EDK II Module Writer's Guide - Intel

[Defines]……ENTRY_POINT= PcdDxeInitThe prototype of the module entry point function differs according to module type.See Table 7 for details.3.5 EDK II Common Library ClassThe MdePkg provides many library classes for developing firmware components basedon the UEFI and PI specifications. These library classes are often used in moduledevelopment and detailed in the MdePkg documentation.Table 6 Commonly use library classesLibrary Name Concept DescriptionBaseLib Base Library Provides string functions, linked list functions, math functions,and CPU architecture specific functions.SynchronizationLib Synchronization Library Provides synchronization functionsPrintLib Print Library Provides services to print a formatted string to a buffer. Allcombinations of Unicode and ASCII strings are supported.BaseMemoryLib Base Memory Library Provides copy memory, fill memory, zero memory, and GUIDfunctions.MemoryAllocationLibMemory AllocationLibraryProvides services to allocate and free memory buffers of variousmemory types and alignments.DebugLib Debug Library Provides ser vices to print debug and assert messages to a debugoutput device.PostCodeLib Post Code Library Provides services to send progress/error codes to a POST card.StatusCodeLibReport Status CodeLibraryProvides services to log status code recordsIoLib I/O Library Provide services to access I/O Ports and MMIO registers.PciExpressLib PCI Express Library Provides services to access PCI Configuration Space using theMMIO PCI Express window.PciLib PCI Library Provides services to access PCI Configuration Space.TimerLib Timer Library Provides calibrated delay and performance counter services.PcdLib PCD Library Provides library services to get and set Platform ConfigurationDatabase entries.Table 7 Module Entry Point and Service Table LibrariesConceptDescriptionPEIM Entry Point LibraryUEFI Driver Entry Point LibraryUEFI Application Entry Point LibraryModule entry point library for PEIM.Module entry point library for UEFI drivers, DXE Drivers, DXERuntime Drivers, and DXE SMM Drivers.Module entry point library for UEFI Applications.27