Version 1.8 Errata A¶
March 5, 2024
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Table of Contents¶
- 1. Introduction
- 2. Overview
- 3. PEI Services Table
- 4. Services - PEI
- 5. PEI Foundation
- 5.1. Introduction
- 5.1.1. Prerequisites
- 5.1.2. Processor Execution Mode
- 5.1.2.1. Processor Execution Mode in IA-32 Intel ® Architecture
- 5.1.2.2. Processor Execution Mode in Itanium ® Processor Family
- 5.1.2.3. Access to the Boot Firmware Volume (BFV) andother boot-critical FVs
- 5.1.2.4. Access to the Boot Firmware Volume in IA-32Intel Architecture
- 5.1.2.5. Access to the Boot Firmware Volume in ItaniumProcessor Family
- 5.2. PEI Foundation Entry Point
- 5.3. PEI Calling Convention Processor Binding
- 5.4. PEI Services Table Retrieval
- 5.5. PEI Dispatcher Introduction
- 5.6. Ordering
- 5.7. Dependency Expressions
- 5.8. Dispatch Algorithm
- 5.8.1. Overview
- 5.8.2. Requirements
- 5.8.2.1. Requirements of a Dispatching Algorithm
- 5.8.2.2. Preserving Weak Ordering
- 5.8.2.3. Preventing Infinite Loops
- 5.8.2.4. Controlling Processor Register Resources
- 5.8.2.5. Preserving Proper Dispatch Order
- 5.8.2.6. Using Available Memory
- 5.8.2.7. Invoking the PEIM’s Entry Point
- 5.8.2.8. Knowing When Dispatcher Tasks Are Finished
- 5.8.2.9. Reporting PEI Core Location
- 5.8.3. Example Dispatch Algorithm
- 5.8.4. Dispatching When Memory Exists
- 5.8.5. PEIM Dispatching
- 5.8.6. PEIM Authentication
- 5.1. Introduction
- 6. Architectural PPIs
- 6.1. Introduction
- 6.2. Required Architectural PPIs
- 6.3. Optional Architectural PPIs
- 6.3.1. Boot in Recovery Mode PPI (Optional)
- 6.3.2. End of PEI Phase PPI (Optional)
- 6.3.3. PEI Reset PPI
- 6.3.4. PEI Reset2 PPI
- 6.3.5. Status Code PPI (Optional)
- 6.3.6. Security PPI (Optional)
- 6.3.7. Temporary RAM Support PPI (Optional)
- 6.3.8. Temporary RAM Done PPI (Optional)
- 6.3.9. EFI_PEI_CORE_FV_LOCATION_PPI
- 7. PEIMs
- 8. Additional PPIs
- 8.1. Introduction
- 8.2. Required Additional PPIs
- 8.3. Optional Additional PPIs
- 8.3.1. SEC Platform Information PPI (Optional)
- 8.3.2. SEC Platform Information 2 PPI (Optional)
- 8.3.3. Loaded Image PPI (Optional)
- 8.3.4. SEC HOB PPI
- 8.3.5. Recovery
- 8.3.6. EFI PEI Recovery Block IO2 PPI
- 8.3.7. EFI PEI Vector Handoff Info PPI
- 8.3.8. CPU I/O PPI (Optional)
- 8.3.8.1. EFI_PEI_CPU_IO_PPI (Optional)
- 8.3.8.2. EFI_PEI_CPU_IO_PPI.Mem()
- 8.3.8.3. EFI_PEI_CPU_IO_PPI.Io()
- 8.3.8.4. EFI_PEI_CPU_IO_PPI.IoRead8()
- 8.3.8.5. EFI_PEI_CPU_IO_PPI.IoRead16()
- 8.3.8.6. EFI_PEI_CPU_IO_PPI.IoRead32()
- 8.3.8.7. EFI_PEI_CPU_IO_PPI.IoRead64()
- 8.3.8.8. EFI_PEI_CPU_IO_PPI.IoWrite8()
- 8.3.8.9. EFI_PEI_CPU_IO_PPI.IoWrite16()
- 8.3.8.10. EFI_PEI_CPU_IO_PPI.IoWrite32()
- 8.3.8.11. EFI_PEI_CPU_IO_PPI.IoWrite64()
- 8.3.8.12. EFI_PEI_CPU_IO_PPI.MemRead8()
- 8.3.8.13. EFI_PEI_CPU_IO_PPI.MemRead16()
- 8.3.8.14. EFI_PEI_CPU_IO_PPI.MemRead32()
- 8.3.8.15. EFI_PEI_CPU_IO_PPI.MemRead64()
- 8.3.8.16. EFI_PEI_CPU_IO_PPI.MemWrite8()
- 8.3.8.17. EFI_PEI_CPU_IO_PPI.MemWrite16()
- 8.3.8.18. EFI_PEI_CPU_IO_PPI.MemWrite32()
- 8.3.8.19. EFI_PEI_CPU_IO_PPI.MemWrite64()
- 8.3.9. EFI Pei Capsule PPI
- 8.3.9.1. EFI_PEI_CAPSULE_PPI (Optional)
- 8.3.9.2. EFI_PEI_CAPSULE_PPI.Coalesce
- 8.3.9.3. EFI_PEI_CAPSULE_CHECK_CAPSULE_UDPATE.CheckCapsuleUpdate()
- 8.3.9.4. EFI_PEI_CAPSULE_CHECK_CAPSULE_UDPATE.CapsuleCreateState()
- 8.3.9.5. EFI_PEI_MP_SERVICES_PPI (Optional)
- 8.3.9.6. EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors()
- 8.3.9.7. EFI_PEI_MP_SERVICES_PPI.GetProcessorInfo()
- 8.3.9.8. EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()
- 8.3.9.9. EFI_PEI_MP_SERVICES_PPI.StartupThisAP ()
- 8.3.9.10. EFI_PEI_MP_SERVICES_PPI.SwitchBSP ()
- 8.3.9.11. EFI_PEI_MP_SERVICES_PPI.WhoAmI ()
- 8.3.9.12. EDKII_PEI_MP_SERVICES2_PPI (Optional)
