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📁 通过JTAG 控制 ARM9 核的一个程序
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<title>Jtag-Arm9</title>
<body>

<h1>Welcome to Jtag-Arm9</h1>

<h2>What is this Jtag-Arm9 thing?</h2>
<p>Jtag-Arm9 is a combination of software and hardware that I have put together
in order to muck around on some boards which have a processor based around
the ARM940 core. It was necessary to start from scratch as:</p>

<ul>
<li>I can't afford the proper developement systems</li>
<li>The cheaper solutions (i.e. wiggler) don't support the '940 (yet)</li>
<li>It looked interesting and worthwhile....</li>
</ul>

<p>As I want my efforts to be available to the maximum number of people 
this project is licensed under the GPL. If there is good reason to suggest
another (i.e. dual) license let me know....</p>

<h2>What do I need to make use of Jtag-Arm9?</h2>
<p>You'll need a board that has a suitable processor with a 20 way jtag
header (you could adjust the design for 14way), a PC with a parallel port
runing either full linux or windows/cygwin.</p>

<p>For full Linux I have been using the cross-arm tools from the Lart
 project
(they provide prebuild binaries). For Windows/Cygwin I got some tools off the 
Cygwin sight.</p>

<p>You'll need to build up a JTAG interface (see <a href='hardware.html'>
hardware</a>) or a Macraigor Wiggler.</p>

<p>The current source can be found <a href='jtag-arm9.tar.gz'>here</a>, if 
enough people are interested then I'll see about setting up a sourceforge
(or other) public archive.</p>

<h2>What can you do with it?</h2>
<p>At present, with my board, I can flash it's LED and get serial output.
What I would like to do is use this board to develop an ARM940 port of 
uClinux and just generally muck around. Hopefully I can prove the Linux
is a suitable OS for this processor.</p>

<h2>Heck, that's real cool. Can I help?</h2>
<p>I hope so, drop me a email on simon@mungewell.tele2.co.uk with your
ideas and comments.....<p>

<p>Simon Wood (c) July 2001</p>

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