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Weekend Workshop on UEFI/BIOS Development For Professionals

Batch Starts 12th April 2025

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BIOS Development Training

The course on BIOS/UEFI development provides an overview of critical topics, including the role of BIOS in computer systems, the system boot process, an introduction to EFI and UEFI, the basic architecture of UEFI, phases like SEC, PEI, DXE, and UEFI Shell, as well as topics like power management, ACPI, boot flow, SBMIOS, and SMM. This comprehensive course equips learners with a deep understanding of the firmware that initializes and manages computer systems.Here's an overview of what you may explore during this course:

Explore the historical progression of BIOS (Basic Input/Output System) from its inception to contemporary standards.

Gain insights into UEFI (Unified Extensible Firmware Interface) and its role in modern firmware development.

Dive into the various phases of EFI, including SEC, PEI, DXE, and understand their significance in the boot process.

Cover advanced topics such as UEFI Shell, power management, ACPI, and BIOS development challenges.

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Course Overview

Overview
Target Audience
FAQ
Curriculum
Schedule

Overview

The course on BIOS/Firmware development provides an overview of critical topics, including the role of BIOS in computer systems, the system boot process, an introduction to EFI and UEFI, the basic architecture of UEFI, phases like SEC, PEI, DXE, and UEFI Shell, as well as topics like power management, ACPI, boot flow, SBMIOS, and SMM. This comprehensive course equips learners with a deep understanding of the firmware that initializes and manages computer systems.

Target Audience

Individuals with a keen curiosity about the development of BIOS and the future of firmware technology.
Engineers and developers involved in firmware development, including BIOS and UEFI, looking to stay updated on modern firmware standards and practices.

FAQ

What prerequisites are required to enroll in this course?

The main prerequisites for BIOS/UEFI learning include a foundational understanding of computer hardware and basic computer architecture, with an additional emphasis on the importance of C programming, as it is commonly used in BIOS and UEFI development.

What are the key phases involved in the BIOS boot process, and how do they contribute to system initialization?

This question delves into the various phases of the BIOS boot process, such as SEC, PEI, and DXE, providing insight into their roles in system initialization.

Are there any hands-on projects or labs included in this course?

Yes, the course includes hands-on projects and labs that will allow you to apply the knowledge gained during the course.

How does this course stay current with rapidly evolving firmware technologies and standards?

The course content is regularly updated to reflect the latest developments in firmware technologies and standards. Instructors often incorporate industry trends and best practices into the curriculum to ensure that students receive the most up-to-date information.

Can I access the course materials after completing the course?

Yes, you will have access to the course materials even after completion, allowing you to review the content at your convenience.

Curriculum

Introduction to BIOS

BIOS Overview
BIOS manufacturers
Purpose Of The Firmware (BIOS/UEFI)
Dig into "BIOS Setup/Utility" screen
BIOS storage(ROM & FLASH)
CMOS RAM
Overview of System booting & Post
POST CODES

System Boot Process

Booting Overview & Need
Option ROM
Legacy Bios boot Flow
Booting into an Intel System Architecture
Processor Initialization
Memory Initialization
Initialization of Peripheral Devices
UEFI Boot Sequence
Bootloaders
Windows Boot Sequence
Boot Errors

Introduction to EFI and UEFI

EFI / UEFI History, Specification Timeline
UEFI Overview
Legacy BIOS vs UEFI
UEFI Source Base Overview (Explanation on EDKII floder structure, Introduce different files i.e. UNI, VFR, DSC, INF, DEC etc.
EDKII Source Build Setup for EmulatorPkg
Build Infrastructure
Setup the Debug OVMF with QEMU using WinDbg

Basic UEFI Architecture

UEFI + PI Phases Overview
UEFI Specification - Key Concepts
UEFI System Table
Handles Database
UEFI Images
Protocols (API)

