Friday, January 10, 2014

uITRON4.0 Specification Memory Protection Extension (Page4)


Structure of Specification

This specification defines the specification to add access protection functionality of Memory space and Kernel Objects. The version number of the specification has been displayed in the front page as well as top-right of every page.
 
The structure of this specification is as follows:
 
The first chapter describes, the aim of introducing the protection functionality to the uITRON4.0 Specification and policy development. The contents of this chapter is not part of the specification.
 
The second chapter describes, concept of each type of protection extension and the rules which are common to multiple functional units. The chapter 3 describes the changes required by each functional unit of uITRON4.0 Specification. Chapter 4 describes the new functionalities added for protection extension.
 
The chapter 5 has the information for reference when implementing or using the kernel that compiles this specification, though it cannot be used as it is in the kernel specification. The chapter 6 has the table for reference when reading this specification.
 
The format of this specification document follows uITRON4.0 specification. However, the supplementary explanation paragraph will additionally explain the reason for the decision of the specification and the relation with the conventional specification.

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