OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [component-repo-and-working-dirs.html] - Blame information for rev 28

Go to most recent revision | Details | Compare with Previous | View Log

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 
>The Component Repository and Working Directories</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="eCos Programming Concepts and Techniques"
23 
HREF="ecos-programming-concepts-and-techniques.html"><LINK
24 
REL="PREVIOUS"
25 
TITLE="Templates"
26 
HREF="cdl-templates.html"><LINK
27 
REL="NEXT"
28 
TITLE="Build Tree"
29 
HREF="build-tree.html"></HEAD
30 
><BODY
31 
CLASS="CHAPTER"
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="cdl-templates.html"
58 
ACCESSKEY="P"
59 
>Prev</A
60 
></TD
61 
><TD
62 
WIDTH="80%"
63 
ALIGN="center"
64 
VALIGN="bottom"
65 
></TD
66 
><TD
67 
WIDTH="10%"
68 
ALIGN="right"
69 
VALIGN="bottom"
70 
><A
71 
HREF="build-tree.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="CHAPTER"
82 
><H1
83 
><A
84 
NAME="COMPONENT-REPO-AND-WORKING-DIRS">Chapter 25. The Component Repository and Working Directories</H1
85 
><DIV
86 
CLASS="TOC"
87 
><DL
88 
><DT
89 
><B
90 
>Table of Contents</B
91 
></DT
92 
><DT
93 
><A
94 
HREF="component-repo-and-working-dirs.html#COMPONENT-REPO"
95 
>Component Repository</A
96 
></DT
97 
><DT
98 
><A
99 
HREF="build-tree.html"
100 
>Build Tree</A
101 
></DT
102 
><DT
103 
><A
104 
HREF="install-tree.html"
105 
>Install Tree</A
106 
></DT
107 
><DT
108 
><A
109 
HREF="repository-app-build-tree.html"
110 
>Application Build Tree</A
111 
></DT
112 
></DL
113 
></DIV
114 
><P
115 
>Each of the file trees involved in <SPAN
116 
CLASS="PRODUCTNAME"
117 
>eCos</SPAN
118 
> development has a
119 
        different role. </P
120 
><DIV
121 
CLASS="SECT1"
122 
><H1
123 
CLASS="SECT1"
124 
><A
125 
NAME="COMPONENT-REPO">Component Repository</H1
126 
><P
127 
>The <SPAN
128 
CLASS="PRODUCTNAME"
129 
>eCos</SPAN
130 
> <I
131 
CLASS="FIRSTTERM"
132 
>component repository</I
133 
>
134 
          contains directories for all the packages that are shipped
135 
          with <SPAN
136 
CLASS="PRODUCTNAME"
137 
>eCos</SPAN
138 
> or provided by third parties.</P
139 
><P
140 
>The component repository should not be modified as part of
141 
application development. </P
142 
><DIV
143 
CLASS="FIGURE"
144 
><A
145 
NAME="AEN2022"><P
146 
><B
147 
>Figure 25-1. Component repository</B
148 
></P
149 
><P
150 
><IMG
151 
SRC="pix/comprepos.png"></P
152 
></DIV
153 
><DIV
154 
CLASS="SECT2"
155 
><H2
156 
CLASS="SECT2"
157 
><A
158 
NAME="AEN2025">Purpose</H2
159 
><P
160 
>The component repository is the master copy of source code
161 
for all system and third party components. It also contains some
162 
files needed to administer and build the system, such as <B
163 
CLASS="COMMAND"
164 
>ecosadmin.tcl</B
165 
>.</P
166 
></DIV
167 
><DIV
168 
CLASS="SECT2"
169 
><H2
170 
CLASS="SECT2"
171 
><A
172 
NAME="AEN2029">How is it modified?</H2
173 
><P
174 
>You modify it by importing new versions of packages from a
175 
distribution or removing existing packages. These activities are
176 
undertaken using the <SPAN
177 
CLASS="PRODUCTNAME"
178 
>eCos</SPAN
179 
> <SPAN
180 
CLASS="APPLICATION"
181 
>Package Administration Tool</SPAN
182 
>.</P
183 
></DIV
184 
><DIV
185 
CLASS="SECT2"
186 
><H2
187 
CLASS="SECT2"
188 
><A
189 
NAME="AEN2034">When is it edited manually?</H2
190 
><P
191 
>Files in the component repository should only be edited manually
192 
as determined by the component maintainer.</P
193 
></DIV
194 
><DIV
195 
CLASS="SECT2"
196 
><H2
197 
CLASS="SECT2"
198 
><A
199 
NAME="AEN2037">User Applications</H2
200 
><P
201 
>User application source code should <SPAN
202 
CLASS="emphasis"
203 
><I
204 
CLASS="EMPHASIS"
205 
>not</I
206 
></SPAN
207 
> go
