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<HTML
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><TITLE
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>ARM AEB-1 Hardware Setup</TITLE
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TITLE="eCos User Guide"
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TITLE="Target Setup"
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TITLE="ARM PID Hardware Setup"
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HREF="setup-arm-pid.html"><LINK
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REL="NEXT"
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TITLE="ARM Cogent CMA230 Hardware Setup"
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HREF="setup-arm-cma230.html"></HEAD
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><TR
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><TH
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>eCos User Guide</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="setup-arm-pid.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Appendix A. Target Setup</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="setup-arm-cma230.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="SETUP-ARM-AEB1">ARM AEB-1 Hardware Setup</H1
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3686">Overview</H2
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><P
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>The ARM AEB-1 comes with tools in ROM. These include a simple
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FLASH management tool and the Angel&reg; monitor. eCos for
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the ARM AEB-1 comes with GDB stubs suitable for programming into
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the onboard FLASH. GDB is the preferred debug environment for GDB,
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and while Angel provides a subset of the features in the eCos GDB
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stub, Angel is unsupported.</P
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><P
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>Both eCos and the stubs support both Revision B and Revision
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C of the AEB-1 board. Stub ROM images for both types of board can
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be found in the loaders/arm-aeb directory under the root
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of your eCos installation. You can select which board you are using
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by selecting either the aeb or aebC platform by selecting the appropriate
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platform HAL in the <SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>eCos Configuration Tool</I
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></SPAN
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>.</P
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><P
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>The GDB stub can be downloaded to the board for programming
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in the FLASH using the board's on-board ROM monitor:</P
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>talk to the AEB-1 board with a terminal emulator (or
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a real terminal!)</P
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></LI
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><LI
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><P
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>use the board's rom menu to download a UU-encoded
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version of the GDB stubs which will act as a ROM monitor</P
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></LI
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><LI
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><P
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>tell the board to use this new monitor, and then hook
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GDB up to it for real debugging</P
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></LI
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></OL
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3699">Talking to the Board</H2
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><P
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>Connect a terminal or computer's serial port to the
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ARM AEB-1. On a PC with a 9-pin serial port, you can use the cable
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shipped by ARM with no modification. </P
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><P
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>Set the terminal or terminal emulator to 9600N1 (9600 baud,
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no parity, 1 stop bit). </P
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><P
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>Reset the board by pressing the little reset button on the
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top. You will see the following text: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       ARM Evaluation Board Boot Monitor 0.01 (19 APR 1998)
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        Press ENTER within 2 seconds to stop autoboot</PRE
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></TD
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></TR
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></TABLE
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><P
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>Press ENTER quickly, and you will get the boot prompt: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       Boot:</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3707">Downloading the Stubs via the Rom Menu</H2
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><P
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>Using the AEB-1 rom menu to download the GDB stubs from the
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provided ".UU" file.</P
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>This is an annotated 'terminal' session
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with the AEB-1 monitor:</P
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></BLOCKQUOTE
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></DIV
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>+Boot: help
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Module is BootStrap       1.00 (14 Aug 1998)</PRE
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>Help is available on:</PRE
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>Help          Modules       ROMModules    UnPlug        PlugIn
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Kill          SetEnv        UnSetEnv      PrintEnv      DownLoad
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Go            GoS           Boot          PC            FlashWrite
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FlashLoad     FlashErase</PRE
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>Boot: download c000
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Ready to download. Use 'transmit' option on terminal
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emulator to download file.</PRE
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>... at this point, download the ASCII file "loaders/arm-aeb/
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    gdb_module.img.UU". The details of this operation differ
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    depending on which terminal emulator is used. It may be
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    necessary to enter "^D" (control+D) when the download completes
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   to get the monitor to return to command mode. </PRE
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>Loaded file gdb_module.img.bin at address
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0000c000, size = 19392 </PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3718">Activating the GDB Stubs</H2
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><P
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>Commit the GDB stubs module to FLASH: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       Boot: flashwrite 4018000 C000 8000
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    </PRE
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></TD
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></TR
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></TABLE
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><P
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>Verify that the eCos/"GDB stubs" module is now added
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in the list of modules in the board: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       Boot: rommodules
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    </PRE
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></TD
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></TR
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></TABLE
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><P
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>You should see output similar to the following: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       Header   Base     Limit
