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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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>IA32/x86 x86-Based PC</TITLE
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><H1
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><A
NAME="X86PC">IA32/x86 x86-Based PC</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6596">Overview</H2
><P
>RedBoot supports
two serial ports and an Intel i82559 based ethernet card (for example an Intel
EtherExpress Pro 10/100) for communication and downloads. The default serial
port settings are 38400,8,N,1.</P
><P
>The following RedBoot configurations are supported:
 
      <DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN6606"><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Configuration</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Mode</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>Description</TH
><TH
ALIGN="LEFT"
VALIGN="TOP"
>File</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Floppy</TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>[Floppy]</TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>RedBoot running from a boot floppy disk installed
              in the A: drive of the PC.</TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>redboot_ROM.ecm</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6620">Initial Installation</H2
><P
>RedBoot takes the form of a self-booting image that must be written
onto a formatted floppy disk. The process will erase any file system or data
that already exists on that disk, so proceed with caution.</P
><P
>For Red Hat Linux users, this can be done by:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ <TT
CLASS="USERINPUT"
><B
>dd conv=sync if=install/bin/redboot.bin of=/dev/fd0H1440</B
></TT
></PRE
></TD
></TR
></TABLE
><P
>For NT Cygwin users, this can be done by first ensuring that the raw
floppy device is mounted as <TT
CLASS="FILENAME"
>/dev/fd0</TT
>. To check if this
is the case, type the command <B
CLASS="COMMAND"
>mount</B
> at the Cygwin bash
prompt. If the floppy drive is already mounted, it will be listed as something
similar to the following line:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>  \\.\a: /dev/fd0 user binmode</PRE
></TD
></TR
></TABLE
><P
>If this line is not listed, then mount the floppy drive using the command:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ <TT
CLASS="USERINPUT"
><B
>mount -f -b //./a: /dev/fd0</B
></TT
></PRE
></TD
></TR
></TABLE
><P
>To actually install the boot image on the floppy, use the command:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="SCREEN"
>$ <TT
CLASS="USERINPUT"
><B
>dd conv=sync if=install/bin/redboot.bin of=/dev/fd0</B
></TT
></PRE
></TD
></TR
></TABLE
><P
>Insert this floppy in the A: drive of the PC to be used as a target
and ensure that the BIOS is configured to boot from A: by default. On reset,
the PC will boot from the floppy and be ready to be debugged via either serial
line, or via the ethernet interface if it is installed.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>NOTE: </B
>Unreliable floppy media may cause the write to silently fail. This
can be determined if the RedBoot image does not correctly
boot. In such cases, the floppy should be (unconditionally) reformatted
using the <B
CLASS="COMMAND"
>fdformat</B
> command on Linux, or
<B
CLASS="COMMAND"
>format a: /u</B
> on DOS/Windows.</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6642">Flash management</H2
><P
>PC RedBoot does not support any FLASH commands.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6645">Special RedBoot Commands</H2
><P
>None.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6648">Memory Maps</H2
><P
>All selectors are initialized to map the entire 32-bit address space
in the familiar protected mode flat model. Page translation is not used.