SEC & PEI Phase SEC

SEC Phase Overview
SEC Phase Responsibilities
SEC Phase Transition
SEC Hand-off to PEI Entry Point
SEC Hand-off Information
Sec Hand-Off Information ….. In Action
Root of Trust
TPM-Trusted Platform Module
UEFI Secure Boot
UEFI Authenticated Variables
PEI: PEI Overview
PEI Terminology
PEI Entry
PEI Core/Foundation Design Goals
PEI Phase Flow
PEI Services
PEI Foundation
Pre-EFI Initialization Modules (PEIMs)
PEIM-to-PEIM Interfaces (PPIs)
PEIM Descriptors
PEI Services Table
Boot Mode Services
HOB Services
Memory Service
FV Service
PEI Dispatcher
a priori file
PEI Hand-off Block (HOB)
PEI: Try out ! Hands-On
Inspect HOBs

DXE Phase

DXE Overview
DXE Components
Why DXE ?
DXE Responsibilities
PXE to DXE entry
DXE Core
DXE Core Data Structures
DXE Phase Flow
Inspect DXE Initialization
DXE Dispatcher
DXE Foundation Driver Dispatch
Drivers: DXE Drivers overview
DXE – Architectural Protocols
DXE Dispatcher State Machine
Last Driver Executed in DXE Boot Device Selection (BDS)
Firmware Storage
Capsule Update

DXE & UEFI Driver

DXE Drivers
Classes of DXE Drivers
UEFI Driver Overview
What is an UEFI Driver?
The UEFI Driver Model Specification
Steps to Design a UEFI Driver
UEFI Driver Model: A Brief Understanding
Type of UEFI Driver
Protocols Consumed & Protocols are Consumed
Approach to write UEFI driver

UEFI Protocols

What is a protocol?
Example: Protocol
Example: PCI I/O Protocol

UEFI Shell

What is a shell?
Shells –History and Standardization
Shells –History and Standardization
Shell Interfaces
EFI_SHELL_PROTOCOL
Shell Usage
UEFI Shell 2.0 Architecture
UEFI Shell 2.0 Architecture
UEFI Shell Commands
UEFI Shell Scripts with EDK II

Power Management and ACPI

Introduction to Power Management
System-Wide Overview of Power Management
Power States
Device State
System Wake
Device Wake
Device Power States
Surprise Wake-Up
ACPI driver and AML interpreter
ACPI Namespace
Objects
Definition Block Encoding
Using the ACPI Control Method Source Language
ACPI Event Programming Model Components
ASL
ASL Symbolic Operators and Expressions
ACPI Tables

SBMIOS & SMM

SMM
SMI
RSM
Address Space layout
SMBIOS
SMBIOS Table convention
SMBIOS entry point
SMBIOS structures

Schedule

Weekend Batch Starts: April 12, 2025

Duration: 1 Month | Saturdays & Sundays

Time: 10 AM – 5 PM (Total: 50 Hours)

Mode: Hybrid(online/offline)

Section outline

◄Topic 2

►Topic 4

◄Topic 2

►Topic 4

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Course Features

Lectures
Quizzes
Duration 50 Hours
Skill level All level
Language English
Assessments Yes

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INNOVATE

At etechprowess, our mission is to empower learners with the technical skills needed to excel in modern computing. This course provides a deep dive into the core elements of BIOS and UEFI, laying the foundation for advanced system configurations.

Our expert instructors guide you through practical exercises and real-world scenarios, ensuring that you gain hands-on experience in firmware programming and secure system initialization. Embrace the future of technology with confidence and precision.

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BIOS/UEFI Training Syllabus

Introduction to EFI and UEFI/ BIOS Setup/ Introduction to BIOS

Walk through of BIOS setup option
Boot manager
Boot options and boot Priority
BIOS EDK configuration
Hardware configuration
ReadWrite Everything tool for reading many of the data which is used throughout the training
Simulation Environment Setup
Readwrite everything tool info
SCT Tool info and how it is been used

Simulation Type: Simulation

C Coding and Type Def defined standard of UEFI

Walk through of document and guidelines

Simulation Type: Document

System Boot Process

Module walk through and little on code walkthrough

Simulation Type: Tianocore code

Firmware Structure; EDK2 Overview

EFI file formats
EFI directory structure
Environment setup
EFI Shell commands to see the details
Shell file format and blk structure
Accessing and mapping files
Running UEFI application

Simulation Type: Simulation

Basic UEFI Architecture

Architecture part (Not applicable on Hands on at this stage)

