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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<!-- and conditions set forth in the Open Publication License, v1.0  -->
<!-- or later (the latest version is presently available at          -->
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<HTML
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><TITLE
>i386/Linux Synthetic Target Setup</TITLE
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><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="SETUP-SYNTH-I386LINUX">i386/Linux Synthetic Target Setup</H1
><P
>When building for the synthetic Linux target, the resulting
binaries are native Linux applications with the HAL providing suitable
bindings between the eCos kernel and the Linux kernel.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>Please be aware that the current implementation of the Linux
synthetic target does not allow thread-aware debugging.</P
></BLOCKQUOTE
></DIV
><P
>These Linux applications cannot be run on a Windows system.
However, it is possible to write a similar HAL emulation for the
Windows kernel if such a testing target is desired.</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN4471">Tools</H2
><P
>For the synthetic target, eCos relies on features not available
in native compilers earlier than gcc-2.95.1. It also requires version
2.9.5 or later of the GNU linker. If you have gcc-2.95.1 or later
and ld version 2.9.5 or later, then you do not need to build new
tools. eCos does not support earlier versions. You can check the compiler
version using <B
CLASS="COMMAND"
>gcc -v</B
>
and the linker version using <B
CLASS="COMMAND"
>ld
-v</B
>.</P
><P
>If you have native tools that are sufficiently recent for
use with eCos, you should be aware that by default eCos assumes
that the tools <B
CLASS="COMMAND"
>i686-pc-linux-gnu-gcc</B
>, <B
CLASS="COMMAND"
>i686-pc-linux-gnu-ar</B
>,
 <B
CLASS="COMMAND"
>i686-pc-linux-gnu-ld</B
>, and <B
CLASS="COMMAND"
>i686-pc-linux-gnu-objcopy</B
> are
on your system and are the correct versions for use with eCos. But
instead, you can tell eCos to use your native tools by editing the
configuration value "Global command prefix" (CYGBLD_GLOBAL_COMMAND_PREFIX)
in your eCos configuration. If left empty (i.e. set to the empty
string) eCos will use your native tools when building.</P
><P
>If you have any difficulties, it is almost certainly easiest
overall to rebuild the tools as described on: <A
HREF="http://sources.redhat.com/ecos/getstart.html"
TARGET="_top"
>http://sources.redhat.com/ecos/getstart.html</A
></P
></DIV
></DIV
><DIV
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><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
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ALIGN="left"
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><A
HREF="setup-i386-pc.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
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HREF="real-time-characterization.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>i386 PC Hardware Setup</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="appendix-target-setup.html"
ACCESSKEY="U"
>Up</A
></TD
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ALIGN="right"
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>Real-time characterization</TD
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></DIV
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></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			`>i386/Linux Synthetic Target Setup</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="Target Setup"`
23			`HREF="appendix-target-setup.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="i386 PC Hardware Setup"`
26			`HREF="setup-i386-pc.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="Real-time characterization"`
29			`HREF="real-time-characterization.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="setup-i386-pc.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
65			`>Appendix A. Target Setup</TD`
66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="real-time-characterization.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="SETUP-SYNTH-I386LINUX">i386/Linux Synthetic Target Setup</H1`