- 8.3.9.13. EDKII_PEI_MP_SERVICES2_PPI.GetNumberOfProcessors()
- 8.3.9.14. EDKII_PEI_MP_SERVICES2_PPI.GetProcessorInfo()
- 8.3.9.15. EDKII_PEI_MP_SERVICES2_PPI.StartupAllAPs()
- 8.3.9.16. EDKII_PEI_MP_SERVICES2_PPI.StartupThisAP ()
- 8.3.9.17. EDKII_PEI_MP_SERVICES2_PPI.SwitchBSP ()
- 8.3.9.18. EDKII_PEI_MP_SERVICES2_PPI.WhoAmI ()
- 8.3.9.19. EDKII_PEI_MP_SERVICES2_PPI.StartupAllCPUs ()
- 8.4. Graphics PEIM Interfaces
- 9. PEI to DXE Handoff
- 10. Boot Paths
- 11. PEI Physical Memory Usage
- 12. Special Paths Unique to the Itanium® Processor Family
- 13. Security (SEC) Phase Information
- 14. Dependency Expression Grammar
- 15. TE Image
- 16. TE Image Creation
- 17. TE Image Loading
- 1. Introduction
- 2. Overview
- 3. Boot Manager
- 4. UEFI System Table
- 5. Services - Boot Services
- 6. Runtime Capabilities
- 7. Services - DXE Services
- 7.1. Introduction
- 7.2. Global Coherency Domain Services
- 7.2.1. Global Coherency Domain (GCD) Services Overview
- 7.2.2. GCD Memory Resources
- 7.2.3. GCD I/O Resources
- 7.2.4. Global Coherency Domain Services
- 7.2.4.1. AddMemorySpace()
- 7.2.4.2. AllocateMemorySpace()
- 7.2.4.3. FreeMemorySpace()
- 7.2.4.4. RemoveMemorySpace()
- 7.2.4.5. GetMemorySpaceDescriptor()
- 7.2.4.6. SetMemorySpaceAttributes()
- 7.2.4.7. SetMemorySpaceCapabilities()
- 7.2.4.8. GetMemorySpaceMap()
- 7.2.4.9. AddIoSpace()
- 7.2.4.10. AllocateIoSpace()
- 7.2.4.11. FreeIoSpace()
- 7.2.4.12. RemoveIoSpace()
- 7.2.4.13. GetIoSpaceDescriptor()
- 7.2.4.14. GetIoSpaceMap()
- 7.3. Dispatcher Services
- 8. Protocols - Device Path Protocol
- 9. DXE Foundation
- 9.1. Introduction
- 9.2. Hand-Off Block (HOB) List
- 9.3. DXE Foundation Data Structures
- 9.4. Required DXE Foundation Components
- 9.5. Handing Control to DXE Dispatcher
- 9.6. DXE Foundation Entry Point
- 9.7. Dependencies
- 9.8. HOB Translations
- 10. DXE Dispatcher
- 10.1. Introduction
- 10.2. Requirements
- 10.3. The A Priori File
- 10.4. Firmware Volume Image Files
- 10.5. Dependency Expressions
- 10.6. Dependency Expressions Overview
- 10.7. Dependency Expression Instruction Set
- 10.8. Dependency Expression with No Dependencies
- 10.9. Empty Dependency Expressions
- 10.10. Dependency Expression Reverse Polish Notation (RPN)
- 10.11. DXE Dispatcher State Machine
- 10.12. Example Orderings
- 10.13. Security Considerations
- 11. DXE Drivers
- 12. DXE Architectural Protocols
- 12.1. Introduction
- 12.2. Boot Device Selection (BDS) Architectural Protocol
- 12.3. CPU Architectural Protocol
- 12.3.1. EFI_CPU_ARCH_PROTOCOL
- 12.3.2. EFI_CPU_ARCH_PROTOCOL.FlushDataCache()
- 12.3.3. EFI_CPU_ARCH_PROTOCOL.EnableInterrupt()
- 12.3.4. EFI_CPU_ARCH_PROTOCOL.DisableInterrupt()
- 12.3.5. EFI_CPU_ARCH_PROTOCOL.GetInterruptState()
- 12.3.6. EFI_CPU_ARCH_PROTOCOL.Init()
- 12.3.7. EFI_CPU_ARCH_PROTOCOL.RegisterInterruptHandler()
- 12.3.8. EFI_CPU_ARCH_PROTOCOL.GetTimerValue()
- 12.3.9. EFI_CPU_ARCH_PROTOCOL.SetMemoryAttributes()
- 12.4. Metronome Architectural Protocol
- 12.5. Monotonic Counter Architectural Protocol
- 12.6. Real Time Clock Architectural Protocol
- 12.7. Reset Architectural Protocol
- 12.8. Runtime Architectural Protocol
- 12.9. Security Architectural Protocols
- 12.10. Timer Architectural Protocol
- 12.11. Variable Architectural Protocol
- 12.12. Variable Write Architectural Protocol
- 12.13. EFI Capsule Architectural Protocol
- 12.14. Watchdog Timer Architectural Protocol
- 13. DXE Boot Services Protocol
- 13.1. Overview
- 13.2. Conventions and Abbreviations
- 13.3. MP Services Protocol Overview
- 13.4. MP Services Protocol
- 13.4.1. EFI_MP_SERVICES_PROTOCOL
- 13.4.2. EFI_MP_SERVICES_PROTOCOL.GetNumberOfProcessors()
- 13.4.3. EFI_MP_SERVICES_PROTOCOL.GetProcessorInfo()
- 13.4.4. EFI_MP_SERVICES_PROTOCOL.StartupAllAPs()
