Intel Extensible Firmware Interface Benutzerhandbuch

Version 1.02

12/12/00

Table of Contents

1 Introduction

1.1

Overview.................................................................................................... 2

1.2

Goals ......................................................................................................... 3

1.3

Target Audience ........................................................................................ 5

1.4

Related Information ................................................................................... 6

1.5

Prerequisite Specifications ........................................................................ 8

1.5.1

ACPI Specification ............................................................................. 8

1.5.2

WfM Specification .............................................................................. 8

1.5.3

Additional Considerations for Itanium™-based Platforms.................. 9

1.6

EFI Design Overview ................................................................................. 9

1.7

Migration Requirements........................................................................... 11

1.7.1

Legacy Operating System Support .................................................. 11

1.7.2

Supporting the EFI Specification on a Legacy Platform................... 11

1.8

Conventions Used in This Document....................................................... 12

1.8.1

Data Structure Descriptions............................................................. 12

1.8.2

Typographic Conventions ................................................................ 12

1.9

Guidelines for Use of the Term “Extensible Firmware Interface” ............. 12

2 Overview

2.1

Boot Manager .......................................................................................... 14

2.2

Firmware Core ......................................................................................... 14

2.2.1

EFI Services .................................................................................... 14

2.2.2

Runtime Services ............................................................................ 15

2.3

Calling Conventions................................................................................. 16

2.3.1

Data Types ...................................................................................... 16

2.3.2

IA-32 Platforms................................................................................ 18

2.3.3

Itanium-based Platforms.................................................................. 18

2.4

Protocols.................................................................................................. 19

2.5

Requirements .......................................................................................... 21

2.5.1

Required Elements .......................................................................... 21

2.5.2

Optional Elements ........................................................................... 22

2.5.3

Appendixes...................................................................................... 23