Overview

Focusing on the use of the UEFI Shell and its recently released formal specification, this book unlocks a wide range of usage models which can help people best utilize the shell solutions. This text also expands on the obvious intended utilization of the shell and explains how it can be used in various areas such as security, networking, configuration, and other anticipated uses such as manufacturing, diagnostics, etc. Among other topics, Harnessing the UEFI Shell demonstrates how to write Shell scripts, how to write a Shell application, how to use provisioning options and more. Since the Shell is also a UEFI component, the book will make clear how the two things interoperate and how both Shell developers as well as UEFI developers can dip into the other's field to further expand the power of their solutions. Harnessing the UEFI Shell is authored by the three chairs of the UEFI working sub-teams, Michael Rothman (Intel, chair of the UEFI Configuration and UEFI Shell sub-teams), Vincent Zimmer (Intel, chair of the UEFI networking sub-team and security sub-team), and Tim Lewis (Insyde Software, chair of the UEFI security sub-team). This book is perfect for any OEMs that ship UEFI-based solutions (which is all of the MNCs such as IBM, Dell, HP, Apple, etc.), software developers who are focused on delivering solutions targeted to manufacturing, diagnostics, hobbyists, or stand-alone kiosk environments.

Full Product Details

Author:   Michael Rothman ,  Vincent Zimmer ,  Tim Lewis
Publisher:   De Gruyter
Imprint:   De|G Press
Edition:   2nd ed.
Weight:   0.629kg
ISBN:  

9781501514807

ISBN 10:   1501514806
Pages:   326
Publication Date:   06 March 2017
Recommended Age:   College Graduate Student
Audience:   Professional and scholarly ,  Professional & Vocational ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In stock  
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Table of Contents

