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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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<!-- or later (the latest version is presently available at          -->
<!-- http://www.opencontent.org/openpub/).                           -->
<!-- Distribution of the work or derivative of the work in any       -->
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<HTML
><HEAD
><TITLE
>help</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
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TITLE="eCos Reference Manual"
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TITLE="Common Commands"
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>eCos Reference Manual</TH
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><H1
><A
NAME="HELP-COMMAND">help</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN3316"
></A
><H2
>Name</H2
>help&nbsp;--&nbsp;Display help on available commands</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN3319"><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>help</B
>  [<TT
CLASS="REPLACEABLE"
><I
> topic</I
></TT
>]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3324"
></A
><H2
>Arguments</H2
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN3326"><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Name</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Type</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Description</TH
><TH
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Default</TH
></TR
></THEAD
><TBODY
><TR
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="REPLACEABLE"
><I
>topic</I
></TT
></TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>String</TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>Which command to provide help for.</TD
><TD
WIDTH="25%"
ALIGN="LEFT"
VALIGN="TOP"
>All commands</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3345"
></A
><H2
>Description</H2
><P
>The <B
CLASS="COMMAND"
>help</B
> command displays information about the available
RedBoot commands.  If a <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>topic</I
></SPAN
> is given, then the display
is restricted to information about that specific command.
      </P
><P
>If the command has sub-commands, e.g. <B
CLASS="COMMAND"
>fis</B
>, then the topic
specific display will print additional information about the available sub-commands.
special (ICMP) packets to a specific host. These packets should be automatically
returned by that host. The command will indicate how many of these round-trips
were successfully completed.
      </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3352"
></A
><H2
>Examples</H2
><P
>Show generic help.  Note that the contents of this display will depend on the various configuration
options for RedBoot when it was built.
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>RedBoot&#62; <TT
CLASS="USERINPUT"
><B
>help</B
></TT
>
Manage aliases kept in FLASH memory
   alias name [value]
Manage machine caches
   cache [ON | OFF]
Display/switch console channel
   channel [-1|&lt;channel number&gt;]
Compute a 32bit checksum [POSIX algorithm] for a range of memory
   cksum -b &lt;location&gt; -l &lt;length&gt;
Display (hex dump) a range of memory
   dump -b &lt;location&gt; [-l &lt;length&gt;] [-s] [-1|2|4]
Manage FLASH images
   fis {cmds}
Manage configuration kept in FLASH memory
   fconfig [-i] [-l] [-n] [-f] [-d] | [-d] nickname [value]
Execute code at a location
   go [-w &lt;timeout&gt;] [entry]
Help about help?
   help [&lt;topic&gt;]
Set/change IP addresses
   ip_address [-l &lt;local_ip_address&gt;] [-h &lt;server_address&gt;]
Load a file
   load [-r] [-v] [-d] [-h &lt;host&gt;] [-m {TFTP | HTTP | {x|y}MODEM -c &lt;channel_number&gt;}]
        [-b &lt;base_address&gt;] &lt;file_name&gt;
Compare two blocks of memory
   mcmp -s &lt;location&gt; -d &lt;location&gt; -l &lt;length&gt; [-1|-2|-4]
Fill a block of memory with a pattern
   mfill -b &lt;location&gt; -l &lt;length&gt; -p &lt;pattern&gt; [-1|-2|-4]
Network connectivity test
   ping [-v] [-n &lt;count&gt;] [-l &lt;length&gt;] [-t &lt;timeout&gt;] [-r &lt;rate&gt;]
        [-i &lt;IP_addr&gt;] -h &lt;IP_addr&gt;
Reset the system
   reset
Display RedBoot version information
   version
Display (hex dump) a range of memory
   x -b &lt;location&gt; [-l &lt;length&gt;] [-s] [-1|2|4]</PRE
></TD
></TR
></TABLE
>
      </P
><P
>Help about a command with sub-commands.
