Transcription of Advanced Configuration and Power Interface (ACPI) …
1 Advanced Configuration and PowerInterface (ACPI) SpecificationRelease Errata AUEFI Forum, 06, 2020 TABLE OF CONTENTS1 Goals.. Management Rationale.. Support.. Implementation Strategy.. and Sleep Buttons.. Specification and the Structure of ACPI.. and Platform Compliance.. Implementations of ACPI-defined Interfaces.. Features and Interface Descriptions for Design Guides.. Examples for Design Guides.. Implementations.. Requirements.. Audience.. Organization.. Introduction and Overview.. Models.. Details.. Reference.. Numbers.. Related Documents.
2 532 Definition of ACPI Terminology.. System State Definitions.. Power State Definitions.. Performance States.. and Soft-off State Definitions.. Power State Definitions.. and Processor Performance State Definitions..643 ACPI Power Management.. States.. Button.. Power Management Characteristics.. PC.. PCs.. and Server PCs.. Power Management.. Power Management Model .. Management Standards .. Power States .. Power State Definitions .. Device Power .. Device Power Capabilities .. Device Power States .. Device Power Status .. the System.
3 : Modem Device Power Management .. the Modem Capabilities .. the Modem Power State .. the Modem Power Status .. the System .. Power Management .. and Processor Performance States .. and Plug and Play .. Configuration Example: Configuring the Modem .. Nodes .. Events .. Management .. Communications .. Capacity .. Gas Gauge .. Battery Levels .. Shutdown .. Calibration .. Thermal Management .. Active and Passive Cooling Modes .. Performance vs. Energy Conservation .. Acoustics (Noise) .. Multiple Thermal Zones.
4 Flexible Platform Architecture Support .. Hardware-reduced ACPI .. Interrupt-based Wake Events .. Low- Power Idle .. Low Power S0 Idle Capable Flag .. Connection Resources .. Supported Platforms ..854 ACPI Hardware ACPI .. Events .. Events or Interrupt Signaled Events .. Wake Events .. Hardware Programming Model .. Hardware Programming Model .. Legend .. Bit Notation .. ACPI Hardware Model .. Reserved Bits .. Ignored Bits .. Write-Only Bits .. Device Dependencies .. 1: Related Device Interference.
5 2: Unrelated Device Interference .. Hardware Features .. Register Model .. Register Summary .. Event Registers .. Control Registers .. Control Register .. Timer Register .. Control Block (P_BLK) .. Event Registers .. Hardware Features .. Management Timer .. Buttons .. Control .. Time Clock Alarm .. Select and the SCI Interrupt .. Control .. Fixed Hardware Registers .. PM1 Event Grouping .. PM1 Control Grouping .. Power Management Timer (PM_TMR) .. PM2 Control (PM2_CNT).
6 Processor Register Block (P_BLK) .. Reset Register .. Sleep Control and Status Registers .. Generic Hardware Registers .. General-Purpose Event Register Blocks .. Example Generic Devices .. 1255 ACPI Software Programming of the System Description Table Architecture .. Space Translation .. System Description Tables .. Bits and Fields .. Bits and Software Components .. Values and Software Components .. Hardware Bits and Software Components .. Hardware Bits and Software Components.
7 Format .. Fixed Hardware .. Address Structure .. Unique Identifiers (UUIDs) .. System Description Pointer (RSDP) .. the RSDP on IA-PC Systems .. the RSDP on UEFI Enabled Systems .. System Description Pointer (RSDP) Structure .. Description Table Header .. System Description Table (RSDT) .. System Description Table (XSDT) .. ACPI Description Table (FADT) .. PM Profile System Types .. Type Attributes .. Boot Architecture Flags .. Architecture Boot Flags .. Firmware ACPI Control Structure (FACS).
8 Global Lock .. Definition Blocks .. Differentiated System Description Table (DSDT) .. Secondary System Description Table (SSDT) .. Persistent System Description Table (PSDT) .. Multiple apic Description Table (MADT) .. MADT Processor Local apic / SAPIC Structure Entry Order .. Processor Local apic Structure .. I/O apic Structure .. Platforms with apic and Dual 8259 Support .. Interrupt Source Override Structure .. Non-Maskable Interrupt (NMI) Source Structure .. Local apic NMI Structure.
9 Local apic Address Override Structure .. I/O SAPIC Structure .. Local SAPIC Structure .. Platform Interrupt Source Structure .. Processor Local x2 apic Structure .. Local x2 apic NMI Structure .. GIC CPU Interface (GICC) Structure .. GIC Distributor (GICD) Structure .. GIC MSI Frame Structure .. GIC Redistributor (GICR) Structure .. GIC Interrupt Translation Service (ITS) Structure .. Global System Interrupts .. Smart Battery Table (SBST) .. Embedded Controller Boot Resources Table (ECDT).
10 System Resource Affinity Table (SRAT) .. Processor Local apic /SAPIC Affinity Structure .. Memory Affinity Structure .. Processor Local x2 apic Affinity Structure .. GICC Affinity Structure .. GIC Interrupt Translation Service (ITS) Affinity Structure .. Generic Initiator Affinity Structure .. System Locality Information Table (SLIT) .. Corrected Platform Error Polling Table (CPEP) .. Corrected Platform Error Polling Processor Structure .. Maximum System Characteristics Table (MSCT).