Preface  vii Chapter 1 Introduction  1 What is UEFI?  1 What Do We Mean by Shell?  4 A Short History of the UEFI Shell  5 Brief Overview of the UEFI Shell  5 UEFI Shell APIs  6 Command Line Interface Features  6 Why a Shell at all?  7 Chapter 2 Under the UEFI Shell  9 Shell and UEFI  9 Evolution and Revolution  13 Chapter 3 What Is the UEFI Shell?  15 What Is Contained in the UEFI Shell?  16 What Kind of Shell Do You Have?  16 What!? No Shell? No Problem!  17 Programmatic Shell Environment  19 Using UEFI Shell Commands  20 Interactive Shell Environment  22 Scripting  22 Program Launch  24 File-System Abstractions  29 Shell Script Resolves into a UEFI Firmware Action  31 Chapter 4 Why We Need an Execution Environment before the OS  33 Evolution of a Machine  33 The Platform Initialization Flow  34 UEFI Transitions  36 States of a Platform  38 Readiness of UEFI  41 Migration Using the UEFI Shell  44 Going Forward  45 Chapter 5 Manufacturing  47 Throughput  47 Manufacturing Test Tools  49 Hardware Access with Manufacturing Tools  50 Converting Manufacturing Tools  53 Conclusion  54 Chapter 6 Bare Metal Provisionig  55 Provisioning with the UEFI Shell  55 UEFI Networking Stack  56 Securing the Network  58 Speeding Up the Network  62 Example of Putting It Together  62 Summary  68 Chapter 7 Configuration of Provisioned Material  69 Initialization Timeline  69 Configuration Infrastructure Overview  71 Using the Configuration Infrastructure  72 Driver Model Interactions  73 Provisioning the Platform  75 Configuring through the UEFI Shell  76 Basic Configuration  76 Advanced Configuration Abilities  79 Chapter 8 The Use of UEFI for Diagnostics  85 Types of Diagnostics  85 SMBIOS Table Organization  87 SMBIOS Structure Table Entry Point  88 Table Organization Graph  88 Structure Standards  89 Structure Evolution and Usage Guidelines  90 Text Strings  90 Required Structures and Data  91 Features  91 User Interface Design  92 Design Guide  92 Usage  93 Examples  93 Architecture Design  94 Data Structure  95 SMBIOS_STRUCTURE_TABLE  95 SMBIOS_HEADER  97 SMBIOS_STRUCTURE_POINTER  98 STRUCTURE_STATISTICS  99 Source Code for the Utility  100 Summary  105 Chapter 9 UEFI Shell Scripting  107 Hello, World!  108 Echo  108 Echo All Parameters  109 Echo All Parameters (Improved Version)  110 Concatenate Text Files  112 List Only Selected “ls” Information  113 Install Script  115 How to Make a Shell Script Appear as a Boot Option  119 Chapter 10 UEFI Shell Programming  121 A Simple UEFI Shell Application: HelloWorld  121 The Source File: HelloWorld.c  121 The Component Information (.inf) File  123 A Simple Standard Application: HelloWorld2  124 The Source File: HelloWorld2.c  124 The Component Information (.inf) File: HelloWorld2.inf  125 Read Keyboard Input in UEFI Shell Scripts: GetKey  126 The Source File: GetKey.c  127 The Component Information (.inf) File: GetKey.inf  137 The Build Description (.dsc) File  139 Calculate Math Expressions: Math  139 The Source File: Math.c  140 The Component Information (.inf) File: Math.inf  154 Convert ASCII to Unicode and Back: UniCodeDecode  154 The Source File: UniCodeDecode.c  155 The Component Information (.inf) File  163 Chapter 11 Managing UEFI Drivers Using the Shell  165 Testing Specific Protocols  166 Loading and Unloading UEFI Drivers  167 Load  168 LoadPciRom  168 Unload  169 Connecting UEFI Drivers  169 Connect  169 Disconnect  170 Reconnect  170 Driver and Device Information  171 Drivers  171 Devices  172 DevTree  172 Dh –d  173 OpenInfo  173 Testing the Driver Configuration and Driver Diagnostics Protocols  174 DrvCfg  174 DrvDiag  174 Debugging Code Statements  175 POST Codes  177 Post Card Debug  178 Text-Mode VGA Frame Buffer  179 Other Options  179 Appendix A Security Considerations  181 UEFI Shell Binary Integrity  181 Overview  181 Signed Executable Overview  182 Digital Signature  183 Signed Executable Processing  185 Signed Executable Generation Application (SignTool)  185 UEFI Load Image  186 SignTool  186 Build Environment  186 Example usage  187 Appendix B Command Reference  189 Command Profiles and Support Levels  189 Command List  189 Standardizing Command Output  192 Command Details  193 alias  193 attrib  194 bcfg  194 cd  196 cls  197 comp  197 connect  198 cp/copy  199 date  199 dblk  200 del  200 devices  200 devtree  201 dh  201 dir/ls  202 disconnect  202 dmem  203 dmpstore  204 drivers  204 drvcfg  205 drvdiag  206 echo  206 edit  207 eficompress  207 efidecompress  207 exit  207 for  208 getmtc  209 goto  209 help  209 hexedit  210 if  210 ifconfig  214 ifconfig6  214 load  215 loadpcirom  216 ls  216 map  217 md  218 mem  218 memmap  218 mkdir  219 mm  219 mode  220 mv  220 openinfo  220 parse  221 pause  221 pci  221 ping  222 ping6  222 reconnect  223 reset  223 rm  224 sermode  224 set  225 setsize  226 setvar  226 shift  227 smbiosview  227 stall  228 time  228 time  229 touch  229 type  230 unload  230 ver  230 vol  230 Appendix C Programming Reference  233 Script-based Programming  233 Parameter Passing  233 Redirection and Piping  234 Return Codes  235 Environment Variables  236 Non-Script-based Programming  237 Shell Protocol  238 Shell Parameters Protocol  240 Appendix D UEFI Shell Library  241 Functions  241 File I/O Functions  241 Miscellaneous Functions  242 Command Line Parsing  243 Text I/O  244 String Functions  244 ShellCloseFile()  245 ShellCloseFileMetaArg()  246 ShellCommandLineCheckDuplicate()  246 ShellCommandLineFreeVarList()  247 ShellCommandLineGetCount()  247 ShellCommandLineGetFlag()  248 ShellCommandLineGetValue()  248 ShellCommandLineGetRawValue()  249 ShellCommandLineParseEx()  250 ShellCopySearchAndReplace()  251 ShellConvertStringToUint64()  252 ShellCreateDirectory()  253 ShellDeleteFile()  254 ShellDeleteFileByName()  254 ShellExecute()  255 ShellFileExists()  257 ShellFileHandleReturnLine()  257 ShellFileHandleReadLine()  258 ShellFindFilePath()  259 ShellFindFilePathEx()  260 ShellFindFirstFile()  260 ShellFindNextFile()  261 ShellFlushFile()  262 SHELL_FREE_NON_NULL()  263 ShellGetCurrentDir()  263 ShellGetEnvironmentVariable()  264 ShellGetExecutionBreakFlag()  265 ShellGetFileInfo()  265 ShellGetFilePosition()  266 ShellGetFileSize()  266 ShellHexStrToUintn()  267 ShellInitialize()  268 ShellIsDecimalDigitCharacter()  268 ShellIsDirectory()  269 ShellIsFile()  269 ShellIsFileInPath()  270 ShellIsHexaDecimalDigitCharacter()  270 ShellIsHexOrDecimalNumber()  271 ShellOpenFileByDevicePath()  271 ShellOpenFileByName()  273 ShellOpenFileMetaArg()  274 ShellPrintEx()  275 ShellPrintHelp()  276 ShellPrintHiiEx()  277 ShellPromptForResponse()  278 ShellPromptForResponseHii()  279 ShellReadFile()  281 ShellSetFileInfo()  282 ShellSetFilePosition()  283 ShellSetEnvironmentVariable()  284 ShellSetPageBreakMode()  285 ShellStrToUintn()  285 ShellWriteFile()  286 StrnCatGrow()  287 Data Structures  288 Format Strings  288 Shell Parameters  289 Index  291

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Michael Rothman Engineer, WA, USA, Vincent Zimmer Engineer, WA, USA, Tim Lewis Insyde CTO, CA, USA

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