URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [x86pc.html] - Rev 611
Go to most recent revision | Compare with Previous | Blame | View Log
<!-- Copyright (C) 2003 Red Hat, Inc. --> <!-- This material may be distributed only subject to the terms --> <!-- and conditions set forth in the Open Publication License, v1.0 --> <!-- 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 --> <!-- standard (paper) book form is prohibited unless prior --> <!-- permission is obtained from the copyright holder. --> <HTML ><HEAD ><TITLE >IA32/x86 x86-Based PC</TITLE ><meta name="MSSmartTagsPreventParsing" content="TRUE"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="Installation and Testing" HREF="installation-and-testing.html"><LINK REL="PREVIOUS" TITLE="FRV/FRV400 Fujitsu FR-V 400 (MB-93091)" HREF="frv400.html"><LINK REL="NEXT" TITLE="MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Atlas Board" HREF="atlas.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="frv400.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 5. Installation and Testing</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="atlas.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><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" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="frv400.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="atlas.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >FRV/FRV400 Fujitsu FR-V 400 (MB-93091)</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="installation-and-testing.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Atlas Board</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
Go to most recent revision | Compare with Previous | Blame | View Log