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<HTML
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><HEAD
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><TITLE
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>Ecosconfig on Windows and Linux Quick Start</TITLE
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TITLE="eCos User Guide"
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TITLE="Configuring and Building eCos from Source"
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TITLE="Configuration Tool on Windows and Linux Quick Start"
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TITLE="Running an eCos Test Case"
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><TR
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><TH
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COLSPAN="3"
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>eCos User Guide</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="using-configtool-windows-linux.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 11. Configuring and Building <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> from Source</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="running-an-ecos-test-case.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="USING-ECOSCONFIG-ON-LINUX">Ecosconfig on Windows and Linux Quick Start</H1
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><P
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>As an alternative to using the graphical
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<SPAN
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CLASS="APPLICATION"
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>Configuration Tool</SPAN
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>, it is still possible to
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configure and build a kernel by editing a configuration file manually
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and using the <B
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CLASS="COMMAND"
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>ecosconfig</B
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> command. </P
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><P
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>Manual configuration and the <B
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CLASS="COMMAND"
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>ecosconfig</B
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> command are
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described in detail in <A
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HREF="manual-configuration.html"
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>Chapter 28</A
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>.</P
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><P
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>To use the <B
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CLASS="COMMAND"
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>ecosconfig</B
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> command you need to start a
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shell. In Windows you need to start a
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<SPAN
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CLASS="PRODUCTNAME"
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>CygWin</SPAN
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> <B
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CLASS="COMMAND"
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>bash</B
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> shell, not a
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DOS command line.</P
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><P
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>The following instructions assume that the
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<TT
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CLASS="LITERAL"
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>PATH</TT
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> and <TT
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CLASS="LITERAL"
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>ECOS_REPOSITORY</TT
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>
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environment variables have been setup correctly as described in <A
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HREF="user-guide-installation-linux.html"
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>Chapter 7</A
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>.  They also assume Linux
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usage but equally well apply to Windows running Cygwin.</P
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><P
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>Before invoking <B
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CLASS="COMMAND"
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>ecosconfig</B
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> you need to
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choose a directory in which to work. For the purposes of this tutorial,
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the default path will be <TT
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CLASS="FILENAME"
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><TT
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CLASS="REPLACEABLE"
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><I
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>BASE_DIR</I
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></TT
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>/ecos-work</TT
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>.
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Create this directory and change to it by typing: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ mkdir <TT
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CLASS="REPLACEABLE"
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><I
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>BASE_DIR</I
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></TT
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>/ecos-work
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$ cd <TT
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CLASS="REPLACEABLE"
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><I
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>BASE_DIR</I
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></TT
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>/ecos-work</PRE
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></TD
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></TR
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></TABLE
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><P
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>To see what options can be used with <B
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CLASS="COMMAND"
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>ecosconfig</B
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>,
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type: </P
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><TABLE
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig --help</PRE
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></TD
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></TR
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></TABLE
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><P
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>The available packages, targets and templates may be listed
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as follows:</P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig list</PRE
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></TD
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></TR
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></TABLE
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><P
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>Here is sample output from <B
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CLASS="COMMAND"
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>ecosconfig</B
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> showing
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the usage message.</P
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><DIV
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CLASS="EXAMPLE"
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><A
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NAME="AEN683"><P
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><B
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>Example 11-1. Getting  help from ecosconfig</B
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></P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig --help
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Usage: ecosconfig [ qualifier ... ] [ command ]
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  commands are:
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    list                                       : list repository contents
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    new TARGET [ TEMPLATE [ VERSION ] ]        : create a configuration
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    target TARGET                              : change the target hardware
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    template TEMPLATE [ VERSION ]              : change the template
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    add PACKAGE [ PACKAGE ... ]                : add package(s)
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    remove PACKAGE [ PACKAGE ... ]             : remove package(s)
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    version VERSION PACKAGE [ PACKAGE ... ]    : change version of package(s)
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    export FILE                                : export minimal config info
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    import FILE                                : import additional config info
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    check                                      : check the configuration
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    resolve                                    : resolve conflicts
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    tree                                       : create a build tree
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  qualifiers are:
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    --config=FILE                              : the configuration file
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    --prefix=DIRECTORY                         : the install prefix
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    --srcdir=DIRECTORY                         : the source repository
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    --no-resolve                               : disable conflict
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resolution
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    --version                                  : show version and copyright
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$</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="EXAMPLE"
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><A
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NAME="AEN686"><P
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><B
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>Example 11-2. ecosconfig output &#8212;
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list of available packages, targets and templates</B
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></P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig list
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Package CYGPKG_CYGMON (CygMon support via eCos):
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aliases: cygmon