86			`><P`
87			`>When building for the synthetic Linux target, the resulting`
88			`binaries are native Linux applications with the HAL providing suitable`
89			`bindings between the eCos kernel and the Linux kernel.</P`
90			`><DIV`
91			`CLASS="NOTE"`
92			`><BLOCKQUOTE`
93			`CLASS="NOTE"`
94			`><P`
95			`><B`
96			`>Note: </B`
97			`>Please be aware that the current implementation of the Linux`
98			`synthetic target does not allow thread-aware debugging.</P`
99			`></BLOCKQUOTE`
100			`></DIV`
101			`><P`
102			`>These Linux applications cannot be run on a Windows system.`
103			`However, it is possible to write a similar HAL emulation for the`
104			`Windows kernel if such a testing target is desired.</P`
105			`><DIV`
106			`CLASS="SECT2"`
107			`><H2`
108			`CLASS="SECT2"`
109			`><A`
110			`NAME="AEN4471">Tools</H2`
111			`><P`
112			`>For the synthetic target, eCos relies on features not available`
113			`in native compilers earlier than gcc-2.95.1. It also requires version`
114			`2.9.5 or later of the GNU linker. If you have gcc-2.95.1 or later`
115			`and ld version 2.9.5 or later, then you do not need to build new`
116			`tools. eCos does not support earlier versions. You can check the compiler`
117			`version using <B`
118			`CLASS="COMMAND"`
119			`>gcc -v</B`
120			`>`
121			`and the linker version using <B`
122			`CLASS="COMMAND"`
123			`>ld`
124			`-v</B`
125			`>.</P`
126			`><P`
127			`>If you have native tools that are sufficiently recent for`
128			`use with eCos, you should be aware that by default eCos assumes`
129			`that the tools <B`
130			`CLASS="COMMAND"`
131			`>i686-pc-linux-gnu-gcc</B`
132			`>, <B`
133			`CLASS="COMMAND"`
134			`>i686-pc-linux-gnu-ar</B`
135			`>,`
136			`<B`
137			`CLASS="COMMAND"`
138			`>i686-pc-linux-gnu-ld</B`
139			`>, and <B`
140			`CLASS="COMMAND"`
141			`>i686-pc-linux-gnu-objcopy</B`
142			`> are`
143			`on your system and are the correct versions for use with eCos. But`
144			`instead, you can tell eCos to use your native tools by editing the`
145			`configuration value "Global command prefix" (CYGBLD_GLOBAL_COMMAND_PREFIX)`
146			`in your eCos configuration. If left empty (i.e. set to the empty`
147			`string) eCos will use your native tools when building.</P`
148			`><P`
149			`>If you have any difficulties, it is almost certainly easiest`
150			`overall to rebuild the tools as described on: <A`
151			`HREF="http://sources.redhat.com/ecos/getstart.html"`
152			`TARGET="_top"`
153			`>http://sources.redhat.com/ecos/getstart.html</A`
154			`></P`
155			`></DIV`
156			`></DIV`
157			`><DIV`
158			`CLASS="NAVFOOTER"`
159			`><HR`
160			`ALIGN="LEFT"`
161			`WIDTH="100%"><TABLE`
162			`SUMMARY="Footer navigation table"`
163			`WIDTH="100%"`
164			`BORDER="0"`
165			`CELLPADDING="0"`
166			`CELLSPACING="0"`
167			`><TR`
168			`><TD`
169			`WIDTH="33%"`
170			`ALIGN="left"`
171			`VALIGN="top"`
172			`><A`
173			`HREF="setup-i386-pc.html"`
174			`ACCESSKEY="P"`
175			`>Prev</A`
176			`></TD`
177			`><TD`
178			`WIDTH="34%"`
179			`ALIGN="center"`
180			`VALIGN="top"`
181			`><A`
182			`HREF="ecos-user-guide.html"`
183			`ACCESSKEY="H"`
184			`>Home</A`
185			`></TD`
186			`><TD`
187			`WIDTH="33%"`
188			`ALIGN="right"`
189			`VALIGN="top"`
190			`><A`
191			`HREF="real-time-characterization.html"`
192			`ACCESSKEY="N"`
193			`>Next</A`
194			`></TD`
195			`></TR`
196			`><TR`
197			`><TD`
198			`WIDTH="33%"`
199			`ALIGN="left"`
200			`VALIGN="top"`
201			`>i386 PC Hardware Setup</TD`
202			`><TD`
203			`WIDTH="34%"`
204			`ALIGN="center"`
205			`VALIGN="top"`
206			`><A`
207			`HREF="appendix-target-setup.html"`
208			`ACCESSKEY="U"`
209			`>Up</A`
210			`></TD`
211			`><TD`
212			`WIDTH="33%"`
213			`ALIGN="right"`
214			`VALIGN="top"`
215			`>Real-time characterization</TD`
216			`></TR`
217			`></TABLE`
218			`></DIV`
219			`></BODY`
220			`></HTML`
221			`>`

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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [setup-synth-i386linux.html] - Blame information for rev 773