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Bootgen User Guide

UG1283 (v2018.2) September 28, 2018

Table of Contents

Revision History...............................................................................................................6

Chapter 1: Introduction.............................................................................................. 7

Installing Bootgen.......................................................................................................................8

Boot Time Security.................................................................................................................... 10

Chapter 2: Boot Image Layout............................................................................. 11

Zynq-7000 Device Boot and Configuration............................................................................ 11

Bootgen GUI Options................................................................................................................41

Using Bootgen on the Command Line................................................................................... 43

Commands and Descriptions.................................................................................................. 44

Chapter 5: Boot Time Security...............................................................................46

Using Encryption....................................................................................................................... 47

Using Authentication................................................................................................................ 55

Using HSM Mode.......................................................................................................................65

Chapter 6: FPGA Support.......................................................................................... 81

Encryption and Authentication................................................................................................81

HSM Mode..................................................................................................................................82

Booting Linux.............................................................................................................................86

Encryption Flow: BBRAM Red Key........................................................................................... 86

Encryption Flow: Red Key Stored in eFUSE.............................................................................87

Encryption Flow: Black Key Stored in EFUSE ......................................................................... 87

Encryption Flow: Black Key Stored in Boot Header...............................................................88

Encryption Flow: Gray Key Stored in eFUSE........................................................................... 88

Encryption Flow: Gray Key stored in Boot Header................................................................ 89

Operational Key.........................................................................................................................89

alignment................................................................................................................................... 92

auth_params.............................................................................................................................. 92

authentication........................................................................................................................... 94

bh_keyfile....................................................................................................................................95

bh_key_iv.....................................................................................................................................95

bhsignature................................................................................................................................96

blocks..........................................................................................................................................97

boot_device................................................................................................................................ 97

bootimage..................................................................................................................................98

bootloader..................................................................................................................................99

exception_level........................................................................................................................ 104

familykey.................................................................................................................................. 105

fsbl_config................................................................................................................................ 105

headersignature......................................................................................................................106

hivec..........................................................................................................................................107

init............................................................................................................................................. 107

keysrc_encryption....................................................................................................................108

load........................................................................................................................................... 109

offset.........................................................................................................................................109

partition_owner....................................................................................................................... 110

pid............................................................................................................................................. 110

pmufw_image.......................................................................................................................... 111

ppkfile....................................................................................................................................... 111

presign......................................................................................................................................112

pskfile........................................................................................................................................113

spksignature............................................................................................................................ 116

spk_select................................................................................................................................. 117

sskfile........................................................................................................................................ 118

arch........................................................................................................................................... 123

bif_help..................................................................................................................................... 124

encrypt......................................................................................................................................124

dual_qspi_mode.......................................................................................................................124

efuseppkbits............................................................................................................................ 125

encryption_dump.................................................................................................................... 126

fill...............................................................................................................................................126

generate_keys..........................................................................................................................127

generate_hashes..................................................................................................................... 128

image........................................................................................................................................ 129

split............................................................................................................................................133

spksignature............................................................................................................................ 134

w................................................................................................................................................ 134

zynqmpes1............................................................................................................................... 135

About Initialization Pairs and INT File Attribute..................................................................135

Appendix C: Bootgen Utility................................................................................. 137

Appendix D: Additional Resources and Legal Notices........................... 139

Documentation Navigator and Design Hubs...................................................................... 139

Xilinx Resources.......................................................................................................................139

Bootgen Resources................................................................................................................. 140

Please Read: Important Legal Notices................................................................................. 141