- 13.4.5. EFI_MP_SERVICES_PROTOCOL.StartupThisAP()
- 13.4.6. EFI_MP_SERVICES_PROTOCOL.SwitchBSP()
- 13.4.7. EFI_MP_SERVICES_PROTOCOL.EnableDisableAP()
- 13.4.8. EFI_MP_SERVICES_PROTOCOL.WhoAmI()
- 14. DXE Runtime Protocols
- 15. Dependency Expression Grammar
- 1. Introduction
- 2. Firmware Storage Design Discussion
- 2.1. Firmware Storage Introduction
- 2.2. PI Architecture Firmware File System Format
- 3. Firmware Storage Code Definitions
- 3.1. Firmware Storage Code Definitions Introduction
- 3.2. Firmware Storage Formats
- 3.2.1. Firmware Volume
- 3.2.2. Firmware File System
- 3.2.3. Firmware File
- 3.2.4. Firmware File Section
- 3.2.5. Firmware File Section Types
- 3.2.5.1. EFI_SECTION_COMPATIBILITY16
- 3.2.5.2. EFI_SECTION_COMPRESSION
- 3.2.5.3. EFI_SECTION_DISPOSABLE
- 3.2.5.4. EFI_SECTION_DXE_DEPEX
- 3.2.5.5. EFI_SECTION_FIRMWARE_VOLUME_IMAGE
- 3.2.5.6. EFI_SECTION_FREEFORM_SUBTYPE_GUID
- 3.2.5.7. EFI_SECTION_GUID_DEFINED
- 3.2.5.8. EFI_SECTION_PE32
- 3.2.5.9. EFI_SECTION_PEI_DEPEX
- 3.2.5.10. EFI_SECTION_PIC
- 3.2.5.11. EFI_SECTION_RAW
- 3.2.5.12. EFI_SECTION_MM_DEPEX
- 3.2.5.13. EFI_SECTION_TE
- 3.2.5.14. EFI_SECTION_USER_INTERFACE
- 3.2.5.15. EFI_SECTION_VERSION
- 3.3. PEI
- 3.3.1. EFI_PEI_FIRMWARE_VOLUME_INFO_PPI
- 3.3.2. EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI
- 3.3.3. PEI Firmware Volume PPI
- 3.3.3.1. EFI_PEI_FIRMWARE_VOLUME_PPI
- 3.3.3.2. EFI_PEI_FIRMWARE_VOLUME_PPI.ProcessVolume()
- 3.3.3.3. EFI_PEI_FIRMWARE_VOLUME_PPI.FindFileByType()
- 3.3.3.4. EFI_PEI_FIRMWARE_VOLUME_PPI.FindFileByName()
- 3.3.3.5. EFI_PEI_FIRMWARE_VOLUME_PPI.GetFileInfo()
- 3.3.3.6. EFI_PEI_FIRMWARE_VOLUME_PPI.GetFileInfo2()
- 3.3.3.7. EFI_PEI_FIRMWARE_VOLUME_PPI.GetVolumeInfo()
- 3.3.3.8. EFI_PEI_FIRMWARE_VOLUME_PPI.FindSectionByType()
- 3.3.3.9. EFI_PEI_FIRMWARE_VOLUME_PPI.FindSectionByType2()
- 3.3.4. PEI Load File PPI
- 3.3.5. PEI Guided Section Extraction PPI
- 3.3.6. PEI Decompress PPI
- 3.4. DXE
- 3.4.1. Firmware Volume2 Protocol
- 3.4.1.1. EFI_FIRMWARE_VOLUME2_PROTOCOL
- 3.4.1.2. EFI_FIRMWARE_VOLUME2_PROTOCOL.GetVolumeAttributes()
- 3.4.1.3. EFI_FIRMWARE_VOLUME2_PROTOCOL.SetVolumeAttributes()
- 3.4.1.4. EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadFile()
- 3.4.1.5. EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection()
- 3.4.1.6. EFI_FIRMWARE_VOLUME2_PROTOCOL.WriteFile()
- 3.4.1.7. EFI_FIRMWARE_VOLUME2_PROTOCOL.GetNextFile()
- 3.4.1.8. EFI_FIRMWARE_VOLUME2_PROTOCOL.GetInfo()
- 3.4.1.9. EFI_FIRMWARE_VOLUME2_PROTOCOL.SetInfo()
- 3.4.2. Firmware Volume Block2 Protocol
- 3.4.2.1. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL
- 3.4.2.2. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.GetAttributes()
- 3.4.2.3. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.SetAttributes()
- 3.4.2.4. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.GetPhysicalAddress()
- 3.4.2.5. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.GetBlockSize()
- 3.4.2.6. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.Read()
- 3.4.2.7. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.Write()
- 3.4.2.8. EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL.EraseBlocks()
- 3.4.3. Guided Section Extraction Protocol
- 3.4.1. Firmware Volume2 Protocol
- 3.5. SMM
- 4. HOB Design Discussion
- 5. HOB Code Definitions
- 5.1. HOB Introduction
- 5.2. HOB Generic Header
- 5.3. PHIT HOB
- 5.4. Memory Allocation HOB
- 5.5. Resource Descriptor HOB
- 5.6. GUID Extension HOB
- 5.7. Firmware Volume HOB
- 5.8. CPU HOB
- 5.9. Memory Pool HOB
- 5.10. UEFI Capsule HOB
- 5.11. Unused HOB
- 5.12. End of HOB List HOB
- 5.13. SMRAM Memory Hob
- 6. Status Codes
- 6.1. Status Codes Overview
- 6.2. Terms
- 6.3. Types of Status Codes
- 6.4. Hardware Classes
- 6.5. Software Classes
