Providing a jump start to EFI application development and a uniform pre-boot environment

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Intel Intel

Providing a jump start to EFI

application development and a

uniform pre

uniform pre--boot environmentboot environment Yosi Govezensky

Yosi Govezensky

Program Manager

Microcomputer Software Labs

Intel Corp.

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Intel Intel

Agenda

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EFI Application Toolkit

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–Objectives & ComponentsObjectives & Components

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–Development ModelDevelopment Model

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–TimelineTimeline

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Intel Intel

EFI Overview

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l Interface specificationInterface specification

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– Implementation agnosticImplementation agnostic

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l Abstracts BIOS from OSAbstracts BIOS from OS

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– Decouples developmentDecouples development

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l Compatible by designCompatible by design

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– Evolution, not revolutionEvolution, not revolution

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l Modular and extensibleModular and extensible

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– OSOS--Neutral value addNeutral value add

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l Complements existing interfacesComplements existing interfaces

OS Loader

Hardware BIOS

EFI

Flexible to meet existing and future needs

Flexible to meet existing

Compa

ti

bi

li

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Intel Intel

Toolkit Objectives

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l Enable rapid application development for EFIEnable rapid application development for EFI

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– Help reduce the porting effortHelp reduce the porting effort

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l Create rich preCreate rich pre--boot environment industry can boot environment industry can count on

count on

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l Enable 3rd party marketEnable 3rd party market

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– e.g platform utilitiese.g platform utilities

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l Allow industry contributionAllow industry contribution

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l Uniform environment between IAUniform environment between IA--32 and IA32 and IA--6464 Jump start EFI application

development

Jump start EFI application development

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Intel Intel

Toolkit Components

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l EFI shellEFI shell

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l Common UtilitiesCommon Utilities

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l LibcLibc

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l Remote DebuggerRemote Debugger

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l Network StackNetwork Stack

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l Multiple Processor Test SupportMultiple Processor Test Support

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l Platform ManagementPlatform Management

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l Security ServiceSecurity Service

Useful tools for EFI application development

Useful tools for EFI

Useful tools for EFI application development

Sources are

provided

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Intel Intel

Toolkit Components

Hardware EFI EFI Shell _Utilities

Libc Network MP Te st Managem ent Securit y EFI API EFI API EFI API

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Intel Intel Toolkit Components Toolkit Components

EFI Shell

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Interactive console interface

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Application launch

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Load EFI protocols and drivers

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Simple scripting capability

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Automatic execution of startup batch file

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Common Utilities

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Core utilities

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–cp, rm, mkdir, type, …..cp, rm, mkdir, type, …..

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Extended utilities

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–Network utilitiesNetwork utilities

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– FTP client and server, pingFTP client and server, ping

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–Text editorText editor

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Libc

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l FreeBSD portFreeBSD port

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l System I/O System I/O -- open(), read(), write(), close(), stat(),open(), read(), write(), close(), stat(), l

l Standard I/O Standard I/O -- fopen()…, printf()…, gets()…fopen()…, printf()…, gets()… l

l String/Char String/Char -- strcmp()…, isupper()…, atoi()…, strcmp()…, isupper()…, atoi()…, l

l MemoryMemory -- malloc(), calloc(), realloc(), free()malloc(), calloc(), realloc(), free() l

l Time/DateTime/Date -- time()…, asctime()…, ctime()…time()…, asctime()…, ctime()… l

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Remote Debugger

EFI app. l

l Enable debugging Enable debugging

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– EFI applications, drivers, and protocolsEFI applications, drivers, and protocols

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l User interface User interface

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– Provided by “commercial” debuggerProvided by “commercial” debugger

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– Requires debugger with remote debug Requires debugger with remote debug

capability capability l

l Toolkit agent Toolkit agent

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– Can be customized for remote protocolsCan be customized for remote protocols

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– Intel Enhanced Debugger (EDB) referenceIntel Enhanced Debugger (EDB) reference

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– EDB is included in the IAEDB is included in the IA-64 SDK-64 SDK

Debug GUI

“Firmware” source debug

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Network Stack

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Port of FreeBSD TCP/IP stack

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Supports standard protocols

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–IPv4, ICMP, ARP, UDP, TCPIPv4, ICMP, ARP, UDP, TCP

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Socket library interface

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Implemented as an EFI protocol

