Intro -- Contents at a Glance -- Contents -- About the Authors -- About the Technical Reviewers -- Acknowledgments -- Foreword -- Introduction -- Chapter 1: Introduction -- What Is Embedded Firmware? -- Where Is Firmware? -- What Do Firmware Engineers Do? -- Firmware Preparation for New Hardware -- The Mystery of Bits -- Programming Guides -- The Intel� Firmware Support Package -- The Uniqueness of Embedded Firmware -- The Choice of Firmware Stacks -- Welcome to the Era of the Internet of Things -- Technical Coverage in This Book -- The Future of Firmware -- Chapter 2: Firmware Stacks for Embedded Systems -- Is a One-Size-Fits-All Solution Possible? -- Microkernel -- Real-Time Operating S ystem (RTOS) -- Legacy BIOS -- Implementations of the UEFI Framework -- Open Source Firmware Stacks -- Proprietary Firmware Stacks -- Make o r Buy -- The Advantages of Outsourcing -- The Disadvantages of Outsourcing -- In-House Development -- Summary -- Chapter 3: Intel� Firmware Support Package (Intel� FSP) -- The Intel FSP Philosophy -- What Is in Intel FSP? -- Intel FSP Binary Format -- Sample Boot Flow -- Locating the Entries of Intel FSP -- The Hard Way to Find Intel FSP APIs: Use Data Structure -- The Easy Way to Find FSP APIs: Use Hard-Coded Constants -- Programming Interface: The APIs of Intel FSP -- TempRamInit -- FspInitEntry -- NotifyPhase -- Intel FSP Output -- API Execution Status -- Temporary Memory Data HOB -- Non-Volatile Storage HOB -- Sample Code for Parsing HOBs -- Customization of Intel FSP -- Downloading Intel FSP -- Microcode Patches -- Relocating Intel FSP -- Integration and Build -- The Future of Intel FSP -- What Is Coming in the Following Chapters -- Chapter 4: Building coreboot with Intel FSP -- The Introduction of coreboot -- The Philosophy of coreboot -- A Brief History -- v1: 1999-2000 -- v2: 2000-2005 -- v2+: 2005-2008.

v3: 2006-2008 -- 2008 LinuxBIOS Renamed "coreboot" -- v4: 2009-2012 -- v4+: 2012-2014 -- Further Reading -- Prerequisites for Working with coreboot -- Community Organization -- Git and Gerrit -- Git Commit Messages -- coreboot Sign-off Procedure -- Developer's Certificate of Origin 1.1 -- Adding Your Sign-off -- Working with the coreboot Community -- coreboot Do's -- coreboot Don'ts -- Nonsource Binaries in coreboot -- A Hands-on Example: Building coreboot for the MinnowBoard MAX Mainboard -- Environment -- Hardware: MinnowBoard MAX -- MinnowBoard MAX Platform Details -- Development Directory -- Downloading Intel FSP -- Installing Intel FSP -- Downloading the coreboot Source -- coreboot Toolchain -- coreboot Commit Hooks -- Creating a coreboot Development Branch -- Building the Mainboard -- On the Menuconfig Menu -- On the Chipset Menu -- On the Devices Menu -- Build -- Summary of Commands -- Flashing the ROM -- Preparing the Flash Programmer -- Flashing the ROM Image -- coreboot Internals -- Boot Stages -- Additional Files -- CBFS -- An Example of CBFS -- CBFS Size -- Special Binaries -- Boot Flow Using Intel FSP -- Reset Vector and Bootblock -- romstage -- ramstage -- Payload -- coreboot Source -- coreboot Device Tree -- Chips and Devices -- Device Tree Variables -- A Device Tree Example -- Chip Operations -- Device Operations -- coreboot Hardwaremain State Machine -- State Machine States -- State Machine Callbacks -- Mainboard -- The Chipset Driver -- Chipset FSP UPD Options -- The FSP Driver -- Kconfig -- xcompile -- Payloads -- SeaBIOS -- GRUB 2 -- FILO -- iPXE -- TianoCore -- Depthcharge -- U- Boot -- Memtest86+ -- libpayload -- coreboot Troubleshooting and Debugging -- Postcodes -- Serial Debug -- EHCI USB Debug -- Summary -- Chapter 5: Chrome book Firmware Internals -- About Chrome book and Chrome OS -- Chrome OS Firmware Overview.

Chrome OS Security Philosophy -- Chrome OS Security Guiding Principles -- Power wash -- Chrome OS Boot Modes -- Verified (Normal) Mode -- Recovery Mode -- Developer Mode -- Chrome OS Coreboot -- x86 -- ARM -- Depth charge Payload -- libpayload -- Verified Boot -- Verified Boot and Kernel Security -- Chrome OS Firmware Boot Log -- Boot Times Log -- Chrome OS Firmware Event Log -- Google SMI Linux Kernel Driver -- Chrome OS Extensions to the Firmware Image -- FMAP -- BOOT_STUB FMAP Section -- Chrome OS Firmware RW FMAP Sections -- An fmap.dts (RW_SECTION_A) Example -- Google Binary Block (GBB) -- GBB: HWID v3 -- GBB: Firmware Bitmaps -- GBB: Firmware Keys -- GBB: Boot Flags -- Vital Product Data ( VPD) -- Firmware TPM Usage -- Chrome OS Firmware Update -- Chrome OS Utilities -- flashrom -- gbb_utility -- GBB Flags Utility Script: set_gbb_flags.sh -- crossystem -- mosys -- Google Embedded Controller -- Power Sequencing -- Battery Charging -- Thermal Management -- Keyboard Controller -- Other Peripheral Controls -- Chrome EC Software Sync -- Software Sync Steps -- Summary -- Chapter 6: Intel FSP and UEFI Integration -- Introduction to EFI -- Introduction to FSP -- Introduction to EDK II -- Summary -- FSP Components -- FSP Wrapper Boot Flow -- Generic FSP Wrapper Boot Flow -- Normal Boot -- Boot Flow -- Memory Layout for a Normal Boot Flow -- FSP Normal Boot Data Structure -- S3 Boot -- Boot Flow -- S3 Memory Layout -- S3 NV Data Passing -- Capsule Flash Update -- Boot Flow -- Capsule Update Memory Layout -- Recovery Boot Flow -- FSP Recovery Memory Layout -- coreboot Payload Based upon EDK II -- Building Minnow and MinnowMax with FSP -- Future of the Intel FSP -- Conclusion -- Chapter 7: Building Firmware for Quark Processors -- Overview of UEFI and PI -- History of Implementations and Specifications -- Introduction to EDK II Building Blocks.

PKG: Packaging -- MdePkg -- MdeModulePkg -- IntelFrameworkPkg -- IntelFrameworkModulePkg -- Packages -- PCD: Platform Configuration Database -- Syntax -- DEC: Platform Declaration File -- Syntax -- DSC: Platform Description File -- FDF: Flash Description File -- Syntax -- Build: The EDK II Build Command -- INF: INF File -- More Information -- Introduction to the EDK II Subset -- Introduction to Quark -- ROM Flash Image Size Optimization -- Fixed Resource -- DRAM/SMRAM -- Remove Features -- Reduce Features -- Compiler Options -- Build Options -- Results of the TinyQuark Optimization -- RAM Footprint Optimization -- Optimization -- Result of Memory Usage Optimization -- Conclusion -- Chapter 8: Putting It All Together -- RTOS and Intel FSP -- Intel FSP and Open Source Philosophy -- Customization and Production of Intel FSP -- It Is a Community Effort After All -- Appendix A: Sample Boot Setting File (BSF) -- Index.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2022. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.