7. UEFI Develop -- 同济大学BIOS与UEFI课程.pptVIP

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7. UEFI Develop -- 同济大学BIOS与UEFI课程.ppt

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7. UEFI Develop -- 同济大学BIOS与UEFI课程

TelEmail:wang.box@163.com;Agenda;EFI Driver Model;Driver Design Steps;What Type of Driver is Being Designed?;Device Drivers;Bus Drivers;Hybrid Drivers;Service Drivers;Initializing Drivers;Root Bridge Drivers;What I/O Protocols are Consumed?;What I/O Protocols are Produced?;What I/O Protocols are Produced?;Driver Design Checklist;ConnectController() Called from Boot Manager or during load Precedence rules are applied Context override Platform override Bus override Version number Order of which drivers are installed into handle database is not deterministic DisconnectController() Must test and implement Stop();Implement, Test Debug;Driver Guidelines;PCI Device Drivers;PCI Device Drivers – Start();PCI Device Drivers – Stop();Preventing Alignment Faults;Preventing Alignment Faults;Use EFI Driver Library Functions;EFI Device Paths;Bus Walk Tips;Component Name Protocol;Option ROM Size Reduction;How To Improve Portability;EFI Driver Writer’s Guide;General Topics;Platform Specific Topics;Benefits of following EFIDriver Guidelines;Summary;Further Information;Back up;Agenda;What are EFI Applications?;What is an EFI Application?;EFI Shell;EFI Toolkit Components;Programming Models ;EFI Toolkit Integration;C Library;EFI Library;Port of FreeBSD TCP/IP stack Supports standard protocols IPv4, ICMP, ARP, UDP, TCP Socket library interface Implemented as an EFI protocol;SMBIOS Library Library routines for parsing SMBIOS tables Database btree Hashing Compression General purpose compression/decompression Gzip functionality;Network utilities FTP client and server, ping Text editor Scripting interpreter (Python) Sample applications;#include efi.h EFI_STATUS InitializeHelloApplication ( IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable ) { UINTN Index; SystemTable-ConOut-OutputString(SystemTable-ConOut, L”Hello application started\n); SystemTable-ConOut-OutputString(SystemTable-ConOut,