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Image of Modern Operating Systems (3rd Edition)
Image of Advanced Programming in the UNIX Environment, Second Edition (Addison-Wesley Professional Computing Series)
Image of Linux Kernel Development (3rd Edition)
Image of Android Wireless Application Development

Using PCI.IDS Database to Show PCI Vendor and Device Information in UEFI Shell

In this post, I describe a UEFI shell utility that I developed that displays PCI information including vendor and device descriptions from the PCI.IDS database.

Using the EFI_SHELL_PROTOCOL To Read a File

In this post, I provide the source code for a working UEFI shell application which displays the contents of an ASCII file using functionality provided by EFI_SHELL_PROTOCOL.

UEFI Utility to Read TPM 2.0 PCRs

In this post, I discuss a number of key TPM 2.0 features such as multiple algorithm support and PCR banks, and provide the source code for a UEFI shell utility to display the digests from the first 24 PCRs of a TPM 2.0 implementation.

UEFI Utility to Read TPM 1.2 PCRs

In this post, I provide the source code for a UEFI shell utility to print out all the Platform Configuration Registers (PCRs) for a TPM 1.2 (Trusted Platform Module, version 1.2) and briefly discuss SRTM versus DRTM.

Examining Intel Microcode in Lenovo Firmware Updates

This post demonstrates how to extract Intel microcode updates from a Lenovo firmware update using UEFItool and subsequently use an 010 Editor template to extract useful information from the extracted Intel microcode updates.