- 6.5.1. Host Software Class
- 6.5.2. Instance Number
- 6.5.3. Progress Code Operations
- 6.5.4. Error Code Operations
- 6.5.5. Subclasses
- 6.5.5.1. Defined Subclasses
- 6.5.5.2. Unspecified Subclass
- 6.5.5.3. SEC Subclass
- 6.5.5.4. PEI Foundation Subclass
- 6.5.5.5. PEI Module Subclass
- 6.5.5.6. DXE Foundation Subclass
- 6.5.5.7. DXE Boot Service Driver Subclass
- 6.5.5.8. DXE Runtime Service Driver Subclass
- 6.5.5.9. SMM Driver Subclass
- 6.5.5.10. EFI Application Subclass
- 6.5.5.11. OS Loader Subclass
- 6.5.6. Runtime (RT) Subclass
- 6.6. Code Definitions
- 6.7. Class Definitions
- 6.7.1. Computing Unit Class
- 6.7.1.1. Subclass Definitions
- 6.7.1.2. Progress Code Definitions
- 6.7.1.3. Error Code Definitions
- 6.7.1.4. Extended Data Formats
- 6.7.1.5. EFI_COMPUTING_UNIT_VOLTAGE_ERROR_DATA
- 6.7.1.6. EFI_COMPUTING_UNIT_MICROCODE_UPDATE_ERROR_DATA
- 6.7.1.7. EFI_COMPUTING_UNIT_TIMER_EXPIRED_ERROR_DATA
- 6.7.1.8. EFI_HOST_PROCESSOR_MISMATCH_ERROR_DATA
- 6.7.1.9. EFI_COMPUTING_UNIT_THERMAL_ERROR_DATA
- 6.7.1.10. EFI_CACHE_INIT_DATA
- 6.7.1.11. EFI_COMPUTING_UNIT_CPU_DISABLED_ERROR_DATA
- 6.7.1.12. EFI_MEMORY_EXTENDED_ERROR_DATA
- 6.7.1.13. EFI_STATUS_CODE_DIMM_NUMBER
- 6.7.1.14. EFI_MEMORY_MODULE_MISMATCH_ERROR_DATA
- 6.7.1.15. EFI_MEMORY_RANGE_EXTENDED_DATA
- 6.7.2. User-Accessible Peripherals Class
- 6.7.3. I/O Bus Class
- 6.7.4. Software Classes
- 6.7.4.1. Subclass Definitions
- 6.7.4.2. Progress Code Definitions
- 6.7.4.3. Error Code Definitions
- 6.7.4.4. Extended Data Formats
- 6.7.4.5. EFI_DEBUG_ASSERT_DATA
- 6.7.4.6. EFI_STATUS_CODE_EXCEP_EXTENDED_DATA
- 6.7.4.7. EFI_STATUS_CODE_START_EXTENDED_DATA
- 6.7.4.8. EFI_LEGACY_OPROM_EXTENDED_DATA
- 6.7.4.9. EFI_RETURN_STATUS_EXTENDED_DATA
- 6.7.1. Computing Unit Class
- 7. Report Status Code Routers
- 8. PCD
- 8.1. PCD Protocol Definitions
- 8.1.1. PCD Protocol
- 8.1.1.1. EFI_PCD_PROTOCOL
- 8.1.1.2. EFI_PCD_PROTOCOL.SetSku ()
- 8.1.1.3. EFI_PCD_PROTOCOL.Get8 ()
- 8.1.1.4. EFI_PCD_PROTOCOL.Get16 ()
- 8.1.1.5. EFI_PCD_PROTOCOL.Get32 ()
- 8.1.1.6. EFI_PCD_PROTOCOL.Get64 ()
- 8.1.1.7. EFI_PCD_PROTOCOL.GetPtr ()
- 8.1.1.8. EFI_PCD_PROTOCOL.GetBool ()
- 8.1.1.9. EFI_PCD_PROTOCOL.GetSize ()
- 8.1.1.10. EFI_PCD_PROTOCOL.Set8 ()
- 8.1.1.11. EFI_PCD_PROTOCOL.Set16 ()
- 8.1.1.12. EFI_PCD_PROTOCOL.Set32 ()
- 8.1.1.13. EFI_PCD_PROTOCOL.Set64 ()
- 8.1.1.14. EFI_PCD_PROTOCOL.SetPtr ()
- 8.1.1.15. EFI_PCD_PROTOCOL.SetBool ()
- 8.1.1.16. EFI_PCD_PROTOCOL.CallbackOnSet ()
- 8.1.1.17. EFI_PCD_PROTOCOL.CancelCallback ()
- 8.1.1.18. EFI_PCD_PROTOCOL.GetNextToken ()
- 8.1.1.19. EFI_PCD_PROTOCOL.GetNextTokenSpace ()
- 8.1.2. Get PCD Information Protocol
- 8.1.1. PCD Protocol
- 8.2. PCD PPI Definitions
- 8.2.1. PCD PPI
- 8.2.1.1. EFI_PEI_PCD_PPI
- 8.2.1.2. EFI_PEI_PCD_PPI.SetSku ()
- 8.2.1.3. EFI_PEI_PCD_PPI.Get8 ()
- 8.2.1.4. EFI_PEI_PCD_PPI.Get16 ()
- 8.2.1.5. EFI_PEI_PCD_PPI.Get32 ()
- 8.2.1.6. EFI_PEI_PCD_PPI.Get64 ()
- 8.2.1.7. EFI_PEI_PCD_PPI.GetPtr ()
- 8.2.1.8. EFI_PEI_PCD_PPI.GetSize ()
- 8.2.1.9. EFI_PEI_PCD_PPI.Set8 ()
- 8.2.1.10. EFI_PEI_PCD_PPI.Set16 ()
- 8.2.1.11. EFI_PEI_PCD_PPI.Set32 ()
- 8.2.1.12. EFI_PEI_PCD_PPI.Set64 ()
- 8.2.1.13. EFI_PEI_PCD_PPI.SetPtr ()
- 8.2.1.14. EFI_PEI_PCD_PPI.SetBool()
- 8.2.1.15. EFI_PEI_PCD_PPI.CallbackOnSet ()
- 8.2.1.16. EFI_PEI_PCD_PPI.CancelCallback ()
- 8.2.1.17. EFI_PEI_PCD_PPI.GetNextToken ()
- 8.2.1.18. EFI_PEI_PCD_PPI.GetNextTokenSpace ()
- 8.2.2. Get PCD Information PPI
- 8.2.1. PCD PPI
- 8.1. PCD Protocol Definitions
- 1. Overview
- 1.1. Definition of Terms
- 1.2. Management Mode (MM)
- 1.3. MM Driver Execution Environment
- 1.4. Initializing Management Mode in MM Traditional Mode
- 1.5. Initializing Management Mode in MM StandaloneMode
- 1.6. Entering & Exiting MM
- 1.7. MM Traditional Drivers