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>RedBoot&#62; <TT
CLASS="USERINPUT"
><B
>help fis</B
></TT
>
Manage FLASH images
   fis {cmds}
Create an image
  fis create -b &lt;mem_base&gt; -l &lt;image_length&gt; [-s &lt;data_length&gt;]
      [-f &lt;flash_addr&gt;] [-e &lt;entry_point&gt;] [-r &lt;ram_addr&gt;] [-n] &lt;name&gt;
Display an image from FLASH Image System [FIS]
  fis delete name
Erase FLASH contents
  fis erase -f &lt;flash_addr&gt; -l &lt;length&gt;
Display free [available] locations within FLASH Image System [FIS]
  fis free
Initialize FLASH Image System [FIS]
  fis init [-f]
Display contents of FLASH Image System [FIS]
  fis list [-c] [-d]
Load image from FLASH Image System [FIS] into RAM
  fis load [-d] [-b &lt;memory_load_address&gt;] [-c] name
Write raw data directly to FLASH
  fis write -f &lt;flash_addr&gt; -b &lt;mem_base&gt; -l &lt;image_length&gt;</PRE
></TD
></TR
></TABLE
>
      </P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="dump-command.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-ref.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="ip-address-command.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>dump</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="common-commands.html"
ACCESSKEY="U"
>Up</A
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ALIGN="right"
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>

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			`>help</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 Reference Manual"`
20			`HREF="ecos-ref.html"><LINK`
21			`REL="UP"`
22			`TITLE="Common Commands"`
23			`HREF="common-commands.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="dump"`
26			`HREF="dump-command.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="ip_address"`
29			`HREF="ip-address-command.html"></HEAD`
30			`><BODY`
31			`CLASS="REFENTRY"`
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 Reference Manual</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="dump-command.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="ip-address-command.html"`
72			`ACCESSKEY="N"`
73			`>Next</A`
74			`></TD`
75			`></TR`
76			`></TABLE`
77			`><HR`
78			`ALIGN="LEFT"`
79			`WIDTH="100%"></DIV`
80			`><H1`
81			`><A`
82			`NAME="HELP-COMMAND">help</H1`
83			`><DIV`
84			`CLASS="REFNAMEDIV"`
85			`><A`
86			`NAME="AEN3316"`
87			`></A`
88			`><H2`
89			`>Name</H2`
90			`>help -- Display help on available commands</DIV`
91			`><DIV`
92			`CLASS="REFSYNOPSISDIV"`
93			`><A`
94			`NAME="AEN3319"><H2`
95			`>Synopsis</H2`
96			`><P`
97			`><B`
98			`CLASS="COMMAND"`
99			`>help</B`
100			`> [<TT`
101			`CLASS="REPLACEABLE"`
102			`><I`
103			`> topic</I`
104			`></TT`
105			`>]</P`
106			`></DIV`
107			`><DIV`
108			`CLASS="REFSECT1"`
109			`><A`
110			`NAME="AEN3324"`
111			`></A`
112			`><H2`
113			`>Arguments</H2`
114			`><DIV`
115			`CLASS="INFORMALTABLE"`
116			`><A`
117			`NAME="AEN3326"><P`
118			`></P`
119			`><TABLE`
120			`BORDER="1"`
121			`CLASS="CALSTABLE"`
122			`><THEAD`
123			`><TR`
124			`><TH`
125			`WIDTH="25%"`
126			`ALIGN="LEFT"`
127			`VALIGN="TOP"`
128			`>Name</TH`
129			`><TH`
130			`WIDTH="25%"`
131			`ALIGN="LEFT"`
132			`VALIGN="TOP"`
133			`>Type</TH`
134			`><TH`