RAM up to 640K is mapped to 0x0 to 0xa0000. RAM above 640K is mapped
from address 0x100000 upwards. Space is reserved between 0xa0000 and
0x100000 for option ROMs and the BIOS.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN6651">Rebuilding RedBoot</H2
><P
>These shell variables provide the platform-specific information
needed for building RedBoot according to the procedure described in
<A
HREF="rebuilding-redboot.html"
>Chapter 3</A
>:
<TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>export TARGET=pc
export ARCH_DIR=i386
export PLATFORM_DIR=pc</PRE
></TD
></TR
></TABLE
></P
><P
>The names of configuration files are listed above with the
description of the associated modes.</P
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
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>Prev</A
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>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="atlas.html"
ACCESSKEY="N"
>Next</A
></TD
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><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>FRV/FRV400 Fujitsu FR-V 400 (MB-93091)</TD
><TD
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ALIGN="center"
VALIGN="top"
><A
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>Up</A
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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			`>IA32/x86 x86-Based PC</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="Installation and Testing"`
23			`HREF="installation-and-testing.html"><LINK`
24			`REL="PREVIOUS"`
25			`TITLE="FRV/FRV400 Fujitsu FR-V 400 (MB-93091)"`
26			`HREF="frv400.html"><LINK`
27			`REL="NEXT"`
28			`TITLE="MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Atlas Board"`
29			`HREF="atlas.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 Reference Manual</TH`
50			`></TR`
51			`><TR`
52			`><TD`
53			`WIDTH="10%"`
54			`ALIGN="left"`
55			`VALIGN="bottom"`
56			`><A`
57			`HREF="frv400.html"`
58			`ACCESSKEY="P"`
59			`>Prev</A`
60			`></TD`
61			`><TD`
62			`WIDTH="80%"`
63			`ALIGN="center"`
64			`VALIGN="bottom"`
65			`>Chapter 5. Installation and Testing</TD`
66			`><TD`
67			`WIDTH="10%"`
68			`ALIGN="right"`
69			`VALIGN="bottom"`
70			`><A`
71			`HREF="atlas.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="X86PC">IA32/x86 x86-Based PC</H1`
86			`><DIV`
87			`CLASS="SECT2"`
88			`><H2`
89			`CLASS="SECT2"`
90			`><A`
91			`NAME="AEN6596">Overview</H2`
92			`><P`
93			`>RedBoot supports`
94			`two serial ports and an Intel i82559 based ethernet card (for example an Intel`
95			`EtherExpress Pro 10/100) for communication and downloads. The default serial`
96			`port settings are 38400,8,N,1.</P`
97			`><P`
98			`>The following RedBoot configurations are supported:`
99
100			`<DIV`
101			`CLASS="INFORMALTABLE"`
102			`><A`
103			`NAME="AEN6606"><P`
104			`></P`
105			`><TABLE`
106			`BORDER="1"`
107			`CLASS="CALSTABLE"`
108			`><THEAD`
109			`><TR`
110			`><TH`
111			`ALIGN="LEFT"`
112			`VALIGN="TOP"`
113			`>Configuration</TH`
114			`><TH`
115			`ALIGN="LEFT"`
116			`VALIGN="TOP"`
117			`>Mode</TH`
118			`><TH`
119			`ALIGN="LEFT"`
120			`VALIGN="TOP"`
121			`>Description</TH`
122			`><TH`
123			`ALIGN="LEFT"`
124			`VALIGN="TOP"`
125			`>File</TH`
126			`></TR`
127			`></THEAD`
128			`><TBODY`
129			`><TR`
130			`><TD`
131			`ALIGN="LEFT"`
132			`VALIGN="TOP"`
133			`>Floppy</TD`
134			`><TD`