- 1.8. MM Traditional Driver Initialization
- 1.9. MM Standalone Driver Initialization
- 1.10. MM Traditional Driver Runtime
- 1.11. MM Standalone Driver Runtime
- 1.12. Dispatching MMI Handlers
- 1.13. MM Services
- 1.14. MM UEFI Protocols
- 2. MM Foundation Entry Point
- 3. Management Mode System Table (MMST)
- 3.1. MMST Introduction
- 3.2. EFI_MM_SYSTEM_TABLE
- 3.2.1. MmInstallConfigurationTable()
- 3.2.2. MmAllocatePool()
- 3.2.3. MmFreePool()
- 3.2.4. MmAllocatePages()
- 3.2.5. MmFreePages()
- 3.2.6. MmStartupThisAp()
- 3.2.7. MmInstallProtocolInterface()
- 3.2.8. MmUninstallProtocolInterface()
- 3.2.9. MmHandleProtocol()
- 3.2.10. MmRegisterProtocolNotify()
- 3.2.11. MmLocateHandle()
- 3.2.12. MmLocateProtocol()
- 3.2.13. MmiManage()
- 3.2.14. MmiHandlerRegister()
- 3.2.15. MmiHandlerUnRegister()
- 4. MM Protocols
- 4.1. Introduction
- 4.2. Status Codes Services
- 4.3. CPU Save State Access Services
- 4.3.1. EFI_MM_CPU_PROTOCOL
- 4.3.2. EFI_MM_CPU_PROTOCOL.ReadSaveState()
- 4.3.3. AARCH32/AARCH64 REGISTER AVAILABILITY
- 4.3.4. EFI_MM_SAVE_STATE_ARM_CSR, EFI_MM_SAVE_STATE_AARCH64_CSR
- 4.3.5. EFI_MM_SAVE_STATE_REGISTER_PROCESSOR_ID
- 4.3.6. EFI_MM_SAVE_STATE_REGISTER_LMA
- 4.3.7. EFI_MM_CPU_PROTOCOL.WriteSaveState()
- 4.4. MM Save State IO Info
- 4.5. MM CPU I/O Protocol
- 4.6. MM PCI I/O Protocol
- 4.7. MM Ready to Lock Protocol
- 4.8. MM MP protocol
- 4.8.1. EFI_MM_MP_PROTOCOL
- 4.8.2. EFI_MM_MP_PROTOCOL.Revision
- 4.8.3. EFI_MM_MP_PROTOCOL.Attributes
- 4.8.4. EFI_MM_MP_PROTOCOL.GetNumberOfProcessors()
- 4.8.5. EFI_MM_MP_PROTOCOL.DispatchProcedure()
- 4.8.6. EFI_MM_MP_PROTOCOL.BroadcastProcedure()
- 4.8.7. EFI_MM_MP_PROTOCOL.SetStartupProcedure()
- 4.8.8. EFI_MM_MP_PROTOCOL.CheckOnProcedure()
- 4.8.9. EFI_MM_MP_PROTOCOL.WaitForProcedure()
- 4.9. MM Configuration Protocol
- 4.10. MM End Of PEI Protocol
- 4.11. MM UEFI Ready Protocol
- 4.12. MM Ready To Boot Protocol
- 4.13. MM Exit Boot Services Protocol
- 4.14. MM Security Architecture Protocol
- 4.15. MM End of DXE Protocol
- 4.16. MM Handler State Notification Protocol
- 5. UEFI Protocols
- 6. PI PEI PPIs
- 7. MM Child Dispatch Protocols
- 7.1. Introduction
- 7.2. MM Software Dispatch Protocol
- 7.3. MM Sx Dispatch Protocol
- 7.4. MM Periodic Timer Dispatch Protocol
- 7.5. MM USB Dispatch Protocol
- 7.6. MM General Purpose Input (GPI) Dispatch Protocol
- 7.7. MM Standby Button Dispatch Protocol
- 7.8. MM Power Button Dispatch Protocol
- 7.9. MM IO Trap Dispatch Protocol
- 7.10. HOBs
- 8. Interactions with PEI, DXE, and BDS
- 9. Other Related Notes For Support Of MM Drivers
- 10. MCA/INIT/PMI Protocol
- 11. Extended SAL Services
- 11.1. SAL Overview
- 11.2. Extended SAL Boot Service Protocol
- 11.2.1. EXTENDED_SAL_BOOT_SERVICE_PROTOCOL
- 11.2.2. EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.AddSalSystemTableInfo()
- 11.2.3. EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.AddSalSystemTableEntry()
- 11.2.4. EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.AddExtendedSalProc()
- 11.2.5. EXTENDED_SAL_BOOT_SERVICE_PROTOCOL.ExtendedSalProc()
- 11.3. Extended SAL Service Classes
- 11.4. Extended SAL Stall Services Class
- 11.4.1. ExtendedSalStall
- 11.4.2. Extended SAL Real Time Clock Services Class
- 11.4.3. ExtendedSalGetTime
- 11.4.4. ExtendedSalSetTime
- 11.4.5. ExtendedSalGetWakeupTime
- 11.4.6. ExtendedSalSetWakeupTime
- 11.4.7. Extended SAL Reset Services Class
- 11.4.8. ExtendedSalResetSystem
- 11.4.9. Extended SAL PCI Services Class
- 11.4.10. ExtendedSalPciRead
- 11.4.11. ExtendedSalPciWrite
- 11.4.12. Extended SAL Cache Services Class
- 11.4.13. ExtendedSalCacheInit
- 11.4.14. ExtendedSalCacheFlush
- 11.4.15. Extended SAL PAL Services Class
- 11.4.16. ExtendedSalPalProc
- 11.4.17. ExtendedSalSetNewPalEntry
