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March 2016

Introduction to the UEFI Self-Certification Test (SCT)

Introduction to the UEFI Self-Certification Test (SCT)
Introduction to the UEFI Self-Certification Test (SCT)

There is a wealth of validation utilities and frameworks available to UEFI developers—some might say too many.  Here’s a summary of those I ...

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7:00 AM
William Leara
1
testing
7:00 AM

Introduction to the Firmware Test Suite (fwts)

Introduction to the Firmware Test Suite (fwts)
Introduction to the Firmware Test Suite (fwts)

The Firmware Test Suite (fwts) is a Linux-based tool that automates firmware validation.  It is sponsored by Canonical Inc ., the fine folk...

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7:00 AM
William Leara
3
testing
7:00 AM

Introducing…Flash BIOS!

Introducing…Flash BIOS!
Introducing…Flash BIOS!

In a great segment from the 1992 season of The Computer Chronicles , Stuart is talking to Bob Kutnick of a company nobody remembers anymore ...

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7:00 AM
William Leara
0
Computer Chronicles
7:00 AM

Nikolaj Schlej: Analyzing the Intel Galileo UEFI Source Code with PVS-Studio

Nikolaj Schlej:  Analyzing the Intel Galileo UEFI Source Code with PVS-Studio
Nikolaj Schlej: Analyzing the Intel Galileo UEFI Source Code with PVS-Studio

Another tip of the cap to Nikolaj Schlej , this time for an interesting article where he examined the Intel Quark Board Support Package (B...

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7:00 AM
William Leara
0
tools
7:00 AM
 
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welcome

Welcome to the Basic Input/Output website! Here I share things pertaining to the arcane art of PC BIOS development. For spice, I add material about software development in general and some interesting computer history vignettes. Please, try to contain your excitement!
—William Leara
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popular

  • JEDEC Manufacturer IDs Are a Mess
    The Vendor ID .  Seems like a pretty prosaic topic.  What's to say?  Every vendor has a numeric identifier that is globally unique so th...
  • UEFI Forum Updates All Specs, Dec 2024
    The UEFI Forum updated all three of its specifications in December, 2024:  ACPI, UEFI, and PI. As a refresher: Advanced Configuration and P...
  • Reverse Engineering UEFI with Ghidra
    Ghidra is a free and open-source tool for software reverse engineering.  It is extensible, and allows for application-specific capabilities...
  • EDID and DisplayID
    In " The Before Times" (think: 1980s), there was no way for graphics adapters and monitors to negotiate a common set of supported...
  • RWEverything. Yes, Everything.
    I’ve done many tools reviews in the history of this web site, so it would be unthinkable to neglect to talk about what may be the biggest a...
  • RU!
    I recently did a review of the beloved RWEverything utility.  RWEverything is an easy to use and powerful utility for BIOS developers that ...

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      • Introduction to the UEFI Self-Certification Test (...
      • Introduction to the Firmware Test Suite (fwts)
      • Introducing…Flash BIOS!
      • Nikolaj Schlej: Analyzing the Intel Galileo UEFI ...
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latest UEFI specs

  • UEFI Spec 2.11
  • UEFI PI Spec 1.9
  • ACPI 6.5a

UEFI resources

  • presentations, podcasts, videos
  • white papers

UEFI blog roll

  • BIOS on StackOverflow
    transfer address by memory address
  • Vincent Zimmer's blog
    big money, open source, papers

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