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The subject of grfico avanzado de dow jonesindustrialaverage investingcom encompasses a wide range of important elements. Services - DXE Services — UEFI Platform Initialization Specification .... The GCD services are required to merge similar memory regions that are adjacent to each other into a single memory descriptor, which reduces the number of entries in the GCD memory space map. edk2/MdeModulePkg/Core/Dxe/Gcd/Gcd.c at master - GitHub.

Initializes the GCD and memory services based on the memory descriptor HOBs. This function is responsible for priming the GCD map and the memory map, so memory allocations and resource allocations can be made. Memory Management （4） DXE GCD 机制_gcd uefi-CSDN博客.

本文深入探讨了UEFI中的GCD（Global Coherency Domain）机制，详细介绍了其在管理处理器可见的内存和IO资源方面的功能。 文章还概述了GCD的初始化过程及其在DxeCore中的作用，并解释了几种不同类型的内存空间。 DXE Foundation — UEFI Platform Initialization Specification 1.9 .... The following topics describe how the DXE Foundation should interpret the contents of the HOB list to initialize the GCD memory space map, GCD I/O space map, and UEFI memory map. TianoCore EDK2: EFI_GCD_MEMORY_SPACE_DESCRIPTOR Struct Reference.

The bit mask of attributes that the memory region is capable of supporting. The bit mask of available attributes is defined in the GetMemoryMap () function description in the UEFI 2.0 specification. Definition at line 142 of file PiDxeCis.h. Boot and Runtime Phases | microsoft/mu_basecore | DeepWiki.

It covers the standard UEFI boot process from initial firmware execution to the operating system handoff, along with the services and mechanisms available during each phase. The UEFI boot process is divided into several distinct phases: Sources: The SEC (Security) phase is the first phase of execution after system reset: In this context, dXE Core GCD 服务_global coherency domain-CSDN博客. Global Coherency Domain（简称GCD 全局一致域）是把运行启动代码的CPU所能发现的系统. 资源（由Hand off Block 从PEI 传递过来信息）进行统一管理的一种视图。 这个视图由两类GCD.

服务来管理，一类存储空间资源（GCD Memory Space)管理服务，另一类是输入/输出资源（ GCD IP Space)管理服务。 通过调用这两类服务，系统资源（存储空间或输入输出资源）可以被. Building on this, 添加到GCD, 从GCD删除；可以被分配使用，也可以回收分配出去的资源。 由于某些CPU并不提供. IO的支持，相应的GCD IP Space 服务也就不是必须存在。 不过GCD Memory Space相关的服务. UEFI-GCD_uefi gcd-CSDN博客.

本文详细介绍了UEFI-GCD的概念及工作原理，包括全局一致性域的定义、被加载流程、不同内存类型的转换以及HOB类型的使用。 iPXE: EFI_GCD_MEMORY_SPACE_DESCRIPTOR Struct Reference. GCD initialization and memory allocation HOBs - groups.io. GCD Memory State Transitions.

descriptor in memory address space). that uses EfiReservedMemoryType. -- is set aside in the CoreInitializeGcdServices () function.