URL https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [fine-grained-configuration.html] - Rev 842

Go to most recent revision | Compare with Previous | Blame | View Log
<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
<!-- This material may be distributed only subject to the terms      -->
<!-- and conditions set forth in the Open Publication License, v1.0  -->
<!-- or later (the latest version is presently available at          -->
<!-- http://www.opencontent.org/openpub/).                           -->
<!-- Distribution of the work or derivative of the work in any       -->
<!-- standard (paper) book form is prohibited unless prior           -->
<!-- permission is obtained from the copyright holder.               -->
<HTML
><HEAD
><TITLE
>Fine-grained Configuration</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos User Guide"
HREF="ecos-user-guide.html"><LINK
REL="UP"
TITLE="Manual Configuration"
HREF="manual-configuration.html"><LINK
REL="PREVIOUS"
TITLE="Coarse-grained Configuration"
HREF="coarse-grained-configuration.html"><LINK
REL="NEXT"
TITLE="Editing an eCos Savefile"
HREF="editing-an-ecos-savefile.html"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>eCos User Guide</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="coarse-grained-configuration.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 28. Manual Configuration</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="editing-an-ecos-savefile.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="FINE-GRAINED-CONFIGURATION">Fine-grained Configuration</H1
><P
><B
CLASS="COMMAND"
>ecosconfig</B
> only provides
	  coarse-grained control over the configuration: the hardware,
	  the template and the packages that should be built. Unlike
	  the Configuration Tool,
	  <B
CLASS="COMMAND"
>ecosconfig</B
> does not provide
	  any facilities for manipulating finer-grained configuration options such as how many
	  priority levels the scheduler should support. There are
	  hundreds of these options, and manipulating them by means of
	  command line arguments would not be sensible. </P
><P
>In the current system fine-grained configuration options may
be manipulated by manual editing of the configuration file. When
a file has been edited in this way, the <B
CLASS="COMMAND"
>ecosconfig</B
> tool
should be used to check the configuration for any conflicts which
may have been introduced:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ ecosconfig check</PRE
></TD
></TR
></TABLE
><P
>The <B
CLASS="COMMAND"
>check</B
> command will list
all conflicts and will also rewrite the configuration file, propagating
any changes which affect other options. The user may choose to resolve
the conflicts either by re-editing the configuration file manually
or by invoking the inference engine using the <B
CLASS="COMMAND"
>resolve</B
> command:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ ecosconfig resolve</PRE
></TD
></TR
></TABLE
><P
>The  <B
CLASS="COMMAND"
>resolve</B
> command will
list all conflicts which can be resolved and save the resulting changes
to the configuration.</P
><P
>It is necessary to regenerate the build tree and header files
following any changes to the configuration before rebuilding <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
>:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ ecosconfig tree</PRE
></TD
></TR
></TABLE
><P
>All the configuration options and their descriptions are listed
in the <I
CLASS="CITETITLE"
><SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Reference Manual</I
>. </P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="coarse-grained-configuration.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-user-guide.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="editing-an-ecos-savefile.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Coarse-grained Configuration</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="manual-configuration.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Editing an <SPAN
CLASS="PRODUCTNAME"
>eCos</SPAN
> Savefile</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
Go to most recent revision | Compare with Previous | Blame | View Log
Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [fine-grained-configuration.html] - Rev 842
