 6.1.9

5.0

MSFT-0002 Interrupt Descriptors for Generic Interrupt Controller

5.2.11, 5.2.14-15

5.0

MSFT-0001 HW-reduced ACPI

3.11.x, 4, 4.1.x, 4.3.7, 5.2.9, 5.2.9.1, 6.4.2.1, 6.4.3.6, 7.2.11, 7.3.4, 9.6, 12, 12.1, 12.6, 12.11, 12.11.1, 15, 15.1.x, 15.3, 15.3.1.x, 18.5.55, 18.5.57

5.0

INTC-0014 Remove a line (reference) not needed

A.2.3

5.0

INTC-0013

n/a

5.0

INTC-0012 fix AML opcode table

19.3

5.0

INTC-0011 fix table offsets

18.6.x (tables)

5.0

INTC-0010 Update Constant Descriptions

18.5.88, 18.5.89, 18.5.104, 18.5.136

5.0

INTC0009 RASF

5.2.20.x

5.0

INTC-008

5.2.6

5.0

INTC-006 Fixed Example

6.2.10.4

5.0

INTC-005 Update Package Description

18.5.92

5.0

INTC-004 Table Definition Language

20, 21.x

5.0

INTC-003 MPST

6.1, 6.1.3, 6.1.5, 6.1.6, 6.1.9

5.0

INTC-002 EINJ

17.6.1, 17.6.3, 17.6.5

5.0

INTC-001 (0.8) Firmware Performance Data Table (FPDT)

5.2.20.4, 5.2.20.6

5.0

INTC-001 Firmware Performance Data Table (FPDT) (0.4)

5.2.19- 5.2.20.6

5.0

HP-0002 Additional Hardware Error Notification Types

18.3.2.7

5.0

HP-0001 (0.2) BMC Requested Graceful Shutdown

5.6.5, 6.3.5

5.0

ACPI4.0 _DSM function 0 clarification

9.14.1

5.0

AMD-002 0.3 ROM (Get ROM Data)

B.3.3

4.0a

Errata corrected and clarifications added.

2.2, 5.2.6, 5.2.12.4, 5.2.18, 5.5.2.4.3.1, 5.6.5, 5.6.6, 5.6.7, 6.4.2.8, 6.4.3.5.1-3, 6.5.7, 8.4.3.4, 8.4.4.5, 8.4.5, 9.2.5, 9.8.2.1.1, 9.10, 9.13, 10.4.1, 10.1.3.1, 10.2.2, 10.2.1.1-2, 10.2.2.8, 10.2.2.9, , 10.3, 10.3.3, 10.4, 10.3.4, 10.4.1, 10.5, 15.1, 17.1, 17.3.1, 17.3.2.6.1, 17.3.2.6.2, 17.4, 17.5.1.1, 17.6.1, 17.6.3, 18.1.8, 18.5.44, 18.5.89, 18.5.101

4.0

Major specification revision. Clock Domains, x2APIC Support, Logical Processor Idling, Corrected Platform Error Polling Table, Maximum System Characteristics Table, Power Metering and Budgeting, IPMI Operation Region, USB3 Support in _PLD, Re-evaluation of _PPC acknowledgement via _OST, Thermal Model Enhancements, _OSC at _SB, Wake Alarm Device, Battery Related Extensions, Memory Bandwidth Monitoring and Reporting, ACPI Hardware Error Interfaces, D3hot.

n/a

3.0b

Errata corrected and clarifications added.

n/a

3.0a

Errata corrected and clarifications added.

n/a

3.0

Major specification revision. General configuration enhancements. Inter-Processor power, performance, and throttling state dependency support added. Support for > 256 processors added. NUMA Distancing support added. PCI Express support added. SATA support added. Ambient Light Sensor and User Presence device support added. Thermal model extended beyond processor-centric support.

n/a

2.0c

Errata corrected and clarifications added.

n/a

2.0b

Errata corrected and clarifications added.

n/a

2.0a

Errata corrected and clarifications added. ACPI 2.0 Errata Document Revision 1.0 through 1.5 integrated.

n/a

2.0 Errata Rev. 1.5

Errata corrected and clarifications added.

n/a

2.0 Errata Rev. 1.4

Errata corrected and clarifications added.

n/a

2.0 Errata Rev. 1.3

Errata corrected and clarifications added.

n/a

2.0 Errata Rev. 1.2

Errata corrected and clarifications added.

n/a

2.0 Errata Rev. 1.1

Errata corrected and clarifications added.

n/a

2.0 Errata Rev. 1.0

Errata corrected and clarifications added.

n/a

2.0

Major specification revision. 64-bit addressing support added. Processor and device performance state support added. Numerous multiprocessor workstation and server-related enhancements. Consistency and readability enhancements throughout.

n/a

1.0b

Errata corrected and clarifications added. New interfaces added.

n/a

1.0a

Errata corrected and clarifications added. New interfaces added.

n/a

1.0

Original Release.

n/a