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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<!-- or later (the latest version is presently available at          -->
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<HTML
><HEAD
><TITLE
>Fine-grained Configuration</TITLE
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><BODY
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><TR
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></TR
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WIDTH="10%"
ALIGN="left"
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><A
HREF="coarse-grained-configuration.html"
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WIDTH="80%"
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>Chapter 28. Manual Configuration</TD
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ACCESSKEY="N"
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><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%"
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><TR
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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
>

Line No.	Rev	Author	Line
1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
2			`<!-- This material may be distributed only subject to the terms -->`
3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
4			`<!-- or later (the latest version is presently available at -->`
5			`<!-- http://www.opencontent.org/openpub/). -->`
6			`<!-- Distribution of the work or derivative of the work in any -->`
7			`<!-- standard (paper) book form is prohibited unless prior -->`
8			`<!-- permission is obtained from the copyright holder. -->`
9			`<HTML`
10			`><HEAD`
11			`><TITLE`
12			`>Fine-grained Configuration</TITLE`
13			`><meta name="MSSmartTagsPreventParsing" content="TRUE">`
14			`<META`
15			`NAME="GENERATOR"`
16			`CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+`
17			`"><LINK`
18			`REL="HOME"`
19			`TITLE="eCos User Guide"`
20			`HREF="ecos-user-guide.html"><LINK`
21			`REL="UP"`
22			`TITLE="Manual Configuration"`
23			`HREF="manual-configuration.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="Coarse-grained Configuration"`
26			`HREF="coarse-grained-configuration.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Editing an eCos Savefile"`
29			`HREF="editing-an-ecos-savefile.html"></HEAD`
30			`><BODY`
31			`CLASS="SECT1"`
32			`BGCOLOR="#FFFFFF"`
33			`TEXT="#000000"`
34			`LINK="#0000FF"`
35			`VLINK="#840084"`
36			`ALINK="#0000FF"`
37			`><DIV`
38			`CLASS="NAVHEADER"`
39			`><TABLE`
40			`SUMMARY="Header navigation table"`
41			`WIDTH="100%"`
42			`BORDER="0"`
43			`CELLPADDING="0"`
44			`CELLSPACING="0"`
45			`><TR`
46			`><TH`
47			`COLSPAN="3"`
48			`ALIGN="center"`
49			`>eCos User Guide</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="coarse-grained-configuration.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
65			`>Chapter 28. Manual Configuration</TD`
66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="editing-an-ecos-savefile.html"`
72			`ACCESSKEY="N"`
73			`>Next</A`
74			`></TD`
75			`></TR`
76			`></TABLE`
77			`><HR`
78			`ALIGN="LEFT"`
79			`WIDTH="100%"></DIV`
80			`><DIV`
81			`CLASS="SECT1"`
82			`><H1`
83			`CLASS="SECT1"`
84			`><A`
85			`NAME="FINE-GRAINED-CONFIGURATION">Fine-grained Configuration</H1`
86			`><P`
87			`><B`
88			`CLASS="COMMAND"`
89			`>ecosconfig</B`
90			`> only provides`
91			`coarse-grained control over the configuration: the hardware,`
92			`the template and the packages that should be built. Unlike`
93			`the Configuration Tool,`
94			`<B`
95			`CLASS="COMMAND"`
96			`>ecosconfig</B`
97			`> does not provide`
98			`any facilities for manipulating finer-grained configuration options such as how many`
