UPL Specification v0.8

Scope

This document defines technical specifications for a Universal Payload to be used as a common payload handoff interface in between Platform Init and Payload.

Contents

• License
  • License Information
  • Copyright
• Acknowledgements
• Revision History
• References & Terminology
  • Abbreviation
  • Terminology
  • References
• Chapter 1: Introduction
  • 1.1 Purpose
    • 1.1.1 Platform Init
    • 1.1.2 Payload
  • 1.2 Design Goal
  • 1.3 Security Requirements
• Chapter 2: Payload Image Format
  • 2.1 FIT Images
  • 2.2 FIT Configurations
  • 2.3 FIT Schema
    • 2.3.1 Example FIT
    • 2.3.2 FIT External Data
    • 2.3.3 Loading Process Example
    • 2.3.4 Implementation
  • 2.4 Relocation
    • 2.4.1 Motivation
    • 2.4.2 Relocation Format
    • 2.4.3 Relocation Records
• Chapter 3: Payload Handoff State
  • 3.1 Overview
  • 3.2 Requirements for all architectures
  • 3.3 Architecture
    • 3.3.1 ARM
    • 3.3.2 RISC-V
    • 3.3.3 x86
• Chapter 4: Payload Handoff Format