Network functionality in FW

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MP Test Support

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Execute non

-

EFI based code on non

-

-boot processors

boot processors

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–Primarily used for diagnostics and Primarily used for diagnostics and manufacturing test

manufacturing test

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–Cannot make use of EFI services on nonCannot make use of EFI services on non- -boot processors in first release

boot processors in first release

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Inter

-

processor synchronization

functions

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Platform Management

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SMBIOS Interface

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–Library routines for parsing SMBIOS Library routines for parsing SMBIOS tables

tables

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IPMI 1.0 Interface

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–EFI protocol for sending and receiving EFI protocol for sending and receiving IPMI messages

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Security Service

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Limited but extensible platform security

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–Service that application may choose to useService that application may choose to use

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–Common security interfaceCommon security interface

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–Customizable security policiesCustomizable security policies

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Provide reference implementation

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–Unix style password fileUnix style password file

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–OneOne--way encryption way encryption

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– Given user and password.. “is this user authenticated ?”Given user and password.. “is this user authenticated ?”

Rudimentary application

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Intel Intel

Development Model

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l Toolkit adopters are free to make source code Toolkit adopters are free to make source code changes

changes

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– There are no restrictions on differentiation There are no restrictions on differentiation

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l CollaborationCollaboration

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– We will incorporate changes that are voluntarily We will incorporate changes that are voluntarily

returned and benefit industry as a whole returned and benefit industry as a whole –

– There is a desire to keep the toolkit environment There is a desire to keep the toolkit environment

uniform uniform l

l New releases to be posted on the webNew releases to be posted on the web

Continuously improve, while maintaining basic compatibility

Continuously improve, while

maintaining basic compatibility

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Intel Intel

Toolkit Timeline

2000 1999 Security Service And Updated Extended Utilities Remote Debugger

Feb Apr Jun Aug

Dec EFI Shell and Utilities Libc, Network Stack, Platform Management, and Python

Incremental releases

Tools to help you are ready now Tools to help you are ready now

Tools to help you are ready now

MP Test Support

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Intel Intel

Agenda

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EFI Application Toolkit

–

Objectives & Components

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Development Model

–

Timeline

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Intel Intel

EFI Update

2000 1999 Ke y M il est o n es Ke y M il est o n es 1.0 Spec 1.1 Spec 0.92 review ends

…And future revs as needed Feb Dec 0.92 Spec l l

Specification

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–0.92 is “Release Candidate” (RC) for 1.00.92 is “Release Candidate” (RC) for 1.0

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Reference Implementation

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–To be posted following specificationTo be posted following specification

Q2 Q3 Q4

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Intel Intel

EFI Specification

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_–

_Next

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Version 1.01

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–Graphics Protocol (bitblit)Graphics Protocol (bitblit)

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–Pointer Protocol (mouse)Pointer Protocol (mouse)

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–Debug ProtocolDebug Protocol

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Version 1.1

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–Architecture independent PCI Option ROMArchitecture independent PCI Option ROM EFI continues to evolve

EFI continues to evolve

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Intel Intel

PCI Option ROM

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–Already in 0.92: Already in 0.92:

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– EFI Driver as PCI Option ROM imageEFI Driver as PCI Option ROM image

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– Multiple formats in a single Option ROMMultiple formats in a single Option ROM

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–Goals for 1.1Goals for 1.1

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– CPU architecture neutral CPU architecture neutral

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– One C source One C source –– multiple targetsmultiple targets

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– Regular EFI DriverRegular EFI Driver

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– Small image sizeSmall image size

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– Small interpreter in FirmwareSmall interpreter in Firmware

One IHV SKU fits all One IHV SKU fits all

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Intel Intel

Summary

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EFI continues to evolve

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Toolkit provides useful tools

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Development model

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–Continuously improve while maintaining Continuously improve while maintaining basic compatibility

basic compatibility

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Intel Intel

EFI on the Web

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EFI Homepage

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– http://developer.intel.com/technology/efihttp://developer.intel.com/technology/efi

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– register for EFI mailing listregister for EFI mailing list

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– provide feedback on the specificationprovide feedback on the specification

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– sample implementation, EFI toolkit and sample implementation, EFI toolkit and docs

docs

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EFI FAT32 and PE/COFF Image

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Intel Intel

Call for Action

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Download latest EFI Specification

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“Pass the word” on the toolkit…

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–Make sure EFI developers in your Make sure EFI developers in your company are aware of the toolkit

company are aware of the toolkit

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–Intended to speed up developmentIntended to speed up development

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Feedback on EFI applications plans

[email protected]

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Intel Intel