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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [coarse-grained-configuration.html] - Blame information for rev 249

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
>Coarse-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="Packages"
26
HREF="ecos-packages.html"><LINK
27
REL="NEXT"
28
TITLE="Fine-grained Configuration"
29
HREF="fine-grained-configuration.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="ecos-packages.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="fine-grained-configuration.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="COARSE-GRAINED-CONFIGURATION">Coarse-grained Configuration</H1
86
><P
87
>Coarse-grained configuration of
88
          an <SPAN
89
CLASS="PRODUCTNAME"
90
>eCos</SPAN
91
> system means making configuration changes using the
92
          <B
93
CLASS="COMMAND"
94
>ecosconfig</B
95
> tool. These changes
96
          include: </P
97
><P
98
></P
99
><OL
100
TYPE="1"
101
><LI
102
><P
103
>switching to different target hardware</P
104
></LI
105
><LI
106
><P
107
>switching to a different template</P
108
></LI
109
><LI
110
><P
111
>adding or removing a package</P
112
></LI
113
><LI
114
><P
115
>changing the version of a package</P
116
></LI
117
></OL
118
><P
119
>Whenever <B
120
CLASS="COMMAND"
121
>ecosconfig</B
122
> generates or
123
          updates an <SPAN
124
CLASS="PRODUCTNAME"
125
>eCos</SPAN
126
> configuration, it generates a configuration
127
          save file.</P
128
><P
129
>Suppose that the configuration was first created using
130
          the following command line: </P
131
><TABLE
132
BORDER="5"
133
BGCOLOR="#E0E0F0"
134
WIDTH="70%"
135
><TR
136
><TD
137
><PRE
138
CLASS="SCREEN"
139
>$ ecosconfig new stdeval1</PRE
140
></TD
141
></TR
142
></TABLE
143
><P
144
>To change the target hardware to the Cogent CMA28x
145
          PowerPC board, the following command would be needed:
146
        </P
147
><TABLE
148
BORDER="5"
149
BGCOLOR="#E0E0F0"
150
WIDTH="70%"
151
><TR
152
><TD
153
><PRE
154
CLASS="SCREEN"
155
>$ ecosconfig target cma28x</PRE
156
></TD
157
></TR
158
></TABLE
159
><P
160
>To switch to the PowerPC simulator instead: </P
161
><TABLE
162
BORDER="5"
163
BGCOLOR="#E0E0F0"
164
WIDTH="70%"
165
><TR
166
><TD
167
><PRE
168
CLASS="SCREEN"
169
>$ ecosconfig target psim</PRE
170
></TD
171
></TR
172
></TABLE
173
><P
174
>As the hardware changes, hardware-related packages such as
175
the HAL packages and device drivers will be added to and removed
176
from the configuration as appropriate. </P
177
><P
178
>To remove any package from the current configuration, use
179
the <B
180
CLASS="COMMAND"
181
>remove</B
182
> command: </P
183
><TABLE
184
BORDER="5"
185
BGCOLOR="#E0E0F0"
186
WIDTH="70%"
187
><TR
188
><TD
189
><PRE
190
CLASS="SCREEN"
191
>$ ecosconfig remove uitron</PRE
192
></TD
193
></TR
194
></TABLE
195
><P
196
>You can disable multiple packages using multiple arguments,
197
for example: </P
198
><TABLE
199
BORDER="5"
200
BGCOLOR="#E0E0F0"
201
WIDTH="70%"
202
><TR
203
><TD
204
><PRE
205
CLASS="SCREEN"
206
>$ ecosconfig remove uitron libm</PRE
207
></TD
208
></TR
209
></TABLE
210
><P
211
>If this turns out to have been a mistake then you can
212
          re-enable one or more packages with the
213
          <B
214
CLASS="COMMAND"
215
>add</B
216
> command: </P
217
><TABLE
218
BORDER="5"
219
BGCOLOR="#E0E0F0"
220
WIDTH="70%"
221
><TR
222
><TD
223
><PRE
224
CLASS="SCREEN"
225
>$ ecosconfig add libm</PRE
226
></TD
227
></TR
228
></TABLE
229
><P
230
>Changing the desired version for a package is also
231
          straightforward:</P
232
><TABLE
233
BORDER="5"
234
BGCOLOR="#E0E0F0"
235
WIDTH="70%"
236
><TR
237
><TD
238
><PRE
239
CLASS="SCREEN"
240
>$ ecosconfig version v2_1 kernel</PRE
241
></TD
242
></TR
243
></TABLE
244
><P
245
>It is necessary to regenerate the build tree and header
246
          files following any changes to the configuration before
247
          rebuilding <SPAN
248
CLASS="PRODUCTNAME"
249
>eCos</SPAN
250
>:</P
251
><TABLE
252
BORDER="5"
253
BGCOLOR="#E0E0F0"
254
WIDTH="70%"
255
><TR
256
><TD
257
><PRE
258
CLASS="SCREEN"
259
>$ ecosconfig tree</PRE
260
></TD
261
></TR
262
></TABLE
263
></DIV
264
><DIV
265
CLASS="NAVFOOTER"
266
><HR
267
ALIGN="LEFT"
268
WIDTH="100%"><TABLE
269
SUMMARY="Footer navigation table"
270
WIDTH="100%"
271
BORDER="0"
272
CELLPADDING="0"
273
CELLSPACING="0"
274
><TR
275
><TD
276
WIDTH="33%"
277
ALIGN="left"
278
VALIGN="top"
279
><A
280
HREF="ecos-packages.html"
281
ACCESSKEY="P"
282
>Prev</A
283
></TD
284
><TD
285
WIDTH="34%"
286
ALIGN="center"
287
VALIGN="top"
288
><A
289
HREF="ecos-user-guide.html"
290
ACCESSKEY="H"
291
>Home</A
292
></TD
293
><TD
294
WIDTH="33%"
295
ALIGN="right"
296
VALIGN="top"
297
><A
298
HREF="fine-grained-configuration.html"
299
ACCESSKEY="N"
300
>Next</A
301
></TD
302
></TR
303
><TR
304
><TD
305
WIDTH="33%"
306
ALIGN="left"
307
VALIGN="top"
308
>Packages</TD
309
><TD
310
WIDTH="34%"
311
ALIGN="center"
312
VALIGN="top"
313
><A
314
HREF="manual-configuration.html"
315
ACCESSKEY="U"
316
>Up</A
317
></TD
318
><TD
319
WIDTH="33%"
320
ALIGN="right"
321
VALIGN="top"
322
>Fine-grained Configuration</TD
323
></TR
324
></TABLE
325
></DIV
326
></BODY
327
></HTML
328
>

powered by: WebSVN 2.1.0

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