DxeCore

Index	Module	Size	Phase
111	DxeCore	173 KB	DXE Foundation

Overview

DxeCore is the DXE Foundation core module, the central execution infrastructure of the UEFI driver execution environment. It encompasses protocol database management (PROTOCOL_ENTRY, PROTOCOL_INTERFACE, HANDLE_ENTRY), GCD (Global Coherency Domain) services, memory management (page and pool allocators), image loading, event and timer handling, TPL management, the DXE dispatcher with dependency expression evaluation, firmware volume block I/O, section extraction, and runtime memory protection tables (Properties Table, Memory Attributes Table). Source: MdeModulePkg/Core/Dxe.

Key Functions

DxeMain — core initialization and entry point
Protocol database: InstallProtocol, LocateProtocol, RegisterProtocolNotify
Handle database: CreateHandle, OpenHandles, CloseHandle
Memory: CoreAllocatePages, CoreFreePages, CoreAllocatePool, CoreFreePool
Dispatcher: CoreDispatcher, CoreStartImage, dependency evaluator
Firmware Volume: FwVol block I/O, read, attribute operations
Event/Timer: CreateEvent, SetTimer, RaiseTPL, RestoreTPL
Image loader: CoreLoadImage, CoreStartImage, CoreUnloadImage
Memory protection: PropertiesTable, MemoryAttributesTable construction

Dependencies

UEFI Boot Services, Runtime Services
DXE Services Table
Firmware Volume Block Protocol
Section Extraction Protocol

Platform

Lenovo HR650X (Intel Purley), X64, UEFI DXE Foundation core