- 11.4.18. ExtendedSalGetNewPalEntry
- 11.4.19. ExtendedSalUpdatePal
- 11.4.20. Extended SAL Status Code Services Class
- 11.4.21. ExtendedSalReportStatusCode
- 11.4.22. Extended SAL Monotonic Counter Services Class
- 11.4.23. ExtendedSalGetNextHighMtc
- 11.4.24. Extended SAL Variable Services Class
- 11.4.25. ExtendedSalGetVariable
- 11.4.26. ExtendedSalGetNextVariableName
- 11.4.27. ExtendedSalSetVariable
- 11.4.28. ExtendedSalQueryVariableInfo
- 11.4.29. Extended SAL Firmware Volume Block ServicesClass
- 11.4.30. ExtendedSalRead
- 11.4.31. ExtendedSalWrite
- 11.4.32. ExtendedSalEraseBlock
- 11.4.33. ExtendedSalGetAttributes
- 11.4.34. ExtendedSalSetAttributes
- 11.4.35. ExtendedSalGetPhysicalAddress
- 11.4.36. ExtendedSalGetBlockSize
- 11.4.37. ExtendedSalEraseCustomBlockRange
- 11.4.38. Extended SAL MCA Log Services Class
- 11.4.39. ExtendedSalGetStateInfo
- 11.4.40. ExtendedSalGetStateInfoSize
- 11.4.41. ExtendedSalClearStateInfo
- 11.4.42. ExtendedSalGetStateBuffer
- 11.4.43. ExtendedSalSaveStateBuffer
- 11.4.44. Extended SAL Base Services Class
- 11.4.45. ExtendedSalSetVectors
- 11.4.46. ExtendedSalMcRendez
- 11.4.47. ExtendedSalMcSetParams
- 11.4.48. ExtendedSalGetVectors
- 11.4.49. ExtendedSalMcGetParams
- 11.4.50. ExtendedSalMcGetMcParams
- 11.4.51. ExtendedSalGetMcCheckinFlags
- 11.4.52. ExtendedSalGetPlatformBaseFreq
- 11.4.53. ExtendedSalRegisterPhysicalAddr
- 11.4.54. Extended SAL MP Services Class
- 11.4.55. ExtendedSalAddCpuData
- 11.4.56. ExtendedSalRemoveCpuData
- 11.4.57. ExtendedSalModifyCpuData
- 11.4.58. ExtendedSalGetCpuDataById
- 11.4.59. ExtendedSalGetCpuDataByIndex
- 11.4.60. ExtendedSalWhoiAmI
- 11.4.61. ExtendedSalNumProcessors
- 11.4.62. ExtendedSalSetMinState
- 11.4.63. ExtendedSalGetMinState
- 11.4.64. ExtendedSalPhysicalIdInfo
- 11.4.65. Extended SAL MCA Services Class
- 11.4.66. ExtendedSalMcaGetStateInfo
- 11.4.67. ExtendedSalMcaRegisterCpu
- 12. SMM SPI Protocol Stack
- 1. Introduction
- 2. SMBus Host Controller Design Discussion
- 3. SMBus Host Controller Code Definitions
- 4. SMBus Design Discussion
- 5. SMBus PPI Code Definitions
- 6. SMBIOS Protocol
- 7. IDE Controller
- 7.1. IDE Controller Overview
- 7.2. Design Discussion
- 7.3. Code Definitions
- 7.3.1. EFI_IDE_CONTROLLER_INIT_PROTOCOL
- 7.3.2. EFI_IDE_CONTROLLER_INIT_PROTOCOL
- 7.3.3. EFI_IDE_CONTROLLER_INIT_PROTOCOL.GetChannelInfo()
- 7.3.4. EFI_IDE_CONTROLLER_INIT_PROTOCOL.NotifyPhase()
- 7.3.5. EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData()
- 7.3.6. EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyMode()
- 7.3.7. EFI_IDE_CONTROLLER_INIT_PROTOCOL.CalculateMode()
- 7.3.8. EFI_IDE_CONTROLLER_INIT_PROTOCOL.SetTiming()
- 7.3.9. IDE Disk Information Protocol
- 7.3.10. EFI_DISK_INFO_PROTOCOL
- 7.3.11. EFI_DISK_INFO_PROTOCOL.Interface
- 7.3.12. EFI_DISK_INFO_PROTOCOL.Inquiry()
- 7.3.13. EFI_DISK_INFO_PROTOCOL.Identify()
- 7.3.14. EFI_DISK_INFO_PROTOCOL.SenseData()
- 7.3.15. EFI_DISK_INFO_PROTOCOL.WhichIde()
- 8. S3 Resume
- 8.1. S3 Overview
- 8.2. Goals
- 8.3. Requirements
- 8.4. Assumptions
- 8.5. Restoring the Platform
- 8.6. PEI Boot Script Executer PPI
- 8.7. S3 Save State Protocol
- 8.7.1. EFI_S3_SAVE_STATE_PROTOCOL
- 8.7.2. Save State Write
- 8.7.3. EFI_S3_SAVE_STATE_PROTOCOL.Write()
- 8.7.4. EFI_BOOT_SCRIPT_IO_WRITE_OPCODE
- 8.7.5. EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE
- 8.7.6. EFI_BOOT_SCRIPT_IO_POLL_OPCODE
- 8.7.7. EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE
- 8.7.8. EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE
- 8.7.9. EFI_BOOT_SCRIPT_MEM_POLL_OPCODE
- 8.7.10. EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE
- 8.7.11. EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE
- 8.7.12. EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE
- 8.7.13. EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE
- 8.7.14. EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE
- 8.7.15. EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE
- 8.7.16. EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE
- 8.7.17. EFI_BOOT_SCRIPT_STALL_OPCODE
- 8.7.18. EFI_BOOT_SCRIPT_DISPATCH_OPCODE
- 8.7.19. EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE
- 8.7.20. EFI_BOOT_SCRIPT_INFORMATION_OPCODE
- 8.7.21. Save State Insert
- 8.7.22. EFI_S3_SAVE_STATE_PROTOCOL.Insert()
- 8.7.23. Save State Label
- 8.7.24. EFI_S3_SAVE_STATE_PROTOCOL.Label()
- 8.7.25. Save State Compare
- 8.7.26. EFI_S3_SAVE_STATE_PROTOCOL.Compare()
- 8.8. S3 SMM Save State Protocol
- 9. ACPI System Description Table Protocol
- 9.1. EFI_ACPI_SDT_PROTOCOL
- 9.1.1. EFI_ACPI_SDT_PROTOCOL.GetAcpiTable()
- 9.1.2. EFI_ACPI_SDT_PROTOCOL.RegisterNotify()
- 9.1.3. EFI_ACPI_SDT_PROTOCOL.Open()
- 9.1.4. EFI_ACPI_SDT_PROTOCOL.OpenSdt()
- 9.1.5. EFI_ACPI_SDT_PROTOCOL.Close()
- 9.1.6. EFI_ACPI_SDT_PROTOCOL.GetChild()
- 9.1.7. EFI_ACPI_SDT_PROTOCOL.GetOption()
- 9.1.8. EFI_ACPI_SDT_PROTOCOL.SetOption()
- 9.1.9. EFI_ACPI_SDT_PROTOCOL.FindPath()
- 9.1. EFI_ACPI_SDT_PROTOCOL
- 10. PCI Host Bridge
- 10.1. PCI Host Bridge Overview
- 10.2. PCI Host Bridge Design Discussion
- 10.3. PCI Host Bridge Resource Allocation Protocol
- 10.4. Sample PCI Architectures
- 10.5. ISA Aliasing Considerations
- 10.6. Programming of Standard PCI Configuration Registers
- 10.7. Sample Implementation
- 10.8. PCI HostBridge Code Definitions
- 10.8.1. Introduction
- 10.8.2. PCI Host Bridge Resource Allocation Protocol
- 10.8.3. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
- 10.8.4. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.NotifyPhase()
- 10.8.5. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.GetNextRootBridge()
- 10.8.6. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.GetAllocAttributes()
- 10.8.7. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.StartBusEnumeration()
- 10.8.8. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.SetBusNumbers()
- 10.8.9. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.SubmitResources()
- 10.8.10. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.GetProposedResources()
- 10.8.11. EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.PreprocessController()
- 10.9. End of PCI Enumeration Overview
- 11. PCI Platform
- 11.1. Introduction
- 11.2. PCI Platform Overview
- 11.3. PCI Platform Support Related Information
- 11.4. PCI Platform Protocol
- 11.5. Incompatible PCI Device Support Protocol
- 11.6. PCI Code Definitions
- 11.6.1. PCI Platform Protocol
- 11.6.2. EFI_PCI_PLATFORM_PROTOCOL
- 11.6.3. EFI_PCI_PLATFORM_PROTOCOL.PlatformNotify()
- 11.6.4. EFI_PCI_PLATFORM_PROTOCOL.PlatformPrepController()
- 11.6.5. EFI_PCI_PLATFORM_PROTOCOL.GetPlatformPolicy()
- 11.6.6. EFI_PCI_PLATFORM_PROTOCOL.GetPciRom()
- 11.6.7. PCI Override Protocol
- 11.6.8. EFI_PCI_OVERRIDE_PROTOCOL
- 11.6.9. Incompatible PCI Device Support Protocol
- 11.6.10. EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL
- 11.6.11. EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL.CheckDevice()
- 12. Hot Plug PCI
- 12.1. HOT PLUG PCI Overview
- 12.2. Hot Plug PCI Initialization Protocol Introduction
- 12.3. Hot Plug PCI Initialization Protocol RelatedInformation
- 12.4. Requirements
- 12.5. Sample Implementation for a Platform Containing PCIHot Plug* Slots
- 12.6. PCI Hot Plug PCI Initialization Protocol
- 12.7. PCI Hot Plug Request Protocol
- 12.8. Sample Implementation for a Platform Containing PCIHot Plug* Slots
- 13. Super I/O Protocol
- 14. Super I/O and ISA Host Controller Interactions
- 15. CPU I/O Protocol
- 16. Legacy Region Protocol
- 17. I2C Protocol Stack