135			`WIDTH="25%"`
136			`ALIGN="LEFT"`
137			`VALIGN="TOP"`
138			`>Description</TH`
139			`><TH`
140			`WIDTH="25%"`
141			`ALIGN="LEFT"`
142			`VALIGN="TOP"`
143			`>Default</TH`
144			`></TR`
145			`></THEAD`
146			`><TBODY`
147			`><TR`
148			`><TD`
149			`WIDTH="25%"`
150			`ALIGN="LEFT"`
151			`VALIGN="TOP"`
152			`><TT`
153			`CLASS="REPLACEABLE"`
154			`><I`
155			`>topic</I`
156			`></TT`
157			`></TD`
158			`><TD`
159			`WIDTH="25%"`
160			`ALIGN="LEFT"`
161			`VALIGN="TOP"`
162			`>String</TD`
163			`><TD`
164			`WIDTH="25%"`
165			`ALIGN="LEFT"`
166			`VALIGN="TOP"`
167			`>Which command to provide help for.</TD`
168			`><TD`
169			`WIDTH="25%"`
170			`ALIGN="LEFT"`
171			`VALIGN="TOP"`
172			`>All commands</TD`
173			`></TR`
174			`></TBODY`
175			`></TABLE`
176			`><P`
177			`></P`
178			`></DIV`
179			`></DIV`
180			`><DIV`
181			`CLASS="REFSECT1"`
182			`><A`
183			`NAME="AEN3345"`
184			`></A`
185			`><H2`
186			`>Description</H2`
187			`><P`
188			`>The <B`
189			`CLASS="COMMAND"`
190			`>help</B`
191			`> command displays information about the available`
192			`RedBoot commands. If a <SPAN`
193			`CLASS="emphasis"`
194			`><I`
195			`CLASS="EMPHASIS"`
196			`>topic</I`
197			`></SPAN`
198			`> is given, then the display`
199			`is restricted to information about that specific command.`
200			`</P`
201			`><P`
202			`>If the command has sub-commands, e.g. <B`
203			`CLASS="COMMAND"`
204			`>fis</B`
205			`>, then the topic`
206			`specific display will print additional information about the available sub-commands.`
207			`special (ICMP) packets to a specific host. These packets should be automatically`
208			`returned by that host. The command will indicate how many of these round-trips`
209			`were successfully completed.`
210			`</P`
211			`></DIV`
212			`><DIV`
213			`CLASS="REFSECT1"`
214			`><A`
215			`NAME="AEN3352"`
216			`></A`
217			`><H2`
218			`>Examples</H2`
219			`><P`
220			`>Show generic help. Note that the contents of this display will depend on the various configuration`
221			`options for RedBoot when it was built.`
222			`<TABLE`
223			`BORDER="5"`
224			`BGCOLOR="#E0E0F0"`
225			`WIDTH="70%"`
226			`><TR`
227			`><TD`
228			`><PRE`
229			`CLASS="SCREEN"`
230			`>RedBoot> <TT`
231			`CLASS="USERINPUT"`
232			`><B`
233			`>help</B`
234			`></TT`
235			`>`
236			`Manage aliases kept in FLASH memory`
237			`alias name [value]`
238			`Manage machine caches`
239			`cache [ON \| OFF]`
240			`Display/switch console channel`
241			`channel [-1\|<channel number>]`
242			`Compute a 32bit checksum [POSIX algorithm] for a range of memory`
243			`cksum -b <location> -l <length>`
244			`Display (hex dump) a range of memory`
245			`dump -b <location> [-l <length>] [-s] [-1\|2\|4]`
246			`Manage FLASH images`
247			`fis {cmds}`
248			`Manage configuration kept in FLASH memory`
249			`fconfig [-i] [-l] [-n] [-f] [-d] \| [-d] nickname [value]`
250			`Execute code at a location`
251			`go [-w <timeout>] [entry]`
252			`Help about help?`
253			`help [<topic>]`
254			`Set/change IP addresses`
255			`ip_address [-l <local_ip_address>] [-h <server_address>]`
256			`Load a file`
257			`load [-r] [-v] [-d] [-h <host>] [-m {TFTP \| HTTP \| {x\|y}MODEM -c <channel_number>}]`
258			`[-b <base_address>] <file_name>`
