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Configuration Reference

The CHARON-SSP virtual machines can be configured using a text-based configuration file or the .CHARON-SSP Manager GUI

This section describes the format and content of the text-based configuration file. The configuration file is made up of a number of sections that

describe various aspects of the virtual machine environment. The remaining sections describes the different sections and their syntax.

Syntax

The configuration file format for CHARON-SSP follows the “INI file” format originally pioneered by MS-DOS and 16-bit Microsoft Windows. The

syntax is described in EBNF (Extended Bakus Naur Format) below.

Configuration file syntax in EBNF

file := (section)+

section := ‘[ ]’ ‘\n’‘ NAME ‘

(key)+

key := NAME ‘=’ VALUE ‘\n’

The following briefly describes each configuration file syntax element.

Section

The configuration file is divided into sections. These sections are denoted by names enclosed in ‘[‘ and ‘]’. Figure … shows an example header.

[system]

There is no “end of section” delimiter. A section ends when either the end of file is reached or a new section is encountered.

Properties

Configuration options (properties) are specified as key/value pairs. Key names are separated from values by the ‘=’ character. All characters

following the ‘=’ character to the end of the line are considered part of the value. Figure n shows an example key/value pair.

port = /dev/ttyS0

Comments

Comments are ignored by the emulator. They are provided for human readers and writers to leave informative notes. A comment starts with the '

' character and continues to the end of the line. # Figure n shows some example comments.

# CHARON-SSP configuration file comment

Blank Lines

Blank lines are ignored by the emulator. They should be used to break up the configuration file, making it easier for a human reader to analyze.

Configuration property names are case-sensitive. This means that “port” and “Port” are not equivalent.

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