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        04000004 04000000 040034a8 BootStrap       1.00 (14 Aug 1998)
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        04003a74 04003800 04003bc0 Production Test 1.00 (13 Aug 1998)
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        0400e4f4 04004000 0400e60f Angel           1.02 (12 MAY 1998)
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        0401c810 04018000 0401cbc0 eCos              1.3  (27 Jan 2000)
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GDB stubs
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    </PRE
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></TD
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></TR
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></TABLE
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><P
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>Now make the eCos/"GDB stubs" module be the default
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monitor: </P
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>       Boot: plugin eCos
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    </PRE
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></TD
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></TR
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></TABLE
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>Since the GDB stubs are always linked at the same address
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(0x4018000), the operation of writing to the FLASH and selecting
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the stubs as default monitor is an idempotent operation. You can
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download a new set of stubs following the same procedure - you do
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not have to unregister or delete anything.</P
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></BLOCKQUOTE
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3730">Building the GDB Stub FLASH ROM Images</H2
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><P
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>Pre-built GDB stubs images are provided in the directory loaders/arm-aeb
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relative to the root of your eCos installation, but here are instructions
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on how to rebuild them if you should ever need to.</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN3733">Building the GDB Stubs with the eCos Configuration Tool</H2
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>Start with a new document - selecting the
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>File</I
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></SPAN
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>
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-&#62;
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>New</I
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></SPAN
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>
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 menu item if necessary to do this.</P
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></LI
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><LI
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><P
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>Choose the
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build</I
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></SPAN
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>
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-&#62;
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Templates</I
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></SPAN
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>
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 menu item, and then select the ARM AEB-1 hardware.</P
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></LI
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><LI
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><P
435 
>While still displaying the
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build-&#62;Templates</I
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></SPAN
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>
443 
 dialog box, select the "stubs" package template to build a GDB
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stub image. Click
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>OK</I
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></SPAN
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>.</P
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></LI
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><LI
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><P
455 
>If applicable, set the "AEB board revision" option to
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"C" from "B" depending on the board revision being used.</P
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></LI
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><LI
459 
><P
460 
>Build eCos using
461 
<SPAN
462 
CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Build</I
466 
></SPAN
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>
468 
-&#62;
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<SPAN
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CLASS="emphasis"
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><I
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CLASS="EMPHASIS"
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>Library.</I
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></SPAN
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></P
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></LI
477 
><LI
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><P
479 
>When the build completes, the image files can be found
480 
in the bin/ subdirectory of the install tree. The GDB stub
481 
ROM images have the prefix "gdb_module".</P
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></LI
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></OL
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
490 
NAME="AEN3756">Building the GDB Stub ROMs with ecosconfig</H2
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><P
492 
></P
493 
><OL
494 
TYPE="1"
495 
><LI
496 
><P
497 
>Make an empty directory to contain the build tree,
498 
and cd into it.</P
499 
></LI
500 
><LI
501 
><P
502 
>To build a GDB stub ROM image, enter the command:</P
503 
><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig new aeb stubs</PRE
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></TD
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></TR
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></TABLE
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></LI
516 
><LI
517 
><P
518 
>If applicable, edit ecos.ecc and set the AEB board revision. (CYGHWR_HAL_ARM_AEB_REVISION)
519 
from the default "B" to "C" by uncommenting the user_value
520 
property and setting it to "C".</P
521 
></LI
522 
><LI
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><P
524 
>Enter the commands
525 
 
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<TABLE
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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><TR
531 
><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>$ ecosconfig tree
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$ make</PRE
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></TD
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></TR
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></TABLE
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></P
540 
></LI
541 
><LI
542 
><P
543 
>When the build completes, the image files can be found
544 
in the bin/ subdirectory of the install tree. The GDB stub
545 
ROM images have the prefix "gdb_module".</P
546 
></LI
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></OL
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></DIV
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></DIV
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><A
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HREF="setup-arm-pid.html"
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ACCESSKEY="P"
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>Prev</A
569 
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ALIGN="center"
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><A
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HREF="ecos-user-guide.html"
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>Home</A
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ALIGN="right"
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><A
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HREF="setup-arm-cma230.html"
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>Next</A
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></TD
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><TR
590 
><TD
591 
WIDTH="33%"
592 
ALIGN="left"
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VALIGN="top"
594 
>ARM PID Hardware Setup</TD
595 
><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="appendix-target-setup.html"
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ACCESSKEY="U"
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>Up</A
603 
></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
608 
>ARM Cogent CMA230 Hardware Setup</TD
609 
></TR
610 
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611 
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