259			`Compare two blocks of memory`
260			`mcmp -s <location> -d <location> -l <length> [-1\|-2\|-4]`
261			`Fill a block of memory with a pattern`
262			`mfill -b <location> -l <length> -p <pattern> [-1\|-2\|-4]`
263			`Network connectivity test`
264			`ping [-v] [-n <count>] [-l <length>] [-t <timeout>] [-r <rate>]`
265			`[-i <IP_addr>] -h <IP_addr>`
266			`Reset the system`
267			`reset`
268			`Display RedBoot version information`
269			`version`
270			`Display (hex dump) a range of memory`
271			`x -b <location> [-l <length>] [-s] [-1\|2\|4]</PRE`
272			`></TD`
273			`></TR`
274			`></TABLE`
275			`>`
276			`</P`
277			`><P`
278			`>Help about a command with sub-commands.`
279			`<TABLE`
280			`BORDER="5"`
281			`BGCOLOR="#E0E0F0"`
282			`WIDTH="70%"`
283			`><TR`
284			`><TD`
285			`><PRE`
286			`CLASS="SCREEN"`
287			`>RedBoot> <TT`
288			`CLASS="USERINPUT"`
289			`><B`
290			`>help fis</B`
291			`></TT`
292			`>`
293			`Manage FLASH images`
294			`fis {cmds}`
295			`Create an image`
296			`fis create -b <mem_base> -l <image_length> [-s <data_length>]`
297			`[-f <flash_addr>] [-e <entry_point>] [-r <ram_addr>] [-n] <name>`
298			`Display an image from FLASH Image System [FIS]`
299			`fis delete name`
300			`Erase FLASH contents`
301			`fis erase -f <flash_addr> -l <length>`
302			`Display free [available] locations within FLASH Image System [FIS]`
303			`fis free`
304			`Initialize FLASH Image System [FIS]`
305			`fis init [-f]`
306			`Display contents of FLASH Image System [FIS]`
307			`fis list [-c] [-d]`
308			`Load image from FLASH Image System [FIS] into RAM`
309			`fis load [-d] [-b <memory_load_address>] [-c] name`
310			`Write raw data directly to FLASH`
311			`fis write -f <flash_addr> -b <mem_base> -l <image_length></PRE`
312			`></TD`
313			`></TR`
314			`></TABLE`
315			`>`
316			`</P`
317			`></DIV`
318			`><DIV`
319			`CLASS="NAVFOOTER"`
320			`><HR`
321			`ALIGN="LEFT"`
322			`WIDTH="100%"><TABLE`
323			`SUMMARY="Footer navigation table"`
324			`WIDTH="100%"`
325			`BORDER="0"`
326			`CELLPADDING="0"`
327			`CELLSPACING="0"`
328			`><TR`
329			`><TD`
330			`WIDTH="33%"`
331			`ALIGN="left"`
332			`VALIGN="top"`
333			`><A`
334			`HREF="dump-command.html"`
335			`ACCESSKEY="P"`
336			`>Prev</A`
337			`></TD`
338			`><TD`
339			`WIDTH="34%"`
340			`ALIGN="center"`
341			`VALIGN="top"`
342			`><A`
343			`HREF="ecos-ref.html"`
344			`ACCESSKEY="H"`
345			`>Home</A`
346			`></TD`
347			`><TD`
348			`WIDTH="33%"`
349			`ALIGN="right"`
350			`VALIGN="top"`
351			`><A`
352			`HREF="ip-address-command.html"`
353			`ACCESSKEY="N"`
354			`>Next</A`
355			`></TD`
356			`></TR`
357			`><TR`
358			`><TD`
359			`WIDTH="33%"`
360			`ALIGN="left"`
361			`VALIGN="top"`
362			`>dump</TD`
363			`><TD`
364			`WIDTH="34%"`
365			`ALIGN="center"`
366			`VALIGN="top"`
367			`><A`
368			`HREF="common-commands.html"`
369			`ACCESSKEY="U"`
370			`>Up</A`
371			`></TD`
372			`><TD`
373			`WIDTH="33%"`
374			`ALIGN="right"`
375			`VALIGN="top"`
376			`>ip_address</TD`
377			`></TR`
378			`></TABLE`
379			`></DIV`
380			`></BODY`
381			`></HTML`
382			`>`

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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [help-command.html] - Blame information for rev 28