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Image of Advanced Programming in the UNIX Environment, Second Edition (Addison-Wesley Professional Computing Series)
Image of Modern Operating Systems (3rd Edition)
Image of XSLT 2.0 and XPath 2.0 Programmer's Reference (Programmer to Programmer)
Image of Operating System Concepts

Examining TPM2 ACPI Table

In this blog post, I examine and discuss the contents of a TPM2 ACPI table and provide the source code for a simple UEFI shell utility to print out the contents of this table.

Revisit - Retrieve Microsoft Windows Product Key From UEFI Shell

In this blog post, I show you how to build the listmsdm utility, which I first published in a February 2015 blog post, in the UDK2015 (UEFI Development Kit, 2015) environment.

Access BGRT Information and Boot Graphics From UEFI Shell

In this post, I provide the source code for a small UEFI shell utility which will display information about a ACPI 5.0 BGRT table, if present, and allow you to save the referenced boot logo as a BMP file.

Retrieve Microsoft Windows Product Key From UEFI Shell

This post provides the source code for a small UEFI utility which can be used to retrieve a Microsoft Windows Product Key from UEFI Shell.

Shell Script to List ACPI tables

ACPI (Advanced Configuration and Power Interface) defines platform-independent interfaces for hardware discovery, configuration, power management and monitoring, and these tables contain lots of useful information for low-level programmers such as myself. Here is a short shell script which I clobbered together a few days ago to list out the ACPI tables on a system together with a short description of each table where possible. #!/bin/bash # # Author: Finnbarr P. Murphy # Date: January 2015 # Purpose: List ACPI tables # License: BSD # TMP1=$(mktemp -u -p /var/tmp/ acpiXXXXXX) TMP2=$(mktemp -u -p /var/tmp/ acpiXXXXXX) TMP3=$(mktemp -u -p /var/tmp/ acpiXXXXXX) cat