135			`ALIGN="LEFT"`
136			`VALIGN="TOP"`
137			`>[Floppy]</TD`
138			`><TD`
139			`ALIGN="LEFT"`
140			`VALIGN="TOP"`
141			`>RedBoot running from a boot floppy disk installed`
142			`in the A: drive of the PC.</TD`
143			`><TD`
144			`ALIGN="LEFT"`
145			`VALIGN="TOP"`
146			`>redboot_ROM.ecm</TD`
147			`></TR`
148			`></TBODY`
149			`></TABLE`
150			`><P`
151			`></P`
152			`></DIV`
153			`></P`
154			`></DIV`
155			`><DIV`
156			`CLASS="SECT2"`
157			`><H2`
158			`CLASS="SECT2"`
159			`><A`
160			`NAME="AEN6620">Initial Installation</H2`
161			`><P`
162			`>RedBoot takes the form of a self-booting image that must be written`
163			`onto a formatted floppy disk. The process will erase any file system or data`
164			`that already exists on that disk, so proceed with caution.</P`
165			`><P`
166			`>For Red Hat Linux users, this can be done by:</P`
167			`><TABLE`
168			`BORDER="5"`
169			`BGCOLOR="#E0E0F0"`
170			`WIDTH="70%"`
171			`><TR`
172			`><TD`
173			`><PRE`
174			`CLASS="SCREEN"`
175			`>$ <TT`
176			`CLASS="USERINPUT"`
177			`><B`
178			`>dd conv=sync if=install/bin/redboot.bin of=/dev/fd0H1440</B`
179			`></TT`
180			`></PRE`
181			`></TD`
182			`></TR`
183			`></TABLE`
184			`><P`
185			`>For NT Cygwin users, this can be done by first ensuring that the raw`
186			`floppy device is mounted as <TT`
187			`CLASS="FILENAME"`
188			`>/dev/fd0</TT`
189			`>. To check if this`
190			`is the case, type the command <B`
191			`CLASS="COMMAND"`
192			`>mount</B`
193			`> at the Cygwin bash`
194			`prompt. If the floppy drive is already mounted, it will be listed as something`
195			`similar to the following line:</P`
196			`><TABLE`
197			`BORDER="5"`
198			`BGCOLOR="#E0E0F0"`
199			`WIDTH="70%"`
200			`><TR`
201			`><TD`
202			`><PRE`
203			`CLASS="SCREEN"`
204			`> \\.\a: /dev/fd0 user binmode</PRE`
205			`></TD`
206			`></TR`
207			`></TABLE`
208			`><P`
209			`>If this line is not listed, then mount the floppy drive using the command:</P`
210			`><TABLE`
211			`BORDER="5"`
212			`BGCOLOR="#E0E0F0"`
213			`WIDTH="70%"`
214			`><TR`
215			`><TD`
216			`><PRE`
217			`CLASS="SCREEN"`
218			`>$ <TT`
219			`CLASS="USERINPUT"`
220			`><B`
221			`>mount -f -b //./a: /dev/fd0</B`
222			`></TT`
223			`></PRE`
224			`></TD`
225			`></TR`
226			`></TABLE`
227			`><P`
228			`>To actually install the boot image on the floppy, use the command:</P`
229			`><TABLE`
230			`BORDER="5"`
231			`BGCOLOR="#E0E0F0"`
232			`WIDTH="70%"`
233			`><TR`
234			`><TD`
235			`><PRE`
236			`CLASS="SCREEN"`
237			`>$ <TT`
238			`CLASS="USERINPUT"`
239			`><B`
240			`>dd conv=sync if=install/bin/redboot.bin of=/dev/fd0</B`
241			`></TT`
242			`></PRE`
243			`></TD`
244			`></TR`
245			`></TABLE`
246			`><P`
247			`>Insert this floppy in the A: drive of the PC to be used as a target`
248			`and ensure that the BIOS is configured to boot from A: by default. On reset,`
249			`the PC will boot from the floppy and be ready to be debugged via either serial`
250			`line, or via the ethernet interface if it is installed.</P`
251			`><DIV`
252			`CLASS="NOTE"`
253			`><BLOCKQUOTE`
254			`CLASS="NOTE"`
255			`><P`
256			`><B`
257			`>NOTE: </B`
258			`>Unreliable floppy media may cause the write to silently fail. This`
259			`can be determined if the RedBoot image does not correctly`
260			`boot. In such cases, the floppy should be (unconditionally) reformatted`
261			`using the <B`
262			`CLASS="COMMAND"`
