Specifications

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Chapter 19
Microprocessor Software Specification
(MSS)
This chapter describes the Microprocessor Software Specification (MSS) format. The
chapter contains the following sections.
x “Overview”
x “MSS Format”
x “Global Parameters”
x “Instance Specific Parameters”
Overview
An MSS file is supplied by the user as an input to the Library Generator (Libgen). The MSS
file contains directives for customizing operating systems (OS), libraries, and drivers.
Note: RevUp tool provides a way to convert old MSS format to the new one used in this
version of the EDK tools. Please see Chapter 9, “Format Revision Tool,” for more
information.
MSS Format
An MSS file is supplied by the user as an input to the Library Generator (Libgen). An MSS
file is case insensitive. However, any reference to a file name or instance name in the MSS
file is case sensitive.
Comments can be specified anywhere in the file. A ’#’ character denotes the beginning of a
comment and all characters after the ’#’ till the end of the line are ignored. All white spaces
are also ignored and carriage returns act as sentence delimiters.
Keywords
The keywords that are used in an MSS file are as follows:
Begin
The begin keyword begins a driver, processor, or file system definition block. The begin
keyword should be followed by driver, processor or filesys keywords.
End
The end keyword signifies the end of a definition block.