99			`priority levels the scheduler should support. There are`
100			`hundreds of these options, and manipulating them by means of`
101			`command line arguments would not be sensible. </P`
102			`><P`
103			`>In the current system fine-grained configuration options may`
104			`be manipulated by manual editing of the configuration file. When`
105			`a file has been edited in this way, the <B`
106			`CLASS="COMMAND"`
107			`>ecosconfig</B`
108			`> tool`
109			`should be used to check the configuration for any conflicts which`
110			`may have been introduced:</P`
111			`><TABLE`
112			`BORDER="5"`
113			`BGCOLOR="#E0E0F0"`
114			`WIDTH="70%"`
115			`><TR`
116			`><TD`
117			`><PRE`
118			`CLASS="SCREEN"`
119			`>$ ecosconfig check</PRE`
120			`></TD`
121			`></TR`
122			`></TABLE`
123			`><P`
124			`>The <B`
125			`CLASS="COMMAND"`
126			`>check</B`
127			`> command will list`
128			`all conflicts and will also rewrite the configuration file, propagating`
129			`any changes which affect other options. The user may choose to resolve`
130			`the conflicts either by re-editing the configuration file manually`
131			`or by invoking the inference engine using the <B`
132			`CLASS="COMMAND"`
133			`>resolve</B`
134			`> command:</P`
135			`><TABLE`
136			`BORDER="5"`
137			`BGCOLOR="#E0E0F0"`
138			`WIDTH="70%"`
139			`><TR`
140			`><TD`
141			`><PRE`
142			`CLASS="SCREEN"`
143			`>$ ecosconfig resolve</PRE`
144			`></TD`
145			`></TR`
146			`></TABLE`
147			`><P`
148			`>The <B`
149			`CLASS="COMMAND"`
150			`>resolve</B`
151			`> command will`
152			`list all conflicts which can be resolved and save the resulting changes`
153			`to the configuration.</P`
154			`><P`
155			`>It is necessary to regenerate the build tree and header files`
156			`following any changes to the configuration before rebuilding <SPAN`
157			`CLASS="PRODUCTNAME"`
158			`>eCos</SPAN`
159			`>:</P`
160			`><TABLE`
161			`BORDER="5"`
162			`BGCOLOR="#E0E0F0"`
163			`WIDTH="70%"`
164			`><TR`
165			`><TD`
166			`><PRE`
167			`CLASS="SCREEN"`
168			`>$ ecosconfig tree</PRE`
169			`></TD`
170			`></TR`
171			`></TABLE`
172			`><P`
173			`>All the configuration options and their descriptions are listed`
174			`in the <I`
175			`CLASS="CITETITLE"`
176			`><SPAN`
177			`CLASS="PRODUCTNAME"`
178			`>eCos</SPAN`
179			`> Reference Manual</I`
180			`>. </P`
181			`></DIV`
182			`><DIV`
183			`CLASS="NAVFOOTER"`
184			`><HR`
185			`ALIGN="LEFT"`
186			`WIDTH="100%"><TABLE`
187			`SUMMARY="Footer navigation table"`
188			`WIDTH="100%"`
189			`BORDER="0"`
190			`CELLPADDING="0"`
191			`CELLSPACING="0"`
192			`><TR`
193			`><TD`
194			`WIDTH="33%"`
195			`ALIGN="left"`
196			`VALIGN="top"`
197			`><A`
198			`HREF="coarse-grained-configuration.html"`
199			`ACCESSKEY="P"`
200			`>Prev</A`
201			`></TD`
202			`><TD`
203			`WIDTH="34%"`
204			`ALIGN="center"`
205			`VALIGN="top"`
206			`><A`
207			`HREF="ecos-user-guide.html"`
208			`ACCESSKEY="H"`
209			`>Home</A`
210			`></TD`
211			`><TD`
212			`WIDTH="33%"`
213			`ALIGN="right"`
214			`VALIGN="top"`
215			`><A`
216			`HREF="editing-an-ecos-savefile.html"`
217			`ACCESSKEY="N"`
218			`>Next</A`
219			`></TD`
220			`></TR`
221			`><TR`
222			`><TD`
223			`WIDTH="33%"`
224			`ALIGN="left"`
225			`VALIGN="top"`
226			`>Coarse-grained Configuration</TD`
227			`><TD`
228			`WIDTH="34%"`
229			`ALIGN="center"`
230			`VALIGN="top"`
231			`><A`
232			`HREF="manual-configuration.html"`
233			`ACCESSKEY="U"`
234			`>Up</A`
235			`></TD`
236			`><TD`
237			`WIDTH="33%"`
238			`ALIGN="right"`
239			`VALIGN="top"`
240			`>Editing an <SPAN`
241			`CLASS="PRODUCTNAME"`
242			`>eCos</SPAN`
243			`> Savefile</TD`
244			`></TR`
245			`></TABLE`
246			`></DIV`
247			`></BODY`
248			`></HTML`
249			`>`

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