- 17.1. Design Discussion
- 17.2. DXE Code definitions
- 17.2.1. I2C Master Protocol
- 17.2.2. EFI_I2C_MASTER_PROTOCOL
- 17.2.3. EFI_I2C_MASTER_PROTOCOL.SetBusFrequency()
- 17.2.4. EFI_I2C_MASTER_PROTOCOL.Reset()
- 17.2.5. EFI_I2C_MASTER_PROTOCOL.StartRequest()
- 17.2.6. I2C Host Protocol
- 17.2.7. EFI_I2C_HOST_PROTOCOL
- 17.2.8. EFI_I2C_HOST_PROTOCOL.QueueRequest()
- 17.2.9. I2C I/O Protocol
- 17.2.10. EFI_I2C_IO_PROTOCOL
- 17.2.11. EFI_I2C_IO_PROTOCOL.QueueRequest()
- 17.2.12. I2C Bus Configuration Management Protocol
- 17.2.13. EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL
- 17.2.14. EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL.EnableI2cBusConfiguration()
- 17.2.15. I2C Enumerate Protocol
- 17.2.16. EFI_I2C_ENUMERATE_PROTOCOL
- 17.2.17. EFI_I2C_ENUMERATE_PROTOCOL.Enumerate()
- 17.2.18. EFI_I2C_ENUMERATE_PROTOCOL.GetBusFrequency()
- 17.3. PEI Code definitions
- 17.3.1. I2C Master PPI
- 17.3.2. EFI_PEI_I2C_MASTER
- 17.3.3. EFI_PEI_I2C_MASTER_PPI.SetBusFrequency()
- 17.3.4. EFI_PEI_I2C_MASTER_PPI.Reset()
- 17.3.5. EFI_PEI_I2C_MASTER_PPI.StartRequest()
- 17.3.6. I2C Host PPI
- 17.3.7. EFI_PEI_I2C_HOST
- 17.3.8. EFI_PEI_I2C_HOST.StartRequest()
- 17.3.9. I2C I/O PPI
- 17.3.10. EFI_PEI_I2C_IO
- 17.3.11. EFI_I2C_IO_PROTOCOL.GetDeviceInfo()
- 17.3.12. EFI_I2C_IO_PROTOCOL.GetDeviceInfoIdList()
- 17.3.13. EFI_PEI_I2C_IO.StartRequest()
- 17.3.14. I2C Bus Configuration Management PPI
- 17.3.15. EFI_PEI_I2C_BUS_CONFIGURATION_MANAGEMENT
- 17.3.16. EFI_PEI_I2C_BUS_CONFIGURATION_MANAGEMENT.EnableI2cBusConfiguration()
- 17.3.17. EFI_PEI_I2C_BUS_CONFIGURATION_MANAGEMENT.I2cDeviceReset()
- 17.3.18. I2C Enumerate PPI
- 17.3.19. EFI_PEI_I2C_ENUMERATE
- 17.3.20. EFI_PEI_I2C_ENUMERATE_PROTOCOL.Enumerate()
- 17.3.21. EFI_PEI_I2C_ENUMERATE_PROTOCOL.GetBusFrequency()
- 18. SPI Protocol Stack
- 18.1. Design Discussion
- 18.2. DXE Code Definitions
- 18.2.1. EFI_SPI_CONFIGURATION_PROTOCOL
- 18.2.2. EFI_SPI_CHIP_SELECT
- 18.2.3. EFI_SPI_PART
- 18.2.4. EFI_SPI_PERIPHERAL
- 18.2.5. EFI_SPI_CLOCK
- 18.2.6. EFI_SPI_BUS
- 18.2.7. EFI_SPI_NOR_FLASH_PROTOCOL
- 18.2.8. SPI Flash Driver GUID
- 18.2.9. EFI_SPI_NOR_FLASH_PROTOCOL.GetFlashld()
- 18.2.10. EFI_SPI_NOR_FLASH_PROTOCOL.ReadData()
- 18.2.11. EFI_SPI_NOR_FLASH_PROTOCOL.LfReadData()
- 18.2.12. EFIEFI_SPI_NOR_FLASH_PROTOCOL.ReadStatus()
- 18.2.13. EFI_SPI_NOR_FLASH_PROTOCOL.WriteStatus()
- 18.2.14. EFI_SPI_NOR_FLASH_PROTOCOL.WriteData()
- 18.2.15. EFI_SPI_NOR_FLASH_PROTOCOL.Erase()
- 18.2.16. EFI_LEGACY_SPI_FLASH_PROTOCOL
- 18.2.17. EFI_LEGACY _SPI_FLASH_PROTOCOL.BiosBaseAddress()
- 18.2.18. EFI_LEGACY _SPI_FLASH_PROTOCOL.ClearSpiProtect()
- 18.2.19. EFI_LEGACY _SPI_FLASH_PROTOCOL.lsRangeProtected()
- 18.2.20. EFI_LEGACY_SPI_FLASH_PROTOCOL.ProtectNextRange()
- 18.2.21. EFI_LEGACY _SPI_FLASH_PROTOCOL.LockController()
- 18.2.22. EFI_SPI_IO_PROTOCOL
- 18.2.23. EFI_SPI_BUS_ TRANSACTION
- 18.2.24. EFI_SPI_IO_PROTOCOL.Transaction()
- 18.2.25. EFI_SPI_IO_PROTOCOL.UpdateSpiPeripheral()
- 18.2.26. EFI_SPI_HC_PROTOCOL
- 18.2.27. EFI_SPI_HC_PROTOCOL.ChipSelect()
- 18.2.28. EFI_SPI_HC_PROTOCOL.Clock()
- 18.2.29. EFI_SPI_HC_PROTOCOL.Transaction()
- 18.2.30. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL
- 18.2.31. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.EraseBlockOpcode()
- 18.2.32. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.WriteStatusPrefix()
- 18.2.33. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.BiosBaseAddress()
- 18.2.34. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.ClearSpiProtect()
- 18.2.35. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.lsRangeProtected()
- 18.2.36. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.ProtectNextRange()
- 18.2.37. EFI_LEGACY_SPI_CONTROLLER_PROTOCOL.LockController()