263			`>fdformat</B`
264			`> command on Linux, or`
265			`<B`
266			`CLASS="COMMAND"`
267			`>format a: /u</B`
268			`> on DOS/Windows.</P`
269			`></BLOCKQUOTE`
270			`></DIV`
271			`></DIV`
272			`><DIV`
273			`CLASS="SECT2"`
274			`><H2`
275			`CLASS="SECT2"`
276			`><A`
277			`NAME="AEN6642">Flash management</H2`
278			`><P`
279			`>PC RedBoot does not support any FLASH commands.</P`
280			`></DIV`
281			`><DIV`
282			`CLASS="SECT2"`
283			`><H2`
284			`CLASS="SECT2"`
285			`><A`
286			`NAME="AEN6645">Special RedBoot Commands</H2`
287			`><P`
288			`>None.</P`
289			`></DIV`
290			`><DIV`
291			`CLASS="SECT2"`
292			`><H2`
293			`CLASS="SECT2"`
294			`><A`
295			`NAME="AEN6648">Memory Maps</H2`
296			`><P`
297			`>All selectors are initialized to map the entire 32-bit address space`
298			`in the familiar protected mode flat model. Page translation is not used.`
299			`RAM up to 640K is mapped to 0x0 to 0xa0000. RAM above 640K is mapped`
300			`from address 0x100000 upwards. Space is reserved between 0xa0000 and`
301			`0x100000 for option ROMs and the BIOS.</P`
302			`></DIV`
303			`><DIV`
304			`CLASS="SECT2"`
305			`><H2`
306			`CLASS="SECT2"`
307			`><A`
308			`NAME="AEN6651">Rebuilding RedBoot</H2`
309			`><P`
310			`>These shell variables provide the platform-specific information`
311			`needed for building RedBoot according to the procedure described in`
312			`<A`
313			`HREF="rebuilding-redboot.html"`
314			`>Chapter 3</A`
315			`>:`
316			`<TABLE`
317			`BORDER="5"`
318			`BGCOLOR="#E0E0F0"`
319			`WIDTH="70%"`
320			`><TR`
321			`><TD`
322			`><PRE`
323			`CLASS="PROGRAMLISTING"`
324			`>export TARGET=pc`
325			`export ARCH_DIR=i386`
326			`export PLATFORM_DIR=pc</PRE`
327			`></TD`
328			`></TR`
329			`></TABLE`
330			`></P`
331			`><P`
332			`>The names of configuration files are listed above with the`
333			`description of the associated modes.</P`
334			`></DIV`
335			`></DIV`
336			`><DIV`
337			`CLASS="NAVFOOTER"`
338			`><HR`
339			`ALIGN="LEFT"`
340			`WIDTH="100%"><TABLE`
341			`SUMMARY="Footer navigation table"`
342			`WIDTH="100%"`
343			`BORDER="0"`
344			`CELLPADDING="0"`
345			`CELLSPACING="0"`
346			`><TR`
347			`><TD`
348			`WIDTH="33%"`
349			`ALIGN="left"`
350			`VALIGN="top"`
351			`><A`
352			`HREF="frv400.html"`
353			`ACCESSKEY="P"`
354			`>Prev</A`
355			`></TD`
356			`><TD`
357			`WIDTH="34%"`
358			`ALIGN="center"`
359			`VALIGN="top"`
360			`><A`
361			`HREF="ecos-ref.html"`
362			`ACCESSKEY="H"`
363			`>Home</A`
364			`></TD`
365			`><TD`
366			`WIDTH="33%"`
367			`ALIGN="right"`
368			`VALIGN="top"`
369			`><A`
370			`HREF="atlas.html"`
371			`ACCESSKEY="N"`
372			`>Next</A`
373			`></TD`
374			`></TR`
375			`><TR`
376			`><TD`
377			`WIDTH="33%"`
378			`ALIGN="left"`
379			`VALIGN="top"`
380			`>FRV/FRV400 Fujitsu FR-V 400 (MB-93091)</TD`
381			`><TD`
382			`WIDTH="34%"`
383			`ALIGN="center"`
384			`VALIGN="top"`
385			`><A`
386			`HREF="installation-and-testing.html"`
387			`ACCESSKEY="U"`
388			`>Up</A`
389			`></TD`
390			`><TD`
391			`WIDTH="33%"`
392			`ALIGN="right"`
393			`VALIGN="top"`
394			`>MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Atlas Board</TD`
395			`></TR`
396			`></TABLE`
397			`></DIV`
398			`></BODY`
399			`></HTML`
400			`>`

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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [x86pc.html] - Blame information for rev 174