Simulation Type: Theory

Objects

Example Structures of the UEFI predefined by UEFI

Simulation Type: Simulation

UEFI System Table

EFI Commands to show the data in system table

Simulation Type: Simulation

Handle Database

Show the Code where the lists/Pointers resides (API)
EFI DH Commands

Simulation Type: Simulation

Protocols

EFI Defined C Structures of the protocol

Simulation Type: Simulation

UEFI Images

.EFI

Simulation Type: Simulation

Events and Task Priority Levels

Code / Package details of this
Global variable gBS and the flow of LoadImage and other functions

Simulation Type: Tianocore code

Boot Flows

Code walkthrough for Cold boot and warmboot
S3, S4 Resume, S5 etc
Boot flow explanation with logs
Post codes only documents as we cannot show the real post code
BIOS setup options

Simulation Type: Real Platform

SEC – Security Phase

Platform Security and Trust
Code specific not available in Opensource
Has to be learnt on job

Simulation Type: Real Platform

PEI – Pre-EFI Initialization Phase

PEI Modules
Code walk through
Basic Hob creation Code walk through
Temporary Ram
Vendor specific implementation
BFV
PEI foundation
PEIMs
PPIs
Creating HOBs – Hand-Off Blocks

Simulation Type: Not Applicable

DXE – Driver Execution Environment Phase

DXE Driver model
EFI driver model
Creating DXE driver
Adding functions to the driver
Adding debug prints
Adding pre EDK libraries and working with EDK functions

Simulation Type: Simulation / Real Platform

BDS – Boot Device Selection Phase

HII Database
VFR, IFR
HII Interfaces (GPT, MBR)
Creating HII driver
Adding required library for HII
Adding setup option (VFR, IFR Programming details)
Usage of predefined UNI strings
Accessing NV variable and storing the settings values in NV region

Simulation Type: Simulation

Protocols – Onboard Communication Protocols

EFI OS Loader
EFI Commands to show partitions
Dump to NVM Variables
Setup details in setup screen or NVM Variables
EFI Shell commands to show memory map
NV Variables details

Simulation Type: Simulation / Real Platform

ACPI Implementation in Tianocore

Dumping ACPI tables
ASL programming
ACPICA.org details to show some of the details on tools and spec
Dumping ASL tables from Shell
Using read write tool for accessing methods
Code walkthrough for different ACPI methods and events
Code walkthrough for Hot plug support from BIOS on OS level
Writing and compiling the ASL code

Simulation Type: Real Platform

UEFI Runtime

Code walkthrough of each of the modules
Time services
VM services
Variable services

Simulation Type: Tianocore code and Simulation

Common UEFI Functions

Code walkthrough of each of the modules
PCI Protocol
Simple file system

Simulation Type: Simulation

EFI System Partition (ESP)

Drive details
Show partitions of EFI and Windows
Details of tools like diskpart

Simulation Type: Real Platform

EFI Shell Environment

Running EFI applications
Shell scripts
Commands
Working on different shell commands
PCI debugging from shell commands
SMBIOS from shell
Driver debugging from shell

Simulation Type: Simulation / Real Platform

Advanced Driver Debugging

Basic debugging driver
Teraterm/Putty/SSH Setup
Serial log data collection
Adding different levels of debug prints
Debug library explanation
Adding postcode in the source code
Explanation of different interfaces for debugging

Simulation Type: Real Platform

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🔧

BIOS/UEFI Architecture

Understanding and implementing core UEFI and BIOS architecture for system control.

🐞

Firmware Development & Debugging

Develop and debug firmware for robust hardware-software integration.

💻

Hardware Initialization

Configure hardware components to ensure system-wide compatibility and performance.

🛠

Platform Initialization & Configuration

Platform-level initialization and configuration, ensuring smooth hardware-software interaction.

🔐

Secure Boot & Firmware Security

Implement secure boot and firmware security to protect against unauthorized access.

⚙️

System Management Mode (SMM)

Handle system management mode (SMM) for efficient, low-level system control.

🔋

ACPI (Advanced Configuration & Power Interface)

Work with ACPI to ensure power management and system configuration at low levels.

✅

Testing & Validation of Firmware

Thorough testing and validation of firmware to guarantee reliability.

📚

Documentation & Standards Compliance

Adhere to UEFI specification and other standards for optimal performance.

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