208 
into the component repository.</P
209 
></DIV
210 
><DIV
211 
CLASS="SECT2"
212 
><H2
213 
CLASS="SECT2"
214 
><A
215 
NAME="AEN2041">Examples of files in this hierarchy:</H2
216 
><P
217 
></P
218 
><DIV
219 
CLASS="VARIABLELIST"
220 
><DL
221 
><DT
222 
><TT
223 
CLASS="FILENAME"
224 
><TT
225 
CLASS="REPLACEABLE"
226 
><I
227 
>BASE_DIR</I
228 
></TT
229 
>/doc/ref/ecos-ref.html</TT
230 
></DT
231 
><DD
232 
><P
233 
>The top level HTML file for the
234 
                  <I
235 
CLASS="CITETITLE"
236 
><SPAN
237 
CLASS="PRODUCTNAME"
238 
>eCos</SPAN
239 
> Reference
240 
                    Manual</I
241 
>. </P
242 
></DD
243 
><DT
244 
><TT
245 
CLASS="FILENAME"
246 
><TT
247 
CLASS="REPLACEABLE"
248 
><I
249 
>BASE_DIR</I
250 
></TT
251 
>/prebuilt/pid/tests/kernel/<TT
252 
CLASS="REPLACEABLE"
253 
><I
254 
>&#60;version&#62;</I
255 
></TT
256 
>/tests/thread_gdb.exe</TT
257 
></DT
258 
><DD
259 
><P
260 
></P
261 
></DD
262 
><DT
263 
><TT
264 
CLASS="FILENAME"
265 
><TT
266 
CLASS="REPLACEABLE"
267 
><I
268 
>BASE_DIR</I
269 
></TT
270 
>/prebuilt/linux/tests/kernel/<TT
271 
CLASS="REPLACEABLE"
272 
><I
273 
>&#60;version&#62;</I
274 
></TT
275 
>/tests/thread_gdb.exe</TT
276 
></DT
277 
><DD
278 
><P
279 
>Pre-built tests for the supported platforms, and
280 
                  the synthetic Linux target.</P
281 
></DD
282 
><DT
283 
><TT
284 
CLASS="FILENAME"
285 
><TT
286 
CLASS="REPLACEABLE"
287 
><I
288 
>BASE_DIR</I
289 
></TT
290 
>/examples/twothreads.c</TT
291 
></DT
292 
><DD
293 
><P
294 
>One of the example programs.</P
295 
></DD
296 
><DT
297 
><TT
298 
CLASS="FILENAME"
299 
><TT
300 
CLASS="REPLACEABLE"
301 
><I
302 
>BASE_DIR</I
303 
></TT
304 
>/ecosadmin.tcl</TT
305 
></DT
306 
><DD
307 
><P
308 
>The Tcl program which is used to  import new versions of packages
309 
from a distribution or remove existing packages.</P
310 
></DD
311 
><DT
312 
><TT
313 
CLASS="FILENAME"
314 
><TT
315 
CLASS="REPLACEABLE"
316 
><I
317 
>BASE_DIR</I
318 
></TT
319 
>/packages/language/c/libm/<TT
320 
CLASS="REPLACEABLE"
321 
><I
322 
>&#60;version&#62;</I
323 
></TT
324 
>/src/double/portable-api/s_tanh.c</TT
325 
></DT
326 
><DD
327 
><P
328 
>Implementation of the hyperbolic tangent function in the standard
329 
math library.</P
330 
></DD
331 
><DT
332 
><TT
333 
CLASS="FILENAME"
334 
><TT
335 
CLASS="REPLACEABLE"
336 
><I
337 
>BASE_DIR</I
338 
></TT
339 
>/pkgconf/rules.mak</TT
340 
></DT
341 
><DD
342 
><P
343 
>A file with <B
344 
CLASS="COMMAND"
345 
>make</B
346 
> rules, used
347 
by the <TT
348 
CLASS="FILENAME"
349 
>makefile</TT
350 
>.</P
351 
></DD
352 
></DL
353 
></DIV
354 
></DIV
355 
></DIV
356 
></DIV
357 
><DIV
358 
CLASS="NAVFOOTER"
359 
><HR
360 
ALIGN="LEFT"
361 
WIDTH="100%"><TABLE
362 
SUMMARY="Footer navigation table"
363 
WIDTH="100%"
364 
BORDER="0"
365 
CELLPADDING="0"
366 
CELLSPACING="0"
367 
><TR
368 
><TD
369 
WIDTH="33%"
370 
ALIGN="left"
371 
VALIGN="top"
372 
><A
373 
HREF="cdl-templates.html"
374 
ACCESSKEY="P"
375 
>Prev</A
376 
></TD
377 
><TD
378 
WIDTH="34%"
379 
ALIGN="center"
380 
VALIGN="top"
381 
><A
382 
HREF="ecos-user-guide.html"
383 
ACCESSKEY="H"
384 
>Home</A
385 
></TD
386 
><TD
387 
WIDTH="33%"
388 
ALIGN="right"
389 
VALIGN="top"
390 
><A
391 
HREF="build-tree.html"
392 
ACCESSKEY="N"
393 
>Next</A
394 
></TD
395 
></TR
396 
><TR
397 
><TD
398 
WIDTH="33%"
399 
ALIGN="left"
400 
VALIGN="top"
401 
>Templates</TD
402 
><TD
403 
WIDTH="34%"
404 
ALIGN="center"
405 
VALIGN="top"
406 
><A
407 
HREF="ecos-programming-concepts-and-techniques.html"
408 
ACCESSKEY="U"
409 
>Up</A
410 
></TD
411 
><TD
412 
WIDTH="33%"
413 
ALIGN="right"
414 
VALIGN="top"
415 
>Build Tree</TD
416 
></TR
417 
></TABLE
418 
></DIV
419 
></BODY
420 
></HTML
421 
>

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.