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versions: &#60;version&#62;
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Package CYGPKG_DEVICES_WALLCLOCK_DALLAS_DS1742 (Wallclock driver for Dallas 1742):
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aliases: devices_wallclock_ds1742 device_wallclock_ds1742
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versions: &#60;version&#62;
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Package CYGPKG_DEVICES_WALLCLOCK_SH3 (Wallclock driver for SH3 RTC module):
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aliases: devices_wallclock_sh3 device_wallclock_sh3
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versions: &#60;version&#62;
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Package CYGPKG_DEVICES_WATCHDOG_ARM_AEB (Watchdog driver for ARM/AEB board):
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aliases: devices_watchdog_aeb device_watchdog_aeb
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versions: &#60;version&#62;
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Package CYGPKG_DEVICES_WATCHDOG_ARM_EBSA285 (Watchdog driver for ARM/EBSA285 board):
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aliases: devices_watchdog_ebsa285 device_watchdog_ebsa285
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versions: &#60;version&#62;
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&#8230;</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN689">Selecting a  Target</H2
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><P
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>To configure for a listed target, type: </P
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><TABLE
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig new &lt;target&#62;</PRE
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></TD
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></TR
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></TABLE
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><P
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>For example, to configure for the ARM PID development board,
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type: </P
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><TABLE
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig new pid</PRE
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></TD
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></TR
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></TABLE
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><P
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>You can then edit the generated file,
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<TT
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CLASS="FILENAME"
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>ecos.ecc</TT
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>, setting the options as required for the
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target (endianess, CPU model, Startup type, etc.).  For detailed
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information about how to edit the <TT
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CLASS="FILENAME"
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>ecos.ecc</TT
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> file,
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see the <I
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CLASS="CITETITLE"
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>CDL Writer's Guide</I
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> and <A
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HREF="editing-an-ecos-savefile.html"
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>the Section called <I
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>Editing an <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> Savefile</I
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> in Chapter 28</A
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>.</P
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><P
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>Create a build tree for the configured target by typing:</P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig tree</PRE
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></TD
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></TR
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></TABLE
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><P
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>If there are any problem with the configuration,
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<B
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CLASS="COMMAND"
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>ecosconfig</B
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> will tell you. The most likely cause of
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this is mistakes when editing the <TT
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CLASS="FILENAME"
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>ecos.ecc</TT
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> file.
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You can check whether the configuration you have made is correct,
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without building the tree with the following command:</P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig check</PRE
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></TD
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></TR
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></TABLE
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><P
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>If this reports any conflicts you can get
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<B
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CLASS="COMMAND"
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>ecosconfig</B
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> to try and resolve them itself by typing:</P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig resolve</PRE
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></TD
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></TR
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></TABLE
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><P
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>See <A
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HREF="conflicts-and-constraints.html"
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>the Section called <I
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>Conflicts and constraints</I
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> in Chapter 28</A
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> for more details.</P
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><P
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>You can now run the command <B
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CLASS="COMMAND"
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>make</B
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> or <B
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CLASS="COMMAND"
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>make
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tests</B
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>, after which you will be at the same point you
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would be after running the <SPAN
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CLASS="APPLICATION"
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>Configuration Tool</SPAN
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>
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&#8212; you can start developing your own applications,
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following the steps in <A
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HREF="building-and-running-sample-appliations.html"
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>Chapter 13</A
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>. </P
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><P
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>The procedure shown above allows you to do very coarse-grained
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configuration of the <SPAN
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CLASS="PRODUCTNAME"
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>eCos</SPAN
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> kernel: you can select which packages
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to include in your kernel, and give target and start-up options.
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But you cannot select components within a package, or set the very
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fine-grained options. </P
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><P
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>To select fine-grained configuration options you will need to
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edit the configuration file <TT
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CLASS="FILENAME"
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>ecos.ecc</TT
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> in the
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current directory and regenerate the build tree.</P
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><DIV
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CLASS="CAUTION"
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><P
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></P
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><TABLE
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CLASS="CAUTION"
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BORDER="1"
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WIDTH="100%"
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><TR
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><TD
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ALIGN="CENTER"
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><B
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>Caution</B
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></TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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><P
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>You should follow the manual configuration process described
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above very carefully, and you should read the comments in each file
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to see when one option depends on other options or packages being
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enabled or disabled. If you do not, you might end up with an inconsistently
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configured kernel which could fail to build or might execute
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incorrectly.</P
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></TD
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></TR
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></TABLE
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></DIV
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></DIV
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><A
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>Prev</A
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HREF="ecos-user-guide.html"
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>Home</A
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ALIGN="left"
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>Configuration Tool on Windows and Linux Quick Start</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="configuring-and-building-ecos-from-source.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Running an <SPAN
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>eCos</SPAN
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> Test Case</TD
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