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+<HTML
+><HEAD
+><TITLE
+>Fine-grained Configuration</TITLE
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+TITLE="Coarse-grained Configuration"
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+>eCos User Guide</TH
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+ACCESSKEY="P"
+>Prev</A
+></TD
+><TD
+WIDTH="80%"
+ALIGN="center"
+VALIGN="bottom"
+>Chapter 28. Manual Configuration</TD
+><TD
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+><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
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+>Home</A
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+HREF="manual-configuration.html"
+ACCESSKEY="U"
+>Up</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
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+>Editing an <SPAN
+CLASS="PRODUCTNAME"
+>eCos</SPAN
+> Savefile</TD
+></TR
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+></HTML
+>
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