82 lines
3.8 KiB
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82 lines
3.8 KiB
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<title>MicroBlaze - Debugging with GDB</title>
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<link rel="up" href="Embedded-Processors.html#Embedded-Processors" title="Embedded Processors">
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</head>
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<body>
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<div class="node">
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<a name="MicroBlaze"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="MIPS-Embedded.html#MIPS-Embedded">MIPS Embedded</a>,
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Previous: <a rel="previous" accesskey="p" href="M68K.html#M68K">M68K</a>,
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Up: <a rel="up" accesskey="u" href="Embedded-Processors.html#Embedded-Processors">Embedded Processors</a>
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<hr>
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</div>
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<h4 class="subsection">21.3.4 MicroBlaze</h4>
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<p><a name="index-Xilinx-MicroBlaze-1581"></a><a name="index-XMD_002c-Xilinx-Microprocessor-Debugger-1582"></a>
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The MicroBlaze is a soft-core processor supported on various Xilinx
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FPGAs, such as Spartan or Virtex series. Boards with these processors
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usually have JTAG ports which connect to a host system running the Xilinx
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Embedded Development Kit (EDK) or Software Development Kit (SDK).
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This host system is used to download the configuration bitstream to
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the target FPGA. The Xilinx Microprocessor Debugger (XMD) program
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communicates with the target board using the JTAG interface and
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presents a <code>gdbserver</code> interface to the board. By default
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<code>xmd</code> uses port <code>1234</code>. (While it is possible to change
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this default port, it requires the use of undocumented <code>xmd</code>
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commands. Contact Xilinx support if you need to do this.)
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<p>Use these GDB commands to connect to the MicroBlaze target processor.
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<dl>
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<dt><code>target remote :1234</code><dd>Use this command to connect to the target if you are running <span class="sc">gdb</span>
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on the same system as <code>xmd</code>.
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<br><dt><code>target remote </code><var>xmd-host</var><code>:1234</code><dd>Use this command to connect to the target if it is connected to <code>xmd</code>
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running on a different system named <var>xmd-host</var>.
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<br><dt><code>load</code><dd>Use this command to download a program to the MicroBlaze target.
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<br><dt><code>set debug microblaze </code><var>n</var><dd>Enable MicroBlaze-specific debugging messages if non-zero.
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<br><dt><code>show debug microblaze </code><var>n</var><dd>Show MicroBlaze-specific debugging level.
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</dl>
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</body></html>
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